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haswell: Misc updates from 1.6.1 ref code 

These programming sequences were changed in the latest code.

Change-Id: Ia4b763a49542635713d11a9ee81f7e7f200bf841
Signed-off-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://gerrit.chromium.org/gerrit/65612
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
Reviewed-on: http://review.coreboot.org/4466
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
This commit is contained in:
Duncan Laurie 2013-08-12 13:51:22 -07:00 committed by Patrick Georgi
parent 4fb3a61fc6
commit 3106d0ffce
2 changed files with 5 additions and 17 deletions
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19
src/northbridge/intel/haswell/gma.c
View File

@ -350,20 +350,11 @@ static void gma_pm_init_post_vbios(struct device *dev)
gpu_is_ulx = 1;
/* CD Frequency */
if (gtt_read(0x42014) & 0x1000000) {
cdclk = 0; /* only 450mhz */
} else {
cdclk = 2; /* 337.5mhz, 450mhz, or 540mhz */
if (gpu_is_ulx)
cdclk = 0; /* only 337.5mhz */
if ((gtt_read(0x42014) & 0x1000000) || gpu_is_ulx || haswell_is_ult())
cdclk = 0; /* fixed frequency */
else
cdclk = 2; /* variable frequency */
/* TODO: this check does not seem right... */
if (haswell_is_ult() &&
haswell_stepping() < HASWELL_STEPPING_MOBILE_D0)
cdclk = 0; /* only 450mhz */
else
cdclk = 1; /* 337.5mhz and 450mhz */
}
if (gpu_is_ulx || cdclk != 0)
gtt_rmw(0x130040, 0xf7ffffff, 0x04000000);
else
@ -371,7 +362,7 @@ static void gma_pm_init_post_vbios(struct device *dev)
/* More magic */
if (haswell_is_ult() || gpu_is_ulx) {
if (cdclk == 1 && gpu_is_ulx == 0)
if (!gpu_is_ulx)
gtt_write(0x138128, 0x00000000);
else
gtt_write(0x138128, 0x00000001);

3
src/southbridge/intel/lynxpoint/pcie.c
View File

@ -649,9 +649,6 @@ static void pch_pcie_early(struct device *dev)
pcie_update_cfg(dev, 0x33c, ~0x00ffffff, 0x854c74);
/* Set undocumented bits in MPC2 register. */
pcie_update_cfg(dev, 0xd4, ~0, (1 << 12) | (1 << 6));
/* Set Invalid Recieve Range Check Enable in MPC register. */
pcie_update_cfg(dev, 0xd8, ~0, (1 << 25));