diff options
| author |   Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
|---|---|---|
| committer | Angelos Mouzakitis <a.mouzakitis@virtualopensystems.com> | 2023-10-10 14:33:42 +0000 |
| commit | af1a266670d040d2f4083ff309d732d648afba2a (patch) | |
| tree | 2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/mips/mach-ath79 | |
| parent | e02cda008591317b1625707ff8e115a4841aa889 (diff) | |
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/mips/mach-ath79')
25 files changed, 5216 insertions, 0 deletions
diff --git a/roms/u-boot/arch/mips/mach-ath79/Kconfig b/roms/u-boot/arch/mips/mach-ath79/Kconfig new file mode 100644 index 000000000..bdb23b576 --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/Kconfig @@ -0,0 +1,71 @@ +menu "QCA/Atheros 7xxx/9xxx platforms" + depends on ARCH_ATH79 + +config SYS_SOC + default "ath79" + +config SOC_AR933X + bool + select MIPS_TUNE_24KC + select ROM_EXCEPTION_VECTORS + select SUPPORTS_BIG_ENDIAN + select SUPPORTS_CPU_MIPS32_R1 + select SUPPORTS_CPU_MIPS32_R2 + help + This supports QCA/Atheros ar933x family SOCs. + +config SOC_AR934X + bool + select MIPS_TUNE_74KC + select SUPPORTS_BIG_ENDIAN + select SUPPORTS_CPU_MIPS32_R1 + select SUPPORTS_CPU_MIPS32_R2 + help + This supports QCA/Atheros ar934x family SOCs. + +config SOC_QCA953X + bool + select MIPS_TUNE_24KC + select ROM_EXCEPTION_VECTORS + select SUPPORTS_BIG_ENDIAN + select SUPPORTS_CPU_MIPS32_R1 + select SUPPORTS_CPU_MIPS32_R2 + help + This supports QCA/Atheros qca953x family SOCs. + +config SOC_QCA956X + bool + select MIPS_TUNE_74KC + select SUPPORTS_BIG_ENDIAN + select SUPPORTS_CPU_MIPS32_R1 + select SUPPORTS_CPU_MIPS32_R2 + help + This supports QCA/Atheros qca956x family SOCs. + +choice + prompt "Board select" + +config TARGET_AP121 + bool "AP121 Reference Board" + select SOC_AR933X + +config TARGET_AP143 + bool "AP143 Reference Board" + select SOC_QCA953X + +config TARGET_AP152 + bool "AP152 Reference Board" + select SOC_QCA956X + +config BOARD_TPLINK_WDR4300 + bool "TP-Link WDR4300 Board" + select SOC_AR934X + +endchoice + +source "board/qca/ap121/Kconfig" +source "board/qca/ap143/Kconfig" +source "board/qca/ap152/Kconfig" +source "board/tplink/wdr4300/Kconfig" + +endmenu diff --git a/roms/u-boot/arch/mips/mach-ath79/Makefile b/roms/u-boot/arch/mips/mach-ath79/Makefile new file mode 100644 index 000000000..fbd40c02b --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/Makefile @@ -0,0 +1,10 @@ +# SPDX-License-Identifier: GPL-2.0+ + +obj-y += reset.o +obj-y += cpu.o +obj-y += dram.o + +obj-$(CONFIG_SOC_AR933X) += ar933x/ +obj-$(CONFIG_SOC_AR934X) += ar934x/ +obj-$(CONFIG_SOC_QCA953X) += qca953x/ +obj-$(CONFIG_SOC_QCA956X) += qca956x/ diff --git a/roms/u-boot/arch/mips/mach-ath79/ar933x/Makefile b/roms/u-boot/arch/mips/mach-ath79/ar933x/Makefile new file mode 100644 index 000000000..5ba849c73 --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/ar933x/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0+ + +obj-y += clk.o +obj-y += ddr.o +obj-y += lowlevel_init.o diff --git a/roms/u-boot/arch/mips/mach-ath79/ar933x/clk.c b/roms/u-boot/arch/mips/mach-ath79/ar933x/clk.c new file mode 100644 index 000000000..68d48939d --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/ar933x/clk.c @@ -0,0 +1,90 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2015-2016 Wills Wang <wills.wang@live.com> + */ + +#include <common.h> +#include <clock_legacy.h> +#include <asm/global_data.h> +#include <asm/io.h> +#include <asm/addrspace.h> +#include <asm/types.h> +#include <mach/ar71xx_regs.h> +#include <mach/ath79.h> + +DECLARE_GLOBAL_DATA_PTR; + +static u32 ar933x_get_xtal(void) +{ + u32 val; + + val = ath79_get_bootstrap(); + if (val & AR933X_BOOTSTRAP_REF_CLK_40) + return 40000000; + else + return 25000000; +} + +int get_serial_clock(void) +{ + return ar933x_get_xtal(); +} + +int get_clocks(void) +{ + void __iomem *regs; + u32 val, xtal, pll, div; + + regs = map_physmem(AR71XX_PLL_BASE, AR71XX_PLL_SIZE, + MAP_NOCACHE); + xtal = ar933x_get_xtal(); + val = readl(regs + AR933X_PLL_CPU_CONFIG_REG); + + /* VCOOUT = XTAL * DIV_INT */ + div = (val >> AR933X_PLL_CPU_CONFIG_REFDIV_SHIFT) + & AR933X_PLL_CPU_CONFIG_REFDIV_MASK; + pll = xtal / div; + + /* PLLOUT = VCOOUT * (1/2^OUTDIV) */ + div = (val >> AR933X_PLL_CPU_CONFIG_NINT_SHIFT) + & AR933X_PLL_CPU_CONFIG_NINT_MASK; + pll *= div; + div = (val >> AR933X_PLL_CPU_CONFIG_OUTDIV_SHIFT) + & AR933X_PLL_CPU_CONFIG_OUTDIV_MASK; + if (!div) + div = 1; + pll >>= div; + + val = readl(regs + AR933X_PLL_CLK_CTRL_REG); + + /* CPU_CLK = PLLOUT / CPU_POST_DIV */ + div = ((val >> AR933X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT) + & AR933X_PLL_CLK_CTRL_CPU_POST_DIV_MASK) + 1; + gd->cpu_clk = pll / div; + + /* DDR_CLK = PLLOUT / DDR_POST_DIV */ + div = ((val >> AR933X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT) + & AR933X_PLL_CLK_CTRL_DDR_POST_DIV_MASK) + 1; + gd->mem_clk = pll / div; + + /* AHB_CLK = PLLOUT / AHB_POST_DIV */ + div = ((val >> AR933X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT) + & AR933X_PLL_CLK_CTRL_AHB_POST_DIV_MASK) + 1; + gd->bus_clk = pll / div; + + return 0; +} + +ulong get_bus_freq(ulong dummy) +{ + if (!gd->bus_clk) + get_clocks(); + return gd->bus_clk; +} + +ulong get_ddr_freq(ulong dummy) +{ + if (!gd->mem_clk) + get_clocks(); + return gd->mem_clk; +} diff --git a/roms/u-boot/arch/mips/mach-ath79/ar933x/ddr.c b/roms/u-boot/arch/mips/mach-ath79/ar933x/ddr.c new file mode 100644 index 000000000..09166ecf8 --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/ar933x/ddr.c @@ -0,0 +1,333 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2015-2016 Wills Wang <wills.wang@live.com> + * Based on Atheros LSDK/QSDK + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/addrspace.h> +#include <asm/types.h> +#include <linux/bitops.h> +#include <mach/ar71xx_regs.h> +#include <mach/ath79.h> + +#define DDR_CTRL_UPD_EMR3S BIT(5) +#define DDR_CTRL_UPD_EMR2S BIT(4) +#define DDR_CTRL_PRECHARGE BIT(3) +#define DDR_CTRL_AUTO_REFRESH BIT(2) +#define DDR_CTRL_UPD_EMRS BIT(1) +#define DDR_CTRL_UPD_MRS BIT(0) + +#define DDR_REFRESH_EN BIT(14) +#define DDR_REFRESH_M 0x3ff +#define DDR_REFRESH(x) ((x) & 0x3ff) +#define DDR_REFRESH_VAL_25M (DDR_REFRESH_EN | DDR_REFRESH(390)) +#define DDR_REFRESH_VAL_40M (DDR_REFRESH_EN | DDR_REFRESH(624)) + +#define DDR_TRAS_S 0 +#define DDR_TRAS_M 0x1f +#define DDR_TRAS(x) ((x) << DDR_TRAS_S) +#define DDR_TRCD_M 0xf +#define DDR_TRCD_S 5 +#define DDR_TRCD(x) ((x) << DDR_TRCD_S) +#define DDR_TRP_M 0xf +#define DDR_TRP_S 9 +#define DDR_TRP(x) ((x) << DDR_TRP_S) +#define DDR_TRRD_M 0xf +#define DDR_TRRD_S 13 +#define DDR_TRRD(x) ((x) << DDR_TRRD_S) +#define DDR_TRFC_M 0x7f +#define DDR_TRFC_S 17 +#define DDR_TRFC(x) ((x) << DDR_TRFC_S) +#define DDR_TMRD_M 0xf +#define DDR_TMRD_S 23 +#define DDR_TMRD(x) ((x) << DDR_TMRD_S) +#define DDR_CAS_L_M 0x17 +#define DDR_CAS_L_S 27 +#define DDR_CAS_L(x) (((x) & DDR_CAS_L_M) << DDR_CAS_L_S) +#define DDR_OPEN BIT(30) +#define DDR_CONF_REG_VAL (DDR_TRAS(16) | DDR_TRCD(6) | \ + DDR_TRP(6) | DDR_TRRD(4) | \ + DDR_TRFC(30) | DDR_TMRD(15) | \ + DDR_CAS_L(7) | DDR_OPEN) + +#define DDR_BURST_LEN_S 0 +#define DDR_BURST_LEN_M 0xf +#define DDR_BURST_LEN(x) ((x) << DDR_BURST_LEN_S) +#define DDR_BURST_TYPE BIT(4) +#define DDR_CNTL_OE_EN BIT(5) +#define DDR_PHASE_SEL BIT(6) +#define DDR_CKE BIT(7) +#define DDR_TWR_S 8 +#define DDR_TWR_M 0xf +#define DDR_TWR(x) ((x) << DDR_TWR_S) +#define DDR_TRTW_S 12 +#define DDR_TRTW_M 0x1f +#define DDR_TRTW(x) ((x) << DDR_TRTW_S) +#define DDR_TRTP_S 17 +#define DDR_TRTP_M 0xf +#define DDR_TRTP(x) ((x) << DDR_TRTP_S) +#define DDR_TWTR_S 21 +#define DDR_TWTR_M 0x1f +#define DDR_TWTR(x) ((x) << DDR_TWTR_S) +#define DDR_G_OPEN_L_S 26 +#define DDR_G_OPEN_L_M 0xf +#define DDR_G_OPEN_L(x) ((x) << DDR_G_OPEN_L_S) +#define DDR_HALF_WIDTH_LOW BIT(31) +#define DDR_CONF2_REG_VAL (DDR_BURST_LEN(8) | DDR_CNTL_OE_EN | \ + DDR_CKE | DDR_TWR(6) | DDR_TRTW(14) | \ + DDR_TRTP(8) | DDR_TWTR(14) | \ + DDR_G_OPEN_L(7) | DDR_HALF_WIDTH_LOW) + +#define DDR2_CONF_TWL_S 10 +#define DDR2_CONF_TWL_M 0xf +#define DDR2_CONF_TWL(x) (((x) & DDR2_CONF_TWL_M) << DDR2_CONF_TWL_S) +#define DDR2_CONF_ODT BIT(9) +#define DDR2_CONF_TFAW_S 2 +#define DDR2_CONF_TFAW_M 0x3f +#define DDR2_CONF_TFAW(x) (((x) & DDR2_CONF_TFAW_M) << DDR2_CONF_TFAW_S) +#define DDR2_CONF_EN BIT(0) +#define DDR2_CONF_VAL (DDR2_CONF_TWL(2) | DDR2_CONF_ODT | \ + DDR2_CONF_TFAW(22) | DDR2_CONF_EN) + +#define DDR1_EXT_MODE_VAL 0x02 +#define DDR2_EXT_MODE_VAL 0x402 +#define DDR2_EXT_MODE_OCD_VAL 0x382 +#define DDR1_MODE_DLL_VAL 0x133 +#define DDR2_MODE_DLL_VAL 0x100 +#define DDR1_MODE_VAL 0x33 +#define DDR2_MODE_VAL 0xa33 +#define DDR_TAP_VAL0 0x08 +#define DDR_TAP_VAL1 0x09 + +void ddr_init(void) +{ + void __iomem *regs; + u32 val; + + regs = map_physmem(AR71XX_DDR_CTRL_BASE, AR71XX_DDR_CTRL_SIZE, + MAP_NOCACHE); + + writel(DDR_CONF_REG_VAL, regs + AR71XX_DDR_REG_CONFIG); + writel(DDR_CONF2_REG_VAL, regs + AR71XX_DDR_REG_CONFIG2); + + val = ath79_get_bootstrap(); + if (val & AR933X_BOOTSTRAP_DDR2) { + /* AHB maximum timeout */ + writel(0xfffff, regs + AR933X_DDR_REG_TIMEOUT_MAX); + + /* Enable DDR2 */ + writel(DDR2_CONF_VAL, regs + AR933X_DDR_REG_DDR2_CONFIG); + + /* Precharge All */ + writel(DDR_CTRL_PRECHARGE, regs + AR71XX_DDR_REG_CONTROL); + + /* Disable High Temperature Self-Refresh, Full Array */ + writel(0x00, regs + AR933X_DDR_REG_EMR2); + + /* Extended Mode Register 2 Set (EMR2S) */ + writel(DDR_CTRL_UPD_EMR2S, regs + AR71XX_DDR_REG_CONTROL); + + writel(0x00, regs + AR933X_DDR_REG_EMR3); + + /* Extended Mode Register 3 Set (EMR3S) */ + writel(DDR_CTRL_UPD_EMR3S, regs + AR71XX_DDR_REG_CONTROL); + + /* Enable DLL, Full strength, ODT Disabled */ + writel(0x00, regs + AR71XX_DDR_REG_EMR); + + /* Extended Mode Register Set (EMRS) */ + writel(DDR_CTRL_UPD_EMRS, regs + AR71XX_DDR_REG_CONTROL); + + /* Reset DLL */ + writel(DDR2_MODE_DLL_VAL, regs + AR71XX_DDR_REG_MODE); + + /* Mode Register Set (MRS) */ + writel(DDR_CTRL_UPD_MRS, regs + AR71XX_DDR_REG_CONTROL); + + /* Precharge All */ + writel(DDR_CTRL_PRECHARGE, regs + AR71XX_DDR_REG_CONTROL); + + /* Auto Refresh */ + writel(DDR_CTRL_AUTO_REFRESH, regs + AR71XX_DDR_REG_CONTROL); + writel(DDR_CTRL_AUTO_REFRESH, regs + AR71XX_DDR_REG_CONTROL); + + /* Write recovery (WR) 6 clock, CAS Latency 3, Burst Length 8 */ + writel(DDR2_MODE_VAL, regs + AR71XX_DDR_REG_MODE); + /* Mode Register Set (MRS) */ + writel(DDR_CTRL_UPD_MRS, regs + AR71XX_DDR_REG_CONTROL); + + /* Enable OCD defaults, Enable DLL, Reduced Drive Strength */ + writel(DDR2_EXT_MODE_OCD_VAL, regs + AR71XX_DDR_REG_EMR); + + /* Extended Mode Register Set (EMRS) */ + writel(DDR_CTRL_UPD_EMRS, regs + AR71XX_DDR_REG_CONTROL); + + /* OCD exit, Enable DLL, Enable /DQS, Reduced Drive Strength */ + writel(DDR2_EXT_MODE_VAL, regs + AR71XX_DDR_REG_EMR); + /* Extended Mode Register Set (EMRS) */ + writel(DDR_CTRL_UPD_EMRS, regs + AR71XX_DDR_REG_CONTROL); + + /* Refresh time control */ + if (val & AR933X_BOOTSTRAP_REF_CLK_40) + writel(DDR_REFRESH_VAL_40M, regs + + AR71XX_DDR_REG_REFRESH); + else + writel(DDR_REFRESH_VAL_25M, regs + + AR71XX_DDR_REG_REFRESH); + + /* DQS 0 Tap Control */ + writel(DDR_TAP_VAL0, regs + AR71XX_DDR_REG_TAP_CTRL0); + + /* DQS 1 Tap Control */ + writel(DDR_TAP_VAL1, regs + AR71XX_DDR_REG_TAP_CTRL1); + + /* For 16-bit DDR */ + writel(0xff, regs + AR71XX_DDR_REG_RD_CYCLE); + } else { + /* AHB maximum timeout */ + writel(0xfffff, regs + AR933X_DDR_REG_TIMEOUT_MAX); + + /* Precharge All */ + writel(DDR_CTRL_PRECHARGE, regs + AR71XX_DDR_REG_CONTROL); + + /* Reset DLL, Burst Length 8, CAS Latency 3 */ + writel(DDR1_MODE_DLL_VAL, regs + AR71XX_DDR_REG_MODE); + + /* Forces an MRS update cycle in DDR */ + writel(DDR_CTRL_UPD_MRS, regs + AR71XX_DDR_REG_CONTROL); + + /* Enable DLL, Full strength */ + writel(DDR1_EXT_MODE_VAL, regs + AR71XX_DDR_REG_EMR); + + /* Extended Mode Register Set (EMRS) */ + writel(DDR_CTRL_UPD_EMRS, regs + AR71XX_DDR_REG_CONTROL); + + /* Precharge All */ + writel(DDR_CTRL_PRECHARGE, regs + AR71XX_DDR_REG_CONTROL); + + /* Normal DLL, Burst Length 8, CAS Latency 3 */ + writel(DDR1_MODE_VAL, regs + AR71XX_DDR_REG_MODE); + + /* Mode Register Set (MRS) */ + writel(DDR_CTRL_UPD_MRS, regs + AR71XX_DDR_REG_CONTROL); + + /* Refresh time control */ + if (val & AR933X_BOOTSTRAP_REF_CLK_40) + writel(DDR_REFRESH_VAL_40M, regs + + AR71XX_DDR_REG_REFRESH); + else + writel(DDR_REFRESH_VAL_25M, regs + + AR71XX_DDR_REG_REFRESH); + + /* DQS 0 Tap Control */ + writel(DDR_TAP_VAL0, regs + AR71XX_DDR_REG_TAP_CTRL0); + + /* DQS 1 Tap Control */ + writel(DDR_TAP_VAL1, regs + AR71XX_DDR_REG_TAP_CTRL1); + + /* For 16-bit DDR */ + writel(0xff, regs + AR71XX_DDR_REG_RD_CYCLE); + } +} + +void ddr_tap_tuning(void) +{ + void __iomem *regs; + u32 *addr_k0, *addr_k1, *addr; + u32 val, tap, upper, lower; + int i, j, dir, err, done; + + regs = map_physmem(AR71XX_DDR_CTRL_BASE, AR71XX_DDR_CTRL_SIZE, + MAP_NOCACHE); + + /* Init memory pattern */ + addr = (void *)CKSEG0ADDR(0x2000); + for (i = 0; i < 256; i++) { + val = 0; + for (j = 0; j < 8; j++) { + if (i & (1 << j)) { + if (j % 2) + val |= 0xffff0000; + else + val |= 0x0000ffff; + } + + if (j % 2) { + *addr++ = val; + val = 0; + } + } + } + + err = 0; + done = 0; + dir = 1; + tap = readl(regs + AR71XX_DDR_REG_TAP_CTRL0); + val = tap; + upper = tap; + lower = tap; + while (!done) { + err = 0; + + /* Update new DDR tap value */ + writel(val, regs + AR71XX_DDR_REG_TAP_CTRL0); + writel(val, regs + AR71XX_DDR_REG_TAP_CTRL1); + + /* Compare DDR with cache */ + for (i = 0; i < 2; i++) { + addr_k1 = (void *)CKSEG1ADDR(0x2000); + addr_k0 = (void *)CKSEG0ADDR(0x2000); + addr = (void *)CKSEG0ADDR(0x3000); + + while (addr_k0 < addr) { + if (*addr_k1++ != *addr_k0++) { + err = 1; + break; + } + } + + if (err) + break; + } + + if (err) { + /* Save upper/lower threshold if error */ + if (dir) { + dir = 0; + val--; + upper = val; + val = tap; + } else { + val++; + lower = val; + done = 1; + } + } else { + /* Try the next value until limitation */ + if (dir) { + if (val < 0x20) { + val++; + } else { + dir = 0; + upper = val; + val = tap; + } + } else { + if (!val) { + lower = val; + done = 1; + } else { + val--; + } + } + } + } + + /* compute an intermediate value and write back */ + val = (upper + lower) / 2; + writel(val, regs + AR71XX_DDR_REG_TAP_CTRL0); + val++; + writel(val, regs + AR71XX_DDR_REG_TAP_CTRL1); +} diff --git a/roms/u-boot/arch/mips/mach-ath79/ar933x/lowlevel_init.S b/roms/u-boot/arch/mips/mach-ath79/ar933x/lowlevel_init.S new file mode 100644 index 000000000..390d4b389 --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/ar933x/lowlevel_init.S @@ -0,0 +1,279 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2015-2016 Wills Wang <wills.wang@live.com> + * Based on Atheros LSDK/QSDK and u-boot_mod project + */ + +#include <config.h> +#include <asm/asm.h> +#include <asm/regdef.h> +#include <asm/mipsregs.h> +#include <asm/addrspace.h> +#include <mach/ar71xx_regs.h> + +#define SET_BIT(val, bit) ((val) | (1 << (bit))) +#define SET_PLL_PD(val) SET_BIT(val, 30) +#define AHB_DIV_TO_4(val) SET_BIT(SET_BIT(val, 15), 16) +#define PLL_BYPASS(val) SET_BIT(val, 2) + +#define MK_PLL_CONF(divint, refdiv, range, outdiv) \ + (((0x3F & divint) << 10) | \ + ((0x1F & refdiv) << 16) | \ + ((0x1 & range) << 21) | \ + ((0x7 & outdiv) << 23) ) + +#define MK_CLK_CNTL(cpudiv, ddrdiv, ahbdiv) \ + (((0x3 & (cpudiv - 1)) << 5) | \ + ((0x3 & (ddrdiv - 1)) << 10) | \ + ((0x3 & (ahbdiv - 1)) << 15) ) + +/* + * PLL_CPU_CONFIG_VAL + * + * Bit30 is set (CPU_PLLPWD = 1 -> power down control for CPU PLL) + * After PLL configuration we need to clear this bit + * + * Values written into CPU PLL Configuration (CPU_PLL_CONFIG) + * + * bits 10..15 (6bit) DIV_INT (Integer part of the DIV to CPU PLL) + * => 32 (0x20) VCOOUT = XTAL * DIV_INT + * bits 16..20 (5bit) REFDIV (Reference clock divider) + * => 1 (0x1) [Must start at values 1] + * bits 21 (1bit) RANGE (VCO frequency range of the CPU PLL) + * => 0 (0x0) [Doesn't impact clock values] + * bits 23..25 (3bit) OUTDIV (Ratio between VCO and PLL output) + * => 1 (0x1) [0 is illegal!] + * PLLOUT = VCOOUT * (1/2^OUTDIV) + */ +/* DIV_INT=32 (25MHz*32/2=400MHz), REFDIV=1, RANGE=0, OUTDIV=1 */ +#define PLL_CPU_CONFIG_VAL_40M MK_PLL_CONF(20, 1, 0, 1) +/* DIV_INT=20 (40MHz*20/2=400MHz), REFDIV=1, RANGE=0, OUTDIV=1 */ +#define PLL_CPU_CONFIG_VAL_25M MK_PLL_CONF(32, 1, 0, 1) + +/* + * PLL_CLK_CONTROL_VAL + * + * In PLL_CLK_CONTROL_VAL bit 2 is set (BYPASS = 1 -> bypass PLL) + * After PLL configuration we need to clear this bit + * + * Values written into CPU Clock Control Register CLOCK_CONTROL + * + * bits 2 (1bit) BYPASS (Bypass PLL. This defaults to 1 for test. + * Software must enable the CPU PLL for normal and + * then set this bit to 0) + * bits 5..6 (2bit) CPU_POST_DIV => 0 (DEFAULT, Ratio = 1) + * CPU_CLK = PLLOUT / CPU_POST_DIV + * bits 10..11 (2bit) DDR_POST_DIV => 0 (DEFAULT, Ratio = 1) + * DDR_CLK = PLLOUT / DDR_POST_DIV + * bits 15..16 (2bit) AHB_POST_DIV => 1 (DEFAULT, Ratio = 2) + * AHB_CLK = PLLOUT / AHB_POST_DIV + * + */ +#define PLL_CLK_CONTROL_VAL MK_CLK_CNTL(1, 1, 2) + + .text + .set noreorder + +LEAF(lowlevel_init) + /* These three WLAN_RESET will avoid original issue */ + li t3, 0x03 +1: + li t0, CKSEG1ADDR(AR71XX_RESET_BASE) + lw t1, AR933X_RESET_REG_RESET_MODULE(t0) + ori t1, t1, 0x0800 + sw t1, AR933X_RESET_REG_RESET_MODULE(t0) + nop + lw t1, AR933X_RESET_REG_RESET_MODULE(t0) + li t2, 0xfffff7ff + and t1, t1, t2 + sw t1, AR933X_RESET_REG_RESET_MODULE(t0) + nop + addi t3, t3, -1 + bnez t3, 1b + nop + + li t2, 0x20 +2: + beqz t2, 1b + nop + addi t2, t2, -1 + lw t5, AR933X_RESET_REG_BOOTSTRAP(t0) + andi t1, t5, 0x10 + bnez t1, 2b + nop + + li t1, 0x02110E + sw t1, AR933X_RESET_REG_BOOTSTRAP(t0) + nop + + /* RTC Force Wake */ + li t0, CKSEG1ADDR(AR933X_RTC_BASE) + li t1, 0x03 + sw t1, AR933X_RTC_REG_FORCE_WAKE(t0) + nop + nop + + /* RTC Reset */ + li t1, 0x00 + sw t1, AR933X_RTC_REG_RESET(t0) + nop + nop + + li t1, 0x01 + sw t1, AR933X_RTC_REG_RESET(t0) + nop + nop + + /* Wait for RTC in on state */ +1: + lw t1, AR933X_RTC_REG_STATUS(t0) + andi t1, t1, 0x02 + beqz t1, 1b + nop + + /* Program ki/kd */ + li t0, CKSEG1ADDR(AR933X_SRIF_BASE) + andi t1, t5, 0x01 # t5 BOOT_STRAP + bnez t1, 1f + nop + li t1, 0x19e82f01 + b 2f + nop +1: + li t1, 0x18e82f01 +2: + sw t1, AR933X_SRIF_DDR_DPLL2_REG(t0) + + /* Program phase shift */ + lw t1, AR933X_SRIF_DDR_DPLL3_REG(t0) + li t2, 0xc07fffff + and t1, t1, t2 + li t2, 0x800000 + or t1, t1, t2 + sw t1, AR933X_SRIF_DDR_DPLL3_REG(t0) + nop + + /* in some cases, the SoC doesn't start with higher clock on AHB */ + li t0, CKSEG1ADDR(AR71XX_PLL_BASE) + li t1, AHB_DIV_TO_4(PLL_BYPASS(PLL_CLK_CONTROL_VAL)) + sw t1, AR933X_PLL_CLK_CTRL_REG(t0) + nop + + /* Set SETTLE_TIME in CPU PLL */ + andi t1, t5, 0x01 # t5 BOOT_STRAP + bnez t1, 1f + nop + li t1, 0x0352 + b 2f + nop +1: + li t1, 0x0550 +2: + sw t1, AR71XX_PLL_REG_SEC_CONFIG(t0) + nop + + /* Set nint, frac, refdiv, outdiv, range according to xtal */ +0: + andi t1, t5, 0x01 # t5 BOOT_STRAP + bnez t1, 1f + nop + li t1, SET_PLL_PD(PLL_CPU_CONFIG_VAL_25M) + b 2f + nop +1: + li t1, SET_PLL_PD(PLL_CPU_CONFIG_VAL_40M) +2: + sw t1, AR933X_PLL_CPU_CONFIG_REG(t0) + nop +1: + lw t1, AR933X_PLL_CPU_CONFIG_REG(t0) + li t2, 0x80000000 + and t1, t1, t2 + bnez t1, 1b + nop + + /* Put frac bit19:10 configuration */ + li t1, 0x1003E8 + sw t1, AR933X_PLL_DITHER_FRAC_REG(t0) + nop + + /* Clear PLL power down bit in CPU PLL configuration */ + andi t1, t5, 0x01 # t5 BOOT_STRAP + bnez t1, 1f + nop + li t1, PLL_CPU_CONFIG_VAL_25M + b 2f + nop +1: + li t1, PLL_CPU_CONFIG_VAL_40M +2: + sw t1, AR933X_PLL_CPU_CONFIG_REG(t0) + nop + + /* Wait for PLL update -> bit 31 in CPU_PLL_CONFIG should be 0 */ +1: + lw t1, AR933X_PLL_CPU_CONFIG_REG(t0) + li t2, 0x80000000 + and t1, t1, t2 + bnez t1, 1b + nop + + /* Confirm DDR PLL lock */ + li t3, 100 + li t4, 0 + +2: + addi t4, t4, 1 + bgt t4, t3, 0b + nop + + li t3, 5 +3: + /* Clear do_meas */ + li t0, CKSEG1ADDR(AR933X_SRIF_BASE) + lw t1, AR933X_SRIF_DDR_DPLL3_REG(t0) + li t2, 0xBFFFFFFF + and t1, t1, t2 + sw t1, AR933X_SRIF_DDR_DPLL3_REG(t0) + nop + + li t2, 10 +1: + subu t2, t2, 1 + bnez t2, 1b + nop + + /* Set do_meas */ + li t2, 0x40000000 + or t1, t1, t2 + sw t1, AR933X_SRIF_DDR_DPLL3_REG(t0) + nop + + /* Check meas_done */ +1: + lw t1, AR933X_SRIF_DDR_DPLL4_REG(t0) + andi t1, t1, 0x8 + beqz t1, 1b + nop + + lw t1, AR933X_SRIF_DDR_DPLL3_REG(t0) + li t2, 0x007FFFF8 + and t1, t1, t2 + srl t1, t1, 3 + li t2, 0x4000 + bgt t1, t2, 2b + nop + addi t3, t3, -1 + bnez t3, 3b + nop + + /* clear PLL bypass (bit 2) in CPU CLOCK CONTROL register */ + li t0, CKSEG1ADDR(AR71XX_PLL_BASE) + li t1, PLL_CLK_CONTROL_VAL + sw t1, AR933X_PLL_CLK_CTRL_REG(t0) + nop + + nop + jr ra + nop + END(lowlevel_init) diff --git a/roms/u-boot/arch/mips/mach-ath79/ar934x/Makefile b/roms/u-boot/arch/mips/mach-ath79/ar934x/Makefile new file mode 100644 index 000000000..0beaa9b0a --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/ar934x/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0+ + +obj-y += cpu.o +obj-y += clk.o +obj-y += ddr.o diff --git a/roms/u-boot/arch/mips/mach-ath79/ar934x/clk.c b/roms/u-boot/arch/mips/mach-ath79/ar934x/clk.c new file mode 100644 index 000000000..6ed405735 --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/ar934x/clk.c @@ -0,0 +1,340 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2016 Marek Vasut <marex@denx.de> + */ + +#include <common.h> +#include <clock_legacy.h> +#include <command.h> +#include <hang.h> +#include <asm/global_data.h> +#include <asm/io.h> +#include <asm/addrspace.h> +#include <asm/types.h> +#include <linux/bitops.h> +#include <linux/delay.h> +#include <mach/ar71xx_regs.h> +#include <mach/ath79.h> +#include <wait_bit.