アーキテクチャごとの定義位置を検索した結果
$ egrep -r 'define[\t ]*PHYS_OFFSET' arch/arm | sort
arch/arm/include/asm/memory.h:#define PHYS_OFFSET (CONFIG_DRAM_BASE)
arch/arm/mach-aaec2000/include/mach/memory.h:#define PHYS_OFFSET UL(0xf0000000)
arch/arm/mach-at91/include/mach/memory.h:#define PHYS_OFFSET (AT91_SDRAM_BASE)
arch/arm/mach-bcmring/include/mach/memory.h:#define PHYS_OFFSET CFG_GLOBAL_RAM_BASE
arch/arm/mach-clps711x/include/mach/memory.h:#define PHYS_OFFSET UL(0xc0000000)
arch/arm/mach-davinci/include/mach/memory.h:#define PHYS_OFFSET DA8XX_DDR_BASE
arch/arm/mach-davinci/include/mach/memory.h:#define PHYS_OFFSET DAVINCI_DDR_BASE
arch/arm/mach-dove/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-ebsa110/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-ep93xx/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-ep93xx/include/mach/memory.h:#define PHYS_OFFSET UL(0xc0000000)
arch/arm/mach-ep93xx/include/mach/memory.h:#define PHYS_OFFSET UL(0xd0000000)
arch/arm/mach-ep93xx/include/mach/memory.h:#define PHYS_OFFSET UL(0xe0000000)
arch/arm/mach-ep93xx/include/mach/memory.h:#define PHYS_OFFSET UL(0xf0000000)
arch/arm/mach-footbridge/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-gemini/include/mach/memory.h:# define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-gemini/include/mach/memory.h:# define PHYS_OFFSET UL(0x10000000)
arch/arm/mach-h720x/include/mach/memory.h:#define PHYS_OFFSET UL(0x40000000)
arch/arm/mach-integrator/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-iop13xx/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-iop32x/include/mach/memory.h:#define PHYS_OFFSET UL(0xa0000000)
arch/arm/mach-iop33x/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-ixp2000/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-ixp23xx/include/mach/memory.h:#define PHYS_OFFSET (0x00000000)
arch/arm/mach-ixp4xx/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-kirkwood/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-ks8695/include/mach/memory.h:#define PHYS_OFFSET KS8695_SDRAM_PA
arch/arm/mach-l7200/include/mach/memory.h:#define PHYS_OFFSET UL(0xf0000000)
arch/arm/mach-lh7a40x/include/mach/memory.h:#define PHYS_OFFSET UL(0xc0000000)
arch/arm/mach-loki/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-mmp/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-msm/include/mach/memory.h:#define PHYS_OFFSET UL(0x10000000)
arch/arm/mach-mv78xx0/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-netx/include/mach/memory.h:#define PHYS_OFFSET UL(0x80000000)
arch/arm/mach-nomadik/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-ns9xxx/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-orion5x/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-pnx4008/include/mach/memory.h:#define PHYS_OFFSET UL(0x80000000)
arch/arm/mach-pxa/include/mach/memory.h:#define PHYS_OFFSET UL(0xa0000000)
arch/arm/mach-realview/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-realview/include/mach/memory.h:#define PHYS_OFFSET UL(0x70000000)
arch/arm/mach-rpc/include/mach/memory.h:#define PHYS_OFFSET UL(0x10000000)
arch/arm/mach-s3c2400/include/mach/memory.h:#define PHYS_OFFSET UL(0x0C000000)
arch/arm/mach-s3c2410/include/mach/memory.h:#define PHYS_OFFSET UL(0x30000000)
arch/arm/mach-s3c24a0/include/mach/memory.h:#define PHYS_OFFSET UL(0x10000000)
arch/arm/mach-s3c6400/include/mach/memory.h:#define PHYS_OFFSET UL(0x50000000)
arch/arm/mach-s5pc100/include/mach/memory.h:#define PHYS_OFFSET UL(0x20000000)
arch/arm/mach-sa1100/include/mach/memory.h:#define PHYS_OFFSET UL(0xc0000000)
arch/arm/mach-shark/include/mach/memory.h:#define PHYS_OFFSET UL(0x08000000)
arch/arm/mach-u300/include/mach/memory.h:#define PHYS_OFFSET UL(0x48000000)
arch/arm/mach-u300/include/mach/memory.h:#define PHYS_OFFSET (0x28000000 + \
arch/arm/mach-u300/include/mach/memory.h:#define PHYS_OFFSET (0x28000000 + \
arch/arm/mach-ux500/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-versatile/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/mach-w90x900/include/mach/memory.h:#define PHYS_OFFSET UL(0x00000000)
arch/arm/plat-mxc/include/mach/memory.h:#define PHYS_OFFSET UL(0x08000000)
arch/arm/plat-mxc/include/mach/memory.h:#define PHYS_OFFSET UL(0x80000000)
arch/arm/plat-mxc/include/mach/memory.h:#define PHYS_OFFSET UL(0x80000000)
arch/arm/plat-mxc/include/mach/memory.h:#define PHYS_OFFSET UL(0x90000000)
arch/arm/plat-mxc/include/mach/memory.h:#define PHYS_OFFSET UL(0xA0000000)
arch/arm/plat-mxc/include/mach/memory.h:#define PHYS_OFFSET UL(0xC0000000)
arch/arm/plat-omap/include/plat/memory.h:#define PHYS_OFFSET UL(0x10000000)
arch/arm/plat-omap/include/plat/memory.h:#define PHYS_OFFSET UL(0x80000000)
arch/arm/plat-stmp3xxx/include/mach/memory.h:#define PHYS_OFFSET UL(0x40000000)