Currently, there is only one EEPROM on c29xpcie board which isAT24C1024. We program the SPD data at beginning of the AT24C1024.But the AT24C1024 has a 16-bit sub-address mode. This patch is tomake it work when getting SPD in a 16-bit sub-address EEPROM.
Signed-off-by: Po Liu Po.Liu@freescale.com --- board/freescale/c29xpcie/ddr.c | 12 ++++++++++++ 1 file changed, 12 insertions(+)
diff --git a/board/freescale/c29xpcie/ddr.c b/board/freescale/c29xpcie/ddr.c index 3337d6c..28f1bd2 100644 --- a/board/freescale/c29xpcie/ddr.c +++ b/board/freescale/c29xpcie/ddr.c @@ -84,3 +84,15 @@ void fsl_ddr_board_options(memctl_options_t *popts, popts->cs_local_opts[i].odt_wr_cfg = FSL_DDR_ODT_CS; } } + +void get_spd(generic_spd_eeprom_t *spd, u8 i2c_address) +{ + int ret = i2c_read(i2c_address, 0, 2, (uchar *)spd, + sizeof(generic_spd_eeprom_t)); + + if (ret) { + printf("DDR: failed to read SPD from address %u\n", + i2c_address); + memset(spd, 0, sizeof(generic_spd_eeprom_t)); + } +}