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * The math for calculating PLL: + * NFRAC * 2^8 + * NINT + ------------- + * XTAL [MHz] 2^(18 - 1) + * PLL [MHz] = ------------ * ---------------------- + * REFDIV 2^OUTDIV + * + * Unfortunatelly, there is no way to reliably compute the variables. + * The vendor U-Boot port contains macros for various combinations of + * CPU PLL / DDR PLL / AHB bus speed and there is no obvious pattern + * in those numbers. + */ +struct ar934x_pll_config { + u8 range; + u8 refdiv; + u8 outdiv; + /* Index 0 is for XTAL=25MHz , Index 1 is for XTAL=40MHz */ + u8 nint[2]; +}; + +struct ar934x_clock_config { + u16 cpu_freq; + u16 ddr_freq; + u16 ahb_freq; + + struct ar934x_pll_config cpu_pll; + struct ar934x_pll_config ddr_pll; +}; + +static const struct ar934x_clock_config ar934x_clock_config[] = { + { 300, 300, 150, { 1, 1, 1, { 24, 15 } }, { 1, 1, 1, { 24, 15 } } }, + { 400, 200, 200, { 1, 1, 1, { 32, 20 } }, { 1, 1, 2, { 32, 20 } } }, + { 400, 400, 200, { 0, 1, 1, { 32, 20 } }, { 0, 1, 1, { 32, 20 } } }, + { 500, 400, 200, { 1, 1, 0, { 20, 12 } }, { 0, 1, 1, { 32, 20 } } }, + { 533, 400, 200, { 1, 1, 0, { 21, 13 } }, { 0, 1, 1, { 32, 20 } } }, + { 533, 500, 250, { 1, 1, 0, { 21, 13 } }, { 0, 1, 0, { 20, 12 } } }, + { 560, 480, 240, { 1, 1, 0, { 22, 14 } }, { 1, 1, 0, { 19, 12 } } }, + { 566, 400, 200, { 1, 1, 0, { 22, 14 } }, { 1, 1, 0, { 16, 10 } } }, + { 566, 450, 225, { 1, 1, 0, { 22, 14 } }, { 0, 1, 1, { 36, 22 } } }, + { 566, 475, 237, { 1, 1, 0, { 22, 14 } }, { 1, 1, 0, { 19, 11 } } }, + { 566, 500, 250, { 1, 1, 0, { 22, 14 } }, { 1, 1, 0, { 20, 12 } } }, + { 566, 525, 262, { 1, 1, 0, { 22, 14 } }, { 1, 1, 0, { 21, 13 } } }, + { 566, 550, 275, { 1, 1, 0, { 22, 14 } }, { 1, 1, 0, { 22, 13 } } }, + { 600, 266, 133, { 0, 1, 0, { 24, 15 } }, { 1, 1, 1, { 21, 16 } } }, + { 600, 266, 200, { 0, 1, 0, { 24, 15 } }, { 1, 1, 1, { 21, 16 } } }, + { 600, 300, 150, { 0, 1, 0, { 24, 15 } }, { 0, 1, 1, { 24, 15 } } }, + { 600, 332, 166, { 0, 1, 0, { 24, 15 } }, { 1, 1, 1, { 26, 16 } } }, + { 600, 332, 200, { 0, 1, 0, { 24, 15 } }, { 1, 1, 1, { 26, 16 } } }, + { 600, 400, 200, { 0, 1, 0, { 24, 15 } }, { 0, 1, 1, { 32, 20 } } }, + { 600, 450, 200, { 0, 1, 0, { 24, 15 } }, { 0, 1, 0, { 18, 20 } } }, + { 600, 500, 250, { 0, 1, 0, { 24, 15 } }, { 1, 1, 0, { 20, 12 } } }, + { 600, 525, 262, { 0, 1, 0, { 24, 15 } }, { 0, 1, 0, { 21, 20 } } }, + { 600, 550, 275, { 0, 1, 0, { 24, 15 } }, { 0, 1, 0, { 22, 20 } } }, + { 600, 575, 287, { 0, 1, 0, { 24, 15 } }, { 0, 1, 0, { 23, 14 } } }, + { 600, 600, 300, { 0, 1, 0, { 24, 15 } }, { 0, 1, 0, { 24, 20 } } }, + { 600, 650, 325, { 0, 1, 0, { 24, 15 } }, { 0, 1, 0, { 26, 20 } } }, + { 650, 600, 300, { 0, 1, 0, { 26, 15 } }, { 0, 1, 0, { 24, 20 } } }, + { 700, 400, 200, { 3, 1, 0, { 28, 17 } }, { 0, 1, 1, { 32, 20 } } }, +}; + +static void ar934x_srif_pll_cfg(void __iomem *pll_reg_base, const u32 srif_val) +{ + u32 reg; + do { + writel(0x10810f00, pll_reg_base + 0x4); + writel(srif_val, pll_reg_base + 0x0); + writel(0xd0810f00, pll_reg_base + 0x4); + writel(0x03000000, pll_reg_base + 0x8); + writel(0xd0800f00, pll_reg_base + 0x4); + + clrbits_be32(pll_reg_base + 0x8, BIT(30)); + udelay(5); + setbits_be32(pll_reg_base + 0x8, BIT(30)); + udelay(5); + + wait_for_bit_le32(pll_reg_base + 0xc, BIT(3), 1, 10, 0); + + clrbits_be32(pll_reg_base + 0x8, BIT(30)); + udelay(5); + + /* Check if CPU SRIF PLL locked. */ + reg = readl(pll_reg_base + 0x8); + reg = (reg & 0x7ffff8) >> 3; + } while (reg >= 0x40000); +} + +void ar934x_pll_init(const u16 cpu_mhz, const u16 ddr_mhz, const u16 ahb_mhz) +{ + void __iomem *srif_regs = map_physmem(AR934X_SRIF_BASE, + AR934X_SRIF_SIZE, MAP_NOCACHE); + void __iomem *pll_regs = map_physmem(AR71XX_PLL_BASE, + AR71XX_PLL_SIZE, MAP_NOCACHE); + const struct ar934x_pll_config *pll_cfg; + int i, pll_nint, pll_refdiv, xtal_40 = 0; + u32 reg, cpu_pll, cpu_srif, ddr_pll, ddr_srif; + + /* Configure SRIF PLL with initial values. */ + writel(0x13210f00, srif_regs + AR934X_SRIF_CPU_DPLL2_REG); + writel(0x03000000, srif_regs + AR934X_SRIF_CPU_DPLL3_REG); + writel(0x13210f00, srif_regs + AR934X_SRIF_DDR_DPLL2_REG); + writel(0x03000000, srif_regs + AR934X_SRIF_DDR_DPLL3_REG); + writel(0x03000000, srif_regs + 0x188); /* Undocumented reg :-) */ + + /* Test for 40MHz XTAL */ + reg = ath79_get_bootstrap(); + if (reg & AR934X_BOOTSTRAP_REF_CLK_40) { + xtal_40 = 1; + cpu_srif = 0x41c00000; + ddr_srif = 0x41680000; + } else { + xtal_40 = 0; + cpu_srif = 0x29c00000; + ddr_srif = 0x29680000; + } + + /* Locate CPU/DDR PLL configuration */ + for (i = 0; i < ARRAY_SIZE(ar934x_clock_config); i++) { + if (cpu_mhz != ar934x_clock_config[i].cpu_freq) + continue; + if (ddr_mhz != ar934x_clock_config[i].ddr_freq) + continue; + if (ahb_mhz != ar934x_clock_config[i].ahb_freq) + continue; + + /* Entry found */ + pll_cfg = &ar934x_clock_config[i].cpu_pll; + pll_nint = pll_cfg->nint[xtal_40]; + pll_refdiv = pll_cfg->refdiv; + cpu_pll = + (pll_nint << AR934X_PLL_CPU_CONFIG_NINT_SHIFT) | + (pll_refdiv << AR934X_PLL_CPU_CONFIG_REFDIV_SHIFT) | + (pll_cfg->range << AR934X_PLL_CPU_CONFIG_RANGE_SHIFT) | + (pll_cfg->outdiv << AR934X_PLL_CPU_CONFIG_OUTDIV_SHIFT); + + pll_cfg = &ar934x_clock_config[i].ddr_pll; + pll_nint = pll_cfg->nint[xtal_40]; + pll_refdiv = pll_cfg->refdiv; + ddr_pll = + (pll_nint << AR934X_PLL_DDR_CONFIG_NINT_SHIFT) | + (pll_refdiv << AR934X_PLL_DDR_CONFIG_REFDIV_SHIFT) | + (pll_cfg->range << AR934X_PLL_DDR_CONFIG_RANGE_SHIFT) | + (pll_cfg->outdiv << AR934X_PLL_DDR_CONFIG_OUTDIV_SHIFT); + break; + } + + /* PLL configuration not found, hang. */ + if (i == ARRAY_SIZE(ar934x_clock_config)) + hang(); + + /* Set PLL Bypass */ + setbits_be32(pll_regs + AR934X_PLL_CPU_DDR_CLK_CTRL_REG, + AR934X_PLL_CLK_CTRL_CPU_PLL_BYPASS); + setbits_be32(pll_regs + AR934X_PLL_CPU_DDR_CLK_CTRL_REG, + AR934X_PLL_CLK_CTRL_DDR_PLL_BYPASS); + setbits_be32(pll_regs + AR934X_PLL_CPU_DDR_CLK_CTRL_REG, + AR934X_PLL_CLK_CTRL_AHB_PLL_BYPASS); + + /* Configure CPU PLL */ + writel(cpu_pll | AR934X_PLL_CPU_CONFIG_PLLPWD, + pll_regs + AR934X_PLL_CPU_CONFIG_REG); + /* Configure DDR PLL */ + writel(ddr_pll | AR934X_PLL_DDR_CONFIG_PLLPWD, + pll_regs + AR934X_PLL_DDR_CONFIG_REG); + /* Configure PLL routing */ + writel(AR934X_PLL_CLK_CTRL_CPU_PLL_BYPASS | + AR934X_PLL_CLK_CTRL_DDR_PLL_BYPASS | + AR934X_PLL_CLK_CTRL_AHB_PLL_BYPASS | + (0 << AR934X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT) | + (0 << AR934X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT) | + (1 << AR934X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT) | + AR934X_PLL_CLK_CTRL_CPUCLK_FROM_CPUPLL | + AR934X_PLL_CLK_CTRL_DDRCLK_FROM_DDRPLL | + AR934X_PLL_CLK_CTRL_AHBCLK_FROM_DDRPLL, + pll_regs + AR934X_PLL_CPU_DDR_CLK_CTRL_REG); + + /* Configure SRIF PLLs, which is completely undocumented :-) */ + ar934x_srif_pll_cfg(srif_regs + AR934X_SRIF_CPU_DPLL1_REG, cpu_srif); + ar934x_srif_pll_cfg(srif_regs + AR934X_SRIF_DDR_DPLL1_REG, ddr_srif); + + /* Unset PLL Bypass */ + clrbits_be32(pll_regs + AR934X_PLL_CPU_DDR_CLK_CTRL_REG, + AR934X_PLL_CLK_CTRL_CPU_PLL_BYPASS); + clrbits_be32(pll_regs + AR934X_PLL_CPU_DDR_CLK_CTRL_REG, + AR934X_PLL_CLK_CTRL_DDR_PLL_BYPASS); + clrbits_be32(pll_regs + AR934X_PLL_CPU_DDR_CLK_CTRL_REG, + AR934X_PLL_CLK_CTRL_AHB_PLL_BYPASS); + + /* Enable PLL dithering */ + writel((1 << AR934X_PLL_DDR_DIT_FRAC_STEP_SHIFT) | + (0xf << AR934X_PLL_DDR_DIT_UPD_CNT_SHIFT), + pll_regs + AR934X_PLL_DDR_DIT_FRAC_REG); + writel(48 << AR934X_PLL_CPU_DIT_UPD_CNT_SHIFT, + pll_regs + AR934X_PLL_CPU_DIT_FRAC_REG); +} + +static u32 ar934x_get_xtal(void) +{ + u32 val; + + val = ath79_get_bootstrap(); + if (val & AR934X_BOOTSTRAP_REF_CLK_40) + return 40000000; + else + return 25000000; +} + +int get_serial_clock(void) +{ + return ar934x_get_xtal(); +} + +static u32 ar934x_cpupll_to_hz(const u32 regval) +{ + const u32 outdiv = (regval >> AR934X_PLL_CPU_CONFIG_OUTDIV_SHIFT) & + AR934X_PLL_CPU_CONFIG_OUTDIV_MASK; + const u32 refdiv = (regval >> AR934X_PLL_CPU_CONFIG_REFDIV_SHIFT) & + AR934X_PLL_CPU_CONFIG_REFDIV_MASK; + const u32 nint = (regval >> AR934X_PLL_CPU_CONFIG_NINT_SHIFT) & + AR934X_PLL_CPU_CONFIG_NINT_MASK; + const u32 nfrac = (regval >> AR934X_PLL_CPU_CONFIG_NFRAC_SHIFT) & + AR934X_PLL_CPU_CONFIG_NFRAC_MASK; + const u32 xtal = ar934x_get_xtal(); + + return (xtal * (nint + (nfrac >> 9))) / (refdiv * (1 << outdiv)); +} + +static u32 ar934x_ddrpll_to_hz(const u32 regval) +{ + const u32 outdiv = (regval >> AR934X_PLL_DDR_CONFIG_OUTDIV_SHIFT) & + AR934X_PLL_DDR_CONFIG_OUTDIV_MASK; + const u32 refdiv = (regval >> AR934X_PLL_DDR_CONFIG_REFDIV_SHIFT) & + AR934X_PLL_DDR_CONFIG_REFDIV_MASK; + const u32 nint = (regval >> AR934X_PLL_DDR_CONFIG_NINT_SHIFT) & + AR934X_PLL_DDR_CONFIG_NINT_MASK; + const u32 nfrac = (regval >> AR934X_PLL_DDR_CONFIG_NFRAC_SHIFT) & + AR934X_PLL_DDR_CONFIG_NFRAC_MASK; + const u32 xtal = ar934x_get_xtal(); + + return (xtal * (nint + (nfrac >> 9))) / (refdiv * (1 << outdiv)); +} + +static void ar934x_update_clock(void) +{ + void __iomem *regs; + u32 ctrl, cpu, cpupll, ddr, ddrpll; + u32 cpudiv, ddrdiv, busdiv; + u32 cpuclk, ddrclk, busclk; + + regs = map_physmem(AR71XX_PLL_BASE, AR71XX_PLL_SIZE, + MAP_NOCACHE); + + cpu = readl(regs + AR934X_PLL_CPU_CONFIG_REG); + ddr = readl(regs + AR934X_PLL_DDR_CONFIG_REG); + ctrl = readl(regs + AR934X_PLL_CPU_DDR_CLK_CTRL_REG); + + cpupll = ar934x_cpupll_to_hz(cpu); + ddrpll = ar934x_ddrpll_to_hz(ddr); + + if (ctrl & AR934X_PLL_CLK_CTRL_CPU_PLL_BYPASS) + cpuclk = ar934x_get_xtal(); + else if (ctrl & AR934X_PLL_CLK_CTRL_CPUCLK_FROM_CPUPLL) + cpuclk = cpupll; + else + cpuclk = ddrpll; + + if (ctrl & AR934X_PLL_CLK_CTRL_DDR_PLL_BYPASS) + ddrclk = ar934x_get_xtal(); + else if (ctrl & AR934X_PLL_CLK_CTRL_DDRCLK_FROM_DDRPLL) + ddrclk = ddrpll; + else + ddrclk = cpupll; + + if (ctrl & AR934X_PLL_CLK_CTRL_AHB_PLL_BYPASS) + busclk = ar934x_get_xtal(); + else if (ctrl & AR934X_PLL_CLK_CTRL_AHBCLK_FROM_DDRPLL) + busclk = ddrpll; + else + busclk = cpupll; + + cpudiv = (ctrl >> AR934X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT) & + AR934X_PLL_CLK_CTRL_CPU_POST_DIV_MASK; + ddrdiv = (ctrl >> AR934X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT) & + AR934X_PLL_CLK_CTRL_DDR_POST_DIV_MASK; + busdiv = (ctrl >> AR934X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT) & + AR934X_PLL_CLK_CTRL_AHB_POST_DIV_MASK; + + gd->cpu_clk = cpuclk / (cpudiv + 1); + gd->mem_clk = ddrclk / (ddrdiv + 1); + gd->bus_clk = busclk / (busdiv + 1); +} + +ulong get_bus_freq(ulong dummy) +{ + ar934x_update_clock(); + return gd->bus_clk; +} + +ulong get_ddr_freq(ulong dummy) +{ + ar934x_update_clock(); + return gd->mem_clk; +} + +int do_ar934x_showclk(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + ar934x_update_clock(); + printf("CPU: %8ld MHz\n", gd->cpu_clk / 1000000); + printf("Memory: %8ld MHz\n", gd->mem_clk / 1000000); + printf("AHB: %8ld MHz\n", gd->bus_clk / 1000000); + return 0; +} + +U_BOOT_CMD( + clocks, CONFIG_SYS_MAXARGS, 1, do_ar934x_showclk, + "display clocks", + "" +); diff --git a/roms/u-boot/arch/mips/mach-ath79/ar934x/cpu.c b/roms/u-boot/arch/mips/mach-ath79/ar934x/cpu.c new file mode 100644 index 000000000..7daac0367 --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/ar934x/cpu.c @@ -0,0 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2016 Marek Vasut <marex@denx.de> + */ + +#include <common.h> + +/* The lowlevel_init() is not needed on AR934x */ +void lowlevel_init(void) {} diff --git a/roms/u-boot/arch/mips/mach-ath79/ar934x/ddr.c b/roms/u-boot/arch/mips/mach-ath79/ar934x/ddr.c new file mode 100644 index 000000000..9df48b97e --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/ar934x/ddr.c @@ -0,0 +1,165 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2016 Marek Vasut <marex@denx.de> + * + * Based on RAM init sequence by Piotr Dymacz <pepe2k@gmail.com> + */ + +#include <common.h> +#include <asm/global_data.h> +#include <asm/io.h> +#include <asm/addrspace.h> +#include <asm/types.h> +#include <linux/bitops.h> +#include <linux/delay.h> +#include <mach/ar71xx_regs.h> +#include <mach/ath79.h> + +DECLARE_GLOBAL_DATA_PTR; + +enum { + AR934X_SDRAM = 0, + AR934X_DDR1, + AR934X_DDR2, +}; + +struct ar934x_mem_config { + u32 config1; + u32 config2; + u32 mode; + u32 extmode; + u32 tap; +}; + +static const struct ar934x_mem_config ar934x_mem_config[] = { + [AR934X_SDRAM] = { 0x7fbe8cd0, 0x959f66a8, 0x33, 0, 0x1f1f }, + [AR934X_DDR1] = { 0x7fd48cd0, 0x99d0e6a8, 0x33, 0, 0x14 }, + [AR934X_DDR2] = { 0xc7d48cd0, 0x9dd0e6a8, 0x33, 0, 0x10012 }, +}; + +void ar934x_ddr_init(const u16 cpu_mhz, const u16 ddr_mhz, const u16 ahb_mhz) +{ + void __iomem *ddr_regs; + const struct ar934x_mem_config *memcfg; + int memtype; + u32 reg, cycle, ctl; + + ddr_regs = map_physmem(AR71XX_DDR_CTRL_BASE, AR71XX_DDR_CTRL_SIZE, + MAP_NOCACHE); + + reg = ath79_get_bootstrap(); + if (reg & AR934X_BOOTSTRAP_SDRAM_DISABLED) { /* DDR */ + if (reg & AR934X_BOOTSTRAP_DDR1) { /* DDR 1 */ + memtype = AR934X_DDR1; + cycle = 0xffff; + } else { /* DDR 2 */ + memtype = AR934X_DDR2; + if (gd->arch.rev) { + ctl = BIT(6); /* Undocumented bit :-( */ + if (reg & BIT(3)) + cycle = 0xff; + else + cycle = 0xffff; + } else { + /* Force DDR2/x16 configuratio on old chips. */ + ctl = 0; + cycle = 0xffff; /* DDR2 16bit */ + } + + writel(0xe59, ddr_regs + AR934X_DDR_REG_DDR2_CONFIG); + udelay(100); + + writel(0x10, ddr_regs + AR71XX_DDR_REG_CONTROL); + udelay(10); + + writel(0x20, ddr_regs + AR71XX_DDR_REG_CONTROL); + udelay(10); + + writel(ctl, ddr_regs + AR934X_DDR_REG_CTL_CONF); + udelay(10); + } + } else { /* SDRAM */ + memtype = AR934X_SDRAM; + cycle = 0xffffffff; + + writel(0x13b, ddr_regs + AR934X_DDR_REG_CTL_CONF); + udelay(100); + + /* Undocumented register */ + writel(0x13b, ddr_regs + 0x118); + udelay(100); + } + + memcfg = &ar934x_mem_config[memtype]; + + writel(memcfg->config1, ddr_regs + AR71XX_DDR_REG_CONFIG); + udelay(100); + + writel(memcfg->config2, ddr_regs + AR71XX_DDR_REG_CONFIG2); + udelay(100); + + writel(0x8, ddr_regs + AR71XX_DDR_REG_CONTROL); + udelay(10); + + writel(memcfg->mode | 0x100, ddr_regs + AR71XX_DDR_REG_MODE); + mdelay(1); + + writel(0x1, ddr_regs + AR71XX_DDR_REG_CONTROL); + udelay(10); + + if (memtype == AR934X_DDR2) { + writel(memcfg->mode | 0x100, ddr_regs + AR71XX_DDR_REG_EMR); + udelay(100); + + writel(0x2, ddr_regs + AR71XX_DDR_REG_CONTROL); + udelay(10); + } + + if (memtype != AR934X_SDRAM) + writel(0x402, ddr_regs + AR71XX_DDR_REG_EMR); + + udelay(100); + + writel(0x2, ddr_regs + AR71XX_DDR_REG_CONTROL); + udelay(10); + + writel(0x8, ddr_regs + AR71XX_DDR_REG_CONTROL); + udelay(10); + + writel(memcfg->mode, ddr_regs + AR71XX_DDR_REG_MODE); + udelay(100); + + writel(0x1, ddr_regs + AR71XX_DDR_REG_CONTROL); + udelay(10); + + writel(0x412c /* FIXME */, ddr_regs + AR71XX_DDR_REG_REFRESH); + udelay(100); + + writel(memcfg->tap, ddr_regs + AR71XX_DDR_REG_TAP_CTRL0); + writel(memcfg->tap, ddr_regs + AR71XX_DDR_REG_TAP_CTRL1); + + if (memtype != AR934X_SDRAM) { + if ((gd->arch.rev && (reg & BIT(3))) || !gd->arch.rev) { + writel(memcfg->tap, + ddr_regs + AR934X_DDR_REG_TAP_CTRL2); + writel(memcfg->tap, + ddr_regs + AR934X_DDR_REG_TAP_CTRL3); + } + } + + writel(cycle, ddr_regs + AR71XX_DDR_REG_RD_CYCLE); + udelay(100); + + writel(0x74444444, ddr_regs + AR934X_DDR_REG_BURST); + udelay(100); + + writel(0x222, ddr_regs + AR934X_DDR_REG_BURST2); + udelay(100); + + writel(0xfffff, ddr_regs + AR934X_DDR_REG_TIMEOUT_MAX); + udelay(100); +} + +void ddr_tap_tuning(void) +{ +} diff --git a/roms/u-boot/arch/mips/mach-ath79/cpu.c b/roms/u-boot/arch/mips/mach-ath79/cpu.c new file mode 100644 index 000000000..79f419088 --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/cpu.c @@ -0,0 +1,143 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2015-2016 Wills Wang <wills.wang@live.com> + */ + +#include <common.h> +#include <init.h> +#include <asm/io.h> +#include <asm/addrspace.h> +#include <asm/global_data.h> +#include <asm/types.h> +#include <mach/ath79.h> +#include <mach/ar71xx_regs.h> + +struct ath79_soc_desc { + const enum ath79_soc_type soc; + const char *chip; + const int major; + const int minor; +}; + +static const struct ath79_soc_desc desc[] = { + {ATH79_SOC_AR7130, "7130", + REV_ID_MAJOR_AR71XX, AR71XX_REV_ID_MINOR_AR7130}, + {ATH79_SOC_AR7141, "7141", + REV_ID_MAJOR_AR71XX, AR71XX_REV_ID_MINOR_AR7141}, + {ATH79_SOC_AR7161, "7161", + REV_ID_MAJOR_AR71XX, AR71XX_REV_ID_MINOR_AR7161}, + {ATH79_SOC_AR7240, "7240", REV_ID_MAJOR_AR7240, 0}, + {ATH79_SOC_AR7241, "7241", REV_ID_MAJOR_AR7241, 0}, + {ATH79_SOC_AR7242, "7242", REV_ID_MAJOR_AR7242, 0}, + {ATH79_SOC_AR9130, "9130", + REV_ID_MAJOR_AR913X, AR913X_REV_ID_MINOR_AR9130}, + {ATH79_SOC_AR9132, "9132", + REV_ID_MAJOR_AR913X, AR913X_REV_ID_MINOR_AR9132}, + {ATH79_SOC_AR9330, "9330", REV_ID_MAJOR_AR9330, 0}, + {ATH79_SOC_AR9331, "9331", REV_ID_MAJOR_AR9331, 0}, + {ATH79_SOC_AR9341, "9341", REV_ID_MAJOR_AR9341, 0}, + {ATH79_SOC_AR9342, "9342", REV_ID_MAJOR_AR9342, 0}, + {ATH79_SOC_AR9344, "9344", REV_ID_MAJOR_AR9344, 0}, + {ATH79_SOC_QCA9533, "9533", REV_ID_MAJOR_QCA9533, 0}, + {ATH79_SOC_QCA9533, "9533", + REV_ID_MAJOR_QCA9533_V2, 0}, + {ATH79_SOC_QCA9556, "9556", REV_ID_MAJOR_QCA9556, 0}, + {ATH79_SOC_QCA9558, "9558", REV_ID_MAJOR_QCA9558, 0}, + {ATH79_SOC_TP9343, "9343", REV_ID_MAJOR_TP9343, 0}, + {ATH79_SOC_QCA9561, "9561", REV_ID_MAJOR_QCA9561, 0}, +}; + +int mach_cpu_init(void) +{ + void __iomem *base; + enum ath79_soc_type soc = ATH79_SOC_UNKNOWN; + u32 id, major, minor = 0; + u32 rev = 0, ver = 1; + int i; + + base = map_physmem(AR71XX_RESET_BASE, AR71XX_RESET_SIZE, + MAP_NOCACHE); + + id = readl(base + AR71XX_RESET_REG_REV_ID); + major = id & REV_ID_MAJOR_MASK; + switch (major) { + case REV_ID_MAJOR_AR71XX: + case REV_ID_MAJOR_AR913X: + minor = id & AR71XX_REV_ID_MINOR_MASK; + rev = id >> AR71XX_REV_ID_REVISION_SHIFT; + rev &= AR71XX_REV_ID_REVISION_MASK; + break; + + case REV_ID_MAJOR_QCA9533_V2: + ver = 2; + /* drop through */ + + case REV_ID_MAJOR_AR9341: + case REV_ID_MAJOR_AR9342: + case REV_ID_MAJOR_AR9344: + case REV_ID_MAJOR_QCA9533: + case REV_ID_MAJOR_QCA9556: + case REV_ID_MAJOR_QCA9558: + case REV_ID_MAJOR_TP9343: + case REV_ID_MAJOR_QCA9561: + rev = id & AR71XX_REV_ID_REVISION2_MASK; + break; + default: + rev = id & AR71XX_REV_ID_REVISION_MASK; + break; + } + + for (i = 0; i < ARRAY_SIZE(desc); i++) { + if ((desc[i].major == major) && + (desc[i].minor == minor)) { + soc = desc[i].soc; + break; + } + } + + gd->arch.id = id; + gd->arch.soc = soc; + gd->arch.rev = rev; + gd->arch.ver = ver; + return 0; +} + +int print_cpuinfo(void) +{ + enum ath79_soc_type soc = ATH79_SOC_UNKNOWN; + const char *chip = "????"; + u32 id, rev, ver; + int i; + + for (i = 0; i < ARRAY_SIZE(desc); i++) { + if (desc[i].soc == gd->arch.soc) { + chip = desc[i].chip; + soc = desc[i].soc; + break; + } + } + + id = gd->arch.id; + rev = gd->arch.rev; + ver = gd->arch.ver; + + switch (soc) { + case ATH79_SOC_QCA9533: + case ATH79_SOC_QCA9556: + case ATH79_SOC_QCA9558: + case ATH79_SOC_QCA9561: + printf("Qualcomm Atheros QCA%s ver %u rev %u\n", chip, + ver, rev); + break; + case ATH79_SOC_TP9343: + printf("Qualcomm Atheros TP%s rev %u\n", chip, rev); + break; + case ATH79_SOC_UNKNOWN: + printf("ATH79: unknown SoC, id:0x%08x", id); + break; + default: + printf("Atheros AR%s rev %u\n", chip, rev); + } + + return 0; +} diff --git a/roms/u-boot/arch/mips/mach-ath79/dram.c b/roms/u-boot/arch/mips/mach-ath79/dram.c new file mode 100644 index 000000000..545b1199e --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/dram.c @@ -0,0 +1,21 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2015-2016 Wills Wang <wills.wang@live.com> + */ + +#include <common.h> +#include <init.h> +#include <asm/global_data.h> +#include <linux/sizes.h> +#include <asm/addrspace.h> +#include <mach/ddr.h> + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init(void) +{ + ddr_tap_tuning(); + gd->ram_size = get_ram_size((void *)KSEG1, SZ_256M); + + return 0; +} diff --git a/roms/u-boot/arch/mips/mach-ath79/include/mach/ar71xx_regs.h b/roms/u-boot/arch/mips/mach-ath79/include/mach/ar71xx_regs.h new file mode 100644 index 000000000..5888f6eb2 --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/include/mach/ar71xx_regs.h @@ -0,0 +1,1337 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Atheros AR71XX/AR724X/AR913X SoC register definitions + * + * Copyright (C) 2015-2016 Wills Wang <wills.wang@live.com> + * Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com> + * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + */ + +#ifndef __ASM_MACH_AR71XX_REGS_H +#define __ASM_MACH_AR71XX_REGS_H + +#ifndef __ASSEMBLY__ +#include <linux/bitops.h> +#else +#ifndef BIT +#define BIT(nr) (1 << (nr)) +#endif +#endif + +#define AR71XX_APB_BASE 0x18000000 +#define AR71XX_GE0_BASE 0x19000000 +#define AR71XX_GE0_SIZE 0x10000 +#define AR71XX_GE1_BASE 0x1a000000 +#define AR71XX_GE1_SIZE 0x10000 +#define AR71XX_EHCI_BASE 0x1b000000 +#define AR71XX_EHCI_SIZE 0x1000 +#define AR71XX_OHCI_BASE 0x1c000000 +#define AR71XX_OHCI_SIZE 0x1000 +#define AR71XX_SPI_BASE 0x1f000000 +#define AR71XX_SPI_SIZE 0x01000000 + +#define AR71XX_DDR_CTRL_BASE \ + (AR71XX_APB_BASE + 0x00000000) +#define AR71XX_DDR_CTRL_SIZE 0x100 +#define AR71XX_UART_BASE \ + (AR71XX_APB_BASE + 0x00020000) +#define AR71XX_UART_SIZE 0x100 +#define AR71XX_USB_CTRL_BASE \ + (AR71XX_APB_BASE + 0x00030000) +#define AR71XX_USB_CTRL_SIZE 0x100 +#define AR71XX_GPIO_BASE \ + (AR71XX_APB_BASE + 0x00040000) +#define AR71XX_GPIO_SIZE 0x100 +#define AR71XX_PLL_BASE \ + (AR71XX_APB_BASE + 0x00050000) +#define AR71XX_PLL_SIZE 0x100 +#define AR71XX_RESET_BASE \ + (AR71XX_APB_BASE + 0x00060000) +#define AR71XX_RESET_SIZE 0x100 +#define AR71XX_MII_BASE \ + (AR71XX_APB_BASE + 0x00070000) +#define AR71XX_MII_SIZE 0x100 + +#define AR71XX_PCI_MEM_BASE 0x10000000 +#define AR71XX_PCI_MEM_SIZE 0x07000000 + +#define AR71XX_PCI_WIN0_OFFS 0x10000000 +#define AR71XX_PCI_WIN1_OFFS 0x11000000 +#define AR71XX_PCI_WIN2_OFFS 0x12000000 +#define AR71XX_PCI_WIN3_OFFS 0x13000000 +#define AR71XX_PCI_WIN4_OFFS 0x14000000 +#define AR71XX_PCI_WIN5_OFFS 0x15000000 +#define AR71XX_PCI_WIN6_OFFS 0x16000000 +#define AR71XX_PCI_WIN7_OFFS 0x07000000 + +#define AR71XX_PCI_CFG_BASE \ + (AR71XX_PCI_MEM_BASE + AR71XX_PCI_WIN7_OFFS + 0x10000) +#define AR71XX_PCI_CFG_SIZE 0x100 + +#define AR7240_USB_CTRL_BASE \ + (AR71XX_APB_BASE + 0x00030000) +#define AR7240_USB_CTRL_SIZE 0x100 +#define AR7240_OHCI_BASE 0x1b000000 +#define AR7240_OHCI_SIZE 0x1000 + +#define AR724X_PCI_MEM_BASE 0x10000000 +#define AR724X_PCI_MEM_SIZE 0x04000000 + +#define AR724X_PCI_CFG_BASE 0x14000000 +#define AR724X_PCI_CFG_SIZE 0x1000 +#define AR724X_PCI_CRP_BASE \ + (AR71XX_APB_BASE + 0x000c0000) +#define AR724X_PCI_CRP_SIZE 0x1000 +#define AR724X_PCI_CTRL_BASE \ + (AR71XX_APB_BASE + 0x000f0000) +#define AR724X_PCI_CTRL_SIZE 0x100 + +#define AR724X_EHCI_BASE 0x1b000000 +#define AR724X_EHCI_SIZE 0x1000 + +#define AR913X_EHCI_BASE 0x1b000000 +#define AR913X_EHCI_SIZE 0x1000 +#define AR913X_WMAC_BASE \ + (AR71XX_APB_BASE + 0x000C0000) +#define AR913X_WMAC_SIZE 0x30000 + +#define AR933X_UART_BASE \ + (AR71XX_APB_BASE + 0x00020000) +#define AR933X_UART_SIZE 0x14 +#define AR933X_GMAC_BASE \ + (AR71XX_APB_BASE + 0x00070000) +#define AR933X_GMAC_SIZE 0x04 +#define AR933X_WMAC_BASE \ + (AR71XX_APB_BASE + 0x00100000) +#define AR933X_WMAC_SIZE 0x20000 +#define AR933X_RTC_BASE \ + (AR71XX_APB_BASE + 0x00107000) +#define AR933X_RTC_SIZE 0x1000 +#define AR933X_EHCI_BASE 0x1b000000 +#define AR933X_EHCI_SIZE 0x1000 +#define AR933X_SRIF_BASE \ + (AR71XX_APB_BASE + 0x00116000) +#define AR933X_SRIF_SIZE 0x1000 + +#define AR934X_GMAC_BASE \ + (AR71XX_APB_BASE + 0x00070000) +#define AR934X_GMAC_SIZE 0x14 +#define AR934X_WMAC_BASE \ + (AR71XX_APB_BASE + 0x00100000) +#define AR934X_WMAC_SIZE 0x20000 +#define AR934X_EHCI_BASE 0x1b000000 +#define AR934X_EHCI_SIZE 0x200 +#define AR934X_NFC_BASE 0x1b000200 +#define AR934X_NFC_SIZE 0xb8 +#define AR934X_SRIF_BASE \ + (AR71XX_APB_BASE + 0x00116000) +#define AR934X_SRIF_SIZE 0x1000 + +#define QCA953X_GMAC_BASE \ + (AR71XX_APB_BASE + 0x00070000) +#define QCA953X_GMAC_SIZE 0x14 +#define QCA953X_WMAC_BASE \ + (AR71XX_APB_BASE + 0x00100000) +#define QCA953X_WMAC_SIZE 0x20000 +#define QCA953X_RTC_BASE \ + (AR71XX_APB_BASE + 0x00107000) +#define QCA953X_RTC_SIZE 0x1000 +#define QCA953X_EHCI_BASE 0x1b000000 +#define QCA953X_EHCI_SIZE 0x200 +#define QCA953X_SRIF_BASE \ + (AR71XX_APB_BASE + 0x00116000) +#define QCA953X_SRIF_SIZE 0x1000 + +#define QCA953X_PCI_CFG_BASE0 0x14000000 +#define QCA953X_PCI_CTRL_BASE0 \ + (AR71XX_APB_BASE + 0x000f0000) +#define QCA953X_PCI_CRP_BASE0 \ + (AR71XX_APB_BASE + 0x000c0000) +#define QCA953X_PCI_MEM_BASE0 0x10000000 +#define QCA953X_PCI_MEM_SIZE 0x02000000 + +#define QCA955X_PCI_MEM_BASE0 0x10000000 +#define QCA955X_PCI_MEM_BASE1 0x12000000 +#define QCA955X_PCI_MEM_SIZE 0x02000000 +#define QCA955X_PCI_CFG_BASE0 0x14000000 +#define QCA955X_PCI_CFG_BASE1 0x16000000 +#define QCA955X_PCI_CFG_SIZE 0x1000 +#define QCA955X_PCI_CRP_BASE0 \ + (AR71XX_APB_BASE + 0x000c0000) +#define QCA955X_PCI_CRP_BASE1 \ + (AR71XX_APB_BASE + 0x00250000) +#define QCA955X_PCI_CRP_SIZE 0x1000 +#define QCA955X_PCI_CTRL_BASE0 \ + (AR71XX_APB_BASE + 0x000f0000) +#define QCA955X_PCI_CTRL_BASE1 \ + (AR71XX_APB_BASE + 0x00280000) +#define QCA955X_PCI_CTRL_SIZE 0x100 + +#define QCA955X_GMAC_BASE \ + (AR71XX_APB_BASE + 0x00070000) +#define QCA955X_GMAC_SIZE 0x40 +#define QCA955X_WMAC_BASE \ + (AR71XX_APB_BASE + 0x00100000) +#define QCA955X_WMAC_SIZE 0x20000 +#define QCA955X_EHCI0_BASE 0x1b000000 +#define QCA955X_EHCI1_BASE 0x1b400000 +#define QCA955X_EHCI_SIZE 0x1000 +#define QCA955X_NFC_BASE 0x1b800200 +#define QCA955X_NFC_SIZE 0xb8 + +#define QCA956X_PCI_MEM_BASE1 0x12000000 +#define QCA956X_PCI_MEM_SIZE 0x02000000 +#define QCA956X_PCI_CFG_BASE1 0x16000000 +#define QCA956X_PCI_CFG_SIZE 0x1000 +#define QCA956X_PCI_CRP_BASE1 \ + (AR71XX_APB_BASE + 0x00250000) +#define QCA956X_PCI_CRP_SIZE 0x1000 +#define QCA956X_PCI_CTRL_BASE1 \ + (AR71XX_APB_BASE + 0x00280000) +#define QCA956X_PCI_CTRL_SIZE 0x100 + +#define QCA956X_WMAC_BASE \ + (AR71XX_APB_BASE + 0x00100000) +#define QCA956X_WMAC_SIZE 0x20000 +#define QCA956X_RTC_BASE \ + (AR71XX_APB_BASE + 0x00107000) +#define QCA956X_RTC_SIZE 0x1000 +#define QCA956X_EHCI0_BASE 0x1b000000 +#define QCA956X_EHCI1_BASE 0x1b400000 +#define QCA956X_EHCI_SIZE 0x200 +#define QCA956X_GMAC_BASE \ + (AR71XX_APB_BASE + 0x00070000) +#define QCA956X_GMAC_SIZE 0x64 + +#define QCA956X_SRIF_BASE \ + (AR71XX_APB_BASE + 0x00116000) +#define QCA956X_SRIF_SIZE 0x1000 + +/* + * DDR_CTRL block + */ +#define AR71XX_DDR_REG_CONFIG 0x00 +#define AR71XX_DDR_REG_CONFIG2 0x04 +#define AR71XX_DDR_REG_MODE 0x08 +#define AR71XX_DDR_REG_EMR 0x0c +#define AR71XX_DDR_REG_CONTROL 0x10 +#define AR71XX_DDR_REG_REFRESH 0x14 +#define AR71XX_DDR_REG_RD_CYCLE 0x18 +#define AR71XX_DDR_REG_TAP_CTRL0 0x1c +#define AR71XX_DDR_REG_TAP_CTRL1 0x20 + +#define AR71XX_DDR_REG_PCI_WIN0 0x7c +#define AR71XX_DDR_REG_PCI_WIN1 0x80 +#define AR71XX_DDR_REG_PCI_WIN2 0x84 +#define AR71XX_DDR_REG_PCI_WIN3 0x88 +#define AR71XX_DDR_REG_PCI_WIN4 0x8c +#define AR71XX_DDR_REG_PCI_WIN5 0x90 +#define AR71XX_DDR_REG_PCI_WIN6 0x94 +#define AR71XX_DDR_REG_PCI_WIN7 0x98 +#define AR71XX_DDR_REG_FLUSH_GE0 0x9c +#define AR71XX_DDR_REG_FLUSH_GE1 0xa0 +#define AR71XX_DDR_REG_FLUSH_USB 0xa4 +#define AR71XX_DDR_REG_FLUSH_PCI 0xa8 + +#define AR724X_DDR_REG_FLUSH_GE0 0x7c +#define AR724X_DDR_REG_FLUSH_GE1 0x80 +#define AR724X_DDR_REG_FLUSH_USB 0x84 +#define AR724X_DDR_REG_FLUSH_PCIE 0x88 + +#define AR913X_DDR_REG_FLUSH_GE0 0x7c +#define AR913X_DDR_REG_FLUSH_GE1 0x80 +#define AR913X_DDR_REG_FLUSH_USB 0x84 +#define AR913X_DDR_REG_FLUSH_WMAC 0x88 + +#define AR933X_DDR_REG_FLUSH_GE0 0x7c +#define AR933X_DDR_REG_FLUSH_GE1 0x80 +#define AR933X_DDR_REG_FLUSH_USB 0x84 +#define AR933X_DDR_REG_FLUSH_WMAC 0x88 +#define AR933X_DDR_REG_DDR2_CONFIG 0x8c +#define AR933X_DDR_REG_EMR2 0x90 +#define AR933X_DDR_REG_EMR3 0x94 +#define AR933X_DDR_REG_BURST 0x98 +#define AR933X_DDR_REG_TIMEOUT_MAX 0x9c +#define AR933X_DDR_REG_TIMEOUT_CNT 0x9c +#define AR933X_DDR_REG_TIMEOUT_ADDR 0x9c + +#define AR934X_DDR_REG_TAP_CTRL2 0x24 +#define AR934X_DDR_REG_TAP_CTRL3 0x28 +#define AR934X_DDR_REG_FLUSH_GE0 0x9c +#define AR934X_DDR_REG_FLUSH_GE1 0xa0 +#define AR934X_DDR_REG_FLUSH_USB 0xa4 +#define AR934X_DDR_REG_FLUSH_PCIE 0xa8 +#define AR934X_DDR_REG_FLUSH_WMAC 0xac +#define AR934X_DDR_REG_FLUSH_SRC1 0xb0 +#define AR934X_DDR_REG_FLUSH_SRC2 0xb4 +#define AR934X_DDR_REG_DDR2_CONFIG 0xb8 +#define AR934X_DDR_REG_EMR2 0xbc +#define AR934X_DDR_REG_EMR3 0xc0 +#define AR934X_DDR_REG_BURST 0xc4 +#define AR934X_DDR_REG_BURST2 0xc8 +#define AR934X_DDR_REG_TIMEOUT_MAX 0xcc +#define AR934X_DDR_REG_CTL_CONF 0x108 + +#define QCA953X_DDR_REG_FLUSH_GE0 0x9c +#define QCA953X_DDR_REG_FLUSH_GE1 0xa0 +#define QCA953X_DDR_REG_FLUSH_USB 0xa4 +#define QCA953X_DDR_REG_FLUSH_PCIE 0xa8 +#define QCA953X_DDR_REG_FLUSH_WMAC 0xac +#define QCA953X_DDR_REG_DDR2_CONFIG 0xb8 +#define QCA953X_DDR_REG_BURST 0xc4 +#define QCA953X_DDR_REG_BURST2 0xc8 +#define QCA953X_DDR_REG_TIMEOUT_MAX 0xcc +#define QCA953X_DDR_REG_CTL_CONF 0x108 +#define QCA953X_DDR_REG_CONFIG3 0x15c + +#define QCA956X_DDR_REG_TAP_CTRL2 0x24 +#define QCA956X_DDR_REG_TAP_CTRL3 0x28 +#define QCA956X_DDR_REG_DDR2_CONFIG 0xb8 +#define QCA956X_DDR_REG_DDR2_EMR2 0xbc +#define QCA956X_DDR_REG_DDR2_EMR3 0xc0 +#define QCA956X_DDR_REG_BURST 0xc4 +#define QCA956X_DDR_REG_BURST2 0xc8 +#define QCA956X_DDR_REG_TIMEOUT_MAX 0xcc +#define QCA956X_DDR_REG_FSM_WAIT_CTRL 0xe4 +#define QCA956X_DDR_REG_CTL_CONF 0x108 +#define QCA956X_DDR_REG_DDR3_CONFIG 0x15c + +/* + * PLL block + */ +#define AR71XX_PLL_REG_CPU_CONFIG 0x00 +#define AR71XX_PLL_REG_SEC_CONFIG 0x04 +#define AR71XX_PLL_REG_ETH0_INT_CLOCK 0x10 +#define AR71XX_PLL_REG_ETH1_INT_CLOCK 0x14 + +#define AR71XX_PLL_DIV_SHIFT 3 +#define AR71XX_PLL_DIV_MASK 0x1f +#define AR71XX_CPU_DIV_SHIFT 16 +#define AR71XX_CPU_DIV_MASK 0x3 +#define AR71XX_DDR_DIV_SHIFT 18 +#define AR71XX_DDR_DIV_MASK 0x3 +#define AR71XX_AHB_DIV_SHIFT 20 +#define AR71XX_AHB_DIV_MASK 0x7 + +#define AR71XX_ETH0_PLL_SHIFT 17 +#define AR71XX_ETH1_PLL_SHIFT 19 + +#define AR724X_PLL_REG_CPU_CONFIG 0x00 +#define AR724X_PLL_REG_PCIE_CONFIG 0x18 + +#define AR724X_PLL_DIV_SHIFT 0 +#define AR724X_PLL_DIV_MASK 0x3ff +#define AR724X_PLL_REF_DIV_SHIFT 10 +#define AR724X_PLL_REF_DIV_MASK 0xf +#define AR724X_AHB_DIV_SHIFT 19 +#define AR724X_AHB_DIV_MASK 0x1 +#define AR724X_DDR_DIV_SHIFT 22 +#define AR724X_DDR_DIV_MASK 0x3 + +#define AR7242_PLL_REG_ETH0_INT_CLOCK 0x2c + +#define AR913X_PLL_REG_CPU_CONFIG 0x00 +#define AR913X_PLL_REG_ETH_CONFIG 0x04 +#define AR913X_PLL_REG_ETH0_INT_CLOCK 0x14 +#define AR913X_PLL_REG_ETH1_INT_CLOCK 0x18 + +#define AR913X_PLL_DIV_SHIFT 0 +#define AR913X_PLL_DIV_MASK 0x3ff +#define AR913X_DDR_DIV_SHIFT 22 +#define AR913X_DDR_DIV_MASK 0x3 +#define AR913X_AHB_DIV_SHIFT 19 +#define AR913X_AHB_DIV_MASK 0x1 + +#define AR913X_ETH0_PLL_SHIFT 20 +#define AR913X_ETH1_PLL_SHIFT 22 + +#define AR933X_PLL_CPU_CONFIG_REG 0x00 +#define AR933X_PLL_CLK_CTRL_REG 0x08 +#define AR933X_PLL_DITHER_FRAC_REG 0x10 +#define AR933X_PLL_SWITCH_CLOCK_CONTROL_REG 0x24 + +#define AR933X_PLL_CPU_CONFIG_NINT_SHIFT 10 +#define AR933X_PLL_CPU_CONFIG_NINT_MASK 0x3f +#define AR933X_PLL_CPU_CONFIG_REFDIV_SHIFT 16 +#define AR933X_PLL_CPU_CONFIG_REFDIV_MASK 0x1f +#define AR933X_PLL_CPU_CONFIG_OUTDIV_SHIFT 23 +#define AR933X_PLL_CPU_CONFIG_OUTDIV_MASK 0x7 + +#define AR933X_PLL_CLK_CTRL_BYPASS BIT(2) +#define AR933X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT 5 +#define AR933X_PLL_CLK_CTRL_CPU_POST_DIV_MASK 0x3 +#define AR933X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT 10 +#define AR933X_PLL_CLK_CTRL_DDR_POST_DIV_MASK 0x3 +#define AR933X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT 15 +#define AR933X_PLL_CLK_CTRL_AHB_POST_DIV_MASK 0x7 + +#define AR934X_PLL_CPU_CONFIG_REG 0x00 +#define AR934X_PLL_DDR_CONFIG_REG 0x04 +#define AR934X_PLL_CPU_DDR_CLK_CTRL_REG 0x08 +#define AR934X_PLL_SWITCH_CLOCK_CONTROL_REG 0x24 +#define AR934X_PLL_ETH_XMII_CONTROL_REG 0x2c +#define AR934X_PLL_DDR_DIT_FRAC_REG 0x44 +#define AR934X_PLL_CPU_DIT_FRAC_REG 0x48 + +#define AR934X_PLL_CPU_CONFIG_NFRAC_SHIFT 0 +#define AR934X_PLL_CPU_CONFIG_NFRAC_MASK 0x3f +#define AR934X_PLL_CPU_CONFIG_NINT_SHIFT 6 +#define AR934X_PLL_CPU_CONFIG_NINT_MASK 0x3f +#define AR934X_PLL_CPU_CONFIG_REFDIV_SHIFT 12 +#define AR934X_PLL_CPU_CONFIG_REFDIV_MASK 0x1f +#define AR934X_PLL_CPU_CONFIG_RANGE_SHIFT 17 +#define AR934X_PLL_CPU_CONFIG_RANGE_MASK 0x3 +#define AR934X_PLL_CPU_CONFIG_OUTDIV_SHIFT 19 +#define AR934X_PLL_CPU_CONFIG_OUTDIV_MASK 0x3 +#define AR934X_PLL_CPU_CONFIG_PLLPWD BIT(30) +#define AR934X_PLL_CPU_CONFIG_UPDATING BIT(31) + +#define AR934X_PLL_DDR_CONFIG_NFRAC_SHIFT 0 +#define AR934X_PLL_DDR_CONFIG_NFRAC_MASK 0x3ff +#define AR934X_PLL_DDR_CONFIG_NINT_SHIFT 10 +#define AR934X_PLL_DDR_CONFIG_NINT_MASK 0x3f +#define AR934X_PLL_DDR_CONFIG_REFDIV_SHIFT 16 +#define AR934X_PLL_DDR_CONFIG_REFDIV_MASK 0x1f +#define AR934X_PLL_DDR_CONFIG_RANGE_SHIFT 21 +#define AR934X_PLL_DDR_CONFIG_RANGE_MASK 0x3 +#define AR934X_PLL_DDR_CONFIG_OUTDIV_SHIFT 23 +#define AR934X_PLL_DDR_CONFIG_OUTDIV_MASK 0x7 +#define AR934X_PLL_DDR_CONFIG_PLLPWD BIT(30) +#define AR934X_PLL_DDR_CONFIG_UPDATING BIT(31) + +#define AR934X_PLL_CLK_CTRL_CPU_PLL_BYPASS BIT(2) +#define AR934X_PLL_CLK_CTRL_DDR_PLL_BYPASS BIT(3) +#define AR934X_PLL_CLK_CTRL_AHB_PLL_BYPASS BIT(4) +#define AR934X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT 5 +#define AR934X_PLL_CLK_CTRL_CPU_POST_DIV_MASK 0x1f +#define AR934X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT 10 +#define AR934X_PLL_CLK_CTRL_DDR_POST_DIV_MASK 0x1f +#define AR934X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT 15 +#define AR934X_PLL_CLK_CTRL_AHB_POST_DIV_MASK 0x1f +#define AR934X_PLL_CLK_CTRL_CPUCLK_FROM_CPUPLL BIT(20) +#define AR934X_PLL_CLK_CTRL_DDRCLK_FROM_DDRPLL BIT(21) +#define AR934X_PLL_CLK_CTRL_AHBCLK_FROM_DDRPLL BIT(24) + +#define AR934X_PLL_SWITCH_CLK_CTRL_MDIO_CLK_SEL BIT(6) + +#define AR934X_PLL_DDR_DIT_FRAC_MAX_SHIFT 0 +#define AR934X_PLL_DDR_DIT_FRAC_MAX_MASK 0x3ff +#define AR934X_PLL_DDR_DIT_FRAC_MIN_SHIFT 10 +#define AR934X_PLL_DDR_DIT_FRAC_MIN_MASK 0x3ff +#define AR934X_PLL_DDR_DIT_FRAC_STEP_SHIFT 20 +#define AR934X_PLL_DDR_DIT_FRAC_STEP_MASK 0x3f +#define AR934X_PLL_DDR_DIT_UPD_CNT_SHIFT 27 +#define AR934X_PLL_DDR_DIT_UPD_CNT_MASK 0x3f +#define AR934X_PLL_DDR_DIT_DITHER_EN BIT(31) + +#define AR934X_PLL_CPU_DIT_FRAC_MAX_SHIFT 0 +#define AR934X_PLL_CPU_DIT_FRAC_MAX_MASK 0x3f +#define AR934X_PLL_CPU_DIT_FRAC_MIN_SHIFT 6 +#define AR934X_PLL_CPU_DIT_FRAC_MIN_MASK 0x3f +#define AR934X_PLL_CPU_DIT_FRAC_STEP_SHIFT 12 +#define AR934X_PLL_CPU_DIT_FRAC_STEP_MASK 0x3f +#define AR934X_PLL_CPU_DIT_UPD_CNT_SHIFT 18 +#define AR934X_PLL_CPU_DIT_UPD_CNT_MASK 0x3f +#define AR934X_PLL_CPU_DIT_DITHER_EN BIT(31) + +#define QCA953X_PLL_CPU_CONFIG_REG 0x00 +#define QCA953X_PLL_DDR_CONFIG_REG 0x04 +#define QCA953X_PLL_CLK_CTRL_REG 0x08 +#define QCA953X_PLL_SWITCH_CLOCK_CONTROL_REG 0x24 +#define QCA953X_PLL_ETH_XMII_CONTROL_REG 0x2c +#define QCA953X_PLL_DDR_DIT_FRAC_REG 0x44 +#define QCA953X_PLL_CPU_DIT_FRAC_REG 0x48 + +#define QCA953X_PLL_CPU_CONFIG_NFRAC_SHIFT 0 +#define QCA953X_PLL_CPU_CONFIG_NFRAC_MASK 0x3f +#define QCA953X_PLL_CPU_CONFIG_NINT_SHIFT 6 +#define QCA953X_PLL_CPU_CONFIG_NINT_MASK 0x3f +#define QCA953X_PLL_CPU_CONFIG_REFDIV_SHIFT 12 +#define QCA953X_PLL_CPU_CONFIG_REFDIV_MASK 0x1f +#define QCA953X_PLL_CPU_CONFIG_OUTDIV_SHIFT 19 +#define QCA953X_PLL_CPU_CONFIG_OUTDIV_MASK 0x7 + +#define QCA953X_PLL_DDR_CONFIG_NFRAC_SHIFT 0 +#define QCA953X_PLL_DDR_CONFIG_NFRAC_MASK 0x3ff +#define QCA953X_PLL_DDR_CONFIG_NINT_SHIFT 10 +#define QCA953X_PLL_DDR_CONFIG_NINT_MASK 0x3f +#define QCA953X_PLL_DDR_CONFIG_REFDIV_SHIFT 16 +#define QCA953X_PLL_DDR_CONFIG_REFDIV_MASK 0x1f +#define QCA953X_PLL_DDR_CONFIG_OUTDIV_SHIFT 23 +#define QCA953X_PLL_DDR_CONFIG_OUTDIV_MASK 0x7 + +#define QCA953X_PLL_CONFIG_PWD BIT(30) + +#define QCA953X_PLL_CLK_CTRL_CPU_PLL_BYPASS BIT(2) +#define QCA953X_PLL_CLK_CTRL_DDR_PLL_BYPASS BIT(3) +#define QCA953X_PLL_CLK_CTRL_AHB_PLL_BYPASS BIT(4) +#define QCA953X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT 5 +#define QCA953X_PLL_CLK_CTRL_CPU_POST_DIV_MASK 0x1f +#define QCA953X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT 10 +#define QCA953X_PLL_CLK_CTRL_DDR_POST_DIV_MASK 0x1f +#define QCA953X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT 15 +#define QCA953X_PLL_CLK_CTRL_AHB_POST_DIV_MASK 0x1f +#define QCA953X_PLL_CLK_CTRL_CPUCLK_FROM_CPUPLL BIT(20) +#define QCA953X_PLL_CLK_CTRL_DDRCLK_FROM_DDRPLL BIT(21) +#define QCA953X_PLL_CLK_CTRL_AHBCLK_FROM_DDRPLL BIT(24) + +#define QCA953X_PLL_CPU_DIT_FRAC_MAX_SHIFT 0 +#define QCA953X_PLL_CPU_DIT_FRAC_MAX_MASK 0x3f +#define QCA953X_PLL_CPU_DIT_FRAC_MIN_SHIFT 6 +#define QCA953X_PLL_CPU_DIT_FRAC_MIN_MASK 0x3f +#define QCA953X_PLL_CPU_DIT_FRAC_STEP_SHIFT 12 +#define QCA953X_PLL_CPU_DIT_FRAC_STEP_MASK 0x3f +#define QCA953X_PLL_CPU_DIT_UPD_CNT_SHIFT 18 +#define QCA953X_PLL_CPU_DIT_UPD_CNT_MASK 0x3f + +#define QCA953X_PLL_DDR_DIT_FRAC_MAX_SHIFT 0 +#define QCA953X_PLL_DDR_DIT_FRAC_MAX_MASK 0x3ff +#define QCA953X_PLL_DDR_DIT_FRAC_MIN_SHIFT 9 +#define QCA953X_PLL_DDR_DIT_FRAC_MIN_MASK 0x3ff +#define QCA953X_PLL_DDR_DIT_FRAC_STEP_SHIFT 20 +#define QCA953X_PLL_DDR_DIT_FRAC_STEP_MASK 0x3f +#define QCA953X_PLL_DDR_DIT_UPD_CNT_SHIFT 27 +#define QCA953X_PLL_DDR_DIT_UPD_CNT_MASK 0x3f + +#define QCA953X_PLL_DIT_FRAC_EN BIT(31) + +#define QCA955X_PLL_CPU_CONFIG_REG 0x00 +#define QCA955X_PLL_DDR_CONFIG_REG 0x04 +#define QCA955X_PLL_CLK_CTRL_REG 0x08 +#define QCA955X_PLL_ETH_XMII_CONTROL_REG 0x28 +#define QCA955X_PLL_ETH_SGMII_CONTROL_REG 0x48 + +#define QCA955X_PLL_CPU_CONFIG_NFRAC_SHIFT 0 +#define QCA955X_PLL_CPU_CONFIG_NFRAC_MASK 0x3f +#define QCA955X_PLL_CPU_CONFIG_NINT_SHIFT 6 +#define QCA955X_PLL_CPU_CONFIG_NINT_MASK 0x3f +#define QCA955X_PLL_CPU_CONFIG_REFDIV_SHIFT 12 +#define QCA955X_PLL_CPU_CONFIG_REFDIV_MASK 0x1f +#define QCA955X_PLL_CPU_CONFIG_OUTDIV_SHIFT 19 +#define QCA955X_PLL_CPU_CONFIG_OUTDIV_MASK 0x3 + +#define QCA955X_PLL_DDR_CONFIG_NFRAC_SHIFT 0 +#define QCA955X_PLL_DDR_CONFIG_NFRAC_MASK 0x3ff +#define QCA955X_PLL_DDR_CONFIG_NINT_SHIFT 10 +#define QCA955X_PLL_DDR_CONFIG_NINT_MASK 0x3f +#define QCA955X_PLL_DDR_CONFIG_REFDIV_SHIFT 16 +#define QCA955X_PLL_DDR_CONFIG_REFDIV_MASK 0x1f +#define QCA955X_PLL_DDR_CONFIG_OUTDIV_SHIFT 23 +#define QCA955X_PLL_DDR_CONFIG_OUTDIV_MASK 0x7 + +#define QCA955X_PLL_CLK_CTRL_CPU_PLL_BYPASS BIT(2) +#define QCA955X_PLL_CLK_CTRL_DDR_PLL_BYPASS BIT(3) +#define QCA955X_PLL_CLK_CTRL_AHB_PLL_BYPASS BIT(4) +#define QCA955X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT 5 +#define QCA955X_PLL_CLK_CTRL_CPU_POST_DIV_MASK 0x1f +#define QCA955X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT 10 +#define QCA955X_PLL_CLK_CTRL_DDR_POST_DIV_MASK 0x1f +#define QCA955X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT 15 +#define QCA955X_PLL_CLK_CTRL_AHB_POST_DIV_MASK 0x1f +#define QCA955X_PLL_CLK_CTRL_CPUCLK_FROM_CPUPLL BIT(20) +#define QCA955X_PLL_CLK_CTRL_DDRCLK_FROM_DDRPLL BIT(21) +#define QCA955X_PLL_CLK_CTRL_AHBCLK_FROM_DDRPLL BIT(24) + +#define QCA956X_PLL_CPU_CONFIG_REG 0x00 +#define QCA956X_PLL_CPU_CONFIG1_REG 0x04 +#define QCA956X_PLL_DDR_CONFIG_REG 0x08 +#define QCA956X_PLL_DDR_CONFIG1_REG 0x0c +#define QCA956X_PLL_CLK_CTRL_REG 0x10 +#define QCA956X_PLL_SWITCH_CLK_CTRL_REG 0x28 +#define QCA956X_PLL_ETH_XMII_CTRL_REG 0x30 +#define QCA956X_PLL_DDR_DIT_FRAC_REG 0x38 +#define QCA956X_PLL_DDR_DIT2_FRAC_REG 0x3c +#define QCA956X_PLL_CPU_DIT_FRAC_REG 0x40 +#define QCA956X_PLL_CPU_DIT2_FRAC_REG 0x44 +#define QCA956X_PLL_ETH_SGMII_SERDES_REG 0x4c + +#define QCA956X_PLL_CPU_CONFIG_REFDIV_SHIFT 12 +#define QCA956X_PLL_CPU_CONFIG_REFDIV_MASK 0x1f +#define QCA956X_PLL_CPU_CONFIG_OUTDIV_SHIFT 19 +#define QCA956X_PLL_CPU_CONFIG_OUTDIV_MASK 0x7 + +#define QCA956X_PLL_CPU_CONFIG1_NFRAC_L_SHIFT 0 +#define QCA956X_PLL_CPU_CONFIG1_NFRAC_L_MASK 0x1f +#define QCA956X_PLL_CPU_CONFIG1_NFRAC_H_SHIFT 5 +#define QCA956X_PLL_CPU_CONFIG1_NFRAC_H_MASK 0x1fff +#define QCA956X_PLL_CPU_CONFIG1_NINT_SHIFT 18 +#define QCA956X_PLL_CPU_CONFIG1_NINT_MASK 0x1ff + +#define QCA956X_PLL_DDR_CONFIG_REFDIV_SHIFT 16 +#define QCA956X_PLL_DDR_CONFIG_REFDIV_MASK 0x1f +#define QCA956X_PLL_DDR_CONFIG_OUTDIV_SHIFT 23 +#define QCA956X_PLL_DDR_CONFIG_OUTDIV_MASK 0x7 + +#define QCA956X_PLL_DDR_CONFIG1_NFRAC_L_SHIFT 0 +#define QCA956X_PLL_DDR_CONFIG1_NFRAC_L_MASK 0x1f +#define QCA956X_PLL_DDR_CONFIG1_NFRAC_H_SHIFT 5 +#define QCA956X_PLL_DDR_CONFIG1_NFRAC_H_MASK 0x1fff +#define QCA956X_PLL_DDR_CONFIG1_NINT_SHIFT 18 +#define QCA956X_PLL_DDR_CONFIG1_NINT_MASK 0x1ff + +#define QCA956X_PLL_CLK_CTRL_CPU_PLL_BYPASS BIT(2) +#define QCA956X_PLL_CLK_CTRL_DDR_PLL_BYPASS BIT(3) +#define QCA956X_PLL_CLK_CTRL_AHB_PLL_BYPASS BIT(4) +#define QCA956X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT 5 +#define QCA956X_PLL_CLK_CTRL_CPU_POST_DIV_MASK 0x1f +#define QCA956X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT 10 +#define QCA956X_PLL_CLK_CTRL_DDR_POST_DIV_MASK 0x1f +#define QCA956X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT 15 +#define QCA956X_PLL_CLK_CTRL_AHB_POST_DIV_MASK 0x1f +#define QCA956X_PLL_CLK_CTRL_CPU_DDRCLK_FROM_DDRPLL BIT(20) +#define QCA956X_PLL_CLK_CTRL_CPU_DDRCLK_FROM_CPUPLL BIT(21) +#define QCA956X_PLL_CLK_CTRL_AHBCLK_FROM_DDRPLL BIT(24) + +/* + * USB_CONFIG block + */ +#define AR71XX_USB_CTRL_REG_FLADJ 0x00 +#define AR71XX_USB_CTRL_REG_CONFIG 0x04 + +/* + * RESET block + */ +#define AR71XX_RESET_REG_TIMER 0x00 +#define AR71XX_RESET_REG_TIMER_RELOAD 0x04 +#define