diff options
Diffstat (limited to 'arch/arm/cpu/armv7')
23 files changed, 722 insertions, 9 deletions
diff --git a/arch/arm/cpu/armv7/bcm281xx/Makefile b/arch/arm/cpu/armv7/bcm281xx/Makefile index bd867a2718..f24aeb3826 100644 --- a/arch/arm/cpu/armv7/bcm281xx/Makefile +++ b/arch/arm/cpu/armv7/bcm281xx/Makefile @@ -10,3 +10,4 @@ obj-y += clk-bcm281xx.o obj-y += clk-sdio.o obj-y += clk-bsc.o obj-$(CONFIG_BCM_SF2_ETH) += clk-eth.o +obj-y += clk-usb-otg.o diff --git a/arch/arm/cpu/armv7/bcm281xx/clk-bcm281xx.c b/arch/arm/cpu/armv7/bcm281xx/clk-bcm281xx.c index d16b99fc23..7e25255230 100644 --- a/arch/arm/cpu/armv7/bcm281xx/clk-bcm281xx.c +++ b/arch/arm/cpu/armv7/bcm281xx/clk-bcm281xx.c @@ -209,6 +209,10 @@ static struct peri_clk_data sdio4_sleep_data = { .gate = SW_ONLY_GATE(0x0360, 20, 4), }; +static struct bus_clk_data usb_otg_ahb_data = { + .gate = HW_SW_GATE_AUTO(0x0348, 16, 0, 1), +}; + static struct bus_clk_data sdio1_ahb_data = { .gate = HW_SW_GATE_AUTO(0x0358, 16, 0, 1), }; @@ -331,6 +335,17 @@ static struct ccu_clock esub_ccu_clk = { */ /* KPM bus clocks */ +static struct bus_clock usb_otg_ahb_clk = { + .clk = { + .name = "usb_otg_ahb_clk", + .parent = &kpm_ccu_clk.clk, + .ops = &bus_clk_ops, + .ccu_clk_mgr_base = KONA_MST_CLK_BASE_ADDR, + }, + .freq_tbl = master_ahb_freq_tbl, + .data = &usb_otg_ahb_data, +}; + static struct bus_clock sdio1_ahb_clk = { .clk = { .name = "sdio1_ahb_clk", @@ -541,6 +556,7 @@ struct clk_lookup arch_clk_tbl[] = { CLK_LK(bsc2), CLK_LK(bsc3), /* Bus clocks */ + CLK_LK(usb_otg_ahb), CLK_LK(sdio1_ahb), CLK_LK(sdio2_ahb), CLK_LK(sdio3_ahb), diff --git a/arch/arm/cpu/armv7/bcm281xx/clk-usb-otg.c b/arch/arm/cpu/armv7/bcm281xx/clk-usb-otg.c new file mode 100644 index 0000000000..1d7c5af76d --- /dev/null +++ b/arch/arm/cpu/armv7/bcm281xx/clk-usb-otg.c @@ -0,0 +1,27 @@ +/* + * Copyright 2014 Broadcom Corporation. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/errno.h> +#include <asm/arch/sysmap.h> +#include "clk-core.h" + +/* Enable appropriate clocks for the USB OTG port */ +int clk_usb_otg_enable(void *base) +{ + char *ahbstr; + + switch ((u32) base) { + case HSOTG_BASE_ADDR: + ahbstr = "usb_otg_ahb_clk"; + break; + default: + printf("%s: base 0x%p not found\n", __func__, base); + return -EINVAL; + } + + return clk_get_and_enable(ahbstr); +} diff --git a/arch/arm/cpu/armv7/exynos/Kconfig b/arch/arm/cpu/armv7/exynos/Kconfig index f3eadb4db3..7fcb5d2094 100644 --- a/arch/arm/cpu/armv7/exynos/Kconfig +++ b/arch/arm/cpu/armv7/exynos/Kconfig @@ -24,6 +24,10 @@ config TARGET_TRATS2 config TARGET_ODROID bool "Exynos4412 Odroid board" +config TARGET_ODROID_XU3 + bool "Exynos5422 Odroid board" + select OF_CONTROL + config TARGET_ARNDALE bool "Exynos5250 Arndale board" select CPU_V7_HAS_NONSEC diff --git a/arch/arm/cpu/armv7/exynos/clock.c b/arch/arm/cpu/armv7/exynos/clock.c index 8fab135beb..b31c13b14b 100644 --- a/arch/arm/cpu/armv7/exynos/clock.c +++ b/arch/arm/cpu/armv7/exynos/clock.c @@ -848,6 +848,8 @@ static unsigned long exynos5420_get_mmc_clk(int dev_index) if (sel == 0x3) sclk = get_pll_clk(MPLL); + else if (sel == 0x4) + sclk = get_pll_clk(SPLL); else if (sel == 0x6) sclk = get_pll_clk(EPLL); else diff --git a/arch/arm/cpu/armv7/kona-common/clk-stubs.c b/arch/arm/cpu/armv7/kona-common/clk-stubs.c index 338e0e4962..fa10802620 100644 --- a/arch/arm/cpu/armv7/kona-common/clk-stubs.c +++ b/arch/arm/cpu/armv7/kona-common/clk-stubs.c @@ -19,3 +19,8 @@ int __weak clk_bsc_enable(void *base, u32 rate, u32 *actual_ratep) { return 0; } + +int __weak clk_usb_otg_enable(void *base) +{ + return 0; +} diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c index a05dca33af..055f44e8e4 100644 --- a/arch/arm/cpu/armv7/mx6/clock.c +++ b/arch/arm/cpu/armv7/mx6/clock.c @@ -796,10 +796,11 @@ unsigned int mxc_get_clock(enum mxc_clock clk) case MXC_SATA_CLK: return get_ahb_clk(); default: + printf("Unsupported MXC CLK: %d\n", clk); break; } - return -1; + return 0; } /* diff --git a/arch/arm/cpu/armv7/socfpga/misc.c b/arch/arm/cpu/armv7/socfpga/misc.c index 73cffd3a8d..7873c38e2b 100644 --- a/arch/arm/cpu/armv7/socfpga/misc.c +++ b/arch/arm/cpu/armv7/socfpga/misc.c @@ -9,6 +9,7 @@ #include <altera.h> #include <miiphy.h> #include <netdev.h> +#include <watchdog.h> #include <asm/arch/reset_manager.h> #include <asm/arch/system_manager.h> #include <asm/arch/dwmmc.h> @@ -150,14 +151,23 @@ static inline void socfpga_fpga_add(void) {} int arch_cpu_init(void) { +#ifdef CONFIG_HW_WATCHDOG + /* + * In case the watchdog is enabled, make sure to (re-)configure it + * so that the defined timeout is valid. Otherwise the SPL (Perloader) + * timeout value is still active which might too short for Linux + * booting. + */ + hw_watchdog_init(); +#else /* * If the HW watchdog is NOT enabled, make sure it is not running, * for example because it was enabled in the preloader. This might * trigger a watchdog-triggered reboot of Linux kernel later. */ -#ifndef CONFIG_HW_WATCHDOG socfpga_watchdog_reset(); #endif + return 0; } diff --git a/arch/arm/cpu/armv7/uniphier/Kconfig b/arch/arm/cpu/armv7/uniphier/Kconfig index 97602990aa..0556e4b350 100644 --- a/arch/arm/cpu/armv7/uniphier/Kconfig +++ b/arch/arm/cpu/armv7/uniphier/Kconfig @@ -65,6 +65,13 @@ config DRAM_INIT bool default SPL_BUILD +config CMD_DDRPHY_DUMP + bool "Enable dump command of DDR PHY parameters" + depends on !SPL_BUILD + help + The command "ddrphy" shows the resulting parameters of DDR PHY + training; it is useful for the evaluation of DDR PHY training. + choice prompt "DDR3 Frequency select" depends on DRAM_INIT diff --git a/arch/arm/cpu/armv7/uniphier/Makefile b/arch/arm/cpu/armv7/uniphier/Makefile index 4a7b8a9d08..05462320b5 100644 --- a/arch/arm/cpu/armv7/uniphier/Makefile +++ b/arch/arm/cpu/armv7/uniphier/Makefile @@ -10,11 +10,13 @@ obj-y += reset.o obj-y += cache_uniphier.o obj-$(CONFIG_BOARD_POSTCLK_INIT) += board_postclk_init.o obj-y += dram_init.o +obj-$(CONFIG_DRAM_INIT) += ddrphy_training.o obj-$(CONFIG_DISPLAY_CPUINFO) += cpu_info.o obj-$(CONFIG_BOARD_EARLY_INIT_R) += board_early_init_r.o obj-$(CONFIG_BOARD_LATE_INIT) += board_late_init.o obj-$(CONFIG_UNIPHIER_SMP) += smp.o obj-$(CONFIG_CMD_PINMON) += cmd_pinmon.o +obj-$(CONFIG_CMD_DDRPHY_DUMP) += cmd_ddrphy.o obj-y += board_common.o obj-$(CONFIG_PFC_MICRO_SUPPORT_CARD) += support_card.o diff --git a/arch/arm/cpu/armv7/uniphier/cmd_ddrphy.c b/arch/arm/cpu/armv7/uniphier/cmd_ddrphy.c new file mode 100644 index 0000000000..431d9010f1 --- /dev/null +++ b/arch/arm/cpu/armv7/uniphier/cmd_ddrphy.c @@ -0,0 +1,229 @@ +/* + * Copyright (C) 2014 Panasonic Corporation + * Author: Masahiro Yamada <yamada.m@jp.panasonic.