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-rw-r--r--src/mainboard/intel/emeraldlake2/romstage.c22
1 files changed, 10 insertions, 12 deletions
diff --git a/src/mainboard/intel/emeraldlake2/romstage.c b/src/mainboard/intel/emeraldlake2/romstage.c
index 7691116276..363299df4b 100644
--- a/src/mainboard/intel/emeraldlake2/romstage.c
+++ b/src/mainboard/intel/emeraldlake2/romstage.c
@@ -42,31 +42,29 @@
#include <vendorcode/google/chromeos/chromeos.h>
#endif
+#define SIO_PORT 0x164e
+
static void pch_enable_lpc(void)
{
device_t dev = PCH_LPC_DEV;
- int i;
/* Set COM1/COM2 decode range */
pci_write_config16(dev, LPC_IO_DEC, 0x0010);
- /* Enable SuperIO + COM1 + PS/2 Keyboard/Mouse */
- u16 lpc_config = CNF1_LPC_EN | CNF2_LPC_EN | COMA_LPC_EN | KBC_LPC_EN;
+ /* 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);
/* Map 256 bytes at 0x1600 to the LPC bus. */
pci_write_config32(dev, LPC_GEN1_DEC, 0xfc1601);
- /* Map a range for the runtime registers to the LPC bus. */
+ /* Map a range for the runtime_port registers to the LPC bus. */
pci_write_config32(dev, LPC_GEN2_DEC, 0xc0181);
- for (i = 0; i < ARRAY_SIZE(sio1007_lpc_ports); i++) {
- if (sio1007_enable_uart_at(sio1007_lpc_ports[i])) {
- /* Keep COMA UART enable bit on. */
- pci_write_config16(dev, LPC_EN,
- lpc_config | COMA_LPC_EN);
- break;
- }
+ /* Enable COM1 */
+ if (sio1007_enable_uart_at(SIO_PORT)) {
+ pci_write_config16(dev, LPC_EN,
+ lpc_config | COMA_LPC_EN);
}
}
@@ -132,7 +130,7 @@ static void early_pch_init(void)
static void setup_sio_gpios(void)
{
- const u16 port = 0x164e;
+ const u16 port = SIO_PORT;
const u16 runtime_port = 0x180;
/* Turn on configuration mode. */