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| author | Nico Huber <nico.h@gmx.de> | 2019-11-17 01:35:14 +0100 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2019-11-18 11:50:47 +0000 |
| commit | 052e3ef3345b0281de7a0f751ab6d3fd1b4d6932 (patch) | |
| tree | 7730589628e52b02287abf97f8f423e35ee0fc5b /src/mainboard | |
| parent | 9f2eca50eaeb8a1b2d53867e8659d889f5ac5ad5 (diff) | |
| download | coreboot-052e3ef3345b0281de7a0f751ab6d3fd1b4d6932.tar.xz | |
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>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/intel/emeraldlake2/early_init.c | 17 |
1 files changed, 2 insertions, 15 deletions
diff --git a/src/mainboard/intel/emeraldlake2/early_init.c b/src/mainboard/intel/emeraldlake2/early_init.c index 94a46550b2..7aabf7c1ec 100644 --- a/src/mainboard/intel/emeraldlake2/early_init.c +++ b/src/mainboard/intel/emeraldlake2/early_init.c @@ -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); |