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/ddrphy-regs.h> + +/* Select either decimal or hexadecimal */ +#if 1 +#define PRINTF_FORMAT "%2d" +#else +#define PRINTF_FORMAT "%02x" +#endif +/* field separator */ +#define FS " " + +static u32 read_bdl(struct ddrphy_datx8 __iomem *dx, int index) +{ + return (readl(&dx->bdlr[index / 5]) >> (index % 5 * 6)) & 0x3f; +} + +static void dump_loop(void (*callback)(struct ddrphy_datx8 __iomem *)) +{ + int ch, p, dx; + struct ddrphy __iomem *phy; + + for (ch = 0; ch < NR_DDRCH; ch++) { + for (p = 0; p < NR_DDRPHY_PER_CH; p++) { + phy = (struct ddrphy __iomem *)DDRPHY_BASE(ch, p); + + for (dx = 0; dx < NR_DATX8_PER_DDRPHY; dx++) { + printf("CH%dP%dDX%d:", ch, p, dx); + (*callback)(&phy->dx[dx]); + printf("\n"); + } + } + } +} + +static void __wbdl_dump(struct ddrphy_datx8 __iomem *dx) +{ + int i; + + for (i = 0; i < 10; i++) + printf(FS PRINTF_FORMAT, read_bdl(dx, i)); + + printf(FS "(+" PRINTF_FORMAT ")", readl(&dx->lcdlr[1]) & 0xff); +} + +void wbdl_dump(void) +{ + printf("\n--- Write Bit Delay Line ---\n"); + printf(" DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DM DQS (WDQD)\n"); + + dump_loop(&__wbdl_dump); +} + +static void __rbdl_dump(struct ddrphy_datx8 __iomem *dx) +{ + int i; + + for (i = 15; i < 24; i++) + printf(FS PRINTF_FORMAT, read_bdl(dx, i)); + + printf(FS "(+" PRINTF_FORMAT ")", (readl(&dx->lcdlr[1]) >> 8) & 0xff); +} + +void rbdl_dump(void) +{ + printf("\n--- Read Bit Delay Line ---\n"); + printf(" DQ0 DQ1 DQ2 DQ3 DQ4 DQ5 DQ6 DQ7 DM (RDQSD)\n"); + + dump_loop(&__rbdl_dump); +} + +static void __wld_dump(struct ddrphy_datx8 __iomem *dx) +{ + int rank; + u32 lcdlr0 = readl(&dx->lcdlr[0]); + u32 gtr = readl(&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"); + } +} + +void wld_dump(void) +{ + printf("\n--- Write Leveling Delay ---\n"); + printf(" Rank0 Rank1 Rank2 Rank3\n"); + + dump_loop(&__wld_dump); +} + +static void __dqsgd_dump(struct ddrphy_datx8 __iomem *dx) +{ + int rank; + u32 lcdlr2 = readl(&dx->lcdlr[2]); + u32 gtr = readl(&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); + } +} + +void dqsgd_dump(void) +{ + printf("\n--- DQS Gating Delay ---\n"); + printf(" Rank0 Rank1 Rank2 Rank3\n"); + + dump_loop(&__dqsgd_dump); +} + +static void __mdl_dump(struct ddrphy_datx8 __iomem *dx) +{ + int i; + u32 mdl = readl(&dx->mdlr); + for (i = 0; i < 3; i++) + printf(FS PRINTF_FORMAT, (mdl >> (8 * i)) & 0xff); +} + +void mdl_dump(void) +{ + printf("\n--- Master Delay Line ---\n"); + printf(" IPRD TPRD MDLD\n"); + + dump_loop(&__mdl_dump); +} + +#define REG_DUMP(x) \ + { u32 __iomem *p = &phy->x; printf("%3d: %-10s: %p : %08x\n", \ + p - (u32 *)phy, #x, p, readl(p)); } + +void reg_dump(void) +{ + int ch, p; + struct ddrphy __iomem *phy; + + printf("\n--- DDR PHY registers ---\n"); + + for (ch = 0; ch < NR_DDRCH; ch++) { + for (p = 0; p < NR_DDRPHY_PER_CH; p++) { + printf("== Ch%d, PHY%d ==\n", ch, p); + printf(" No: Name : Address : Data\n"); + + phy = (struct ddrphy __iomem *)DDRPHY_BASE(ch, p); + + REG_DUMP(ridr); + REG_DUMP(pir); + REG_DUMP(pgcr[0]); + REG_DUMP(pgcr[1]); + REG_DUMP(pgsr[0]); + REG_DUMP(pgsr[1]); + REG_DUMP(pllcr); + REG_DUMP(ptr[0]); + REG_DUMP(ptr[1]); + REG_DUMP(ptr[2]); + REG_DUMP(ptr[3]); + REG_DUMP(ptr[4]); + REG_DUMP(acmdlr); + REG_DUMP(acbdlr); + REG_DUMP(dxccr); + REG_DUMP(dsgcr); + REG_DUMP(dcr); + REG_DUMP(dtpr[0]); + REG_DUMP(dtpr[1]); + REG_DUMP(dtpr[2]); + REG_DUMP(mr0); + REG_DUMP(mr1); + REG_DUMP(mr2); + REG_DUMP(mr3); + REG_DUMP(dx[0].gcr); + REG_DUMP(dx[0].gtr); + REG_DUMP(dx[1].gcr); + REG_DUMP(dx[1].gtr); + } + } +} + +static int