[coreboot-gerrit] Patch set updated for coreboot: nb/amd/mct_ddr3: Consolidate calls to MCT minimum clock setting fetch
Timothy Pearson (tpearson@raptorengineeringinc.com)
gerrit at coreboot.org
Wed Mar 9 21:32:45 CET 2016
Timothy Pearson (tpearson at raptorengineeringinc.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13885
-gerrit
commit 3482aeec820d69d3090dd43fec46a4bc51393e9b
Author: Timothy Pearson <tpearson at raptorengineeringinc.com>
Date: Thu Mar 3 03:05:17 2016 -0600
nb/amd/mct_ddr3: Consolidate calls to MCT minimum clock setting fetch
Change-Id: I4497b0be6ed6c90dbb31e89013feed8ff5ff9071
Signed-off-by: Timothy Pearson <tpearson at raptorengineeringinc.com>
---
src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c b/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c
index b8d89fe..f0e670b 100644
--- a/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c
+++ b/src/northbridge/amd/amdmct/mct_ddr3/mctsrc.c
@@ -1146,6 +1146,7 @@ static void dqsTrainRcvrEn_SW_Fam15(struct MCTStatStruc *pMCTstat,
uint8_t lane;
uint8_t nibble;
uint8_t mem_clk;
+ uint16_t min_mem_clk;
uint16_t initial_seed;
uint8_t train_both_nibbles;
uint16_t current_total_delay[MAX_BYTE_LANES];
@@ -1163,6 +1164,8 @@ static void dqsTrainRcvrEn_SW_Fam15(struct MCTStatStruc *pMCTstat,
print_debug_dqs("\nTrainRcvEn: Node", pDCTstat->Node_ID, 0);
print_debug_dqs("TrainRcvEn: Pass", Pass, 0);
+ min_mem_clk = mctGet_NVbits(NV_MIN_MEMCLK);
+
train_both_nibbles = 0;
if (pDCTstat->Dimmx4Present)
if (is_fam15h())
@@ -1274,7 +1277,7 @@ static void dqsTrainRcvrEn_SW_Fam15(struct MCTStatStruc *pMCTstat,
/* Adjust seed for the minimum platform supported frequency */
initial_seed = (uint16_t) (((((uint64_t) initial_seed) *
- fam15h_freq_tab[mem_clk] * 100) / (mctGet_NVbits(NV_MIN_MEMCLK) * 100)));
+ fam15h_freq_tab[mem_clk] * 100) / (min_mem_clk * 100)));
for (lane = 0; lane < MAX_BYTE_LANES; lane++) {
uint16_t wl_pass1_delay;
@@ -1304,7 +1307,7 @@ static void dqsTrainRcvrEn_SW_Fam15(struct MCTStatStruc *pMCTstat,
for (lane = 0; lane < MAX_BYTE_LANES; lane++) {
seed_prescaling = current_total_delay[lane] - register_delay - 0x20;
- seed[lane] = (uint16_t) (register_delay + ((((uint64_t) seed_prescaling) * fam15h_freq_tab[mem_clk] * 100) / (mctGet_NVbits(NV_MIN_MEMCLK) * 100)));
+ seed[lane] = (uint16_t) (register_delay + ((((uint64_t) seed_prescaling) * fam15h_freq_tab[mem_clk] * 100) / (min_mem_clk * 100)));
}
}
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