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ARM: LPAE: use phys_addr_t for initrd location 

This patch fixes the initrd setup code to use phys_addr_t instead of assuming
32-bit addressing.  Without this we cannot boot on systems where initrd is
located above the 4G physical address limit.

Signed-off-by: Vitaly Andrianov <vitalya@ti.com>
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Tested-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Tested-by: Subash Patel <subash.rp@samsung.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
This commit is contained in:
Vitaly Andrianov 2012-06-22 14:26:04 -04:00 committed by Will Deacon
parent 56bc628666
commit de22cc6e33
1 changed files with 7 additions and 6 deletions
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13
arch/arm/mm/init.c
View File

@ -36,12 +36,13 @@
#include "mm.h"
static unsigned long phys_initrd_start __initdata = 0;
static phys_addr_t phys_initrd_start __initdata = 0;
static unsigned long phys_initrd_size __initdata = 0;
static int __init early_initrd(char *p)
{
unsigned long start, size;
phys_addr_t start;
unsigned long size;
char *endp;
start = memparse(p, &endp);
@ -350,14 +351,14 @@ void __init arm_memblock_init(struct meminfo *mi, struct machine_desc *mdesc)
#ifdef CONFIG_BLK_DEV_INITRD
if (phys_initrd_size &&
!memblock_is_region_memory(phys_initrd_start, phys_initrd_size)) {
pr_err("INITRD: 0x%08lx+0x%08lx is not a memory region - disabling initrd\n",
phys_initrd_start, phys_initrd_size);
pr_err("INITRD: 0x%08llx+0x%08lx is not a memory region - disabling initrd\n",
(u64)phys_initrd_start, phys_initrd_size);
phys_initrd_start = phys_initrd_size = 0;
}
if (phys_initrd_size &&
memblock_is_region_reserved(phys_initrd_start, phys_initrd_size)) {
pr_err("INITRD: 0x%08lx+0x%08lx overlaps in-use memory region - disabling initrd\n",
phys_initrd_start, phys_initrd_size);
pr_err("INITRD: 0x%08llx+0x%08lx overlaps in-use memory region - disabling initrd\n",
(u64)phys_initrd_start, phys_initrd_size);
phys_initrd_start = phys_initrd_size = 0;
}
if (phys_initrd_size) {