diff options
Diffstat (limited to 'roms/u-boot/arch/arm/mach-uniphier/dram')
-rw-r--r-- | roms/u-boot/arch/arm/mach-uniphier/dram/Makefile | 20 | ||||
-rw-r--r-- | roms/u-boot/arch/arm/mach-uniphier/dram/cmd_ddrmphy.c | 346 | ||||
-rw-r--r-- | roms/u-boot/arch/arm/mach-uniphier/dram/cmd_ddrphy.c | 312 | ||||
-rw-r--r-- | roms/u-boot/arch/arm/mach-uniphier/dram/ddrmphy-regs.h | 145 | ||||
-rw-r--r-- | roms/u-boot/arch/arm/mach-uniphier/dram/ddrphy-init.h | 16 | ||||
-rw-r--r-- | roms/u-boot/arch/arm/mach-uniphier/dram/ddrphy-ld4.c | 78 | ||||
-rw-r--r-- | roms/u-boot/arch/arm/mach-uniphier/dram/ddrphy-regs.h | 143 | ||||
-rw-r--r-- | roms/u-boot/arch/arm/mach-uniphier/dram/ddrphy-training.c | 146 | ||||
-rw-r--r-- | roms/u-boot/arch/arm/mach-uniphier/dram/umc-ld4.c | 191 | ||||
-rw-r--r-- | roms/u-boot/arch/arm/mach-uniphier/dram/umc-pro4.c | 186 | ||||
-rw-r--r-- | roms/u-boot/arch/arm/mach-uniphier/dram/umc-pro5.c | 11 | ||||
-rw-r--r-- | roms/u-boot/arch/arm/mach-uniphier/dram/umc-pxs2.c | 643 | ||||
-rw-r--r-- | roms/u-boot/arch/arm/mach-uniphier/dram/umc-regs.h | 106 | ||||
-rw-r--r-- | roms/u-boot/arch/arm/mach-uniphier/dram/umc-sld8.c | 194 |
14 files changed, 2537 insertions, 0 deletions
diff --git a/roms/u-boot/arch/arm/mach-uniphier/dram/Makefile b/roms/u-boot/arch/arm/mach-uniphier/dram/Makefile new file mode 100644 index 000000000..7d11315d0 --- /dev/null +++ b/roms/u-boot/arch/arm/mach-uniphier/dram/Makefile @@ -0,0 +1,20 @@ +# SPDX-License-Identifier: GPL-2.0+ + +ifdef CONFIG_SPL_BUILD + +obj-$(CONFIG_ARCH_UNIPHIER_LD4) += umc-ld4.o \ + ddrphy-training.o ddrphy-ld4.o +obj-$(CONFIG_ARCH_UNIPHIER_PRO4) += umc-pro4.o \ + ddrphy-training.o ddrphy-ld4.o +obj-$(CONFIG_ARCH_UNIPHIER_SLD8) += umc-sld8.o \ + ddrphy-training.o ddrphy-ld4.o +obj-$(CONFIG_ARCH_UNIPHIER_PRO5) += umc-pro5.o +obj-$(CONFIG_ARCH_UNIPHIER_PXS2) += umc-pxs2.o +obj-$(CONFIG_ARCH_UNIPHIER_LD6B) += umc-pxs2.o + +else + +obj-$(CONFIG_CMD_DDRPHY_DUMP) += cmd_ddrphy.o +obj-$(CONFIG_CMD_DDRMPHY_DUMP) += cmd_ddrmphy.o + +endif diff --git a/roms/u-boot/arch/arm/mach-uniphier/dram/cmd_ddrmphy.c b/roms/u-boot/arch/arm/mach-uniphier/dram/cmd_ddrmphy.c new file mode 100644 index 000000000..629f8b90c --- /dev/null +++ b/roms/u-boot/arch/arm/mach-uniphier/dram/cmd_ddrmphy.c @@ -0,0 +1,346 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2015-2017 Socionext Inc. + * Author: Masahiro Yamada <yamada.masahiro@socionext.com> + */ + +#include <command.h> +#include <stdio.h> +#include <linux/io.h> +#include <linux/printk.h> +#include <linux/sizes.h> + +#include "../soc-info.h" +#include "ddrmphy-regs.h" + +/* Select either decimal or hexadecimal */ +#if 1 +#define PRINTF_FORMAT "%2d" +#else +#define PRINTF_FORMAT "%02x" +#endif +/* field separator */ +#define FS " " + +#define ptr_to_uint(p) ((unsigned int)(unsigned long)(p)) + +#define UNIPHIER_MAX_NR_DDRMPHY 3 + +struct uniphier_ddrmphy_param { + unsigned int soc_id; + unsigned int nr_phy; + struct { + resource_size_t base; + unsigned int nr_zq; + unsigned int nr_dx; + } phy[UNIPHIER_MAX_NR_DDRMPHY]; +}; + +static const struct uniphier_ddrmphy_param uniphier_ddrmphy_param[] = { + { + .soc_id = UNIPHIER_PXS2_ID, + .nr_phy = 3, + .phy = { + { .base = 0x5b830000, .nr_zq = 3, .nr_dx = 4, }, + { .base = 0x5ba30000, .nr_zq = 3, .nr_dx = 4, }, + { .base = 0x5bc30000, .nr_zq = 2, .nr_dx = 2, }, + }, + }, + { + .soc_id = UNIPHIER_LD6B_ID, + .nr_phy = 3, + .phy = { + { .base = 0x5b830000, .nr_zq = 3, .nr_dx = 4, }, + { .base = 0x5ba30000, .nr_zq = 3, .nr_dx = 4, }, + { .base = 0x5bc30000, .nr_zq = 2, .nr_dx = 2, }, + }, + }, +}; +UNIPHIER_DEFINE_SOCDATA_FUNC(uniphier_get_ddrmphy_param, uniphier_ddrmphy_param) + +static void print_bdl(void __iomem *reg, int n) +{ + u32 val = readl(reg); + int i; + + for (i = 0; i < n; i++) + printf(FS PRINTF_FORMAT, (val >> i * 8) & 0x1f); +} + +static void dump_loop(const struct uniphier_ddrmphy_param *param, + void (*callback)(void __iomem *)) +{ + void __iomem *phy_base, *dx_base; + int phy, dx; + + for (phy = 0; phy < param->nr_phy; phy++) { + phy_base = ioremap(param->phy[phy].base, SZ_4K); + dx_base = phy_base + MPHY_DX_BASE; + + for (dx = 0; dx < param->phy[phy].nr_dx; dx++) { + printf("PHY%dDX%d:", phy, dx); + (*callback)(dx_base); + dx_base += MPHY_DX_STRIDE; + printf("\n"); + } + + iounmap(phy_base); + } +} + +static void zq_dump(const struct uniphier_ddrmphy_param *param) +{ + void __iomem *phy_base, *zq_base; + u32 val; + int phy, zq, i; + + printf("\n--- Impedance Data ---\n"); + printf(" ZPD ZPU OPD OPU ZDV ODV\n"); + + for (phy = 0; phy < param->nr_phy; phy++) { + phy_base = ioremap(param->phy[phy].base, SZ_4K); + zq_base = phy_base + MPHY_ZQ_BASE; + + for (zq = 0; zq < param->phy[phy].nr_zq; zq++) { + printf("PHY%dZQ%d:", phy, zq); + + val = readl(zq_base + MPHY_ZQ_DR); + for (i = 0; i < 4; i++) { + printf(FS PRINTF_FORMAT, val & 0x7f); + val >>= 7; + } + + val = readl(zq_base + MPHY_ZQ_PR); + for (i = 0; i < 2; i++) { + printf(FS PRINTF_FORMAT, val & 0xf); + val >>= 4; + } + + zq_base += MPHY_ZQ_STRIDE; + printf("\n"); + } + + iounmap(phy_base); + } +} + +static void __wbdl_dump(void __iomem *dx_base) +{ + print_bdl(dx_base + MPHY_DX_BDLR0, 4); + print_bdl(dx_base + MPHY_DX_BDLR1, 4); + print_bdl(dx_base + MPHY_DX_BDLR2, 2); + + printf(FS "(+" PRINTF_FORMAT ")", + readl(dx_base + MPHY_DX_LCDLR1) & 0xff); +} + +static void wbdl_dump(const struct uniphier_ddrmphy_param *param) +{ + printf("\n--- Write Bit Delay Line ---\n"); + printf(" DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DM DQS (WDQD)\n"); + + dump_loop(param, &__wbdl_dump); +} + +static void __rbdl_dump(void __iomem *dx_base) +{ + print_bdl(dx_base + MPHY_DX_BDLR3, 4); + print_bdl(dx_base + MPHY_DX_BDLR4, 4); + print_bdl(dx_base + MPHY_DX_BDLR5, 1); + + printf(FS "(+" PRINTF_FORMAT ")", + (readl(dx_base + MPHY_DX_LCDLR1) >> 8) & 0xff); + + printf(FS "(+" PRINTF_FORMAT ")", + (readl(dx_base + MPHY_DX_LCDLR1) >> 16) & 0xff); +} + +static void rbdl_dump(const struct uniphier_ddrmphy_param *param) +{ + printf("\n--- Read Bit Delay Line ---\n"); + printf(" DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DM (RDQSD) (RDQSND)\n"); + + dump_loop(param, &__rbdl_dump); +} + +static void __wld_dump(void __iomem *dx_base) +{ + int rank; + u32 lcdlr0 = readl(dx_base + MPHY_DX_LCDLR0); + u32 gtr = readl(dx_base + MPHY_DX_GTR); + + for (rank = 0; rank < 4; rank++) { + u32 wld = (lcdlr0 >> (8 * rank)) & 0xff; /* Delay */ + u32 wlsl = (gtr >> (12 + 2 * rank)) & 0x3; /* System Latency */ + + printf(FS PRINTF_FORMAT "%sT", wld, + wlsl == 0 ? "-1" : wlsl == 1 ? "+0" : "+1"); + } +} + +static void wld_dump(const struct uniphier_ddrmphy_param *param) +{ + printf("\n--- Write Leveling Delay ---\n"); + printf(" Rank0 Rank1 Rank2 Rank3\n"); + + dump_loop(param, &__wld_dump); +} + +static void __dqsgd_dump(void __iomem *dx_base) +{ + int rank; + u32 lcdlr2 = readl(dx_base + MPHY_DX_LCDLR2); + u32 gtr = readl(dx_base + MPHY_DX_GTR); + + for (rank = 0; rank < 4; rank++) { + u32 dqsgd = (lcdlr2 >> (8 * rank)) & 0xff; /* Delay */ + u32 dgsl = (gtr >> (3 * rank)) & 0x7; /* System Latency */ + + printf(FS PRINTF_FORMAT "+%dT", dqsgd, dgsl); + } +} + +static void dqsgd_dump(const struct uniphier_ddrmphy_param *param) +{ + printf("\n--- DQS Gating Delay ---\n"); + printf(" Rank0 Rank1 Rank2 Rank3\n"); + + dump_loop(param, &__dqsgd_dump); +} + +static void __mdl_dump(void __iomem *dx_base) +{ + int i; + u32 mdl = readl(dx_base + MPHY_DX_MDLR); + + for (i = 0; i < 3; i++) + printf(FS PRINTF_FORMAT, (mdl >> (8 * i)) & 0xff); +} + +static void mdl_dump(const struct uniphier_ddrmphy_param *param) +{ + printf("\n--- Master Delay Line ---\n"); + printf(" IPRD TPRD MDLD\n"); + + dump_loop(param, &__mdl_dump); +} + +#define REG_DUMP(x) \ + { int ofst = MPHY_ ## x; void __iomem *reg = phy_base + ofst; \ + printf("%3d: %-10s: %p : %08x\n", \ + ofst >> MPHY_SHIFT, #x, reg, readl(reg)); } + +#define DX_REG_DUMP(dx, x) \ + { int ofst = MPHY_DX_BASE + MPHY_DX_STRIDE * (dx) + \ + MPHY_DX_## x; \ + void __iomem *reg = phy_base + ofst; \ + printf("%3d: DX%d%-7s: %p : %08x\n", \ + ofst >> MPHY_SHIFT, (dx), #x, reg, readl(reg)); } + +static void reg_dump(const struct uniphier_ddrmphy_param *param) +{ + void __iomem *phy_base; + int phy, dx; + + printf("\n--- DDR Multi PHY registers ---\n"); + + for (phy = 0; phy < param->nr_phy; phy++) { + phy_base = ioremap(param->phy[phy].base, SZ_4K); + + printf("== PHY%d (base: %08x) ==\n", phy, + ptr_to_uint(phy_base)); + printf(" No: Name : Address : Data\n"); + + REG_DUMP(RIDR); + REG_DUMP(PIR); + REG_DUMP(PGCR0); + REG_DUMP(PGCR1); + REG_DUMP(PGCR2); + REG_DUMP(PGCR3); + REG_DUMP(PGSR0); + REG_DUMP(PGSR1); + REG_DUMP(PLLCR); + REG_DUMP(PTR0); + REG_DUMP(PTR1); + REG_DUMP(PTR2); + REG_DUMP(PTR3); + REG_DUMP(PTR4); + REG_DUMP(ACMDLR); + REG_DUMP(ACBDLR0); + REG_DUMP(DXCCR); + REG_DUMP(DSGCR); + REG_DUMP(DCR); + REG_DUMP(DTPR0); + REG_DUMP(DTPR1); + REG_DUMP(DTPR2); + REG_DUMP(DTPR3); + REG_DUMP(MR0); + REG_DUMP(MR1); + REG_DUMP(MR2); + REG_DUMP(MR3); + + for (dx = 0; dx < param->phy[phy].nr_dx; dx++) { + DX_REG_DUMP(dx, GCR0); + DX_REG_DUMP(dx, GCR1); + DX_REG_DUMP(dx, GCR2); + DX_REG_DUMP(dx, GCR3); + DX_REG_DUMP(dx, GTR); + } + + iounmap(phy_base); + } +} + +static int do_ddrm(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + const struct uniphier_ddrmphy_param *param; + char *cmd; + + param = uniphier_get_ddrmphy_param(); + if (!param) { + pr_err("unsupported SoC\n"); + return CMD_RET_FAILURE; + } + + if (argc == 1) + cmd = "all"; + else + cmd = argv[1]; + + if (!strcmp(cmd, "zq") || !strcmp(cmd, "all")) + zq_dump(param); + + if (!strcmp(cmd, "wbdl") || !strcmp(cmd, "all")) + wbdl_dump(param); + + if (!strcmp(cmd, "rbdl") || !strcmp(cmd, "all")) + rbdl_dump(param); + + if (!strcmp(cmd, "wld") || !strcmp(cmd, "all")) + wld_dump(param); + + if (!strcmp(cmd, "dqsgd") || !strcmp(cmd, "all")) + dqsgd_dump(param); + + if (!strcmp(cmd, "mdl") || !strcmp(cmd, "all")) + mdl_dump(param); + + if (!strcmp(cmd, "reg") || !strcmp(cmd, "all")) + reg_dump(param); + + return CMD_RET_SUCCESS; +} + +U_BOOT_CMD( + ddrm, 2, 1, do_ddrm, + "UniPhier DDR Multi PHY parameters dumper", + "- dump all of the following\n" + "ddrm zq - dump Impedance Data\n" + "ddrm wbdl - dump Write Bit Delay\n" + "ddrm rbdl - dump Read Bit Delay\n" + "ddrm wld - dump Write Leveling\n" + "ddrm dqsgd - dump DQS Gating Delay\n" + "ddrm mdl - dump Master Delay Line\n" + "ddrm reg - dump registers\n" +); diff --git a/roms/u-boot/arch/arm/mach-uniphier/dram/cmd_ddrphy.c b/roms/u-boot/arch/arm/mach-uniphier/dram/cmd_ddrphy.c new file mode 100644 index 000000000..ca519d1c7 --- /dev/null +++ b/roms/u-boot/arch/arm/mach-uniphier/dram/cmd_ddrphy.c @@ -0,0 +1,312 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2014 Panasonic Corporation + * Copyright (C) 2015-2017 Socionext Inc. + * Author: Masahiro Yamada <yamada.masahiro@socionext.com> + */ + +#include <command.h> +#include <stdio.h> +#include <linux/io.h> +#include <linux/printk.h> +#include <linux/sizes.h> + +#include "../soc-info.h" +#include "ddrphy-regs.h" + +/* Select either decimal or hexadecimal */ +#if 1 +#define PRINTF_FORMAT "%2d" +#else +#define PRINTF_FORMAT "%02x" +#endif +/* field separator */ +#define FS " " + +#define ptr_to_uint(p) ((unsigned int)(unsigned long)(p)) + +#define UNIPHIER_MAX_NR_DDRPHY 4 + +struct uniphier_ddrphy_param { + unsigned int soc_id; + unsigned int nr_phy; + struct { + resource_size_t base; + unsigned int nr_dx; + } phy[UNIPHIER_MAX_NR_DDRPHY]; +}; + +static const struct uniphier_ddrphy_param uniphier_ddrphy_param[] = { + { + .soc_id = UNIPHIER_LD4_ID, + .nr_phy = 2, + .phy = { + { .base = 0x5bc01000, .nr_dx = 2, }, + { .base = 0x5be01000, .nr_dx = 2, }, + }, + }, + { + .soc_id = UNIPHIER_PRO4_ID, + .nr_phy = 4, + .phy = { + { .base = 0x5bc01000, .nr_dx = 2, }, + { .base = 0x5bc02000, .nr_dx = 2, }, + { .base = 0x5be01000, .nr_dx = 2, }, + { .base = 0x5be02000, .nr_dx = 2, }, + }, + }, + { + .soc_id = UNIPHIER_SLD8_ID, + .nr_phy = 2, + .phy = { + { .base = 0x5bc01000, .nr_dx = 2, }, + { .base = 0x5be01000, .nr_dx = 2, }, + }, + }, + { + .soc_id = UNIPHIER_LD11_ID, + .nr_phy = 1, + .phy = { + { .base = 0x5bc01000, .nr_dx = 4, }, + }, + }, +}; +UNIPHIER_DEFINE_SOCDATA_FUNC(uniphier_get_ddrphy_param, uniphier_ddrphy_param) + +static void print_bdl(void __iomem *reg, int n) +{ + u32 val = readl(reg); + int i; + + for (i = 0; i < n; i++) + printf(FS PRINTF_FORMAT, (val >> i * 6) & 0x3f); +} + +static void dump_loop(const struct uniphier_ddrphy_param *param, + void (*callback)(void __iomem *)) +{ + void __iomem *phy_base, *dx_base; + int phy, dx; + + for (phy = 0; phy < param->nr_phy; phy++) { + phy_base = ioremap(param->phy[phy].base, SZ_4K); + dx_base = phy_base + PHY_DX_BASE; + + for (dx = 0; dx < param->phy[phy].nr_dx; dx++) { + printf("PHY%dDX%d:", phy, dx); + (*callback)(dx_base); + dx_base += PHY_DX_STRIDE; + printf("\n"); + } + + iounmap(phy_base); + } +} + +static void __wbdl_dump(void __iomem *dx_base) +{ + print_bdl(dx_base + PHY_DX_BDLR0, 5); + print_bdl(dx_base + PHY_DX_BDLR1, 5); + + printf(FS "(+" PRINTF_FORMAT ")", + readl(dx_base + PHY_DX_LCDLR1) & 0xff); +} + +static void wbdl_dump(const struct uniphier_ddrphy_param *param) +{ + printf("\n--- Write Bit Delay Line ---\n"); + printf(" DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DM DQS (WDQD)\n"); + + dump_loop(param, &__wbdl_dump); +} + +static void __rbdl_dump(void __iomem *dx_base) +{ + print_bdl(dx_base + PHY_DX_BDLR3, 5); + print_bdl(dx_base + PHY_DX_BDLR4, 4); + + printf(FS "(+" PRINTF_FORMAT ")", + (readl(dx_base + PHY_DX_LCDLR1) >> 8) & 0xff); +} + +static void rbdl_dump(const struct uniphier_ddrphy_param *param) +{ + printf("\n--- Read Bit Delay Line ---\n"); + printf(" DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DM (RDQSD)\n"); + + dump_loop(param, &__rbdl_dump); +} + +static void __wld_dump(void __iomem *dx_base) +{ + int rank; + u32 lcdlr0 = readl(dx_base + PHY_DX_LCDLR0); + u32 gtr = readl(dx_base + PHY_DX_GTR); + + for (rank = 0; rank < 4; rank++) { + u32 wld = (lcdlr0 >> (8 * rank)) & 0xff; /* Delay */ + u32 wlsl = (gtr >> (12 + 2 * rank)) & 0x3; /* System Latency */ + + printf(FS PRINTF_FORMAT "%sT", wld, + wlsl == 0 ? "-1" : wlsl == 1 ? "+0" : "+1"); + } +} + +static void wld_dump(const struct uniphier_ddrphy_param *param) +{ + printf("\n--- Write Leveling Delay ---\n"); + printf(" Rank0 Rank1 Rank2 Rank3\n"); + + dump_loop(param, &__wld_dump); +} + +static void __dqsgd_dump(void __iomem *dx_base) +{ + int rank; + u32 lcdlr2 = readl(dx_base + PHY_DX_LCDLR2); + u32 gtr = readl(dx_base + PHY_DX_GTR); + + for (rank = 0; rank < 4; rank++) { + u32 dqsgd = (lcdlr2 >> (8 * rank)) & 0xff; /* Delay */ + u32 dgsl = (gtr >> (3 * rank)) & 0x7; /* System Latency */ + + printf(FS PRINTF_FORMAT "+%dT", dqsgd, dgsl); + } +} + +static void dqsgd_dump(const struct uniphier_ddrphy_param *param) +{ + printf("\n--- DQS Gating Delay ---\n"); + printf(" Rank0 Rank1 Rank2 Rank3\n"); + + dump_loop(param, &__dqsgd_dump); +} + +static void __mdl_dump(void __iomem *dx_base) +{ + int i; + u32 mdl = readl(dx_base + PHY_DX_MDLR); + + for (i = 0; i < 3; i++) + printf(FS PRINTF_FORMAT, (mdl >> (8 * i)) & 0xff); +} + +static void mdl_dump(const struct uniphier_ddrphy_param *param) +{ + printf("\n--- Master Delay Line ---\n"); + printf(" IPRD TPRD MDLD\n"); + + dump_loop(param, &__mdl_dump); +} + +#define REG_DUMP(x) \ + { int ofst = PHY_ ## x; void __iomem *reg = phy_base + ofst; \ + printf("%3d: %-10s: %08x : %08x\n", \ + ofst >> PHY_REG_SHIFT, #x, \ + ptr_to_uint(reg), readl(reg)); } + +#define DX_REG_DUMP(dx, x) \ + { int ofst = PHY_DX_BASE + PHY_DX_STRIDE * (dx) + \ + PHY_DX_## x; \ + void __iomem *reg = phy_base + ofst; \ + printf("%3d: DX%d%-7s: %08x : %08x\n", \ + ofst >> PHY_REG_SHIFT, (dx), #x, \ + ptr_to_uint(reg), readl(reg)); } + +static void reg_dump(const struct uniphier_ddrphy_param *param) +{ + void __iomem *phy_base; + int phy, dx; + + printf("\n--- DDR PHY registers ---\n"); + + for (phy = 0; phy < param->nr_phy; phy++) { + phy_base = ioremap(param->phy[phy].base, SZ_4K); + + printf("== PHY%d (base: %08x) ==\n", + phy, ptr_to_uint(phy_base)); + printf(" No: Name : Address : Data\n"); + + REG_DUMP(RIDR); + REG_DUMP(PIR); + REG_DUMP(PGCR0); + REG_DUMP(PGCR1); + REG_DUMP(PGSR0); + REG_DUMP(PGSR1); + REG_DUMP(PLLCR); + REG_DUMP(PTR0); + REG_DUMP(PTR1); + REG_DUMP(PTR2); + REG_DUMP(PTR3); + REG_DUMP(PTR4); + REG_DUMP(ACMDLR); + REG_DUMP(ACBDLR); + REG_DUMP(DXCCR); + REG_DUMP(DSGCR); + REG_DUMP(DCR); + REG_DUMP(DTPR0); + REG_DUMP(DTPR1); + REG_DUMP(DTPR2); + REG_DUMP(MR0); + REG_DUMP(MR1); + REG_DUMP(MR2); + REG_DUMP(MR3); + + for (dx = 0; dx < param->phy[phy].nr_dx; dx++) { + DX_REG_DUMP(dx, GCR); + DX_REG_DUMP(dx, GTR); + } + + iounmap(phy_base); + } +} + +static int do_ddr(struct cmd_tbl *cmdtp, int flag, int argc, + char *const argv[]) +{ + const struct uniphier_ddrphy_param *param; + char *cmd; + + param = uniphier_get_ddrphy_param(); + if (!param) { + pr_err("unsupported SoC\n"); + return CMD_RET_FAILURE; + } + + if (argc == 1) + cmd = "all"; + else + cmd = argv[1]; + + if (!strcmp(cmd, "wbdl") || !strcmp(cmd, "all")) + wbdl_dump(param); + + if (!strcmp(cmd, "rbdl") || !strcmp(cmd, "all")) + rbdl_dump(param); + + if (!strcmp(cmd, "wld") || !strcmp(cmd, "all")) + wld_dump(param); + + if (!strcmp(cmd, "dqsgd") || !strcmp(cmd, "all")) + dqsgd_dump(param); + + if (!strcmp(cmd, "mdl") || !strcmp(cmd, "all")) + mdl_dump(param); + + if (!strcmp(cmd, "reg") || !strcmp(cmd, "all")) + reg_dump(param); + + return CMD_RET_SUCCESS; +} + +U_BOOT_CMD( + ddr, 2, 1, do_ddr, + "UniPhier DDR PHY parameters dumper", + "- dump all of the following\n" + "ddr wbdl - dump Write Bit Delay\n" + "ddr rbdl - dump Read Bit Delay\n" + "ddr wld - dump Write Leveling\n" + "ddr dqsgd - dump DQS Gating Delay\n" + "ddr mdl - dump Master Delay Line\n" + "ddr reg - dump registers\n" +); diff --git a/roms/u-boot/arch/arm/mach-uniphier/dram/ddrmphy-regs.h b/roms/u-boot/arch/arm/mach-uniphier/dram/ddrmphy-regs.h new file mode 100644 index 000000000..96bab9de5 --- /dev/null +++ b/roms/u-boot/arch/arm/mach-uniphier/dram/ddrmphy-regs.h @@ -0,0 +1,145 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * UniPhier DDR MultiPHY registers + * + * Copyright (C) 2015-2017 Socionext Inc. + */ + +#ifndef UNIPHIER_DDRMPHY_REGS_H +#define UNIPHIER_DDRMPHY_REGS_H + +#include <linux/bitops.h> + +#define MPHY_SHIFT 2 + +#define MPHY_RIDR (0x000 << MPHY_SHIFT) +#define MPHY_PIR (0x001 << MPHY_SHIFT) +#define MPHY_PIR_INIT BIT(0) /* Initialization Trigger */ +#define MPHY_PIR_ZCAL BIT(1) /* Impedance Calibration */ +#define MPHY_PIR_PLLINIT BIT(4) /* PLL Initialization */ +#define MPHY_PIR_DCAL BIT(5) /* DDL Calibration */ +#define MPHY_PIR_PHYRST BIT(6) /* PHY Reset */ +#define MPHY_PIR_DRAMRST BIT(7) /* DRAM Reset */ +#define MPHY_PIR_DRAMINIT BIT(8) /* DRAM Initialization */ +#define MPHY_PIR_WL BIT(9) /* Write Leveling */ +#define MPHY_PIR_QSGATE BIT(10) /* Read DQS Gate Training */ +#define MPHY_PIR_WLADJ BIT(11) /* Write Leveling Adjust */ +#define MPHY_PIR_RDDSKW BIT(12) /* Read Data Bit Deskew */ +#define MPHY_PIR_WRDSKW BIT(13) /* Write Data Bit Deskew */ +#define MPHY_PIR_RDEYE