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....@freescale.com> --- Changes for V2: - add #include <i2c.h> board/freescale/c29xpcie/ddr.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/board/freescale/c29xpcie/ddr.c b/board/freescale/c29xpcie/ddr.c index b017cfd..614944b 100644 --- a/board/freescale/c29xpcie/ddr.c +++ b/board/freescale/c29xpcie/ddr.c @@ -5,6 +5,7 @@ */ #include <common.h> +#include <i2c.h> #include <asm/fsl_law.h> #include <asm/fsl_ddr_sdram.h> #include <asm/fsl_ddr_dimm_params.h> @@ -84,3 +85,15 @@ 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)); + } +} -- 1.8.0 _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot