From d5e7a6d9c506be28308c3df6527eab2edca219bc Mon Sep 17 00:00:00 2001 From: Arthur Heymans Date: Wed, 20 Nov 2019 12:17:18 +0100 Subject: 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 Reviewed-on: https://review.coreboot.org/c/coreboot/+/36994 Reviewed-by: Nico Huber Tested-by: build bot (Jenkins) --- src/southbridge/intel/ibexpeak/bootblock.c | 24 +++++++++++++++--------- 1 file changed, 15 insertions(+), 9 deletions(-) (limited to 'src/southbridge/intel/ibexpeak') 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 */ -- cgit v1.2.3