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authorMichał Żygowski <michal.zygowski@3mdeb.com>2022-04-07 15:10:35 +0200
committerMichał Żygowski <michal.zygowski@3mdeb.com>2022-04-11 08:48:34 +0000
commitbc749a068ad8640497abb1985f0ccfdd66cd5ffb (patch)
tree37b10c4e7ccb94f534f4d7cd6ea368db8841a042
parentdccfb8a2158287be48522f9f70fd3e83b84c671f (diff)
soc/intel/alderlake/bootblock/pch.c: Enable SIO 4e/4f ports decoding
Some Super I/Os may be strapped to respond on the secondary ports 0x4e/0x4f. Enable them early so that mainboard is able to initialize a serial port for example. Signed-off-by: Michał Żygowski <michal.zygowski@3mdeb.com> Change-Id: I6df158f54a48fb9f3173a4b209316c8116aa265a Reviewed-on: https://review.coreboot.org/c/coreboot/+/63461 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
-rw-r--r--src/soc/intel/alderlake/bootblock/pch.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/soc/intel/alderlake/bootblock/pch.c b/src/soc/intel/alderlake/bootblock/pch.c
index 60f3a851b7..bd204cdb64 100644
--- a/src/soc/intel/alderlake/bootblock/pch.c
+++ b/src/soc/intel/alderlake/bootblock/pch.c
@@ -103,8 +103,8 @@ static void soc_config_acpibase(void)
void pch_early_iorange_init(void)
{
- uint16_t io_enables = LPC_IOE_SUPERIO_2E_2F | LPC_IOE_KBC_60_64 |
- LPC_IOE_EC_62_66 | LPC_IOE_LGE_200;
+ uint16_t io_enables = LPC_IOE_SUPERIO_2E_2F | LPC_IOE_EC_4E_4F |
+ LPC_IOE_KBC_60_64 | LPC_IOE_EC_62_66 | LPC_IOE_LGE_200;
/* IO Decode Range */
if (CONFIG(DRIVERS_UART_8250IO))