AR71XX_RESET_REG_WDOG_CTRL 0x08 +#define AR71XX_RESET_REG_WDOG 0x0c +#define AR71XX_RESET_REG_MISC_INT_STATUS 0x10 +#define AR71XX_RESET_REG_MISC_INT_ENABLE 0x14 +#define AR71XX_RESET_REG_PCI_INT_STATUS 0x18 +#define AR71XX_RESET_REG_PCI_INT_ENABLE 0x1c +#define AR71XX_RESET_REG_GLOBAL_INT_STATUS 0x20 +#define AR71XX_RESET_REG_RESET_MODULE 0x24 +#define AR71XX_RESET_REG_PERFC_CTRL 0x2c +#define AR71XX_RESET_REG_PERFC0 0x30 +#define AR71XX_RESET_REG_PERFC1 0x34 +#define AR71XX_RESET_REG_REV_ID 0x90 + +#define AR913X_RESET_REG_GLOBAL_INT_STATUS 0x18 +#define AR913X_RESET_REG_RESET_MODULE 0x1c +#define AR913X_RESET_REG_PERF_CTRL 0x20 +#define AR913X_RESET_REG_PERFC0 0x24 +#define AR913X_RESET_REG_PERFC1 0x28 + +#define AR724X_RESET_REG_RESET_MODULE 0x1c + +#define AR933X_RESET_REG_RESET_MODULE 0x1c +#define AR933X_RESET_REG_BOOTSTRAP 0xac + +#define AR934X_RESET_REG_RESET_MODULE 0x1c +#define AR934X_RESET_REG_BOOTSTRAP 0xb0 +#define AR934X_RESET_REG_PCIE_WMAC_INT_STATUS 0xac + +#define QCA953X_RESET_REG_RESET_MODULE 0x1c +#define QCA953X_RESET_REG_BOOTSTRAP 0xb0 +#define QCA953X_RESET_REG_PCIE_WMAC_INT_STATUS 0xac + +#define QCA955X_RESET_REG_RESET_MODULE 0x1c +#define QCA955X_RESET_REG_BOOTSTRAP 0xb0 +#define QCA955X_RESET_REG_EXT_INT_STATUS 0xac + +#define QCA956X_RESET_REG_RESET_MODULE 0x1c +#define QCA956X_RESET_REG_BOOTSTRAP 0xb0 +#define QCA956X_RESET_REG_EXT_INT_STATUS 0xac + +#define MISC_INT_MIPS_SI_TIMERINT_MASK BIT(28) +#define MISC_INT_ETHSW BIT(12) +#define MISC_INT_TIMER4 BIT(10) +#define MISC_INT_TIMER3 BIT(9) +#define MISC_INT_TIMER2 BIT(8) +#define MISC_INT_DMA BIT(7) +#define MISC_INT_OHCI BIT(6) +#define MISC_INT_PERFC BIT(5) +#define MISC_INT_WDOG BIT(4) +#define MISC_INT_UART BIT(3) +#define MISC_INT_GPIO BIT(2) +#define MISC_INT_ERROR BIT(1) +#define MISC_INT_TIMER BIT(0) + +#define AR71XX_RESET_EXTERNAL BIT(28) +#define AR71XX_RESET_FULL_CHIP BIT(24) +#define AR71XX_RESET_CPU_NMI BIT(21) +#define AR71XX_RESET_CPU_COLD BIT(20) +#define AR71XX_RESET_DMA BIT(19) +#define AR71XX_RESET_SLIC BIT(18) +#define AR71XX_RESET_STEREO BIT(17) +#define AR71XX_RESET_DDR BIT(16) +#define AR71XX_RESET_GE1_MAC BIT(13) +#define AR71XX_RESET_GE1_PHY BIT(12) +#define AR71XX_RESET_USBSUS_OVERRIDE BIT(10) +#define AR71XX_RESET_GE0_MAC BIT(9) +#define AR71XX_RESET_GE0_PHY BIT(8) +#define AR71XX_RESET_USB_OHCI_DLL BIT(6) +#define AR71XX_RESET_USB_HOST BIT(5) +#define AR71XX_RESET_USB_PHY BIT(4) +#define AR71XX_RESET_PCI_BUS BIT(1) +#define AR71XX_RESET_PCI_CORE BIT(0) + +#define AR7240_RESET_USB_HOST BIT(5) +#define AR7240_RESET_OHCI_DLL BIT(3) + +#define AR724X_RESET_GE1_MDIO BIT(23) +#define AR724X_RESET_GE0_MDIO BIT(22) +#define AR724X_RESET_PCIE_PHY_SERIAL BIT(10) +#define AR724X_RESET_PCIE_PHY BIT(7) +#define AR724X_RESET_PCIE BIT(6) +#define AR724X_RESET_USB_HOST BIT(5) +#define AR724X_RESET_USB_PHY BIT(4) +#define AR724X_RESET_USBSUS_OVERRIDE BIT(3) + +#define AR913X_RESET_AMBA2WMAC BIT(22) +#define AR913X_RESET_USBSUS_OVERRIDE BIT(10) +#define AR913X_RESET_USB_HOST BIT(5) +#define AR913X_RESET_USB_PHY BIT(4) + +#define AR933X_RESET_GE1_MDIO BIT(23) +#define AR933X_RESET_GE0_MDIO BIT(22) +#define AR933X_RESET_ETH_SWITCH_ANALOG BIT(14) +#define AR933X_RESET_GE1_MAC BIT(13) +#define AR933X_RESET_WMAC BIT(11) +#define AR933X_RESET_GE0_MAC BIT(9) +#define AR933X_RESET_ETH_SWITCH BIT(8) +#define AR933X_RESET_USB_HOST BIT(5) +#define AR933X_RESET_USB_PHY BIT(4) +#define AR933X_RESET_USBSUS_OVERRIDE BIT(3) + +#define AR934X_RESET_HOST BIT(31) +#define AR934X_RESET_SLIC BIT(30) +#define AR934X_RESET_HDMA BIT(29) +#define AR934X_RESET_EXTERNAL BIT(28) +#define AR934X_RESET_RTC BIT(27) +#define AR934X_RESET_PCIE_EP_INT BIT(26) +#define AR934X_RESET_CHKSUM_ACC BIT(25) +#define AR934X_RESET_FULL_CHIP BIT(24) +#define AR934X_RESET_GE1_MDIO BIT(23) +#define AR934X_RESET_GE0_MDIO BIT(22) +#define AR934X_RESET_CPU_NMI BIT(21) +#define AR934X_RESET_CPU_COLD BIT(20) +#define AR934X_RESET_HOST_RESET_INT BIT(19) +#define AR934X_RESET_PCIE_EP BIT(18) +#define AR934X_RESET_UART1 BIT(17) +#define AR934X_RESET_DDR BIT(16) +#define AR934X_RESET_USB_PHY_PLL_PWD_EXT BIT(15) +#define AR934X_RESET_NANDF BIT(14) +#define AR934X_RESET_GE1_MAC BIT(13) +#define AR934X_RESET_ETH_SWITCH_ANALOG BIT(12) +#define AR934X_RESET_USB_PHY_ANALOG BIT(11) +#define AR934X_RESET_HOST_DMA_INT BIT(10) +#define AR934X_RESET_GE0_MAC BIT(9) +#define AR934X_RESET_ETH_SWITCH BIT(8) +#define AR934X_RESET_PCIE_PHY BIT(7) +#define AR934X_RESET_PCIE BIT(6) +#define AR934X_RESET_USB_HOST BIT(5) +#define AR934X_RESET_USB_PHY BIT(4) +#define AR934X_RESET_USBSUS_OVERRIDE BIT(3) +#define AR934X_RESET_LUT BIT(2) +#define AR934X_RESET_MBOX BIT(1) +#define AR934X_RESET_I2S BIT(0) + +#define QCA953X_RESET_USB_EXT_PWR BIT(29) +#define QCA953X_RESET_EXTERNAL BIT(28) +#define QCA953X_RESET_RTC BIT(27) +#define QCA953X_RESET_FULL_CHIP BIT(24) +#define QCA953X_RESET_GE1_MDIO BIT(23) +#define QCA953X_RESET_GE0_MDIO BIT(22) +#define QCA953X_RESET_CPU_NMI BIT(21) +#define QCA953X_RESET_CPU_COLD BIT(20) +#define QCA953X_RESET_DDR BIT(16) +#define QCA953X_RESET_USB_PHY_PLL_PWD_EXT BIT(15) +#define QCA953X_RESET_GE1_MAC BIT(13) +#define QCA953X_RESET_ETH_SWITCH_ANALOG BIT(12) +#define QCA953X_RESET_USB_PHY_ANALOG BIT(11) +#define QCA953X_RESET_GE0_MAC BIT(9) +#define QCA953X_RESET_ETH_SWITCH BIT(8) +#define QCA953X_RESET_PCIE_PHY BIT(7) +#define QCA953X_RESET_PCIE BIT(6) +#define QCA953X_RESET_USB_HOST BIT(5) +#define QCA953X_RESET_USB_PHY BIT(4) +#define QCA953X_RESET_USBSUS_OVERRIDE BIT(3) + +#define QCA955X_RESET_HOST BIT(31) +#define QCA955X_RESET_SLIC BIT(30) +#define QCA955X_RESET_HDMA BIT(29) +#define QCA955X_RESET_EXTERNAL BIT(28) +#define QCA955X_RESET_RTC BIT(27) +#define QCA955X_RESET_PCIE_EP_INT BIT(26) +#define QCA955X_RESET_CHKSUM_ACC BIT(25) +#define QCA955X_RESET_FULL_CHIP BIT(24) +#define QCA955X_RESET_GE1_MDIO BIT(23) +#define QCA955X_RESET_GE0_MDIO BIT(22) +#define QCA955X_RESET_CPU_NMI BIT(21) +#define QCA955X_RESET_CPU_COLD BIT(20) +#define QCA955X_RESET_HOST_RESET_INT BIT(19) +#define QCA955X_RESET_PCIE_EP BIT(18) +#define QCA955X_RESET_UART1 BIT(17) +#define QCA955X_RESET_DDR BIT(16) +#define QCA955X_RESET_USB_PHY_PLL_PWD_EXT BIT(15) +#define QCA955X_RESET_NANDF BIT(14) +#define QCA955X_RESET_GE1_MAC BIT(13) +#define QCA955X_RESET_SGMII_ANALOG BIT(12) +#define QCA955X_RESET_USB_PHY_ANALOG BIT(11) +#define QCA955X_RESET_HOST_DMA_INT BIT(10) +#define QCA955X_RESET_GE0_MAC BIT(9) +#define QCA955X_RESET_SGMII BIT(8) +#define QCA955X_RESET_PCIE_PHY BIT(7) +#define QCA955X_RESET_PCIE BIT(6) +#define QCA955X_RESET_USB_HOST BIT(5) +#define QCA955X_RESET_USB_PHY BIT(4) +#define QCA955X_RESET_USBSUS_OVERRIDE BIT(3) +#define QCA955X_RESET_LUT BIT(2) +#define QCA955X_RESET_MBOX BIT(1) +#define QCA955X_RESET_I2S BIT(0) + +#define QCA956X_RESET_EXTERNAL BIT(28) +#define QCA956X_RESET_FULL_CHIP BIT(24) +#define QCA956X_RESET_GE1_MDIO BIT(23) /* Reserved in datasheet */ +#define QCA956X_RESET_GE0_MDIO BIT(22) +#define QCA956X_RESET_GE1_MAC BIT(13) /* Reserved in datasheet */ +#define QCA956X_RESET_SGMII_ASSERT BIT(12) +#define QCA956X_RESET_GE0_MAC BIT(9) +#define QCA956X_RESET_SGMII BIT(8) +#define QCA956X_RESET_SGMII_ANALOG BIT(2) +#define QCA956X_RESET_SWITCH BIT(0) + +#define AR933X_BOOTSTRAP_MDIO_GPIO_EN BIT(18) +#define AR933X_BOOTSTRAP_DDR2 BIT(13) +#define AR933X_BOOTSTRAP_EEPBUSY BIT(4) +#define AR933X_BOOTSTRAP_REF_CLK_40 BIT(0) + +#define AR934X_BOOTSTRAP_SW_OPTION8 BIT(23) +#define AR934X_BOOTSTRAP_SW_OPTION7 BIT(22) +#define AR934X_BOOTSTRAP_SW_OPTION6 BIT(21) +#define AR934X_BOOTSTRAP_SW_OPTION5 BIT(20) +#define AR934X_BOOTSTRAP_SW_OPTION4 BIT(19) +#define AR934X_BOOTSTRAP_SW_OPTION3 BIT(18) +#define AR934X_BOOTSTRAP_SW_OPTION2 BIT(17) +#define AR934X_BOOTSTRAP_SW_OPTION1 BIT(16) +#define AR934X_BOOTSTRAP_USB_MODE_DEVICE BIT(7) +#define AR934X_BOOTSTRAP_PCIE_RC BIT(6) +#define AR934X_BOOTSTRAP_EJTAG_MODE BIT(5) +#define AR934X_BOOTSTRAP_REF_CLK_40 BIT(4) +#define AR934X_BOOTSTRAP_BOOT_FROM_SPI BIT(2) +#define AR934X_BOOTSTRAP_SDRAM_DISABLED BIT(1) +#define AR934X_BOOTSTRAP_DDR1 BIT(0) + +#define QCA953X_BOOTSTRAP_SW_OPTION2 BIT(12) +#define QCA953X_BOOTSTRAP_SW_OPTION1 BIT(11) +#define QCA953X_BOOTSTRAP_EJTAG_MODE BIT(5) +#define QCA953X_BOOTSTRAP_REF_CLK_40 BIT(4) +#define QCA953X_BOOTSTRAP_SDRAM_DISABLED BIT(1) +#define QCA953X_BOOTSTRAP_DDR1 BIT(0) + +#define QCA955X_BOOTSTRAP_REF_CLK_40 BIT(4) + +#define QCA956X_BOOTSTRAP_REF_CLK_40 BIT(2) + +#define AR934X_PCIE_WMAC_INT_WMAC_MISC BIT(0) +#define AR934X_PCIE_WMAC_INT_WMAC_TX BIT(1) +#define AR934X_PCIE_WMAC_INT_WMAC_RXLP BIT(2) +#define AR934X_PCIE_WMAC_INT_WMAC_RXHP BIT(3) +#define AR934X_PCIE_WMAC_INT_PCIE_RC BIT(4) +#define AR934X_PCIE_WMAC_INT_PCIE_RC0 BIT(5) +#define AR934X_PCIE_WMAC_INT_PCIE_RC1 BIT(6) +#define AR934X_PCIE_WMAC_INT_PCIE_RC2 BIT(7) +#define AR934X_PCIE_WMAC_INT_PCIE_RC3 BIT(8) +#define AR934X_PCIE_WMAC_INT_WMAC_ALL \ + (AR934X_PCIE_WMAC_INT_WMAC_MISC | AR934X_PCIE_WMAC_INT_WMAC_TX | \ + AR934X_PCIE_WMAC_INT_WMAC_RXLP | AR934X_PCIE_WMAC_INT_WMAC_RXHP) + +#define AR934X_PCIE_WMAC_INT_PCIE_ALL \ + (AR934X_PCIE_WMAC_INT_PCIE_RC | AR934X_PCIE_WMAC_INT_PCIE_RC0 | \ + AR934X_PCIE_WMAC_INT_PCIE_RC1 | AR934X_PCIE_WMAC_INT_PCIE_RC2 | \ + AR934X_PCIE_WMAC_INT_PCIE_RC3) + +#define QCA953X_PCIE_WMAC_INT_WMAC_MISC BIT(0) +#define QCA953X_PCIE_WMAC_INT_WMAC_TX BIT(1) +#define QCA953X_PCIE_WMAC_INT_WMAC_RXLP BIT(2) +#define QCA953X_PCIE_WMAC_INT_WMAC_RXHP BIT(3) +#define QCA953X_PCIE_WMAC_INT_PCIE_RC BIT(4) +#define QCA953X_PCIE_WMAC_INT_PCIE_RC0 BIT(5) +#define QCA953X_PCIE_WMAC_INT_PCIE_RC1 BIT(6) +#define QCA953X_PCIE_WMAC_INT_PCIE_RC2 BIT(7) +#define QCA953X_PCIE_WMAC_INT_PCIE_RC3 BIT(8) +#define QCA953X_PCIE_WMAC_INT_WMAC_ALL \ + (QCA953X_PCIE_WMAC_INT_WMAC_MISC | QCA953X_PCIE_WMAC_INT_WMAC_TX | \ + QCA953X_PCIE_WMAC_INT_WMAC_RXLP | QCA953X_PCIE_WMAC_INT_WMAC_RXHP) + +#define QCA953X_PCIE_WMAC_INT_PCIE_ALL \ + (QCA953X_PCIE_WMAC_INT_PCIE_RC | QCA953X_PCIE_WMAC_INT_PCIE_RC0 | \ + QCA953X_PCIE_WMAC_INT_PCIE_RC1 | QCA953X_PCIE_WMAC_INT_PCIE_RC2 | \ + QCA953X_PCIE_WMAC_INT_PCIE_RC3) + +#define QCA955X_EXT_INT_WMAC_MISC BIT(0) +#define QCA955X_EXT_INT_WMAC_TX BIT(1) +#define QCA955X_EXT_INT_WMAC_RXLP BIT(2) +#define QCA955X_EXT_INT_WMAC_RXHP BIT(3) +#define QCA955X_EXT_INT_PCIE_RC1 BIT(4) +#define QCA955X_EXT_INT_PCIE_RC1_INT0 BIT(5) +#define QCA955X_EXT_INT_PCIE_RC1_INT1 BIT(6) +#define QCA955X_EXT_INT_PCIE_RC1_INT2 BIT(7) +#define QCA955X_EXT_INT_PCIE_RC1_INT3 BIT(8) +#define QCA955X_EXT_INT_PCIE_RC2 BIT(12) +#define QCA955X_EXT_INT_PCIE_RC2_INT0 BIT(13) +#define QCA955X_EXT_INT_PCIE_RC2_INT1 BIT(14) +#define QCA955X_EXT_INT_PCIE_RC2_INT2 BIT(15) +#define QCA955X_EXT_INT_PCIE_RC2_INT3 BIT(16) +#define QCA955X_EXT_INT_USB1 BIT(24) +#define QCA955X_EXT_INT_USB2 BIT(28) + +#define QCA955X_EXT_INT_WMAC_ALL \ + (QCA955X_EXT_INT_WMAC_MISC | QCA955X_EXT_INT_WMAC_TX | \ + QCA955X_EXT_INT_WMAC_RXLP | QCA955X_EXT_INT_WMAC_RXHP) + +#define QCA955X_EXT_INT_PCIE_RC1_ALL \ + (QCA955X_EXT_INT_PCIE_RC1 | QCA955X_EXT_INT_PCIE_RC1_INT0 | \ + QCA955X_EXT_INT_PCIE_RC1_INT1 | QCA955X_EXT_INT_PCIE_RC1_INT2 | \ + QCA955X_EXT_INT_PCIE_RC1_INT3) + +#define QCA955X_EXT_INT_PCIE_RC2_ALL \ + (QCA955X_EXT_INT_PCIE_RC2 | QCA955X_EXT_INT_PCIE_RC2_INT0 | \ + QCA955X_EXT_INT_PCIE_RC2_INT1 | QCA955X_EXT_INT_PCIE_RC2_INT2 | \ + QCA955X_EXT_INT_PCIE_RC2_INT3) + +#define QCA956X_EXT_INT_WMAC_MISC BIT(0) +#define QCA956X_EXT_INT_WMAC_TX BIT(1) +#define QCA956X_EXT_INT_WMAC_RXLP BIT(2) +#define QCA956X_EXT_INT_WMAC_RXHP BIT(3) +#define QCA956X_EXT_INT_PCIE_RC1 BIT(4) +#define QCA956X_EXT_INT_PCIE_RC1_INT0 BIT(5) +#define QCA956X_EXT_INT_PCIE_RC1_INT1 BIT(6) +#define QCA956X_EXT_INT_PCIE_RC1_INT2 BIT(7) +#define QCA956X_EXT_INT_PCIE_RC1_INT3 BIT(8) +#define QCA956X_EXT_INT_PCIE_RC2 BIT(12) +#define QCA956X_EXT_INT_PCIE_RC2_INT0 BIT(13) +#define QCA956X_EXT_INT_PCIE_RC2_INT1 BIT(14) +#define QCA956X_EXT_INT_PCIE_RC2_INT2 BIT(15) +#define QCA956X_EXT_INT_PCIE_RC2_INT3 BIT(16) +#define QCA956X_EXT_INT_USB1 BIT(24) +#define QCA956X_EXT_INT_USB2 BIT(28) + +#define QCA956X_EXT_INT_WMAC_ALL \ + (QCA956X_EXT_INT_WMAC_MISC | QCA956X_EXT_INT_WMAC_TX | \ + QCA956X_EXT_INT_WMAC_RXLP | QCA956X_EXT_INT_WMAC_RXHP) + +#define QCA956X_EXT_INT_PCIE_RC1_ALL \ + (QCA956X_EXT_INT_PCIE_RC1 | QCA956X_EXT_INT_PCIE_RC1_INT0 | \ + QCA956X_EXT_INT_PCIE_RC1_INT1 | QCA956X_EXT_INT_PCIE_RC1_INT2 | \ + QCA956X_EXT_INT_PCIE_RC1_INT3) + +#define QCA956X_EXT_INT_PCIE_RC2_ALL \ + (QCA956X_EXT_INT_PCIE_RC2 | QCA956X_EXT_INT_PCIE_RC2_INT0 | \ + QCA956X_EXT_INT_PCIE_RC2_INT1 | QCA956X_EXT_INT_PCIE_RC2_INT2 | \ + QCA956X_EXT_INT_PCIE_RC2_INT3) + +#define REV_ID_MAJOR_MASK 0xfff0 +#define REV_ID_MAJOR_AR71XX 0x00a0 +#define REV_ID_MAJOR_AR913X 0x00b0 +#define REV_ID_MAJOR_AR7240 0x00c0 +#define REV_ID_MAJOR_AR7241 0x0100 +#define REV_ID_MAJOR_AR7242 0x1100 +#define REV_ID_MAJOR_AR9330 0x0110 +#define REV_ID_MAJOR_AR9331 0x1110 +#define REV_ID_MAJOR_AR9341 0x0120 +#define REV_ID_MAJOR_AR9342 0x1120 +#define REV_ID_MAJOR_AR9344 0x2120 +#define REV_ID_MAJOR_QCA9533 0x0140 +#define REV_ID_MAJOR_QCA9533_V2 0x0160 +#define REV_ID_MAJOR_QCA9556 0x0130 +#define REV_ID_MAJOR_QCA9558 0x1130 +#define REV_ID_MAJOR_TP9343 0x0150 +#define REV_ID_MAJOR_QCA9561 0x1150 + +#define AR71XX_REV_ID_MINOR_MASK 0x3 +#define AR71XX_REV_ID_MINOR_AR7130 0x0 +#define AR71XX_REV_ID_MINOR_AR7141 0x1 +#define AR71XX_REV_ID_MINOR_AR7161 0x2 +#define AR913X_REV_ID_MINOR_AR9130 0x0 +#define AR913X_REV_ID_MINOR_AR9132 0x1 + +#define AR71XX_REV_ID_REVISION_MASK 0x3 +#define AR71XX_REV_ID_REVISION_SHIFT 2 +#define AR71XX_REV_ID_REVISION2_MASK 0xf + +/* + * RTC block + */ +#define AR933X_RTC_REG_RESET 0x40 +#define AR933X_RTC_REG_STATUS 0x44 +#define AR933X_RTC_REG_DERIVED 0x48 +#define AR933X_RTC_REG_FORCE_WAKE 0x4c +#define AR933X_RTC_REG_INT_CAUSE 0x50 +#define AR933X_RTC_REG_CAUSE_CLR 0x50 +#define AR933X_RTC_REG_INT_ENABLE 0x54 +#define AR933X_RTC_REG_INT_MASKE 0x58 + +#define QCA953X_RTC_REG_SYNC_RESET 0x40 +#define QCA953X_RTC_REG_SYNC_STATUS 0x44 + +/* + * SPI block + */ +#define AR71XX_SPI_REG_FS 0x00 +#define AR71XX_SPI_REG_CTRL 0x04 +#define AR71XX_SPI_REG_IOC 0x08 +#define AR71XX_SPI_REG_RDS 0x0c + +#define AR71XX_SPI_FS_GPIO BIT(0) + +#define AR71XX_SPI_CTRL_RD BIT(6) +#define AR71XX_SPI_CTRL_DIV_MASK 0x3f + +#define AR71XX_SPI_IOC_DO BIT(0) +#define AR71XX_SPI_IOC_CLK BIT(8) +#define AR71XX_SPI_IOC_CS(n) BIT(16 + (n)) +#define AR71XX_SPI_IOC_CS0 AR71XX_SPI_IOC_CS(0) +#define AR71XX_SPI_IOC_CS1 AR71XX_SPI_IOC_CS(1) +#define AR71XX_SPI_IOC_CS2 AR71XX_SPI_IOC_CS(2) +#define AR71XX_SPI_IOC_CS_ALL \ + (AR71XX_SPI_IOC_CS0 | AR71XX_SPI_IOC_CS1 | AR71XX_SPI_IOC_CS2) + +/* + * GPIO block + */ +#define AR71XX_GPIO_REG_OE 0x00 +#define AR71XX_GPIO_REG_IN 0x04 +#define AR71XX_GPIO_REG_OUT 0x08 +#define AR71XX_GPIO_REG_SET 0x0c +#define AR71XX_GPIO_REG_CLEAR 0x10 +#define AR71XX_GPIO_REG_INT_MODE 0x14 +#define AR71XX_GPIO_REG_INT_TYPE 0x18 +#define AR71XX_GPIO_REG_INT_POLARITY 0x1c +#define AR71XX_GPIO_REG_INT_PENDING 0x20 +#define AR71XX_GPIO_REG_INT_ENABLE 0x24 +#define AR71XX_GPIO_REG_FUNC 0x28 +#define AR933X_GPIO_REG_FUNC 0x30 + +#define AR934X_GPIO_REG_OUT_FUNC0 0x2c +#define AR934X_GPIO_REG_OUT_FUNC1 0x30 +#define AR934X_GPIO_REG_OUT_FUNC2 0x34 +#define AR934X_GPIO_REG_OUT_FUNC3 0x38 +#define AR934X_GPIO_REG_OUT_FUNC4 0x3c +#define AR934X_GPIO_REG_OUT_FUNC5 0x40 +#define AR934X_GPIO_REG_FUNC 0x6c + +#define QCA953X_GPIO_REG_OUT_FUNC0 0x2c +#define QCA953X_GPIO_REG_OUT_FUNC1 0x30 +#define QCA953X_GPIO_REG_OUT_FUNC2 0x34 +#define QCA953X_GPIO_REG_OUT_FUNC3 0x38 +#define QCA953X_GPIO_REG_OUT_FUNC4 0x3c +#define QCA953X_GPIO_REG_IN_ENABLE0 0x44 +#define QCA953X_GPIO_REG_FUNC 0x6c + +#define QCA955X_GPIO_REG_OUT_FUNC0 0x2c +#define QCA955X_GPIO_REG_OUT_FUNC1 0x30 +#define QCA955X_GPIO_REG_OUT_FUNC2 0x34 +#define QCA955X_GPIO_REG_OUT_FUNC3 0x38 +#define QCA955X_GPIO_REG_OUT_FUNC4 0x3c +#define QCA955X_GPIO_REG_OUT_FUNC5 0x40 +#define QCA955X_GPIO_REG_FUNC 0x6c + +#define QCA956X_GPIO_REG_OUT_FUNC0 0x2c +#define QCA956X_GPIO_REG_OUT_FUNC1 0x30 +#define QCA956X_GPIO_REG_OUT_FUNC2 0x34 +#define QCA956X_GPIO_REG_OUT_FUNC3 0x38 +#define QCA956X_GPIO_REG_OUT_FUNC4 0x3c +#define QCA956X_GPIO_REG_OUT_FUNC5 0x40 +#define QCA956X_GPIO_REG_IN_ENABLE0 0x44 +#define QCA956X_GPIO_REG_IN_ENABLE3 0x50 +#define QCA956X_GPIO_REG_FUNC 0x6c + +#define AR71XX_GPIO_FUNC_STEREO_EN BIT(17) +#define AR71XX_GPIO_FUNC_SLIC_EN BIT(16) +#define AR71XX_GPIO_FUNC_SPI_CS2_EN BIT(13) +#define AR71XX_GPIO_FUNC_SPI_CS1_EN BIT(12) +#define AR71XX_GPIO_FUNC_UART_EN BIT(8) +#define AR71XX_GPIO_FUNC_USB_OC_EN BIT(4) +#define AR71XX_GPIO_FUNC_USB_CLK_EN BIT(0) + +#define AR724X_GPIO_FUNC_GE0_MII_CLK_EN BIT(19) +#define AR724X_GPIO_FUNC_SPI_EN BIT(18) +#define AR724X_GPIO_FUNC_SPI_CS_EN2 BIT(14) +#define AR724X_GPIO_FUNC_SPI_CS_EN1 BIT(13) +#define AR724X_GPIO_FUNC_CLK_OBS5_EN BIT(12) +#define AR724X_GPIO_FUNC_CLK_OBS4_EN BIT(11) +#define AR724X_GPIO_FUNC_CLK_OBS3_EN BIT(10) +#define AR724X_GPIO_FUNC_CLK_OBS2_EN BIT(9) +#define AR724X_GPIO_FUNC_CLK_OBS1_EN BIT(8) +#define AR724X_GPIO_FUNC_ETH_SWITCH_LED4_EN BIT(7) +#define AR724X_GPIO_FUNC_ETH_SWITCH_LED3_EN BIT(6) +#define AR724X_GPIO_FUNC_ETH_SWITCH_LED2_EN BIT(5) +#define AR724X_GPIO_FUNC_ETH_SWITCH_LED1_EN BIT(4) +#define AR724X_GPIO_FUNC_ETH_SWITCH_LED0_EN BIT(3) +#define AR724X_GPIO_FUNC_UART_RTS_CTS_EN BIT(2) +#define AR724X_GPIO_FUNC_UART_EN BIT(1) +#define AR724X_GPIO_FUNC_JTAG_DISABLE BIT(0) + +#define AR913X_GPIO_FUNC_WMAC_LED_EN BIT(22) +#define AR913X_GPIO_FUNC_EXP_PORT_CS_EN BIT(21) +#define AR913X_GPIO_FUNC_I2S_REFCLKEN BIT(20) +#define AR913X_GPIO_FUNC_I2S_MCKEN BIT(19) +#define AR913X_GPIO_FUNC_I2S1_EN BIT(18) +#define AR913X_GPIO_FUNC_I2S0_EN BIT(17) +#define AR913X_GPIO_FUNC_SLIC_EN BIT(16) +#define AR913X_GPIO_FUNC_UART_RTSCTS_EN BIT(9) +#define AR913X_GPIO_FUNC_UART_EN BIT(8) +#define AR913X_GPIO_FUNC_USB_CLK_EN BIT(4) + +#define AR933X_GPIO(x) BIT(x) +#define AR933X_GPIO_FUNC_SPDIF2TCK BIT(31) +#define AR933X_GPIO_FUNC_SPDIF_EN BIT(30) +#define AR933X_GPIO_FUNC_I2SO_22_18_EN BIT(29) +#define AR933X_GPIO_FUNC_I2S_MCK_EN BIT(27) +#define AR933X_GPIO_FUNC_I2SO_EN BIT(26) +#define AR933X_GPIO_FUNC_ETH_SWITCH_LED_DUPL BIT(25) +#define AR933X_GPIO_FUNC_ETH_SWITCH_LED_COLL BIT(24) +#define AR933X_GPIO_FUNC_ETH_SWITCH_LED_ACT BIT(23) +#define AR933X_GPIO_FUNC_SPI_EN BIT(18) +#define AR933X_GPIO_FUNC_RES_TRUE BIT(15) +#define AR933X_GPIO_FUNC_SPI_CS_EN2 BIT(14) +#define AR933X_GPIO_FUNC_SPI_CS_EN1 BIT(13) +#define AR933X_GPIO_FUNC_XLNA_EN BIT(12) +#define AR933X_GPIO_FUNC_ETH_SWITCH_LED4_EN BIT(7) +#define AR933X_GPIO_FUNC_ETH_SWITCH_LED3_EN BIT(6) +#define AR933X_GPIO_FUNC_ETH_SWITCH_LED2_EN BIT(5) +#define AR933X_GPIO_FUNC_ETH_SWITCH_LED1_EN BIT(4) +#define AR933X_GPIO_FUNC_ETH_SWITCH_LED0_EN BIT(3) +#define AR933X_GPIO_FUNC_UART_RTS_CTS_EN BIT(2) +#define AR933X_GPIO_FUNC_UART_EN BIT(1) +#define AR933X_GPIO_FUNC_JTAG_DISABLE BIT(0) + +#define AR934X_GPIO_FUNC_CLK_OBS7_EN BIT(9) +#define AR934X_GPIO_FUNC_CLK_OBS6_EN BIT(8) +#define AR934X_GPIO_FUNC_CLK_OBS5_EN BIT(7) +#define AR934X_GPIO_FUNC_CLK_OBS4_EN BIT(6) +#define AR934X_GPIO_FUNC_CLK_OBS3_EN BIT(5) +#define AR934X_GPIO_FUNC_CLK_OBS2_EN BIT(4) +#define AR934X_GPIO_FUNC_CLK_OBS1_EN BIT(3) +#define AR934X_GPIO_FUNC_CLK_OBS0_EN BIT(2) +#define AR934X_GPIO_FUNC_JTAG_DISABLE BIT(1) + +#define AR934X_GPIO_OUT_GPIO 0 +#define AR934X_GPIO_OUT_SPI_CS1 7 +#define AR934X_GPIO_OUT_LED_LINK0 41 +#define AR934X_GPIO_OUT_LED_LINK1 42 +#define AR934X_GPIO_OUT_LED_LINK2 43 +#define AR934X_GPIO_OUT_LED_LINK3 44 +#define AR934X_GPIO_OUT_LED_LINK4 45 +#define AR934X_GPIO_OUT_EXT_LNA0 46 +#define AR934X_GPIO_OUT_EXT_LNA1 47 + +#define QCA953X_GPIO(x) BIT(x) +#define QCA953X_GPIO_MUX_MASK(x) (0xff << (x)) +#define QCA953X_GPIO_OUT_MUX_SPI_CS1 10 +#define QCA953X_GPIO_OUT_MUX_SPI_CS2 11 +#define QCA953X_GPIO_OUT_MUX_SPI_CS0 9 +#define QCA953X_GPIO_OUT_MUX_SPI_CLK 8 +#define QCA953X_GPIO_OUT_MUX_SPI_MOSI 12 +#define QCA953X_GPIO_OUT_MUX_UART0_SOUT 22 +#define QCA953X_GPIO_OUT_MUX_LED_LINK1 41 +#define QCA953X_GPIO_OUT_MUX_LED_LINK2 42 +#define QCA953X_GPIO_OUT_MUX_LED_LINK3 43 +#define QCA953X_GPIO_OUT_MUX_LED_LINK4 44 +#define QCA953X_GPIO_OUT_MUX_LED_LINK5 45 + +#define QCA953X_GPIO_IN_MUX_UART0_SIN 9 +#define QCA953X_GPIO_IN_MUX_SPI_DATA_IN 8 + +#define QCA956X_GPIO(x) BIT(x) +#define QCA956X_GPIO_MUX_MASK(x) (0xff << (x)) +#define QCA956X_GPIO_OUT_MUX_GE0_MDO 32 +#define QCA956X_GPIO_OUT_MUX_GE0_MDC 33 +#define QCA956X_GPIO_IN_MUX_UART0_SIN 0x12 +#define QCA956X_GPIO_OUT_MUX_UART0_SOUT 0x16 + +#define AR71XX_GPIO_COUNT 16 +#define AR7240_GPIO_COUNT 18 +#define AR7241_GPIO_COUNT 20 +#define AR913X_GPIO_COUNT 22 +#define AR933X_GPIO_COUNT 30 +#define AR934X_GPIO_COUNT 23 +#define QCA953X_GPIO_COUNT 18 +#define QCA955X_GPIO_COUNT 24 +#define QCA956X_GPIO_COUNT 23 + +/* + * SRIF block + */ +#define AR933X_SRIF_DDR_DPLL1_REG 0x240 +#define AR933X_SRIF_DDR_DPLL2_REG 0x244 +#define AR933X_SRIF_DDR_DPLL3_REG 0x248 +#define AR933X_SRIF_DDR_DPLL4_REG 0x24c + +#define AR934X_SRIF_CPU_DPLL1_REG 0x1c0 +#define AR934X_SRIF_CPU_DPLL2_REG 0x1c4 +#define AR934X_SRIF_CPU_DPLL3_REG 0x1c8 +#define AR934X_SRIF_CPU_DPLL4_REG 0x1cc + +#define