| /* SPDX-License-Identifier: GPL-2.0-only */ | |
| #include <amdblocks/spi.h> | |
| #include <soc/espi.h> | |
| #include <types.h> | |
| #define ESPI_CNTRL_REGISTER 0x10 /* SPI register, not eSPI register! */ | |
| #define LOCK_SPIX10_BIT2 BIT(3) | |
| #define ESPI_MUX_SPI1 BIT(2) | |
| #define ROM_ADDR_WR_PROT BIT(1) | |
| #define DIS_ESPI_MASCTL_REG_WR BIT(0) | |
| void espi_switch_to_spi1_pads(void) | |
| { | |
| uint8_t reg = spi_read8(ESPI_CNTRL_REGISTER); | |
| reg |= ESPI_MUX_SPI1; | |
| spi_write8(ESPI_CNTRL_REGISTER, reg); | |
| } |