diff options
Diffstat (limited to 'arch/arm/mach-rockchip/rk3188/sdram_rk3188.c')
| -rw-r--r-- | arch/arm/mach-rockchip/rk3188/sdram_rk3188.c | 82 |
1 files changed, 20 insertions, 62 deletions
diff --git a/arch/arm/mach-rockchip/rk3188/sdram_rk3188.c b/arch/arm/mach-rockchip/rk3188/sdram_rk3188.c index 946a9f1..9d8b225 100644 --- a/arch/arm/mach-rockchip/rk3188/sdram_rk3188.c +++ b/arch/arm/mach-rockchip/rk3188/sdram_rk3188.c @@ -22,6 +22,7 @@ #include <asm/arch/grf_rk3188.h> #include <asm/arch/pmu_rk3188.h> #include <asm/arch/sdram.h> +#include <asm/arch/sdram_common.h> #include <linux/err.h> DECLARE_GLOBAL_DATA_PTR; @@ -796,49 +797,7 @@ error: printf("DRAM init failed!\n"); hang(); } -#endif /* CONFIG_SPL_BUILD */ - -size_t sdram_size_mb(struct rk3188_pmu *pmu) -{ - 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(&pmu->sys_reg[2]); - u32 chans; - - chans = 1 + ((sys_reg >> SYS_REG_NUM_CH_SHIFT) & SYS_REG_NUM_CH_MASK); - - for (ch = 0; ch < chans; 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; - } - - /* there can be no more than 2gb of memory */ - size_mb = min(size_mb, 0x80000000 >> 20); - - return size_mb; -} -#ifdef CONFIG_SPL_BUILD static int setup_sdram(struct udevice *dev) { struct dram_info *priv = dev_get_priv(dev); @@ -851,29 +810,27 @@ static int rk3188_dmc_ofdata_to_platdata(struct udevice *dev) { #if !CONFIG_IS_ENABLED(OF_PLATDATA) struct rk3188_sdram_params *params = dev_get_platdata(dev); - const void *blob = gd->fdt_blob; - int node = dev_of_offset(dev); int ret; /* rk3188 supports only one-channel */ params->num_channels = 1; - ret = fdtdec_get_int_array(blob, node, "rockchip,pctl-timing", - (u32 *)¶ms->pctl_timing, - sizeof(params->pctl_timing) / sizeof(u32)); + ret = dev_read_u32_array(dev, "rockchip,pctl-timing", + (u32 *)¶ms->pctl_timing, + sizeof(params->pctl_timing) / sizeof(u32)); if (ret) { printf("%s: Cannot read rockchip,pctl-timing\n", __func__); return -EINVAL; } - ret = fdtdec_get_int_array(blob, node, "rockchip,phy-timing", - (u32 *)¶ms->phy_timing, - sizeof(params->phy_timing) / sizeof(u32)); + ret = dev_read_u32_array(dev, "rockchip,phy-timing", + (u32 *)¶ms->phy_timing, + sizeof(params->phy_timing) / sizeof(u32)); if (ret) { printf("%s: Cannot read rockchip,phy-timing\n", __func__); return -EINVAL; } - ret = fdtdec_get_int_array(blob, node, "rockchip,sdram-params", - (u32 *)¶ms->base, - sizeof(params->base) / sizeof(u32)); + ret = dev_read_u32_array(dev, "rockchip,sdram-params", + (u32 *)¶ms->base, + sizeof(params->base) / sizeof(u32)); if (ret) { printf("%s: Cannot read rockchip,sdram-params\n", __func__); return -EINVAL; @@ -915,12 +872,15 @@ static int rk3188_dmc_probe(struct udevice *dev) { #ifdef CONFIG_SPL_BUILD struct rk3188_sdram_params *plat = dev_get_platdata(dev); -#endif - struct dram_info *priv = dev_get_priv(dev); struct regmap *map; - int ret; struct udevice *dev_clk; + int ret; +#endif + struct dram_info *priv = dev_get_priv(dev); + + priv->pmu = syscon_get_first_range(ROCKCHIP_SYSCON_PMU); +#ifdef CONFIG_SPL_BUILD #if CONFIG_IS_ENABLED(OF_PLATDATA) ret = conv_of_platdata(dev); if (ret) @@ -932,12 +892,9 @@ static int rk3188_dmc_probe(struct udevice *dev) priv->chan[0].msch = regmap_get_range(map, 0); priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF); - priv->pmu = syscon_get_first_range(ROCKCHIP_SYSCON_PMU); -#ifdef CONFIG_SPL_BUILD priv->chan[0].pctl = regmap_get_range(plat->map, 0); priv->chan[0].publ = regmap_get_range(plat->map, 1); -#endif ret = rockchip_get_clk(&dev_clk); if (ret) @@ -950,13 +907,14 @@ static int rk3188_dmc_probe(struct udevice *dev) priv->cru = rockchip_get_cru(); if (IS_ERR(priv->cru)) return PTR_ERR(priv->cru); -#ifdef CONFIG_SPL_BUILD ret = setup_sdram(dev); if (ret) return ret; -#endif +#else priv->info.base = CONFIG_SYS_SDRAM_BASE; - priv->info.size = sdram_size_mb(priv->pmu) << 20; + priv->info.size = rockchip_sdram_size( + (phys_addr_t)&priv->pmu->sys_reg[2]); +#endif return 0; } |