do_ddr(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + char *cmd = argv[1]; + + if (argc == 1) + cmd = "all"; + + if (!strcmp(cmd, "wbdl") || !strcmp(cmd, "all")) + wbdl_dump(); + + if (!strcmp(cmd, "rbdl") || !strcmp(cmd, "all")) + rbdl_dump(); + + if (!strcmp(cmd, "wld") || !strcmp(cmd, "all")) + wld_dump(); + + if (!strcmp(cmd, "dqsgd") || !strcmp(cmd, "all")) + dqsgd_dump(); + + if (!strcmp(cmd, "mdl") || !strcmp(cmd, "all")) + mdl_dump(); + + if (!strcmp(cmd, "reg") || !strcmp(cmd, "all")) + reg_dump(); + + return 0; +} + +U_BOOT_CMD( + ddr, 2, 1, do_ddr, + "UniPhier DDR PHY parameters dumper", + "- dump all of the followings\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/arch/arm/cpu/armv7/uniphier/cmd_pinmon.c b/arch/arm/cpu/armv7/uniphier/cmd_pinmon.c index eef9f39840..3561b40a33 100644 --- a/arch/arm/cpu/armv7/uniphier/cmd_pinmon.c +++ b/arch/arm/cpu/armv7/uniphier/cmd_pinmon.c @@ -7,6 +7,7 @@ #include <common.h> #include <asm/arch/boot-device.h> +#include <asm/arch/sbc-regs.h> static int do_pinmon(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { @@ -15,6 +16,8 @@ static int do_pinmon(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) mode_sel = get_boot_mode_sel(); + printf("Boot Swap: %s\n\n", boot_is_swapped() ? "ON" : "OFF"); + puts("Boot Mode Pin:\n"); for (table = boot_device_table; strlen(table->info); table++) { diff --git a/arch/arm/cpu/armv7/uniphier/ddrphy_training.c b/arch/arm/cpu/armv7/uniphier/ddrphy_training.c new file mode 100644 index 0000000000..cc8b8ad648 --- /dev/null +++ b/arch/arm/cpu/armv7/uniphier/ddrphy_training.c @@ -0,0 +1,144 @@ +/* + * Copyright (C) 2011-2014 Panasonic Corporation + * Author: Masahiro Yamada <yamada.m@jp.panasonic.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/ddrphy-regs.h> + +void ddrphy_prepare_training(struct ddrphy __iomem *phy, int rank) +{ + int dx; + u32 __iomem tmp, *p; + + for (dx = 0; dx < NR_DATX8_PER_DDRPHY; dx++) { + p = &phy->dx[dx].gcr; + + tmp = readl(p); + /* Specify the rank that should be write leveled */ + tmp &= ~DXGCR_WLRKEN_MASK; + tmp |= (1 << (DXGCR_WLRKEN_SHIFT + rank)) & DXGCR_WLRKEN_MASK; + writel(tmp, p); + } + + p = &phy->dtcr; + + tmp = readl(p); + /* Specify the rank used during data bit deskew and eye centering */ + tmp &= ~DTCR_DTRANK_MASK; + tmp |= (rank << DTCR_DTRANK_SHIFT) & DTCR_DTRANK_MASK; + /* Use Multi-Purpose Register for DQS gate training */ + tmp |= DTCR_DTMPR; + /* Specify the rank enabled for data-training */ + tmp &= ~DTCR_RNKEN_MASK; + tmp |= (1 << (DTCR_RNKEN_SHIFT + rank)) & DTCR_RNKEN_MASK; + writel(tmp, p); +} + +struct ddrphy_init_sequence { + char *description; + u32 init_flag; + u32 done_flag; + u32 err_flag; +}; + +static struct ddrphy_init_sequence init_sequence[] = { + { + "DRAM Initialization", + PIR_DRAMRST | PIR_DRAMINIT, + PGSR0_DIDONE, + PGSR0_DIERR + }, + { + "Write Leveling", + PIR_WL, + PGSR0_WLDONE, + PGSR0_WLERR + }, + { + "Read DQS Gate Training", + PIR_QSGATE, + PGSR0_QSGDONE, + PGSR0_QSGERR + }, + { + "Write Leveling Adjustment", + PIR_WLADJ, + PGSR0_WLADONE, + PGSR0_WLAERR + }, + { + "Read Bit Deskew", + PIR_RDDSKW, + PGSR0_RDDONE, + PGSR0_RDERR + }, + { + "Write Bit Deskew", + PIR_WRDSKW, + PGSR0_WDDONE, + PGSR0_WDERR + }, + { + "Read Eye Training", + PIR_RDEYE, + PGSR0_REDONE, + PGSR0_REERR + }, + { + "Write Eye Training", + PIR_WREYE, + PGSR0_WEDONE, + PGSR0_WEERR + } +}; + +int ddrphy_training(struct ddrphy __iomem *phy) +{ + int i; + u32 pgsr0; + u32 init_flag = PIR_INIT; + u32 done_flag = PGSR0_IDONE; + int timeout = 50000; /* 50 msec is long enough */ +#ifdef DISPLAY_ELAPSED_TIME + 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->pir); + + do { + if (--timeout < 0) { +#ifndef CONFIG_SPL_BUILD + printf("%s: error: timeout during DDR training\n", + __func__); +#endif + return -1; + } + udelay(1); + pgsr0 = readl(&phy->pgsr[0]); + } while ((pgsr0 & done_flag) != done_flag); + + for (i = 0; i < ARRAY_SIZE(init_sequence); i++) { + if (pgsr0 & init_sequence[i].err_flag) { +#ifndef CONFIG_SPL_BUILD + printf("%s: error: %s failed\n", __func__, + init_sequence[i].description); +#endif + return -1; + } + } + +#ifdef DISPLAY_ELAPSED_TIME + printf("%s: info: elapsed time %ld msec\n", get_timer(start)); +#endif + + return 0; +} diff --git a/arch/arm/cpu/armv7/uniphier/init_page_table.c b/arch/arm/cpu/armv7/uniphier/init_page_table.c index a0d10a995d..febb3c8e4b 100644 --- a/arch/arm/cpu/armv7/uniphier/init_page_table.c +++ b/arch/arm/cpu/armv7/uniphier/init_page_table.c @@ -17,11 +17,7 @@ #define REG DEVICE /* IO Register: Device */ #define DDR DEVICE /* DDR SDRAM: Device */ -#ifdef CONFIG_SPL_BUILD #define IS_SPL_TEXT_AREA(x) ((x) == ((CONFIG_SPL_TEXT_BASE) >> 20)) -#else -#define IS_SPL_TEXT_AREA(x) ((x) == ((CONFIG_SYS_TEXT_BASE) >> 20)) -#endif #define IS_INIT_STACK_AREA(x) ((x) == ((CONFIG_SYS_INIT_SP_ADDR) >> 20)) diff --git a/arch/arm/cpu/armv7/uniphier/ph1-ld4/Makefile b/arch/arm/cpu/armv7/uniphier/ph1-ld4/Makefile index 5d682d3ca3..8794629b2a 100644 --- a/arch/arm/cpu/armv7/uniphier/ph1-ld4/Makefile +++ b/arch/arm/cpu/armv7/uniphier/ph1-ld4/Makefile @@ -8,4 +8,4 @@ obj-y += boot-mode.o obj-$(CONFIG_SOC_INIT) += bcu_init.o sbc_init.o sg_init.o pll_init.o \ clkrst_init.o obj-$(CONFIG_BOARD_POSTCLK_INIT) += pinctrl.o -obj-$(CONFIG_DRAM_INIT) += pll_spectrum.o umc_init.o +obj-$(CONFIG_DRAM_INIT) += pll_spectrum.o umc_init.o ddrphy_init.o diff --git a/arch/arm/cpu/armv7/uniphier/ph1-ld4/ddrphy_init.c b/arch/arm/cpu/armv7/uniphier/ph1-ld4/ddrphy_init.c new file mode 100644 index 0000000000..60fc5ad6ea --- /dev/null +++ b/arch/arm/cpu/armv7/uniphier/ph1-ld4/ddrphy_init.c @@ -0,0 +1,70 @@ +/* + * Copyright (C) 2014 Panasonic Corporation + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <linux/types.h> +#include <asm/io.h> +#include <asm/arch/ddrphy-regs.h> + +void ddrphy_init(struct ddrphy __iomem *phy, int freq, int size) +{ + u32 tmp; + + writel(0x0300c473, &phy->pgcr[1]); + if (freq == 1333) { + writel(0x0a806844, &phy->ptr[0]); + writel(0x208e0124, &phy->ptr[1]); + } else { + writel(0x0c807d04, &phy->ptr[0]); + writel(0x2710015E, &phy->ptr[1]); + } + writel(0x00083DEF, &phy->ptr[2]); + if (freq == 1333) { + writel(0x0f051616, &phy->ptr[3]); + writel(0x06ae08d6, &phy->ptr[4]); + } else { + writel(0x12061A80, &phy->ptr[3]); + writel(0x08027100, &phy->ptr[4]); + } + writel(0xF004001A, &phy->dsgcr); + + /* change the value of the on-die pull-up/pull-down registors */ + tmp = readl(&phy->dxccr); + tmp &= ~0x0ee0; + tmp |= DXCCR_DQSNRES_688_OHM | DXCCR_DQSRES_688_OHM; + writel(tmp, &phy->dxccr); + + writel(0x0000040B, &phy->dcr); + if (freq == 1333) { + writel(0x85589955, &phy->dtpr[0]); + if (size == 1) + writel(0x1a8253c0, &phy->dtpr[1]); + else + writel(0x1a8363c0, &phy->dtpr[1]); + writel(0x5002c200, &phy->dtpr[2]); + writel(0x00000b51, &phy->mr0); + } else { + writel(0x999cbb66, &phy->dtpr[0]); + if (size == 1) + writel(0x1a82dbc0, &phy->dtpr[1]); + else + writel(0x1a878400, &phy->dtpr[1]); + writel(0xa00214f8, &phy->dtpr[2]); + writel(0x00000d71, &phy->mr0); + } + writel(0x00000006, &phy->mr1); + if (freq == 1333) + writel(0x00000290, &phy->mr2); + else + writel(0x00000298, &phy->mr2); + + writel(0x00000800, &phy->mr3); + + while (!