BIT(14) /* Read Data Eye Training */ +#define MPHY_PIR_WREYE BIT(15) /* Write Data Eye Training */ +#define MPHY_PIR_ZCALBYP BIT(30) /* Impedance Calib Bypass */ +#define MPHY_PIR_INITBYP BIT(31) /* Initialization Bypass */ +#define MPHY_PGCR0 (0x002 << MPHY_SHIFT) +#define MPHY_PGCR0_PHYFRST BIT(26) /* PHY FIFO Reset */ +#define MPHY_PGCR1 (0x003 << MPHY_SHIFT) +#define MPHY_PGCR1_INHVT BIT(26) /* VT Calculation Inhibit */ +#define MPHY_PGCR2 (0x004 << MPHY_SHIFT) +#define MPHY_PGCR2_DUALCHN BIT(28) /* Dual Channel Configuration*/ +#define MPHY_PGCR2_ACPDDC BIT(29) /* AC Power-Down with Dual Ch*/ +#define MPHY_PGCR3 (0x005 << MPHY_SHIFT) +#define MPHY_PGSR0 (0x006 << MPHY_SHIFT) +#define MPHY_PGSR0_IDONE BIT(0) /* Initialization Done */ +#define MPHY_PGSR0_PLDONE BIT(1) /* PLL Lock Done */ +#define MPHY_PGSR0_DCDONE BIT(2) /* DDL Calibration Done */ +#define MPHY_PGSR0_ZCDONE BIT(3) /* Impedance Calibration Done */ +#define MPHY_PGSR0_DIDONE BIT(4) /* DRAM Initialization Done */ +#define MPHY_PGSR0_WLDONE BIT(5) /* Write Leveling Done */ +#define MPHY_PGSR0_QSGDONE BIT(6) /* DQS Gate Training Done */ +#define MPHY_PGSR0_WLADONE BIT(7) /* Write Leveling Adjust Done */ +#define MPHY_PGSR0_RDDONE BIT(8) /* Read Bit Deskew Done */ +#define MPHY_PGSR0_WDDONE BIT(9) /* Write Bit Deskew Done */ +#define MPHY_PGSR0_REDONE BIT(10) /* Read Eye Training Done */ +#define MPHY_PGSR0_WEDONE BIT(11) /* Write Eye Training Done */ +#define MPHY_PGSR0_ZCERR BIT(20) /* Impedance Calib Error */ +#define MPHY_PGSR0_WLERR BIT(21) /* Write Leveling Error */ +#define MPHY_PGSR0_QSGERR BIT(22) /* DQS Gate Training Error */ +#define MPHY_PGSR0_WLAERR BIT(23) /* Write Leveling Adj Error */ +#define MPHY_PGSR0_RDERR BIT(24) /* Read Bit Deskew Error */ +#define MPHY_PGSR0_WDERR BIT(25) /* Write Bit Deskew Error */ +#define MPHY_PGSR0_REERR BIT(26) /* Read Eye Training Error */ +#define MPHY_PGSR0_WEERR BIT(27) /* Write Eye Training Error */ +#define MPHY_PGSR1 (0x007 << MPHY_SHIFT) +#define MPHY_PGSR1_VTSTOP BIT(30) /* VT Stop */ +#define MPHY_PLLCR (0x008 << MPHY_SHIFT) +#define MPHY_PTR0 (0x009 << MPHY_SHIFT) +#define MPHY_PTR1 (0x00A << MPHY_SHIFT) +#define MPHY_PTR2 (0x00B << MPHY_SHIFT) +#define MPHY_PTR3 (0x00C << MPHY_SHIFT) +#define MPHY_PTR4 (0x00D << MPHY_SHIFT) +#define MPHY_ACMDLR (0x00E << MPHY_SHIFT) +#define MPHY_ACLCDLR (0x00F << MPHY_SHIFT) +#define MPHY_ACBDLR0 (0x010 << MPHY_SHIFT) +#define MPHY_ACBDLR1 (0x011 << MPHY_SHIFT) +#define MPHY_ACBDLR2 (0x012 << MPHY_SHIFT) +#define MPHY_ACBDLR3 (0x013 << MPHY_SHIFT) +#define MPHY_ACBDLR4 (0x014 << MPHY_SHIFT) +#define MPHY_ACBDLR5 (0x015 << MPHY_SHIFT) +#define MPHY_ACBDLR6 (0x016 << MPHY_SHIFT) +#define MPHY_ACBDLR7 (0x017 << MPHY_SHIFT) +#define MPHY_ACBDLR8 (0x018 << MPHY_SHIFT) +#define MPHY_ACBDLR9 (0x019 << MPHY_SHIFT) +#define MPHY_ACIOCR0 (0x01A << MPHY_SHIFT) +#define MPHY_ACIOCR1 (0x01B << MPHY_SHIFT) +#define MPHY_ACIOCR2 (0x01C << MPHY_SHIFT) +#define MPHY_ACIOCR3 (0x01D << MPHY_SHIFT) +#define MPHY_ACIOCR4 (0x01E << MPHY_SHIFT) +#define MPHY_ACIOCR5 (0x01F << MPHY_SHIFT) +#define MPHY_DXCCR (0x020 << MPHY_SHIFT) +#define MPHY_DSGCR (0x021 << MPHY_SHIFT) +#define MPHY_DCR (0x022 << MPHY_SHIFT) +#define MPHY_DTPR0 (0x023 << MPHY_SHIFT) +#define MPHY_DTPR1 (0x024 << MPHY_SHIFT) +#define MPHY_DTPR2 (0x025 << MPHY_SHIFT) +#define MPHY_DTPR3 (0x026 << MPHY_SHIFT) +#define MPHY_MR0 (0x027 << MPHY_SHIFT) +#define MPHY_MR1 (0x028 << MPHY_SHIFT) +#define MPHY_MR2 (0x029 << MPHY_SHIFT) +#define MPHY_MR3 (0x02A << MPHY_SHIFT) +#define MPHY_ODTCR (0x02B << MPHY_SHIFT) +#define MPHY_DTCR (0x02C << MPHY_SHIFT) +#define MPHY_DTCR_RANKEN_SHIFT 24 /* Rank Enable */ +#define MPHY_DTCR_RANKEN_MASK (0xf << (MPHY_DTCR_RANKEN_SHIFT)) +#define MPHY_DTAR0 (0x02D << MPHY_SHIFT) +#define MPHY_DTAR1 (0x02E << MPHY_SHIFT) +#define MPHY_DTAR2 (0x02F << MPHY_SHIFT) +#define MPHY_DTAR3 (0x030 << MPHY_SHIFT) +#define MPHY_DTDR0 (0x031 << MPHY_SHIFT) +#define MPHY_DTDR1 (0x032 << MPHY_SHIFT) +#define MPHY_DTEDR0 (0x033 << MPHY_SHIFT) +#define MPHY_DTEDR1 (0x034 << MPHY_SHIFT) +#define MPHY_ZQCR (0x090 << MPHY_SHIFT) +#define MPHY_ZQCR_AVGEN BIT(16) /* Average Algorithm */ +#define MPHY_ZQCR_FORCE_ZCAL_VT_UPDATE BIT(27) /* force VT update */ +/* ZQ */ +#define MPHY_ZQ_BASE (0x091 << MPHY_SHIFT) +#define MPHY_ZQ_STRIDE (0x004 << MPHY_SHIFT) +#define MPHY_ZQ_PR (0x000 << MPHY_SHIFT) +#define MPHY_ZQ_DR (0x001 << MPHY_SHIFT) +#define MPHY_ZQ_SR (0x002 << MPHY_SHIFT) +/* DATX8 */ +#define MPHY_DX_BASE (0x0A0 << MPHY_SHIFT) +#define MPHY_DX_STRIDE (0x020 << MPHY_SHIFT) +#define MPHY_DX_GCR0 (0x000 << MPHY_SHIFT) +#define MPHY_DX_GCR0_WLRKEN_SHIFT 26 /* Write Level Rank Enable */ +#define MPHY_DX_GCR0_WLRKEN_MASK (0xf << (MPHY_DX_GCR0_WLRKEN_SHIFT)) +#define MPHY_DX_GCR1 (0x001 << MPHY_SHIFT) +#define MPHY_DX_GCR2 (0x002 << MPHY_SHIFT) +#define MPHY_DX_GCR3 (0x003 << MPHY_SHIFT) +#define MPHY_DX_GSR0 (0x004 << MPHY_SHIFT) +#define MPHY_DX_GSR1 (0x005 << MPHY_SHIFT) +#define MPHY_DX_GSR2 (0x006 << MPHY_SHIFT) +#define MPHY_DX_BDLR0 (0x007 << MPHY_SHIFT) +#define MPHY_DX_BDLR1 (0x008 << MPHY_SHIFT) +#define MPHY_DX_BDLR2 (0x009 << MPHY_SHIFT) +#define MPHY_DX_BDLR3 (0x00A << MPHY_SHIFT) +#define MPHY_DX_BDLR4 (0x00B << MPHY_SHIFT) +#define MPHY_DX_BDLR5 (0x00C << MPHY_SHIFT) +#define MPHY_DX_BDLR6 (0x00D << MPHY_SHIFT) +#define MPHY_DX_LCDLR0 (0x00E << MPHY_SHIFT) +#define MPHY_DX_LCDLR1 (0x00F << MPHY_SHIFT) +#define MPHY_DX_LCDLR2 (0x010 << MPHY_SHIFT) +#define MPHY_DX_MDLR (0x011 << MPHY_SHIFT) +#define MPHY_DX_GTR (0x012 << MPHY_SHIFT) + +#endif /* UNIPHIER_DDRMPHY_REGS_H */ diff --git a/roms/u-boot/arch/arm/mach-uniphier/dram/ddrphy-init.h b/roms/u-boot/arch/arm/mach-uniphier/dram/ddrphy-init.h new file mode 100644 index 000000000..09981f6e0 --- /dev/null +++ b/roms/u-boot/arch/arm/mach-uniphier/dram/ddrphy-init.h @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2016 Socionext Inc. + */ + +#ifndef ARCH_DDRPHY_INIT_H +#define ARCH_DDRPHY_INTT_H + +#include <linux/compiler.h> +#include <linux/types.h> + +int uniphier_ld4_ddrphy_init(void __iomem *phy_base, int freq, bool ddr3plus); +void ddrphy_prepare_training(void __iomem *phy_base, int rank); +int ddrphy_training(void __iomem *phy_base); + +#endif /* ARCH_DDRPHY_INT_H */ diff --git a/roms/u-boot/arch/arm/mach-uniphier/dram/ddrphy-ld4.c b/roms/u-boot/arch/arm/mach-uniphier/dram/ddrphy-ld4.c new file mode 100644 index 000000000..26f3ba9d5 --- /dev/null +++ b/roms/u-boot/arch/arm/mach-uniphier/dram/ddrphy-ld4.c @@ -0,0 +1,78 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2014 Panasonic Corporation + * Copyright (C) 2015-2016 Socionext Inc. + */ + +#include <linux/bitops.h> +#include <linux/errno.h> +#include <linux/io.h> +#include <linux/printk.h> + +#include "ddrphy-init.h" +#include "ddrphy-regs.h" + +enum dram_freq { + DRAM_FREQ_1333M, + DRAM_FREQ_1600M, + DRAM_FREQ_NR, +}; + +static u32 ddrphy_ptr0[DRAM_FREQ_NR] = {0x0a806844, 0x0c807d04}; +static u32 ddrphy_ptr1[DRAM_FREQ_NR] = {0x208e0124, 0x2710015E}; +static u32 ddrphy_ptr3[DRAM_FREQ_NR] = {0x0f051616, 0x12061A80}; +static u32 ddrphy_ptr4[DRAM_FREQ_NR] = {0x06ae08d6, 0x08027100}; +static u32 ddrphy_dtpr0[DRAM_FREQ_NR] = {0x85589955, 0x999cbb66}; +static u32 ddrphy_dtpr1[DRAM_FREQ_NR] = {0x1a8363c0, 0x1a878400}; +static u32 ddrphy_dtpr2[DRAM_FREQ_NR] = {0x5002c200, 0xa00214f8}; +static u32 ddrphy_mr0[DRAM_FREQ_NR] = {0x00000b51, 0x00000d71}; +static u32 ddrphy_mr2[DRAM_FREQ_NR] = {0x00000290, 0x00000298}; + +int uniphier_ld4_ddrphy_init(void __iomem *phy_base, int freq, bool ddr3plus) +{ + enum dram_freq freq_e; + u32 tmp; + + switch (freq) { + case 1333: + freq_e = DRAM_FREQ_1333M; + break; + case 1600: + freq_e = DRAM_FREQ_1600M; + break; + default: + pr_err("unsupported DRAM frequency %d MHz\n", freq); + return -EINVAL; + } + + writel(0x0300c473, phy_base + PHY_PGCR1); + writel(ddrphy_ptr0[freq_e], phy_base + PHY_PTR0); + writel(ddrphy_ptr1[freq_e], phy_base + PHY_PTR1); + writel(0x00083DEF, phy_base + PHY_PTR2); + writel(ddrphy_ptr3[freq_e], phy_base + PHY_PTR3); + writel(ddrphy_ptr4[freq_e], phy_base + PHY_PTR4); + writel(0xF004001A, phy_base + PHY_DSGCR); + + /* change the value of the on-die pull-up/pull-down registors */ + tmp = readl(phy_base + PHY_DXCCR); + tmp &= ~0x0ee0; + tmp |= PHY_DXCCR_DQSNRES_688_OHM | PHY_DXCCR_DQSRES_688_OHM; + writel(tmp, phy_base + PHY_DXCCR); + + writel(0x0000040B, phy_base + PHY_DCR); + writel(ddrphy_dtpr0[freq_e], phy_base + PHY_DTPR0); + writel(ddrphy_dtpr1[freq_e], phy_base + PHY_DTPR1); + writel(ddrphy_dtpr2[freq_e], phy_base + PHY_DTPR2); + writel(ddrphy_mr0[freq_e], phy_base + PHY_MR0); + writel(0x00000006, phy_base + PHY_MR1); + writel(ddrphy_mr2[freq_e], phy_base + PHY_MR2); + writel(ddr3plus ? 0x00000800 : 0x00000000, phy_base + PHY_MR3); + + while (!