diff options
Diffstat (limited to 'arch/arm/mach-uniphier/dram')
-rw-r--r-- | arch/arm/mach-uniphier/dram/Makefile | 4 | ||||
-rw-r--r-- | arch/arm/mach-uniphier/dram/ddrphy-ph1-ld4.c | 80 | ||||
-rw-r--r-- | arch/arm/mach-uniphier/dram/ddrphy-ph1-pro4.c | 67 | ||||
-rw-r--r-- | arch/arm/mach-uniphier/dram/ddrphy-ph1-sld8.c | 78 | ||||
-rw-r--r-- | arch/arm/mach-uniphier/dram/ddrphy-regs.h | 5 | ||||
-rw-r--r-- | arch/arm/mach-uniphier/dram/umc-ph1-ld4.c | 225 | ||||
-rw-r--r-- | arch/arm/mach-uniphier/dram/umc-ph1-pro4.c | 182 | ||||
-rw-r--r-- | arch/arm/mach-uniphier/dram/umc-ph1-sld8.c | 218 | ||||
-rw-r--r-- | arch/arm/mach-uniphier/dram/umc-proxstream2.c | 217 | ||||
-rw-r--r-- | arch/arm/mach-uniphier/dram/umc-regs.h | 48 |
10 files changed, 501 insertions, 623 deletions
diff --git a/arch/arm/mach-uniphier/dram/Makefile b/arch/arm/mach-uniphier/dram/Makefile index a0a6003..3d1553c 100644 --- a/arch/arm/mach-uniphier/dram/Makefile +++ b/arch/arm/mach-uniphier/dram/Makefile @@ -7,9 +7,9 @@ ifdef CONFIG_SPL_BUILD obj-$(CONFIG_ARCH_UNIPHIER_PH1_LD4) += umc-ph1-ld4.o \ ddrphy-training.o ddrphy-ph1-ld4.o obj-$(CONFIG_ARCH_UNIPHIER_PH1_PRO4) += umc-ph1-pro4.o \ - ddrphy-training.o ddrphy-ph1-pro4.o + ddrphy-training.o ddrphy-ph1-ld4.o obj-$(CONFIG_ARCH_UNIPHIER_PH1_SLD8) += umc-ph1-sld8.o \ - ddrphy-training.o ddrphy-ph1-sld8.o + ddrphy-training.o ddrphy-ph1-ld4.o obj-$(CONFIG_ARCH_UNIPHIER_PROXSTREAM2) += umc-proxstream2.o obj-$(CONFIG_ARCH_UNIPHIER_PH1_LD6B) += umc-proxstream2.o diff --git a/arch/arm/mach-uniphier/dram/ddrphy-ph1-ld4.c b/arch/arm/mach-uniphier/dram/ddrphy-ph1-ld4.c index d2bc5a1..eb9bf24 100644 --- a/arch/arm/mach-uniphier/dram/ddrphy-ph1-ld4.c +++ b/arch/arm/mach-uniphier/dram/ddrphy-ph1-ld4.c @@ -4,31 +4,52 @@ * SPDX-License-Identifier: GPL-2.0+ */ +#include <common.h> +#include <linux/err.h> #include <linux/types.h> #include <linux/io.h> #include "ddrphy-regs.h" -int ph1_ld4_ddrphy_init(struct ddrphy __iomem *phy, int freq, int size) +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 ph1_ld4_ddrphy_init(struct ddrphy __iomem *phy, int freq, bool ddr3plus) { + enum dram_freq freq_e; 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]); + switch (freq) { + case 1333: + freq_e = DRAM_FREQ_1333M; + break; + case 1600: + freq_e = DRAM_FREQ_1600M; + break; + default: + printf("unsupported DRAM frequency %d MHz\n", freq); + return -EINVAL; } + + writel(0x0300c473, &phy->pgcr[1]); + writel(ddrphy_ptr0[freq_e], &phy->ptr[0]); + writel(ddrphy_ptr1[freq_e], &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(ddrphy_ptr3[freq_e], &phy->ptr[3]); + writel(ddrphy_ptr4[freq_e], &phy->ptr[4]); writel(0xF004001A, &phy->dsgcr); /* change the value of the on-die pull-up/pull-down registors */ @@ -38,30 +59,13 @@ int ph1_ld4_ddrphy_init(struct ddrphy __iomem *phy, int freq, int size) 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(ddrphy_dtpr0[freq_e], &phy->dtpr[0]); + writel(ddrphy_dtpr1[freq_e], &phy->dtpr[1]); + writel(ddrphy_dtpr2[freq_e], &phy->dtpr[2]); + writel(ddrphy_mr0[freq_e], &phy->mr0); writel(0x00000006, &phy->mr1); - if (freq == 1333) - writel(0x00000290, &phy->mr2); - else - writel(0x00000298, &phy->mr2); - - writel(0x00000800, &phy->mr3); + writel(ddrphy_mr2[freq_e], &phy->mr2); + writel(ddr3plus ? 0x00000800 : 0x00000000, &phy->mr3); while (!(readl(&phy->pgsr[0]) & PGSR0_IDONE)) ; diff --git a/arch/arm/mach-uniphier/dram/ddrphy-ph1-pro4.c b/arch/arm/mach-uniphier/dram/ddrphy-ph1-pro4.c deleted file mode 100644 index 9fb34f7..0000000 --- a/arch/arm/mach-uniphier/dram/ddrphy-ph1-pro4.c +++ /dev/null @@ -1,67 +0,0 @@ -/* - * Copyright (C) 2014-2015 Masahiro Yamada <yamada.masahiro@socionext.