Merge git://git.denx.de/u-boot-dm

[u-boot] / arch / arm / mach-rockchip / rk3288 / sdram_rk3288.c

diff --git a/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c b/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c
index 2a43574a79aa3a8769ea1a09892afab3c61d123a..71330cb26ddd966bd747f682da6fa51d8235829d 100644 (file)
--- a/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c
+++ b/arch/arm/mach-rockchip/rk3288/sdram_rk3288.c
@@ -22,6 +22,8 @@
 #include <asm/arch/pmu_rk3288.h>
 #include <asm/arch/sdram.h>
 #include <linux/err.h>
+#include <power/regulator.h>
+#include <power/rk808_pmic.h>
 
 DECLARE_GLOBAL_DATA_PTR;
 
@@ -559,14 +561,14 @@ static void dram_all_config(const struct dram_info *dram,
                        &sdram_params->ch[chan];
 
                sys_reg |= info->row_3_4 << SYS_REG_ROW_3_4_SHIFT(chan);
-               sys_reg |= chan << SYS_REG_CHINFO_SHIFT(chan);
+               sys_reg |= 1 << SYS_REG_CHINFO_SHIFT(chan);
                sys_reg |= (info->rank - 1) << SYS_REG_RANK_SHIFT(chan);
                sys_reg |= (info->col - 9) << SYS_REG_COL_SHIFT(chan);
-               sys_reg |= info->bk == 3 ? 1 << SYS_REG_BK_SHIFT(chan) : 0;
+               sys_reg |= info->bk == 3 ? 0 : 1 << SYS_REG_BK_SHIFT(chan);
                sys_reg |= (info->cs0_row - 13) << SYS_REG_CS0_ROW_SHIFT(chan);
                sys_reg |= (info->cs1_row - 13) << SYS_REG_CS1_ROW_SHIFT(chan);
-               sys_reg |= info->bw << SYS_REG_BW_SHIFT(chan);
-               sys_reg |= info->dbw << SYS_REG_DBW_SHIFT(chan);
+               sys_reg |= (2 >> info->bw) << SYS_REG_BW_SHIFT(chan);
+               sys_reg |= (2 >>info->dbw) << SYS_REG_DBW_SHIFT(chan);
 
                dram_cfg_rbc(&dram->chan[chan], chan, sdram_params);
        }
@@ -718,13 +720,13 @@ size_t sdram_size_mb(struct rk3288_pmu *pmu)
                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 = sys_reg & (1 << SYS_REG_BK_SHIFT(ch)) ? 3 : 0;
+               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 = (sys_reg >> SYS_REG_BW_SHIFT(ch)) &
-                       SYS_REG_BW_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;
 
@@ -748,6 +750,32 @@ size_t sdram_size_mb(struct rk3288_pmu *pmu)
 }
 
 #ifdef CONFIG_SPL_BUILD
+# ifdef CONFIG_ROCKCHIP_FAST_SPL
+static int veyron_init(struct dram_info *priv)
+{
+       struct udevice *pmic;
+       int ret;
+
+       ret = uclass_first_device_err(UCLASS_PMIC, &pmic);
+       if (ret)
+               return ret;
+
+       /* Slowly raise to max CPU voltage to prevent overshoot */
+       ret = rk808_spl_configure_buck(pmic, 1, 1200000);
+       if (ret)
+               return ret;
+       udelay(175);/* Must wait for voltage to stabilize, 2mV/us */
+       ret = rk808_spl_configure_buck(pmic, 1, 1400000);
+       if (ret)
+               return ret;
+       udelay(100);/* Must wait for voltage to stabilize, 2mV/us */
+
+       rkclk_configure_cpu(priv->cru, priv->grf);
+
+       return 0;
+}
+# endif
+
 static int setup_sdram(struct udevice *dev)
 {
        struct dram_info *priv = dev_get_priv(dev);
@@ -791,6 +819,14 @@ static int setup_sdram(struct udevice *dev)
                return -EINVAL;
        }
 
+# ifdef CONFIG_ROCKCHIP_FAST_SPL
+       if (!fdt_node_check_compatible(blob, 0, "google,veyron")) {
+               ret = veyron_init(priv);
+               if (ret)
+                       return ret;
+       }
+# endif
+
        return sdram_init(priv, &params);
 }
 #endif
@@ -808,20 +844,9 @@ static int rk3288_dmc_probe(struct udevice *dev)
        priv->chan[1].msch = (struct rk3288_msch *)
                        (regmap_get_range(map, 0) + 0x80);
 
-       map = syscon_get_regmap_by_driver_data(ROCKCHIP_SYSCON_GRF);
-       if (IS_ERR(map))
-               return PTR_ERR(map);
-       priv->grf = regmap_get_range(map, 0);
-
-       map = syscon_get_regmap_by_driver_data(ROCKCHIP_SYSCON_SGRF);
-       if (IS_ERR(map))
-               return PTR_ERR(map);
-       priv->sgrf = regmap_get_range(map, 0);
-
-       map = syscon_get_regmap_by_driver_data(ROCKCHIP_SYSCON_PMU);
-       if (IS_ERR(map))
-               return PTR_ERR(map);
-       priv->pmu = regmap_get_range(map, 0);
+       priv->grf = syscon_get_first_range(ROCKCHIP_SYSCON_GRF);
+       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)