diff options
Diffstat (limited to 'arch/arm/mach-uniphier/ph1-sld8/umc_init.c')
| -rw-r--r-- | arch/arm/mach-uniphier/ph1-sld8/umc_init.c | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/arch/arm/mach-uniphier/ph1-sld8/umc_init.c b/arch/arm/mach-uniphier/ph1-sld8/umc_init.c deleted file mode 100644 index 7baea7e..0000000 --- a/arch/arm/mach-uniphier/ph1-sld8/umc_init.c +++ /dev/null @@ -1,151 +0,0 @@ -/* - * Copyright (C) 2011-2015 Masahiro Yamada <yamada.masahiro@socionext.com> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <linux/io.h> -#include <mach/umc-regs.h> -#include <mach/ddrphy-regs.h> - -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 void umc_dramcont_init(void __iomem *dramcont, void __iomem *ca_base, - int size, int freq) -{ -#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); - 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(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); -} - -static int umc_init_sub(int freq, int size_ch0, int size_ch1) -{ - 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); - - 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); - - umc_start_ssif(ssif_base); - - return 0; -} - -int umc_init(void) -{ - return umc_init_sub(CONFIG_DDR_FREQ, CONFIG_SDRAM0_SIZE / 0x08000000, - CONFIG_SDRAM1_SIZE / 0x08000000); -} - -#if (CONFIG_SDRAM0_SIZE == 0x08000000 || CONFIG_SDRAM0_SIZE == 0x10000000) && \ - (CONFIG_SDRAM1_SIZE == 0x08000000 || CONFIG_SDRAM1_SIZE == 0x10000000) && \ - CONFIG_DDR_NUM_CH0 == 1 && CONFIG_DDR_NUM_CH1 == 1 -/* OK */ -#else -#error Unsupported DDR configuration. -#endif |