AR934X_SRIF_DDR_DPLL1_REG 0x240 +#define AR934X_SRIF_DDR_DPLL2_REG 0x244 +#define AR934X_SRIF_DDR_DPLL3_REG 0x248 +#define AR934X_SRIF_DDR_DPLL4_REG 0x24c + +#define AR934X_SRIF_DPLL1_REFDIV_SHIFT 27 +#define AR934X_SRIF_DPLL1_REFDIV_MASK 0x1f +#define AR934X_SRIF_DPLL1_NINT_SHIFT 18 +#define AR934X_SRIF_DPLL1_NINT_MASK 0x1ff +#define AR934X_SRIF_DPLL1_NFRAC_MASK 0x0003ffff + +#define AR934X_SRIF_DPLL2_LOCAL_PLL BIT(30) +#define AR934X_SRIF_DPLL2_OUTDIV_SHIFT 13 +#define AR934X_SRIF_DPLL2_OUTDIV_MASK 0x7 + +#define QCA953X_SRIF_BB_DPLL1_REG 0x180 +#define QCA953X_SRIF_BB_DPLL2_REG 0x184 +#define QCA953X_SRIF_BB_DPLL3_REG 0x188 + +#define QCA953X_SRIF_CPU_DPLL1_REG 0x1c0 +#define QCA953X_SRIF_CPU_DPLL2_REG 0x1c4 +#define QCA953X_SRIF_CPU_DPLL3_REG 0x1c8 + +#define QCA953X_SRIF_DDR_DPLL1_REG 0x240 +#define QCA953X_SRIF_DDR_DPLL2_REG 0x244 +#define QCA953X_SRIF_DDR_DPLL3_REG 0x248 + +#define QCA953X_SRIF_PCIE_DPLL1_REG 0xc00 +#define QCA953X_SRIF_PCIE_DPLL2_REG 0xc04 +#define QCA953X_SRIF_PCIE_DPLL3_REG 0xc08 + +#define QCA953X_SRIF_PMU1_REG 0xc40 +#define QCA953X_SRIF_PMU2_REG 0xc44 + +#define QCA953X_SRIF_DPLL1_REFDIV_SHIFT 27 +#define QCA953X_SRIF_DPLL1_REFDIV_MASK 0x1f + +#define QCA953X_SRIF_DPLL1_NINT_SHIFT 18 +#define QCA953X_SRIF_DPLL1_NINT_MASK 0x1ff +#define QCA953X_SRIF_DPLL1_NFRAC_MASK 0x0003ffff + +#define QCA953X_SRIF_DPLL2_LOCAL_PLL BIT(30) + +#define QCA953X_SRIF_DPLL2_KI_SHIFT 29 +#define QCA953X_SRIF_DPLL2_KI_MASK 0x3 + +#define QCA953X_SRIF_DPLL2_KD_SHIFT 25 +#define QCA953X_SRIF_DPLL2_KD_MASK 0xf + +#define QCA953X_SRIF_DPLL2_PWD BIT(22) + +#define QCA953X_SRIF_DPLL2_OUTDIV_SHIFT 13 +#define QCA953X_SRIF_DPLL2_OUTDIV_MASK 0x7 + +#define QCA956X_SRIF_BB_DPLL1_REG 0x180 +#define QCA956X_SRIF_BB_DPLL2_REG 0x184 +#define QCA956X_SRIF_BB_DPLL3_REG 0x188 + +#define QCA956X_SRIF_CPU_DPLL1_REG 0xf00 +#define QCA956X_SRIF_CPU_DPLL2_REG 0xf04 +#define QCA956X_SRIF_CPU_DPLL3_REG 0xf08 + +#define QCA956X_SRIF_DDR_DPLL1_REG 0xec0 +#define QCA956X_SRIF_DDR_DPLL2_REG 0xec4 +#define QCA956X_SRIF_DDR_DPLL3_REG 0xec8 + +#define QCA956X_SRIF_PCIE_DPLL1_REG 0xc80 +#define QCA956X_SRIF_PCIE_DPLL2_REG 0xc84 +#define QCA956X_SRIF_PCIE_DPLL3_REG 0xc88 + +#define QCA956X_SRIF_PMU1_REG 0xcc0 +#define QCA956X_SRIF_PMU2_REG 0xcc4 + +/* + * MII_CTRL block + */ +#define AR71XX_MII_REG_MII0_CTRL 0x00 +#define AR71XX_MII_REG_MII1_CTRL 0x04 + +#define AR71XX_MII_CTRL_IF_MASK 3 +#define AR71XX_MII_CTRL_SPEED_SHIFT 4 +#define AR71XX_MII_CTRL_SPEED_MASK 3 +#define AR71XX_MII_CTRL_SPEED_10 0 +#define AR71XX_MII_CTRL_SPEED_100 1 +#define AR71XX_MII_CTRL_SPEED_1000 2 + +#define AR71XX_MII0_CTRL_IF_GMII 0 +#define AR71XX_MII0_CTRL_IF_MII 1 +#define AR71XX_MII0_CTRL_IF_RGMII 2 +#define AR71XX_MII0_CTRL_IF_RMII 3 + +#define AR71XX_MII1_CTRL_IF_RGMII 0 +#define AR71XX_MII1_CTRL_IF_RMII 1 + +/* + * AR933X GMAC interface + */ +#define AR933X_GMAC_REG_ETH_CFG 0x00 + +#define AR933X_ETH_CFG_RGMII_GE0 BIT(0) +#define AR933X_ETH_CFG_MII_GE0 BIT(1) +#define AR933X_ETH_CFG_GMII_GE0 BIT(2) +#define AR933X_ETH_CFG_MII_GE0_MASTER BIT(3) +#define AR933X_ETH_CFG_MII_GE0_SLAVE BIT(4) +#define AR933X_ETH_CFG_MII_GE0_ERR_EN BIT(5) +#define AR933X_ETH_CFG_SW_PHY_SWAP BIT(7) +#define AR933X_ETH_CFG_SW_PHY_ADDR_SWAP BIT(8) +#define AR933X_ETH_CFG_RMII_GE0 BIT(9) +#define AR933X_ETH_CFG_RMII_GE0_SPD_10 0 +#define AR933X_ETH_CFG_RMII_GE0_SPD_100 BIT(10) + +/* + * AR934X GMAC Interface + */ +#define AR934X_GMAC_REG_ETH_CFG 0x00 + +#define AR934X_ETH_CFG_RGMII_GMAC0 BIT(0) +#define AR934X_ETH_CFG_MII_GMAC0 BIT(1) +#define AR934X_ETH_CFG_GMII_GMAC0 BIT(2) +#define AR934X_ETH_CFG_MII_GMAC0_MASTER BIT(3) +#define AR934X_ETH_CFG_MII_GMAC0_SLAVE BIT(4) +#define AR934X_ETH_CFG_MII_GMAC0_ERR_EN BIT(5) +#define AR934X_ETH_CFG_SW_ONLY_MODE BIT(6) +#define AR934X_ETH_CFG_SW_PHY_SWAP BIT(7) +#define AR934X_ETH_CFG_SW_APB_ACCESS BIT(9) +#define AR934X_ETH_CFG_RMII_GMAC0 BIT(10) +#define AR933X_ETH_CFG_MII_CNTL_SPEED BIT(11) +#define AR934X_ETH_CFG_RMII_GMAC0_MASTER BIT(12) +#define AR933X_ETH_CFG_SW_ACC_MSB_FIRST BIT(13) +#define AR934X_ETH_CFG_RXD_DELAY BIT(14) +#define AR934X_ETH_CFG_RXD_DELAY_MASK 0x3 +#define AR934X_ETH_CFG_RXD_DELAY_SHIFT 14 +#define AR934X_ETH_CFG_RDV_DELAY BIT(16) +#define AR934X_ETH_CFG_RDV_DELAY_MASK 0x3 +#define AR934X_ETH_CFG_RDV_DELAY_SHIFT 16 + +/* + * QCA953X GMAC Interface + */ +#define QCA953X_GMAC_REG_ETH_CFG 0x00 + +#define QCA953X_ETH_CFG_SW_ONLY_MODE BIT(6) +#define QCA953X_ETH_CFG_SW_PHY_SWAP BIT(7) +#define QCA953X_ETH_CFG_SW_APB_ACCESS BIT(9) +#define QCA953X_ETH_CFG_SW_ACC_MSB_FIRST BIT(13) + +/* + * QCA955X GMAC Interface + */ + +#define QCA955X_GMAC_REG_ETH_CFG 0x00 + +#define QCA955X_ETH_CFG_RGMII_EN BIT(0) +#define QCA955X_ETH_CFG_GE0_SGMII BIT(6) + +/* + * QCA956X GMAC Interface + */ + +#define QCA956X_GMAC_REG_ETH_CFG 0x00 +#define QCA956X_GMAC_REG_SGMII_RESET 0x14 +#define QCA956X_GMAC_REG_SGMII_SERDES 0x18 +#define QCA956X_GMAC_REG_MR_AN_CTRL 0x1c +#define QCA956X_GMAC_REG_SGMII_CONFIG 0x34 +#define QCA956X_GMAC_REG_SGMII_DEBUG 0x58 + +#define QCA956X_ETH_CFG_GE0_SGMII BIT(6) + +#endif /* __ASM_AR71XX_H */ diff --git a/roms/u-boot/arch/mips/mach-ath79/include/mach/ath79.h b/roms/u-boot/arch/mips/mach-ath79/include/mach/ath79.h new file mode 100644 index 000000000..2eda38885 --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/include/mach/ath79.h @@ -0,0 +1,153 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Atheros AR71XX/AR724X/AR913X common definitions + * + * Copyright (C) 2018-2019 Rosy Song <rosysong@rosinson.com> + * Copyright (C) 2015-2016 Wills Wang <wills.wang@live.com> + * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> + */ + +#ifndef __ASM_MACH_ATH79_H +#define __ASM_MACH_ATH79_H + +#include <asm/global_data.h> +#include <linux/types.h> + +DECLARE_GLOBAL_DATA_PTR; + +enum ath79_soc_type { + ATH79_SOC_UNKNOWN, + ATH79_SOC_AR7130, + ATH79_SOC_AR7141, + ATH79_SOC_AR7161, + ATH79_SOC_AR7240, + ATH79_SOC_AR7241, + ATH79_SOC_AR7242, + ATH79_SOC_AR9130, + ATH79_SOC_AR9132, + ATH79_SOC_AR9330, + ATH79_SOC_AR9331, + ATH79_SOC_AR9341, + ATH79_SOC_AR9342, + ATH79_SOC_AR9344, + ATH79_SOC_QCA9533, + ATH79_SOC_QCA9556, + ATH79_SOC_QCA9558, + ATH79_SOC_TP9343, + ATH79_SOC_QCA9561, +}; + +static inline int soc_is_ar71xx(void) +{ + return gd->arch.soc == ATH79_SOC_AR7130 || + gd->arch.soc == ATH79_SOC_AR7141 || + gd->arch.soc == ATH79_SOC_AR7161; +} + +static inline int soc_is_ar724x(void) +{ + return gd->arch.soc == ATH79_SOC_AR7240 || + gd->arch.soc == ATH79_SOC_AR7241 || + gd->arch.soc == ATH79_SOC_AR7242; +} + +static inline int soc_is_ar7240(void) +{ + return gd->arch.soc == ATH79_SOC_AR7240; +} + +static inline int soc_is_ar7241(void) +{ + return gd->arch.soc == ATH79_SOC_AR7241; +} + +static inline int soc_is_ar7242(void) +{ + return gd->arch.soc == ATH79_SOC_AR7242; +} + +static inline int soc_is_ar913x(void) +{ + return gd->arch.soc == ATH79_SOC_AR9130 || + gd->arch.soc == ATH79_SOC_AR9132; +} + +static inline int soc_is_ar933x(void) +{ + return gd->arch.soc == ATH79_SOC_AR9330 || + gd->arch.soc == ATH79_SOC_AR9331; +} + +static inline int soc_is_ar9341(void) +{ + return gd->arch.soc == ATH79_SOC_AR9341; +} + +static inline int soc_is_ar9342(void) +{ + return gd->arch.soc == ATH79_SOC_AR9342; +} + +static inline int soc_is_ar9344(void) +{ + return gd->arch.soc == ATH79_SOC_AR9344; +} + +static inline int soc_is_ar934x(void) +{ + return soc_is_ar9341() || + soc_is_ar9342() || + soc_is_ar9344(); +} + +static inline int soc_is_qca9533(void) +{ + return gd->arch.soc == ATH79_SOC_QCA9533; +} + +static inline int soc_is_qca953x(void) +{ + return soc_is_qca9533(); +} + +static inline int soc_is_qca9556(void) +{ + return gd->arch.soc == ATH79_SOC_QCA9556; +} + +static inline int soc_is_qca9558(void) +{ + return gd->arch.soc == ATH79_SOC_QCA9558; +} + +static inline int soc_is_qca955x(void) +{ + return soc_is_qca9556() || soc_is_qca9558(); +} + +static inline int soc_is_tp9343(void) +{ + return gd->arch.soc == ATH79_SOC_TP9343; +} + +static inline int soc_is_qca9561(void) +{ + return gd->arch.soc == ATH79_SOC_QCA9561; +} + +static inline int soc_is_qca956x(void) +{ + return soc_is_tp9343() || soc_is_qca9561(); +} + +u32 ath79_get_bootstrap(void); +int ath79_eth_reset(void); +int ath79_usb_reset(void); + +void ar934x_pll_init(const u16 cpu_mhz, const u16 ddr_mhz, const u16 ahb_mhz); +void ar934x_ddr_init(const u16 cpu_mhz, const u16 ddr_mhz, const u16 ahb_mhz); + +void qca956x_pll_init(void); +void qca956x_ddr_init(void); +#endif /* __ASM_MACH_ATH79_H */ diff --git a/roms/u-boot/arch/mips/mach-ath79/include/mach/ddr.h b/roms/u-boot/arch/mips/mach-ath79/include/mach/ddr.h new file mode 100644 index 000000000..59b76c86f --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/include/mach/ddr.h @@ -0,0 +1,12 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2015-2016 Wills Wang <wills.wang@live.com> + */ + +#ifndef __ASM_MACH_DDR_H +#define __ASM_MACH_DDR_H + +void ddr_init(void); +void ddr_tap_tuning(void); + +#endif /* __ASM_MACH_DDR_H */ diff --git a/roms/u-boot/arch/mips/mach-ath79/qca953x/Makefile b/roms/u-boot/arch/mips/mach-ath79/qca953x/Makefile new file mode 100644 index 000000000..5ba849c73 --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/qca953x/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0+ + +obj-y += clk.o +obj-y += ddr.o +obj-y += lowlevel_init.o diff --git a/roms/u-boot/arch/mips/mach-ath79/qca953x/clk.c b/roms/u-boot/arch/mips/mach-ath79/qca953x/clk.c new file mode 100644 index 000000000..f5438ef1c --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/qca953x/clk.c @@ -0,0 +1,112 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2015-2016 Wills Wang <wills.wang@live.com> + */ + +#include <common.h> +#include <clock_legacy.h> +#include <asm/global_data.h> +#include <asm/io.h> +#include <asm/addrspace.h> +#include <asm/types.h> +#include <mach/ar71xx_regs.h> +#include <mach/ath79.h> + +DECLARE_GLOBAL_DATA_PTR; + +static u32 qca953x_get_xtal(void) +{ + u32 val; + + val = ath79_get_bootstrap(); + if (val & QCA953X_BOOTSTRAP_REF_CLK_40) + return 40000000; + else + return 25000000; +} + +int get_serial_clock(void) +{ + return qca953x_get_xtal(); +} + +int get_clocks(void) +{ + void __iomem *regs; + u32 val, ctrl, xtal, pll, div; + + regs = map_physmem(AR71XX_PLL_BASE, AR71XX_PLL_SIZE, + MAP_NOCACHE); + + xtal = qca953x_get_xtal(); + ctrl = readl(regs + QCA953X_PLL_CLK_CTRL_REG); + val = readl(regs + QCA953X_PLL_CPU_CONFIG_REG); + + /* VCOOUT = XTAL * DIV_INT */ + div = (val >> QCA953X_PLL_CPU_CONFIG_REFDIV_SHIFT) + & QCA953X_PLL_CPU_CONFIG_REFDIV_MASK; + pll = xtal / div; + + /* PLLOUT = VCOOUT * (1/2^OUTDIV) */ + div = (val >> QCA953X_PLL_CPU_CONFIG_NINT_SHIFT) + & QCA953X_PLL_CPU_CONFIG_NINT_MASK; + pll *= div; + div = (val >> QCA953X_PLL_CPU_CONFIG_OUTDIV_SHIFT) + & QCA953X_PLL_CPU_CONFIG_OUTDIV_MASK; + if (!div) + div = 1; + pll >>= div; + + /* CPU_CLK = PLLOUT / CPU_POST_DIV */ + div = ((ctrl >> QCA953X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT) + & QCA953X_PLL_CLK_CTRL_CPU_POST_DIV_MASK) + 1; + gd->cpu_clk = pll / div; + + + val = readl(regs + QCA953X_PLL_DDR_CONFIG_REG); + /* VCOOUT = XTAL * DIV_INT */ + div = (val >> QCA953X_PLL_DDR_CONFIG_REFDIV_SHIFT) + & QCA953X_PLL_DDR_CONFIG_REFDIV_MASK; + pll = xtal / div; + + /* PLLOUT = VCOOUT * (1/2^OUTDIV) */ + div = (val >> QCA953X_PLL_DDR_CONFIG_NINT_SHIFT) + & QCA953X_PLL_DDR_CONFIG_NINT_MASK; + pll *= div; + div = (val >> QCA953X_PLL_DDR_CONFIG_OUTDIV_SHIFT) + & QCA953X_PLL_DDR_CONFIG_OUTDIV_MASK; + if (!div) + div = 1; + pll >>= div; + + /* DDR_CLK = PLLOUT / DDR_POST_DIV */ + div = ((ctrl >> QCA953X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT) + & QCA953X_PLL_CLK_CTRL_DDR_POST_DIV_MASK) + 1; + gd->mem_clk = pll / div; + + div = ((ctrl >> QCA953X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT) + & QCA953X_PLL_CLK_CTRL_AHB_POST_DIV_MASK) + 1; + if (ctrl & QCA953X_PLL_CLK_CTRL_AHBCLK_FROM_DDRPLL) { + /* AHB_CLK = DDR_CLK / AHB_POST_DIV */ + gd->bus_clk = gd->mem_clk / (div + 1); + } else { + /* AHB_CLK = CPU_CLK / AHB_POST_DIV */ + gd->bus_clk = gd->cpu_clk / (div + 1); + } + + return 0; +} + +ulong get_bus_freq(ulong dummy) +{ + if (!gd->bus_clk) + get_clocks(); + return gd->bus_clk; +} + +ulong get_ddr_freq(ulong dummy) +{ + if (!gd->mem_clk) + get_clocks(); + return gd->mem_clk; +} diff --git a/roms/u-boot/arch/mips/mach-ath79/qca953x/ddr.c b/roms/u-boot/arch/mips/mach-ath79/qca953x/ddr.c new file mode 100644 index 000000000..78f2370e0 --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/qca953x/ddr.c @@ -0,0 +1,471 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2015-2016 Wills Wang <wills.wang@live.com> + * Based on Atheros LSDK/QSDK + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/addrspace.h> +#include <asm/types.h> +#include <linux/bitops.h> +#include <linux/delay.h> +#include <mach/ar71xx_regs.h> +#include <mach/ath79.h> + +#define DDR_CTRL_UPD_EMR3S BIT(5) +#define DDR_CTRL_UPD_EMR2S BIT(4) +#define DDR_CTRL_PRECHARGE BIT(3) +#define DDR_CTRL_AUTO_REFRESH BIT(2) +#define DDR_CTRL_UPD_EMRS BIT(1) +#define DDR_CTRL_UPD_MRS BIT(0) + +#define DDR_REFRESH_EN BIT(14) +#define DDR_REFRESH_M 0x3ff +#define DDR_REFRESH(x) ((x) & DDR_REFRESH_M) +#define DDR_REFRESH_VAL (DDR_REFRESH_EN | DDR_REFRESH(312)) + +#define DDR_TRAS_S 0 +#define DDR_TRAS_M 0x1f +#define DDR_TRAS(x) (((x) & DDR_TRAS_M) << DDR_TRAS_S) +#define DDR_TRCD_M 0xf +#define DDR_TRCD_S 5 +#define DDR_TRCD(x) (((x) & DDR_TRCD_M) << DDR_TRCD_S) +#define DDR_TRP_M 0xf +#define DDR_TRP_S 9 +#define DDR_TRP(x) (((x) & DDR_TRP_M) << DDR_TRP_S) +#define DDR_TRRD_M 0xf +#define DDR_TRRD_S 13 +#define DDR_TRRD(x) (((x) & DDR_TRRD_M) << DDR_TRRD_S) +#define DDR_TRFC_M 0x7f +#define DDR_TRFC_S 17 +#define DDR_TRFC(x) (((x) & DDR_TRFC_M) << DDR_TRFC_S) +#define DDR_TMRD_M 0xf +#define DDR_TMRD_S 23 +#define DDR_TMRD(x) (((x) & DDR_TMRD_M) << DDR_TMRD_S) +#define DDR_CAS_L_M 0x17 +#define DDR_CAS_L_S 27 +#define DDR_CAS_L(x) (((x) & DDR_CAS_L_M) << DDR_CAS_L_S) +#define DDR_OPEN BIT(30) +#define DDR1_CONF_REG_VAL (DDR_TRAS(16) | DDR_TRCD(6) | \ + DDR_TRP(6) | DDR_TRRD(4) | \ + DDR_TRFC(7) | DDR_TMRD(5) | \ + DDR_CAS_L(7) | DDR_OPEN) +#define DDR2_CONF_REG_VAL (DDR_TRAS(27) | DDR_TRCD(9) | \ + DDR_TRP(9) | DDR_TRRD(7) | \ + DDR_TRFC(21) | DDR_TMRD(15) | \ + DDR_CAS_L(17) | DDR_OPEN) + +#define DDR_BURST_LEN_S 0 +#define DDR_BURST_LEN_M 0xf +#define DDR_BURST_LEN(x) ((x) << DDR_BURST_LEN_S) +#define DDR_BURST_TYPE BIT(4) +#define DDR_CNTL_OE_EN BIT(5) +#define DDR_PHASE_SEL BIT(6) +#define DDR_CKE BIT(7) +#define DDR_TWR_S 8 +#define DDR_TWR_M 0xf +#define DDR_TWR(x) (((x) & DDR_TWR_M) << DDR_TWR_S) +#define DDR_TRTW_S 12 +#define DDR_TRTW_M 0x1f +#define DDR_TRTW(x) (((x) & DDR_TRTW_M) << DDR_TRTW_S) +#define DDR_TRTP_S 17 +#define DDR_TRTP_M 0xf +#define DDR_TRTP(x) (((x) & DDR_TRTP_M) << DDR_TRTP_S) +#define DDR_TWTR_S 21 +#define DDR_TWTR_M 0x1f +#define DDR_TWTR(x) (((x) & DDR_TWTR_M) << DDR_TWTR_S) +#define DDR_G_OPEN_L_S 26 +#define DDR_G_OPEN_L_M 0xf +#define DDR_G_OPEN_L(x) ((x) << DDR_G_OPEN_L_S) +#define DDR_HALF_WIDTH_LOW BIT(31) +#define DDR1_CONF2_REG_VAL (DDR_BURST_LEN(8) | DDR_CNTL_OE_EN | \ + DDR_CKE | DDR_TWR(13) | DDR_TRTW(14) | \ + DDR_TRTP(8) | DDR_TWTR(14) | \ + DDR_G_OPEN_L(6) | DDR_HALF_WIDTH_LOW) +#define DDR2_CONF2_REG_VAL (DDR_BURST_LEN(8) | DDR_CNTL_OE_EN | \ + DDR_CKE | DDR_TWR(1) | DDR_TRTW(14) | \ + DDR_TRTP(9) | DDR_TWTR(21) | \ + DDR_G_OPEN_L(8) | DDR_HALF_WIDTH_LOW) + +#define DDR_TWR_MSB BIT(3) +#define DDR_TRAS_MSB BIT(2) +#define DDR_TRFC_MSB_M 0x3 +#define DDR_TRFC_MSB(x) (x) +#define DDR1_CONF3_REG_VAL 0 +#define DDR2_CONF3_REG_VAL (DDR_TWR_MSB | DDR_TRFC_MSB(2)) + +#define DDR_CTL_SRAM_TSEL BIT(30) +#define DDR_CTL_SRAM_GE0_SYNC BIT(20) +#define DDR_CTL_SRAM_GE1_SYNC BIT(19) +#define DDR_CTL_SRAM_USB_SYNC BIT(18) +#define DDR_CTL_SRAM_PCIE_SYNC BIT(17) +#define DDR_CTL_SRAM_WMAC_SYNC BIT(16) +#define DDR_CTL_SRAM_MISC1_SYNC BIT(15) +#define DDR_CTL_SRAM_MISC2_SYNC BIT(14) +#define DDR_CTL_PAD_DDR2_SEL BIT(6) +#define DDR_CTL_HALF_WIDTH BIT(1) +#define DDR_CTL_CONFIG_VAL (DDR_CTL_SRAM_TSEL | \ + DDR_CTL_SRAM_GE0_SYNC | \ + DDR_CTL_SRAM_GE1_SYNC | \ + DDR_CTL_SRAM_USB_SYNC | \ + DDR_CTL_SRAM_PCIE_SYNC | \ + DDR_CTL_SRAM_WMAC_SYNC | \ + DDR_CTL_HALF_WIDTH) + +#define DDR_BURST_GE0_MAX_BL_S 0 +#define DDR_BURST_GE0_MAX_BL_M 0xf +#define DDR_BURST_GE0_MAX_BL(x) \ + (((x) & DDR_BURST_GE0_MAX_BL_M) << DDR_BURST_GE0_MAX_BL_S) +#define DDR_BURST_GE1_MAX_BL_S 4 +#define DDR_BURST_GE1_MAX_BL_M 0xf +#define DDR_BURST_GE1_MAX_BL(x) \ + (((x) & DDR_BURST_GE1_MAX_BL_M) << DDR_BURST_GE1_MAX_BL_S) +#define DDR_BURST_PCIE_MAX_BL_S 8 +#define DDR_BURST_PCIE_MAX_BL_M 0xf +#define DDR_BURST_PCIE_MAX_BL(x) \ + (((x) & DDR_BURST_PCIE_MAX_BL_M) << DDR_BURST_PCIE_MAX_BL_S) +#define DDR_BURST_USB_MAX_BL_S 12 +#define DDR_BURST_USB_MAX_BL_M 0xf +#define DDR_BURST_USB_MAX_BL(x) \ + (((x) & DDR_BURST_USB_MAX_BL_M) << DDR_BURST_USB_MAX_BL_S) +#define DDR_BURST_CPU_MAX_BL_S 16 +#define DDR_BURST_CPU_MAX_BL_M 0xf +#define DDR_BURST_CPU_MAX_BL(x) \ + (((x) & DDR_BURST_CPU_MAX_BL_M) << DDR_BURST_CPU_MAX_BL_S) +#define DDR_BURST_RD_MAX_BL_S 20 +#define DDR_BURST_RD_MAX_BL_M 0xf +#define DDR_BURST_RD_MAX_BL(x) \ + (((x) & DDR_BURST_RD_MAX_BL_M) << DDR_BURST_RD_MAX_BL_S) +#define DDR_BURST_WR_MAX_BL_S 24 +#define DDR_BURST_WR_MAX_BL_M 0xf +#define DDR_BURST_WR_MAX_BL(x) \ + (((x) & DDR_BURST_WR_MAX_BL_M) << DDR_BURST_WR_MAX_BL_S) +#define DDR_BURST_RWP_MASK_EN_S 28 +#define DDR_BURST_RWP_MASK_EN_M 0x3 +#define DDR_BURST_RWP_MASK_EN(x) \ + (((x) & DDR_BURST_RWP_MASK_EN_M) << DDR_BURST_RWP_MASK_EN_S) +#define DDR_BURST_CPU_PRI_BE BIT(30) +#define DDR_BURST_CPU_PRI BIT(31) +#define DDR_BURST_VAL (DDR_BURST_CPU_PRI_BE | \ + DDR_BURST_RWP_MASK_EN(3) | \ + DDR_BURST_WR_MAX_BL(4) | \ + DDR_BURST_RD_MAX_BL(4) | \ + DDR_BURST_CPU_MAX_BL(4) | \ + DDR_BURST_USB_MAX_BL(4) | \ + DDR_BURST_PCIE_MAX_BL(4) | \ + DDR_BURST_GE1_MAX_BL(4) | \ + DDR_BURST_GE0_MAX_BL(4)) + +#define DDR_BURST_WMAC_MAX_BL_S 0 +#define DDR_BURST_WMAC_MAX_BL_M 0xf +#define DDR_BURST_WMAC_MAX_BL(x) \ + (((x) & DDR_BURST_WMAC_MAX_BL_M) << DDR_BURST_WMAC_MAX_BL_S) +#define DDR_BURST2_VAL DDR_BURST_WMAC_MAX_BL(4) + +#define DDR2_CONF_TWL_S 10 +#define DDR2_CONF_TWL_M 0xf +#define DDR2_CONF_TWL(x) \ + (((x) & DDR2_CONF_TWL_M) << DDR2_CONF_TWL_S) +#define DDR2_CONF_ODT BIT(9) +#define DDR2_CONF_TFAW_S 2 +#define DDR2_CONF_TFAW_M 0x3f +#define DDR2_CONF_TFAW(x) \ + (((x) & DDR2_CONF_TFAW_M) << DDR2_CONF_TFAW_S) +#define DDR2_CONF_EN BIT(0) +#define DDR2_CONF_VAL (DDR2_CONF_TWL(5) | \ + DDR2_CONF_TFAW(31) | \ + DDR2_CONF_ODT | \ + DDR2_CONF_EN) + +#define DDR1_EXT_MODE_VAL 0 +#define DDR2_EXT_MODE_VAL 0x402 +#define DDR2_EXT_MODE_OCD_VAL 0x782 +#define DDR1_MODE_DLL_VAL 0x133 +#define DDR2_MODE_DLL_VAL 0x143 +#define DDR1_MODE_VAL 0x33 +#define DDR2_MODE_VAL 0x43 +#define DDR1_TAP_VAL 0x20 +#define DDR2_TAP_VAL 0x10 + +#define DDR_REG_BIST_MASK_ADDR_0 0x2c +#define DDR_REG_BIST_MASK_ADDR_1 0x30 +#define DDR_REG_BIST_MASK_AHB_GE0_0 0x34 +#define DDR_REG_BIST_COMP_AHB_GE0_0 0x38 +#define DDR_REG_BIST_MASK_AHB_GE1_0 0x3c +#define DDR_REG_BIST_COMP_AHB_GE1_0 0x40 +#define DDR_REG_BIST_COMP_ADDR_0 0x64 +#define DDR_REG_BIST_COMP_ADDR_1 0x68 +#define DDR_REG_BIST_MASK_AHB_GE0_1 0x6c +#define DDR_REG_BIST_COMP_AHB_GE0_1 0x70 +#define DDR_REG_BIST_MASK_AHB_GE1_1 0x74 +#define DDR_REG_BIST_COMP_AHB_GE1_1 0x78 +#define DDR_REG_BIST 0x11c +#define DDR_REG_BIST_STATUS 0x120 + +#define DDR_BIST_COMP_CNT_S 1 +#define DDR_BIST_COMP_CNT_M 0xff +#define DDR_BIST_COMP_CNT(x) \ + (((x) & DDR_BIST_COMP_CNT_M) << DDR_BIST_COMP_CNT_S) +#define DDR_BIST_COMP_CNT_MASK \ + (DDR_BIST_COMP_CNT_M << DDR_BIST_COMP_CNT_S) +#define DDR_BIST_TEST_START BIT(0) +#define DDR_BIST_STATUS_DONE BIT(0) + +/* 4 Row Address Bits, 4 Column Address Bits, 2 BA bits */ +#define DDR_BIST_MASK_ADDR_VAL 0xfa5de83f + +#define DDR_TAP_MAGIC_VAL 0xaa55aa55 +#define DDR_TAP_MAX_VAL 0x40 + +void ddr_init(void) +{ + void __iomem *regs; + u32 val; + + regs = map_physmem(AR71XX_DDR_CTRL_BASE, AR71XX_DDR_CTRL_SIZE, + MAP_NOCACHE); + val = ath79_get_bootstrap(); + if (val & QCA953X_BOOTSTRAP_DDR1) { + writel(DDR_CTL_CONFIG_VAL, regs + QCA953X_DDR_REG_CTL_CONF); + udelay(10); + + /* For 16-bit DDR */ + writel(0xffff, regs + AR71XX_DDR_REG_RD_CYCLE); + udelay(100); + + /* Burst size */ + writel(DDR_BURST_VAL, regs + QCA953X_DDR_REG_BURST); + udelay(100); + writel(DDR_BURST2_VAL, regs + QCA953X_DDR_REG_BURST2); + udelay(100); + + /* AHB maximum timeout */ + writel(0xfffff, regs + QCA953X_DDR_REG_TIMEOUT_MAX); + udelay(100); + + /* DRAM timing */ + writel(DDR1_CONF_REG_VAL, regs + AR71XX_DDR_REG_CONFIG); + udelay(100); + writel(DDR1_CONF2_REG_VAL, regs + AR71XX_DDR_REG_CONFIG2); + udelay(100); + writel(DDR1_CONF3_REG_VAL, regs + QCA953X_DDR_REG_CONFIG3); + udelay(100); + + /* Precharge All */ + writel(DDR_CTRL_PRECHARGE, regs + AR71XX_DDR_REG_CONTROL); + udelay(100); + + /* ODT disable, Full strength, Enable DLL */ + writel(DDR1_EXT_MODE_VAL, regs + AR71XX_DDR_REG_EMR); + udelay(100); + + /* Update Extended Mode Register Set (EMRS) */ + writel(DDR_CTRL_UPD_EMRS, regs + AR71XX_DDR_REG_CONTROL); + udelay(100); + + /* Reset