void mainboard_romstage_entry(struct romstage_params *rp)
{
struct cbfs_file *spd_file;
void *spd_content;
int dual_channel = 0;
struct mrc_params mp = {
.mainboard = {
.dram_type = DRAM_DDR3L,
.dram_info_location = DRAM_INFO_SPD_MEM,
.weaker_odt_settings = 1,
},
};
spd_file = cbfs_get_file(CBFS_DEFAULT_MEDIA, "spd.bin");
if (!spd_file)
die("SPD data not found.");
spd_content = get_spd_pointer(CBFS_SUBHEADER(spd_file),
ntohl(spd_file->len) / SPD_SIZE,
&dual_channel);
mp.mainboard.dram_data[0] = spd_content;
if (dual_channel)
mp.mainboard.dram_data[1] = spd_content;
rp->mrc_params = ∓
romstage_common(rp);
}
void mainboard_romstage_entry(struct romstage_params *rp)
{
void *spd_content;
int dual_channel = 0;
void *spd_file;
size_t spd_fsize;
struct mrc_params mp = {
.mainboard = {
.dram_type = DRAM_DDR3L,
.dram_info_location = DRAM_INFO_SPD_MEM,
.weaker_odt_settings = 1,
},
};
spd_file = cbfs_boot_map_with_leak("spd.bin", CBFS_TYPE_SPD,
&spd_fsize);
if (!spd_file)
die("SPD data not found.");
/* Both channels are always present. */
spd_content = get_spd_pointer(spd_file, spd_fsize / SPD_SIZE,
&dual_channel);
mp.mainboard.dram_data[0] = spd_content;
if (dual_channel)
mp.mainboard.dram_data[1] = spd_content;
rp->mrc_params = ∓
romstage_common(rp);
}
/* Copy SPD data for on-board memory */
void mainboard_fill_spd_data(struct pei_data *ps)
{
char *spd_file;
size_t spd_file_len;
void *spd_content;
int dual_channel = 0;
/* Find the SPD data in CBFS. */
spd_file = cbfs_boot_map_with_leak("spd.bin", CBFS_TYPE_SPD,
&spd_file_len);
if (!spd_file)
die("SPD data not found.");
if (spd_file_len < SPD_PAGE_LEN)
die("Missing SPD data.");
/*
* Both channels are always present in SPD data. Always use matched
* DIMMs so use the same SPD data for each DIMM.
*/
spd_content = get_spd_pointer(spd_file,
spd_file_len / SPD_PAGE_LEN,
&dual_channel);
if (IS_ENABLED(CONFIG_DISPLAY_SPD_DATA) && spd_content != NULL) {
printk(BIOS_DEBUG, "SPD Data:\n");
hexdump(spd_content, SPD_PAGE_LEN);
printk(BIOS_DEBUG, "\n");
}
/*
* Set SPD and memory configuration:
* Memory type: 0=DimmInstalled,
* 1=SolderDownMemory,
* 2=DimmDisabled
*/
if (spd_content != NULL) {
ps->spd_data_ch0 = spd_content;
ps->spd_ch0_config = 1;
printk(BIOS_DEBUG, "Channel 0 DIMM soldered down\n");
if (dual_channel) {
printk(BIOS_DEBUG, "Channel 1 DIMM soldered down\n");
ps->spd_data_ch1 = spd_content;
ps->spd_ch1_config = 1;
} else {
printk(BIOS_DEBUG, "Channel 1 DIMM not installed\n");
ps->spd_ch1_config = 2;
}
}
}
