diff options
Diffstat (limited to 'src/soc/amd/picasso/early_fch.c')
-rw-r--r-- | src/soc/amd/picasso/early_fch.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/src/soc/amd/picasso/early_fch.c b/src/soc/amd/picasso/early_fch.c new file mode 100644 index 000000000000..f56a7585a444 --- /dev/null +++ b/src/soc/amd/picasso/early_fch.c @@ -0,0 +1,59 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <amdblocks/acpimmio.h> +#include <amdblocks/espi.h> +#include <amdblocks/lpc.h> +#include <amdblocks/smbus.h> +#include <amdblocks/spi.h> +#include <console/console.h> +#include <soc/i2c.h> +#include <soc/southbridge.h> +#include <soc/uart.h> +#include <types.h> + +static void lpc_configure_decodes(void) +{ + if (CONFIG(POST_IO) && (CONFIG_POST_IO_PORT == 0x80)) + lpc_enable_port80(); +} + +/* Before console init */ +void fch_pre_init(void) +{ + lpc_early_init(); + + if (!CONFIG(SOC_AMD_COMMON_BLOCK_USE_ESPI)) + lpc_configure_decodes(); + + fch_spi_early_init(); + enable_acpimmio_decode_pm04(); + fch_smbus_init(); + fch_enable_cf9_io(); + fch_enable_legacy_io(); + enable_aoac_devices(); + sb_reset_i2c_slaves(); + + /* + * On reset Range_0 defaults to enabled. We want to start with a clean + * slate to not have things unexpectedly enabled. + */ + clear_uart_legacy_config(); + + if (CONFIG(PICASSO_CONSOLE_UART)) + set_uart_config(CONFIG_UART_FOR_CONSOLE); +} + +/* After console init */ +void fch_early_init(void) +{ + fch_print_pmxc0_status(); + i2c_soc_early_init(); + + if (CONFIG(DISABLE_SPI_FLASH_ROM_SHARING)) + lpc_disable_spi_rom_sharing(); + + if (CONFIG(SOC_AMD_COMMON_BLOCK_USE_ESPI)) { + espi_setup(); + espi_configure_decodes(); + } +} |