DLL, CAS Latency 3, Burst Length 8 */ + writel(DDR1_MODE_DLL_VAL, regs + AR71XX_DDR_REG_MODE); + udelay(100); + + /* Update Mode Register Set (MRS) */ + writel(DDR_CTRL_UPD_MRS, regs + AR71XX_DDR_REG_CONTROL); + udelay(100); + + /* Precharge All */ + writel(DDR_CTRL_PRECHARGE, regs + AR71XX_DDR_REG_CONTROL); + udelay(100); + + /* Auto Refresh */ + writel(DDR_CTRL_AUTO_REFRESH, regs + AR71XX_DDR_REG_CONTROL); + udelay(100); + writel(DDR_CTRL_AUTO_REFRESH, regs + AR71XX_DDR_REG_CONTROL); + udelay(100); + + /* Normal DLL, CAS Latency 3, Burst Length 8 */ + writel(DDR1_MODE_VAL, regs + AR71XX_DDR_REG_MODE); + udelay(100); + + /* Update Mode Register Set (MRS) */ + writel(DDR_CTRL_UPD_MRS, regs + AR71XX_DDR_REG_CONTROL); + udelay(100); + + /* Refresh time control */ + writel(DDR_REFRESH_VAL, regs + AR71XX_DDR_REG_REFRESH); + udelay(100); + + /* DQS 0 Tap Control */ + writel(DDR1_TAP_VAL, regs + AR71XX_DDR_REG_TAP_CTRL0); + + /* DQS 1 Tap Control */ + writel(DDR1_TAP_VAL, regs + AR71XX_DDR_REG_TAP_CTRL1); + } else { + writel(DDR_CTRL_UPD_EMR2S, regs + AR71XX_DDR_REG_CONTROL); + udelay(10); + writel(DDR_CTRL_UPD_EMR3S, regs + AR71XX_DDR_REG_CONTROL); + udelay(10); + writel(DDR_CTL_CONFIG_VAL | DDR_CTL_PAD_DDR2_SEL, + regs + QCA953X_DDR_REG_CTL_CONF); + udelay(10); + + /* For 16-bit DDR */ + writel(0xffff, regs + AR71XX_DDR_REG_RD_CYCLE); + udelay(100); + + /* Burst size */ + writel(DDR_BURST_VAL, regs + QCA953X_DDR_REG_BURST); + udelay(100); + writel(DDR_BURST2_VAL, regs + QCA953X_DDR_REG_BURST2); + udelay(100); + + /* AHB maximum timeout */ + writel(0xfffff, regs + QCA953X_DDR_REG_TIMEOUT_MAX); + udelay(100); + + /* DRAM timing */ + writel(DDR2_CONF_REG_VAL, regs + AR71XX_DDR_REG_CONFIG); + udelay(100); + writel(DDR2_CONF2_REG_VAL, regs + AR71XX_DDR_REG_CONFIG2); + udelay(100); + writel(DDR2_CONF3_REG_VAL, regs + QCA953X_DDR_REG_CONFIG3); + udelay(100); + + /* Enable DDR2 */ + writel(DDR2_CONF_VAL, regs + QCA953X_DDR_REG_DDR2_CONFIG); + udelay(100); + + /* Precharge All */ + writel(DDR_CTRL_PRECHARGE, regs + AR71XX_DDR_REG_CONTROL); + udelay(100); + + /* Update Extended Mode Register 2 Set (EMR2S) */ + writel(DDR_CTRL_UPD_EMR2S, regs + AR71XX_DDR_REG_CONTROL); + udelay(100); + + /* Update Extended Mode Register 3 Set (EMR3S) */ + writel(DDR_CTRL_UPD_EMR3S, regs + AR71XX_DDR_REG_CONTROL); + udelay(100); + + /* 150 ohm, Reduced strength, Enable DLL */ + writel(DDR2_EXT_MODE_VAL, regs + AR71XX_DDR_REG_EMR); + udelay(100); + + /* Update Extended Mode Register Set (EMRS) */ + writel(DDR_CTRL_UPD_EMRS, regs + AR71XX_DDR_REG_CONTROL); + udelay(100); + + /* Reset DLL, CAS Latency 4, Burst Length 8 */ + writel(DDR2_MODE_DLL_VAL, regs + AR71XX_DDR_REG_MODE); + udelay(100); + + /* Update Mode Register Set (MRS) */ + writel(DDR_CTRL_UPD_MRS, regs + AR71XX_DDR_REG_CONTROL); + udelay(100); + + /* Precharge All */ + writel(DDR_CTRL_PRECHARGE, regs + AR71XX_DDR_REG_CONTROL); + udelay(100); + + /* Auto Refresh */ + writel(DDR_CTRL_AUTO_REFRESH, regs + AR71XX_DDR_REG_CONTROL); + udelay(100); + writel(DDR_CTRL_AUTO_REFRESH, regs + AR71XX_DDR_REG_CONTROL); + udelay(100); + + /* Normal DLL, CAS Latency 4, Burst Length 8 */ + writel(DDR2_MODE_VAL, regs + AR71XX_DDR_REG_MODE); + udelay(100); + + /* Mode Register Set (MRS) */ + writel(DDR_CTRL_UPD_MRS, regs + AR71XX_DDR_REG_CONTROL); + udelay(100); + + /* Enable OCD, Enable DLL, Reduced Drive Strength */ + writel(DDR2_EXT_MODE_OCD_VAL, regs + AR71XX_DDR_REG_EMR); + udelay(100); + + /* Update Extended Mode Register Set (EMRS) */ + writel(DDR_CTRL_UPD_EMRS, regs + AR71XX_DDR_REG_CONTROL); + udelay(100); + + /* OCD diable, Enable DLL, Reduced Drive Strength */ + writel(DDR2_EXT_MODE_VAL, regs + AR71XX_DDR_REG_EMR); + udelay(100); + + /* Update Extended Mode Register Set (EMRS) */ + writel(DDR_CTRL_UPD_EMRS, regs + AR71XX_DDR_REG_CONTROL); + udelay(100); + + /* Refresh time control */ + writel(DDR_REFRESH_VAL, regs + AR71XX_DDR_REG_REFRESH); + udelay(100); + + /* DQS 0 Tap Control */ + writel(DDR2_TAP_VAL, regs + AR71XX_DDR_REG_TAP_CTRL0); + + /* DQS 1 Tap Control */ + writel(DDR2_TAP_VAL, regs + AR71XX_DDR_REG_TAP_CTRL1); + } +} + +void ddr_tap_tuning(void) +{ + void __iomem *regs; + u32 val, pass, tap, cnt, tap_val, last, first; + + regs = map_physmem(AR71XX_DDR_CTRL_BASE, AR71XX_DDR_CTRL_SIZE, + MAP_NOCACHE); + + tap_val = readl(regs + AR71XX_DDR_REG_TAP_CTRL0); + first = DDR_TAP_MAGIC_VAL; + last = 0; + cnt = 0; + tap = 0; + + do { + writel(tap, regs + AR71XX_DDR_REG_TAP_CTRL0); + writel(tap, regs + AR71XX_DDR_REG_TAP_CTRL1); + + writel(DDR_BIST_COMP_CNT(8), regs + DDR_REG_BIST_COMP_ADDR_1); + writel(DDR_BIST_MASK_ADDR_VAL, regs + DDR_REG_BIST_MASK_ADDR_0); + writel(0xffff, regs + DDR_REG_BIST_COMP_AHB_GE0_1); + writel(0xffff, regs + DDR_REG_BIST_COMP_AHB_GE1_0); + writel(0xffff, regs + DDR_REG_BIST_COMP_AHB_GE1_1); + writel(0xffff, regs + DDR_REG_BIST_MASK_AHB_GE0_0); + writel(0xffff, regs + DDR_REG_BIST_MASK_AHB_GE0_1); + writel(0xffff, regs + DDR_REG_BIST_MASK_AHB_GE1_0); + writel(0xffff, regs + DDR_REG_BIST_MASK_AHB_GE1_1); + writel(0xffff, regs + DDR_REG_BIST_COMP_AHB_GE0_0); + + /* Start BIST test */ + writel(DDR_BIST_TEST_START, regs + DDR_REG_BIST); + + do { + val = readl(regs + DDR_REG_BIST_STATUS); + } while (!(val & DDR_BIST_STATUS_DONE)); + + /* Stop BIST test */ + writel(0, regs + DDR_REG_BIST); + + pass = val & DDR_BIST_COMP_CNT_MASK; + pass ^= DDR_BIST_COMP_CNT(8); + if (!pass) { + if (first != DDR_TAP_MAGIC_VAL) { + last = tap; + } else { + first = tap; + last = tap; + } + cnt++; + } + tap++; + } while (tap < DDR_TAP_MAX_VAL); + + if (cnt) { + tap_val = (first + last) / 2; + tap_val %= DDR_TAP_MAX_VAL; + } + + writel(tap_val, regs + AR71XX_DDR_REG_TAP_CTRL0); + writel(tap_val, regs + AR71XX_DDR_REG_TAP_CTRL1); +} diff --git a/roms/u-boot/arch/mips/mach-ath79/qca953x/lowlevel_init.S b/roms/u-boot/arch/mips/mach-ath79/qca953x/lowlevel_init.S new file mode 100644 index 000000000..169d34072 --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/qca953x/lowlevel_init.S @@ -0,0 +1,185 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2015-2016 Wills Wang <wills.wang@live.com> + * Based on Atheros LSDK/QSDK + */ + +#include <config.h> +#include <asm/asm.h> +#include <asm/regdef.h> +#include <asm/mipsregs.h> +#include <asm/addrspace.h> +#include <mach/ar71xx_regs.h> + +#define MK_PLL_CONF(divint, refdiv, range, outdiv) \ + (((0x3F & divint) << 10) | \ + ((0x1F & refdiv) << 16) | \ + ((0x1 & range) << 21) | \ + ((0x7 & outdiv) << 23) ) + +#define MK_CLK_CNTL(cpudiv, ddrdiv, ahbdiv) \ + (((0x3 & (cpudiv - 1)) << 5) | \ + ((0x3 & (ddrdiv - 1)) << 10) | \ + ((0x3 & (ahbdiv - 1)) << 15) ) + +#define SET_FIELD(name, v) (((v) & QCA953X_##name##_MASK) << \ + QCA953X_##name##_SHIFT) + +#define DPLL2_KI(v) SET_FIELD(SRIF_DPLL2_KI, v) +#define DPLL2_KD(v) SET_FIELD(SRIF_DPLL2_KD, v) +#define DPLL2_PWD QCA953X_SRIF_DPLL2_PWD +#define MK_DPLL2(ki, kd) (DPLL2_KI(ki) | DPLL2_KD(kd) | DPLL2_PWD) + +#define PLL_CPU_NFRAC(v) SET_FIELD(PLL_CPU_CONFIG_NFRAC, v) +#define PLL_CPU_NINT(v) SET_FIELD(PLL_CPU_CONFIG_NINT, v) +#define PLL_CPU_REFDIV(v) SET_FIELD(PLL_CPU_CONFIG_REFDIV, v) +#define PLL_CPU_OUTDIV(v) SET_FIELD(PLL_CPU_CONFIG_OUTDIV, v) +#define MK_PLL_CPU_CONF(frac, nint, ref, outdiv) \ + (PLL_CPU_NFRAC(frac) | \ + PLL_CPU_NINT(nint) | \ + PLL_CPU_REFDIV(ref) | \ + PLL_CPU_OUTDIV(outdiv)) + +#define PLL_DDR_NFRAC(v) SET_FIELD(PLL_DDR_CONFIG_NFRAC, v) +#define PLL_DDR_NINT(v) SET_FIELD(PLL_DDR_CONFIG_NINT, v) +#define PLL_DDR_REFDIV(v) SET_FIELD(PLL_DDR_CONFIG_REFDIV, v) +#define PLL_DDR_OUTDIV(v) SET_FIELD(PLL_DDR_CONFIG_OUTDIV, v) +#define MK_PLL_DDR_CONF(frac, nint, ref, outdiv) \ + (PLL_DDR_NFRAC(frac) | \ + PLL_DDR_REFDIV(ref) | \ + PLL_DDR_NINT(nint) | \ + PLL_DDR_OUTDIV(outdiv) | \ + QCA953X_PLL_CONFIG_PWD) + +#define PLL_CPU_CONF_VAL MK_PLL_CPU_CONF(0, 26, 1, 0) +#define PLL_DDR_CONF_VAL MK_PLL_DDR_CONF(0, 15, 1, 0) + +#define PLL_CLK_CTRL_PLL_BYPASS (QCA953X_PLL_CLK_CTRL_CPU_PLL_BYPASS | \ + QCA953X_PLL_CLK_CTRL_DDR_PLL_BYPASS | \ + QCA953X_PLL_CLK_CTRL_AHB_PLL_BYPASS) + +#define PLL_CLK_CTRL_CPU_DIV(v) SET_FIELD(PLL_CLK_CTRL_CPU_POST_DIV, v) +#define PLL_CLK_CTRL_DDR_DIV(v) SET_FIELD(PLL_CLK_CTRL_DDR_POST_DIV, v) +#define PLL_CLK_CTRL_AHB_DIV(v) SET_FIELD(PLL_CLK_CTRL_AHB_POST_DIV, v) +#define MK_PLL_CLK_CTRL(cpu, ddr, ahb) \ + (PLL_CLK_CTRL_CPU_DIV(cpu) | \ + PLL_CLK_CTRL_DDR_DIV(ddr) | \ + PLL_CLK_CTRL_AHB_DIV(ahb)) +#define PLL_CLK_CTRL_VAL (MK_PLL_CLK_CTRL(0, 0, 2) | \ + PLL_CLK_CTRL_PLL_BYPASS | \ + QCA953X_PLL_CLK_CTRL_CPUCLK_FROM_CPUPLL | \ + QCA953X_PLL_CLK_CTRL_DDRCLK_FROM_DDRPLL) + +#define PLL_DDR_DIT_FRAC_MAX(v) SET_FIELD(PLL_DDR_DIT_FRAC_MAX, v) +#define PLL_DDR_DIT_FRAC_MIN(v) SET_FIELD(PLL_DDR_DIT_FRAC_MIN, v) +#define PLL_DDR_DIT_FRAC_STEP(v) SET_FIELD(PLL_DDR_DIT_FRAC_STEP, v) +#define PLL_DDR_DIT_UPD_CNT(v) SET_FIELD(PLL_DDR_DIT_UPD_CNT, v) +#define PLL_CPU_DIT_FRAC_MAX(v) SET_FIELD(PLL_CPU_DIT_FRAC_MAX, v) +#define PLL_CPU_DIT_FRAC_MIN(v) SET_FIELD(PLL_CPU_DIT_FRAC_MIN, v) +#define PLL_CPU_DIT_FRAC_STEP(v) SET_FIELD(PLL_CPU_DIT_FRAC_STEP, v) +#define PLL_CPU_DIT_UPD_CNT(v) SET_FIELD(PLL_CPU_DIT_UPD_CNT, v) +#define MK_PLL_DDR_DIT_FRAC(max, min, step, cnt) \ + (QCA953X_PLL_DIT_FRAC_EN | \ + PLL_DDR_DIT_FRAC_MAX(max) | \ + PLL_DDR_DIT_FRAC_MIN(min) | \ + PLL_DDR_DIT_FRAC_STEP(step) | \ + PLL_DDR_DIT_UPD_CNT(cnt)) +#define MK_PLL_CPU_DIT_FRAC(max, min, step, cnt) \ + (QCA953X_PLL_DIT_FRAC_EN | \ + PLL_CPU_DIT_FRAC_MAX(max) | \ + PLL_CPU_DIT_FRAC_MIN(min) | \ + PLL_CPU_DIT_FRAC_STEP(step) | \ + PLL_CPU_DIT_UPD_CNT(cnt)) +#define PLL_CPU_DIT_FRAC_VAL MK_PLL_CPU_DIT_FRAC(63, 0, 1, 15) +#define PLL_DDR_DIT_FRAC_VAL MK_PLL_DDR_DIT_FRAC(763, 635, 1, 15) + + .text + .set noreorder + +LEAF(lowlevel_init) + /* RTC Reset */ + li t0, CKSEG1ADDR(AR71XX_RESET_BASE) + lw t1, QCA953X_RESET_REG_RESET_MODULE(t0) + li t2, 0x08000000 + or t1, t1, t2 + sw t1, QCA953X_RESET_REG_RESET_MODULE(t0) + nop + lw t1, QCA953X_RESET_REG_RESET_MODULE(t0) + li t2, 0xf7ffffff + and t1, t1, t2 + sw t1, QCA953X_RESET_REG_RESET_MODULE(t0) + nop + + /* RTC Force Wake */ + li t0, CKSEG1ADDR(QCA953X_RTC_BASE) + li t1, 0x01 + sw t1, QCA953X_RTC_REG_SYNC_RESET(t0) + nop + nop + + /* Wait for RTC in on state */ +1: + lw t1, QCA953X_RTC_REG_SYNC_STATUS(t0) + andi t1, t1, 0x02 + beqz t1, 1b + nop + + li t0, CKSEG1ADDR(QCA953X_SRIF_BASE) + li t1, MK_DPLL2(2, 16) + sw t1, QCA953X_SRIF_BB_DPLL2_REG(t0) + sw t1, QCA953X_SRIF_PCIE_DPLL2_REG(t0) + sw t1, QCA953X_SRIF_DDR_DPLL2_REG(t0) + sw t1, QCA953X_SRIF_CPU_DPLL2_REG(t0) + + li t0, CKSEG1ADDR(AR71XX_PLL_BASE) + lw t1, QCA953X_PLL_CLK_CTRL_REG(t0) + ori t1, PLL_CLK_CTRL_PLL_BYPASS + sw t1, QCA953X_PLL_CLK_CTRL_REG(t0) + nop + + li t1, PLL_CPU_CONF_VAL + sw t1, QCA953X_PLL_CPU_CONFIG_REG(t0) + nop + + li t1, PLL_DDR_CONF_VAL + sw t1, QCA953X_PLL_DDR_CONFIG_REG(t0) + nop + + li t1, PLL_CLK_CTRL_VAL + sw t1, QCA953X_PLL_CLK_CTRL_REG(t0) + nop + + lw t1, QCA953X_PLL_CPU_CONFIG_REG(t0) + li t2, ~QCA953X_PLL_CONFIG_PWD + and t1, t1, t2 + sw t1, QCA953X_PLL_CPU_CONFIG_REG(t0) + nop + + lw t1, QCA953X_PLL_DDR_CONFIG_REG(t0) + li t2, ~QCA953X_PLL_CONFIG_PWD + and t1, t1, t2 + sw t1, QCA953X_PLL_DDR_CONFIG_REG(t0) + nop + + lw t1, QCA953X_PLL_CLK_CTRL_REG(t0) + li t2, ~PLL_CLK_CTRL_PLL_BYPASS + and t1, t1, t2 + sw t1, QCA953X_PLL_CLK_CTRL_REG(t0) + nop + + li t1, PLL_DDR_DIT_FRAC_VAL + sw t1, QCA953X_PLL_DDR_DIT_FRAC_REG(t0) + nop + + li t1, PLL_CPU_DIT_FRAC_VAL + sw t1, QCA953X_PLL_CPU_DIT_FRAC_REG(t0) + nop + + li t0, CKSEG1ADDR(AR71XX_RESET_BASE) + lui t1, 0x03fc + sw t1, 0xb4(t0) + + nop + jr ra + nop + END(lowlevel_init) diff --git a/roms/u-boot/arch/mips/mach-ath79/qca956x/Makefile b/roms/u-boot/arch/mips/mach-ath79/qca956x/Makefile new file mode 100644 index 000000000..3f5fc0363 --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/qca956x/Makefile @@ -0,0 +1,5 @@ +# SPDX-License-Identifier: GPL-2.0+ + +obj-y += cpu.o +obj-y += clk.o +obj-y += ddr.o qca956x-ddr-tap.o diff --git a/roms/u-boot/arch/mips/mach-ath79/qca956x/clk.c b/roms/u-boot/arch/mips/mach-ath79/qca956x/clk.c new file mode 100644 index 000000000..6a58dba91 --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/qca956x/clk.c @@ -0,0 +1,422 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2019 Rosy Song <rosysong@rosinson.com> + */ + +#include <common.h> +#include <clock_legacy.h> +#include <log.h> +#include <asm/global_data.h> +#include <asm/io.h> +#include <asm/addrspace.h> +#include <asm/types.h> +#include <mach/ar71xx_regs.h> +#include <mach/ath79.h> +#include <wait_bit.h> + +#define PLL_SRIF_DPLL2_KI_LSB 29 +#define PLL_SRIF_DPLL2_KI_MASK 0x60000000 +#define PLL_SRIF_DPLL2_KI_SET(x) \ + (((x) << PLL_SRIF_DPLL2_KI_LSB) & PLL_SRIF_DPLL2_KI_MASK) +#define PLL_SRIF_DPLL2_KD_LSB 25 +#define PLL_SRIF_DPLL2_KD_MASK 0x1e000000 +#define PLL_SRIF_DPLL2_KD_SET(x) \ + (((x) << PLL_SRIF_DPLL2_KD_LSB) & PLL_SRIF_DPLL2_KD_MASK) +#define PLL_SRIF_DPLL2_PLL_PWD_LSB 22 +#define PLL_SRIF_DPLL2_PLL_PWD_MASK 0x00400000 +#define PLL_SRIF_DPLL2_PLL_PWD_SET(x) \ + (((x) << PLL_SRIF_DPLL2_PLL_PWD_LSB) & PLL_SRIF_DPLL2_PLL_PWD_MASK) +#define PLL_SRIF_DPLL2_OUTDIV_LSB 19 +#define PLL_SRIF_DPLL2_OUTDIV_MASK 0x00380000 +#define PLL_SRIF_DPLL2_OUTDIV_SET(x) \ + (((x) << PLL_SRIF_DPLL2_OUTDIV_LSB) & PLL_SRIF_DPLL2_OUTDIV_MASK) +#define PLL_SRIF_DPLL2_PHASE_SHIFT_LSB 12 +#define PLL_SRIF_DPLL2_PHASE_SHIFT_MASK 0x0007f000 +#define PLL_SRIF_DPLL2_PHASE_SHIFT_SET(x) \ + (((x) << PLL_SRIF_DPLL2_PHASE_SHIFT_LSB) & PLL_SRIF_DPLL2_PHASE_SHIFT_MASK) +#define CPU_PLL_CONFIG_PLLPWD_LSB 30 +#define CPU_PLL_CONFIG_PLLPWD_MASK 0x40000000 +#define CPU_PLL_CONFIG_PLLPWD_SET(x) \ + (((x) << CPU_PLL_CONFIG_PLLPWD_LSB) & CPU_PLL_CONFIG_PLLPWD_MASK) +#define CPU_PLL_CONFIG_OUTDIV_LSB 19 +#define CPU_PLL_CONFIG_OUTDIV_MASK 0x00380000 +#define CPU_PLL_CONFIG_OUTDIV_SET(x) \ + (((x) << CPU_PLL_CONFIG_OUTDIV_LSB) & CPU_PLL_CONFIG_OUTDIV_MASK) +#define CPU_PLL_CONFIG_RANGE_LSB 17 +#define CPU_PLL_CONFIG_RANGE_MASK 0x00060000 +#define CPU_PLL_CONFIG_RANGE_SET(x) \ + (((x) << CPU_PLL_CONFIG_RANGE_LSB) & CPU_PLL_CONFIG_RANGE_MASK) +#define CPU_PLL_CONFIG_REFDIV_LSB 12 +#define CPU_PLL_CONFIG_REFDIV_MASK 0x0001f000 +#define CPU_PLL_CONFIG_REFDIV_SET(x) \ + (((x) << CPU_PLL_CONFIG_REFDIV_LSB) & CPU_PLL_CONFIG_REFDIV_MASK) +#define CPU_PLL_CONFIG1_NINT_LSB 18 +#define CPU_PLL_CONFIG1_NINT_MASK 0x07fc0000 +#define CPU_PLL_CONFIG1_NINT_SET(x) \ + (((x) << CPU_PLL_CONFIG1_NINT_LSB) & CPU_PLL_CONFIG1_NINT_MASK) +#define CPU_PLL_DITHER1_DITHER_EN_LSB 31 +#define CPU_PLL_DITHER1_DITHER_EN_MASK 0x80000000 +#define CPU_PLL_DITHER1_DITHER_EN_SET(x) \ + (((x) << CPU_PLL_DITHER1_DITHER_EN_LSB) & CPU_PLL_DITHER1_DITHER_EN_MASK) +#define CPU_PLL_DITHER1_UPDATE_COUNT_LSB 24 +#define CPU_PLL_DITHER1_UPDATE_COUNT_MASK 0x3f000000 +#define CPU_PLL_DITHER1_UPDATE_COUNT_SET(x) \ + (((x) << CPU_PLL_DITHER1_UPDATE_COUNT_LSB) & CPU_PLL_DITHER1_UPDATE_COUNT_MASK) +#define CPU_PLL_DITHER1_NFRAC_STEP_LSB 18 +#define CPU_PLL_DITHER1_NFRAC_STEP_MASK 0x00fc0000 +#define CPU_PLL_DITHER1_NFRAC_STEP_SET(x) \ + (((x) << CPU_PLL_DITHER1_NFRAC_STEP_LSB) & CPU_PLL_DITHER1_NFRAC_STEP_MASK) +#define CPU_PLL_DITHER1_NFRAC_MIN_LSB 0 +#define CPU_PLL_DITHER1_NFRAC_MIN_MASK 0x0003ffff +#define CPU_PLL_DITHER1_NFRAC_MIN_SET(x) \ + (((x) << CPU_PLL_DITHER1_NFRAC_MIN_LSB) & CPU_PLL_DITHER1_NFRAC_MIN_MASK) +#define CPU_PLL_DITHER2_NFRAC_MAX_LSB 0 +#define CPU_PLL_DITHER2_NFRAC_MAX_MASK 0x0003ffff +#define CPU_PLL_DITHER2_NFRAC_MAX_SET(x) \ + (((x) << CPU_PLL_DITHER2_NFRAC_MAX_LSB) & CPU_PLL_DITHER2_NFRAC_MAX_MASK) +#define DDR_PLL_CONFIG_PLLPWD_LSB 30 +#define DDR_PLL_CONFIG_PLLPWD_MASK 0x40000000 +#define DDR_PLL_CONFIG_PLLPWD_SET(x) \ + (((x) << DDR_PLL_CONFIG_PLLPWD_LSB) & DDR_PLL_CONFIG_PLLPWD_MASK) +#define DDR_PLL_CONFIG_OUTDIV_LSB 23 +#define DDR_PLL_CONFIG_OUTDIV_MASK 0x03800000 +#define DDR_PLL_CONFIG_OUTDIV_SET(x) \ + (((x) << DDR_PLL_CONFIG_OUTDIV_LSB) & DDR_PLL_CONFIG_OUTDIV_MASK) +#define DDR_PLL_CONFIG_RANGE_LSB 21 +#define DDR_PLL_CONFIG_RANGE_MASK 0x00600000 +#define DDR_PLL_CONFIG_RANGE_SET(x) \ + (((x) << DDR_PLL_CONFIG_RANGE_LSB) & DDR_PLL_CONFIG_RANGE_MASK) +#define DDR_PLL_CONFIG_REFDIV_LSB 16 +#define DDR_PLL_CONFIG_REFDIV_MASK 0x001f0000 +#define DDR_PLL_CONFIG_REFDIV_SET(x) \ + (((x) << DDR_PLL_CONFIG_REFDIV_LSB) & DDR_PLL_CONFIG_REFDIV_MASK) +#define DDR_PLL_CONFIG1_NINT_LSB 18 +#define DDR_PLL_CONFIG1_NINT_MASK 0x07fc0000 +#define DDR_PLL_CONFIG1_NINT_SET(x) \ + (((x) << DDR_PLL_CONFIG1_NINT_LSB) & DDR_PLL_CONFIG1_NINT_MASK) +#define DDR_PLL_DITHER1_DITHER_EN_LSB 31 +#define DDR_PLL_DITHER1_DITHER_EN_MASK 0x80000000 +#define DDR_PLL_DITHER1_DITHER_EN_SET(x) \ + (((x) << DDR_PLL_DITHER1_DITHER_EN_LSB) & DDR_PLL_DITHER1_DITHER_EN_MASK) +#define DDR_PLL_DITHER1_UPDATE_COUNT_LSB 27 +#define DDR_PLL_DITHER1_UPDATE_COUNT_MASK 0x78000000 +#define DDR_PLL_DITHER1_UPDATE_COUNT_SET(x) \ + (((x) << DDR_PLL_DITHER1_UPDATE_COUNT_LSB) & DDR_PLL_DITHER1_UPDATE_COUNT_MASK) +#define DDR_PLL_DITHER1_NFRAC_STEP_LSB 20 +#define DDR_PLL_DITHER1_NFRAC_STEP_MASK 0x07f00000 +#define DDR_PLL_DITHER1_NFRAC_STEP_SET(x) \ + (((x) << DDR_PLL_DITHER1_NFRAC_STEP_LSB) & DDR_PLL_DITHER1_NFRAC_STEP_MASK) +#define DDR_PLL_DITHER1_NFRAC_MIN_LSB 0 +#define DDR_PLL_DITHER1_NFRAC_MIN_MASK 0x0003ffff +#define DDR_PLL_DITHER1_NFRAC_MIN_SET(x) \ + (((x) << DDR_PLL_DITHER1_NFRAC_MIN_LSB) & DDR_PLL_DITHER1_NFRAC_MIN_MASK) +#define DDR_PLL_DITHER2_NFRAC_MAX_LSB 0 +#define DDR_PLL_DITHER2_NFRAC_MAX_MASK 0x0003ffff +#define DDR_PLL_DITHER2_NFRAC_MAX_SET(x) \ + (((x) << DDR_PLL_DITHER2_NFRAC_MAX_LSB) & DDR_PLL_DITHER2_NFRAC_MAX_MASK) +#define CPU_DDR_CLOCK_CONTROL_AHBCLK_FROM_DDRPLL_LSB 24 +#define CPU_DDR_CLOCK_CONTROL_AHBCLK_FROM_DDRPLL_MASK 0x01000000 +#define CPU_DDR_CLOCK_CONTROL_AHBCLK_FROM_DDRPLL_SET(x) \ + (((x) << CPU_DDR_CLOCK_CONTROL_AHBCLK_FROM_DDRPLL_LSB) & CPU_DDR_CLOCK_CONTROL_AHBCLK_FROM_DDRPLL_MASK) +#define CPU_DDR_CLOCK_CONTROL_CPU_DDR_CLK_FROM_CPUPLL_LSB 21 +#define CPU_DDR_CLOCK_CONTROL_CPU_DDR_CLK_FROM_CPUPLL_MASK 0x00200000 +#define CPU_DDR_CLOCK_CONTROL_CPU_DDR_CLK_FROM_CPUPLL_SET(x) \ + (((x) << CPU_DDR_CLOCK_CONTROL_CPU_DDR_CLK_FROM_CPUPLL_LSB) & CPU_DDR_CLOCK_CONTROL_CPU_DDR_CLK_FROM_CPUPLL_MASK) +#define CPU_DDR_CLOCK_CONTROL_CPU_DDR_CLK_FROM_DDRPLL_LSB 20 +#define CPU_DDR_CLOCK_CONTROL_CPU_DDR_CLK_FROM_DDRPLL_MASK 0x00100000 +#define CPU_DDR_CLOCK_CONTROL_CPU_DDR_CLK_FROM_DDRPLL_SET(x) \ + (((x) << CPU_DDR_CLOCK_CONTROL_CPU_DDR_CLK_FROM_DDRPLL_LSB) & CPU_DDR_CLOCK_CONTROL_CPU_DDR_CLK_FROM_DDRPLL_MASK) +#define CPU_DDR_CLOCK_CONTROL_AHB_POST_DIV_LSB 15 +#define CPU_DDR_CLOCK_CONTROL_AHB_POST_DIV_MASK 0x000f8000 +#define CPU_DDR_CLOCK_CONTROL_AHB_POST_DIV_SET(x) \ + (((x) << CPU_DDR_CLOCK_CONTROL_AHB_POST_DIV_LSB) & CPU_DDR_CLOCK_CONTROL_AHB_POST_DIV_MASK) +#define CPU_DDR_CLOCK_CONTROL_DDR_POST_DIV_LSB 10 +#define CPU_DDR_CLOCK_CONTROL_DDR_POST_DIV_MASK 0x00007c00 +#define CPU_DDR_CLOCK_CONTROL_DDR_POST_DIV_SET(x) \ + (((x) << CPU_DDR_CLOCK_CONTROL_DDR_POST_DIV_LSB) & CPU_DDR_CLOCK_CONTROL_DDR_POST_DIV_MASK) +#define CPU_DDR_CLOCK_CONTROL_CPU_POST_DIV_LSB 5 +#define CPU_DDR_CLOCK_CONTROL_CPU_POST_DIV_MASK 0x000003e0 +#define CPU_DDR_CLOCK_CONTROL_CPU_POST_DIV_SET(x) \ + (((x) << CPU_DDR_CLOCK_CONTROL_CPU_POST_DIV_LSB) & CPU_DDR_CLOCK_CONTROL_CPU_POST_DIV_MASK) +#define CPU_DDR_CLOCK_CONTROL_AHB_PLL_BYPASS_LSB 4 +#define CPU_DDR_CLOCK_CONTROL_AHB_PLL_BYPASS_MASK 0x00000010 +#define CPU_DDR_CLOCK_CONTROL_AHB_PLL_BYPASS_SET(x) \ + (((x) << CPU_DDR_CLOCK_CONTROL_AHB_PLL_BYPASS_LSB) & CPU_DDR_CLOCK_CONTROL_AHB_PLL_BYPASS_MASK) +#define CPU_DDR_CLOCK_CONTROL_DDR_PLL_BYPASS_LSB 3 +#define CPU_DDR_CLOCK_CONTROL_DDR_PLL_BYPASS_MASK 0x00000008 +#define CPU_DDR_CLOCK_CONTROL_DDR_PLL_BYPASS_SET(x) \ + (((x) << CPU_DDR_CLOCK_CONTROL_DDR_PLL_BYPASS_LSB) & CPU_DDR_CLOCK_CONTROL_DDR_PLL_BYPASS_MASK) +#define CPU_DDR_CLOCK_CONTROL_CPU_PLL_BYPASS_LSB 2 +#define CPU_DDR_CLOCK_CONTROL_CPU_PLL_BYPASS_MASK 0x00000004 +#define CPU_DDR_CLOCK_CONTROL_CPU_PLL_BYPASS_SET(x) \ + (((x) << CPU_DDR_CLOCK_CONTROL_CPU_PLL_BYPASS_LSB) & CPU_DDR_CLOCK_CONTROL_CPU_PLL_BYPASS_MASK) + +#define CPU_PLL_CONFIG1_NINT_VAL CPU_PLL_CONFIG1_NINT_SET(0x1f) +#define CPU_PLL_CONFIG_REF_DIV_VAL CPU_PLL_CONFIG_REFDIV_SET(0x1) +#define CPU_PLL_CONFIG_RANGE_VAL CPU_PLL_CONFIG_RANGE_SET(0) +#define CPU_PLL_CONFIG_OUT_DIV_VAL1 CPU_PLL_CONFIG_OUTDIV_SET(0) +#define CPU_PLL_CONFIG_OUT_DIV_VAL2 CPU_PLL_CONFIG_OUTDIV_SET(0) +#define CPU_PLL_DITHER1_VAL CPU_PLL_DITHER1_DITHER_EN_SET(0) | \ + CPU_PLL_DITHER1_NFRAC_MIN_SET(0) | \ + CPU_PLL_DITHER1_NFRAC_STEP_SET(0) | \ + CPU_PLL_DITHER1_UPDATE_COUNT_SET(0x0) +#define CPU_PLL_DITHER2_VAL CPU_PLL_DITHER2_NFRAC_MAX_SET(0x0) +#define DDR_PLL_CONFIG1_NINT_VAL DDR_PLL_CONFIG1_NINT_SET(0x1a) +#define DDR_PLL_CONFIG_REF_DIV_VAL DDR_PLL_CONFIG_REFDIV_SET(0x1) +#define DDR_PLL_CONFIG_RANGE_VAL DDR_PLL_CONFIG_RANGE_SET(0) +#define DDR_PLL_CONFIG_OUT_DIV_VAL1 DDR_PLL_CONFIG_OUTDIV_SET(0) +#define DDR_PLL_CONFIG_OUT_DIV_VAL2 DDR_PLL_CONFIG_OUTDIV_SET(0) +#define DDR_PLL_DITHER1_VAL DDR_PLL_DITHER1_DITHER_EN_SET(0) | \ + DDR_PLL_DITHER1_NFRAC_MIN_SET(0) | \ + DDR_PLL_DITHER1_NFRAC_STEP_SET(0) | \ + DDR_PLL_DITHER1_UPDATE_COUNT_SET(0x0) +#define DDR_PLL_DITHER2_VAL