(readl(&phy->pgsr[0]) & PGSR0_IDONE)) + ; + + writel(0x0300C473, &phy->pgcr[1]); + writel(0x0000005D, &phy->zq[0].cr[1]); +} diff --git a/arch/arm/cpu/armv7/uniphier/ph1-ld4/umc_init.c b/arch/arm/cpu/armv7/uniphier/ph1-ld4/umc_init.c index ebcbaabf65..87889160a7 100644 --- a/arch/arm/cpu/armv7/uniphier/ph1-ld4/umc_init.c +++ b/arch/arm/cpu/armv7/uniphier/ph1-ld4/umc_init.c @@ -7,6 +7,7 @@ #include <common.h> #include <asm/io.h> #include <asm/arch/umc-regs.h> +#include <asm/arch/ddrphy-regs.h> static inline void umc_start_ssif(void __iomem *ssif_base) { @@ -125,6 +126,8 @@ static inline int umc_init_sub(int freq, int size_ch0, int size_ch1) void __iomem *ca_base1 = (void __iomem *)UMC_CA_BASE(1); void __iomem *dramcont0 = (void __iomem *)UMC_DRAMCONT_BASE(0); void __iomem *dramcont1 = (void __iomem *)UMC_DRAMCONT_BASE(1); + void __iomem *phy0_0 = (void __iomem *)DDRPHY_BASE(0, 0); + void __iomem *phy1_0 = (void __iomem *)DDRPHY_BASE(1, 0); umc_dram_init_start(dramcont0); umc_dram_init_start(dramcont1); @@ -133,8 +136,18 @@ static inline int umc_init_sub(int freq, int size_ch0, int size_ch1) writel(0x00000101, dramcont0 + UMC_DIOCTLA); + ddrphy_init(phy0_0, freq, size_ch0); + + ddrphy_prepare_training(phy0_0, 0); + ddrphy_training(phy0_0); + writel(0x00000101, dramcont1 + UMC_DIOCTLA); + ddrphy_init(phy1_0, freq, size_ch1); + + ddrphy_prepare_training(phy1_0, 1); + ddrphy_training(phy1_0); + umc_dramcont_init(dramcont0, ca_base0, size_ch0, freq); umc_dramcont_init(dramcont1, ca_base1, size_ch1, freq); diff --git a/arch/arm/cpu/armv7/uniphier/ph1-pro4/Makefile b/arch/arm/cpu/armv7/uniphier/ph1-pro4/Makefile index fd1c432f4f..cee78781f6 100644 --- a/arch/arm/cpu/armv7/uniphier/ph1-pro4/Makefile +++ b/arch/arm/cpu/armv7/uniphier/ph1-pro4/Makefile @@ -7,4 +7,4 @@ obj-$(if $(CONFIG_OF_CONTROL),,y) += platdevice.o obj-y += boot-mode.o obj-$(CONFIG_SOC_INIT) += sbc_init.o sg_init.o pll_init.o clkrst_init.o obj-$(CONFIG_BOARD_POSTCLK_INIT) += pinctrl.o -obj-$(CONFIG_DRAM_INIT) += pll_spectrum.o umc_init.o +obj-$(CONFIG_DRAM_INIT) += pll_spectrum.o umc_init.o ddrphy_init.o diff --git a/arch/arm/cpu/armv7/uniphier/ph1-pro4/ddrphy_init.c b/arch/arm/cpu/armv7/uniphier/ph1-pro4/ddrphy_init.c new file mode 100644 index 0000000000..c5d1f606cf --- /dev/null +++ b/arch/arm/cpu/armv7/uniphier/ph1-pro4/ddrphy_init.c @@ -0,0 +1,70 @@ +/* + * Copyright (C) 2014 Panasonic Corporation + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <linux/types.h> +#include <asm/io.h> +#include <asm/arch/ddrphy-regs.h> + +void ddrphy_init(struct ddrphy __iomem *phy, int freq, int size) +{ + u32 tmp; + + writel(0x0300c473, &phy->pgcr[1]); + if (freq == 1333) { + writel(0x0a806844, &phy->ptr[0]); + writel(0x208e0124, &phy->ptr[1]); + } else { + writel(0x0c807d04, &phy->ptr[0]); + writel(0x2710015E, &phy->ptr[1]); + } + writel(0x00083DEF, &phy->ptr[2]); + if (freq == 1333) { + writel(0x0f051616, &phy->ptr[3]); + writel(0x06ae08d6, &phy->ptr[4]); + } else { + writel(0x12061A80, &phy->ptr[3]); + writel(0x08027100, &phy->ptr[4]); + } + writel(0xF004001A, &phy->dsgcr); + + /* change