diff options
Diffstat (limited to 'arch/arm/mach-rockchip/rk3399/sdram_rk3399.c')
| -rw-r--r-- | arch/arm/mach-rockchip/rk3399/sdram_rk3399.c | 94 |
1 files changed, 4 insertions, 90 deletions
diff --git a/arch/arm/mach-rockchip/rk3399/sdram_rk3399.c b/arch/arm/mach-rockchip/rk3399/sdram_rk3399.c index aae17d54a6..63342ab5c9 100644 --- a/arch/arm/mach-rockchip/rk3399/sdram_rk3399.c +++ b/arch/arm/mach-rockchip/rk3399/sdram_rk3399.c @@ -15,6 +15,7 @@ #include <syscon.h> #include <asm/io.h> #include <asm/arch/clock.h> +#include <asm/arch/sdram_common.h> #include <asm/arch/sdram_rk3399.h> #include <asm/arch/cru_rk3399.h> #include <asm/arch/grf_rk3399.h> @@ -43,50 +44,6 @@ struct dram_info { struct rk3399_pmugrf_regs *pmugrf; }; -/* - * sys_reg bitfield struct - * [31] row_3_4_ch1 - * [30] row_3_4_ch0 - * [29:28] chinfo - * [27] rank_ch1 - * [26:25] col_ch1 - * [24] bk_ch1 - * [23:22] cs0_row_ch1 - * [21:20] cs1_row_ch1 - * [19:18] bw_ch1 - * [17:16] dbw_ch1; - * [15:13] ddrtype - * [12] channelnum - * [11] rank_ch0 - * [10:9] col_ch0 - * [8] bk_ch0 - * [7:6] cs0_row_ch0 - * [5:4] cs1_row_ch0 - * [3:2] bw_ch0 - * [1:0] dbw_ch0 -*/ -#define SYS_REG_DDRTYPE_SHIFT 13 -#define SYS_REG_DDRTYPE_MASK 7 -#define SYS_REG_NUM_CH_SHIFT 12 -#define SYS_REG_NUM_CH_MASK 1 -#define SYS_REG_ROW_3_4_SHIFT(ch) (30 + (ch)) -#define SYS_REG_ROW_3_4_MASK 1 -#define SYS_REG_CHINFO_SHIFT(ch) (28 + (ch)) -#define SYS_REG_RANK_SHIFT(ch) (11 + (ch) * 16) -#define SYS_REG_RANK_MASK 1 -#define SYS_REG_COL_SHIFT(ch) (9 + (ch) * 16) -#define SYS_REG_COL_MASK 3 -#define SYS_REG_BK_SHIFT(ch) (8 + (ch) * 16) -#define SYS_REG_BK_MASK 1 -#define SYS_REG_CS0_ROW_SHIFT(ch) (6 + (ch) * 16) -#define SYS_REG_CS0_ROW_MASK 3 -#define SYS_REG_CS1_ROW_SHIFT(ch) (4 + (ch) * 16) -#define SYS_REG_CS1_ROW_MASK 3 -#define SYS_REG_BW_SHIFT(ch) (2 + (ch) * 16) -#define SYS_REG_BW_MASK 3 -#define SYS_REG_DBW_SHIFT(ch) ((ch) * 16) -#define SYS_REG_DBW_MASK 3 - #define PRESET_SGRF_HOLD(n) ((0x1 << (6 + 16)) | ((n) << 6)) #define PRESET_GPIO0_HOLD(n) ((0x1 << (7 + 16)) | ((n) << 7)) #define PRESET_GPIO1_HOLD(n) ((0x1 << (8 + 16)) | ((n) << 8)) @@ -1229,50 +1186,6 @@ static int rk3399_dmc_init(struct udevice *dev) } #endif -size_t sdram_size_mb(struct dram_info *dram) -{ - u32 rank, col, bk, cs0_row, cs1_row, bw, row_3_4; - size_t chipsize_mb = 0; - size_t size_mb = 0; - u32 ch; - - u32 sys_reg = readl(&dram->pmugrf->os_reg2); - u32 ch_num = 1 + ((sys_reg >> SYS_REG_NUM_CH_SHIFT) - & SYS_REG_NUM_CH_MASK); - - for (ch = 0; ch < ch_num; ch++) { - rank = 1 + (sys_reg >> SYS_REG_RANK_SHIFT(ch) & - SYS_REG_RANK_MASK); - col = 9 + (sys_reg >> SYS_REG_COL_SHIFT(ch) & SYS_REG_COL_MASK); - bk = 3 - ((sys_reg >> SYS_REG_BK_SHIFT(ch)) & SYS_REG_BK_MASK); - cs0_row = 13 + (sys_reg >> SYS_REG_CS0_ROW_SHIFT(ch) & - SYS_REG_CS0_ROW_MASK); - cs1_row = 13 + (sys_reg >> SYS_REG_CS1_ROW_SHIFT(ch) & - SYS_REG_CS1_ROW_MASK); - bw = (2 >> ((sys_reg >> SYS_REG_BW_SHIFT(ch)) & - SYS_REG_BW_MASK)); - row_3_4 = sys_reg >> SYS_REG_ROW_3_4_SHIFT(ch) & - SYS_REG_ROW_3_4_MASK; - - chipsize_mb = (1 << (cs0_row + col + bk + bw - 20)); - - if (rank > 1) - chipsize_mb += chipsize_mb >> (cs0_row - cs1_row); - if (row_3_4) - chipsize_mb = chipsize_mb * 3 / 4; - size_mb += chipsize_mb; - } - - /* - * we use the 0x00000000~0xf7ffffff space - * since 0xf8000000~0xffffffff is soc register space - * so we reserve it - */ - size_mb = min_t(size_t, size_mb, 0xf8000000/(1<<20)); - - return size_mb; -} - static int rk3399_dmc_probe(struct udevice *dev) { #ifdef CONFIG_SPL_BUILD @@ -1283,8 +1196,9 @@ static int rk3399_dmc_probe(struct udevice *dev) priv->pmugrf = syscon_get_first_range(ROCKCHIP_SYSCON_PMUGRF); debug("%s: pmugrf=%p\n", __func__, priv->pmugrf); - priv->info.base = 0; - priv->info.size = sdram_size_mb(priv) << 20; + priv->info.base = CONFIG_SYS_SDRAM_BASE; + priv->info.size = rockchip_sdram_size( + (phys_addr_t)&priv->pmugrf->os_reg2); #endif return 0; } |