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-rw-r--r--arch/arm/mach-orion/common.c24
1 files changed, 22 insertions, 2 deletions
diff --git a/arch/arm/mach-orion/common.c b/arch/arm/mach-orion/common.c
index 5f0ee4b8a9b7..bbc2b4ec932c 100644
--- a/arch/arm/mach-orion/common.c
+++ b/arch/arm/mach-orion/common.c
@@ -17,7 +17,9 @@
#include <linux/mv643xx_eth.h>
#include <linux/mv643xx_i2c.h>
#include <asm/page.h>
+#include <asm/setup.h>
#include <asm/timex.h>
+#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/arch/hardware.h>
#include "common.h"
@@ -177,8 +179,8 @@ static struct platform_device orion_ehci1 = {
static struct resource orion_eth_shared_resources[] = {
{
- .start = ORION_ETH_PHYS_BASE,
- .end = ORION_ETH_PHYS_BASE + 0xffff,
+ .start = ORION_ETH_PHYS_BASE + 0x2000,
+ .end = ORION_ETH_PHYS_BASE + 0x3fff,
.flags = IORESOURCE_MEM,
},
};
@@ -347,3 +349,21 @@ void __init orion_init(void)
platform_device_register(&orion_ehci1);
platform_device_register(&orion_i2c);
}
+
+/*
+ * Many orion-based systems have buggy bootloader implementations.
+ * This is a common fixup for bogus memory tags.
+ */
+void __init tag_fixup_mem32(struct machine_desc *mdesc, struct tag *t,
+ char **from, struct meminfo *meminfo)
+{
+ for (; t->hdr.size; t = tag_next(t))
+ if (t->hdr.tag == ATAG_MEM &&
+ (!t->u.mem.size || t->u.mem.size & ~PAGE_MASK ||
+ t->u.mem.start & ~PAGE_MASK)) {
+ printk(KERN_WARNING
+ "Clearing invalid memory bank %dKB@0x%08x\n",
+ t->u.mem.size / 1024, t->u.mem.start);
+ t->hdr.tag = 0;
+ }
+}