diff options
Diffstat (limited to 'src/southbridge/amd/cs5530/enable_rom.c')
| -rw-r--r-- | src/southbridge/amd/cs5530/enable_rom.c | 47 |
1 files changed, 0 insertions, 47 deletions
diff --git a/src/southbridge/amd/cs5530/enable_rom.c b/src/southbridge/amd/cs5530/enable_rom.c deleted file mode 100644 index 1c8079703c..0000000000 --- a/src/southbridge/amd/cs5530/enable_rom.c +++ /dev/null @@ -1,47 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de> - * - * 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. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <stdint.h> -#include "cs5530.h" - -static void cs5530_enable_rom(void) -{ - uint8_t reg8; - - /* So far all CS5530(A) ISA bridges we've seen are at 00:12.0. */ - device_t dev = PCI_DEV(0, 0x12, 0); - - /* - * Decode 0x000E0000-0x000FFFFF (128 KB), not just 64 KB, and - * decode 0xFF000000-0xFFFFFFFF (16 MB), not just 256 KB. - * - * Make the ROM write-protected. - */ - reg8 = pci_read_config8(dev, ROM_AT_LOGIC_CONTROL_REG); - reg8 |= LOWER_ROM_ADDRESS_RANGE; - reg8 |= UPPER_ROM_ADDRESS_RANGE; - reg8 &= ~ROM_WRITE_ENABLE; - pci_write_config8(dev, ROM_AT_LOGIC_CONTROL_REG, reg8); - - /* Set positive decode on ROM. */ - reg8 = pci_read_config8(dev, DECODE_CONTROL_REG2); - reg8 |= BIOS_ROM_POSITIVE_DECODE; - pci_write_config8(dev, DECODE_CONTROL_REG2, reg8); -} |