Re: [U-Boot] [PATCH v2 2/3] 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

arch/arm/cpu/arm926ejs/mx28/mx28.c | 21 +++++++++++++++++++++ arch/arm/include/asm/arch-mx28/sys_proto.h | 1 + board/denx/m28evk/m28evk.c | 21 --------------------- 3 files changed, 22 insertions(+), 21 deletions(-)

diff --git a/arch/arm/cpu/arm926ejs/mx28/mx28.c b/arch/arm/cpu/arm926ejs/mx28/mx28.c index 785978f..ec8eaf9 100644 --- a/arch/arm/cpu/arm926ejs/mx28/mx28.c +++ b/arch/arm/cpu/arm926ejs/mx28/mx28.c @@ -249,6 +249,27 @@ void imx_get_mac_from_fuse(char *mac) } #endif

+#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]) {

• 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..745b84d 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 dram_init(void);

Rename it to mx28_dram_init() or something please.

#endif /* __MX28_H__ */ diff --git a/board/denx/m28evk/m28evk.c b/board/denx/m28evk/m28evk.c index 005446a..d6a2a50 100644 --- a/board/denx/m28evk/m28evk.c +++ b/board/denx/m28evk/m28evk.c @@ -70,27 +70,6 @@ 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;

-}

#ifdef CONFIG_CMD_MMC static int m28_mmc_wp(int id) {

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