the value of the on-die pull-up/pull-down registors */ + tmp = readl(&phy->dxccr); + tmp &= ~0x0ee0; + tmp |= DXCCR_DQSNRES_688_OHM | DXCCR_DQSRES_688_OHM; + writel(tmp, &phy->dxccr); + + writel(0x0000040B, &phy->dcr); + if (freq == 1333) { + writel(0x85589955, &phy->dtpr[0]); + if (size == 1) + writel(0x1a8363c0, &phy->dtpr[1]); + else + writel(0x1a8363c0, &phy->dtpr[1]); + writel(0x5002c200, &phy->dtpr[2]); + writel(0x00000b51, &phy->mr0); + } else { + writel(0x999cbb66, &phy->dtpr[0]); + if (size == 1) + writel(0x1a878400, &phy->dtpr[1]); + else + writel(0x1a878400, &phy->dtpr[1]); + writel(0xa00214f8, &phy->dtpr[2]); + writel(0x00000d71, &phy->mr0); + } + writel(0x00000006, &phy->mr1); + if (freq == 1333) + writel(0x00000290, &phy->mr2); + else + writel(0x00000298, &phy->mr2); + + writel(0x00000000, &phy->mr3); + + while (!(readl(&phy->pgsr[0]) & PGSR0_IDONE)) + ; + + writel(0x0300C473, &phy->pgcr[1]); + writel(0x0000005D, &phy->zq[0].cr[1]); +} diff --git a/arch/arm/cpu/armv7/uniphier/ph1-pro4/umc_init.c b/arch/arm/cpu/armv7/uniphier/ph1-pro4/umc_init.c index 328b2f4d9a..1973ab04c2 100644 --- a/arch/arm/cpu/armv7/uniphier/ph1-pro4/umc_init.c +++ b/arch/arm/cpu/armv7/uniphier/ph1-pro4/umc_init.c @@ -7,6 +7,7 @@ #include <common.h> #include <asm/io.h> #include <asm/arch/umc-regs.h> +#include <asm/arch/ddrphy-regs.h> static inline void umc_start_ssif(void __iomem *ssif_base) { @@ -94,6 +95,10 @@ static inline int umc_init_sub(int freq, int size_ch0, int size_ch1) void __iomem *ca_base1 = (void __iomem *)UMC_CA_BASE(1); void __iomem *dramcont0 = (void __iomem *)UMC_DRAMCONT_BASE(0); void __iomem *dramcont1 = (void __iomem *)UMC_DRAMCONT_BASE(1); + void __iomem *phy0_0 = (void __iomem *)DDRPHY_BASE(0, 0); + void __iomem *phy0_1 = (void __iomem *)DDRPHY_BASE(0, 1); + void __iomem *phy1_0 = (void __iomem *)DDRPHY_BASE(1, 0); + void __iomem *phy1_1 = (void __iomem *)DDRPHY_BASE(1, 1); umc_dram_init_start(dramcont0); umc_dram_init_start(dramcont1); @@ -102,12 +107,32 @@ static inline int umc_init_sub(int freq, int size_ch0, int size_ch1) writel(0x00000101, dramcont0 + UMC_DIOCTLA); + ddrphy_init(phy0_0, freq, size_ch0); + + ddrphy_prepare_training(phy0_0, 0); + ddrphy_training(phy0_0); + writel(0x00000103, dramcont0 + UMC_DIOCTLA); + ddrphy_init(phy0_1, freq, size_ch0); + + ddrphy_prepare_training(phy0_1, 1); + ddrphy_training(phy0_1); + writel(0x00000101, dramcont1 + UMC_DIOCTLA); + ddrphy_init(phy1_0, freq, size_ch1); + + ddrphy_prepare_training(phy1_0, 0); + ddrphy_training(phy1_0); + writel(0x00000103, dramcont1 + UMC_DIOCTLA); + ddrphy_init(phy1_1, freq, size_ch1); + + ddrphy_prepare_training(phy1_1, 1); + ddrphy_training(phy1_1); + umc_dramcont_init(dramcont0, ca_base0, size_ch0, freq); umc_dramcont_init(dramcont1, ca_base1, size_ch1, freq); diff --git a/arch/arm/cpu/armv7/uniphier/ph1-sld8/Makefile b/arch/arm/cpu/armv7/uniphier/ph1-sld8/Makefile index 5d682d3ca3..8794629b2a 100644 --- a/arch/arm/cpu/armv7/uniphier/ph1-sld8/Makefile +++ b/arch/arm/cpu/armv7/uniphier/ph1-sld8/Makefile @@ -8,4 +8,4 @@ obj-y += boot-mode.o obj-$(CONFIG_SOC_INIT) += bcu_init.o sbc_init.o sg_init.o pll_init.o \ clkrst_init.o obj-$(CONFIG_BOARD_POSTCLK_INIT) += pinctrl.o -obj-$(CONFIG_DRAM_INIT) += pll_spectrum.o umc_init.o +obj-$(CONFIG_DRAM_INIT) += pll_spectrum.o umc_init.o ddrphy_init.o diff --git a/arch/arm/cpu/armv7/uniphier/ph1-sld8/ddrphy_init.c