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nb/intel/x4x/rcven.c: Change the verbosity of some messages

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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>
This commit is contained in:
Arthur Heymans 2017-12-16 21:04:46 +01:00 committed by Patrick Georgi
parent 276049f9ee
commit a4e8f67b94
1 changed files with 10 additions and 8 deletions
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18
src/northbridge/intel/x4x/rcven.c
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@ -138,7 +138,7 @@ static int decrease_tap(struct rec_timing *timing)
static int decr_coarse_low(u8 channel, u8 lane, u32 addr, static int decr_coarse_low(u8 channel, u8 lane, u32 addr,
struct rec_timing *timing) struct rec_timing *timing)
{ {
printk(BIOS_DEBUG, printk(RAM_DEBUG,
" Decreasing coarse until high to low transition is found\n"); " Decreasing coarse until high to low transition is found\n");
while (sampledqs(addr, lane, channel) != DQS_LOW) { while (sampledqs(addr, lane, channel) != DQS_LOW) {
if (timing->coarse == 0) { if (timing->coarse == 0) {
@ -149,7 +149,7 @@ static int decr_coarse_low(u8 channel, u8 lane, u32 addr,
timing->coarse--; timing->coarse--;
program_timing(timing, channel, lane); 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); timing->coarse, timing->medium);
return 0; 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, static int fine_search_dqs_high(u8 channel, u8 lane, u32 addr,
struct rec_timing *timing) struct rec_timing *timing)
{ {
printk(BIOS_DEBUG, printk(RAM_DEBUG,
" Increasing TAP until low to high transition is found\n"); " Increasing TAP until low to high transition is found\n");
/* /*
* We use a do while loop since it happens that the strobe read * 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); program_timing(timing, channel, lane);
} while (sampledqs(addr, lane, channel) != DQS_HIGH); } 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); timing->coarse, timing->medium, timing->tap);
return 0; return 0;
} }
@ -193,7 +193,7 @@ static int find_dqs_low(u8 channel, u8 lane, u32 addr,
struct rec_timing *timing) struct rec_timing *timing)
{ {
/* Look for DQS low, using quarter steps. */ /* 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) { while (sampledqs(addr, lane, channel) != DQS_LOW) {
if (increase_medium(timing)) { if (increase_medium(timing)) {
printk(BIOS_CRIT, printk(BIOS_CRIT,
@ -202,7 +202,7 @@ static int find_dqs_low(u8 channel, u8 lane, u32 addr,
} }
program_timing(timing, channel, lane); 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); timing->coarse, timing->medium);
return 0; return 0;
} }
@ -210,7 +210,7 @@ static int find_dqs_high(u8 channel, u8 lane, u32 addr,
struct rec_timing *timing) struct rec_timing *timing)
{ {
/* Look for DQS high, using quarter steps. */ /* 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) { while (sampledqs(addr, lane, channel) != DQS_HIGH) {
if (increase_medium(timing)) { if (increase_medium(timing)) {
printk(BIOS_CRIT, printk(BIOS_CRIT,
@ -219,7 +219,7 @@ static int find_dqs_high(u8 channel, u8 lane, u32 addr,
} }
program_timing(timing, channel, lane); 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); timing->coarse, timing->medium);
return 0; return 0;
} }
@ -316,6 +316,8 @@ void rcven(struct sysinfo *s)
struct rec_timing timing[TOTAL_BYTELANES]; struct rec_timing timing[TOTAL_BYTELANES];
u8 mincoarse; u8 mincoarse;
printk(BIOS_DEBUG, "Starting DQS receiver enable calibration\n");
MCHBAR8(0x5d8) = MCHBAR8(0x5d8) & ~0xc; MCHBAR8(0x5d8) = MCHBAR8(0x5d8) & ~0xc;
MCHBAR8(0x9d8) = MCHBAR8(0x9d8) & ~0xc; MCHBAR8(0x9d8) = MCHBAR8(0x9d8) & ~0xc;
MCHBAR8(0x5dc) = MCHBAR8(0x5dc) & ~0x80; MCHBAR8(0x5dc) = MCHBAR8(0x5dc) & ~0x80;