Merge branch 'sh-latest' of git://github.com/pmundt/linux-sh

* 'sh-latest' of git://github.com/pmundt/linux-sh:
  sh: Add default uImage rule for sh7757lcr
  sh: modify the asm/sh_eth.h to linux/sh_eth.h in sh7757lcr
  sh: userimask.c needs linux/stat.h
  sh: pfc: Add GPIO IRQ support
  sh: modify the asm/sh_eth.h to linux/sh_eth.h in some boards
  sh: pfc: Remove unused gpio_in_use member
  sh: add parameters for EHCI and RIIC in clock-sh7757.c
  sh: kexec: Add PHYSICAL_START
  SH: irq: Remove IRQF_DISABLED
  sh: pfc: get_config_reg() shift clean up
  sh: intc: Add IRQ trigger bit field check
  sh: drop unused Kconfig symbol
  sh: Fix implicit declaration of function numa_node_id
  sh: kexec: Register crashk_res
  sh: ecovec: add renesas_usbhs DMAEngine support

25 files changed, 70 insertions, 38 deletions

diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index ff9177c8f643..5629e2099130 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -101,10 +101,6 @@ config GENERIC_LOCKBREAK
         def_bool y
         depends on SMP && PREEMPT
 
-config SYS_SUPPORTS_PM
-        bool
-        depends on !SMP
-
 config ARCH_SUSPEND_POSSIBLE
         def_bool n
 
@@ -649,7 +645,7 @@ config CRASH_DUMP
           a specially reserved region and then later executed after
           a crash by kdump/kexec. The crash dump kernel must be compiled
           to a memory address not used by the main kernel using
-          MEMORY_START.
+          PHYSICAL_START.
 
           For more details see Documentation/kdump/kdump.txt
 
@@ -660,6 +656,17 @@ config KEXEC_JUMP
           Jump between original kernel and kexeced kernel and invoke
           code via KEXEC
 
+config PHYSICAL_START
+        hex "Physical address where the kernel is loaded" if (EXPERT || CRASH_DUMP)
+        default MEMORY_START
+        ---help---
+          This gives the physical address where the kernel is loaded
+          and is ordinarily the same as MEMORY_START.
+
+          Different values are primarily used in the case of kexec on panic
+          where the fail safe kernel needs to run at a different address
+          than the panic-ed kernel.
+
 config SECCOMP
         bool "Enable seccomp to safely compute untrusted bytecode"
         depends on PROC_FS
diff --git a/arch/sh/Makefile b/arch/sh/Makefile
index 99385d0b3f3b..3fc0f413777c 100644
--- a/arch/sh/Makefile
+++ b/arch/sh/Makefile
@@ -80,6 +80,7 @@ defaultimage-$(CONFIG_SH_RSK)			:= uImage
 defaultimage-$(CONFIG_SH_URQUELL)               := uImage
 defaultimage-$(CONFIG_SH_MIGOR)                 := uImage
 defaultimage-$(CONFIG_SH_AP325RXA)              := uImage
+defaultimage-$(CONFIG_SH_SH7757LCR)             := uImage
 defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE)  := uImage
 defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE)  := vmlinux
 defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE)  := vmlinux
diff --git a/arch/sh/boards/board-espt.c b/arch/sh/boards/board-espt.c
index 9da92ac36533..b3ae9d38cbc0 100644
--- a/arch/sh/boards/board-espt.c
+++ b/arch/sh/boards/board-espt.c
@@ -13,9 +13,9 @@
 #include <linux/interrupt.h>
 #include <linux/mtd/physmap.h>
 #include <linux/io.h>
+#include <linux/sh_eth.h>
 #include <asm/machvec.h>
 #include <asm/sizes.h>
-#include <asm/sh_eth.h>
 
 /* NOR Flash */
 static struct mtd_partition espt_nor_flash_partitions[] = {
diff --git a/arch/sh/boards/board-secureedge5410.c b/arch/sh/boards/board-secureedge5410.c
index f968f17891a4..03820c3c93d4 100644
--- a/arch/sh/boards/board-secureedge5410.c
+++ b/arch/sh/boards/board-secureedge5410.c
@@ -41,8 +41,7 @@ static int __init eraseconfig_init(void)
         printk("SnapGear: EraseConfig init\n");
 
