diff options
Diffstat (limited to 'src/mainboard/asus/kfsn4-dre_k8/bootblock.c')
| -rw-r--r-- | src/mainboard/asus/kfsn4-dre_k8/bootblock.c | 81 |
1 files changed, 0 insertions, 81 deletions
diff --git a/src/mainboard/asus/kfsn4-dre_k8/bootblock.c b/src/mainboard/asus/kfsn4-dre_k8/bootblock.c deleted file mode 100644 index 454443f370..0000000000 --- a/src/mainboard/asus/kfsn4-dre_k8/bootblock.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2015 Timothy Pearson <tpearson@raptorengineeringinc.com>, Raptor Engineering - * Copyright (C) 2014 Edward O'Callaghan <eocallaghan@alterapraxis.com> - * - * 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 <pc80/mc146818rtc.h> - -#include <superio/winbond/common/winbond.h> -#include <superio/winbond/w83627thg/w83627thg.h> - -#define GPIO_DEV PNP_DEV(0x2e, W83627THG_GPIO3) - -#define WINBOND_ENTRY_KEY 0x87 -#define WINBOND_EXIT_KEY 0xAA - -/* Enable configuration: pass entry key '0x87' into index port dev. */ -static void pnp_enter_conf_state(pnp_devfn_t dev) -{ - u16 port = dev >> 8; - outb(WINBOND_ENTRY_KEY, port); - outb(WINBOND_ENTRY_KEY, port); -} - -/* Disable configuration: pass exit key '0xAA' into index port dev. */ -static void pnp_exit_conf_state(pnp_devfn_t dev) -{ - u16 port = dev >> 8; - outb(WINBOND_EXIT_KEY, port); -} - -uint8_t bootblock_read_recovery_jumper(pnp_devfn_t dev) -{ - uint8_t recovery_enabled = 0; - - pnp_enter_conf_state(dev); - pnp_set_logical_device(dev); - pnp_set_enable(dev, 1); /* Enable GPIO3 */ - pnp_write_config(dev, 0xf0, 0xff); /* Set GPIO3 to input */ - recovery_enabled = !(pnp_read_config(dev, 0xf1) & 0x08); /* Read GP33 */ - pnp_exit_conf_state(dev); - - return recovery_enabled; -} - -void bootblock_mainboard_init(void) -{ - uint8_t recovery_enabled; - unsigned char addr; - unsigned char byte; - - recovery_enabled = bootblock_read_recovery_jumper(GPIO_DEV); - if (recovery_enabled) { -#if IS_ENABLED(CONFIG_USE_OPTION_TABLE) - /* Clear NVRAM checksum */ - for (addr = LB_CKS_RANGE_START; addr <= LB_CKS_RANGE_END; addr++) { - cmos_write(0x0, addr); - } - - /* Set fallback boot */ - byte = cmos_read(RTC_BOOT_BYTE); - byte &= 0xfc; - cmos_write(byte, RTC_BOOT_BYTE); -#else - /* FIXME - * Figure out how to recover if the option table is not available - */ -#endif - } -} |