summaryrefslogtreecommitdiff
path: root/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-rockchip/rk3288/sdram_rk3288.c')
-rw-r--r--arch/arm/mach-rockchip/rk3288/sdram_rk3288.c130
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 55ac73e..b36b6af 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 *)&params.ch[i],
- sizeof(params.ch[i]));
+ (u8 *)&params->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 *)&params.pctl_timing,
- sizeof(params.pctl_timing) / sizeof(u32));
+ (u32 *)&params->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 *)&params.phy_timing,
- sizeof(params.phy_timing) / sizeof(u32));
+ (u32 *)&params->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 *)&params.base,
- sizeof(params.base) / sizeof(u32));
+ (u32 *)&params->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, &params->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, &params);
+ 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
};
generated by cgit v1.1 at 2024-08-23 18:46:43 +0000