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authorAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
committerAngelos Mouzakitis <a.mouzakitis@virtualopensystems.com>2023-10-10 14:33:42 +0000
commitaf1a266670d040d2f4083ff309d732d648afba2a (patch)
tree2fc46203448ddcc6f81546d379abfaeb323575e9 /roms/u-boot/arch/arm/cpu/armv7/vf610
parente02cda008591317b1625707ff8e115a4841aa889 (diff)
Add submodule dependency filesHEADmaster
Change-Id: Iaf8d18082d3991dec7c0ebbea540f092188eb4ec
Diffstat (limited to 'roms/u-boot/arch/arm/cpu/armv7/vf610')
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/vf610/Kconfig37
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/vf610/Makefile11
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/vf610/generic.c407
-rw-r--r--roms/u-boot/arch/arm/cpu/armv7/vf610/timer.c88
4 files changed, 543 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/cpu/armv7/vf610/Kconfig b/roms/u-boot/arch/arm/cpu/armv7/vf610/Kconfig
new file mode 100644
index 000000000..5d485a3ce
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/vf610/Kconfig
@@ -0,0 +1,37 @@
+if ARCH_VF610
+
+config VF610
+ bool
+ default y
+
+choice
+ prompt "Vybrid board select"
+
+config TARGET_VF610TWR
+ bool "TWR-VF65GS10-DS5"
+
+config TARGET_COLIBRI_VF
+ bool "Colibri VF50/61"
+ select BOARD_LATE_INIT
+
+config TARGET_PCM052
+ bool "PCM-052"
+ select SYS_FSL_ERRATUM_ESDHC135
+ select SYS_FSL_ERRATUM_ESDHC_A001
+
+config TARGET_BK4R1
+ bool "BK4r1"
+ select SYS_FSL_ERRATUM_ESDHC135
+ select SYS_FSL_ERRATUM_ESDHC_A001
+ select BOARD_LATE_INIT
+
+endchoice
+
+config SYS_SOC
+ default "vf610"
+
+source "board/freescale/vf610twr/Kconfig"
+source "board/phytec/pcm052/Kconfig"
+source "board/toradex/colibri_vf/Kconfig"
+
+endif
diff --git a/roms/u-boot/arch/arm/cpu/armv7/vf610/Makefile b/roms/u-boot/arch/arm/cpu/armv7/vf610/Makefile
new file mode 100644
index 000000000..b5b479b49
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/vf610/Makefile
@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright 2013 Freescale Semiconductor, Inc.
+
+obj-y += generic.o
+obj-y += timer.o
+
+MKIMAGEFLAGS_u-boot.vyb = -T vybridimage
+
+u-boot.vyb: u-boot.imx
+ $(call if_changed,mkimage)
diff --git a/roms/u-boot/arch/arm/cpu/armv7/vf610/generic.c b/roms/u-boot/arch/arm/cpu/armv7/vf610/generic.c
new file mode 100644
index 000000000..c23ddc12b
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/vf610/generic.c
@@ -0,0 +1,407 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2013 Freescale Semiconductor, Inc.
