Let dram_init function be a common function, so that other mx28 boards
can reuse it.
Signed-off-by: Fabio Estevam <fabio.este...@freescale.com>
---
Changes since v4:
- Call mx28_dram_init from m28evk.c
Changes since v3:
- Rename dram_init to mx28_dram_init
arch/arm/cpu/arm926ejs/mx28/mx28.c | 21 +++++++++++++++++++++
arch/arm/include/asm/arch-mx28/sys_proto.h | 1 +
board/denx/m28evk/m28evk.c | 25 +++++--------------------
3 files changed, 27 insertions(+), 20 deletions(-)
diff --git a/arch/arm/cpu/arm926ejs/mx28/mx28.c
b/arch/arm/cpu/arm926ejs/mx28/mx28.c
index 40ffe4c..ade3df5 100644
--- a/arch/arm/cpu/arm926ejs/mx28/mx28.c
+++ b/arch/arm/cpu/arm926ejs/mx28/mx28.c
@@ -255,6 +255,27 @@ void imx_get_mac_from_fuse(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]) {
+ puts("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 cf5ab16..411173e 100644
--- a/arch/arm/include/asm/arch-mx28/sys_proto.h
+++ b/arch/arm/include/asm/arch-mx28/sys_proto.h
@@ -36,5 +36,6 @@ void mx28_common_spl_init(const iomux_cfg_t *iomux_setup,
#endif
void imx_get_mac_from_fuse(char *mac);
+int mx28_dram_init(void);
#endif /* __MX28_H__ */
diff --git a/board/denx/m28evk/m28evk.c b/board/denx/m28evk/m28evk.c
index 005446a..3225543 100644
--- a/board/denx/m28evk/m28evk.c
+++ b/board/denx/m28evk/m28evk.c
@@ -62,32 +62,17 @@ int board_early_init_f(void)
return 0;
}
-int board_init(void)
+int dram_init(void)
{
- /* Adress of boot parameters */
- gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
-
+ mx28_dram_init();
return 0;
}
-#define HW_DIGCTRL_SCRATCH0 0x8001c280
-#define HW_DIGCTRL_SCRATCH1 0x8001c290
-int dram_init(void)
+int board_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();
- }
+ /* Adress of boot parameters */
+ gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
- gd->ram_size = sz[0];
return 0;
}
--
1.7.1
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