(readl(phy_base + PHY_PGSR0) & PHY_PGSR0_IDONE)) + ; + + writel(0x0300C473, phy_base + PHY_PGCR1); + writel(0x0000005D, phy_base + PHY_ZQ_BASE + PHY_ZQ_CR1); + + return 0; +} diff --git a/roms/u-boot/arch/arm/mach-uniphier/dram/ddrphy-regs.h b/roms/u-boot/arch/arm/mach-uniphier/dram/ddrphy-regs.h new file mode 100644 index 000000000..8b342921b --- /dev/null +++ b/roms/u-boot/arch/arm/mach-uniphier/dram/ddrphy-regs.h @@ -0,0 +1,143 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * UniPhier DDR PHY registers + * + * Copyright (C) 2014 Panasonic Corporation + * Copyright (C) 2015-2016 Socionext Inc. + */ + +#ifndef ARCH_DDRPHY_REGS_H +#define ARCH_DDRPHY_REGS_H + +#include <linux/bitops.h> +#define PHY_REG_SHIFT 2 + +#define PHY_RIDR (0x000 << PHY_REG_SHIFT) +#define PHY_PIR (0x001 << PHY_REG_SHIFT) +#define PHY_PIR_INIT BIT(0) /* Initialization Trigger */ +#define PHY_PIR_ZCAL BIT(1) /* Impedance Calibration */ +#define PHY_PIR_PLLINIT BIT(4) /* PLL Initialization */ +#define PHY_PIR_DCAL BIT(5) /* DDL Calibration */ +#define PHY_PIR_PHYRST BIT(6) /* PHY Reset */ +#define PHY_PIR_DRAMRST BIT(7) /* DRAM Reset */ +#define PHY_PIR_DRAMINIT BIT(8) /* DRAM Initialization */ +#define PHY_PIR_WL BIT(9) /* Write Leveling */ +#define PHY_PIR_QSGATE BIT(10) /* Read DQS Gate Training */ +#define PHY_PIR_WLADJ BIT(11) /* Write Leveling Adjust */ +#define PHY_PIR_RDDSKW BIT(12) /* Read Data Bit Deskew */ +#define PHY_PIR_WRDSKW BIT(13) /* Write Data Bit Deskew */ +#define PHY_PIR_RDEYE BIT(14) /* Read Data Eye Training */ +#define PHY_PIR_WREYE BIT(15) /* Write Data Eye Training */ +#define PHY_PIR_LOCKBYP BIT(28) /* PLL Lock Bypass */ +#define PHY_PIR_DCALBYP BIT(29) /* DDL Calibration Bypass */ +#define PHY_PIR_ZCALBYP BIT(30) /* Impedance Calib Bypass */ +#define PHY_PIR_INITBYP BIT(31) /* Initialization Bypass */ +#define PHY_PGCR0 (0x002 << PHY_REG_SHIFT) +#define PHY_PGCR1 (0x003 << PHY_REG_SHIFT) +#define PHY_PGCR1_INHVT BIT(26) /* VT Calculation Inhibit */ +#define PHY_PGSR0 (0x004 << PHY_REG_SHIFT) +#define PHY_PGSR0_IDONE BIT(0) /* Initialization Done */ +#define PHY_PGSR0_PLDONE BIT(1) /* PLL Lock Done */ +#define PHY_PGSR0_DCDONE BIT(2) /* DDL Calibration Done */ +#define PHY_PGSR0_ZCDONE BIT(3) /* Impedance Calibration Done */ +#define PHY_PGSR0_DIDONE BIT(4) /* DRAM Initialization Done */ +#define PHY_PGSR0_WLDONE BIT(5) /* Write Leveling Done */ +#define PHY_PGSR0_QSGDONE BIT(6) /* DQS Gate Training Done */ +#define PHY_PGSR0_WLADONE BIT(7) /* Write Leveling Adjust Done */ +#define PHY_PGSR0_RDDONE BIT(8) /* Read Bit Deskew Done */ +#define PHY_PGSR0_WDDONE BIT(9) /* Write Bit Deskew Done */ +#define PHY_PGSR0_REDONE BIT(10) /* Read Eye Training Done */ +#define PHY_PGSR0_WEDONE BIT(11) /* Write Eye Training Done */ +#define PHY_PGSR0_DIERR BIT(20) /* DRAM Initialization Error */ +#define PHY_PGSR0_WLERR BIT(21) /* Write Leveling Error */ +#define PHY_PGSR0_QSGERR BIT(22) /* DQS Gate Training Error */ +#define PHY_PGSR0_WLAERR BIT(23) /* Write Leveling Adj Error */ +#define PHY_PGSR0_RDERR BIT(24) /* Read Bit Deskew Error */ +#define PHY_PGSR0_WDERR BIT(25) /* Write Bit Deskew Error */ +#define PHY_PGSR0_REERR BIT(26) /* Read Eye Training Error */ +#define PHY_PGSR0_WEERR BIT(27) /* Write Eye Training Error */ +#define PHY_PGSR0_DTERR_SHIFT 28 /* Data Training Error Status*/ +#define PHY_PGSR0_DTERR (7 << (PHY_PGSR0_DTERR_SHIFT)) +#define PHY_PGSR1 (0x005 << PHY_REG_SHIFT) +#define PHY_PGSR1_VTSTOP BIT(30) /* VT Stop (v3-) */ +#define PHY_PLLCR (0x006 << PHY_REG_SHIFT) +#define PHY_PTR0 (0x007 << PHY_REG_SHIFT) +#define PHY_PTR1 (0x008 << PHY_REG_SHIFT) +#define PHY_PTR2 (0x009 << PHY_REG_SHIFT) +#define PHY_PTR3 (0x00A << PHY_REG_SHIFT) +#define PHY_PTR4 (0x00B << PHY_REG_SHIFT) +#define PHY_ACMDLR (0x00C << PHY_REG_SHIFT) +#define PHY_ACBDLR (0x00D << PHY_REG_SHIFT) +#define PHY_ACIOCR (0x00E << PHY_REG_SHIFT) +#define PHY_DXCCR (0x00F << PHY_REG_SHIFT) +#define PHY_DXCCR_DQSRES_OPEN (0 << 5) +#define PHY_DXCCR_DQSRES_688_OHM (1 << 5) +#define PHY_DXCCR_DQSRES_611_OHM (2 << 5) +#define PHY_DXCCR_DQSRES_550_OHM (3 << 5) +#define PHY_DXCCR_DQSRES_500_OHM (4 << 5) +#define PHY_DXCCR_DQSRES_458_OHM (5 << 5) +#define PHY_DXCCR_DQSRES_393_OHM (6 << 5) +#define PHY_DXCCR_DQSRES_344_OHM (7 << 5) +#define PHY_DXCCR_DQSNRES_OPEN (0 << 9) +#define PHY_DXCCR_DQSNRES_688_OHM (1 << 9) +#define PHY_DXCCR_DQSNRES_611_OHM (2 << 9) +#define PHY_DXCCR_DQSNRES_550_OHM (3 << 9) +#define PHY_DXCCR_DQSNRES_500_OHM (4 << 9) +#define PHY_DXCCR_DQSNRES_458_OHM (5 << 9) +#define PHY_DXCCR_DQSNRES_393_OHM (6 << 9) +#define PHY_DXCCR_DQSNRES_344_OHM (7 << 9) +#define PHY_DSGCR (0x010 << PHY_REG_SHIFT) +#define PHY_DCR (0x011 << PHY_REG_SHIFT) +#define PHY_DTPR0 (0x012 << PHY_REG_SHIFT) +#define PHY_DTPR1 (0x013 << PHY_REG_SHIFT) +#define PHY_DTPR2 (0x014 << PHY_REG_SHIFT) +#define PHY_MR0 (0x015 << PHY_REG_SHIFT) +#define PHY_MR1 (0x016 << PHY_REG_SHIFT) +#define PHY_MR2 (0x017 << PHY_REG_SHIFT) +#define PHY_MR3 (0x018 << PHY_REG_SHIFT) +#define PHY_ODTCR (0x019 << PHY_REG_SHIFT) +#define PHY_DTCR (0x01A << PHY_REG_SHIFT) +#define PHY_DTCR_DTRANK_SHIFT 4 /* Data Training Rank */ +#define PHY_DTCR_DTRANK_MASK (0x3 << (PHY_DTCR_DTRANK_SHIFT)) +#define PHY_DTCR_DTMPR BIT(6) /* Data Training using MPR */ +#define PHY_DTCR_RANKEN_SHIFT 24 /* Rank Enable */ +#define PHY_DTCR_RANKEN_MASK (0xf << (PHY_DTCR_RANKEN_SHIFT)) +#define PHY_DTAR0 (0x01B << PHY_REG_SHIFT) +#define PHY_DTAR1 (0x01C << PHY_REG_SHIFT) +#define PHY_DTAR2 (0x01D << PHY_REG_SHIFT) +#define PHY_DTAR3 (0x01E << PHY_REG_SHIFT) +#define PHY_DTDR0 (0x01F << PHY_REG_SHIFT) +#define PHY_DTDR1 (0x020 << PHY_REG_SHIFT) +#define PHY_DTEDR0 (0x021 << PHY_REG_SHIFT) +#define PHY_DTEDR1 (0x022 << PHY_REG_SHIFT) +#define PHY_PGCR2 (0x023 << PHY_REG_SHIFT) +#define PHY_GPR0 (0x05E << PHY_REG_SHIFT) +#define PHY_GPR1 (0x05F << PHY_REG_SHIFT) +/* ZQ */ +#define PHY_ZQ_BASE (0x060 << PHY_REG_SHIFT) +#define PHY_ZQ_STRIDE (0x004 << PHY_REG_SHIFT) +#define PHY_ZQ_CR0 (0x000 << PHY_REG_SHIFT) +#define PHY_ZQ_CR1 (0x001 << PHY_REG_SHIFT) +#define PHY_ZQ_SR0 (0x002 << PHY_REG_SHIFT) +#define PHY_ZQ_SR1 (0x003 << PHY_REG_SHIFT) +/* DATX8 */ +#define PHY_DX_BASE (0x070 << PHY_REG_SHIFT) +#define PHY_DX_STRIDE (0x010 << PHY_REG_SHIFT) +#define PHY_DX_GCR (0x000 << PHY_REG_SHIFT) +#define PHY_DX_GCR_WLRKEN_SHIFT 26 /* Write Level Rank Enable */ +#define PHY_DX_GCR_WLRKEN_MASK (0xf << (PHY_DX_GCR_WLRKEN_SHIFT)) +#define PHY_DX_GSR0 (0x001 << PHY_REG_SHIFT) +#define PHY_DX_GSR1 (0x002 << PHY_REG_SHIFT) +#define PHY_DX_BDLR0 (0x003 << PHY_REG_SHIFT) +#define PHY_DX_BDLR1 (0x004 << PHY_REG_SHIFT) +#define PHY_DX_BDLR2 (0x005 << PHY_REG_SHIFT) +#define PHY_DX_BDLR3 (0x006 << PHY_REG_SHIFT) +#define PHY_DX_BDLR4 (0x007 << PHY_REG_SHIFT) +#define PHY_DX_LCDLR0 (0x008 << PHY_REG_SHIFT) +#define PHY_DX_LCDLR1 (0x009 << PHY_REG_SHIFT) +#define PHY_DX_LCDLR2 (0x00A << PHY_REG_SHIFT) +#define PHY_DX_MDLR (0x00B << PHY_REG_SHIFT) +#define PHY_DX_GTR (0x00C << PHY_REG_SHIFT) +#define PHY_DX_GSR2 (0x00D << PHY_REG_SHIFT) + +#endif /* ARCH_DDRPHY_REGS_H */ diff --git a/roms/u-boot/arch/arm/mach-uniphier/dram/ddrphy-training.c b/roms/u-boot/arch/arm/mach-uniphier/dram/ddrphy-training.c new file mode 100644 index 000000000..1decdf1cb --- /dev/null +++ b/roms/u-boot/arch/arm/mach-uniphier/dram/ddrphy-training.c @@ -0,0 +1,146 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2011-2014 Panasonic Corporation + * Copyright (C) 2015-2016 Socionext Inc. + */ + +#include <linux/bitops.h> +#include <linux/delay.h> +#include <linux/errno.h> +#include <linux/io.h> +#include <linux/kernel.h> +#include <linux/printk.h> +#include <time.h> + +#include "ddrphy-init.h" +#include "ddrphy-regs.h" + +/* for LD4, Pro4, sLD8 */ +#define NR_DATX8_PER_DDRPHY 2 + +void ddrphy_prepare_training(void __iomem *phy_base, int rank) +{ + void __iomem *dx_base = phy_base + PHY_DX_BASE; + int dx; + u32 tmp; + + for (dx = 0; dx < NR_DATX8_PER_DDRPHY; dx++) { + tmp = readl(dx_base + PHY_DX_GCR); + /* Specify the rank that should be write leveled */ + tmp &= ~PHY_DX_GCR_WLRKEN_MASK; + tmp |= (1 << (PHY_DX_GCR_WLRKEN_SHIFT + rank)) & + PHY_DX_GCR_WLRKEN_MASK; + writel(tmp, dx_base + PHY_DX_GCR); + dx_base += PHY_DX_STRIDE; + } + + tmp = readl(phy_base + PHY_DTCR); + /* Specify the rank used during data bit deskew and eye centering */ + tmp &= ~PHY_DTCR_DTRANK_MASK; + tmp |= (rank << PHY_DTCR_DTRANK_SHIFT) & PHY_DTCR_DTRANK_MASK; + /* Use Multi-Purpose Register for DQS gate training */ + tmp |= PHY_DTCR_DTMPR; + /* Specify the rank enabled for data-training */ + tmp &= ~PHY_DTCR_RANKEN_MASK; + tmp |= (1 << (PHY_DTCR_RANKEN_SHIFT + rank)) & PHY_DTCR_RANKEN_MASK; + writel(tmp, phy_base + PHY_DTCR); +} + +struct ddrphy_init_sequence { + char *description; + u32 init_flag; + u32 done_flag; + u32 err_flag; +}; + +static const struct ddrphy_init_sequence init_sequence[] = { + { + "DRAM Initialization", + PHY_PIR_DRAMRST | PHY_PIR_DRAMINIT, + PHY_PGSR0_DIDONE, + PHY_PGSR0_DIERR + }, + { + "Write Leveling", + PHY_PIR_WL, + PHY_PGSR0_WLDONE, + PHY_PGSR0_WLERR + }, + { + "Read DQS Gate Training", + PHY_PIR_QSGATE, + PHY_PGSR0_QSGDONE, + PHY_PGSR0_QSGERR + }, + { + "Write Leveling Adjustment", + PHY_PIR_WLADJ, + PHY_PGSR0_WLADONE, + PHY_PGSR0_WLAERR + }, + { + "Read Bit Deskew", + PHY_PIR_RDDSKW, + PHY_PGSR0_RDDONE, + PHY_PGSR0_RDERR + }, + { + "Write Bit Deskew", + PHY_PIR_WRDSKW, + PHY_PGSR0_WDDONE, + PHY_PGSR0_WDERR + }, + { + "Read Eye Training", + PHY_PIR_RDEYE, + PHY_PGSR0_REDONE, + PHY_PGSR0_REERR + }, + { + "Write Eye Training", + PHY_PIR_WREYE, + PHY_PGSR0_WEDONE, + PHY_PGSR0_WEERR + } +}; + +int ddrphy_training(void __iomem *phy_base) +{ + int i; + u32 pgsr0; + u32 init_flag = PHY_PIR_INIT; + u32 done_flag = PHY_PGSR0_IDONE; + int timeout = 50000; /* 50 msec is long enough */ +#ifdef DEBUG + ulong start = get_timer(0); +#endif + + for (i = 0; i < ARRAY_SIZE(init_sequence); i++) { + init_flag |= init_sequence[i].init_flag; + done_flag |= init_sequence[i].done_flag; + } + + writel(init_flag, phy_base + PHY_PIR); + + do { + if (--timeout < 0) { + pr_err("timeout during DDR training\n"); + return -ETIMEDOUT; + } + udelay(1); + pgsr0 = readl(phy_base + PHY_PGSR0); + } while ((pgsr0 & done_flag) != done_flag); + + for (i = 0; i < ARRAY_SIZE(init_sequence); i++) { + if (pgsr0 & init_sequence[i].err_flag) { + pr_err("%s failed\n", init_sequence[i].description); + return -EIO; + } + } + +#ifdef