diff options
Diffstat (limited to 'src/northbridge')
| -rw-r--r-- | src/northbridge/amd/pi/Makefile.inc | 3 | ||||
| -rw-r--r-- | src/northbridge/amd/pi/ramtop.c | 33 |
2 files changed, 0 insertions, 36 deletions
diff --git a/src/northbridge/amd/pi/Makefile.inc b/src/northbridge/amd/pi/Makefile.inc index ffafc6038f..61917c9d48 100644 --- a/src/northbridge/amd/pi/Makefile.inc +++ b/src/northbridge/amd/pi/Makefile.inc @@ -19,7 +19,4 @@ subdirs-$(CONFIG_NORTHBRIDGE_AMD_PI_00630F01) += 00630F01 subdirs-$(CONFIG_NORTHBRIDGE_AMD_PI_00730F01) += 00730F01 subdirs-$(CONFIG_NORTHBRIDGE_AMD_PI_00660F01) += 00660F01 -romstage-y += ramtop.c -postcar-y += ramtop.c -ramstage-y += ramtop.c endif diff --git a/src/northbridge/amd/pi/ramtop.c b/src/northbridge/amd/pi/ramtop.c deleted file mode 100644 index 823a15c079..0000000000 --- a/src/northbridge/amd/pi/ramtop.c +++ /dev/null @@ -1,33 +0,0 @@ -/* - * This file is part of the coreboot project. - * - * 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. - */ - -#define __SIMPLE_DEVICE__ - -#include <stdint.h> -#include <device/pci_ops.h> -#include <cbmem.h> - -#define CBMEM_TOP_SCRATCHPAD 0x78 - -void backup_top_of_low_cacheable(uintptr_t ramtop) -{ - uint16_t top_cache = ramtop >> 16; - pci_write_config16(PCI_DEV(0,0,0), CBMEM_TOP_SCRATCHPAD, top_cache); -} - -uintptr_t restore_top_of_low_cacheable(void) -{ - uint16_t top_cache; - top_cache = pci_read_config16(PCI_DEV(0,0,0), CBMEM_TOP_SCRATCHPAD); - return (top_cache << 16); -} |