+ */
+
+#include <common.h>
+#include <clock_legacy.h>
+#include <command.h>
+#include <cpu_func.h>
+#include <init.h>
+#include <net.h>
+#include <asm/cache.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/mach-imx/sys_proto.h>
+#include <env.h>
+#include <netdev.h>
+#ifdef CONFIG_FSL_ESDHC_IMX
+#include <fsl_esdhc_imx.h>
+#endif
+
+#ifdef CONFIG_FSL_ESDHC_IMX
+DECLARE_GLOBAL_DATA_PTR;
+#endif
+
+static char soc_type[] = "xx0";
+
+#ifdef CONFIG_MXC_OCOTP
+void enable_ocotp_clk(unsigned char enable)
+{
+ struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR;
+ u32 reg;
+
+ reg = readl(&ccm->ccgr6);
+ if (enable)
+ reg |= CCM_CCGR6_OCOTP_CTRL_MASK;
+ else
+ reg &= ~CCM_CCGR6_OCOTP_CTRL_MASK;
+ writel(reg, &ccm->ccgr6);
+}
+#endif
+
+static u32 get_mcu_main_clk(void)
+{
+ struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR;
+ u32 ccm_ccsr, ccm_cacrr, armclk_div;
+ u32 sysclk_sel, pll_pfd_sel = 0;
+ u32 freq = 0;
+
+ ccm_ccsr = readl(&ccm->ccsr);
+ sysclk_sel = ccm_ccsr & CCM_CCSR_SYS_CLK_SEL_MASK;
+ sysclk_sel >>= CCM_CCSR_SYS_CLK_SEL_OFFSET;
+
+ ccm_cacrr = readl(&ccm->cacrr);
+ armclk_div = ccm_cacrr & CCM_CACRR_ARM_CLK_DIV_MASK;
+ armclk_div >>= CCM_CACRR_ARM_CLK_DIV_OFFSET;
+ armclk_div += 1;
+
+ switch (sysclk_sel) {
+ case 0:
+ freq = FASE_CLK_FREQ;
+ break;
+ case 1:
+ freq = SLOW_CLK_FREQ;
+ break;
+ case 2:
+ pll_pfd_sel = ccm_ccsr & CCM_CCSR_PLL2_PFD_CLK_SEL_MASK;
+ pll_pfd_sel >>= CCM_CCSR_PLL2_PFD_CLK_SEL_OFFSET;
+ if (pll_pfd_sel == 0)
+ freq = PLL2_MAIN_FREQ;
+ else if (pll_pfd_sel == 1)
+ freq = PLL2_PFD1_FREQ;
+ else if (pll_pfd_sel == 2)
+ freq = PLL2_PFD2_FREQ;
+ else if (pll_pfd_sel == 3)
+ freq = PLL2_PFD3_FREQ;
+ else if (pll_pfd_sel == 4)
+ freq = PLL2_PFD4_FREQ;
+ break;
+ case 3:
+ freq = PLL2_MAIN_FREQ;
+ break;
+ case 4:
+ pll_pfd_sel = ccm_ccsr & CCM_CCSR_PLL1_PFD_CLK_SEL_MASK;
+ pll_pfd_sel >>= CCM_CCSR_PLL1_PFD_CLK_SEL_OFFSET;
+ if (pll_pfd_sel == 0)
+ freq = PLL1_MAIN_FREQ;
+ else if (pll_pfd_sel == 1)
+ freq = PLL1_PFD1_FREQ;
+ else if (pll_pfd_sel == 2)
+ freq = PLL1_PFD2_FREQ;
+ else if (pll_pfd_sel == 3)
+ freq = PLL1_PFD3_FREQ;
+ else if (pll_pfd_sel == 4)
+ freq = PLL1_PFD4_FREQ;
+ break;
+ case 5:
+ freq = PLL3_MAIN_FREQ;
+ break;
+ default:
+ printf("unsupported system clock select\n");
+ }
+
+ return freq / armclk_div;
+}
+
+static u32 get_bus_clk(void)
+{
+ struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR;
+ u32 ccm_cacrr, busclk_div;
+
+ ccm_cacrr = readl(&ccm->cacrr);
+
+ busclk_div = ccm_cacrr & CCM_CACRR_BUS_CLK_DIV_MASK;
+ busclk_div >>= CCM_CACRR_BUS_CLK_DIV_OFFSET;
+ busclk_div += 1;
+
+ return get_mcu_main_clk() / busclk_div;
+}
+
+static u32 get_ipg_clk(void)
