Hi,
we are working on a Customized ARM 926ejs Board. I am trying to port Uboot for the same board. I found that few patches/changes/updates were required for arm & ARM926 Specidifc Modules. Below are the Patches for the same
This Patch adds I2C init func call to init sequence for arm boards. This is present in ppc,blackfin and other processor init sequence.
--- u-boot-1.3.1/lib_arm/board.c 2007-12-06 01:21:19.000000000 -0800 +++ uboot/lib_arm/board.c 2007-12-12 19:57:51.296875000 -0800 @@ -84,6 +84,11 @@ extern void cs8900_get_enetaddr (uchar * extern void rtl8019_get_enetaddr (uchar * addr); #endif
+#if defined(CONFIG_HARD_I2C) || \ + defined(CONFIG_SOFT_I2C) +#include <i2c.h> +#endif + /* * Begin and End of memory area for malloc(), and current "brk" */ @@ -209,6 +214,16 @@ static void display_flash_config (ulong } #endif /* CFG_NO_FLASH */
+#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) +static int init_func_i2c (void) +{ + puts ("I2C: "); + i2c_init (CFG_I2C_SPEED, CFG_I2C_SLAVE); + puts ("ready\n"); + return (0); +} +#endif + /* * Breathe some life into the board... * @@ -251,6 +266,9 @@ init_fnc_t *init_sequence[] = { #if defined(CONFIG_DISPLAY_BOARDINFO) checkboard, /* display board info */ #endif +#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) + init_func_i2c, +#endif dram_init, /* configure available RAM banks */ display_dram_config, NULL,
Signed-off-by: Hebbar
I welcome comments, complaints, suggestions and advices.
Regards Gururaja