From: York Sun yorksun@freescale.com
Board rev C and earlier has duplicated SPD address on 2nd DDR controller slots. It is fixed on rev D and later. SPD addresses need to be updated accordingly.
Signed-off-by: York Sun yorksun@freescale.com Signed-off-by: Prabhakar Kushwaha prabhakar@freescale.com --- board/freescale/ls2085ardb/ls2085ardb.c | 19 +++++++++++++++++++ include/configs/ls2085ardb.h | 4 ++-- 2 files changed, 21 insertions(+), 2 deletions(-)
diff --git a/board/freescale/ls2085ardb/ls2085ardb.c b/board/freescale/ls2085ardb/ls2085ardb.c index 175943e..78efa32 100644 --- a/board/freescale/ls2085ardb/ls2085ardb.c +++ b/board/freescale/ls2085ardb/ls2085ardb.c @@ -277,3 +277,22 @@ void qixis_dump_switch(void) printf("SW%d = (0x%02x)\n", i, QIXIS_READ(cms[1])); } } + +/* + * Board rev C and earlier has duplicated I2C addresses for 2nd controller. + * Both slots has 0x54, resulting 2nd slot unusable. + */ +void update_spd_address(unsigned int ctrl_num, + unsigned int slot, + unsigned int *addr) +{ + u8 sw; + + sw = QIXIS_READ(arch); + if ((sw & 0xf) < 0x3) { + if (ctrl_num == 1 && slot == 0) + *addr = SPD_EEPROM_ADDRESS4; + else if (ctrl_num == 1 && slot == 1) + *addr = SPD_EEPROM_ADDRESS3; + } +} diff --git a/include/configs/ls2085ardb.h b/include/configs/ls2085ardb.h index 5a5884c..a0f0f6c 100644 --- a/include/configs/ls2085ardb.h +++ b/include/configs/ls2085ardb.h @@ -29,8 +29,8 @@ unsigned long get_board_sys_clk(void); #define CONFIG_MEM_INIT_VALUE 0xdeadbeef #define SPD_EEPROM_ADDRESS1 0x51 #define SPD_EEPROM_ADDRESS2 0x52 -#define SPD_EEPROM_ADDRESS3 0x54 -#define SPD_EEPROM_ADDRESS4 0x53 /* Board error */ +#define SPD_EEPROM_ADDRESS3 0x53 +#define SPD_EEPROM_ADDRESS4 0x54 #define SPD_EEPROM_ADDRESS5 0x55 #define SPD_EEPROM_ADDRESS6 0x56 /* dummy address */ #define SPD_EEPROM_ADDRESS SPD_EEPROM_ADDRESS1