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authorArthur Heymans <arthur@aheymans.xyz>2017-12-16 21:04:46 +0100
committerPatrick Georgi <pgeorgi@google.com>2018-04-17 10:41:57 +0000
commita4e8f67b94f4167cb7f31b9bcb3b811cd38f0efb (patch)
tree929830312c327cfe44ce68e7903d82d1eb7ddc0b
parent276049f9eeb5a53d1f83ee0fb6876e965a6b7ca4 (diff)
nb/intel/x4x/rcven.c: Change the verbosity of some messages
Displaying the whole receive enable procedure is very verbose should only be done if CONFIG_DEBUG_RAM_SETUP is selected. Change-Id: Ib568621e6d044624c1c0aeb6fb08945f561395c7 Signed-off-by: Arthur Heymans <arthur@aheymans.xyz> Reviewed-on: https://review.coreboot.org/22912 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Patrick Rudolph <siro@das-labor.org>
-rw-r--r--src/northbridge/intel/x4x/rcven.c18
1 files changed, 10 insertions, 8 deletions
diff --git a/src/northbridge/intel/x4x/rcven.c b/src/northbridge/intel/x4x/rcven.c
index e9a99fbd55..5e79c73f07 100644
--- a/src/northbridge/intel/x4x/rcven.c
+++ b/src/northbridge/intel/x4x/rcven.c
@@ -138,7 +138,7 @@ static int decrease_tap(struct rec_timing *timing)
static int decr_coarse_low(u8 channel, u8 lane, u32 addr,
struct rec_timing *timing)
{
- printk(BIOS_DEBUG,
+ printk(RAM_DEBUG,
" Decreasing coarse until high to low transition is found\n");
while (sampledqs(addr, lane, channel) != DQS_LOW) {
if (timing->coarse == 0) {
@@ -149,7 +149,7 @@ static int decr_coarse_low(u8 channel, u8 lane, u32 addr,
timing->coarse--;
program_timing(timing, channel, lane);
}
- printk(BIOS_DEBUG, " DQS low at coarse=%d medium=%d\n",
+ printk(RAM_DEBUG, " DQS low at coarse=%d medium=%d\n",
timing->coarse, timing->medium);
return 0;
}
@@ -157,7 +157,7 @@ static int decr_coarse_low(u8 channel, u8 lane, u32 addr,
static int fine_search_dqs_high(u8 channel, u8 lane, u32 addr,
struct rec_timing *timing)
{
- printk(BIOS_DEBUG,
+ printk(RAM_DEBUG,
" Increasing TAP until low to high transition is found\n");
/*
* We use a do while loop since it happens that the strobe read
@@ -184,7 +184,7 @@ static int fine_search_dqs_high(u8 channel, u8 lane, u32 addr,
program_timing(timing, channel, lane);
} while (sampledqs(addr, lane, channel) != DQS_HIGH);
- printk(BIOS_DEBUG, " DQS high at coarse=%d medium=%d tap:%d\n",
+ printk(RAM_DEBUG, " DQS high at coarse=%d medium=%d tap:%d\n",
timing->coarse, timing->medium, timing->tap);
return 0;
}
@@ -193,7 +193,7 @@ static int find_dqs_low(u8 channel, u8 lane, u32 addr,
struct rec_timing *timing)
{
/* Look for DQS low, using quarter steps. */
- printk(BIOS_DEBUG, " Increasing medium until DQS LOW is found\n");
+ printk(RAM_DEBUG, " Increasing medium until DQS LOW is found\n");
while (sampledqs(addr, lane, channel) != DQS_LOW) {
if (increase_medium(timing)) {
printk(BIOS_CRIT,
@@ -202,7 +202,7 @@ static int find_dqs_low(u8 channel, u8 lane, u32 addr,
}
program_timing(timing, channel, lane);
}
- printk(BIOS_DEBUG, " DQS low at coarse=%d medium=%d\n",
+ printk(RAM_DEBUG, " DQS low at coarse=%d medium=%d\n",
timing->coarse, timing->medium);
return 0;
}
@@ -210,7 +210,7 @@ static int find_dqs_high(u8 channel, u8 lane, u32 addr,
struct rec_timing *timing)
{
/* Look for DQS high, using quarter steps. */
- printk(BIOS_DEBUG, " Increasing medium until DQS HIGH is found\n");
+ printk(RAM_DEBUG, " Increasing medium until DQS HIGH is found\n");
while (sampledqs(addr, lane, channel) != DQS_HIGH) {
if (increase_medium(timing)) {
printk(BIOS_CRIT,
@@ -219,7 +219,7 @@ static int find_dqs_high(u8 channel, u8 lane, u32 addr,
}
program_timing(timing, channel, lane);
}
- printk(BIOS_DEBUG, " DQS high at coarse=%d medium=%d\n",
+ printk(RAM_DEBUG, " DQS high at coarse=%d medium=%d\n",
timing->coarse, timing->medium);
return 0;
}
@@ -316,6 +316,8 @@ void rcven(struct sysinfo *s)
struct rec_timing timing[TOTAL_BYTELANES];
u8 mincoarse;
+ printk(BIOS_DEBUG, "Starting DQS receiver enable calibration\n");
+
MCHBAR8(0x5d8) = MCHBAR8(0x5d8) & ~0xc;
MCHBAR8(0x9d8) = MCHBAR8(0x9d8) & ~0xc;
MCHBAR8(0x5dc) = MCHBAR8(0x5dc) & ~0x80;