diff options
Diffstat (limited to 'src/southbridge/amd/sb700/ramtop.c')
-rw-r--r-- | src/southbridge/amd/sb700/ramtop.c | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/src/southbridge/amd/sb700/ramtop.c b/src/southbridge/amd/sb700/ramtop.c deleted file mode 100644 index 4d261210fe..0000000000 --- a/src/southbridge/amd/sb700/ramtop.c +++ /dev/null @@ -1,51 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2010 Advanced Micro Devices, Inc. - * - * 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; version 2 of the License. - * - * 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 <stdint.h> -#include <arch/io.h> -#include <arch/acpi.h> -#include <cbmem.h> -#include "sb700.h" - -int acpi_get_sleep_type(void) -{ - u16 tmp; - tmp = inw(ACPI_PM1_CNT_BLK); - return ((tmp & (7 << 10)) >> 10); -} - -void backup_top_of_low_cacheable(uintptr_t ramtop) -{ - u32 dword = (u32) ramtop; - int nvram_pos = 0xfc, i; - for (i = 0; i < 4; i++) { - outb(nvram_pos, BIOSRAM_INDEX); - outb((dword >> (8 * i)) & 0xff, BIOSRAM_DATA); - nvram_pos++; - } -} - -uintptr_t restore_top_of_low_cacheable(void) -{ - uint32_t xdata = 0; - int xnvram_pos = 0xfc, xi; - for (xi = 0; xi < 4; xi++) { - outb(xnvram_pos, BIOSRAM_INDEX); - xdata &= ~(0xff << (xi * 8)); - xdata |= inb(BIOSRAM_DATA) << (xi *8); - xnvram_pos++; - } - return xdata; -} |