         /* Setup "EraseConfig" switch on external IRQ 0 */
-        if (request_irq(irq, eraseconfig_interrupt, IRQF_DISABLED,
-                                "Erase Config", NULL))
+        if (request_irq(irq, eraseconfig_interrupt, 0, "Erase Config", NULL))
                 printk("SnapGear: failed to register IRQ%d for Reset witch\n",
                                 irq);
         else
diff --git a/arch/sh/boards/board-sh7757lcr.c b/arch/sh/boards/board-sh7757lcr.c
index fa2a208ec6cb..ec8c84c14b17 100644
--- a/arch/sh/boards/board-sh7757lcr.c
+++ b/arch/sh/boards/board-sh7757lcr.c
@@ -18,8 +18,8 @@
 #include <linux/mmc/host.h>
 #include <linux/mmc/sh_mmcif.h>
 #include <linux/mmc/sh_mobile_sdhi.h>
+#include <linux/sh_eth.h>
 #include <cpu/sh7757.h>
-#include <asm/sh_eth.h>
 #include <asm/heartbeat.h>
 
 static struct resource heartbeat_resource = {
diff --git a/arch/sh/boards/mach-cayman/irq.c b/arch/sh/boards/mach-cayman/irq.c
index 311bcebdbd07..724e8b7271f4 100644
--- a/arch/sh/boards/mach-cayman/irq.c
+++ b/arch/sh/boards/mach-cayman/irq.c
@@ -46,13 +46,11 @@ static irqreturn_t cayman_interrupt_pci2(int irq, void *dev_id)
 static struct irqaction cayman_action_smsc = {
         .name           = "Cayman SMSC Mux",
         .handler        = cayman_interrupt_smsc,
-        .flags          = IRQF_DISABLED,
 };
 
 static struct irqaction cayman_action_pci2 = {
         .name           = "Cayman PCI2 Mux",
         .handler        = cayman_interrupt_pci2,
-        .flags          = IRQF_DISABLED,
 };
 
 static void enable_cayman_irq(struct irq_data *data)
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index b24d69d509e7..92ddce4b3456 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -28,13 +28,13 @@
 #include <linux/spi/mmc_spi.h>
 #include <linux/input.h>
 #include <linux/input/sh_keysc.h>
+#include <linux/sh_eth.h>
 #include <video/sh_mobile_lcdc.h>
 #include <sound/sh_fsi.h>
 #include <media/sh_mobile_ceu.h>
 #include <media/tw9910.h>
 #include <media/mt9t112.h>
 #include <asm/heartbeat.h>
-#include <asm/sh_eth.h>
 #include <asm/clock.h>
 #include <asm/suspend.h>
 #include <cpu/sh7724.h>
@@ -248,6 +248,10 @@ static struct renesas_usbhs_platform_info usbhs_info = {
         .driver_param = {
                 .buswait_bwait          = 4,
                 .detection_delay        = 5,
+                .d0_tx_id = SHDMA_SLAVE_USB1D0_TX,
+                .d0_rx_id = SHDMA_SLAVE_USB1D0_RX,
+                .d1_tx_id = SHDMA_SLAVE_USB1D1_TX,
+                .d1_rx_id = SHDMA_SLAVE_USB1D1_RX,
         },
 };
 
diff --git a/arch/sh/boards/mach-hp6xx/hp6xx_apm.c b/arch/sh/boards/mach-hp6xx/hp6xx_apm.c
index b49535c0ddd9..865d8d6e823f 100644
--- a/arch/sh/boards/mach-hp6xx/hp6xx_apm.c
+++ b/arch/sh/boards/mach-hp6xx/hp6xx_apm.c
@@ -86,7 +86,7 @@ static int __init hp6x0_apm_init(void)
         int ret;
 
