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Diffstat (limited to 'src/soc/intel/broadwell')
-rw-r--r--src/soc/intel/broadwell/include/soc/systemagent.h3
-rw-r--r--src/soc/intel/broadwell/romstage/raminit.c7
2 files changed, 5 insertions, 5 deletions
diff --git a/src/soc/intel/broadwell/include/soc/systemagent.h b/src/soc/intel/broadwell/include/soc/systemagent.h
index 920b710d40..cc0dc4f0c5 100644
--- a/src/soc/intel/broadwell/include/soc/systemagent.h
+++ b/src/soc/intel/broadwell/include/soc/systemagent.h
@@ -87,6 +87,9 @@
#define MCHBAR16(x) *((volatile u16 *)(MCH_BASE_ADDRESS + (x)))
#define MCHBAR32(x) *((volatile u32 *)(MCH_BASE_ADDRESS + (x)))
+/* Memory controller characteristics */
+#define NUM_CHANNELS 2
+
#define MAD_CHNL 0x5000
#define MAD_DIMM(ch) (0x5004 + 4 * (ch))
diff --git a/src/soc/intel/broadwell/romstage/raminit.c b/src/soc/intel/broadwell/romstage/raminit.c
index 4977b351f7..65e386a7c7 100644
--- a/src/soc/intel/broadwell/romstage/raminit.c
+++ b/src/soc/intel/broadwell/romstage/raminit.c
@@ -27,12 +27,9 @@
*/
static void report_memory_config(void)
{
- u32 addr_decode_ch[2];
int i;
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(MC_BIOS_DATA) * 13333 * 2 + 50) / 100);
@@ -42,8 +39,8 @@ static void report_memory_config(void)
(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];
+ for (i = 0; i < NUM_CHANNELS; i++) {
+ const u32 ch_conf = MCHBAR32(MAD_DIMM(i));
printk(BIOS_DEBUG, "memcfg channel[%d] config (%8.8x):\n", i, ch_conf);