diff options
Diffstat (limited to 'src/mainboard/amd/bilby/bootblock.c')
-rw-r--r-- | src/mainboard/amd/bilby/bootblock.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/src/mainboard/amd/bilby/bootblock.c b/src/mainboard/amd/bilby/bootblock.c new file mode 100644 index 0000000000..94a132938f --- /dev/null +++ b/src/mainboard/amd/bilby/bootblock.c @@ -0,0 +1,24 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#include <bootblock_common.h> +#include <amdblocks/lpc.h> +#include <superio/smsc/sio1036/sio1036.h> +#include "gpio.h" + +#define SERIAL_DEV PNP_DEV(CONFIG_SUPERIO_ADDR_BASE, SIO1036_SP1) + +void bootblock_mainboard_early_init(void) +{ + mainboard_program_early_gpios(); + + if (CONFIG(SUPERIO_SMSC_SIO1036)) { + if (CONFIG_SUPERIO_ADDR_BASE == 0x4e) { + lpc_enable_sio_decode(LPC_SELECT_SIO_4E4F); + } else { + // set up 16 byte wide I/O range window for the super IO + lpc_set_wideio_range(CONFIG_SUPERIO_ADDR_BASE & ~0xF, 16); + } + lpc_enable_decode(DECODE_ENABLE_SERIAL_PORT0 << CONFIG_UART_FOR_CONSOLE); + sio1036_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); + } +} |