diff options
Diffstat (limited to 'arch/hexagon/include/asm/mem-layout.h')
| -rw-r--r-- | arch/hexagon/include/asm/mem-layout.h | 21 |
1 files changed, 15 insertions, 6 deletions
diff --git a/arch/hexagon/include/asm/mem-layout.h b/arch/hexagon/include/asm/mem-layout.h index af16e977c55..1426cd71a1d 100644 --- a/arch/hexagon/include/asm/mem-layout.h +++ b/arch/hexagon/include/asm/mem-layout.h @@ -32,16 +32,25 @@ #define PAGE_OFFSET _AC(0xc0000000, UL) /* - * LOAD_ADDRESS is the physical/linear address of where in memory - * the kernel gets loaded. The 12 least significant bits must be zero (0) - * due to limitations on setting the EVB - * + * Compiling for a platform that needs a crazy physical offset + * (like if the memory starts at 1GB and up) means we need + * an actual PHYS_OFFSET. Should be set up in head.S. */ -#ifndef LOAD_ADDRESS -#define LOAD_ADDRESS 0x00000000 +#ifdef CONFIG_HEXAGON_PHYS_OFFSET +#ifndef __ASSEMBLY__ +extern unsigned long __phys_offset; +#endif +#define PHYS_OFFSET __phys_offset +#endif + +#ifndef PHYS_OFFSET +#define PHYS_OFFSET 0 #endif +#define PHYS_PFN_OFFSET (PHYS_OFFSET >> PAGE_SHIFT) +#define ARCH_PFN_OFFSET PHYS_PFN_OFFSET + #define TASK_SIZE (PAGE_OFFSET) /* not sure how these are used yet */ |