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <linux/types.h> -#include <linux/io.h> - -#include "ddrphy-regs.h" - -int ph1_pro4_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]); - writel(0x1a8363c0, &phy->dtpr[1]); - writel(0x5002c200, &phy->dtpr[2]); - writel(0x00000b51, &phy->mr0); - } else { - writel(0x999cbb66, &phy->dtpr[0]); - 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]); - - return 0; -} diff --git a/arch/arm/mach-uniphier/dram/ddrphy-ph1-sld8.c b/arch/arm/mach-uniphier/dram/ddrphy-ph1-sld8.c deleted file mode 100644 index 6510690..0000000 --- a/arch/arm/mach-uniphier/dram/ddrphy-ph1-sld8.c +++ /dev/null @@ -1,78 +0,0 @@ -/* - * Copyright (C) 2014-2015 Masahiro Yamada <yamada.masahiro@socionext.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <config.h> -#include <linux/types.h> -#include <linux/io.h> - -#include "ddrphy-regs.h" - -int ph1_sld8_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]); - - return 0; -} diff --git a/arch/arm/mach-uniphier/dram/ddrphy-regs.h b/arch/arm/mach-uniphier/dram/ddrphy-regs.h index 03aedc2..87f6d0d 100644 --- a/arch/arm/mach-uniphier/dram/ddrphy-regs.h +++ b/arch/arm/mach-uniphier/dram/ddrphy-regs.h @@ -11,6 +11,7 @@ #include <linux/bitops.h> #include <linux/compiler.h> +#include <linux/types.h> #ifndef __ASSEMBLY__ @@ -169,9 +170,7 @@ struct ddrphy { #define DDRPHY_BASE(ch, phy) (0x5bc01000 + 0x200000 * (ch) + 0x1000 * (phy)) #ifndef __ASSEMBLY__ -int ph1_ld4_ddrphy_init(struct ddrphy __iomem *phy, int freq, int size); -int ph1_pro4_ddrphy_init(struct ddrphy __iomem *phy, int freq, int size); -int ph1_sld8_ddrphy_init(struct ddrphy __iomem *phy, int freq, int size); +int ph1_ld4_ddrphy_init(struct ddrphy __iomem *phy, int freq, bool ddr3plus); void ddrphy_prepare_training(struct ddrphy __iomem *phy, int rank); int ddrphy_training(struct ddrphy __iomem *phy); #endif diff --git a/arch/arm/mach-uniphier/dram/umc-ph1-ld4.c b/arch/arm/mach-uniphier/dram/umc-ph1-ld4.c index ffd7aa9..72447cc 100644 --- a/arch/arm/mach-uniphier/dram/umc-ph1-ld4.c +++ b/arch/arm/mach-uniphier/dram/umc-ph1-ld4.c @@ -8,11 +8,40 @@ #include <linux/err.h> #include <linux/io.h> #include <linux/sizes.h> +#include <asm/processor.h> #include "../init.h" #include "ddrphy-regs.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); @@ -47,130 +76,116 @@ static void umc_start_ssif(void __iomem *ssif_base) writel(0x00000001, ssif_base + UMC_DMDRST); } -static void umc_dramcont_init(void __iomem *dramcont, void __iomem *ca_base, - int size, int freq) +static int umc_dramcont_init(void __iomem *dc_base, void __iomem *ca_base, + int freq, unsigned long size, bool ddr3plus) { - if (freq == 1333) { - writel(0x45990b11, dramcont + UMC_CMDCTLA); - writel(0x16958924, dramcont + UMC_CMDCTLB); - writel(0x5101046A, dramcont + UMC_INITCTLA); - - if (size == 1) - writel(0x27028B0A, dramcont + UMC_INITCTLB); - else if (size == 2) - writel(0x38028B0A, dramcont + UMC_INITCTLB); - - writel(0x000FF0FF, dramcont + UMC_INITCTLC); - writel(0x00000b51, dramcont + UMC_DRMMR0); - } else if (freq == 1600) { - writel(0x36BB0F17, dramcont + UMC_CMDCTLA); - writel(0x18C6AA24, dramcont + UMC_CMDCTLB); - writel(0x5101387F, dramcont + UMC_INITCTLA); - - if (size == 1) - writel(0x2F030D3F, dramcont + UMC_INITCTLB); - else if (size == 2) - writel(0x43030D3F, dramcont + UMC_INITCTLB); - - writel(0x00FF00FF, dramcont + UMC_INITCTLC); - writel(0x00000d71, dramcont + UMC_DRMMR0); - } - - writel(0x00000006, dramcont + UMC_DRMMR1); - - if (freq == 1333) - writel(0x00000290, dramcont + UMC_DRMMR2); - else if (freq == 1600) - writel(0x00000298, dramcont + UMC_DRMMR2); - - writel(0x00000800, dramcont + UMC_DRMMR3); + enum dram_freq freq_e; + enum dram_size size_e; - if (freq == 1333) { - if (size == 1) - writel(0x00240512, dramcont + UMC_SPCCTLA); - else if (size == 2) - writel(0x00350512, dramcont + UMC_SPCCTLA); + if (!ddr3plus) { + pr_err("DDR3 standard is not supported\n"); + return -EINVAL; + } - writel(0x00ff0006, dramcont + UMC_SPCCTLB); - writel(0x000a00ac, dramcont + UMC_RDATACTL_D0); - } else if (freq == 1600) { - if (size == 1) - writel(0x002B0617, dramcont + UMC_SPCCTLA); - else if (size == 2) - writel(0x003F0617, dramcont + UMC_SPCCTLA); + 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(0x00ff0008, dramcont + UMC_SPCCTLB); - writel(0x000c00ae, dramcont + UMC_RDATACTL_D0); + 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(0x04060806, dramcont + UMC_WDATACTL_D0); - writel(0x04a02000, dramcont + UMC_DATASET); + 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, dramcont + UMC_DCCGCTL); - writel(0x00000003, dramcont + 0x7000); - writel(0x0000000f, dramcont + 0x8000); - writel(0x000000c3, dramcont + 0x8004); - writel(0x00000071, dramcont + 0x8008); - writel(0x0000003b, dramcont + UMC_DICGCTLA); - writel(0x020a0808, dramcont + UMC_DICGCTLB); - writel(0x00000004, dramcont + UMC_FLOWCTLG); + 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, dramcont + UMC_FLOWCTLA); - writel(0x00200000, dramcont + UMC_FLOWCTLB); - writel(0x00004444, dramcont + UMC_FLOWCTLC); - writel(0x200a0a00, dramcont + UMC_SPCSETB); - writel(0x00000000, dramcont + UMC_SPCSETD); - writel(0x00000520, dramcont + UMC_DFICUPDCTLA); + 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_init_sub(int freq, int size_ch0, int size_ch1) +static int umc_ch_init(void __iomem *dc_base, void __iomem *ca_base, + int freq, unsigned long size, bool ddr3plus, int ch) { - void __iomem *ssif_base = (void __iomem *)UMC_SSIF_BASE; - void __iomem *ca_base0 = (void __iomem *)UMC_CA_BASE(0); - 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); - umc_dram_init_poll(dramcont0); - umc_dram_init_poll(dramcont1); - - writel(0x00000101, dramcont0 + UMC_DIOCTLA); - - ph1_ld4_ddrphy_init(phy0_0, freq, size_ch0); + void __iomem *phy_base = dc_base + 0x00001000; + int ret; - ddrphy_prepare_training(phy0_0, 0); - ddrphy_training(phy0_0); + writel(UMC_INITSET_INIT1EN, dc_base + UMC_INITSET); + while (readl(dc_base + UMC_INITSET) & UMC_INITSTAT_INIT1ST) + cpu_relax(); - writel(0x00000101, dramcont1 + UMC_DIOCTLA); + writel(0x00000101, dc_base + UMC_DIOCTLA); - ph1_ld4_ddrphy_init(phy1_0, freq, size_ch1); + ret = ph1_ld4_ddrphy_init(phy_base, freq, ddr3plus); + if (ret) + return ret; - 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); - - umc_start_ssif(ssif_base); + ddrphy_prepare_training(phy_base, umc_get_rank(ch)); + ret = ddrphy_training(phy_base); + if (ret) + return ret; - return 0; + return umc_dramcont_init(dc_base, ca_base, freq, size, ddr3plus); } int ph1_ld4_umc_init(const struct uniphier_board_data *bd) { - if ((bd->dram_ch0_size == SZ_128M || bd->dram_ch0_size == SZ_256M) && - (bd->dram_ch1_size == SZ_128M || bd->dram_ch1_size == SZ_256M) && - (bd->dram_freq == 1333 || bd->dram_freq == 1600) && - bd->dram_ch0_width == 16 && bd->dram_ch1_width == 16) { - return umc_init_sub(bd->dram_freq, - bd->dram_ch0_size / SZ_128M, - bd->dram_ch1_size / SZ_128M); - } else { - pr_err("Unsupported DDR configuration\n"); - return -EINVAL; + 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_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/arch/arm/mach-uniphier/dram/umc-ph1-pro4.c b/arch/arm/mach-uniphier/dram/umc-ph1-pro4.c index 261f7cf..23fb7b9 100644 --- a/arch/arm/mach-uniphier/dram/umc-ph1-pro4.c +++ b/arch/arm/mach-uniphier/dram/umc-ph1-pro4.c @@ -8,11 +8,14 @@ #include <linux/err.h> #include <linux/io.h> #include <linux/sizes.h> +#include <asm/processor.h> #include "../init.h" #include "ddrphy-regs.h" #include "umc-regs.h" +#define DRAM_CH_NR 2 + enum dram_size { DRAM_SZ_128M, DRAM_SZ_256M, @@ -20,14 +23,13 @@ enum dram_size { DRAM_SZ_NR, }; -static u32 umc_initctlb[DRAM_SZ_NR] = {0x43030d3f, 0x43030d3f, 0x7b030d3f}; static u32 umc_spcctla[DRAM_SZ_NR] = {0x002b0617, 0x003f0617, 0x00770617}; static void umc_start_ssif(void __iomem *ssif_base) { - writel(0x00000001, ssif_base + 0x0000b004); + writel(0x00000000, ssif_base + 0x0000b004); writel(0xffffffff, ssif_base + 0x0000c004); - writel(0x07ffffff, ssif_base + 0x0000c008); + writel(0x000fffcf, ssif_base + 0x0000c008); writel(0x00000001, ssif_base + 