Patch set updated for coreboot: nb/amd/mct_ddr3: Consolidate calls to MCT minimum clock setting fetch

[Timothy Pearson]

Timothy Pearson ([e-mail]) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/13885

-gerrit

commit 3482aeec820d69d3090dd43fec46a4bc51393e9b
Author: Timothy Pearson 
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 
---
 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)));
    					}
    				}