diff options
Diffstat (limited to 'src/mainboard/foxconn/d41s/early_init.c')
-rw-r--r-- | src/mainboard/foxconn/d41s/early_init.c | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/src/mainboard/foxconn/d41s/early_init.c b/src/mainboard/foxconn/d41s/early_init.c new file mode 100644 index 0000000000..6568d96139 --- /dev/null +++ b/src/mainboard/foxconn/d41s/early_init.c @@ -0,0 +1,47 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2015 Damien Zammit <damien@zamaudio.com> + * Copyright (C) 2018 Arthur Heymans <arthur@aheymans.xyz> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + */ + +#include <bootblock_common.h> +#include <device/pci_ops.h> +#include <southbridge/intel/i82801gx/i82801gx.h> +#include <northbridge/intel/pineview/pineview.h> +#include <superio/ite/common/ite.h> +#include <superio/ite/it8721f/it8721f.h> + +#define SERIAL_DEV PNP_DEV(0x2e, IT8721F_SP1) + +void bootblock_mainboard_early_init(void) +{ + /* Disable Serial IRQ */ + pci_write_config8(PCI_DEV(0, 0x1f, 0), SERIRQ_CNTL, 0xd0); + /* Decode range */ + pci_or_config16(PCI_DEV(0, 0x1f, 0), LPC_IO_DEC, 0x0010); + pci_write_config16(PCI_DEV(0, 0x1f, 0), LPC_EN, CNF1_LPC_EN | KBC_LPC_EN + | FDD_LPC_EN | LPT_LPC_EN | COMB_LPC_EN + | COMA_LPC_EN); + + /* Environment Controller */ + pci_write_config32(PCI_DEV(0, 0x1f, 0), GEN1_DEC, 0x00fc0a01); + + ite_enable_serial(SERIAL_DEV, CONFIG_TTYS0_BASE); +} + +void get_mb_spd_addrmap(u8 *spd_addrmap) +{ + spd_addrmap[0] = 0x50; + spd_addrmap[1] = 0x51; +} |