0x0000b000); writel(0x00000001, ssif_base + 0x0000c000); @@ -66,121 +68,117 @@ static void umc_start_ssif(void __iomem *ssif_base) writel(0x00000001, ssif_base + UMC_DMDRST); } -static int umc_dramcont_init(void __iomem *dramcont, void __iomem *ca_base, - int size, int width) +static int umc_dramcont_init(void __iomem *dc_base, void __iomem *ca_base, + int freq, unsigned long size, bool ddr3plus) { - enum dram_size dram_size; + 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 / (width / 16)) { + switch (size) { case SZ_128M: - dram_size = DRAM_SZ_128M; + size_e = DRAM_SZ_128M; break; case SZ_256M: - dram_size = DRAM_SZ_256M; + size_e = DRAM_SZ_256M; break; case SZ_512M: - dram_size = DRAM_SZ_512M; + size_e = DRAM_SZ_512M; break; default: - printf("unsupported DRAM size\n"); + pr_err("unsupported DRAM size 0x%08lx (per 16bit)\n", size); return -EINVAL; } - writel(0x66bb0f17, dramcont + UMC_CMDCTLA); - writel(0x18c6aa44, dramcont + UMC_CMDCTLB); - writel(0x5101387f, dramcont + UMC_INITCTLA); - writel(umc_initctlb[dram_size], dramcont + UMC_INITCTLB); - writel(0x00ff00ff, dramcont + UMC_INITCTLC); - writel(0x00000d71, dramcont + UMC_DRMMR0); - writel(0x00000006, dramcont + UMC_DRMMR1); - writel(0x00000298, dramcont + UMC_DRMMR2); - writel(0x00000000, dramcont + UMC_DRMMR3); - writel(umc_spcctla[dram_size], dramcont + UMC_SPCCTLA); - writel(0x00ff0008, dramcont + UMC_SPCCTLB); - writel(0x000c00ae, dramcont + UMC_RDATACTL_D0); - writel(0x000c00ae, dramcont + UMC_RDATACTL_D1); - writel(0x04060802, dramcont + UMC_WDATACTL_D0); - writel(0x04060802, dramcont + UMC_WDATACTL_D1); - writel(0x04a02000, dramcont + UMC_DATASET); + 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, dramcont + UMC_DCCGCTL); - writel(0x0000000f, dramcont + 0x7000); - writel(0x0000000f, dramcont + 0x8000); - writel(0x000000c3, dramcont + 0x8004); - writel(0x00000071, dramcont + 0x8008); - writel(0x00000004, dramcont + UMC_FLOWCTLG); - writel(0x00000000, dramcont + 0x0060); + 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, dramcont + UMC_FLOWCTLA); - writel(0x00200000, dramcont + UMC_FLOWCTLB); - writel(0x00004444, dramcont + UMC_FLOWCTLC); - writel(0x200a0a00, dramcont + UMC_SPCSETB); - writel(0x00010000, dramcont + UMC_SPCSETD); - writel(0x80000020, dramcont + UMC_DFICUPDCTLA); + 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; } -int ph1_pro4_umc_init(const struct uniphier_board_data *bd) +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 *ssif_base = (void __iomem *)UMC_SSIF_BASE; - void __iomem *ca_base0 = (void __iomem *)UMC_CA_BASE(0); - 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); - int ret; - - if (bd->dram_freq != 1600) { - pr_err("Unsupported DDR configuration\n"); - return -EINVAL; - } - - umc_dram_init_start(dramcont0); - umc_dram_init_start(dramcont1); - umc_dram_init_poll(dramcont0); - umc_dram_init_poll(dramcont1); - - writel(0x00000101, dramcont0 + UMC_DIOCTLA); + void __iomem *phy_base = dc_base + 0x00001000; + int nr_phy = width / 16; + int phy, ret; - ph1_pro4_ddrphy_init(phy0_0, bd->dram_freq, bd->dram_ch0_size); + writel(UMC_INITSET_INIT1EN, dc_base + UMC_INITSET); + while (readl(dc_base + UMC_INITSET) & UMC_INITSTAT_INIT1ST) + cpu_relax(); - ddrphy_prepare_training(phy0_0, 0); - ddrphy_training(phy0_0); + for (phy = 0; phy < nr_phy; phy++) { + writel(0x00000100 | ((1 << (phy + 1)) - 1), + dc_base + UMC_DIOCTLA); - writel(0x00000103, dramcont0 + UMC_DIOCTLA); + ret = ph1_ld4_ddrphy_init(phy_base, freq, ddr3plus); + if (ret) + return ret; - ph1_pro4_ddrphy_init(phy0_1, bd->dram_freq, bd->dram_ch0_size); + ddrphy_prepare_training(phy_base, phy); + ret = ddrphy_training(phy_base); + if (ret) + return ret; - ddrphy_prepare_training(phy0_1, 1); - ddrphy_training(phy0_1); - - writel(0x00000101, dramcont1 + UMC_DIOCTLA); - - ph1_pro4_ddrphy_init(phy1_0, bd->dram_freq, bd->dram_ch1_size); - - ddrphy_prepare_training(phy1_0, 0); - ddrphy_training(phy1_0); - - writel(0x00000103, dramcont1 + UMC_DIOCTLA); - - ph1_pro4_ddrphy_init(phy1_1, bd->dram_freq, bd->dram_ch1_size); - - ddrphy_prepare_training(phy1_1, 1); - ddrphy_training(phy1_1); + phy_base += 0x00001000; + } - ret = umc_dramcont_init(dramcont0, ca_base0, bd->dram_ch0_size, - bd->dram_ch0_width); - if (ret) - return ret; + return umc_dramcont_init(dc_base, ca_base, freq, size / (width / 16), + ddr3plus); +} - ret = umc_dramcont_init(dramcont1, ca_base1, bd->dram_ch1_size, - bd->dram_ch1_width); - if (ret) - return ret; +int ph1_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->dram_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); diff --git a/arch/arm/mach-uniphier/dram/umc-ph1-sld8.c b/arch/arm/mach-uniphier/dram/umc-ph1-sld8.c index 09f9ccf..6cacd25 100644 --- a/arch/arm/mach-uniphier/dram/umc-ph1-sld8.c +++ b/arch/arm/mach-uniphier/dram/umc-ph1-sld8.c @@ -8,11 +8,43 @@ #include <linux/err.h> #include <linux/io.h> #include <linux/sizes.h> +#include <asm/processor.h> #include "../init.h" #include "ddrphy-regs.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); @@ -47,110 +79,116 @@ static void umc_start_ssif(void __iomem *ssif_base) writel(0x00000001, ssif_base + UMC_DMDRST); } -static void umc_dramcont_init(void __iomem *dramcont, void __iomem *ca_base, - int size, int freq) +static int umc_dramcont_init(void __iomem *dc_base, void __iomem *ca_base, + int freq, unsigned long size, bool ddr3plus) { -#ifdef CONFIG_DDR_STANDARD - writel(0x55990b11, dramcont + UMC_CMDCTLA); - writel(0x16958944, dramcont + UMC_CMDCTLB); -#else - writel(0x45990b11, dramcont + UMC_CMDCTLA); - writel(0x16958924, dramcont + UMC_CMDCTLB); -#endif - - writel(0x5101046A, dramcont + UMC_INITCTLA); - - if (size == 1) - writel(0x27028B0A, dramcont + UMC_INITCTLB); - else if (size == 2) - writel(0x38028B0A, dramcont + UMC_INITCTLB); - - writel(0x00FF00FF, dramcont + UMC_INITCTLC); - writel(0x00000b51, dramcont + UMC_DRMMR0); - writel(0x00000006, dramcont + UMC_DRMMR1); - writel(0x00000290, dramcont + UMC_DRMMR2); - -#ifdef CONFIG_DDR_STANDARD - writel(0x00000000, dramcont + UMC_DRMMR3); -#else - writel(0x00000800, dramcont + UMC_DRMMR3); -#endif - - if (size == 1) - writel(0x00240512, dramcont + UMC_SPCCTLA); - else if (size == 2) - writel(0x00350512, dramcont + UMC_SPCCTLA); - - writel(0x00ff0006, dramcont + UMC_SPCCTLB); - writel(0x000a00ac, dramcont + UMC_RDATACTL_D0); - writel(0x04060806, dramcont + UMC_WDATACTL_D0); - writel(0x04a02000, dramcont + UMC_DATASET); + 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, dramcont + UMC_DCCGCTL); - writel(0x00000003, dramcont + 0x7000); - writel(0x0000004f, dramcont + 0x8000); - writel(0x000000c3, dramcont + 0x8004); - writel(0x00000077, dramcont + 0x8008); - writel(0x0000003b, dramcont + UMC_DICGCTLA); - writel(0x020a0808, dramcont + UMC_DICGCTLB); - writel(0x00000004, dramcont + UMC_FLOWCTLG); + 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, dramcont + UMC_FLOWCTLA); - writel(0x00200000, dramcont + UMC_FLOWCTLB); - writel(0x00004444, dramcont + UMC_FLOWCTLC); - writel(0x200a0a00, dramcont + UMC_SPCSETB); - writel(0x00000000, dramcont + UMC_SPCSETD); - writel(0x00000520, dramcont + UMC_DFICUPDCTLA); + 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_init_sub(int freq, int size_ch0, int size_ch1) +static int umc_ch_init(void __iomem *dc_base, void __iomem *ca_base, + int freq, unsigned long size, bool ddr3plus, int ch) { - void __iomem *ssif_base = (void __iomem *)UMC_SSIF_BASE; - void __iomem *ca_base0 = (void __iomem *)UMC_CA_BASE(0); - 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); - umc_dram_init_poll(dramcont0); - umc_dram_init_poll(dramcont1); + void __iomem *phy_base = dc_base + 0x00001000; + int ret; - writel(0x00000101, dramcont0 + UMC_DIOCTLA); + writel(UMC_INITSET_INIT1EN, dc_base + UMC_INITSET); + while (readl(dc_base + UMC_INITSET) & UMC_INITSTAT_INIT1ST) + cpu_relax(); - ph1_sld8_ddrphy_init(phy0_0, freq, size_ch0); + writel(0x00000101, dc_base + UMC_DIOCTLA); - ddrphy_prepare_training(phy0_0, 0); - ddrphy_training(phy0_0); + ret = ph1_ld4_ddrphy_init(phy_base, freq, ddr3plus); + if (ret) + return ret; - writel(0x00000101, dramcont1 + UMC_DIOCTLA); + ddrphy_prepare_training(phy_base, umc_get_rank(ch)); + ret = ddrphy_training(phy_base); + if (ret) + return ret; - ph1_sld8_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); - - umc_start_ssif(ssif_base); - - return 0; + return umc_dramcont_init(dc_base, ca_base, freq, size, ddr3plus); } int ph1_sld8_umc_init(const struct uniphier_board_data *bd) { - if ((bd->dram_ch0_size == SZ_128M || bd->dram_ch0_size == SZ_256M) && - (bd->dram_ch1_size == SZ_128M || bd->dram_ch1_size == SZ_256M) && - bd->dram_freq == 1333 && - bd->dram_ch0_width == 16 && bd->dram_ch1_width == 16) { - return umc_init_sub(bd->dram_freq, - bd->dram_ch0_size / SZ_128M, - bd->dram_ch1_size / SZ_128M); - } else { - pr_err("Unsupported DDR configuration\n"); - return -EINVAL; + 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_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/arch/arm/mach-uniphier/dram/umc-proxstream2.c b/arch/arm/mach-uniphier/dram/umc-proxstream2.c index 6e7fa88..50c0238 100644 --- a/arch/arm/mach-uniphier/dram/umc-proxstream2.c +++ b/arch/arm/mach-uniphier/dram/umc-proxstream2.c @@ -18,46 +18,45 @@ #include "ddrmphy-regs.h" #include "umc-regs.h" -#define CH_NR 3 +#define DRAM_CH_NR 3 enum dram_freq { - FREQ_1866M, - FREQ_2133M, - FREQ_NR, + DRAM_FREQ_1866M, + DRAM_FREQ_2133M, + DRAM_FREQ_NR, }; enum dram_size { - SIZE_0, - SIZE_512M, - SIZE_1G, - SIZE_NR, + DRAM_SZ_256M, + DRAM_SZ_512M, + DRAM_SZ_NR, }; -static u32 ddrphy_pgcr2[FREQ_NR] = {0x00FC7E5D, 0x00FC90AB}; -static u32 ddrphy_ptr0[FREQ_NR] = {0x0EA09205, 0x10C0A6C6}; -static u32 ddrphy_ptr1[FREQ_NR] = {0x0DAC041B, 0x0FA104B1}; -static u32 ddrphy_ptr3[FREQ_NR] = {0x15171e45, 0x18182357}; -static u32 ddrphy_ptr4[FREQ_NR] = {0x0e9ad8e9, 0x10b34157}; -static u32 ddrphy_dtpr0[FREQ_NR] = {0x35a00d88, 0x39e40e88}; -static u32 ddrphy_dtpr1[FREQ_NR] = {0x2288cc2c, 0x228a04d0}; -static u32 ddrphy_dtpr2[FREQ_NR] = {0x50005e00, 0x50006a00}; -static u32 ddrphy_dtpr3[FREQ_NR] = {0x0010cb49, 0x0010ec89}; -static u32 ddrphy_mr0[FREQ_NR] = {0x00000115, 0x00000125}; -static u32 ddrphy_mr2[FREQ_NR] = {0x000002a0, 0x000002a8}; +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[CH_NR] = {0x0000000c, 0x0000000c, 0x00000009}; +static u32 ddrphy_acbdlr0[DRAM_CH_NR] = {0x0000000c, 0x0000000c, 0x00000009}; -static u32 umc_cmdctla[FREQ_NR] = {0x66DD131D, 0x77EE1722}; +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[FREQ_NR] = {0x13E87C44, 0x18F88C44}; -static u32 umc_cmdctlb_ch2[FREQ_NR] = {0x19E8DC44, 0x1EF8EC44}; -static u32 umc_spcctla[FREQ_NR][SIZE_NR] = { - {0x00000000, 0x004A071D, 0x0078071D}, - {0x00000000, 0x0055081E, 0x0089081E}, +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}; @@ -344,7 +343,7 @@ static int __ddrphy_training(void __iomem *phy_base, do { if (--timeout < 0) { - printf("%s: error: timeout during DDR training\n", + pr_err("%s: error: timeout during DDR training\n", __func__); return -ETIMEDOUT; } @@ -354,7 +353,7 @@ static int __ddrphy_training(void __iomem *phy_base, for (s = seq; s->description; s++) { if (pgsr0 & s->err_flag) { - printf("%s: error: %s failed\n", __func__, + pr_err("%s: error: %s failed\n", __func__, s->description); return -EIO; } @@ -405,12 +404,12 @@ static int ddrphy_training(void __iomem *phy_base) } /* UMC */ -static void umc_set_system_latency(void __iomem *umc_dc_base, int phy_latency) +static void umc_set_system_latency(void __iomem *dc_base, int phy_latency) { u32 val; int latency; - val = readl(umc_dc_base + UMC_RDATACTL_D0); + 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; @@ -428,18 +427,18 @@ static void umc_set_system_latency(void __iomem *umc_dc_base, int phy_latency) val |= latency << UMC_RDATACTL_RADLTY_SHIFT; } - writel(val, umc_dc_base + UMC_RDATACTL_D0); - writel(val, umc_dc_base + UMC_RDATACTL_D1); + writel(val, dc_base + UMC_RDATACTL_D0); + writel(val, dc_base + UMC_RDATACTL_D1); - readl(umc_dc_base + UMC_RDATACTL_D1); /* relax */ + readl(dc_base + UMC_RDATACTL_D1); /* relax */ } /* enable/disable auto refresh */ -void umc_refresh_ctrl(void __iomem *umc_dc_base, int enable) +void umc_refresh_ctrl(void __iomem *dc_base, int enable) { u32 tmp; - tmp = readl(umc_dc_base + UMC_SPCSETB); + tmp = readl(dc_base + UMC_SPCSETB); tmp &= ~UMC_SPCSETB_AREFMD_MASK; if (enable) @@ -447,7 +446,7 @@ void umc_refresh_ctrl(void __iomem *umc_dc_base, int enable) else tmp |= UMC_SPCSETB_AREFMD_REG; - writel(tmp, umc_dc_base + UMC_SPCSETB); + writel(tmp, dc_base + UMC_SPCSETB); udelay(1); } @@ -459,20 +458,35 @@ static void umc_ud_init(void __iomem *umc_base, int ch) writel(0x00000033, umc_base + UMC_PAIR1DOFF_D0); } -static void umc_dc_init(void __iomem *umc_dc_base, enum dram_freq freq, - enum dram_size size, int ch, int width) +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; - writel(umc_cmdctla[freq], umc_dc_base + UMC_CMDCTLA); + 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], - umc_dc_base + UMC_CMDCTLB); + dc_base + UMC_CMDCTLB); - writel(umc_spcctla[freq][size / (width / 16)], - umc_dc_base + UMC_SPCCTLA); - writel(umc_spcctlb[freq], umc_dc_base + UMC_SPCCTLB); + writel(umc_spcctla[freq][size_e], dc_base + UMC_SPCCTLA); + writel(umc_spcctlb[freq], dc_base + UMC_SPCCTLB); val = 0x000e000e; latency = 12; @@ -487,54 +501,56 @@ static void umc_dc_init(void __iomem *umc_dc_base, enum dram_freq freq, val |= latency << UMC_RDATACTL_RADLTY_SHIFT; } - writel(val, umc_dc_base + UMC_RDATACTL_D0); + writel(val, dc_base + UMC_RDATACTL_D0); if (width >= 32) - writel(val, umc_dc_base + UMC_RDATACTL_D1); + writel(val, dc_base + UMC_RDATACTL_D1); - writel(0x04060A02, umc_dc_base + UMC_WDATACTL_D0); + writel(0x04060A02, dc_base + UMC_WDATACTL_D0); if (width >= 32) - writel(0x04060A02, umc_dc_base + UMC_WDATACTL_D1); - writel(0x04000000, umc_dc_base + UMC_DATASET); - writel(0x00400020, umc_dc_base + UMC_DCCGCTL); - writel(0x00000084, umc_dc_base + UMC_FLOWCTLG); - writel(0x00000000, umc_dc_base + UMC_ACSSETA); + 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], - umc_dc_base + UMC_FLOWCTLA); + dc_base + UMC_FLOWCTLA); - writel(0x00004400, umc_dc_base + UMC_FLOWCTLC); - writel(0x200A0A00, umc_dc_base + UMC_SPCSETB); - writel(0x00000520, umc_dc_base + UMC_DFICUPDCTLA); - writel(0x0000000D, umc_dc_base + UMC_RESPCTL); + 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, umc_dc_base + UMC_FLOWCTLB); - writel(0xFDBFFFFF, umc_dc_base + UMC_FLOWCTLOB0); - writel(0xFFFFFFFF, umc_dc_base + UMC_FLOWCTLOB1); - writel(0x00080700, umc_dc_base + UMC_BSICMAPSET); + 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, umc_dc_base + UMC_FLOWCTLB); - writel(0x00000000, umc_dc_base + UMC_BSICMAPSET); + writel(0x00200000, dc_base + UMC_FLOWCTLB); + writel(0x00000000, dc_base + UMC_BSICMAPSET); } - writel(0x00000000, umc_dc_base + UMC_ERRMASKA); - writel(0x00000000, umc_dc_base + UMC_ERRMASKB); + writel(0x00000000, dc_base + UMC_ERRMASKA); + writel(0x00000000, dc_base + UMC_ERRMASKB); + + return 0; } -static int umc_init(void __iomem *umc_base, enum dram_freq freq, int ch, - enum dram_size size, int width) +static int umc_ch_init(void __iomem *umc_ch_base, enum dram_freq freq, + unsigned long size, unsigned int width, int ch) { - void __iomem *umc_dc_base = umc_base + 0x00011000; - void __iomem *phy_base = umc_base + 0x00030000; + void __iomem *dc_base = umc_ch_base + 0x00011000; + void __iomem *phy_base = umc_ch_base + 0x00030000; int ret; - writel(0x00000002, umc_dc_base + UMC_INITSET); - while (readl(umc_dc_base + UMC_INITSTAT) & BIT(2)) + 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, - umc_dc_base + UMC_DIOCTLA); + dc_base + UMC_DIOCTLA); ddrphy_init(phy_base, freq, width, ch); @@ -546,28 +562,28 @@ static int