mx28: Let dram_init be common for mx28

Let dram_init function be a common function, so that other mx28 boards
can reuse it.

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Marek Vasut <marek.vasut@gmail.com>

diff --git a/arch/arm/cpu/arm926ejs/mx28/mx28.c b/arch/arm/cpu/arm926ejs/mx28/mx28.c
index ad4fabd..da90360 100644 (file)
--- a/arch/arm/cpu/arm926ejs/mx28/mx28.c
+++ b/arch/arm/cpu/arm926ejs/mx28/mx28.c
@@ -260,6 +260,27 @@ void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
 }
 #endif
 
+#define        HW_DIGCTRL_SCRATCH0     0x8001c280
+#define        HW_DIGCTRL_SCRATCH1     0x8001c290
+int mx28_dram_init(void)
+{
+       uint32_t sz[2];
+
+       sz[0] = readl(HW_DIGCTRL_SCRATCH0);
+       sz[1] = readl(HW_DIGCTRL_SCRATCH1);
+
+       if (sz[0] != sz[1]) {
+               printf("MX28:\n"
+                       "Error, the RAM size in HW_DIGCTRL_SCRATCH0 and\n"
+                       "HW_DIGCTRL_SCRATCH1 is not the same. Please\n"
+                       "verify these two registers contain valid RAM size!\n");
+               hang();
+       }
+
+       gd->ram_size = sz[0];
+       return 0;
+}
+
 U_BOOT_CMD(
        clocks, CONFIG_SYS_MAXARGS, 1, do_mx28_showclocks,
        "display clocks",

diff --git a/arch/arm/include/asm/arch-mx28/sys_proto.h b/arch/arm/include/asm/arch-mx28/sys_proto.h
index be1f7db..f101494 100644 (file)
--- a/arch/arm/include/asm/arch-mx28/sys_proto.h
+++ b/arch/arm/include/asm/arch-mx28/sys_proto.h
@@ -35,4 +35,6 @@ void mx28_common_spl_init(const iomux_cfg_t *iomux_setup,
                        const unsigned int iomux_size);
 #endif
 
+int mx28_dram_init(void);
+
 #endif /* __MX28_H__ */

diff --git a/board/denx/m28evk/m28evk.c b/board/denx/m28evk/m28evk.c
index 005446a..53df476 100644 (file)
--- a/board/denx/m28evk/m28evk.c
+++ b/board/denx/m28evk/m28evk.c
@@ -70,25 +70,9 @@ int board_init(void)
        return 0;
 }
 
-#define        HW_DIGCTRL_SCRATCH0     0x8001c280
-#define        HW_DIGCTRL_SCRATCH1     0x8001c290
 int dram_init(void)
 {
-       uint32_t sz[2];
-
-       sz[0] = readl(HW_DIGCTRL_SCRATCH0);
-       sz[1] = readl(HW_DIGCTRL_SCRATCH1);
-
-       if (sz[0] != sz[1]) {
-               printf("MX28:\n"
-                       "Error, the RAM size in HW_DIGCTRL_SCRATCH0 and\n"
-                       "HW_DIGCTRL_SCRATCH1 is not the same. Please\n"
-                       "verify these two registers contain valid RAM size!\n");
-               hang();
-       }
-
-       gd->ram_size = sz[0];
-       return 0;
+       return mx28_dram_init();
 }
 
 #ifdef CONFIG_CMD_MMC