DDR_PLL_DITHER2_NFRAC_MAX_SET(0x0) +#define AHB_CLK_FROM_DDR CPU_DDR_CLOCK_CONTROL_AHBCLK_FROM_DDRPLL_SET(0) +#define CPU_AND_DDR_CLK_FROM_DDR \ + CPU_DDR_CLOCK_CONTROL_CPU_DDR_CLK_FROM_DDRPLL_SET(0) +#define CPU_AND_DDR_CLK_FROM_CPU \ + CPU_DDR_CLOCK_CONTROL_CPU_DDR_CLK_FROM_CPUPLL_SET(0) +#define CPU_DDR_CLOCK_CONTROL_AHB_DIV_VAL \ + CPU_DDR_CLOCK_CONTROL_AHB_POST_DIV_SET(0x2) +#define CPU_DDR_CLOCK_CONTROL_DDR_POST_DIV \ + CPU_DDR_CLOCK_CONTROL_DDR_POST_DIV_SET(0) +#define CPU_DDR_CLOCK_CONTROL_CPU_POST_DIV \ + CPU_DDR_CLOCK_CONTROL_CPU_POST_DIV_SET(0) + +static inline void set_val(u32 _reg, u32 _mask, u32 _val) +{ + void __iomem *pll_regs = map_physmem(AR71XX_PLL_BASE, + AR71XX_PLL_SIZE, MAP_NOCACHE); + writel((readl(pll_regs + _reg) & (~(_mask))) | _val, pll_regs + _reg); +} + +#define cpu_pll_set(_mask, _val) \ + set_val(QCA956X_PLL_CPU_CONFIG_REG, _mask, _val) + +#define ddr_pll_set(_mask, _val) \ + set_val(QCA956X_PLL_DDR_CONFIG_REG, _mask, _val) + +#define cpu_ddr_control_set(_mask, _val) \ + set_val(QCA956X_PLL_CLK_CTRL_REG, _mask, _val) + +DECLARE_GLOBAL_DATA_PTR; + +static u32 qca956x_get_xtal(void) +{ + u32 val; + + val = ath79_get_bootstrap(); + if (val & QCA956X_BOOTSTRAP_REF_CLK_40) + return 40000000; + else + return 25000000; +} + +int get_serial_clock(void) +{ + return qca956x_get_xtal(); +} + +void qca956x_pll_init(void) +{ + void __iomem *srif_regs = map_physmem(QCA956X_SRIF_BASE, + QCA956X_SRIF_SIZE, MAP_NOCACHE); + void __iomem *pll_regs = map_physmem(AR71XX_PLL_BASE, + AR71XX_PLL_SIZE, MAP_NOCACHE); + + /* 8.16.2 Baseband DPLL2 */ + writel(PLL_SRIF_DPLL2_KI_SET(2) | PLL_SRIF_DPLL2_KD_SET(0xa) | + PLL_SRIF_DPLL2_PLL_PWD_SET(1) | PLL_SRIF_DPLL2_OUTDIV_SET(1) | + PLL_SRIF_DPLL2_PHASE_SHIFT_SET(6), srif_regs + QCA956X_SRIF_BB_DPLL2_REG); + + /* 8.16.2 PCIE DPLL2 */ + writel(PLL_SRIF_DPLL2_KI_SET(2) | PLL_SRIF_DPLL2_KD_SET(0xa) | + PLL_SRIF_DPLL2_PLL_PWD_SET(1) | PLL_SRIF_DPLL2_OUTDIV_SET(3) | + PLL_SRIF_DPLL2_PHASE_SHIFT_SET(6), srif_regs + QCA956X_SRIF_PCIE_DPLL2_REG); + + /* 8.16.2 DDR DPLL2 */ + writel(PLL_SRIF_DPLL2_KI_SET(2) | PLL_SRIF_DPLL2_KD_SET(0xa) | + PLL_SRIF_DPLL2_PLL_PWD_SET(1) | PLL_SRIF_DPLL2_PHASE_SHIFT_SET(6), + srif_regs + QCA956X_SRIF_DDR_DPLL2_REG); + + /* 8.16.2 CPU DPLL2 */ + writel(PLL_SRIF_DPLL2_KI_SET(1) | PLL_SRIF_DPLL2_KD_SET(7) | + PLL_SRIF_DPLL2_PLL_PWD_SET(1) | PLL_SRIF_DPLL2_PHASE_SHIFT_SET(6), + srif_regs + QCA956X_SRIF_CPU_DPLL2_REG); + + /* pll_bypass_set */ + cpu_ddr_control_set(CPU_DDR_CLOCK_CONTROL_CPU_PLL_BYPASS_MASK, + CPU_DDR_CLOCK_CONTROL_CPU_PLL_BYPASS_SET(1)); + cpu_ddr_control_set(CPU_DDR_CLOCK_CONTROL_DDR_PLL_BYPASS_MASK, + CPU_DDR_CLOCK_CONTROL_DDR_PLL_BYPASS_SET(1)); + cpu_ddr_control_set(CPU_DDR_CLOCK_CONTROL_AHB_PLL_BYPASS_MASK, + CPU_DDR_CLOCK_CONTROL_AHB_PLL_BYPASS_SET(1)); + + /* init_cpu_pll */ + cpu_pll_set(CPU_PLL_CONFIG_PLLPWD_MASK, CPU_PLL_CONFIG_PLLPWD_SET(1)); + cpu_pll_set(CPU_PLL_CONFIG_REFDIV_MASK, CPU_PLL_CONFIG_REF_DIV_VAL); + cpu_pll_set(CPU_PLL_CONFIG_RANGE_MASK, CPU_PLL_CONFIG_RANGE_VAL); + cpu_pll_set(CPU_PLL_CONFIG_OUTDIV_MASK, CPU_PLL_CONFIG_OUT_DIV_VAL1); + set_val(QCA956X_PLL_CPU_CONFIG1_REG, CPU_PLL_CONFIG1_NINT_MASK, \ + CPU_PLL_CONFIG1_NINT_VAL); + + /* init_ddr_pll */ + ddr_pll_set(DDR_PLL_CONFIG_PLLPWD_MASK, DDR_PLL_CONFIG_PLLPWD_SET(1)); + ddr_pll_set(DDR_PLL_CONFIG_REFDIV_MASK, DDR_PLL_CONFIG_REF_DIV_VAL); + ddr_pll_set(DDR_PLL_CONFIG_RANGE_MASK, DDR_PLL_CONFIG_RANGE_VAL); + ddr_pll_set(DDR_PLL_CONFIG_OUTDIV_MASK, DDR_PLL_CONFIG_OUT_DIV_VAL1); + set_val(QCA956X_PLL_DDR_CONFIG1_REG, DDR_PLL_CONFIG1_NINT_MASK, + DDR_PLL_CONFIG1_NINT_VAL); + + /* init_ahb_pll */ + writel(CPU_DDR_CLOCK_CONTROL_AHB_DIV_VAL | AHB_CLK_FROM_DDR | + CPU_AND_DDR_CLK_FROM_DDR | CPU_AND_DDR_CLK_FROM_CPU | + CPU_DDR_CLOCK_CONTROL_DDR_POST_DIV | CPU_DDR_CLOCK_CONTROL_CPU_POST_DIV | + CPU_DDR_CLOCK_CONTROL_CPU_PLL_BYPASS_SET(1) | + CPU_DDR_CLOCK_CONTROL_DDR_PLL_BYPASS_SET(1) | + CPU_DDR_CLOCK_CONTROL_AHB_PLL_BYPASS_SET(1), pll_regs + QCA956X_PLL_CLK_CTRL_REG); + + /* ddr_pll_dither_unset */ + writel(DDR_PLL_DITHER1_VAL, pll_regs + QCA956X_PLL_DDR_DIT_FRAC_REG); + writel(DDR_PLL_DITHER2_VAL, pll_regs + QCA956X_PLL_DDR_DIT2_FRAC_REG); + + /* cpu_pll_dither_unset */ + writel(CPU_PLL_DITHER1_VAL, pll_regs + QCA956X_PLL_CPU_DIT_FRAC_REG); + writel(CPU_PLL_DITHER2_VAL, pll_regs + QCA956X_PLL_CPU_DIT2_FRAC_REG); + + /* pll_pwd_unset */ + cpu_pll_set(CPU_PLL_CONFIG_PLLPWD_MASK, CPU_PLL_CONFIG_PLLPWD_SET(0)); + ddr_pll_set(DDR_PLL_CONFIG_PLLPWD_MASK, DDR_PLL_CONFIG_PLLPWD_SET(0)); + + /* outdiv_unset */ + cpu_pll_set(CPU_PLL_CONFIG_OUTDIV_MASK, CPU_PLL_CONFIG_OUT_DIV_VAL2); + ddr_pll_set(DDR_PLL_CONFIG_OUTDIV_MASK, DDR_PLL_CONFIG_OUT_DIV_VAL2); + + /* pll_bypass_unset */ + cpu_ddr_control_set(CPU_DDR_CLOCK_CONTROL_CPU_PLL_BYPASS_MASK, + CPU_DDR_CLOCK_CONTROL_CPU_PLL_BYPASS_SET(0)); + cpu_ddr_control_set(CPU_DDR_CLOCK_CONTROL_DDR_PLL_BYPASS_MASK, + CPU_DDR_CLOCK_CONTROL_DDR_PLL_BYPASS_SET(0)); + cpu_ddr_control_set(CPU_DDR_CLOCK_CONTROL_AHB_PLL_BYPASS_MASK, + CPU_DDR_CLOCK_CONTROL_AHB_PLL_BYPASS_SET(0)); + + while (readl(pll_regs + QCA956X_PLL_CPU_CONFIG_REG) & 0x8000000) + /* NOP */; + + while (readl(pll_regs + QCA956X_PLL_DDR_CONFIG_REG) & 0x8000000) + /* NOP */; +} + +int get_clocks(void) +{ + void __iomem *regs; + u32 ref_rate, cpu_rate, ddr_rate, ahb_rate; + u32 out_div, ref_div, postdiv, nint, hfrac, lfrac, clk_ctrl; + u32 pll, cpu_pll, ddr_pll, misc; + + /* + * QCA956x timer init workaround has to be applied right before setting + * up the clock. Else, there will be no jiffies + */ + regs = map_physmem(AR71XX_RESET_BASE, AR71XX_RESET_SIZE, + MAP_NOCACHE); + misc = readl(regs + AR71XX_RESET_REG_MISC_INT_ENABLE); + misc |= MISC_INT_MIPS_SI_TIMERINT_MASK; + writel(misc, regs + AR71XX_RESET_REG_MISC_INT_ENABLE); + + regs = map_physmem(AR71XX_PLL_BASE, AR71XX_PLL_SIZE, + MAP_NOCACHE); + pll = readl(regs + QCA956X_PLL_CPU_CONFIG_REG); + out_div = (pll >> QCA956X_PLL_CPU_CONFIG_OUTDIV_SHIFT) & + QCA956X_PLL_CPU_CONFIG_OUTDIV_MASK; + ref_div = (pll >> QCA956X_PLL_CPU_CONFIG_REFDIV_SHIFT) & + QCA956X_PLL_CPU_CONFIG_REFDIV_MASK; + + pll = readl(regs + QCA956X_PLL_CPU_CONFIG1_REG); + nint = (pll >> QCA956X_PLL_CPU_CONFIG1_NINT_SHIFT) & + QCA956X_PLL_CPU_CONFIG1_NINT_MASK; + hfrac = (pll >> QCA956X_PLL_CPU_CONFIG1_NFRAC_H_SHIFT) & + QCA956X_PLL_CPU_CONFIG1_NFRAC_H_MASK; + lfrac = (pll >> QCA956X_PLL_CPU_CONFIG1_NFRAC_L_SHIFT) & + QCA956X_PLL_CPU_CONFIG1_NFRAC_L_MASK; + + ref_rate = qca956x_get_xtal(); + + cpu_pll = nint * ref_rate / ref_div; + cpu_pll += (lfrac * ref_rate) / ((ref_div * 25) << 13); + cpu_pll += (hfrac >> 13) * ref_rate / ref_div; + cpu_pll /= (1 << out_div); + + pll = readl(regs + QCA956X_PLL_DDR_CONFIG_REG); + out_div = (pll >> QCA956X_PLL_DDR_CONFIG_OUTDIV_SHIFT) & + QCA956X_PLL_DDR_CONFIG_OUTDIV_MASK; + ref_div = (pll >> QCA956X_PLL_DDR_CONFIG_REFDIV_SHIFT) & + QCA956X_PLL_DDR_CONFIG_REFDIV_MASK; + pll = readl(regs + QCA956X_PLL_DDR_CONFIG1_REG); + nint = (pll >> QCA956X_PLL_DDR_CONFIG1_NINT_SHIFT) & + QCA956X_PLL_DDR_CONFIG1_NINT_MASK; + hfrac = (pll >> QCA956X_PLL_DDR_CONFIG1_NFRAC_H_SHIFT) & + QCA956X_PLL_DDR_CONFIG1_NFRAC_H_MASK; + lfrac = (pll >> QCA956X_PLL_DDR_CONFIG1_NFRAC_L_SHIFT) & + QCA956X_PLL_DDR_CONFIG1_NFRAC_L_MASK; + + ddr_pll = nint * ref_rate / ref_div; + ddr_pll += (lfrac * ref_rate) / ((ref_div * 25) << 13); + ddr_pll += (hfrac >> 13) * ref_rate / ref_div; + ddr_pll /= (1 << out_div); + + clk_ctrl = readl(regs + QCA956X_PLL_CLK_CTRL_REG); + + postdiv = (clk_ctrl >> QCA956X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT) & + QCA956X_PLL_CLK_CTRL_CPU_POST_DIV_MASK; + + if (clk_ctrl & QCA956X_PLL_CLK_CTRL_CPU_PLL_BYPASS) + cpu_rate = ref_rate; + else if (clk_ctrl & QCA956X_PLL_CLK_CTRL_CPU_DDRCLK_FROM_CPUPLL) + cpu_rate = ddr_pll / (postdiv + 1); + else + cpu_rate = cpu_pll / (postdiv + 1); + + postdiv = (clk_ctrl >> QCA956X_PLL_CLK_CTRL_DDR_POST_DIV_SHIFT) & + QCA956X_PLL_CLK_CTRL_DDR_POST_DIV_MASK; + + if (clk_ctrl & QCA956X_PLL_CLK_CTRL_DDR_PLL_BYPASS) + ddr_rate = ref_rate; + else if (clk_ctrl & QCA956X_PLL_CLK_CTRL_CPU_DDRCLK_FROM_DDRPLL) + ddr_rate = cpu_pll / (postdiv + 1); + else + ddr_rate = ddr_pll / (postdiv + 1); + + postdiv = (clk_ctrl >> QCA956X_PLL_CLK_CTRL_AHB_POST_DIV_SHIFT) & + QCA956X_PLL_CLK_CTRL_AHB_POST_DIV_MASK; + + if (clk_ctrl & QCA956X_PLL_CLK_CTRL_AHB_PLL_BYPASS) + ahb_rate = ref_rate; + else if (clk_ctrl & QCA956X_PLL_CLK_CTRL_AHBCLK_FROM_DDRPLL) + ahb_rate = ddr_pll / (postdiv + 1); + else + ahb_rate = cpu_pll / (postdiv + 1); + + gd->cpu_clk = cpu_rate; + gd->mem_clk = ddr_rate; + gd->bus_clk = ahb_rate; + + debug("cpu_clk=%u, ddr_clk=%u, bus_clk=%u\n", + cpu_rate, ddr_rate, ahb_rate); + + return 0; +} + +ulong get_bus_freq(ulong dummy) +{ + if (!gd->bus_clk) + get_clocks(); + return gd->bus_clk; +} + +ulong get_ddr_freq(ulong dummy) +{ + if (!gd->mem_clk) + get_clocks(); + return gd->mem_clk; +} diff --git a/roms/u-boot/arch/mips/mach-ath79/qca956x/cpu.c b/roms/u-boot/arch/mips/mach-ath79/qca956x/cpu.c new file mode 100644 index 000000000..08a8c84e7 --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/qca956x/cpu.c @@ -0,0 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2019 Rosy Song <rosysong@rosinson.com> + */ + +#include <common.h> + +/* The lowlevel_init() is not needed on QCA956X */ +void lowlevel_init(void) {} diff --git a/roms/u-boot/arch/mips/mach-ath79/qca956x/ddr.c b/roms/u-boot/arch/mips/mach-ath79/qca956x/ddr.c new file mode 100644 index 000000000..f9cf8daa2 --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/qca956x/ddr.c @@ -0,0 +1,310 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2019 Rosy Song <rosysong@rosinson.com> + * + * Based on QSDK + */ + +#include <common.h> +#include <asm/global_data.h> +#include <asm/io.h> +#include <asm/addrspace.h> +#include <asm/types.h> +#include <linux/delay.h> +#include <mach/ar71xx_regs.h> +#include <mach/ath79.h> + +#define DDR_FSM_WAIT_CTRL_VAL 0xa12 +#define DDR_CTL_CONFIG_SRAM_TSEL_LSB 30 +#define DDR_CTL_CONFIG_SRAM_TSEL_MASK 0xc0000000 +#define DDR_CTL_CONFIG_SRAM_TSEL_SET(x) \ + (((x) << DDR_CTL_CONFIG_SRAM_TSEL_LSB) & DDR_CTL_CONFIG_SRAM_TSEL_MASK) +#define DDR_CTL_CONFIG_GE0_SRAM_SYNC_LSB 20 +#define DDR_CTL_CONFIG_GE0_SRAM_SYNC_MASK 0x00100000 +#define DDR_CTL_CONFIG_GE0_SRAM_SYNC_SET(x) \ + (((x) << DDR_CTL_CONFIG_GE0_SRAM_SYNC_LSB) & DDR_CTL_CONFIG_GE0_SRAM_SYNC_MASK) +#define DDR_CTL_CONFIG_GE1_SRAM_SYNC_LSB 19 +#define DDR_CTL_CONFIG_GE1_SRAM_SYNC_MASK 0x00080000 +#define DDR_CTL_CONFIG_GE1_SRAM_SYNC_SET(x) \ + (((x) << DDR_CTL_CONFIG_GE1_SRAM_SYNC_LSB) & DDR_CTL_CONFIG_GE1_SRAM_SYNC_MASK) +#define DDR_CTL_CONFIG_USB_SRAM_SYNC_LSB 18 +#define DDR_CTL_CONFIG_USB_SRAM_SYNC_MASK 0x00040000 +#define DDR_CTL_CONFIG_USB_SRAM_SYNC_SET(x) \ + (((x) << DDR_CTL_CONFIG_USB_SRAM_SYNC_LSB) & DDR_CTL_CONFIG_USB_SRAM_SYNC_MASK) +#define DDR_CTL_CONFIG_PCIE_SRAM_SYNC_LSB 17 +#define DDR_CTL_CONFIG_PCIE_SRAM_SYNC_MASK 0x00020000 +#define DDR_CTL_CONFIG_PCIE_SRAM_SYNC_SET(x) \ + (((x) << DDR_CTL_CONFIG_PCIE_SRAM_SYNC_LSB) & DDR_CTL_CONFIG_PCIE_SRAM_SYNC_MASK) +#define DDR_CTL_CONFIG_WMAC_SRAM_SYNC_LSB 16 +#define DDR_CTL_CONFIG_WMAC_SRAM_SYNC_MASK 0x00010000 +#define DDR_CTL_CONFIG_WMAC_SRAM_SYNC_SET(x) \ + (((x) << DDR_CTL_CONFIG_WMAC_SRAM_SYNC_LSB) & DDR_CTL_CONFIG_WMAC_SRAM_SYNC_MASK) +#define DDR_CTL_CONFIG_MISC_SRC1_SRAM_SYNC_LSB 15 +#define DDR_CTL_CONFIG_MISC_SRC1_SRAM_SYNC_MASK 0x00008000 +#define DDR_CTL_CONFIG_MISC_SRC1_SRAM_SYNC_SET(x) \ + (((x) << DDR_CTL_CONFIG_MISC_SRC1_SRAM_SYNC_LSB) & DDR_CTL_CONFIG_MISC_SRC1_SRAM_SYNC_MASK) +#define DDR_CTL_CONFIG_MISC_SRC2_SRAM_SYNC_LSB 14 +#define DDR_CTL_CONFIG_MISC_SRC2_SRAM_SYNC_MASK 0x00004000 +#define DDR_CTL_CONFIG_MISC_SRC2_SRAM_SYNC_SET(x) \ + (((x) << DDR_CTL_CONFIG_MISC_SRC2_SRAM_SYNC_LSB) & DDR_CTL_CONFIG_MISC_SRC2_SRAM_SYNC_MASK) +#define DDR_CTL_CONFIG_PAD_DDR2_SEL_LSB 6 +#define DDR_CTL_CONFIG_PAD_DDR2_SEL_MASK 0x00000040 +#define DDR_CTL_CONFIG_PAD_DDR2_SEL_SET(x) \ + (((x) << DDR_CTL_CONFIG_PAD_DDR2_SEL_LSB) & DDR_CTL_CONFIG_PAD_DDR2_SEL_MASK) +#define DDR_CTL_CONFIG_CPU_DDR_SYNC_LSB 2 +#define DDR_CTL_CONFIG_CPU_DDR_SYNC_MASK 0x00000004 +#define DDR_CTL_CONFIG_CPU_DDR_SYNC_SET(x) \ + (((x) << DDR_CTL_CONFIG_CPU_DDR_SYNC_LSB) & DDR_CTL_CONFIG_CPU_DDR_SYNC_MASK) +#define DDR_CTL_CONFIG_HALF_WIDTH_LSB 1 +#define DDR_CTL_CONFIG_HALF_WIDTH_MASK 0x00000002 +#define DDR_CTL_CONFIG_HALF_WIDTH_SET(x) \ + (((x) << DDR_CTL_CONFIG_HALF_WIDTH_LSB) & DDR_CTL_CONFIG_HALF_WIDTH_MASK) +#define DDR_CONFIG_CAS_LATENCY_MSB_LSB 31 +#define DDR_CONFIG_CAS_LATENCY_MSB_MASK 0x80000000 +#define DDR_CONFIG_CAS_LATENCY_MSB_SET(x) \ + (((x) << DDR_CONFIG_CAS_LATENCY_MSB_LSB) & DDR_CONFIG_CAS_LATENCY_MSB_MASK) +#define DDR_CONFIG_OPEN_PAGE_LSB 30 +#define DDR_CONFIG_OPEN_PAGE_MASK 0x40000000 +#define DDR_CONFIG_OPEN_PAGE_SET(x) \ + (((x) << DDR_CONFIG_OPEN_PAGE_LSB) & DDR_CONFIG_OPEN_PAGE_MASK) +#define DDR_CONFIG_CAS_LATENCY_LSB 27 +#define DDR_CONFIG_CAS_LATENCY_MASK 0x38000000 +#define DDR_CONFIG_CAS_LATENCY_SET(x) \ + (((x) << DDR_CONFIG_CAS_LATENCY_LSB) & DDR_CONFIG_CAS_LATENCY_MASK) +#define DDR_CONFIG_TMRD_LSB 23 +#define DDR_CONFIG_TMRD_MASK 0x07800000 +#define DDR_CONFIG_TMRD_SET(x) \ + (((x) << DDR_CONFIG_TMRD_LSB) & DDR_CONFIG_TMRD_MASK) +#define DDR_CONFIG_TRFC_LSB 17 +#define DDR_CONFIG_TRFC_MASK 0x007e0000 +#define DDR_CONFIG_TRFC_SET(x) \ + (((x) << DDR_CONFIG_TRFC_LSB) & DDR_CONFIG_TRFC_MASK) +#define DDR_CONFIG_TRRD_LSB 13 +#define DDR_CONFIG_TRRD_MASK 0x0001e000 +#define DDR_CONFIG_TRRD_SET(x) \ + (((x) << DDR_CONFIG_TRRD_LSB) & DDR_CONFIG_TRRD_MASK) +#define DDR_CONFIG_TRP_LSB 9 +#define DDR_CONFIG_TRP_MASK 0x00001e00 +#define DDR_CONFIG_TRP_SET(x) \ + (((x) << DDR_CONFIG_TRP_LSB) & DDR_CONFIG_TRP_MASK) +#define DDR_CONFIG_TRCD_LSB 5 +#define DDR_CONFIG_TRCD_MASK 0x000001e0 +#define DDR_CONFIG_TRCD_SET(x) \ + (((x) << DDR_CONFIG_TRCD_LSB) & DDR_CONFIG_TRCD_MASK) +#define DDR_CONFIG_TRAS_LSB 0 +#define DDR_CONFIG_TRAS_MASK 0x0000001f +#define DDR_CONFIG_TRAS_SET(x) \ + (((x) << DDR_CONFIG_TRAS_LSB) & DDR_CONFIG_TRAS_MASK) +#define DDR_CONFIG2_HALF_WIDTH_LOW_LSB 31 +#define DDR_CONFIG2_HALF_WIDTH_LOW_MASK 0x80000000 +#define DDR_CONFIG2_HALF_WIDTH_LOW_SET(x) \ + (((x) << DDR_CONFIG2_HALF_WIDTH_LOW_LSB) & DDR_CONFIG2_HALF_WIDTH_LOW_MASK) +#define DDR_CONFIG2_SWAP_A26_A27_LSB 30 +#define DDR_CONFIG2_SWAP_A26_A27_MASK 0x40000000 +#define DDR_CONFIG2_SWAP_A26_A27_SET(x) \ + (((x) << DDR_CONFIG2_SWAP_A26_A27_LSB) & DDR_CONFIG2_SWAP_A26_A27_MASK) +#define DDR_CONFIG2_GATE_OPEN_LATENCY_LSB 26 +#define DDR_CONFIG2_GATE_OPEN_LATENCY_MASK 0x3c000000 +#define DDR_CONFIG2_GATE_OPEN_LATENCY_SET(x) \ + (((x) << DDR_CONFIG2_GATE_OPEN_LATENCY_LSB) & DDR_CONFIG2_GATE_OPEN_LATENCY_MASK) +#define DDR_CONFIG2_TWTR_LSB 21 +#define DDR_CONFIG2_TWTR_MASK 0x03e00000 +#define DDR_CONFIG2_TWTR_SET(x) \ + (((x) << DDR_CONFIG2_TWTR_LSB) & DDR_CONFIG2_TWTR_MASK) +#define DDR_CONFIG2_TRTP_LSB 17 +#define DDR_CONFIG2_TRTP_MASK 0x001e0000 +#define DDR_CONFIG2_TRTP_SET(x) \ + (((x) << DDR_CONFIG2_TRTP_LSB) & DDR_CONFIG2_TRTP_MASK) +#define DDR_CONFIG2_TRTW_LSB 12 +#define DDR_CONFIG2_TRTW_MASK 0x0001f000 +#define DDR_CONFIG2_TRTW_SET(x) \ + (((x) << DDR_CONFIG2_TRTW_LSB) & DDR_CONFIG2_TRTW_MASK) +#define DDR_CONFIG2_TWR_LSB 8 +#define DDR_CONFIG2_TWR_MASK 0x00000f00 +#define DDR_CONFIG2_TWR_SET(x) \ + (((x) << DDR_CONFIG2_TWR_LSB) & DDR_CONFIG2_TWR_MASK) +#define DDR_CONFIG2_CKE_LSB 7 +#define DDR_CONFIG2_CKE_MASK 0x00000080 +#define DDR_CONFIG2_CKE_SET(x) \ + (((x) << DDR_CONFIG2_CKE_LSB) & DDR_CONFIG2_CKE_MASK) +#define DDR_CONFIG2_CNTL_OE_EN_LSB 5 +#define DDR_CONFIG2_CNTL_OE_EN_MASK 0x00000020 +#define DDR_CONFIG2_CNTL_OE_EN_SET(x) \ + (((x) << DDR_CONFIG2_CNTL_OE_EN_LSB) & DDR_CONFIG2_CNTL_OE_EN_MASK) +#define DDR_CONFIG2_BURST_LENGTH_LSB 0 +#define DDR_CONFIG2_BURST_LENGTH_MASK 0x0000000f +#define DDR_CONFIG2_BURST_LENGTH_SET(x) \ + (((x) << DDR_CONFIG2_BURST_LENGTH_LSB) & DDR_CONFIG2_BURST_LENGTH_MASK) +#define RST_BOOTSTRAP_ADDRESS 0x180600b0 +#define PMU2_SWREGMSB_LSB 22 +#define PMU2_SWREGMSB_MASK 0xffc00000 +#define PMU2_SWREGMSB_SET(x) \ + (((x) << PMU2_SWREGMSB_LSB) & PMU2_SWREGMSB_MASK) +#define PMU2_PGM_LSB 21 +#define PMU2_PGM_MASK 0x00200000 +#define PMU2_PGM_SET(x) \ + (((x) << PMU2_PGM_LSB) & PMU2_PGM_MASK) + +#define CPU_DDR_SYNC_MODE DDR_CTL_CONFIG_CPU_DDR_SYNC_SET(0) + +/* +* DDR2 DDR1 +* 0x40c3 25MHz 0x4186 25Mhz +* 0x4138 40MHz 0x4270 40Mhz +*/ +#define CFG_DDR2_REFRESH_VAL 0x40c3 +#define CFG_DDR2_CONFIG_VAL DDR_CONFIG_CAS_LATENCY_MSB_SET(0x1) | \ + DDR_CONFIG_OPEN_PAGE_SET(0x1) | DDR_CONFIG_CAS_LATENCY_SET(0x4) | \ + DDR_CONFIG_TMRD_SET(0x6) | DDR_CONFIG_TRFC_SET(0x16) | \ + DDR_CONFIG_TRRD_SET(0x7) | DDR_CONFIG_TRP_SET(0xb) | \ + DDR_CONFIG_TRCD_SET(0xb) | DDR_CONFIG_TRAS_SET(0) +#define CFG_DDR2_CONFIG2_VAL DDR_CONFIG2_HALF_WIDTH_LOW_SET(0x1) | \ + DDR_CONFIG2_SWAP_A26_A27_SET(0x0) | DDR_CONFIG2_GATE_OPEN_LATENCY_SET(0xa) | \ + DDR_CONFIG2_TWTR_SET(0x16) | DDR_CONFIG2_TRTP_SET(0xa) | \ + DDR_CONFIG2_TRTW_SET(0xe) | DDR_CONFIG2_TWR_SET(0x2) | \ + DDR_CONFIG2_CKE_SET(0x1) | DDR_CONFIG2_CNTL_OE_EN_SET(0x1) | \ + DDR_CONFIG2_BURST_LENGTH_SET(0x8) + +#define CFG_DDR2_CONFIG3_VAL 0x0000000e +#define CFG_DDR2_EXT_MODE_VAL1 0x782 +#define CFG_DDR2_EXT_MODE_VAL2 0x402 +#define CFG_DDR2_MODE_VAL_INIT 0xb53 +#define CFG_DDR2_MODE_VAL 0xa53 +#define CFG_DDR2_TAP_VAL 0x10 +#define CFG_DDR2_EN_TWL_VAL 0x00001e91 +#define CFG_DDR2_RD_DATA_THIS_CYCLE_VAL_16 0xffff + +#define CFG_DDR_CTL_CONFIG DDR_CTL_CONFIG_SRAM_TSEL_SET(0x1) | \ + DDR_CTL_CONFIG_GE0_SRAM_SYNC_SET(0x1) | \ + DDR_CTL_CONFIG_GE1_SRAM_SYNC_SET(0x1) | \ + DDR_CTL_CONFIG_USB_SRAM_SYNC_SET(0x1) | \ + DDR_CTL_CONFIG_PCIE_SRAM_SYNC_SET(0x1) | \ + DDR_CTL_CONFIG_WMAC_SRAM_SYNC_SET(0x1) | \ + DDR_CTL_CONFIG_MISC_SRC1_SRAM_SYNC_SET(0x1) | \ + DDR_CTL_CONFIG_MISC_SRC2_SRAM_SYNC_SET(0x1) + +DECLARE_GLOBAL_DATA_PTR; + +void qca956x_ddr_init(void) +{ + u32 ddr_config, ddr_config2, ddr_config3, mod_val, \ + mod_val_init, cycle_val, tap_val, ctl_config; + void __iomem *ddr_regs = map_physmem(AR71XX_DDR_CTRL_BASE, AR71XX_DDR_CTRL_SIZE, + MAP_NOCACHE); + void __iomem *srif_regs = map_physmem(QCA956X_SRIF_BASE, QCA956X_SRIF_SIZE, + MAP_NOCACHE); + + ddr_config = CFG_DDR2_CONFIG_VAL; + ddr_config2 = CFG_DDR2_CONFIG2_VAL; + ddr_config3 = CFG_DDR2_CONFIG3_VAL; + mod_val_init = CFG_DDR2_MODE_VAL_INIT; + mod_val = CFG_DDR2_MODE_VAL; + tap_val = CFG_DDR2_TAP_VAL; + cycle_val = CFG_DDR2_RD_DATA_THIS_CYCLE_VAL_16; + ctl_config = CFG_DDR_CTL_CONFIG | DDR_CTL_CONFIG_PAD_DDR2_SEL_SET(0x1) | + DDR_CTL_CONFIG_HALF_WIDTH_SET(0x1) | CPU_DDR_SYNC_MODE; + + writel(0x10, ddr_regs + AR71XX_DDR_REG_CONTROL); + udelay(10); + + writel(0x20, ddr_regs + AR71XX_DDR_REG_CONTROL); + udelay(10); + + writel(ctl_config, ddr_regs + QCA956X_DDR_REG_CTL_CONF); + udelay(10); + + writel(cycle_val, ddr_regs + AR71XX_DDR_REG_RD_CYCLE); + udelay(100); + + writel(0x74444444, ddr_regs + QCA956X_DDR_REG_BURST); + udelay(100); + + writel(0x44444444, ddr_regs + QCA956X_DDR_REG_BURST2); + udelay(100); + + writel(DDR_FSM_WAIT_CTRL_VAL, ddr_regs + QCA956X_DDR_REG_FSM_WAIT_CTRL); + udelay(100); + + writel(0xfffff, ddr_regs + QCA956X_DDR_REG_TIMEOUT_MAX); + udelay(100); + + writel(ddr_config, ddr_regs + AR71XX_DDR_REG_CONFIG); + udelay(100); + + writel(ddr_config2, ddr_regs + AR71XX_DDR_REG_CONFIG2); + udelay(100); + + writel(ddr_config3, ddr_regs + QCA956X_DDR_REG_DDR3_CONFIG); + udelay(100); + + writel(CFG_DDR2_EN_TWL_VAL, ddr_regs + QCA956X_DDR_REG_DDR2_CONFIG); + udelay(100); + + writel(ddr_config2 | 0x80, ddr_regs + AR71XX_DDR_REG_CONFIG2); /* CKE Enable */ + udelay(100); + + writel(0x8, ddr_regs + AR71XX_DDR_REG_CONTROL); /* Precharge */ + udelay(10); + + writel(0, ddr_regs + QCA956X_DDR_REG_DDR2_EMR2); + writel(0x10, ddr_regs + AR71XX_DDR_REG_CONTROL); /* EMR2 */ + udelay(10); + + writel(0, ddr_regs + QCA956X_DDR_REG_DDR2_EMR3); + writel(0x20, ddr_regs + AR71XX_DDR_REG_CONTROL); /* EMR3 */ + udelay(10); + + /* EMR DLL enable, Reduced Driver Impedance control, Differential DQS disabled */ + writel(CFG_DDR2_EXT_MODE_VAL2, ddr_regs + AR71XX_DDR_REG_EMR); + udelay(100); + + writel(0x2, ddr_regs + AR71XX_DDR_REG_CONTROL); /* EMR write */ + udelay(10); + + writel(mod_val_init, ddr_regs + AR71XX_DDR_REG_MODE); + udelay(1000); + + writel(0x1, ddr_regs + AR71XX_DDR_REG_CONTROL); /* MR Write */ + udelay(10); + + writel(0x8, ddr_regs + AR71XX_DDR_REG_CONTROL); /* Precharge */ + udelay(10); + + writel(0x4, ddr_regs + AR71XX_DDR_REG_CONTROL); /* Auto Refresh */ + udelay(10); + + writel(0x4, ddr_regs + AR71XX_DDR_REG_CONTROL); /* Auto Refresh */ + udelay(10); + + /* Issue MRS to remove DLL out-of-reset */ + writel(mod_val, ddr_regs + AR71XX_DDR_REG_MODE); + udelay(100); + + writel(0x1, ddr_regs + AR71XX_DDR_REG_CONTROL); /* MR write */ + udelay(100); + + writel(CFG_DDR2_EXT_MODE_VAL1, ddr_regs + AR71XX_DDR_REG_EMR); + udelay(100); + + writel(0x2, ddr_regs + AR71XX_DDR_REG_CONTROL); /* EMR write */ + udelay(100); + + writel(CFG_DDR2_EXT_MODE_VAL2, ddr_regs + AR71XX_DDR_REG_EMR); + udelay(100); + + writel(0x2, ddr_regs + AR71XX_DDR_REG_CONTROL); /* EMR write */ + udelay(100); + + writel(CFG_DDR2_REFRESH_VAL, ddr_regs + AR71XX_DDR_REG_REFRESH); + udelay(100); + + writel(tap_val, ddr_regs + AR71XX_DDR_REG_TAP_CTRL0); + writel(tap_val, ddr_regs + AR71XX_DDR_REG_TAP_CTRL1); + writel(tap_val, ddr_regs + QCA956X_DDR_REG_TAP_CTRL2); + writel(tap_val, ddr_regs + QCA956X_DDR_REG_TAP_CTRL3); + + writel(0x633c8176, srif_regs + QCA956X_SRIF_PMU1_REG); + /* Set DDR2 Voltage to 1.8 volts */ + writel(PMU2_SWREGMSB_SET(0x40) | PMU2_PGM_SET(0x1), + srif_regs + QCA956X_SRIF_PMU2_REG); +} diff --git a/roms/u-boot/arch/mips/mach-ath79/qca956x/qca956x-ddr-tap.S b/roms/u-boot/arch/mips/mach-ath79/qca956x/qca956x-ddr-tap.S new file mode 100644 index 000000000..db54b575f --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/qca956x/qca956x-ddr-tap.S @@ -0,0 +1,193 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2019 Rosy Song <rosysong@rosinson.com> + * + * Based on QSDK + */ + +#include <config.h> +#include <asm/asm.h> +#include <asm/regdef.h> +#include <asm/mipsregs.h> +#include <asm/addrspace.h> +#include <mach/ar71xx_regs.h> + + .set noreorder + +LEAF(ddr_tap_tuning) + li a0, 0xbd001f00 + sw zero, 0x0(a0) /* Place where the tap values are saved and used for SWEEP */ + sw zero, 0x4(a0) /* Place where the number of passing taps are saved. */ + sw zero, 0x14(a0) /* Place where the last pass tap value is stored */ + li a1, 0xaa55aa55 /* Indicates that the First pass tap value is not found */ + sw a1, 0x10(a0) /* Place where the First pass tap value is stored */ + nop + + li a0, CKSEG1ADDR(AR71XX_RESET_BASE) /* RESET_BASE_ADDRESS */ + lw a1, 0x1c(a0) /* Reading the RST_RESET_ADDRESS */ + li a2, 0x08000000 /* Setting the RST_RESET_RTC_RESET */ + or a1, a1, a2 + sw a1, 0x1c(a0) + + li a3, 0xffffffff + xor a2, a2, a3 + and a1, a1, a2 + sw a1, 0x1c(a0) /* Taking the RTC out of RESET */ + nop + + li a0, CKSEG1ADDR(QCA956X_RTC_BASE) /* RTC_BASE_ADDRESS */ + li a1, 0x1 + sw a1, 0x0040(a0) /* RTC_SYNC_RESET_ADDRESS */ + + li a2, 0x2 + +_poll_for_RTC_ON: + lw a1, 0x0044(a0) /* RTC_SYNC_STATUS_ADDRESS */ + and a1, a2, a1 + bne a1, a2, _poll_for_RTC_ON + nop + +_CHANGE_TAPS: + li t0, 0xbd001f00 /* Read the current value of the TAP for programming */ + lw t1, 0x0(t0) + li t2, 0x00000000 + or t3, t1, t2 + + li t0, 0xb8000000 /* DDR_BASE_ADDRESS */ + sw t3, 0x1c(t0) /* TAP_CONTROL_0_ADDRESS */ + sw t3, 0x20(t0) /* TAP_CONTROL_1_ADDRESS */ + sw t3, 0x24(t0) /* TAP_CONTROL_2_ADDRESS */ + sw t3, 0x28(t0) /* TAP_CONTROL_3_ADDRESS */ + + li t1, 0x00000010 /* Running the test 8 times */ + sw t1, 0x0068(t0) /* PERF_COMP_ADDR_1_ADDRESS */ + + li t1, 0xfa5de83f /* 4 Row Address Bits, 4 Column Address Bits, 2 BA bits */ + sw t1, 0x002c(t0) /* PERF_MASK_ADDR_0_ADDRESS */ + + li t1, 0x0000ffff + sw t1, 0x0070(t0) /* PERF_COMP_AHB_GE0_1_ADDRESS */ + + li t1, 0x0000ffff + sw t1, 0x0040(t0) /* PERF_COMP_AHB_GE1_0_ADDRESS */ + + li t1, 0x0000ffff + sw t1, 0x0078(t0) /* PERF_COMP_AHB_GE1_1_ADDRESS */ + + li t1, 0x0000ffff + sw t1, 0x0034(t0) /* PERF_MASK_AHB_GE0_0_ADDRESS */ + + li t1, 0x0000ffff + sw t1, 0x006c(t0) /* PERF_MASK_AHB_GE0_1_ADDRESS */ + + li t1, 0x0000ffff + sw t1, 0x003c(t0) /* PERF_MASK_AHB_GE1_0_ADDRESS */ + + li t1, 0x0000ffff + sw t1, 0x0074(t0) /* PERF_MASK_AHB_GE1_1_ADDRESS */ + + li t1, 0x0000ffff + sw t1, 0x0038(t0) /* PERF_COMP_AHB_GE0_0_ADDRESS */ + + li t1, 0x00000001 + sw t1, 0x011c(t0) /* DDR_BIST_ADDRESS */ + + li t2, 0x1 + +_bist_done_poll: + lw t1, 0x0120(t0) /* DDR_BIST_STATUS_ADDRESS */ + and t1, t1, t2 + bne t1, t2, _bist_done_poll + nop + + lw t1, 0x0120(t0) /* DDR_BIST_STATUS_ADDRESS */ + li t4, 0x000001fe + and t2, t1, t4 + srl t2, t2, 0x1 /* no. of Pass Runs */ + + li t5, 0x00000000 + sw t5, 0x011c(t0) /* DDR_BIST_ADDRESS - Stop the DDR BIST test */ + + li t5, 0x0001fe00 + and t5, t5, t1 + bnez t5, _iterate_tap /* This is a redundant compare but nevertheless - Comparing the FAILS */ + nop + + lw t1, 0x0068(t0) /* PERF_COMP_ADDR_1_ADDRESS */ + li t3, 0x000001fe + and t3, t3, t1 + srl t3, t3, 0x1 /* No. of runs in the config register. */ + bne t3, t2, _iterate_tap + nop + +pass_tap: + li t0, 0xbd001f00 + lw t1, 0x4(t0) + addiu t1, t1, 0x1 + sw t1, 0x4(t0) + + li t0, 0xbd001f10 + lw t1, 0x0(t0) + li t2, 0xaa55aa55 + beq t1, t2, _first_pass + nop + + li t0, 0xbd001f00 + lw t1, 0x0(t0) + li t0, 0xbd001f10 + sw t1, 0x4(t0) + nop + b _iterate_tap + nop + +_first_pass: + li t0, 0xbd001f00 + lw t1, 0x0(t0) + li t0, 0xbd001f10 + sw t1, 0x0(t0) + sw t1, 0x4(t0) + nop + +_iterate_tap: + li t0, 0xbd001f00 + lw t1, 0x0(t0) + li t2, 0x3f + beq t1, t2, _STOP_TEST + nop + + addiu t1, t1, 0x1 + sw t1, 0x0(t0) + nop + b _CHANGE_TAPS + nop + +_STOP_TEST: + li t0, 0xbd001f00 + lw t1, 0x4(t0) + bnez t1, _load_center_tap + nop + + li t3, 0x8 /* Default Tap to be used */ + b _load_tap_into_reg + nop + +_load_center_tap: + li t0, 0xbd001f10 + lw t1, 0x0(t0) + lw t2, 0x4(t0) + add t3, t1, t2 + srl t3, t3, 0x1 + li t4, 0x3f + and t3, t3, t4 + +_load_tap_into_reg: + li t0, 0xb8000000 + sw t3, 0x1c(t0) /* TAP_CONTROL_0_ADDRESS */ + sw t3, 0x20(t0) /* TAP_CONTROL_1_ADDRESS */ + sw t3, 0x24(t0) /* TAP_CONTROL_2_ADDRESS */ + sw t3, 0x28(t0) /* TAP_CONTROL_3_ADDRESS */ + + nop + jr ra + nop + END(ddr_tap_tuning) diff --git a/roms/u-boot/arch/mips/mach-ath79/reset.c b/roms/u-boot/arch/mips/mach-ath79/reset.c new file mode 100644 index 000000000..6cd5e77fd --- /dev/null +++ b/roms/u-boot/arch/mips/mach-ath79/reset.c @@ -0,0 +1,531 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2015-2016 Wills Wang <wills.wang@live.com> + * Copyright (C) 2018-2019 Rosy Song <rosysong@rosinson.com> + */ + +#include <common.h> +#include <linux/bitops.h> +#include <linux/delay.h> +#include <linux/errno.h> +#include <asm/io.h> +#include <asm/addrspace.h> +#include <asm/types.h> +#include <mach/ath79.h> +#include <mach/ar71xx_regs.h> + +/* QCA956X ETH_SGMII_SERDES Registers */ +#define SGMII_SERDES_RES_CALIBRATION_LSB 23 +#define SGMII_SERDES_RES_CALIBRATION_MASK 0x07800000 +#define SGMII_SERDES_RES_CALIBRATION_SET(x) \ + (((x) << SGMII_SERDES_RES_CALIBRATION_LSB) & SGMII_SERDES_RES_CALIBRATION_MASK) +#define SGMII_SERDES_CDR_BW_LSB 1 +#define SGMII_SERDES_CDR_BW_MASK 0x00000006 +#define SGMII_SERDES_CDR_BW_SET(x) \ + (((x) << SGMII_SERDES_CDR_BW_LSB) & SGMII_SERDES_CDR_BW_MASK) +#define SGMII_SERDES_TX_DR_CTRL_LSB 4 +#define SGMII_SERDES_TX_DR_CTRL_MASK 0x00000070 +#define SGMII_SERDES_TX_DR_CTRL_SET(x) \ + (((x) << SGMII_SERDES_TX_DR_CTRL_LSB) & SGMII_SERDES_TX_DR_CTRL_MASK) +#define SGMII_SERDES_PLL_BW_LSB 8 +#define SGMII_SERDES_PLL_BW_MASK 0x00000100 +#define SGMII_SERDES_PLL_BW_SET(x) \ + (((x) << SGMII_SERDES_PLL_BW_LSB) & SGMII_SERDES_PLL_BW_MASK) +#define SGMII_SERDES_EN_SIGNAL_DETECT_LSB 16 +#define SGMII_SERDES_EN_SIGNAL_DETECT_MASK 0x00010000 +#define SGMII_SERDES_EN_SIGNAL_DETECT_SET(x) \ + (((x) << SGMII_SERDES_EN_SIGNAL_DETECT_LSB) & SGMII_SERDES_EN_SIGNAL_DETECT_MASK) +#define SGMII_SERDES_FIBER_SDO_LSB 17 +#define SGMII_SERDES_FIBER_SDO_MASK 0x00020000 +#define SGMII_SERDES_FIBER_SDO_SET(x) \ + (((x) << SGMII_SERDES_FIBER_SDO_LSB) & SGMII_SERDES_FIBER_SDO_MASK) +#define SGMII_SERDES_VCO_REG_LSB 27 +#define SGMII_SERDES_VCO_REG_MASK 0x78000000 +#define SGMII_SERDES_VCO_REG_SET(x) \ + (((x) << SGMII_SERDES_VCO_REG_LSB) & SGMII_SERDES_VCO_REG_MASK) +#define SGMII_SERDES_VCO_FAST_LSB 9 +#define SGMII_SERDES_VCO_FAST_MASK 0x00000200 +#define SGMII_SERDES_VCO_FAST_GET(x) \ + (((x) & SGMII_SERDES_VCO_FAST_MASK) >> SGMII_SERDES_VCO_FAST_LSB) +#define SGMII_SERDES_VCO_SLOW_LSB 10 +#define SGMII_SERDES_VCO_SLOW_MASK 0x00000400 +#define SGMII_SERDES_VCO_SLOW_GET(x) \ + (((x) & SGMII_SERDES_VCO_SLOW_MASK) >> SGMII_SERDES_VCO_SLOW_LSB) + +void _machine_restart(void) +{ + void __iomem *base; + u32 reg = 0; + + base = map_physmem(AR71XX_RESET_BASE, AR71XX_RESET_SIZE, + MAP_NOCACHE); + if (soc_is_ar71xx()) + reg = AR71XX_RESET_REG_RESET_MODULE; + else if (soc_is_ar724x()) + reg = AR724X_RESET_REG_RESET_MODULE; + else if (soc_is_ar913x()) + reg = AR913X_RESET_REG_RESET_MODULE; + else if (soc_is_ar933x()) + reg = AR933X_RESET_REG_RESET_MODULE; + else if (soc_is_ar934x()) + reg = AR934X_RESET_REG_RESET_MODULE; + else if (soc_is_qca953x()) + reg = QCA953X_RESET_REG_RESET_MODULE; + else if (soc_is_qca955x()) + reg = QCA955X_RESET_REG_RESET_MODULE; + else if (soc_is_qca956x()) + reg = QCA956X_RESET_REG_RESET_MODULE; + else + puts("Reset register not defined for this SOC\n"); + + if (reg) + setbits_be32(base + reg, AR71XX_RESET_FULL_CHIP); + + while (1) + /* NOP */; +} + +u32 ath79_get_bootstrap(void) +{ + void __iomem *base; + u32 reg = 0; + + base = map_physmem(AR71XX_RESET_BASE, AR71XX_RESET_SIZE, + MAP_NOCACHE); + if (soc_is_ar933x()) + reg = AR933X_RESET_REG_BOOTSTRAP; + else if (soc_is_ar934x()) + reg = AR934X_RESET_REG_BOOTSTRAP; + else if (soc_is_qca953x()) + reg = QCA953X_RESET_REG_BOOTSTRAP; + else if (soc_is_qca955x()) + reg = QCA955X_RESET_REG_BOOTSTRAP; + else if (soc_is_qca956x()) + reg = QCA956X_RESET_REG_BOOTSTRAP; + else + puts("Bootstrap register not defined for this SOC\n"); + + if (reg) + return readl(base + reg); + + return 0; +} + +static int eth_init_ar933x(void) +{ + void __iomem *rregs = map_physmem(AR71XX_RESET_BASE, AR71XX_RESET_SIZE, + MAP_NOCACHE); + void __iomem *pregs = map_physmem(AR71XX_PLL_BASE, AR71XX_PLL_SIZE, + MAP_NOCACHE); + void __iomem *gregs = map_physmem(AR933X_GMAC_BASE, AR933X_GMAC_SIZE, + MAP_NOCACHE); + const u32 mask = AR933X_RESET_GE0_MAC | AR933X_RESET_GE0_MDIO | + AR933X_RESET_GE1_MAC | AR933X_RESET_GE1_MDIO | + AR933X_RESET_ETH_SWITCH | + AR933X_RESET_ETH_SWITCH_ANALOG; + + /* Clear MDIO slave EN bit. */ + clrbits_be32(rregs + AR933X_RESET_REG_BOOTSTRAP, BIT(17)); + mdelay(10); + + /* Get Atheros S26 PHY out of reset. */ + clrsetbits_be32(pregs + AR933X_PLL_SWITCH_CLOCK_CONTROL_REG, + 0x1f, 0x10); + mdelay(10); + + setbits_be32(rregs + AR933X_RESET_REG_RESET_MODULE, mask); + mdelay(10); + clrbits_be32(rregs + AR933X_RESET_REG_RESET_MODULE, mask); + mdelay(10); + + /* Configure AR93xx GMAC register. */ + clrsetbits_be32(gregs + AR933X_GMAC_REG_ETH_CFG, + AR933X_ETH_CFG_MII_GE0_MASTER | + AR933X_ETH_CFG_MII_GE0_SLAVE, + AR933X_ETH_CFG_MII_GE0_SLAVE); + return 0; +} + +static int eth_init_ar934x(void) +{ + void __iomem *rregs = map_physmem(AR71XX_RESET_BASE, AR71XX_RESET_SIZE, + MAP_NOCACHE); + void __iomem *pregs = map_physmem(AR71XX_PLL_BASE, AR71XX_PLL_SIZE, + MAP_NOCACHE); + void __iomem *gregs = map_physmem(AR934X_GMAC_BASE, AR934X_GMAC_SIZE, + MAP_NOCACHE); + const u32 mask = AR934X_RESET_GE0_MAC | AR934X_RESET_GE0_MDIO | + AR934X_RESET_GE1_MAC | AR934X_RESET_GE1_MDIO | + AR934X_RESET_ETH_SWITCH_ANALOG; + u32 reg; + + reg = readl(rregs + AR934X_RESET_REG_BOOTSTRAP); + if (reg & AR934X_BOOTSTRAP_REF_CLK_40) + writel(0x570, pregs + AR934X_PLL_SWITCH_CLOCK_CONTROL_REG); + else + writel(0x271, pregs + AR934X_PLL_SWITCH_CLOCK_CONTROL_REG); + writel(BIT(26) | BIT(25), pregs + AR934X_PLL_ETH_XMII_CONTROL_REG); + + setbits_be32(rregs + AR934X_RESET_REG_RESET_MODULE, mask); + mdelay(1); + clrbits_be32(rregs + AR934X_RESET_REG_RESET_MODULE, mask); + mdelay(1); + + /* Configure AR934x GMAC register. */ + writel(AR934X_ETH_CFG_RGMII_GMAC0, gregs + AR934X_GMAC_REG_ETH_CFG); + return 0; +} + +static int eth_init_qca953x(void) +{ + void __iomem *rregs = map_physmem(AR71XX_RESET_BASE, AR71XX_RESET_SIZE, + MAP_NOCACHE); + const u32 mask = QCA953X_RESET_GE0_MAC | QCA953X_RESET_GE0_MDIO | + QCA953X_RESET_GE1_MAC | QCA953X_RESET_GE1_MDIO | + QCA953X_RESET_ETH_SWITCH_ANALOG | + QCA953X_RESET_ETH_SWITCH; + + setbits_be32(rregs + AR934X_RESET_REG_RESET_MODULE, mask); + mdelay(1); + clrbits_be32(rregs + AR934X_RESET_REG_RESET_MODULE, mask); + mdelay(1); + + return 0; +} + +static int qca956x_sgmii_cal(void) +{ + int i; + u32 reg, rev_sgmii_val; + u32 vco_fast, vco_slow; + u32 start_val = 0, end_val = 0; + void __iomem *gregs = map_physmem(AR71XX_MII_BASE, AR71XX_MII_SIZE, + MAP_NOCACHE); + void __iomem *pregs = map_physmem(AR71XX_PLL_BASE, AR71XX_PLL_SIZE, + MAP_NOCACHE); + void __iomem *rregs = map_physmem(AR71XX_RESET_BASE, AR71XX_RESET_SIZE, + MAP_NOCACHE); + const u32 mask = QCA956X_RESET_SGMII_ASSERT | QCA956X_RESET_SGMII; + + writel(BIT(2) | BIT(0), pregs + QCA956X_PLL_ETH_SGMII_SERDES_REG); + + reg = readl(gregs + QCA956X_GMAC_REG_SGMII_SERDES); + vco_fast = SGMII_SERDES_VCO_FAST_GET(reg); + vco_slow = SGMII_SERDES_VCO_SLOW_GET(reg); + + /* Set resistor calibration from 0000 to 1111 */ + for (i = 0; i < 0x10; i++) { + reg = (readl(gregs + QCA956X_GMAC_REG_SGMII_SERDES) & + ~SGMII_SERDES_RES_CALIBRATION_MASK) | + SGMII_SERDES_RES_CALIBRATION_SET(i); + writel(reg, gregs + QCA956X_GMAC_REG_SGMII_SERDES); + + udelay(50); + + reg = readl(gregs + QCA956X_GMAC_REG_SGMII_SERDES); + if (vco_fast != SGMII_SERDES_VCO_FAST_GET(reg) || + vco_slow != SGMII_SERDES_VCO_SLOW_GET(reg)) { + if (start_val == 0) { + start_val = i; + end_val = i; + } else { + end_val = i; + } + } + vco_fast = SGMII_SERDES_VCO_FAST_GET(reg); + vco_slow = SGMII_SERDES_VCO_SLOW_GET(reg); + } + + if (start_val == 0) + rev_sgmii_val = 0x7; + else + rev_sgmii_val = (start_val + end_val) >> 1; + + writel((readl(gregs + QCA956X_GMAC_REG_SGMII_SERDES) & + ~SGMII_SERDES_RES_CALIBRATION_MASK) | + SGMII_SERDES_RES_CALIBRATION_SET(rev_sgmii_val), + gregs + QCA956X_GMAC_REG_SGMII_SERDES); + + writel(BIT(2) | BIT(0), pregs + QCA956X_PLL_ETH_SGMII_SERDES_REG); + + reg = readl(gregs + QCA956X_GMAC_REG_SGMII_SERDES); + writel(SGMII_SERDES_CDR_BW_SET(3) | SGMII_SERDES_TX_DR_CTRL_SET(1) | + SGMII_SERDES_PLL_BW_SET(1) | SGMII_SERDES_EN_SIGNAL_DETECT_SET(1) | + SGMII_SERDES_FIBER_SDO_SET(1) | SGMII_SERDES_VCO_REG_SET(3) | reg, + gregs + QCA956X_GMAC_REG_SGMII_SERDES); + + setbits_be32(rregs + QCA956X_RESET_REG_RESET_MODULE, mask); + mdelay(1); + clrbits_be32(rregs + QCA956X_RESET_REG_RESET_MODULE, mask); + mdelay(1); + + while (!(readl(gregs + QCA956X_GMAC_REG_SGMII_SERDES) & BIT(15))) + /* NOP */; + + return 0; +} + +static int qca956x_sgmii_setup(void) +{ + int i; + u32 s = 0, reg = 0; + u32 _regs[] = { + BIT(4), /* HW_RX_125M_N */ + BIT(2), /* RX_125M_N */ + BIT(3), /* TX_125M_N */ + BIT(0), /* RX_CLK_N */ + BIT(1), /* TX_CLK_N */ + }; + void __iomem *gregs = map_physmem(AR71XX_MII_BASE, AR71XX_MII_SIZE, + MAP_NOCACHE); + + /* Force sgmii mode */ + writel(BIT(6) | BIT(15) | BIT(8), gregs + QCA956X_GMAC_REG_MR_AN_CTRL); + udelay(10); + writel(0x2 | BIT(5) | (0x2 << 6), gregs + QCA956X_GMAC_REG_SGMII_CONFIG); + + /* SGMII reset sequence sugguest by qca systems team. */ + writel(0, gregs + QCA956X_GMAC_REG_SGMII_RESET); + for (i = 0; i < ARRAY_SIZE(_regs); i++) { + reg |= _regs[i]; + writel(reg, gregs + QCA956X_GMAC_REG_SGMII_RESET); + } + + writel(readl(gregs + QCA956X_GMAC_REG_MR_AN_CTRL) & ~BIT(15), + gregs + QCA956X_GMAC_REG_MR_AN_CTRL); + + /* + * WARNING: Across resets SGMII link status goes to weird state. + * if 0xb8070058 (SGMII_DEBUG Register) reads other than 0xf or 0x10 + * for sure we are in bad state. + * Issue a PHY RESET in MR_AN_CONTROL_ADDRESS to keep going. + */ + i = 0; + s = (readl(gregs + QCA956X_GMAC_REG_SGMII_DEBUG) & 0xff); + while (!(s == 0xf || s == 0x10)) { + writel(readl(gregs + QCA956X_GMAC_REG_MR_AN_CTRL) | BIT(15), + gregs + QCA956X_GMAC_REG_MR_AN_CTRL); + udelay(100); + writel(readl(gregs + QCA956X_GMAC_REG_MR_AN_CTRL) & ~BIT(15), + gregs + QCA956X_GMAC_REG_MR_AN_CTRL); + if (i++ == 10) + break; + s = (readl(gregs + QCA956X_GMAC_REG_SGMII_DEBUG) & 0xff); + } + + return 0; +} + +static int qca956x_s17_reset(void) +{ + void __iomem *regs = map_physmem(AR71XX_GPIO_BASE, AR71XX_GPIO_SIZE, + MAP_NOCACHE); + void __iomem *rregs = map_physmem(AR71XX_RESET_BASE, AR71XX_RESET_SIZE, + MAP_NOCACHE); + const u32 mask = QCA956X_RESET_SGMII_ASSERT | QCA956X_RESET_SGMII | + QCA956X_RESET_EXTERNAL | QCA956X_RESET_SGMII_ANALOG | + QCA956X_RESET_SWITCH; + /* Bits(Reserved in datasheet) should be set to 1 */ + const u32 mask_r = QCA956X_RESET_SGMII_ASSERT | QCA956X_RESET_SGMII | + QCA956X_RESET_EXTERNAL; + + setbits_be32(rregs + QCA956X_RESET_REG_RESET_MODULE, mask); + mdelay(1); + clrbits_be32(rregs + QCA956X_RESET_REG_RESET_MODULE, mask_r); + mdelay(1); + + /* Reset s17 switch(GPIO11) SYS_RST_L */ + writel(readl(regs + AR71XX_GPIO_REG_OE) & ~BIT(11), + regs + AR71XX_GPIO_REG_OE); + udelay(100); + + writel(readl(regs + AR71XX_GPIO_REG_OUT) & ~BIT(11), + regs + AR71XX_GPIO_REG_OUT); + udelay(100); + writel(readl(regs + AR71XX_GPIO_REG_OUT) | BIT(11), + regs + AR71XX_GPIO_REG_OUT); + + return 0; +} + +static int qca956x_init_mdio(void) +{ + u32 reg; + void __iomem *regs = map_physmem(AR71XX_GPIO_BASE, AR71XX_GPIO_SIZE, + MAP_NOCACHE); + void __iomem *rregs = map_physmem(AR71XX_RESET_BASE, AR71XX_RESET_SIZE, + MAP_NOCACHE); + const u32 mask = QCA956X_RESET_GE0_MDIO | QCA956X_RESET_GE0_MAC | + QCA956X_RESET_GE1_MDIO | QCA956X_RESET_GE1_MAC; + + setbits_be32(rregs + QCA956X_RESET_REG_RESET_MODULE, mask); + mdelay(1); + clrbits_be32(rregs + QCA956X_RESET_REG_RESET_MODULE, mask); + mdelay(1); + + /* GPIO4 as MDI */ + reg = readl(regs + QCA956X_GPIO_REG_IN_ENABLE3); + reg &= ~(0xff << 16); + reg |= (0x4 << 16); + writel(reg, regs + QCA956X_GPIO_REG_IN_ENABLE3); + + /* GPIO4 as MDO */ + reg = readl(regs + QCA956X_GPIO_REG_OUT_FUNC1); + reg &= ~0xff; + reg |= 0x20; + writel(reg, regs + QCA956X_GPIO_REG_OUT_FUNC1); + + /* Init MDC(GPIO3) / MDIO(GPIO4) */ + reg = readl(regs + AR71XX_GPIO_REG_OE); + reg &= ~BIT(4); + writel(reg, regs + AR71XX_GPIO_REG_OE); + udelay(100); + + reg = readl(regs + AR71XX_GPIO_REG_OE); + reg &= ~BIT(3); + writel(reg, regs + AR71XX_GPIO_REG_OE); + udelay(100); + + /* GPIO3 as MDI */ + reg = readl(regs + QCA956X_GPIO_REG_OUT_FUNC0); + reg &= ~(0xff << 24); + reg |= (0x21 << 24); + writel(reg, regs + QCA956X_GPIO_REG_OUT_FUNC0); + + return 0; +} + +static int eth_init_qca956x(void) +{ + void __iomem *pregs = map_physmem(AR71XX_PLL_BASE, AR71XX_PLL_SIZE, + MAP_NOCACHE); + void __iomem *gregs = map_physmem(AR71XX_MII_BASE, AR71XX_MII_SIZE, + MAP_NOCACHE); + + qca956x_sgmii_cal(); + qca956x_s17_reset(); + qca956x_init_mdio(); + + if (ath79_get_bootstrap() & QCA956X_BOOTSTRAP_REF_CLK_40) + writel(0x45500, pregs + QCA956X_PLL_SWITCH_CLK_CTRL_REG); + else + writel(0xc5200, pregs + QCA956X_PLL_SWITCH_CLK_CTRL_REG); + + qca956x_sgmii_setup(); + + writel((3 << 16) | (3 << 14) | (1 << 0) | (1 << 6), + gregs + QCA956X_GMAC_REG_ETH_CFG); + + writel((1 << 31) | (2 << 28) | (2 << 26) | (1 << 25), + pregs + QCA956X_PLL_ETH_XMII_CTRL_REG); + mdelay(1); + + return 0; +} + +int ath79_eth_reset(void) +{ + /* + * Un-reset ethernet. DM still doesn't have any notion of reset + * framework, so we do it by hand here. + */ + if (soc_is_ar933x()) + return eth_init_ar933x(); + if (soc_is_ar934x()) + return eth_init_ar934x(); + if (soc_is_qca953x()) + return eth_init_qca953x(); + if (soc_is_qca956x()) + return eth_init_qca956x(); + + return -EINVAL; +} + +static int usb_reset_ar933x(void __iomem *reset_regs) +{ + /* Ungate the USB block */ + setbits_be32(reset_regs + AR933X_RESET_REG_RESET_MODULE, + AR933X_RESET_USBSUS_OVERRIDE); + mdelay(1); + clrbits_be32(reset_regs + AR933X_RESET_REG_RESET_MODULE, + AR933X_RESET_USB_HOST); + mdelay(1); + clrbits_be32(reset_regs + AR933X_RESET_REG_RESET_MODULE, + AR933X_RESET_USB_PHY); + mdelay(1); + + return 0; +} + +static int usb_reset_ar934x(void __iomem *reset_regs) +{ + /* Ungate the USB block */ + setbits_be32(reset_regs + AR934X_RESET_REG_RESET_MODULE, + AR934X_RESET_USBSUS_OVERRIDE); + mdelay(1); + clrbits_be32(reset_regs + AR934X_RESET_REG_RESET_MODULE, + AR934X_RESET_USB_PHY); + mdelay(1); + clrbits_be32(reset_regs + AR934X_RESET_REG_RESET_MODULE, + AR934X_RESET_USB_PHY_ANALOG); + mdelay(1); + clrbits_be32(reset_regs + AR934X_RESET_REG_RESET_MODULE, + AR934X_RESET_USB_HOST); + mdelay(1); + + return 0; +} + +static int usb_reset_qca953x(void __iomem *reset_regs) +{ + void __iomem *pregs = map_physmem(AR71XX_PLL_BASE, AR71XX_PLL_SIZE, + MAP_NOCACHE); + + clrsetbits_be32(pregs + QCA953X_PLL_SWITCH_CLOCK_CONTROL_REG, + 0xf00, 0x200); + mdelay(10); + + /* Ungate the USB block */ + setbits_be32(reset_regs + QCA953X_RESET_REG_RESET_MODULE, + QCA953X_RESET_USBSUS_OVERRIDE); + mdelay(1); + clrbits_be32(reset_regs + QCA953X_RESET_REG_RESET_MODULE, + QCA953X_RESET_USB_PHY); + mdelay(1); + clrbits_be32(reset_regs + QCA953X_RESET_REG_RESET_MODULE, + QCA953X_RESET_USB_PHY_ANALOG); + mdelay(1); + clrbits_be32(reset_regs + QCA953X_RESET_REG_RESET_MODULE, + QCA953X_RESET_USB_HOST); + mdelay(1); + clrbits_be32(reset_regs + QCA953X_RESET_REG_RESET_MODULE, + QCA953X_RESET_USB_PHY_PLL_PWD_EXT); + mdelay(1); + + return 0; +} + +int ath79_usb_reset(void) +{ + void __iomem *usbc_regs = map_physmem(AR71XX_USB_CTRL_BASE, + AR71XX_USB_CTRL_SIZE, + MAP_NOCACHE); + void __iomem *reset_regs = map_physmem(AR71XX_RESET_BASE, + AR71XX_RESET_SIZE, + MAP_NOCACHE); + /* + * Turn on the Buff and Desc swap bits. + * NOTE: This write into an undocumented register in mandatory to + * get the USB controller operational in BigEndian mode. + */ + writel(0xf0000, usbc_regs + AR71XX_USB_CTRL_REG_CONFIG); + + if (soc_is_ar933x()) + return usb_reset_ar933x(reset_regs); + if (soc_is_ar934x()) + return usb_reset_ar934x(reset_regs); + if (soc_is_qca953x()) + return usb_reset_qca953x(reset_regs); + + return -EINVAL; +} |