+{
+ struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR;
+ u32 ccm_cacrr, ipgclk_div;
+
+ ccm_cacrr = readl(&ccm->cacrr);
+
+ ipgclk_div = ccm_cacrr & CCM_CACRR_IPG_CLK_DIV_MASK;
+ ipgclk_div >>= CCM_CACRR_IPG_CLK_DIV_OFFSET;
+ ipgclk_div += 1;
+
+ return get_bus_clk() / ipgclk_div;
+}
+
+static u32 get_uart_clk(void)
+{
+ return get_ipg_clk();
+}
+
+static u32 get_sdhc_clk(void)
+{
+ struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR;
+ u32 ccm_cscmr1, ccm_cscdr2, sdhc_clk_sel, sdhc_clk_div;
+ u32 freq = 0;
+
+ ccm_cscmr1 = readl(&ccm->cscmr1);
+ sdhc_clk_sel = ccm_cscmr1 & CCM_CSCMR1_ESDHC1_CLK_SEL_MASK;
+ sdhc_clk_sel >>= CCM_CSCMR1_ESDHC1_CLK_SEL_OFFSET;
+
+ ccm_cscdr2 = readl(&ccm->cscdr2);
+ sdhc_clk_div = ccm_cscdr2 & CCM_CSCDR2_ESDHC1_CLK_DIV_MASK;
+ sdhc_clk_div >>= CCM_CSCDR2_ESDHC1_CLK_DIV_OFFSET;
+ sdhc_clk_div += 1;
+
+ switch (sdhc_clk_sel) {
+ case 0:
+ freq = PLL3_MAIN_FREQ;
+ break;
+ case 1:
+ freq = PLL3_PFD3_FREQ;
+ break;
+ case 2:
+ freq = PLL1_PFD3_FREQ;
+ break;
+ case 3:
+ freq = get_bus_clk();
+ break;
+ }
+
+ return freq / sdhc_clk_div;
+}
+
+u32 get_fec_clk(void)
+{
+ struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR;
+ u32 ccm_cscmr2, rmii_clk_sel;
+ u32 freq = 0;
+
+ ccm_cscmr2 = readl(&ccm->cscmr2);
+ rmii_clk_sel = ccm_cscmr2 & CCM_CSCMR2_RMII_CLK_SEL_MASK;
+ rmii_clk_sel >>= CCM_CSCMR2_RMII_CLK_SEL_OFFSET;
+
+ switch (rmii_clk_sel) {
+ case 0:
+ freq = ENET_EXTERNAL_CLK;
+ break;
+ case 1:
+ freq = AUDIO_EXTERNAL_CLK;
+ break;
+ case 2:
+ freq = PLL5_MAIN_FREQ;
+ break;
+ case 3:
+ freq = PLL5_MAIN_FREQ / 2;
+ break;
+ }
+
+ return freq;
+}
+
+static u32 get_i2c_clk(void)
+{
+ return get_ipg_clk();
+}
+
+static u32 get_dspi_clk(void)
+{
+ return get_ipg_clk();
+}
+
+u32 get_lpuart_clk(void)
+{
+ return get_uart_clk();
+}
+
+unsigned int mxc_get_clock(enum mxc_clock clk)
+{
+ switch (clk) {
+ case MXC_ARM_CLK:
+ return get_mcu_main_clk();
+ case MXC_BUS_CLK:
+ return get_bus_clk();
+ case MXC_IPG_CLK:
+ return get_ipg_clk();
+ case MXC_UART_CLK:
+ return get_uart_clk();
+ case MXC_ESDHC_CLK:
+ return get_sdhc_clk();
+ case MXC_FEC_CLK:
+ return get_fec_clk();
+ case MXC_I2C_CLK:
+ return get_i2c_clk();
+ case MXC_DSPI_CLK:
+ return get_dspi_clk();
+ default:
+ break;
+ }
+ return -1;
+}
+
+/* Dump some core clocks */
+int do_vf610_showclocks(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ printf("\n");
+ printf("cpu clock : %8d MHz\n", mxc_get_clock(MXC_ARM_CLK) / 1000000);
+ printf("bus clock : %8d MHz\n", mxc_get_clock(MXC_BUS_CLK) / 1000000);
+ printf("ipg clock : %8d MHz\n", mxc_get_clock(MXC_IPG_CLK) / 1000000);