DEBUG + pr_debug("DDR training: elapsed time %ld msec\n", get_timer(start)); +#endif + + return 0; +} diff --git a/roms/u-boot/arch/arm/mach-uniphier/dram/umc-ld4.c b/roms/u-boot/arch/arm/mach-uniphier/dram/umc-ld4.c new file mode 100644 index 000000000..96acca256 --- /dev/null +++ b/roms/u-boot/arch/arm/mach-uniphier/dram/umc-ld4.c @@ -0,0 +1,191 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2011-2014 Panasonic Corporation + * Copyright (C) 2015-2016 Socionext Inc. + * Author: Masahiro Yamada <yamada.masahiro@socionext.com> + */ + +#include <linux/errno.h> +#include <linux/io.h> +#include <linux/sizes.h> +#include <asm/processor.h> + +#include "../init.h" +#include "ddrphy-init.h" +#include "umc-regs.h" + +#define DRAM_CH_NR 2 + +enum dram_freq { + DRAM_FREQ_1333M, + DRAM_FREQ_1600M, + DRAM_FREQ_NR, +}; + +enum dram_size { + DRAM_SZ_128M, + DRAM_SZ_256M, + DRAM_SZ_NR, +}; + +static u32 umc_cmdctla_plus[DRAM_FREQ_NR] = {0x45990b11, 0x36bb0f17}; +static u32 umc_cmdctlb_plus[DRAM_FREQ_NR] = {0x16958924, 0x18c6aa24}; +static u32 umc_spcctla[DRAM_FREQ_NR][DRAM_SZ_NR] = { + {0x00240512, 0x00350512}, + {0x002b0617, 0x003f0617}, +}; +static u32 umc_spcctlb[DRAM_FREQ_NR] = {0x00ff0006, 0x00ff0008}; +static u32 umc_rdatactl[DRAM_FREQ_NR] = {0x000a00ac, 0x000c00ae}; + +static int umc_get_rank(int ch) +{ + return ch; /* ch0: rank0, ch1: rank1 for this SoC */ +} + +static void umc_start_ssif(void __iomem *ssif_base) +{ + writel(0x00000000, ssif_base + 0x0000b004); + writel(0xffffffff, ssif_base + 0x0000c004); + writel(0x000fffcf, ssif_base + 0x0000c008); + writel(0x00000001, ssif_base + 0x0000b000); + writel(0x00000001, ssif_base + 0x0000c000); + writel(0x03010101, ssif_base + UMC_MDMCHSEL); + writel(0x03010100, ssif_base + UMC_DMDCHSEL); + + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_FETCH); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMQUE0); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMWC0); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMRC0); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMQUE1); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMWC1); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMRC1); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_WC); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_RC); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_DST); + + writel(0x00000001, ssif_base + UMC_CPURST); + writel(0x00000001, ssif_base + UMC_IDSRST); + writel(0x00000001, ssif_base + UMC_IXMRST); + writel(0x00000001, ssif_base + UMC_MDMRST); + writel(0x00000001, ssif_base + UMC_MDDRST); + writel(0x00000001, ssif_base + UMC_SIORST); + writel(0x00000001, ssif_base + UMC_VIORST); + writel(0x00000001, ssif_base + UMC_FRCRST); + writel(0x00000001, ssif_base + UMC_RGLRST); + writel(0x00000001, ssif_base + UMC_AIORST); + writel(0x00000001, ssif_base + UMC_DMDRST); +} + +static int umc_dramcont_init(void __iomem *dc_base, void __iomem *ca_base, + int freq, unsigned long size, bool ddr3plus) +{ + enum dram_freq freq_e; + enum dram_size size_e; + + if (!ddr3plus) { + pr_err("DDR3 standard is not supported\n"); + return -EINVAL; + } + + switch (freq) { + case 1333: + freq_e = DRAM_FREQ_1333M; + break; + case 1600: + freq_e = DRAM_FREQ_1600M; + break; + default: + pr_err("unsupported DRAM frequency %d MHz\n", freq); + return -EINVAL; + } + + switch (size) { + case 0: + return 0; + case SZ_128M: + size_e = DRAM_SZ_128M; + break; + case SZ_256M: + size_e = DRAM_SZ_256M; + break; + default: + pr_err("unsupported DRAM size 0x%08lx\n", size); + return -EINVAL; + } + + writel(umc_cmdctla_plus[freq_e], dc_base + UMC_CMDCTLA); + writel(umc_cmdctlb_plus[freq_e], dc_base + UMC_CMDCTLB); + writel(umc_spcctla[freq_e][size_e], dc_base + UMC_SPCCTLA); + writel(umc_spcctlb[freq_e], dc_base + UMC_SPCCTLB); + writel(umc_rdatactl[freq_e], dc_base + UMC_RDATACTL_D0); + writel(0x04060806, dc_base + UMC_WDATACTL_D0); + writel(0x04a02000, dc_base + UMC_DATASET); + writel(0x00000000, ca_base + 0x2300); + writel(0x00400020, dc_base + UMC_DCCGCTL); + writel(0x00000003, dc_base + 0x7000); + writel(0x0000000f, dc_base + 0x8000); + writel(0x000000c3, dc_base + 0x8004); + writel(0x00000071, dc_base + 0x8008); + writel(0x0000003b, dc_base + UMC_DICGCTLA); + writel(0x020a0808, dc_base + UMC_DICGCTLB); + writel(0x00000004, dc_base + UMC_FLOWCTLG); + writel(0x80000201, ca_base + 0xc20); + writel(0x0801e01e, dc_base + UMC_FLOWCTLA); + writel(0x00200000, dc_base + UMC_FLOWCTLB); + writel(0x00004444, dc_base + UMC_FLOWCTLC); + writel(0x200a0a00, dc_base + UMC_SPCSETB); + writel(0x00000000, dc_base + UMC_SPCSETD); + writel(0x00000520, dc_base + UMC_DFICUPDCTLA); + + return 0; +} + +static int umc_ch_init(void __iomem *dc_base, void __iomem *ca_base, + int freq, unsigned long size, bool ddr3plus, int ch) +{ + void __iomem *phy_base = dc_base + 0x00001000; + int ret; + + writel(UMC_INITSET_INIT1EN, dc_base + UMC_INITSET); + while (readl(dc_base + UMC_INITSTAT) & UMC_INITSTAT_INIT1ST) + cpu_relax(); + + writel(0x00000101, dc_base + UMC_DIOCTLA); + + ret = uniphier_ld4_ddrphy_init(phy_base, freq, ddr3plus); + if (ret) + return ret; + + ddrphy_prepare_training(phy_base, umc_get_rank(ch)); + ret = ddrphy_training(phy_base); + if (ret) + return ret; + + return umc_dramcont_init(dc_base, ca_base, freq, size, ddr3plus); +} + +int uniphier_ld4_umc_init(const struct uniphier_board_data *bd) +{ + void __iomem *umc_base = (void __iomem *)0x5b800000; + void __iomem *ca_base = umc_base + 0x00001000; + void __iomem *dc_base = umc_base + 0x00400000; + void __iomem *ssif_base = umc_base; + int ch, ret; + + for (ch = 0; ch < DRAM_CH_NR; ch++) { + ret = umc_ch_init(dc_base, ca_base, bd->dram_freq, + bd->dram_ch[ch].size, + !!(bd->flags & UNIPHIER_BD_DDR3PLUS), ch); + if (ret) { + pr_err("failed to initialize UMC ch%d\n", ch); + return ret; + } + + ca_base += 0x00001000; + dc_base += 0x00200000; + } + + umc_start_ssif(ssif_base); + + return 0; +} diff --git a/roms/u-boot/arch/arm/mach-uniphier/dram/umc-pro4.c b/roms/u-boot/arch/arm/mach-uniphier/dram/umc-pro4.c new file mode 100644 index 000000000..cde39b499 --- /dev/null +++ b/roms/u-boot/arch/arm/mach-uniphier/dram/umc-pro4.c @@ -0,0 +1,186 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2011-2014 Panasonic Corporation + * Copyright (C) 2015-2016 Socionext Inc. + * Author: Masahiro Yamada <yamada.masahiro@socionext.com> + */ + +#include <linux/errno.h> +#include <linux/io.h> +#include <linux/sizes.h> +#include <asm/processor.h> + +#include "../init.h" +#include "ddrphy-init.h" +#include "umc-regs.h" + +#define DRAM_CH_NR 2 + +enum dram_size { + DRAM_SZ_128M, + DRAM_SZ_256M, + DRAM_SZ_512M, + DRAM_SZ_NR, +}; + +static u32 umc_spcctla[DRAM_SZ_NR] = {0x002b0617, 0x003f0617, 0x00770617}; + +static void umc_start_ssif(void __iomem *ssif_base) +{ + writel(0x00000000, ssif_base + 0x0000b004); + writel(0xffffffff, ssif_base + 0x0000c004); + writel(0x000fffcf, ssif_base + 0x0000c008); + writel(0x00000001, ssif_base + 0x0000b000); + writel(0x00000001, ssif_base + 0x0000c000); + + writel(0x03010100, ssif_base + UMC_HDMCHSEL); + writel(0x03010101, ssif_base + UMC_MDMCHSEL); + writel(0x03010100, ssif_base + UMC_DVCCHSEL); + writel(0x03010100, ssif_base + UMC_DMDCHSEL); + + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_FETCH); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMQUE0); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMWC0); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMRC0); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMQUE1); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMWC1); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMRC1); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_WC); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_RC); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_DST); + writel(0x00000000, ssif_base + 0x0000c044); /* DCGIV_SSIF_REG */ + + writel(0x00000001, ssif_base + UMC_CPURST); + writel(0x00000001, ssif_base + UMC_IDSRST); + writel(0x00000001, ssif_base + UMC_IXMRST); + writel(0x00000001, ssif_base + UMC_HDMRST); + writel(0x00000001, ssif_base + UMC_MDMRST); + writel(0x00000001, ssif_base + UMC_HDDRST); + writel(0x00000001, ssif_base + UMC_MDDRST); + writel(0x00000001, ssif_base + UMC_SIORST); + writel(0x00000001, ssif_base + UMC_GIORST); + writel(0x00000001, ssif_base + UMC_HD2RST); + writel(0x00000001, ssif_base + UMC_VIORST); + writel(0x00000001, ssif_base + UMC_DVCRST); + writel(0x00000001, ssif_base + UMC_RGLRST); + writel(0x00000001, ssif_base + UMC_VPERST); + writel(0x00000001, ssif_base + UMC_AIORST); + writel(0x00000001, ssif_base + UMC_DMDRST); +} + +static int umc_dramcont_init(void __iomem *dc_base, void __iomem *ca_base, + int freq, unsigned long size, bool ddr3plus) +{ + enum dram_size size_e; + + if (freq != 1600) { + pr_err("Unsupported DDR frequency %d MHz\n", freq); + return -EINVAL; + } + + if (ddr3plus) { + pr_err("DDR3+ is not supported\n"); + return -EINVAL; + } + + switch (size) { + case SZ_128M: + size_e = DRAM_SZ_128M; + break; + case SZ_256M: + size_e = DRAM_SZ_256M; + break; + case SZ_512M: + size_e = DRAM_SZ_512M; + break; + default: + pr_err("unsupported DRAM size 0x%08lx (per 16bit)\n", size); + return -EINVAL; + } + + writel(0x66bb0f17, dc_base + UMC_CMDCTLA); + writel(0x18c6aa44, dc_base + UMC_CMDCTLB); + writel(umc_spcctla[size_e], dc_base + UMC_SPCCTLA); + writel(0x00ff0008, dc_base + UMC_SPCCTLB); + writel(0x000c00ae, dc_base + UMC_RDATACTL_D0); + writel(0x000c00ae, dc_base + UMC_RDATACTL_D1); + writel(0x04060802, dc_base + UMC_WDATACTL_D0); + writel(0x04060802, dc_base + UMC_WDATACTL_D1); + writel(0x04a02000, dc_base + UMC_DATASET); + writel(0x00000000, ca_base + 0x2300); + writel(0x00400020, dc_base + UMC_DCCGCTL); + writel(0x0000000f, dc_base + 0x7000); + writel(0x0000000f, dc_base + 0x8000); + writel(0x000000c3, dc_base + 0x8004); + writel(0x00000071, dc_base + 0x8008); + writel(0x00000004, dc_base + UMC_FLOWCTLG); + writel(0x00000000, dc_base + 0x0060); + writel(0x80000201, ca_base + 0xc20); + writel(0x0801e01e, dc_base + UMC_FLOWCTLA); + writel(0x00200000, dc_base + UMC_FLOWCTLB); + writel(0x00004444, dc_base + UMC_FLOWCTLC); + writel(0x200a0a00, dc_base + UMC_SPCSETB); + writel(0x00010000, dc_base + UMC_SPCSETD); + writel(0x80000020, dc_base + UMC_DFICUPDCTLA); + + return 0; +} + +static int umc_ch_init(void __iomem *dc_base, void __iomem *ca_base, + int freq, unsigned long size, unsigned int width, + bool ddr3plus) +{ + void __iomem *phy_base = dc_base + 0x00001000; + int nr_phy = width / 16; + int phy, ret; + + writel(UMC_INITSET_INIT1EN, dc_base + UMC_INITSET); + while (readl(dc_base + UMC_INITSTAT) & UMC_INITSTAT_INIT1ST) + cpu_relax(); + + for (phy = 0; phy < nr_phy; phy++) { + writel(0x00000100 | ((1 << (phy + 1)) - 1), + dc_base + UMC_DIOCTLA); + + ret = uniphier_ld4_ddrphy_init(phy_base, freq, ddr3plus); + if (ret) + return ret; + + ddrphy_prepare_training(phy_base, phy); + ret = ddrphy_training(phy_base); + if (ret) + return ret; + + phy_base += 0x00001000; + } + + return umc_dramcont_init(dc_base, ca_base, freq, size / (width / 16), + ddr3plus); +} + +int uniphier_pro4_umc_init(const struct uniphier_board_data *bd) +{ + void __iomem *umc_base = (void __iomem *)0x5b800000; + void __iomem *ca_base = umc_base + 0x00001000; + void __iomem *dc_base = umc_base + 0x00400000; + void __iomem *ssif_base = umc_base; + int ch, ret; + + for (ch = 0; ch < DRAM_CH_NR; ch++) { + ret = umc_ch_init(dc_base, ca_base, bd->dram_freq, + bd->dram_ch[ch].size, + bd->dram_ch[ch].width, + !!(bd->flags & UNIPHIER_BD_DDR3PLUS)); + if (ret) { + pr_err("failed to initialize UMC ch%d\n", ch); + return ret; + } + + ca_base += 0x00001000; + dc_base += 0x00200000; + } + + umc_start_ssif(ssif_base); + + return 0; +} diff --git a/roms/u-boot/arch/arm/mach-uniphier/dram/umc-pro5.c b/roms/u-boot/arch/arm/mach-uniphier/dram/umc-pro5.c new file mode 100644 index 000000000..a002b309e --- /dev/null +++ b/roms/u-boot/arch/arm/mach-uniphier/dram/umc-pro5.c @@ -0,0 +1,11 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2016 Socionext Inc. + */ + +#include "../init.h" + +int uniphier_pro5_umc_init(const struct uniphier_board_data *bd) +{ + return 0; +} diff --git a/roms/u-boot/arch/arm/mach-uniphier/dram/umc-pxs2.c b/roms/u-boot/arch/arm/mach-uniphier/dram/umc-pxs2.c new file mode 100644 index 000000000..73574201e --- /dev/null +++ b/roms/u-boot/arch/arm/mach-uniphier/dram/umc-pxs2.c @@ -0,0 +1,643 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2015-2017 Socionext Inc. + * Author: Masahiro Yamada <yamada.masahiro@socionext.com> + * + * based on commit 21b6e480f92ccc38fe0502e3116411d6509d3bf2 of Diag by: + * Copyright (C) 2015 Socionext Inc. + */ + +#include <linux/bitops.h> +#include <linux/delay.h> +#include <linux/errno.h> +#include <linux/io.h> +#include <linux/printk.h> +#include <linux/sizes.h> +#include <asm/processor.h> +#include <time.h> + +#include "../init.h" +#include "../soc-info.h" +#include "ddrmphy-regs.h" +#include "umc-regs.h" + +#define DRAM_CH_NR 3 + +enum dram_freq { + DRAM_FREQ_1866M, + DRAM_FREQ_2133M, + DRAM_FREQ_NR, +}; + +enum dram_size { + DRAM_SZ_256M, + DRAM_SZ_512M, + DRAM_SZ_NR, +}; + +/* PHY */ +static u32 ddrphy_pgcr2[DRAM_FREQ_NR] = {0x00FC7E5D, 0x00FC90AB}; +static u32 ddrphy_ptr0[DRAM_FREQ_NR] = {0x0EA09205, 0x10C0A6C6}; +static u32 ddrphy_ptr1[DRAM_FREQ_NR] = {0x0DAC041B, 0x0FA104B1}; +static u32 ddrphy_ptr3[DRAM_FREQ_NR] = {0x15171e45, 0x18182357}; +static u32 ddrphy_ptr4[DRAM_FREQ_NR] = {0x0e9ad8e9, 0x10b34157}; +static u32 ddrphy_dtpr0[DRAM_FREQ_NR] = {0x35a00d88, 0x39e40e88}; +static u32 ddrphy_dtpr1[DRAM_FREQ_NR] = {0x2288cc2c, 0x228a04d0}; +static u32 ddrphy_dtpr2[DRAM_FREQ_NR] = {0x50005e00, 0x50006a00}; +static u32 ddrphy_dtpr3[DRAM_FREQ_NR] = {0x0010cb49, 0x0010ec89}; +static u32 ddrphy_mr0[DRAM_FREQ_NR] = {0x00000115, 0x00000125}; +static u32 ddrphy_mr2[DRAM_FREQ_NR] = {0x000002a0, 0x000002a8}; + +/* dependent on package and board design */ +static u32 ddrphy_acbdlr0[DRAM_CH_NR] = {0x0000000c, 0x0000000c, 0x00000009}; + +/* DDR multiPHY */ +static inline int ddrphy_get_rank(int dx) +{ + return dx / 2; +} + +static void ddrphy_fifo_reset(void __iomem *phy_base) +{ + u32 tmp; + + tmp = readl(phy_base + MPHY_PGCR0); + tmp &= ~MPHY_PGCR0_PHYFRST; + writel(tmp, phy_base + MPHY_PGCR0); + + udelay(1); + + tmp |= MPHY_PGCR0_PHYFRST; + writel(tmp, phy_base + MPHY_PGCR0); + + udelay(1); +} + +static void ddrphy_vt_ctrl(void __iomem *phy_base, int enable) +{ + u32 tmp; + + tmp = readl(phy_base + MPHY_PGCR1); + + if (enable) + tmp &= ~MPHY_PGCR1_INHVT; + else + tmp |= MPHY_PGCR1_INHVT; + + writel(tmp, phy_base + MPHY_PGCR1); + + if (!enable) { + while (!(readl(phy_base + MPHY_PGSR1) & MPHY_PGSR1_VTSTOP)) + cpu_relax(); + } +} + +static void ddrphy_dqs_delay_fixup(void __iomem *phy_base, int nr_dx, int step) +{ + int dx; + u32 lcdlr1, rdqsd; + void __iomem *dx_base = phy_base + MPHY_DX_BASE; + + ddrphy_vt_ctrl(phy_base, 0); + + for (dx = 0; dx < nr_dx; dx++) { + lcdlr1 = readl(dx_base + MPHY_DX_LCDLR1); + rdqsd = (lcdlr1 >> 8) & 0xff; + rdqsd = clamp(rdqsd + step, 0U, 0xffU); + lcdlr1 = (lcdlr1 & ~(0xff << 8)) | (rdqsd << 8); + writel(lcdlr1, dx_base + MPHY_DX_LCDLR1); + readl(dx_base + MPHY_DX_LCDLR1); /* relax */ + dx_base += MPHY_DX_STRIDE; + } + + ddrphy_vt_ctrl(phy_base, 1); +} + +static int ddrphy_get_system_latency(void __iomem *phy_base, int width) +{ + void __iomem *dx_base = phy_base + MPHY_DX_BASE; + const int nr_dx = width / 8; + int dx, rank; + u32 gtr; + int dgsl, dgsl_min = INT_MAX, dgsl_max = 0; + + for (dx = 0; dx < nr_dx; dx++) { + gtr = readl(dx_base + MPHY_DX_GTR); + for (rank = 0; rank < 4; rank++) { + dgsl = gtr & 0x7; + /* if dgsl is zero, this rank was not trained. skip. */ + if (dgsl) { + dgsl_min = min(dgsl_min, dgsl); + dgsl_max = max(dgsl_max, dgsl); + } + gtr >>= 3; + } + dx_base += MPHY_DX_STRIDE; + } + + if (dgsl_min != dgsl_max) + pr_warn("DQS Gateing System Latencies are not all leveled.\n"); + + return dgsl_max; +} + +static void ddrphy_init(void __iomem *phy_base, enum dram_freq freq, int width, + int ch) +{ + u32 tmp; + void __iomem *zq_base, *dx_base; + int zq, dx; + int nr_dx; + + nr_dx = width / 8; + + writel(MPHY_PIR_ZCALBYP, phy_base + MPHY_PIR); + /* + * Disable RGLVT bit (Read DQS Gating LCDL Delay VT Compensation) + * to avoid read error issue. + */ + writel(0x07d81e37, phy_base + MPHY_PGCR0); + writel(0x0200c4e0, phy_base + MPHY_PGCR1); + + tmp = ddrphy_pgcr2[freq]; + if (width >= 32) + tmp |= MPHY_PGCR2_DUALCHN | MPHY_PGCR2_ACPDDC; + writel(tmp, phy_base + MPHY_PGCR2); + + writel(ddrphy_ptr0[freq], phy_base + MPHY_PTR0); + writel(ddrphy_ptr1[freq], phy_base + MPHY_PTR1); + writel(0x00083def, phy_base + MPHY_PTR2); + writel(ddrphy_ptr3[freq], phy_base + MPHY_PTR3); + writel(ddrphy_ptr4[freq], phy_base + MPHY_PTR4); + + writel(ddrphy_acbdlr0[ch], phy_base + MPHY_ACBDLR0); + + writel(0x55555555, phy_base + MPHY_ACIOCR1); + writel(0x00000000, phy_base + MPHY_ACIOCR2); + writel(0x55555555, phy_base + MPHY_ACIOCR3); + writel(0x00000000, phy_base + MPHY_ACIOCR4); + writel(0x00000055, phy_base + MPHY_ACIOCR5); + writel(0x00181aa4, phy_base + MPHY_DXCCR); + + writel(0x0024641e, phy_base + MPHY_DSGCR); + writel(0x0000040b, phy_base + MPHY_DCR); + writel(ddrphy_dtpr0[freq], phy_base + MPHY_DTPR0); + writel(ddrphy_dtpr1[freq], phy_base + MPHY_DTPR1); + writel(ddrphy_dtpr2[freq], phy_base + MPHY_DTPR2); + writel(ddrphy_dtpr3[freq], phy_base + MPHY_DTPR3); + writel(ddrphy_mr0[freq], phy_base + MPHY_MR0); + writel(0x00000006, phy_base + MPHY_MR1); + writel(ddrphy_mr2[freq], phy_base + MPHY_MR2); + writel(0x00000000, phy_base + MPHY_MR3); + + tmp = 0; + for (dx = 0; dx < nr_dx; dx++) + tmp |= BIT(MPHY_DTCR_RANKEN_SHIFT + ddrphy_get_rank(dx)); + writel(0x90003087 | tmp, phy_base + MPHY_DTCR); + + writel(0x00000000, phy_base + MPHY_DTAR0); + writel(0x00000008, phy_base + MPHY_DTAR1); + writel(0x00000010, phy_base + MPHY_DTAR2); + writel(0x00000018, phy_base + MPHY_DTAR3); + writel(0xdd22ee11, phy_base + MPHY_DTDR0); + writel(0x7788bb44, phy_base + MPHY_DTDR1); + + /* impedance control settings */ + writel(0x04048900, phy_base + MPHY_ZQCR); + + zq_base = phy_base + MPHY_ZQ_BASE; + for (zq = 0; zq < 4; zq++) { + /* + * board-dependent + * PXS2: CH0ZQ0=0x5B, CH1ZQ0=0x5B, CH2ZQ0=0x59, others=0x5D + */ + writel(0x0007BB5D, zq_base + MPHY_ZQ_PR); + zq_base += MPHY_ZQ_STRIDE; + } + + /* DATX8 settings */ + dx_base = phy_base + MPHY_DX_BASE; + for (dx = 0; dx < 4; dx++) { + tmp = readl(dx_base + MPHY_DX_GCR0); + tmp &= ~MPHY_DX_GCR0_WLRKEN_MASK; + tmp |= BIT(MPHY_DX_GCR0_WLRKEN_SHIFT + ddrphy_get_rank(dx)) & + MPHY_DX_GCR0_WLRKEN_MASK; + writel(tmp, dx_base + MPHY_DX_GCR0); + + writel(0x00000000, dx_base + MPHY_DX_GCR1); + writel(0x00000000, dx_base + MPHY_DX_GCR2); + writel(0x00000000, dx_base + MPHY_DX_GCR3); + dx_base += MPHY_DX_STRIDE; + } + + while (!