diff options
Diffstat (limited to 'src/southbridge')
| -rw-r--r-- | src/southbridge/amd/common/amd_defs.h | 22 | ||||
| -rw-r--r-- | src/southbridge/amd/sb800/early_setup.c | 5 |
2 files changed, 25 insertions, 2 deletions
diff --git a/src/southbridge/amd/common/amd_defs.h b/src/southbridge/amd/common/amd_defs.h new file mode 100644 index 000000000000..55db30f40926 --- /dev/null +++ b/src/southbridge/amd/common/amd_defs.h @@ -0,0 +1,22 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2017 Raptor Engineering, LLC + * + * 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. + */ + + +#ifndef _AMD_SB_DEFS_H_ +#define _AMD_SB_DEFS_H_ + +#define AMD_SB_ACPI_MMIO_ADDR 0xfed80000ul + +#endif diff --git a/src/southbridge/amd/sb800/early_setup.c b/src/southbridge/amd/sb800/early_setup.c index 54e6ada79be3..7ac6ec85fec4 100644 --- a/src/southbridge/amd/sb800/early_setup.c +++ b/src/southbridge/amd/sb800/early_setup.c @@ -19,6 +19,7 @@ #include <reset.h> #include <arch/acpi.h> #include <arch/cpu.h> +#include <southbridge/amd/common/amd_defs.h> #include <cbmem.h> #include "sb800.h" #include "smbus.c" @@ -107,8 +108,8 @@ void sb800_clk_output_48Mhz(void) reg8 &= ~(1 << 1); pmio_write(0x24, reg8); - *(volatile u32 *)(0xFED80000+0xE00+0x40) &= ~((1 << 0) | (1 << 2)); /* 48Mhz */ - *(volatile u32 *)(0xFED80000+0xE00+0x40) |= 1 << 1; /* 48Mhz */ + *(volatile u32 *)(AMD_SB_ACPI_MMIO_ADDR+0xE00+0x40) &= ~((1 << 0) | (1 << 2)); /* 48Mhz */ + *(volatile u32 *)(AMD_SB_ACPI_MMIO_ADDR+0xE00+0x40) |= 1 << 1; /* 48Mhz */ } /*************************************** * Legacy devices are mapped to LPC space. |