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authorRob Herring <rob.herring@calxeda.com>2013-08-25 23:47:48 +0200
committerRob Herring <rob.herring@calxeda.com>2013-10-09 18:39:00 +0200
commitec2eaa73b3d21776f46797a2eef983d7be09a964 (patch)
treeaa79b3e6d57983743344375316f60a08c99e7dc6 /arch/arm64
parentarm: set initrd_start/initrd_end for fdt scan (diff)
downloadlinux-ec2eaa73b3d21776f46797a2eef983d7be09a964.tar.xz
linux-ec2eaa73b3d21776f46797a2eef983d7be09a964.zip
arm64: set initrd_start/initrd_end for fdt scan
In order to unify the initrd scanning for DT across architectures, make arm64 use initrd_start and initrd_end instead of the physical addresses. Signed-off-by: Rob Herring <rob.herring@calxeda.com> Acked-by: Catalin Marinas <catalin.marinas@arm.com> Cc: Will Deacon <will.deacon@arm.com> Cc: linux-arm-kernel@lists.infradead.org
Diffstat (limited to 'arch/arm64')
-rw-r--r--arch/arm64/mm/init.c24
1 files changed, 6 insertions, 18 deletions
diff --git a/arch/arm64/mm/init.c b/arch/arm64/mm/init.c
index de2de5db628d..8261f4e60795 100644
--- a/arch/arm64/mm/init.c
+++ b/arch/arm64/mm/init.c
@@ -39,17 +39,9 @@
#include "mm.h"
-static unsigned long phys_initrd_start __initdata = 0;
-static unsigned long phys_initrd_size __initdata = 0;
-
phys_addr_t memstart_addr __read_mostly = 0;
-void __init early_init_dt_setup_initrd_arch(u64 start, u64 end)
-{
- phys_initrd_start = start;
- phys_initrd_size = end - start;
-}
-
+#ifdef CONFIG_BLK_DEV_INITRD
static int __init early_initrd(char *p)
{
unsigned long start, size;
@@ -59,12 +51,13 @@ static int __init early_initrd(char *p)
if (*endp == ',') {
size = memparse(endp + 1, NULL);
- phys_initrd_start = start;
- phys_initrd_size = size;
+ initrd_start = (unsigned long)__va(start);
+ initrd_end = (unsigned long)__va(start + size);
}
return 0;
}
early_param("initrd", early_initrd);
+#endif
#define MAX_DMA32_PFN ((4UL * 1024 * 1024 * 1024) >> PAGE_SHIFT)
@@ -137,13 +130,8 @@ void __init arm64_memblock_init(void)
/* Register the kernel text, kernel data and initrd with memblock */
memblock_reserve(__pa(_text), _end - _text);
#ifdef CONFIG_BLK_DEV_INITRD
- if (phys_initrd_size) {
- memblock_reserve(phys_initrd_start, phys_initrd_size);
-
- /* Now convert initrd to virtual addresses */
- initrd_start = __phys_to_virt(phys_initrd_start);
- initrd_end = initrd_start + phys_initrd_size;
- }
+ if (initrd_start)
+ memblock_reserve(__virt_to_phys(initrd_start), initrd_end - initrd_start);
#endif
/*