         ret = request_irq(HP680_BTN_IRQ, hp6x0_apm_interrupt,
-                          IRQF_DISABLED, MODNAME, NULL);
+                          0, MODNAME, NULL);
         if (unlikely(ret < 0)) {
                 printk(KERN_ERR MODNAME ": IRQ %d request failed\n",
                        HP680_BTN_IRQ);
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index d00756728bd2..b747c0ab9264 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -23,12 +23,12 @@
 #include <linux/input.h>
 #include <linux/input/sh_keysc.h>
 #include <linux/usb/r8a66597.h>
+#include <linux/sh_eth.h>
 #include <video/sh_mobile_lcdc.h>
 #include <media/sh_mobile_ceu.h>
 #include <sound/sh_fsi.h>
 #include <asm/io.h>
 #include <asm/heartbeat.h>
-#include <asm/sh_eth.h>
 #include <asm/clock.h>
 #include <asm/suspend.h>
 #include <cpu/sh7724.h>
diff --git a/arch/sh/boards/mach-sh7763rdp/setup.c b/arch/sh/boards/mach-sh7763rdp/setup.c
index f3d828f133e5..dd036f1661db 100644
--- a/arch/sh/boards/mach-sh7763rdp/setup.c
+++ b/arch/sh/boards/mach-sh7763rdp/setup.c
@@ -17,8 +17,8 @@
 #include <linux/mtd/physmap.h>
 #include <linux/fb.h>
 #include <linux/io.h>
+#include <linux/sh_eth.h>
 #include <mach/sh7763rdp.h>
-#include <asm/sh_eth.h>
 #include <asm/sh7760fb.h>
 
 /* NOR Flash */
diff --git a/arch/sh/boot/Makefile b/arch/sh/boot/Makefile
index ba515d800245..e4ea31a62c55 100644
--- a/arch/sh/boot/Makefile
+++ b/arch/sh/boot/Makefile
@@ -19,6 +19,7 @@ CONFIG_MEMORY_START	?= 0x0c000000
 CONFIG_BOOT_LINK_OFFSET ?= 0x00800000
 CONFIG_ZERO_PAGE_OFFSET ?= 0x00001000
 CONFIG_ENTRY_OFFSET     ?= 0x00001000
+CONFIG_PHYSICAL_START   ?= $(CONFIG_MEMORY_START)
 
 suffix-y := bin
 suffix-$(CONFIG_KERNEL_GZIP)    := gz
@@ -48,7 +49,7 @@ $(obj)/romimage/vmlinux: $(obj)/zImage FORCE
         $(Q)$(MAKE) $(build)=$(obj)/romimage $@
 
 KERNEL_MEMORY   := $(shell /bin/bash -c 'printf "0x%08x" \
-                     $$[$(CONFIG_MEMORY_START) & 0x1fffffff]')
+                     $$[$(CONFIG_PHYSICAL_START) & 0x1fffffff]')
 
 KERNEL_LOAD     := $(shell /bin/bash -c 'printf "0x%08x" \
                      $$[$(CONFIG_PAGE_OFFSET)  + \
@@ -114,4 +115,5 @@ $(obj)/uImage: $(obj)/uImage.$(suffix-y)
         @echo '  Image $@ is ready'
 
 export CONFIG_PAGE_OFFSET CONFIG_MEMORY_START CONFIG_BOOT_LINK_OFFSET \
-       CONFIG_ZERO_PAGE_OFFSET CONFIG_ENTRY_OFFSET KERNEL_MEMORY suffix-y
+       CONFIG_PHYSICAL_START CONFIG_ZERO_PAGE_OFFSET CONFIG_ENTRY_OFFSET \
+       KERNEL_MEMORY suffix-y
diff --git a/arch/sh/drivers/dma/dma-g2.c b/arch/sh/drivers/dma/dma-g2.c
index af7bb589c2c8..be9ca7ca0ce4 100644
--- a/arch/sh/drivers/dma/dma-g2.c
+++ b/arch/sh/drivers/dma/dma-g2.c
@@ -170,7 +170,7 @@ static int __init g2_dma_init(void)
 {
         int ret;
 
-        ret = request_irq(HW_EVENT_G2_DMA, g2_dma_interrupt, IRQF_DISABLED,
+        ret = request_irq(HW_EVENT_G2_DMA, g2_dma_interrupt, 0,
                           "g2 DMA handler", &g2_dma_info);
         if (unlikely(ret))
                 return -EINVAL;
diff --git a/arch/sh/drivers/dma/dma-pvr2.c b/arch/sh/drivers/dma/dma-pvr2.c
index 3cee58e7f1e5..706a3434af7a 100644
--- a/arch/sh/drivers/dma/dma-pvr2.c
+++ b/arch/sh/drivers/dma/dma-pvr2.c
@@ -70,7 +70,6 @@ static int pvr2_xfer_dma(struct dma_channel *chan)
 static struct irqaction pvr2_dma_irq = {
         .name           = "pvr2 DMA handler",
         .handler        = pvr2_dma_interrupt,
-        .flags          = IRQF_DISABLED,
 };
 