b/arch/arm/cpu/armv7/uniphier/ph1-sld8/ddrphy_init.c new file mode 100644 index 0000000000..a5eafef9a8 --- /dev/null +++ b/arch/arm/cpu/armv7/uniphier/ph1-sld8/ddrphy_init.c @@ -0,0 +1,75 @@ +/* + * Copyright (C) 2014 Panasonic Corporation + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <config.h> +#include <linux/types.h> +#include <asm/io.h> +#include <asm/arch/ddrphy-regs.h> + +void ddrphy_init(struct ddrphy __iomem *phy, int freq, int size) +{ + u32 tmp; + + writel(0x0300c473, &phy->pgcr[1]); + if (freq == 1333) { + writel(0x0a806844, &phy->ptr[0]); + writel(0x208e0124, &phy->ptr[1]); + } else { + writel(0x0c807d04, &phy->ptr[0]); + writel(0x2710015E, &phy->ptr[1]); + } + writel(0x00083DEF, &phy->ptr[2]); + if (freq == 1333) { + writel(0x0f051616, &phy->ptr[3]); + writel(0x06ae08d6, &phy->ptr[4]); + } else { + writel(0x12061A80, &phy->ptr[3]); + writel(0x08027100, &phy->ptr[4]); + } + writel(0xF004001A, &phy->dsgcr); + + /* change the value of the on-die pull-up/pull-down registors */ + tmp = readl(&phy->dxccr); + tmp &= ~0x0ee0; + tmp |= DXCCR_DQSNRES_688_OHM | DXCCR_DQSRES_688_OHM; + writel(tmp, &phy->dxccr); + + writel(0x0000040B, &phy->dcr); + if (freq == 1333) { + writel(0x85589955, &phy->dtpr[0]); + if (size == 1) + writel(0x1a8363c0, &phy->dtpr[1]); + else + writel(0x1a8363c0, &phy->dtpr[1]); + writel(0x5002c200, &phy->dtpr[2]); + writel(0x00000b51, &phy->mr0); + } else { + writel(0x999cbb66, &phy->dtpr[0]); + if (size == 1) + writel(0x1a878400, &phy->dtpr[1]); + else + writel(0x1a878400, &phy->dtpr[1]); + writel(0xa00214f8, &phy->dtpr[2]); + writel(0x00000d71, &phy->mr0); + } + writel(0x00000006, &phy->mr1); + if (freq == 1333) + writel(0x00000290, &phy->mr2); + else + writel(0x00000298, &phy->mr2); + +#ifdef CONFIG_DDR_STANDARD + writel(0x00000000, &phy->mr3); +#else + writel(0x00000800, &phy->mr3); +#endif + + while (!(readl(&phy->pgsr[0]) & PGSR0_IDONE)) + ; + + writel(0x0300C473, &phy->pgcr[1]); + writel(0x0000005D, &phy->zq[0].cr[1]); +} diff --git a/arch/arm/cpu/armv7/uniphier/ph1-sld8/umc_init.c b/arch/arm/cpu/armv7/uniphier/ph1-sld8/umc_init.c index a44f999fbf..2e0f9aeaa5 100644 --- a/arch/arm/cpu/armv7/uniphier/ph1-sld8/umc_init.c +++ b/arch/arm/cpu/armv7/uniphier/ph1-sld8/umc_init.c @@ -7,6 +7,7 @@ #include <common.h> #include <asm/io.h> #include <asm/arch/umc-regs.h> +#include <asm/arch/ddrphy-regs.h> static inline void umc_start_ssif(void __iomem *ssif_base) { @@ -105,6 +106,8 @@ static inline int umc_init_sub(int freq, int size_ch0, int size_ch1) void __iomem *ca_base1 = (void __iomem *)UMC_CA_BASE(1); void __iomem *dramcont0 = (void __iomem *)UMC_DRAMCONT_BASE(0); void __iomem *dramcont1 = (void __iomem *)UMC_DRAMCONT_BASE(1); + void __iomem *phy0_0 = (void __iomem *)DDRPHY_BASE(0, 0); + void __iomem *phy1_0 = (void __iomem *)DDRPHY_BASE(1, 0); umc_dram_init_start(dramcont0); umc_dram_init_start(dramcont1); @@ -113,8 +116,18 @@ static inline int umc_init_sub(int freq, int size_ch0, int size_ch1) writel(0x00000101, dramcont0 + UMC_DIOCTLA); + ddrphy_init(phy0_0, freq, size_ch0); + + ddrphy_prepare_training(phy0_0, 0); + ddrphy_training(phy0_0); + writel(0x00000101, dramcont1 + UMC_DIOCTLA); + ddrphy_init(phy1_0, freq, size_ch1); + + ddrphy_prepare_training(phy1_0, 1); + ddrphy_training(phy1_0); + umc_dramcont_init(dramcont0, ca_base0, size_ch0, freq); umc_dramcont_init(dramcont1, ca_base1, size_ch1, freq); |