diff options
| author | Arthur Heymans <arthur@aheymans.xyz> | 2019-11-20 12:17:18 +0100 |
|---|---|---|
| committer | Arthur Heymans <arthur@aheymans.xyz> | 2019-11-22 13:15:51 +0000 |
| commit | d5e7a6d9c506be28308c3df6527eab2edca219bc (patch) | |
| tree | 1c9b8b7d8e3de623520808e8eaa85c8718e4622c /src/southbridge/intel | |
| parent | 4debbe74acdeb2934c9a93da70ab34a3f5169837 (diff) | |
sb/intel/ibexpeak: Decode more LPC IO ranges
3b452e0 "nb/intel/nehalem: Move PCH init to sb/intel/ibexpeak"
introduced a regression where the GAME_L decode range was not set
up, which is used by the WACOM digitizer on the Thinkpad X201T.
Change-Id: Ie569d567a65010aa5372323f8610a1b8b5d2599d
Signed-off-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36994
Reviewed-by: Nico Huber <nico.h@gmx.de>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/southbridge/intel')
| -rw-r--r-- | src/southbridge/intel/ibexpeak/bootblock.c | 24 |
1 files changed, 15 insertions, 9 deletions
diff --git a/src/southbridge/intel/ibexpeak/bootblock.c b/src/southbridge/intel/ibexpeak/bootblock.c index 599e182a59..c8b1d6ef31 100644 --- a/src/southbridge/intel/ibexpeak/bootblock.c +++ b/src/southbridge/intel/ibexpeak/bootblock.c @@ -62,15 +62,21 @@ static void early_lpc_init(void) const struct device *dev = pcidev_on_root(0x1f, 0); const struct southbridge_intel_ibexpeak_config *config = NULL; - /* Add some default decode ranges: - - 0x2e/2f, 0x4e/0x4f - - EC/Mouse/KBC 60/64, 62/66 - - 0x3f8 COMA - If more are needed, update in mainboard_lpc_init hook - */ - pci_write_config16(PCH_LPC_DEV, LPC_EN, - CNF2_LPC_EN | CNF1_LPC_EN | MC_LPC_EN | KBC_LPC_EN | - COMA_LPC_EN); + /* + * Enable some common LPC IO ranges: + * - 0x2e/0x2f, 0x4e/0x4f often SuperIO + * - 0x60/0x64, 0x62/0x66 often KBC/EC + * - 0x3f0-0x3f5/0x3f7 FDD + * - 0x378-0x37f and 0x778-0x77f LPT + * - 0x2f8-0x2ff COMB + * - 0x3f8-0x3ff COMA + * - 0x208-0x20f GAMEH + * - 0x200-0x207 GAMEL + */ + pci_write_config16(PCH_LPC_DEV, LPC_EN, CNF2_LPC_EN | CNF1_LPC_EN + | MC_LPC_EN | KBC_LPC_EN | GAMEH_LPC_EN + | GAMEL_LPC_EN | FDD_LPC_EN | LPT_LPC_EN + | COMB_LPC_EN | COMA_LPC_EN); pci_write_config16(PCH_LPC_DEV, LPC_IO_DEC, 0x10); /* Clear PWR_FLR */ |