diff options
Diffstat (limited to 'arch/arm/mach-rockchip/rk3288/sdram_rk3288.c')
-rw-r--r-- | arch/arm/mach-rockchip/rk3288/sdram_rk3288.c | 130 |
1 files changed, 101 insertions, 29 deletions
diff --git a/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c b/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c index 55ac73e9d2..b36b6afcd9 100644 --- a/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c +++ b/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c @@ -10,6 +10,7 @@ #include <common.h> #include <clk.h> #include <dm.h> +#include <dt-structs.h> #include <errno.h> #include <ram.h> #include <regmap.h> @@ -41,6 +42,19 @@ struct dram_info { struct rk3288_grf *grf; struct rk3288_sgrf *sgrf; struct rk3288_pmu *pmu; + bool is_veyron; +}; + +struct rk3288_sdram_params { +#if CONFIG_IS_ENABLED(OF_PLATDATA) + struct dtd_rockchip_rk3288_dmc of_plat; +#endif + struct rk3288_sdram_channel ch[2]; + struct rk3288_sdram_pctl_timing pctl_timing; + struct rk3288_sdram_phy_timing phy_timing; + struct rk3288_base_params base; + int num_channels; + struct regmap *map; }; #ifdef CONFIG_SPL_BUILD @@ -703,7 +717,7 @@ static int sdram_init(struct dram_info *dram, return 0; } -#endif +#endif /* CONFIG_SPL_BUILD */ size_t sdram_size_mb(struct rk3288_pmu *pmu) { @@ -779,18 +793,36 @@ static int veyron_init(struct dram_info *priv) static int setup_sdram(struct udevice *dev) { struct dram_info *priv = dev_get_priv(dev); - struct rk3288_sdram_params params; + struct rk3288_sdram_params *params = dev_get_platdata(dev); + +# ifdef CONFIG_ROCKCHIP_FAST_SPL + if (priv->is_veyron) { + int ret; + + ret = veyron_init(priv); + if (ret) + return ret; + } +# endif + + return sdram_init(priv, params); +} + +static int rk3288_dmc_ofdata_to_platdata(struct udevice *dev) +{ +#if !CONFIG_IS_ENABLED(OF_PLATDATA) + struct rk3288_sdram_params *params = dev_get_platdata(dev); const void *blob = gd->fdt_blob; int node = dev->of_offset; int i, ret; - params.num_channels = fdtdec_get_int(blob, node, - "rockchip,num-channels", 1); - for (i = 0; i < params.num_channels; i++) { + params->num_channels = fdtdec_get_int(blob, node, + "rockchip,num-channels", 1); + for (i = 0; i < params->num_channels; i++) { ret = fdtdec_get_byte_array(blob, node, "rockchip,sdram-channel", - (u8 *)¶ms.ch[i], - sizeof(params.ch[i])); + (u8 *)¶ms->ch[i], + sizeof(params->ch[i])); if (ret) { debug("%s: Cannot read rockchip,sdram-channel\n", __func__); @@ -798,46 +830,82 @@ static int setup_sdram(struct udevice *dev) } } ret = fdtdec_get_int_array(blob, node, "rockchip,pctl-timing", - (u32 *)¶ms.pctl_timing, - sizeof(params.pctl_timing) / sizeof(u32)); + (u32 *)¶ms->pctl_timing, + sizeof(params->pctl_timing) / sizeof(u32)); if (ret) { debug("%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)); + (u32 *)¶ms->phy_timing, + sizeof(params->phy_timing) / sizeof(u32)); if (ret) { debug("%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)); + (u32 *)¶ms->base, + sizeof(params->base) / sizeof(u32)); if (ret) { debug("%s: Cannot read rockchip,sdram-params\n", __func__); return -EINVAL; } +#ifdef CONFIG_ROCKCHIP_FAST_SPL + struct dram_info *priv = dev_get_priv(dev); -# ifdef CONFIG_ROCKCHIP_FAST_SPL - if (!fdt_node_check_compatible(blob, 0, "google,veyron")) { - ret = veyron_init(priv); - if (ret) - return ret; + priv->is_veyron = !fdt_node_check_compatible(blob, 0, "google,veyron"); +#endif + ret = regmap_init_mem(dev, ¶ms->map); + if (ret) + return ret; +#endif + + return 0; +} +#endif /* CONFIG_SPL_BUILD */ + +#if CONFIG_IS_ENABLED(OF_PLATDATA) +static int conv_of_platdata(struct udevice *dev) +{ + struct rk3288_sdram_params *plat = dev_get_platdata(dev); + struct dtd_rockchip_rk3288_dmc *of_plat = &plat->of_plat; + int i, ret; + + for (i = 0; i < 2; i++) { + memcpy(&plat->ch[i], of_plat->rockchip_sdram_channel, + sizeof(plat->ch[i])); } -# endif + memcpy(&plat->pctl_timing, of_plat->rockchip_pctl_timing, + sizeof(plat->pctl_timing)); + memcpy(&plat->phy_timing, of_plat->rockchip_phy_timing, + sizeof(plat->phy_timing)); + memcpy(&plat->base, of_plat->rockchip_sdram_params, sizeof(plat->base)); + plat->num_channels = of_plat->rockchip_num_channels; + ret = regmap_init_mem_platdata(dev, of_plat->reg, + ARRAY_SIZE(of_plat->reg) / 2, + &plat->map); + if (ret) + return ret; - return sdram_init(priv, ¶ms); + return 0; } #endif static int rk3288_dmc_probe(struct udevice *dev) { +#ifdef CONFIG_SPL_BUILD + struct rk3288_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; +#if CONFIG_IS_ENABLED(OF_PLATDATA) + ret = conv_of_platdata(dev); + if (ret) + return ret; +#endif map = syscon_get_regmap_by_driver_data(ROCKCHIP_SYSCON_NOC); if (IS_ERR(map)) return PTR_ERR(map); @@ -849,14 +917,12 @@ static int rk3288_dmc_probe(struct udevice *dev) priv->sgrf = syscon_get_first_range(ROCKCHIP_SYSCON_SGRF); priv->pmu = syscon_get_first_range(ROCKCHIP_SYSCON_PMU); - ret = regmap_init_mem(dev, &map); - if (ret) - return ret; - priv->chan[0].pctl = regmap_get_range(map, 0); - priv->chan[0].publ = regmap_get_range(map, 1); - priv->chan[1].pctl = regmap_get_range(map, 2); - priv->chan[1].publ = regmap_get_range(map, 3); - +#ifdef CONFIG_SPL_BUILD + priv->chan[0].pctl = regmap_get_range(plat->map, 0); + priv->chan[0].publ = regmap_get_range(plat->map, 1); + priv->chan[1].pctl = regmap_get_range(plat->map, 2); + priv->chan[1].publ = regmap_get_range(plat->map, 3); +#endif ret = uclass_get_device(UCLASS_CLK, 0, &dev_clk); if (ret) return ret; @@ -898,10 +964,16 @@ static const struct udevice_id rk3288_dmc_ids[] = { }; U_BOOT_DRIVER(dmc_rk3288) = { - .name = "rk3288_dmc", + .name = "rockchip_rk3288_dmc", .id = UCLASS_RAM, .of_match = rk3288_dmc_ids, .ops = &rk3288_dmc_ops, +#ifdef CONFIG_SPL_BUILD + .ofdata_to_platdata = rk3288_dmc_ofdata_to_platdata, +#endif .probe = rk3288_dmc_probe, .priv_auto_alloc_size = sizeof(struct dram_info), +#ifdef CONFIG_SPL_BUILD + .platdata_auto_alloc_size = sizeof(struct rk3288_sdram_params), +#endif }; |