diff options
Diffstat (limited to 'src/mainboard/erying/tgl/bootblock.c')
| -rw-r--r-- | src/mainboard/erying/tgl/bootblock.c | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/src/mainboard/erying/tgl/bootblock.c b/src/mainboard/erying/tgl/bootblock.c new file mode 100644 index 0000000000..15be8ce2d8 --- /dev/null +++ b/src/mainboard/erying/tgl/bootblock.c @@ -0,0 +1,16 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <bootblock_common.h> +#include <superio/ite/common/ite.h> +#include <superio/ite/it8613e/it8613e.h> +#include <gpio.h> + +#define GPIO_DEV PNP_DEV(0x2e, IT8613E_GPIO) +#define UART_DEV PNP_DEV(0x2e, IT8613E_SP1) + +void bootblock_mainboard_early_init(void) +{ + ite_reg_write(GPIO_DEV, 0x29, 0xc1); /* 3VSB - RAM loses power in S3 anyway */ + ite_reg_write(GPIO_DEV, 0x2c, 0x41); /* disable k8 power seq */ + ite_enable_serial(UART_DEV, CONFIG_TTYS0_BASE); +} |