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mb/intel/emeraldlake2: Revise early init 

Move UART initialization to bootblock_mainboard_early_init() and don't
override the generic LPC decode settings.

Change-Id: Icdab36ae0324175d3d51a050784b94a53d4b3b7c
Signed-off-by: Nico Huber <nico.h@gmx.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/36893
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
This commit is contained in:
Nico Huber 2019-11-17 01:35:14 +01:00 committed by Patrick Georgi
parent 9f2eca50ea
commit 052e3ef334
1 changed files with 2 additions and 15 deletions
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17
src/mainboard/intel/emeraldlake2/early_init.c
View File

@ -29,26 +29,13 @@
#define SIO_PORT 0x164e
void mainboard_pch_lpc_setup(void)
{
pci_devfn_t dev = PCH_LPC_DEV;
/* Enable SuperIO + PS/2 Keyboard/Mouse */
u16 lpc_config = CNF1_LPC_EN | CNF2_LPC_EN | KBC_LPC_EN;
pci_write_config16(dev, LPC_EN, lpc_config);
/* Enable COM1 */
if (sio1007_enable_uart_at(SIO_PORT)) {
pci_write_config16(dev, LPC_EN,
lpc_config | COMA_LPC_EN);
}
}
void bootblock_mainboard_early_init(void)
{
const u16 port = SIO_PORT;
const u16 runtime_port = 0x180;
sio1007_enable_uart_at(port);
/* Turn on configuration mode. */
outb(0x55, port);