umc_init(void __iomem *umc_base, enum dram_freq freq, int ch, if (ret) return ret; - umc_dc_init(umc_dc_base, freq, size, ch, width); + ret = umc_dc_init(dc_base, freq, size, width, ch); + if (ret) + return ret; - umc_ud_init(umc_base, ch); + umc_ud_init(umc_ch_base, ch); - if (size) { - ret = ddrphy_training(phy_base); - if (ret) - return ret; - } + ret = ddrphy_training(phy_base); + if (ret) + return ret; udelay(1); /* match the system latency between UMC and PHY */ - umc_set_system_latency(umc_dc_base, + 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(umc_dc_base, 0); + umc_refresh_ctrl(dc_base, 0); ddrphy_fifo_reset(phy_base); - umc_refresh_ctrl(umc_dc_base, 1); + umc_refresh_ctrl(dc_base, 1); udelay(10); @@ -585,43 +601,34 @@ static void um_init(void __iomem *um_base) int proxstream2_umc_init(const struct uniphier_board_data *bd) { void __iomem *um_base = (void __iomem *)0x5b600000; - void __iomem *umc_ch0_base = (void __iomem *)0x5b800000; - void __iomem *umc_ch1_base = (void __iomem *)0x5ba00000; - void __iomem *umc_ch2_base = (void __iomem *)0x5bc00000; + void __iomem *umc_ch_base = (void __iomem *)0x5b800000; enum dram_freq freq; - int ret; + int ch, ret; switch (bd->dram_freq) { case 1866: - freq = FREQ_1866M; + freq = DRAM_FREQ_1866M; break; case 2133: - freq = FREQ_2133M; + freq = DRAM_FREQ_2133M; break; default: - printf("unsupported DRAM frequency %d MHz\n", bd->dram_freq); + pr_err("unsupported DRAM frequency %d MHz\n", bd->dram_freq); return -EINVAL; } - ret = umc_init(umc_ch0_base, freq, 0, bd->dram_ch0_size / SZ_256M, - bd->dram_ch0_width); - if (ret) { - printf("failed to initialize UMC ch0\n"); - return ret; - } + for (ch = 0; ch < bd->dram_nr_ch; ch++) { + unsigned long size = bd->dram_ch[ch].size; + unsigned int width = bd->dram_ch[ch].width; - ret = umc_init(umc_ch1_base, freq, 1, bd->dram_ch1_size / SZ_256M, - bd->dram_ch1_width); - if (ret) { - printf("failed to initialize UMC ch1\n"); - return ret; - } + 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; + } - ret = umc_init(umc_ch2_base, freq, 2, bd->dram_ch2_size / SZ_256M, - bd->dram_ch2_width); - if (ret) { - printf("failed to initialize UMC ch2\n"); - return ret; + umc_ch_base += 0x00200000; } um_init(um_base); diff --git a/arch/arm/mach-uniphier/dram/umc-regs.h b/arch/arm/mach-uniphier/dram/umc-regs.h index a6957a4..cc2dd27 100644 --- a/arch/arm/mach-uniphier/dram/umc-regs.h +++ b/arch/arm/mach-uniphier/dram/umc-regs.h @@ -9,10 +9,7 @@ #ifndef ARCH_UMC_REGS_H #define ARCH_UMC_REGS_H -#define UMC_BASE 0x5b800000 - -/* SSIF registers */ -#define UMC_SSIF_BASE UMC_BASE +#include <linux/bitops.h> #define UMC_CPURST 0x00000700 #define UMC_IDSRST 0x0000070C @@ -48,23 +45,14 @@ #define UMC_CLKEN_SSIF_RC 0x0000C080 #define UMC_CLKEN_SSIF_DST 0x0000C084 -/* CA registers */ -#define UMC_CA_BASE(ch) (UMC_BASE + 0x00001000 + 0x00001000 * (ch)) - -/* DRAM controller registers */ -#define UMC_DRAMCONT_BASE(ch) (UMC_BASE + 0x00400000 + 0x00200000 * (ch)) - #define UMC_CMDCTLA 0x00000000 #define UMC_CMDCTLB 0x00000004 -#define UMC_INITCTLA 0x00000008 -#define UMC_INITCTLB 0x0000000C -#define UMC_INITCTLC 0x00000010 #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_DRMMR0 0x0000001C -#define UMC_DRMMR1 0x00000020 -#define UMC_DRMMR2 0x00000024 -#define UMC_DRMMR3 0x00000028 +#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 @@ -116,30 +104,4 @@ #define UMC_BITPERPIXELMODE_D0 0x010 #define UMC_PAIR1DOFF_D0 0x054 -#ifndef __ASSEMBLY__ - -#include <linux/types.h> - -static inline void umc_polling(u32 address, u32 expval, u32 mask) -{ - u32 nmask = ~mask; - u32 data; - do { - data = readl(address) & nmask; - } while (data != expval); -} - -static inline void umc_dram_init_start(void __iomem *dramcont) -{ - writel(0x00000002, dramcont + UMC_INITSET); -} - -static inline void umc_dram_init_poll(void __iomem *dramcont) -{ - while ((readl(dramcont + UMC_INITSTAT) & 0x00000002)) - ; -} - -#endif - #endif |