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ clocks, CONFIG_SYS_MAXARGS, 1, do_vf610_showclocks,
+ "display clocks",
+ ""
+);
+
+#ifdef CONFIG_FEC_MXC
+__weak void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
+{
+ struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
+ struct fuse_bank *bank = &ocotp->bank[4];
+ struct fuse_bank4_regs *fuse =
+ (struct fuse_bank4_regs *)bank->fuse_regs;
+
+ u32 value = readl(&fuse->mac_addr0);
+ mac[0] = (value >> 8);
+ mac[1] = value;
+
+ value = readl(&fuse->mac_addr1);
+ mac[2] = value >> 24;
+ mac[3] = value >> 16;
+ mac[4] = value >> 8;
+ mac[5] = value;
+}
+#endif
+
+u32 get_cpu_rev(void)
+{
+ return MXC_CPU_VF610 << 12;
+}
+
+#if defined(CONFIG_DISPLAY_CPUINFO)
+static char *get_reset_cause(void)
+{
+ u32 cause;
+ struct src *src_regs = (struct src *)SRC_BASE_ADDR;
+
+ cause = readl(&src_regs->srsr);
+ writel(cause, &src_regs->srsr);
+
+ if (cause & SRC_SRSR_POR_RST)
+ return "POWER ON RESET";
+ else if (cause & SRC_SRSR_WDOG_A5)
+ return "WDOG A5";
+ else if (cause & SRC_SRSR_WDOG_M4)
+ return "WDOG M4";
+ else if (cause & SRC_SRSR_JTAG_RST)
+ return "JTAG HIGH-Z";
+ else if (cause & SRC_SRSR_SW_RST)
+ return "SW RESET";
+ else if (cause & SRC_SRSR_RESETB)
+ return "EXTERNAL RESET";
+ else
+ return "unknown reset";
+}
+
+int print_cpuinfo(void)
+{
+ printf("CPU: Freescale Vybrid VF%s at %d MHz\n",
+ soc_type, mxc_get_clock(MXC_ARM_CLK) / 1000000);
+ printf("Reset cause: %s\n", get_reset_cause());
+
+ return 0;
+}
+#endif
+
+int arch_cpu_init(void)
+{
+ struct mscm *mscm = (struct mscm *)MSCM_BASE_ADDR;
+
+ soc_type[0] = mscm->cpxcount ? '6' : '5'; /*Dual Core => VF6x0 */
+ soc_type[1] = mscm->cpxcfg1 ? '1' : '0'; /* L2 Cache => VFx10 */
+
+ return 0;
+}
+
+#ifdef CONFIG_ARCH_MISC_INIT
+int arch_misc_init(void)
+{
+ char soc[6];
+
+ strcpy(soc, "vf");
+ strcat(soc, soc_type);
+ env_set("soc", soc);
+
+ return 0;
+}
+#endif
+
+int cpu_eth_init(struct bd_info *bis)
+{
+ int rc = -ENODEV;
+
+#if defined(CONFIG_FEC_MXC)
+ rc = fecmxc_initialize(bis);
+#endif
+
+ return rc;
+}
+
+#ifdef CONFIG_FSL_ESDHC_IMX
+int cpu_mmc_init(struct bd_info *bis)
+{
+ return fsl_esdhc_mmc_init(bis);
+}
+#endif
+
+int get_clocks(void)
+{
+#ifdef CONFIG_FSL_ESDHC_IMX
+ gd->arch.sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+#endif
+ return 0;
+}
+
+#if !CONFIG_IS_ENABLED(SYS_DCACHE_OFF)
+void enable_caches(void)
+{
+#if defined(CONFIG_SYS_ARM_CACHE_WRITETHROUGH)
+ enum dcache_option option = DCACHE_WRITETHROUGH;
+#else
+ enum dcache_option option = DCACHE_WRITEBACK;
+#endif
+ dcache_enable();
+ icache_enable();
+
+ /* Enable caching on OCRAM */
+ mmu_set_region_dcache_behaviour(IRAM_BASE_ADDR, IRAM_SIZE, option);
