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Diffstat (limited to 'src/southbridge/amd/cimx/sb800')
-rw-r--r--src/southbridge/amd/cimx/sb800/lpc.c10
-rw-r--r--src/southbridge/amd/cimx/sb800/lpc.h5
2 files changed, 10 insertions, 5 deletions
diff --git a/src/southbridge/amd/cimx/sb800/lpc.c b/src/southbridge/amd/cimx/sb800/lpc.c
index a1e0dc96df..519e3c1175 100644
--- a/src/southbridge/amd/cimx/sb800/lpc.c
+++ b/src/southbridge/amd/cimx/sb800/lpc.c
@@ -2,6 +2,7 @@
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Advanced Micro Devices, Inc.
+ * Copyright (C) 2014 Sage Electronic 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
@@ -33,8 +34,6 @@ void lpc_read_resources(device_t dev)
/* Get the normal pci resources of this device */
pci_dev_read_resources(dev); /* We got one for APIC, or one more for TRAP */
- pci_get_resource(dev, SPIROM_BASE_ADDRESS_REGISTER); /* SPI ROM base address */
-
/* Add an extra subtractive resource for both memory and I/O. */
res = new_resource(dev, IOINDEX_SUBTRACTIVE(0, 0));
res->base = 0;
@@ -48,6 +47,9 @@ void lpc_read_resources(device_t dev)
res->flags = IORESOURCE_MEM | IORESOURCE_SUBTRACTIVE |
IORESOURCE_ASSIGNED | IORESOURCE_FIXED;
+ /* Add a memory resource for the SPI BAR. */
+ fixed_mem_resource(dev, 2, SPI_BASE_ADDRESS / 1024, 1, IORESOURCE_SUBTRACTIVE);
+
res = new_resource(dev, 3);
res->base = IO_APIC_ADDR;
res->size = 0x00001000;
@@ -64,8 +66,8 @@ void lpc_set_resources(struct device *dev)
printk(BIOS_DEBUG, "SB800 - Lpc.c - lpc_set_resources - Start.\n");
/* Special case. SPI Base Address. The SpiRomEnable should STAY set. */
- res = find_resource(dev, SPIROM_BASE_ADDRESS_REGISTER);
- res->base |= PCI_COMMAND_MEMORY;
+ res = find_resource(dev, 2);
+ pci_write_config32(dev, SPIROM_BASE_ADDRESS_REGISTER, res->base | SPI_ROM_ENABLE);
pci_dev_set_resources(dev);
diff --git a/src/southbridge/amd/cimx/sb800/lpc.h b/src/southbridge/amd/cimx/sb800/lpc.h
index 575b9f7a75..8a657d8559 100644
--- a/src/southbridge/amd/cimx/sb800/lpc.h
+++ b/src/southbridge/amd/cimx/sb800/lpc.h
@@ -2,6 +2,7 @@
* This file is part of the coreboot project.
*
* Copyright (C) 2011 Advanced Micro Devices, Inc.
+ * Copyright (C) 2014 Sage Electronic 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
@@ -20,7 +21,9 @@
#ifndef _SB800_LPC_H_
#define _SB800_LPC_H_
-#define SPIROM_BASE_ADDRESS_REGISTER 0xA0 /* SPI ROM base address */
+#define SPIROM_BASE_ADDRESS_REGISTER 0xA0
+#define SPI_ROM_ENABLE 0x02
+#define SPI_BASE_ADDRESS 0xFEC10000
void lpc_read_resources(device_t dev);
void lpc_set_resources(device_t dev);