(readl(phy_base + MPHY_PGSR0) & MPHY_PGSR0_IDONE)) + cpu_relax(); + + ddrphy_dqs_delay_fixup(phy_base, nr_dx, -4); +} + +struct ddrphy_init_sequence { + char *description; + u32 init_flag; + u32 done_flag; + u32 err_flag; +}; + +static const struct ddrphy_init_sequence impedance_calibration_sequence[] = { + { + "Impedance Calibration", + MPHY_PIR_ZCAL, + MPHY_PGSR0_ZCDONE, + MPHY_PGSR0_ZCERR, + }, + { /* sentinel */ } +}; + +static const struct ddrphy_init_sequence dram_init_sequence[] = { + { + "DRAM Initialization", + MPHY_PIR_DRAMRST | MPHY_PIR_DRAMINIT, + MPHY_PGSR0_DIDONE, + 0, + }, + { /* sentinel */ } +}; + +static const struct ddrphy_init_sequence training_sequence[] = { + { + "Write Leveling", + MPHY_PIR_WL, + MPHY_PGSR0_WLDONE, + MPHY_PGSR0_WLERR, + }, + { + "Read DQS Gate Training", + MPHY_PIR_QSGATE, + MPHY_PGSR0_QSGDONE, + MPHY_PGSR0_QSGERR, + }, + { + "Write Leveling Adjustment", + MPHY_PIR_WLADJ, + MPHY_PGSR0_WLADONE, + MPHY_PGSR0_WLAERR, + }, + { + "Read Bit Deskew", + MPHY_PIR_RDDSKW, + MPHY_PGSR0_RDDONE, + MPHY_PGSR0_RDERR, + }, + { + "Write Bit Deskew", + MPHY_PIR_WRDSKW, + MPHY_PGSR0_WDDONE, + MPHY_PGSR0_WDERR, + }, + { + "Read Eye Training", + MPHY_PIR_RDEYE, + MPHY_PGSR0_REDONE, + MPHY_PGSR0_REERR, + }, + { + "Write Eye Training", + MPHY_PIR_WREYE, + MPHY_PGSR0_WEDONE, + MPHY_PGSR0_WEERR, + }, + { /* sentinel */ } +}; + +static int __ddrphy_training(void __iomem *phy_base, + const struct ddrphy_init_sequence *seq) +{ + const struct ddrphy_init_sequence *s; + u32 pgsr0; + u32 init_flag = MPHY_PIR_INIT; + u32 done_flag = MPHY_PGSR0_IDONE; + int timeout = 50000; /* 50 msec is long enough */ + unsigned long start = 0; + +#ifdef DEBUG + start = get_timer(0); +#endif + + for (s = seq; s->description; s++) { + init_flag |= s->init_flag; + done_flag |= s->done_flag; + } + + writel(init_flag, phy_base + MPHY_PIR); + + do { + if (--timeout < 0) { + pr_err("%s: error: timeout during DDR training\n", + __func__); + return -ETIMEDOUT; + } + udelay(1); + pgsr0 = readl(phy_base + MPHY_PGSR0); + } while ((pgsr0 & done_flag) != done_flag); + + for (s = seq; s->description; s++) { + if (pgsr0 & s->err_flag) { + pr_err("%s: error: %s failed\n", __func__, + s->description); + return -EIO; + } + } + + pr_debug("DDRPHY training: elapsed time %ld msec\n", get_timer(start)); + + return 0; +} + +static int ddrphy_impedance_calibration(void __iomem *phy_base) +{ + int ret; + u32 tmp; + + ret = __ddrphy_training(phy_base, impedance_calibration_sequence); + if (ret) + return ret; + + /* + * Because of a hardware bug, IDONE flag is set when the first ZQ block + * is calibrated. The flag does not guarantee the completion for all + * the ZQ blocks. Wait a little more just in case. + */ + udelay(1); + + /* reflect ZQ settings and enable average algorithm*/ + tmp = readl(phy_base + MPHY_ZQCR); + tmp |= MPHY_ZQCR_FORCE_ZCAL_VT_UPDATE; + writel(tmp, phy_base + MPHY_ZQCR); + tmp &= ~MPHY_ZQCR_FORCE_ZCAL_VT_UPDATE; + tmp |= MPHY_ZQCR_AVGEN; + writel(tmp, phy_base + MPHY_ZQCR); + + return 0; +} + +static int ddrphy_dram_init(void __iomem *phy_base) +{ + return __ddrphy_training(phy_base, dram_init_sequence); +} + +static int ddrphy_training(void __iomem *phy_base) +{ + return __ddrphy_training(phy_base, training_sequence); +} + +/* UMC */ +static u32 umc_cmdctla[DRAM_FREQ_NR] = {0x66DD131D, 0x77EE1722}; +/* + * The ch2 is a different generation UMC core. + * The register spec is different, unfortunately. + */ +static u32 umc_cmdctlb_ch01[DRAM_FREQ_NR] = {0x13E87C44, 0x18F88C44}; +static u32 umc_cmdctlb_ch2[DRAM_FREQ_NR] = {0x19E8DC44, 0x1EF8EC44}; +static u32 umc_spcctla[DRAM_FREQ_NR][DRAM_SZ_NR] = { + {0x004A071D, 0x0078071D}, + {0x0055081E, 0x0089081E}, +}; + +static u32 umc_spcctlb[] = {0x00FF000A, 0x00FF000B}; +/* The ch2 is different for some reason only hardware guys know... */ +static u32 umc_flowctla_ch01[] = {0x0800001E, 0x08000022}; +static u32 umc_flowctla_ch2[] = {0x0800001E, 0x0800001E}; + +static void umc_set_system_latency(void __iomem *dc_base, int phy_latency) +{ + u32 val; + int latency; + + val = readl(dc_base + UMC_RDATACTL_D0); + latency = (val & UMC_RDATACTL_RADLTY_MASK) >> UMC_RDATACTL_RADLTY_SHIFT; + latency += (val & UMC_RDATACTL_RAD2LTY_MASK) >> + UMC_RDATACTL_RAD2LTY_SHIFT; + /* + * UMC works at the half clock rate of the PHY. + * The LSB of latency is ignored + */ + latency += phy_latency & ~1; + + val &= ~(UMC_RDATACTL_RADLTY_MASK | UMC_RDATACTL_RAD2LTY_MASK); + if (latency > 0xf) { + val |= 0xf << UMC_RDATACTL_RADLTY_SHIFT; + val |= (latency - 0xf) << UMC_RDATACTL_RAD2LTY_SHIFT; + } else { + val |= latency << UMC_RDATACTL_RADLTY_SHIFT; + } + + writel(val, dc_base + UMC_RDATACTL_D0); + writel(val, dc_base + UMC_RDATACTL_D1); + + readl(dc_base + UMC_RDATACTL_D1); /* relax */ +} + +/* enable/disable auto refresh */ +static void umc_refresh_ctrl(void __iomem *dc_base, int enable) +{ + u32 tmp; + + tmp = readl(dc_base + UMC_SPCSETB); + tmp &= ~UMC_SPCSETB_AREFMD_MASK; + + if (enable) + tmp |= UMC_SPCSETB_AREFMD_ARB; + else + tmp |= UMC_SPCSETB_AREFMD_REG; + + writel(tmp, dc_base + UMC_SPCSETB); + udelay(1); +} + +static void umc_ud_init(void __iomem *umc_base, int ch) +{ + writel(0x00000003, umc_base + UMC_BITPERPIXELMODE_D0); + + if (ch == 2) + writel(0x00000033, umc_base + UMC_PAIR1DOFF_D0); +} + +static int umc_dc_init(void __iomem *dc_base, enum dram_freq freq, + unsigned long size, int width, int ch) +{ + enum dram_size size_e; + int latency; + u32 val; + + switch (size) { + case 0: + return 0; + case SZ_256M: + size_e = DRAM_SZ_256M; + break; + case SZ_512M: + size_e = DRAM_SZ_512M; + break; + default: + pr_err("unsupported DRAM size 0x%08lx (per 16bit) for ch%d\n", + size, ch); + return -EINVAL; + } + + writel(umc_cmdctla[freq], dc_base + UMC_CMDCTLA); + + writel(ch == 2 ? umc_cmdctlb_ch2[freq] : umc_cmdctlb_ch01[freq], + dc_base + UMC_CMDCTLB); + + writel(umc_spcctla[freq][size_e], dc_base + UMC_SPCCTLA); + writel(umc_spcctlb[freq], dc_base + UMC_SPCCTLB); + + val = 0x000e000e; + latency = 12; + /* ES2 inserted one more FF to the logic. */ + if (uniphier_get_soc_model() >= 2) + latency += 2; + + if (latency > 0xf) { + val |= 0xf << UMC_RDATACTL_RADLTY_SHIFT; + val |= (latency - 0xf) << UMC_RDATACTL_RAD2LTY_SHIFT; + } else { + val |= latency << UMC_RDATACTL_RADLTY_SHIFT; + } + + writel(val, dc_base + UMC_RDATACTL_D0); + if (width >= 32) + writel(val, dc_base + UMC_RDATACTL_D1); + + writel(0x04060A02, dc_base + UMC_WDATACTL_D0); + if (width >= 32) + writel(0x04060A02, dc_base + UMC_WDATACTL_D1); + writel(0x04000000, dc_base + UMC_DATASET); + writel(0x00400020, dc_base + UMC_DCCGCTL); + writel(0x00000084, dc_base + UMC_FLOWCTLG); + writel(0x00000000, dc_base + UMC_ACSSETA); + + writel(ch == 2 ? umc_flowctla_ch2[freq] : umc_flowctla_ch01[freq], + dc_base + UMC_FLOWCTLA); + + writel(0x00004400, dc_base + UMC_FLOWCTLC); + writel(0x200A0A00, dc_base + UMC_SPCSETB); + writel(0x00000520, dc_base + UMC_DFICUPDCTLA); + writel(0x0000000D, dc_base + UMC_RESPCTL); + + if (ch != 2) { + writel(0x00202000, dc_base + UMC_FLOWCTLB); + writel(0xFDBFFFFF, dc_base + UMC_FLOWCTLOB0); + writel(0xFFFFFFFF, dc_base + UMC_FLOWCTLOB1); + writel(0x00080700, dc_base + UMC_BSICMAPSET); + } else { + writel(0x00200000, dc_base + UMC_FLOWCTLB); + writel(0x00000000, dc_base + UMC_BSICMAPSET); + } + + writel(0x00000000, dc_base + UMC_ERRMASKA); + writel(0x00000000, dc_base + UMC_ERRMASKB); + + return 0; +} + +static int umc_ch_init(void __iomem *umc_ch_base, enum dram_freq freq, + unsigned long size, unsigned int width, int ch) +{ + void __iomem *dc_base = umc_ch_base + 0x00011000; + void __iomem *phy_base = umc_ch_base + 0x00030000; + int ret; + + writel(0x00000002, dc_base + UMC_INITSET); + while (readl(dc_base + UMC_INITSTAT) & BIT(2)) + cpu_relax(); + + /* deassert PHY reset signals */ + writel(UMC_DIOCTLA_CTL_NRST | UMC_DIOCTLA_CFG_NRST, + dc_base + UMC_DIOCTLA); + + ddrphy_init(phy_base, freq, width, ch); + + ret = ddrphy_impedance_calibration(phy_base); + if (ret) + return ret; + + ddrphy_dram_init(phy_base); + if (ret) + return ret; + + ret = umc_dc_init(dc_base, freq, size, width, ch); + if (ret) + return ret; + + umc_ud_init(umc_ch_base, ch); + + ret = ddrphy_training(phy_base); + if (ret) + return ret; + + udelay(1); + + /* match the system latency between UMC and PHY */ + umc_set_system_latency(dc_base, + ddrphy_get_system_latency(phy_base, width)); + + udelay(1); + + /* stop auto refresh before clearing FIFO in PHY */ + umc_refresh_ctrl(dc_base, 0); + ddrphy_fifo_reset(phy_base); + umc_refresh_ctrl(dc_base, 1); + + udelay(10); + + return 0; +} + +static void um_init(void __iomem *um_base) +{ + writel(0x000000ff, um_base + UMC_MBUS0); + writel(0x000000ff, um_base + UMC_MBUS1); + writel(0x000000ff, um_base + UMC_MBUS2); + writel(0x000000ff, um_base + UMC_MBUS3); +} + +int uniphier_pxs2_umc_init(const struct uniphier_board_data *bd) +{ + void __iomem *um_base = (void __iomem *)0x5b600000; + void __iomem *umc_ch_base = (void __iomem *)0x5b800000; + enum dram_freq freq; + int ch, ret; + + switch (bd->dram_freq) { + case 1866: + freq = DRAM_FREQ_1866M; + break; + case 2133: + freq = DRAM_FREQ_2133M; + break; + default: + pr_err("unsupported DRAM frequency %d MHz\n", bd->dram_freq); + return -EINVAL; + } + + for (ch = 0; ch < DRAM_CH_NR; ch++) { + unsigned long size = bd->dram_ch[ch].size; + unsigned int width = bd->dram_ch[ch].width; + + if (size) { + ret = umc_ch_init(umc_ch_base, freq, + size / (width / 16), width, ch); + if (ret) { + pr_err("failed to initialize UMC ch%d\n", ch); + return ret; + } + } + + umc_ch_base += 0x00200000; + } + + um_init(um_base); + + return 0; +} diff --git a/roms/u-boot/arch/arm/mach-uniphier/dram/umc-regs.h b/roms/u-boot/arch/arm/mach-uniphier/dram/umc-regs.h new file mode 100644 index 000000000..02efab384 --- /dev/null +++ b/roms/u-boot/arch/arm/mach-uniphier/dram/umc-regs.h @@ -0,0 +1,106 