+}
+#endif
+
+#ifdef CONFIG_SYS_I2C_MXC
+/* i2c_num can be from 0 - 3 */
+int enable_i2c_clk(unsigned char enable, unsigned int i2c_num)
+{
+ struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR;
+
+ switch (i2c_num) {
+ case 0:
+ clrsetbits_le32(&ccm->ccgr4, CCM_CCGR4_I2C0_CTRL_MASK,
+ CCM_CCGR4_I2C0_CTRL_MASK);
+ case 2:
+ clrsetbits_le32(&ccm->ccgr10, CCM_CCGR10_I2C2_CTRL_MASK,
+ CCM_CCGR10_I2C2_CTRL_MASK);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+#endif
diff --git a/roms/u-boot/arch/arm/cpu/armv7/vf610/timer.c b/roms/u-boot/arch/arm/cpu/armv7/vf610/timer.c
new file mode 100644
index 000000000..a9c1a8fce
--- /dev/null
+++ b/roms/u-boot/arch/arm/cpu/armv7/vf610/timer.c
@@ -0,0 +1,88 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright 2013 Freescale Semiconductor, Inc.
+ */
+
+#include <common.h>
+#include <init.h>
+#include <time.h>
+#include <asm/global_data.h>
+#include <asm/io.h>
+#include <div64.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+#include <linux/delay.h>
+
+static struct pit_reg *cur_pit = (struct pit_reg *)PIT_BASE_ADDR;
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define TIMER_LOAD_VAL 0xffffffff
+
+static inline unsigned long long tick_to_time(unsigned long long tick)
+{
+ tick *= CONFIG_SYS_HZ;
+ do_div(tick, mxc_get_clock(MXC_IPG_CLK));
+
+ return tick;
+}
+
+static inline unsigned long long us_to_tick(unsigned long long usec)
+{
+ usec = usec * mxc_get_clock(MXC_IPG_CLK) + 999999;
+ do_div(usec, 1000000);
+
+ return usec;
+}
+
+int timer_init(void)
+{
+ __raw_writel(0, &cur_pit->mcr);
+
+ __raw_writel(TIMER_LOAD_VAL, &cur_pit->ldval1);
+ __raw_writel(0, &cur_pit->tctrl1);
+ __raw_writel(1, &cur_pit->tctrl1);
+
+ gd->arch.tbl = 0;
+ gd->arch.tbu = 0;
+
+ return 0;
+}
+
+unsigned long long get_ticks(void)
+{
+ ulong now = TIMER_LOAD_VAL - __raw_readl(&cur_pit->cval1);
+
+ /* increment tbu if tbl has rolled over */
+ if (now < gd->arch.tbl)
+ gd->arch.tbu++;
+ gd->arch.tbl = now;
+
+ return (((unsigned long long)gd->arch.tbu) << 32) | gd->arch.tbl;
+}
+
+ulong get_timer(ulong base)
+{
+ return tick_to_time(get_ticks()) - base;
+}
+
+/* delay x useconds AND preserve advance timstamp value */
+void __udelay(unsigned long usec)
+{
+ unsigned long long start;
+ ulong tmo;
+
+ start = get_ticks(); /* get current timestamp */
+ tmo = us_to_tick(usec); /* convert usecs to ticks */
+ while ((get_ticks() - start) < tmo)
+ ; /* loop till time has passed */
+}
+
+/*
+ * This function is derived from PowerPC code (timebase clock frequency).
+ * On ARM it returns the number of timer ticks per second.
+ */
+ulong get_tbclk(void)
+{
+ return mxc_get_clock(MXC_IPG_CLK);
+}