diff options
| author | Michał Żygowski <michal.zygowski@3mdeb.com> | 2020-04-13 20:37:36 +0200 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-04-15 14:01:56 +0000 |
| commit | 9ff2af2b479e699a77cdb5de3835be25129c37ef (patch) | |
| tree | 44dbd8812b5d5084c3f0401bdaf9ea220f62178f /src/southbridge/intel | |
| parent | 5a73fc35e23b15b0a80e2a26553953764907be1d (diff) | |
sb/intel/bd82x6x/lpc.c: configure CLKRUN_EN according to SKU
CLKRUN_EN bit available for mobile is reserved on desktop SKUs.
PSEUDO_CLKRUN_EN bit available for desktop is reserved for mobile SKUs.
Configure these bits accordign to SKU.
Signed-off-by: Michał Żygowski <michal.zygowski@3mdeb.com>
Change-Id: I5295eb2bec27c77f800cc2ade9093e97ede47789
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40347
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
Diffstat (limited to 'src/southbridge/intel')
| -rw-r--r-- | src/southbridge/intel/bd82x6x/lpc.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/southbridge/intel/bd82x6x/lpc.c b/src/southbridge/intel/bd82x6x/lpc.c index 27f45e359b..278e90ac00 100644 --- a/src/southbridge/intel/bd82x6x/lpc.c +++ b/src/southbridge/intel/bd82x6x/lpc.c @@ -20,6 +20,7 @@ #include "chip.h" #include "pch.h" #include "nvs.h" +#include <northbridge/intel/sandybridge/sandybridge.h> #include <southbridge/intel/common/pciehp.h> #include <southbridge/intel/common/acpi_pirq_gen.h> #include <southbridge/intel/common/pmutil.h> @@ -373,7 +374,12 @@ static void enable_clock_gating(struct device *dev) RCBA32_AND_OR(DMIC, ~0UL, 0xf); reg16 = pci_read_config16(dev, GEN_PMCON_1); - reg16 |= (1 << 2) | (1 << 11); + reg16 &= ~(3 << 2); /* Clear CLKRUN bits for mobile and desktop */ + if (get_platform_type() == PLATFORM_MOBILE) + reg16 |= (1 << 2); /* CLKRUN_EN for mobile */ + else if (get_platform_type() == PLATFORM_DESKTOP_SERVER) + reg16 |= (1 << 3); /* PSEUDO_CLKRUN_EN for desktop */ + reg16 |= (1 << 11); pci_write_config16(dev, GEN_PMCON_1, reg16); pch_iobp_update(0xEB007F07, ~0UL, (1 << 31)); |