diff options
Diffstat (limited to 'src/southbridge/intel/bd82x6x/early_pch.c')
| -rw-r--r-- | src/southbridge/intel/bd82x6x/early_pch.c | 21 |
1 files changed, 18 insertions, 3 deletions
diff --git a/src/southbridge/intel/bd82x6x/early_pch.c b/src/southbridge/intel/bd82x6x/early_pch.c index 73fce3bf9f..df9fdefec1 100644 --- a/src/southbridge/intel/bd82x6x/early_pch.c +++ b/src/southbridge/intel/bd82x6x/early_pch.c @@ -254,8 +254,22 @@ static void pch_generic_setup(void) write_pmbase16(TCO1_CNT, 1 << 11); /* halt timer */ } -static void pch_enable_lpc_gen_decode(void) +static void pch_enable_lpc_decode(void) { + /* + * 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 + */ + pci_write_config16(PCH_LPC_DEV, LPC_IO_DEC, 0x0010); + pci_write_config16(PCH_LPC_DEV, LPC_EN, CNF2_LPC_EN | CNF1_LPC_EN + | MC_LPC_EN | KBC_LPC_EN | FDD_LPC_EN | LPT_LPC_EN + | COMB_LPC_EN | COMA_LPC_EN); + const struct device *dev = pcidev_on_root(0x1f, 0); const struct southbridge_intel_bd82x6x_config *config = NULL; @@ -275,9 +289,10 @@ static void pch_enable_lpc_gen_decode(void) void early_pch_init(void) { - pch_enable_lpc(); - pch_enable_lpc_gen_decode(); + pch_enable_lpc_decode(); + + pch_enable_lpc(); pch_enable_bars(); |