Merge branch 'u-boot-ti/master' into 'u-boot-arm/master'

[platform/kernel/u-boot.git] / arch / arm / cpu / arm926ejs / mxs / spl_mem_init.c

diff --git a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c
index e693145..401c513 100644 (file)
--- a/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c
+++ b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c
@@ -30,7 +30,11 @@
 
 #include "mxs_init.h"
 
-static uint32_t mx28_dram_vals[] = {
+static uint32_t dram_vals[] = {
+/*
+ * i.MX28 DDR2 at 200MHz
+ */
+#if defined(CONFIG_MX28)
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00000000, 0x00000000, 0x00000000,
@@ -79,6 +83,9 @@ static uint32_t mx28_dram_vals[] = {
        0x06120612, 0x04320432, 0x04320432, 0x00040004,
        0x00040004, 0x00000000, 0x00000000, 0x00000000,
        0x00000000, 0x00010001
+#else
+#error Unsupported memory initialization
+#endif
 };
 
 void __mxs_adjust_memory_params(uint32_t *dram_vals)
@@ -87,17 +94,17 @@ void __mxs_adjust_memory_params(uint32_t *dram_vals)
 void mxs_adjust_memory_params(uint32_t *dram_vals)
        __attribute__((weak, alias("__mxs_adjust_memory_params")));
 
-void init_mx28_200mhz_ddr2(void)
+static void initialize_dram_values(void)
 {
        int i;
 
-       mxs_adjust_memory_params(mx28_dram_vals);
+       mxs_adjust_memory_params(dram_vals);
 
-       for (i = 0; i < ARRAY_SIZE(mx28_dram_vals); i++)
-               writel(mx28_dram_vals[i], MXS_DRAM_BASE + (4 * i));
+       for (i = 0; i < ARRAY_SIZE(dram_vals); i++)
+               writel(dram_vals[i], MXS_DRAM_BASE + (4 * i));
 }
 
-void mxs_mem_init_clock(void)
+static void mxs_mem_init_clock(void)
 {
        struct mxs_clkctrl_regs *clkctrl_regs =
                (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
@@ -128,7 +135,7 @@ void mxs_mem_init_clock(void)
        early_delay(10000);
 }
 
-void mxs_mem_setup_cpu_and_hbus(void)
+static void mxs_mem_setup_cpu_and_hbus(void)
 {
        struct mxs_clkctrl_regs *clkctrl_regs =
                (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE;
@@ -160,7 +167,7 @@ void mxs_mem_setup_cpu_and_hbus(void)
        early_delay(15000);
 }
 
-void mxs_mem_setup_vdda(void)
+static void mxs_mem_setup_vdda(void)
 {
        struct mxs_power_regs *power_regs =
                (struct mxs_power_regs *)MXS_POWER_BASE;
@@ -171,17 +178,6 @@ void mxs_mem_setup_vdda(void)
                &power_regs->hw_power_vddactrl);
 }
 
-void mxs_mem_setup_vddd(void)
-{
-       struct mxs_power_regs *power_regs =
-               (struct mxs_power_regs *)MXS_POWER_BASE;
-
-       writel((0x1c << POWER_VDDDCTRL_TRG_OFFSET) |
-               (0x7 << POWER_VDDDCTRL_BO_OFFSET_OFFSET) |
-               POWER_VDDDCTRL_LINREG_OFFSET_1STEPS_BELOW,
-               &power_regs->hw_power_vdddctrl);
-}
-
 uint32_t mxs_mem_get_size(void)
 {
        uint32_t sz, da;
@@ -229,7 +225,7 @@ void mxs_mem_init(void)
        /* Clear START bit from DRAM_CTL16 */
        clrbits_le32(MXS_DRAM_BASE + 0x40, 1);
 
-       init_mx28_200mhz_ddr2();
+       initialize_dram_values();
 
        /* Clear SREFRESH bit from DRAM_CTL17 */
        clrbits_le32(MXS_DRAM_BASE + 0x44, 1);
@@ -241,8 +237,6 @@ void mxs_mem_init(void)
        while (!(readl(MXS_DRAM_BASE + 0xe8) & (1 << 20)))
                ;
 
-       mxs_mem_setup_vddd();
-
        early_delay(10000);
 
        mxs_mem_setup_cpu_and_hbus();