diff options
| -rw-r--r-- | board/freescale/p1_p2_rdb/p1_p2_rdb.c | 25 | ||||
| -rw-r--r-- | include/configs/P1_P2_RDB.h | 2 |
2 files changed, 27 insertions, 0 deletions
diff --git a/board/freescale/p1_p2_rdb/p1_p2_rdb.c b/board/freescale/p1_p2_rdb/p1_p2_rdb.c index 806d90e6e..9f57a2192 100644 --- a/board/freescale/p1_p2_rdb/p1_p2_rdb.c +++ b/board/freescale/p1_p2_rdb/p1_p2_rdb.c @@ -35,6 +35,7 @@ #include <vsc7385.h> #include <netdev.h> #include <rtc.h> +#include <i2c.h> DECLARE_GLOBAL_DATA_PTR; @@ -142,6 +143,30 @@ int board_early_init_r(void) { const unsigned int flashbase = CONFIG_SYS_FLASH_BASE; const u8 flash_esel = find_tlb_idx((void *)flashbase, 1); + volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR); + unsigned int orig_bus = i2c_get_bus_num(); + u8 i2c_data; + + i2c_set_bus_num(1); + if (i2c_read(CONFIG_SYS_I2C_PCA9557_ADDR, 0, + 1, &i2c_data, sizeof(i2c_data)) == 0) { + if (i2c_data & 0x2) + puts("NOR Flash Bank : Secondary\n"); + else + puts("NOR Flash Bank : Primary\n"); + + if (i2c_data & 0x1) { + setbits_be32(&gur->pmuxcr, MPC85xx_PMUXCR_SD_DATA); + puts("SD/MMC : 8-bit Mode\n"); + puts("eSPI : Disabled\n"); + } else { + puts("SD/MMC : 4-bit Mode\n"); + puts("eSPI : Enabled\n"); + } + } else { + puts("Failed reading I2C Chip 0x18 on bus 1\n"); + } + i2c_set_bus_num(orig_bus); /* * Remap Boot flash region to caching-inhibited diff --git a/include/configs/P1_P2_RDB.h b/include/configs/P1_P2_RDB.h index 53ec56f21..6f2088edd 100644 --- a/include/configs/P1_P2_RDB.h +++ b/include/configs/P1_P2_RDB.h @@ -362,6 +362,8 @@ extern unsigned long get_board_sys_clk(unsigned long dummy); #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1 #define CONFIG_SYS_EEPROM_BUS_NUM 1 +#define CONFIG_SYS_I2C_PCA9557_ADDR 0x18 + #define CONFIG_RTC_DS1337 #define CONFIG_SYS_RTC_DS1337_NOOSC #define CONFIG_SYS_I2C_RTC_ADDR 0x68 |