| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <amdblocks/acpimmio.h> |
| #include <bootblock_common.h> |
| #include <baseboard/variants.h> |
| #include <console/console.h> |
| #include <device/pci_ops.h> |
| #include <soc/pci_devs.h> |
| |
| void bootblock_mainboard_early_init(void) |
| { |
| size_t num_gpios; |
| uint32_t dword; |
| const struct soc_amd_gpio *gpios; |
| |
| if (!CONFIG(VBOOT_STARTS_BEFORE_BOOTBLOCK)) { |
| gpios = variant_early_gpio_table(&num_gpios); |
| gpio_configure_pads(gpios, num_gpios); |
| } |
| |
| printk(BIOS_DEBUG, "Bootblock configure eSPI\n"); |
| |
| dword = pci_read_config32(SOC_LPC_DEV, 0x78); |
| dword &= 0xFFFFF9F3; |
| dword |= 0x200; |
| pci_write_config32(SOC_LPC_DEV, 0x78, dword); |
| pci_write_config32(SOC_LPC_DEV, 0x44, 0); |
| pci_write_config32(SOC_LPC_DEV, 0x48, 0); |
| |
| dword = pm_read32(0x90); |
| dword |= 1 << 16; |
| pm_write32(0x90, dword); |
| |
| dword = pm_read32(0x74); |
| dword |= 3 << 10; |
| pm_write32(0x74, dword); |
| } |