move DDR2 setup code to platform specific function mx28_ddr2_setup()

diff --git a/arch/arm/cpu/arm926ejs/mx28/spl_mem_init.c b/arch/arm/cpu/arm926ejs/mx28/spl_mem_init.c
index 2f5dbb5bfc99b799a1e2b17f9ad9308409d60ced..f9b8adef4873d24add09a38076ec89055bbca63a 100644 (file)
--- a/arch/arm/cpu/arm926ejs/mx28/spl_mem_init.c
+++ b/arch/arm/cpu/arm926ejs/mx28/spl_mem_init.c
@@ -31,53 +31,12 @@
 
 #include "mx28_init.h"
 
-static uint32_t dram_vals[] = {
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x00000000, 0x00000100, 0x00000000, 0x00000000,
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x00010101, 0x01010101, 0x000f0f01, 0x0f02020a,
-       0x00000000, 0x00010101, 0x00000100, 0x00000100, 0x00000000,
-       0x00000002, 0x01010000, 0x05060302, 0x06005003, 0x0a0000c8,
-       0x02009c40, 0x0000030c, 0x0036a609, 0x031a0612, 0x02030202,
-       0x00c8001c, 0x00000000, 0x00000000, 0x00012100, 0xffff0303,
-       0x00012100, 0xffff0303, 0x00012100, 0xffff0303, 0x00012100,
-       0xffff0303, 0x00000003, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x00000612, 0x01000F02, 0x06120612, 0x00000200,
-       0x00020007, 0xf5014b27, 0xf5014b27, 0xf5014b27, 0xf5014b27,
-       0x07000300, 0x07000300, 0x07000300, 0x07000300, 0x00000006,
-       0x00000000, 0x00000000, 0x01000000, 0x01020408, 0x08040201,
-       0x000f1133, 0x00000000, 0x00001f04, 0x00001f04, 0x00001f04,
-       0x00001f04, 0x00001f04, 0x00001f04, 0x00001f04, 0x00001f04,
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x00000000, 0x00010000, 0x00020304, 0x00000004,
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
-       0x00000000, 0x01010000, 0x01000000, 0x03030000, 0x00010303,
-       0x01020202, 0x00000000, 0x02040303, 0x21002103, 0x00061200,
-       0x06120612, 0x04320432, 0x04320432, 0x00040004, 0x00040004,
-       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00010001
-};
-
-static void init_m28_200mhz_ddr2(void)
-{
-       int i;
+extern void mx28_ddr2_setup(void) __attribute__((weak,
+               alias("mx28_ddr2_setup_missing")));
 
-       for (i = 0; i < ARRAY_SIZE(dram_vals); i++)
-               writel(dram_vals[i], MXS_DRAM_BASE + (4 * i));
+static void mx28_ddr2_setup_missing(void)
+{
+       serial_puts("platform specific mx28_ddr_setup() is missing\n");
 }
 
 static void mx28_mem_init_clock(void)
@@ -218,7 +177,7 @@ void mx28_mem_init(void)
        /* Clear START bit from DRAM_CTL16 */
        clrbits_le32(MXS_DRAM_BASE + 0x40, 1);
 
-       init_m28_200mhz_ddr2();
+       mx28_ddr2_setup();
 
        /* Clear SREFRESH bit from DRAM_CTL17 */
        clrbits_le32(MXS_DRAM_BASE + 0x44, 1);

diff --git a/board/denx/m28evk/spl_boot.c b/board/denx/m28evk/spl_boot.c
index 86d7d876daf0e166fffdcc223855b6f32f72f75e..47b4a533f23261a4f67a52bee4a6709288f980e8 100644 (file)
--- a/board/denx/m28evk/spl_boot.c
+++ b/board/denx/m28evk/spl_boot.c
@@ -218,3 +218,53 @@ void board_init_ll(void)
 {
        mx28_common_spl_init(iomux_setup, ARRAY_SIZE(iomux_setup));
 }
+
+static uint32_t dram_vals[] = {
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000100, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00010101, 0x01010101, 0x000f0f01, 0x0f02020a,
+       0x00000000, 0x00010101, 0x00000100, 0x00000100, 0x00000000,
+       0x00000002, 0x01010000, 0x05060302, 0x06005003, 0x0a0000c8,
+       0x02009c40, 0x0000030c, 0x0036a609, 0x031a0612, 0x02030202,
+       0x00c8001c, 0x00000000, 0x00000000, 0x00012100, 0xffff0303,
+       0x00012100, 0xffff0303, 0x00012100, 0xffff0303, 0x00012100,
+       0xffff0303, 0x00000003, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000612, 0x01000F02, 0x06120612, 0x00000200,
+       0x00020007, 0xf5014b27, 0xf5014b27, 0xf5014b27, 0xf5014b27,
+       0x07000300, 0x07000300, 0x07000300, 0x07000300, 0x00000006,
+       0x00000000, 0x00000000, 0x01000000, 0x01020408, 0x08040201,
+       0x000f1133, 0x00000000, 0x00001f04, 0x00001f04, 0x00001f04,
+       0x00001f04, 0x00001f04, 0x00001f04, 0x00001f04, 0x00001f04,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x00000000, 0x00010000, 0x00020304, 0x00000004,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000,
+       0x00000000, 0x01010000, 0x01000000, 0x03030000, 0x00010303,
+       0x01020202, 0x00000000, 0x02040303, 0x21002103, 0x00061200,
+       0x06120612, 0x04320432, 0x04320432, 0x00040004, 0x00040004,
+       0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00010001
+};
+
+void mx28_ddr2_setup(void)
+{
+       int i;
+
+       serial_puts("\n");
+       for (i = 0; i < ARRAY_SIZE(dram_vals); i++)
+               writel(dram_vals[i], MXS_DRAM_BASE + (4 * i));
+}