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nb/intel/sandybridge: Deduplicate report_memory_config

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Use the version from native raminit, as it takes the reference clock
into account.

Change-Id: I00e979bec236167d22561e3eb44b30b4a34ad663
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39622
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Angel Pons
2020-03-17 23:09:16 +01:00
committed by Felix Held
parent 903d9a225e
commit 064c7999ae
5 changed files with 70 additions and 97 deletions
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50
src/northbridge/intel/sandybridge/raminit.c
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@ -38,13 +38,6 @@
/* FIXME: no ECC support */
/* FIXME: no support for 3-channel chipsets */
static const char *ecc_decoder[] = {
"inactive",
"active on IO",
"disabled on IO",
"active",
};
static void wait_txt_clear(void)
{
struct cpuid_result cp = cpuid_ext(1, 0);
@ -90,49 +83,6 @@ static void fill_smbios17(ramctr_timing *ctrl)
}
}
#define ON_OFF(val) (((val) & 1) ? "on" : "off")
/* Print the memory controller configuration as read from the memory controller registers. */
static void report_memory_config(void)
{
u32 addr_decoder_common, addr_decode_ch[NUM_CHANNELS];
int i;
addr_decoder_common = MCHBAR32(MAD_CHNL);
addr_decode_ch[0] = MCHBAR32(MAD_DIMM_CH0);
addr_decode_ch[1] = MCHBAR32(MAD_DIMM_CH1);
const int refclk = MCHBAR32(MC_BIOS_REQ) & 0x100 ? 100 : 133;
printk(BIOS_DEBUG, "memcfg DDR3 ref clock %d MHz\n", refclk);
printk(BIOS_DEBUG, "memcfg DDR3 clock %d MHz\n",
(MCHBAR32(MC_BIOS_DATA) * refclk * 100 * 2 + 50) / 100);
printk(BIOS_DEBUG, "memcfg channel assignment: A: %d, B % d, C % d\n",
(addr_decoder_common >> 0) & 3,
(addr_decoder_common >> 2) & 3,
(addr_decoder_common >> 4) & 3);
for (i = 0; i < ARRAY_SIZE(addr_decode_ch); i++) {
u32 ch_conf = addr_decode_ch[i];
printk(BIOS_DEBUG, "memcfg channel[%d] config (%8.8x):\n", i, ch_conf);
printk(BIOS_DEBUG, " ECC %s\n", ecc_decoder[(ch_conf >> 24) & 3]);
printk(BIOS_DEBUG, " enhanced interleave mode %s\n", ON_OFF(ch_conf >> 22));
printk(BIOS_DEBUG, " rank interleave %s\n", ON_OFF(ch_conf >> 21));
printk(BIOS_DEBUG, " DIMMA %d MB width x%d %s rank%s\n",
((ch_conf >> 0) & 0xff) * 256,
((ch_conf >> 19) & 1) ? 16 : 8,
((ch_conf >> 17) & 1) ? "dual" : "single",
((ch_conf >> 16) & 1) ? "" : ", selected");
printk(BIOS_DEBUG, " DIMMB %d MB width x%d %s rank%s\n",
((ch_conf >> 8) & 0xff) * 256,
((ch_conf >> 20) & 1) ? 16 : 8,
((ch_conf >> 18) & 1) ? "dual" : "single",
((ch_conf >> 16) & 1) ? ", selected" : "");
}
}
#undef ON_OFF
/* Return CRC16 match for all SPDs */
static int verify_crc16_spds_ddr3(spd_raw_data *spd, ramctr_timing *ctrl)
{