diff options
Diffstat (limited to 'arch/arm/mach-orion/common.c')
| -rw-r--r-- | arch/arm/mach-orion/common.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/mach-orion/common.c b/arch/arm/mach-orion/common.c index 5f0ee4b8a9b..2d6d413f023 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" @@ -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; + } +} |