diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/soc/intel/broadwell/include/soc/systemagent.h | 7 | ||||
| -rw-r--r-- | src/soc/intel/broadwell/romstage/raminit.c | 27 |
2 files changed, 22 insertions, 12 deletions
diff --git a/src/soc/intel/broadwell/include/soc/systemagent.h b/src/soc/intel/broadwell/include/soc/systemagent.h index 3b56e9d316..920b710d40 100644 --- a/src/soc/intel/broadwell/include/soc/systemagent.h +++ b/src/soc/intel/broadwell/include/soc/systemagent.h @@ -87,7 +87,10 @@ #define MCHBAR16(x) *((volatile u16 *)(MCH_BASE_ADDRESS + (x))) #define MCHBAR32(x) *((volatile u32 *)(MCH_BASE_ADDRESS + (x))) -#define MCHBAR_PEI_VERSION 0x5034 +#define MAD_CHNL 0x5000 +#define MAD_DIMM(ch) (0x5004 + 4 * (ch)) + +#define MRC_REVISION 0x5034 #define GFXVTBAR 0x5400 #define EDRAMBAR 0x5408 @@ -127,6 +130,8 @@ #define BIOS_RESET_CPL 0x5da8 +#define MC_BIOS_DATA 0x5e04 + /* System Agent identification */ u8 systemagent_revision(void); diff --git a/src/soc/intel/broadwell/romstage/raminit.c b/src/soc/intel/broadwell/romstage/raminit.c index fb780cfbbb..00419fc307 100644 --- a/src/soc/intel/broadwell/romstage/raminit.c +++ b/src/soc/intel/broadwell/romstage/raminit.c @@ -27,33 +27,38 @@ */ static void report_memory_config(void) { - u32 addr_decoder_common, addr_decode_ch[2]; + u32 addr_decode_ch[2]; int i; - addr_decoder_common = MCHBAR32(0x5000); - addr_decode_ch[0] = MCHBAR32(0x5004); - addr_decode_ch[1] = MCHBAR32(0x5008); + const u32 addr_decoder_common = MCHBAR32(MAD_CHNL); + addr_decode_ch[0] = MCHBAR32(MAD_DIMM(0)); + addr_decode_ch[1] = MCHBAR32(MAD_DIMM(1)); printk(BIOS_DEBUG, "memcfg DDR3 clock %d MHz\n", - (MCHBAR32(0x5e04) * 13333 * 2 + 50)/100); + (MCHBAR32(MC_BIOS_DATA) * 13333 * 2 + 50) / 100); + printk(BIOS_DEBUG, "memcfg channel assignment: A: %d, B % d, C % d\n", - addr_decoder_common & 3, + (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, "memcfg channel[%d] config (%8.8x):\n", i, ch_conf); + printk(BIOS_DEBUG, " enhanced interleave mode %s\n", ((ch_conf >> 22) & 1) ? "on" : "off"); + printk(BIOS_DEBUG, " rank interleave %s\n", ((ch_conf >> 21) & 1) ? "on" : "off"); + printk(BIOS_DEBUG, " DIMMA %d MB width %s %s rank%s\n", ((ch_conf >> 0) & 0xff) * 256, ((ch_conf >> 19) & 1) ? "x16" : "x8 or x32", ((ch_conf >> 17) & 1) ? "dual" : "single", ((ch_conf >> 16) & 1) ? "" : ", selected"); + printk(BIOS_DEBUG, " DIMMB %d MB width %s %s rank%s\n", ((ch_conf >> 8) & 0xff) * 256, ((ch_conf >> 19) & 1) ? "x16" : "x8 or x32", @@ -128,10 +133,10 @@ void raminit(struct pei_data *pei_data) die("pei_data version mismatch\n"); /* Print the MRC version after executing the UEFI PEI stage. */ - u32 version = MCHBAR32(MCHBAR_PEI_VERSION); + u32 version = MCHBAR32(MRC_REVISION); printk(BIOS_DEBUG, "MRC Version %d.%d.%d Build %d\n", - version >> 24, (version >> 16) & 0xff, - (version >> 8) & 0xff, version & 0xff); + (version >> 24) & 0xff, (version >> 16) & 0xff, + (version >> 8) & 0xff, (version >> 0) & 0xff); report_memory_config(); |