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>
Acked-by: Marek Vasut <marek.va...@gmail.com>
---
Changes since v6:
- Added Acked-by line
Changes since v5:
- Change return value on dram_init()
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 | 2 ++
board/denx/m28evk/m28evk.c | 18 +-----------------
3 files changed, 24 insertions(+), 17 deletions(-)
diff --git a/arch/arm/cpu/arm926ejs/mx28/mx28.c
b/arch/arm/cpu/arm926ejs/mx28/mx28.c
index ee4e337..c95e900 100644
--- 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, 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
--- 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
--- 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
--
1.7.1
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