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>

1 files changed, 7 insertions, 6 deletions

diff --git a/arch/arm/mm/init.c b/arch/arm/mm/init.c
index 68c914e8544e..2ffee02d1d5c 100644
--- a/arch/arm/mm/init.c
+++ b/arch/arm/mm/init.c
@@ -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) {