diff options
Diffstat (limited to 'src/soc/intel/common/block/smbus/smbuslib.c')
| -rw-r--r-- | src/soc/intel/common/block/smbus/smbuslib.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/soc/intel/common/block/smbus/smbuslib.c b/src/soc/intel/common/block/smbus/smbuslib.c index 5441b06219..a1a88180f2 100644 --- a/src/soc/intel/common/block/smbus/smbuslib.c +++ b/src/soc/intel/common/block/smbus/smbuslib.c @@ -2,6 +2,7 @@ #include <console/console.h> #include <spd_bin.h> +#include <device/smbus_def.h> #include <device/smbus_host.h> #include <string.h> #include "smbuslib.h" @@ -46,14 +47,23 @@ static int get_spd(u8 *spd, u8 addr) addr << 1); return -1; } - smbus_read_spd(spd, addr); + + if (do_i2c_eeprom_read(SMBUS_IO_BASE, addr, 0, SPD_PAGE_LEN, spd) == SMBUS_ERROR) { + printk(BIOS_INFO, "do_i2c_eeprom_read failed, using fallback\n"); + smbus_read_spd(spd, addr); + } /* Check if module is DDR4, DDR4 spd is 512 byte. */ if (spd[SPD_DRAM_TYPE] == SPD_DRAM_DDR4 && CONFIG_DIMM_SPD_SIZE > SPD_PAGE_LEN) { /* Switch to page 1 */ do_smbus_write_byte(SMBUS_IO_BASE, SPD_PAGE_1, 0, 0); - smbus_read_spd(spd + SPD_PAGE_LEN, addr); + + if (do_i2c_eeprom_read(SMBUS_IO_BASE, addr, 0, SPD_PAGE_LEN, + spd + SPD_PAGE_LEN) == SMBUS_ERROR) { + printk(BIOS_INFO, "do_i2c_eeprom_read failed, using fallback\n"); + smbus_read_spd(spd + SPD_PAGE_LEN, addr); + } /* Restore to page 0 */ do_smbus_write_byte(SMBUS_IO_BASE, SPD_PAGE_0, 0, 0); } |