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * UniPhier UMC (Universal Memory Controller) registers + * + * Copyright (C) 2011-2014 Panasonic Corporation + */ + +#ifndef ARCH_UMC_REGS_H +#define ARCH_UMC_REGS_H + +#include <linux/bitops.h> + +#define UMC_CPURST 0x00000700 +#define UMC_IDSRST 0x0000070C +#define UMC_IXMRST 0x00000714 +#define UMC_HDMRST 0x00000718 +#define UMC_MDMRST 0x0000071C +#define UMC_HDDRST 0x00000720 +#define UMC_MDDRST 0x00000724 +#define UMC_SIORST 0x00000728 +#define UMC_GIORST 0x0000072C +#define UMC_HD2RST 0x00000734 +#define UMC_VIORST 0x0000073C +#define UMC_FRCRST 0x00000748 /* LD4/sLD8 */ +#define UMC_DVCRST 0x00000748 /* Pro4 */ +#define UMC_RGLRST 0x00000750 +#define UMC_VPERST 0x00000758 +#define UMC_AIORST 0x00000764 +#define UMC_DMDRST 0x00000770 + +#define UMC_HDMCHSEL 0x00000898 +#define UMC_MDMCHSEL 0x0000089C +#define UMC_DVCCHSEL 0x000008C8 +#define UMC_DMDCHSEL 0x000008F0 + +#define UMC_CLKEN_SSIF_FETCH 0x0000C060 +#define UMC_CLKEN_SSIF_COMQUE0 0x0000C064 +#define UMC_CLKEN_SSIF_COMWC0 0x0000C068 +#define UMC_CLKEN_SSIF_COMRC0 0x0000C06C +#define UMC_CLKEN_SSIF_COMQUE1 0x0000C070 +#define UMC_CLKEN_SSIF_COMWC1 0x0000C074 +#define UMC_CLKEN_SSIF_COMRC1 0x0000C078 +#define UMC_CLKEN_SSIF_WC 0x0000C07C +#define UMC_CLKEN_SSIF_RC 0x0000C080 +#define UMC_CLKEN_SSIF_DST 0x0000C084 + +#define UMC_CMDCTLA 0x00000000 +#define UMC_CMDCTLB 0x00000004 +#define UMC_INITSET 0x00000014 +#define UMC_INITSET_INIT1EN BIT(1) /* init without power-on wait */ +#define UMC_INITSET_INIT0EN BIT(0) /* init with power-on wait */ +#define UMC_INITSTAT 0x00000018 +#define UMC_INITSTAT_INIT1ST BIT(1) /* init without power-on wait */ +#define UMC_INITSTAT_INIT0ST BIT(0) /* init with power-on wait */ +#define UMC_SPCCTLA 0x00000030 +#define UMC_SPCCTLB 0x00000034 +#define UMC_SPCSETA 0x00000038 +#define UMC_SPCSETB 0x0000003C +#define UMC_SPCSETB_AREFMD_MASK (0x3) /* Auto Refresh Mode */ +#define UMC_SPCSETB_AREFMD_ARB (0x0) /* control by arbitor */ +#define UMC_SPCSETB_AREFMD_CONT (0x1) /* control by DRAMCONT */ +#define UMC_SPCSETB_AREFMD_REG (0x2) /* control by register */ +#define UMC_SPCSETC 0x00000040 +#define UMC_SPCSETD 0x00000044 +#define UMC_SPCSTATA 0x00000050 +#define UMC_SPCSTATB 0x00000054 +#define UMC_SPCSTATC 0x00000058 +#define UMC_ACSSETA 0x00000060 +#define UMC_FLOWCTLA 0x00000400 +#define UMC_FLOWCTLB 0x00000404 +#define UMC_FLOWCTLC 0x00000408 +#define UMC_FLOWCTLG 0x00000508 +#define UMC_FLOWCTLOB0 0x00000520 +#define UMC_FLOWCTLOB1 0x00000524 +#define UMC_RDATACTL_D0 0x00000600 +#define UMC_RDATACTL_RADLTY_SHIFT 4 +#define UMC_RDATACTL_RADLTY_MASK (0xf << (UMC_RDATACTL_RADLTY_SHIFT)) +#define UMC_RDATACTL_RAD2LTY_SHIFT 8 +#define UMC_RDATACTL_RAD2LTY_MASK (0xf << (UMC_RDATACTL_RAD2LTY_SHIFT)) +#define UMC_WDATACTL_D0 0x00000604 +#define UMC_RDATACTL_D1 0x00000608 +#define UMC_WDATACTL_D1 0x0000060C +#define UMC_DATASET 0x00000610 +#define UMC_RESPCTL 0x00000624 +#define UMC_DCCGCTL 0x00000720 +#define UMC_DICGCTLA 0x00000724 +#define UMC_DICGCTLB 0x00000728 +#define UMC_ERRMASKA 0x00000958 +#define UMC_ERRMASKB 0x0000095c +#define UMC_BSICMAPSET 0x00000988 +#define UMC_DIOCTLA 0x00000C00 +#define UMC_DIOCTLA_CTL_NRST BIT(8) /* ctl_rst_n */ +#define UMC_DIOCTLA_CFG_NRST BIT(0) /* cfg_rst_n */ +#define UMC_DFICUPDCTLA 0x00000C20 + +/* UM registers */ +#define UMC_MBUS0 0x00080004 +#define UMC_MBUS1 0x00081004 +#define UMC_MBUS2 0x00082004 +#define UMC_MBUS3 0x00083004 + +/* UD registers */ +#define UMC_BITPERPIXELMODE_D0 0x010 +#define UMC_PAIR1DOFF_D0 0x054 + +#endif diff --git a/roms/u-boot/arch/arm/mach-uniphier/dram/umc-sld8.c b/roms/u-boot/arch/arm/mach-uniphier/dram/umc-sld8.c new file mode 100644 index 000000000..a11586952 --- /dev/null +++ b/roms/u-boot/arch/arm/mach-uniphier/dram/umc-sld8.c @@ -0,0 +1,194 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2011-2014 Panasonic Corporation + * Copyright (C) 2015-2016 Socionext Inc. + * Author: Masahiro Yamada <yamada.masahiro@socionext.com> + */ + +#include <linux/errno.h> +#include <linux/io.h> +#include <linux/sizes.h> +#include <asm/processor.h> + +#include "../init.h" +#include "ddrphy-init.h" +#include "umc-regs.h" + +#define DRAM_CH_NR 2 + +enum dram_freq { + DRAM_FREQ_1333M, + DRAM_FREQ_1600M, + DRAM_FREQ_NR, +}; + +enum dram_size { + DRAM_SZ_128M, + DRAM_SZ_256M, + DRAM_SZ_512M, + DRAM_SZ_NR, +}; + +static u32 umc_cmdctla[DRAM_FREQ_NR] = {0x55990b11, 0x66bb0f17}; +static u32 umc_cmdctla_plus[DRAM_FREQ_NR] = {0x45990b11, 0x46bb0f17}; +static u32 umc_cmdctlb[DRAM_FREQ_NR] = {0x16958944, 0x18c6ab44}; +static u32 umc_cmdctlb_plus[DRAM_FREQ_NR] = {0x16958924, 0x18c6ab24}; +static u32 umc_spcctla[DRAM_FREQ_NR][DRAM_SZ_NR] = { + {0x00240512, 0x00350512, 0x00000000}, /* no data for 1333MHz,128MB */ + {0x002b0617, 0x003f0617, 0x00670617}, +}; +static u32 umc_spcctlb[DRAM_FREQ_NR] = {0x00ff0006, 0x00ff0008}; +static u32 umc_rdatactl[DRAM_FREQ_NR] = {0x000a00ac, 0x000c00ac}; + +static int umc_get_rank(int ch) +{ + return ch; /* ch0: rank0, ch1: rank1 for this SoC */ +} + +static void umc_start_ssif(void __iomem *ssif_base) +{ + writel(0x00000000, ssif_base + 0x0000b004); + writel(0xffffffff, ssif_base + 0x0000c004); + writel(0x000fffcf, ssif_base + 0x0000c008); + writel(0x00000001, ssif_base + 0x0000b000); + writel(0x00000001, ssif_base + 0x0000c000); + writel(0x03010101, ssif_base + UMC_MDMCHSEL); + writel(0x03010100, ssif_base + UMC_DMDCHSEL); + + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_FETCH); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMQUE0); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMWC0); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMRC0); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMQUE1); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMWC1); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_COMRC1); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_WC); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_RC); + writel(0x00000000, ssif_base + UMC_CLKEN_SSIF_DST); + + writel(0x00000001, ssif_base + UMC_CPURST); + writel(0x00000001, ssif_base + UMC_IDSRST); + writel(0x00000001, ssif_base + UMC_IXMRST); + writel(0x00000001, ssif_base + UMC_MDMRST); + writel(0x00000001, ssif_base + UMC_MDDRST); + writel(0x00000001, ssif_base + UMC_SIORST); + writel(0x00000001, ssif_base + UMC_VIORST); + writel(0x00000001, ssif_base + UMC_FRCRST); + writel(0x00000001, ssif_base + UMC_RGLRST); + writel(0x00000001, ssif_base + UMC_AIORST); + writel(0x00000001, ssif_base + UMC_DMDRST); +} + +static int umc_dramcont_init(void __iomem *dc_base, void __iomem *ca_base, + int freq, unsigned long size, bool ddr3plus) +{ + enum dram_freq freq_e; + enum dram_size size_e; + + switch (freq) { + case 1333: + freq_e = DRAM_FREQ_1333M; + break; + case 1600: + freq_e = DRAM_FREQ_1600M; + break; + default: + pr_err("unsupported DRAM frequency %d MHz\n", freq); + return -EINVAL; + } + + switch (size) { + case 0: + return 0; + case SZ_128M: + size_e = DRAM_SZ_128M; + break; + case SZ_256M: + size_e = DRAM_SZ_256M; + break; + case SZ_512M: + size_e = DRAM_SZ_512M; + break; + default: + pr_err("unsupported DRAM size 0x%08lx\n", size); + return -EINVAL; + } + + writel((ddr3plus ? umc_cmdctla_plus : umc_cmdctla)[freq_e], + dc_base + UMC_CMDCTLA); + writel((ddr3plus ? umc_cmdctlb_plus : umc_cmdctlb)[freq_e], + dc_base + UMC_CMDCTLB); + writel(umc_spcctla[freq_e][size_e], dc_base + UMC_SPCCTLA); + writel(umc_spcctlb[freq_e], dc_base + UMC_SPCCTLB); + writel(umc_rdatactl[freq_e], dc_base + UMC_RDATACTL_D0); + writel(0x04060806, dc_base + UMC_WDATACTL_D0); + writel(0x04a02000, dc_base + UMC_DATASET); + writel(0x00000000, ca_base + 0x2300); + writel(0x00400020, dc_base + UMC_DCCGCTL); + writel(0x00000003, dc_base + 0x7000); + writel(0x0000004f, dc_base + 0x8000); + writel(0x000000c3, dc_base + 0x8004); + writel(0x00000077, dc_base + 0x8008); + writel(0x0000003b, dc_base + UMC_DICGCTLA); + writel(0x020a0808, dc_base + UMC_DICGCTLB); + writel(0x00000004, dc_base + UMC_FLOWCTLG); + writel(0x80000201, ca_base + 0xc20); + writel(0x0801e01e, dc_base + UMC_FLOWCTLA); + writel(0x00200000, dc_base + UMC_FLOWCTLB); + writel(0x00004444, dc_base + UMC_FLOWCTLC); + writel(0x200a0a00, dc_base + UMC_SPCSETB); + writel(0x00000000, dc_base + UMC_SPCSETD); + writel(0x00000520, dc_base + UMC_DFICUPDCTLA); + + return 0; +} + +static int umc_ch_init(void __iomem *dc_base, void __iomem *ca_base, + int freq, unsigned long size, bool ddr3plus, int ch) +{ + void __iomem *phy_base = dc_base + 0x00001000; + int ret; + + writel(UMC_INITSET_INIT1EN, dc_base + UMC_INITSET); + while (readl(dc_base + UMC_INITSTAT) & UMC_INITSTAT_INIT1ST) + cpu_relax(); + + writel(0x00000101, dc_base + UMC_DIOCTLA); + + ret = uniphier_ld4_ddrphy_init(phy_base, freq, ddr3plus); + if (ret) + return ret; + + ddrphy_prepare_training(phy_base, umc_get_rank(ch)); + ret = ddrphy_training(phy_base); + if (ret) + return ret; + + return umc_dramcont_init(dc_base, ca_base, freq, size, ddr3plus); +} + +int uniphier_sld8_umc_init(const struct uniphier_board_data *bd) +{ + void __iomem *umc_base = (void __iomem *)0x5b800000; + void __iomem *ca_base = umc_base + 0x00001000; + void __iomem *dc_base = umc_base + 0x00400000; + void __iomem *ssif_base = umc_base; + int ch, ret; + + for (ch = 0; ch < DRAM_CH_NR; ch++) { + ret = umc_ch_init(dc_base, ca_base, bd->dram_freq, + bd->dram_ch[ch].size, + !!(bd->flags & UNIPHIER_BD_DDR3PLUS), ch); + if (ret) { + pr_err("failed to initialize UMC ch%d\n", ch); + return ret; + } + + ca_base += 0x00001000; + dc_base += 0x00200000; + } + + umc_start_ssif(ssif_base); + + return 0; +} |