 static struct dma_ops pvr2_dma_ops = {
diff --git a/arch/sh/drivers/dma/dma-sh.c b/arch/sh/drivers/dma/dma-sh.c
index 827208781ed5..a60da6dd4d17 100644
--- a/arch/sh/drivers/dma/dma-sh.c
+++ b/arch/sh/drivers/dma/dma-sh.c
@@ -95,7 +95,7 @@ static int sh_dmac_request_dma(struct dma_channel *chan)
 #if defined(CONFIG_SH_DMA_IRQ_MULTI)
                                 IRQF_SHARED,
 #else
-                                IRQF_DISABLED,
+                                0,
 #endif
                                 chan->dev_id, chan);
 }
@@ -305,7 +305,7 @@ static int __init sh_dmac_init(void)
 #if defined(CONFIG_SH_DMA_IRQ_MULTI)
                                 IRQF_SHARED,
 #else
-                                IRQF_DISABLED,
+                                0,
 #endif
                                 dmae_name[n], (void *)dmae_name[n]);
                 if (unlikely(i < 0)) {
diff --git a/arch/sh/drivers/dma/dmabrg.c b/arch/sh/drivers/dma/dmabrg.c
index 6ab9c4a15439..3d66a32ce610 100644
--- a/arch/sh/drivers/dma/dmabrg.c
+++ b/arch/sh/drivers/dma/dmabrg.c
@@ -174,17 +174,17 @@ static int __init dmabrg_init(void)
         or = __raw_readl(DMAOR);
         __raw_writel(or | DMAOR_BRG | DMAOR_DMEN, DMAOR);
 
-        ret = request_irq(DMABRGI0, dmabrg_irq, IRQF_DISABLED,
+        ret = request_irq(DMABRGI0, dmabrg_irq, 0,
                         "DMABRG USB address error", NULL);
         if (ret)
                 goto out0;
 
-        ret = request_irq(DMABRGI1, dmabrg_irq, IRQF_DISABLED,
+        ret = request_irq(DMABRGI1, dmabrg_irq, 0,
                         "DMABRG Transfer End", NULL);
         if (ret)
                 goto out1;
 
-        ret = request_irq(DMABRGI2, dmabrg_irq, IRQF_DISABLED,
+        ret = request_irq(DMABRGI2, dmabrg_irq, 0,
                         "DMABRG Transfer Half", NULL);
         if (ret == 0)
                 return ret;
diff --git a/arch/sh/drivers/pci/pci-sh5.c b/arch/sh/drivers/pci/pci-sh5.c
index 0bf296c78795..16c1e721bf54 100644
--- a/arch/sh/drivers/pci/pci-sh5.c
+++ b/arch/sh/drivers/pci/pci-sh5.c
@@ -107,13 +107,13 @@ static int __init sh5pci_init(void)
         u32 uval;
 
         if (request_irq(IRQ_ERR, pcish5_err_irq,
-                        IRQF_DISABLED, "PCI Error",NULL) < 0) {
+                        0, "PCI Error",NULL) < 0) {
                 printk(KERN_ERR "PCISH5: Cannot hook PCI_PERR interrupt\n");
                 return -EINVAL;
         }
 
         if (request_irq(IRQ_SERR, pcish5_serr_irq,
-                        IRQF_DISABLED, "PCI SERR interrupt", NULL) < 0) {
+                        0, "PCI SERR interrupt", NULL) < 0) {
                 printk(KERN_ERR "PCISH5: Cannot hook PCI_SERR interrupt\n");
                 return -EINVAL;
         }
diff --git a/arch/sh/drivers/pci/pci-sh7780.c b/arch/sh/drivers/pci/pci-sh7780.c
index edb7cca14882..fa7b978cc727 100644
--- a/arch/sh/drivers/pci/pci-sh7780.c
+++ b/arch/sh/drivers/pci/pci-sh7780.c
@@ -172,7 +172,7 @@ static int __init sh7780_pci_setup_irqs(struct pci_channel *hose)
                      PCI_STATUS_SIG_TARGET_ABORT | \
                      PCI_STATUS_PARITY, hose->reg_base + PCI_STATUS);
 
-        ret = request_irq(hose->serr_irq, sh7780_pci_serr_irq, IRQF_DISABLED,
+        ret = request_irq(hose->serr_irq, sh7780_pci_serr_irq, 0,
                           "PCI SERR interrupt", hose);
         if (unlikely(ret)) {
                 printk(KERN_ERR "PCI: Failed hooking SERR IRQ\n");
diff --git a/arch/sh/drivers/push-switch.c b/arch/sh/drivers/push-switch.c
index afc24556572b..637b79b09657 100644
--- a/arch/sh/drivers/push-switch.c
+++ b/arch/sh/drivers/push-switch.c
@@ -63,7 +63,7 @@ static int switch_drv_probe(struct platform_device *pdev)
         BUG_ON(!psw_info);
 
         ret = request_irq(irq, psw_info->irq_handler,
-                          IRQF_DISABLED | psw_info->irq_flags,
+                          psw_info->irq_flags,
                           psw_info->name ? psw_info->name : DRV_NAME, pdev);
         if (unlikely(ret < 0))
                 goto err;
diff --git a/arch/sh/include/asm/page.h b/arch/sh/include/asm/page.h
index 822d6084195b..0dca9a5c6be6 100644
--- a/arch/sh/include/asm/page.h
+++ b/arch/sh/include/asm/page.h
@@ -113,6 +113,16 @@ typedef struct page *pgtable_t;
 #define __MEMORY_SIZE           CONFIG_MEMORY_SIZE
 
 /*
+ * PHYSICAL_OFFSET is the offset in physical memory where the base
+ * of the kernel is loaded.
+ */
+#ifdef CONFIG_PHYSICAL_START
+#define PHYSICAL_OFFSET (CONFIG_PHYSICAL_START - __MEMORY_START)
+#else
+#define PHYSICAL_OFFSET 0
+#endif
+
+/*
  * PAGE_OFFSET is the virtual address of the start of kernel address
  * space.
  */
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7757.c b/arch/sh/kernel/cpu/sh4a/clock-sh7757.c
index 3b097b09a3ba..19222dae8233 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7757.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7757.c
@@ -113,7 +113,14 @@ static struct clk_lookup lookups[] = {
 
         /* MSTP32 clocks */
         CLKDEV_CON_ID("sdhi0", &mstp_clks[MSTP004]),
-        CLKDEV_CON_ID("riic", &mstp_clks[MSTP000]),
+        CLKDEV_CON_ID("riic0", &mstp_clks[MSTP000]),
+        CLKDEV_CON_ID("riic1", &mstp_clks[MSTP000]),
+        CLKDEV_CON_ID("riic2", &mstp_clks[MSTP000]),
+        CLKDEV_CON_ID("riic3", &mstp_clks[MSTP000]),
+        CLKDEV_CON_ID("riic4", &mstp_clks[MSTP000]),
+        CLKDEV_CON_ID("riic5", &mstp_clks[MSTP000]),
+        CLKDEV_CON_ID("riic6", &mstp_clks[MSTP000]),
+        CLKDEV_CON_ID("riic7", &mstp_clks[MSTP000]),
 
         CLKDEV_ICK_ID("tmu_fck", "sh_tmu.0", &mstp_clks[MSTP113]),
         CLKDEV_ICK_ID("tmu_fck", "sh_tmu.1", &mstp_clks[MSTP114]),
@@ -121,6 +128,7 @@ static struct clk_lookup lookups[] = {
         CLKDEV_ICK_ID("sci_fck", "sh-sci.1", &mstp_clks[MSTP111]),
         CLKDEV_ICK_ID("sci_fck", "sh-sci.0", &mstp_clks[MSTP110]),
 
+        CLKDEV_CON_ID("usb_fck", &mstp_clks[MSTP103]),
         CLKDEV_CON_ID("usb0", &mstp_clks[MSTP102]),
         CLKDEV_CON_ID("mmc0", &mstp_clks[MSTP220]),
 };
diff --git a/arch/sh/kernel/cpu/sh4a/smp-shx3.c b/arch/sh/kernel/cpu/sh4a/smp-shx3.c
index de865cac02ee..03f2b55757cf 100644
--- a/arch/sh/kernel/cpu/sh4a/smp-shx3.c
+++ b/arch/sh/kernel/cpu/sh4a/smp-shx3.c
@@ -79,7 +79,7 @@ static void shx3_prepare_cpus(unsigned int max_cpus)
 
         for (i = 0; i < SMP_MSG_NR; i++)
                 request_irq(104 + i, ipi_interrupt_handler,
-                            IRQF_DISABLED | IRQF_PERCPU, "IPI", (void *)(long)i);
+                            IRQF_PERCPU, "IPI", (void *)(long)i);
 
         for (i = 0; i < max_cpus; i++)
                 set_cpu_present(i, true);
diff --git a/arch/sh/kernel/setup.c b/arch/sh/kernel/setup.c
index 58bff45d1156..1a0e946679a4 100644
--- a/arch/sh/kernel/setup.c
+++ b/arch/sh/kernel/setup.c
@@ -211,13 +211,16 @@ void __init __add_active_range(unsigned int nid, unsigned long start_pfn,
         }
 
         /*
-         *  We don't know which RAM region contains kernel data,
-         *  so we try it repeatedly and let the resource manager
-         *  test it.
+         * We don't know which RAM region contains kernel data or
+         * the reserved crashkernel region, so try it repeatedly
+         * and let the resource manager test it.
          */
         request_resource(res, &code_resource);
         request_resource(res, &data_resource);
         request_resource(res, &bss_resource);
+#ifdef CONFIG_KEXEC
+        request_resource(res, &crashk_res);
+#endif
 
         /*
          * Also make sure that there is a PMB mapping that covers this
diff --git a/arch/sh/kernel/topology.c b/arch/sh/kernel/topology.c
index 38e862852dd0..ecc2d3d0f54a 100644
--- a/arch/sh/kernel/topology.c
+++ b/arch/sh/kernel/topology.c
@@ -11,6 +11,7 @@
 #include <linux/cpumask.h>
 #include <linux/init.h>
 #include <linux/percpu.h>
+#include <linux/topology.h>
 #include <linux/node.h>
 #include <linux/nodemask.h>
 
diff --git a/arch/sh/kernel/vmlinux.lds.S b/arch/sh/kernel/vmlinux.lds.S
index 731c10ce67b5..c98905f71e28 100644
--- a/arch/sh/kernel/vmlinux.lds.S
+++ b/arch/sh/kernel/vmlinux.lds.S
@@ -23,7 +23,7 @@ OUTPUT_ARCH(sh)
 ENTRY(_start)
 SECTIONS
 {
-        . = PAGE_OFFSET + MEMORY_OFFSET + CONFIG_ZERO_PAGE_OFFSET;
+        . = PAGE_OFFSET + MEMORY_OFFSET + PHYSICAL_OFFSET + CONFIG_ZERO_PAGE_OFFSET;
 
         _text = .;              /* Text and read-only data */
 
diff --git a/arch/sh/mm/init.c b/arch/sh/mm/init.c
index 58a93fb3d965..c9dbace35b16 100644
--- a/arch/sh/mm/init.c
+++ b/arch/sh/mm/init.c
@@ -287,6 +287,8 @@ static void __init do_init_bootmem(void)
 static void __init early_reserve_mem(void)
 {
         unsigned long start_pfn;
+        u32 zero_base = (u32)__MEMORY_START + (u32)PHYSICAL_OFFSET;
+        u32 start = zero_base + (u32)CONFIG_ZERO_PAGE_OFFSET;
 
         /*
          * Partially used pages are not usable - thus
@@ -300,15 +302,13 @@ static void __init early_reserve_mem(void)
          * this catches the (definitely buggy) case of us accidentally
          * initializing the bootmem allocator with an invalid RAM area.
          */
-        memblock_reserve(__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET,
-                    (PFN_PHYS(start_pfn) + PAGE_SIZE - 1) -
-                    (__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET));
+        memblock_reserve(start, (PFN_PHYS(start_pfn) + PAGE_SIZE - 1) - start);
 
         /*
          * Reserve physical pages below CONFIG_ZERO_PAGE_OFFSET.
          */
         if (CONFIG_ZERO_PAGE_OFFSET != 0)
-                memblock_reserve(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET);
+                memblock_reserve(zero_base, CONFIG_ZERO_PAGE_OFFSET);
 
         /*
          * Handle additional early reservations