Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (137 commits)
  sh: include empty zero page in romImage
  sh: Make associative cache writes fatal on all SH-4A parts.
  sh: Drop associative writes for SH-4 cache flushes.
  sh: Partial revert of copy/clear_user_highpage() optimizations.
  sh: Add default uImage rule for se7724, ap325rxa, and migor.
  sh: allow runtime pm without suspend/resume callbacks
  sh: mach-ecovec24: Remove un-defined settings for VPU
  sh: mach-ecovec24: LCDC drive ability become high
  sh: fix sh7724 VEU3F resource size
  serial: sh-sci: Fix too early port disabling.
  sh: pfc: pr_info() -> pr_debug() cleanups.
  sh: pfc: Convert from ctrl_xxx() to __raw_xxx() I/O routines.
  sh: Improve kfr2r09 serial port setup code
  sh: Break out SuperH PFC code
  sh: Move KEYSC header file
  sh: convert /proc/cpu/aligmnent, /proc/cpu/kernel_alignment to seq_file
  sh: Add CPG save/restore code for sh7724 R-standby
  sh: Add SDHI power control support to Ecovec
  mfd: Add power control platform data to SDHI driver
  sh: mach-ecovec24: modify address map
  ...

arch/sh/Kconfig

@@ -16,7 +16,9 @@ config SUPERH
 	select HAVE_IOREMAP_PROT if MMU
 	select HAVE_ARCH_TRACEHOOK
 	select HAVE_DMA_API_DEBUG
+	select HAVE_DMA_ATTRS
 	select HAVE_PERF_EVENTS
+	select PERF_USE_VMALLOC
 	select HAVE_KERNEL_GZIP
 	select HAVE_KERNEL_BZIP2
 	select HAVE_KERNEL_LZMA
@@ -37,6 +39,7 @@ config SUPERH32
 	select HAVE_FTRACE_MCOUNT_RECORD
 	select HAVE_DYNAMIC_FTRACE
 	select HAVE_FUNCTION_TRACE_MCOUNT_TEST
+	select HAVE_FTRACE_NMI_ENTER if DYNAMIC_FTRACE
 	select HAVE_FUNCTION_GRAPH_TRACER
 	select HAVE_ARCH_KGDB
 	select ARCH_HIBERNATION_POSSIBLE if MMU
@@ -170,6 +173,12 @@ config ARCH_HAS_CPU_IDLE_WAIT
 config IO_TRAPPED
 	bool
 
+config DMA_COHERENT
+	bool
+
+config DMA_NONCOHERENT
+	def_bool !DMA_COHERENT
+
 source "init/Kconfig"
 
 source "kernel/Kconfig.freezer"
@@ -220,6 +229,7 @@ config CPU_SHX2
 
 config CPU_SHX3
 	bool
+	select DMA_COHERENT
 
 config ARCH_SHMOBILE
 	bool
@@ -761,17 +771,6 @@ config ENTRY_OFFSET
 	default "0x00010000" if PAGE_SIZE_64KB
 	default "0x00000000"
 
-config UBC_WAKEUP
-	bool "Wakeup UBC on startup"
-	depends on CPU_SH4 && !CPU_SH4A
-	help
-	  Selecting this option will wakeup the User Break Controller (UBC) on
-	  startup. Although the UBC is left in an awake state when the processor
-	  comes up, some boot loaders misbehave by putting the UBC to sleep in a
-	  power saving state, which causes issues with things like ptrace().
-
-	  If unsure, say N.
-
 choice
 	prompt "Kernel command line"
 	optional
@@ -818,7 +817,13 @@ config MAPLE
 	 Dreamcast with a serial line terminal or a remote network
 	 connection.
 
-source "arch/sh/drivers/pci/Kconfig"
+config PCI
+	bool "PCI support"
+	depends on SYS_SUPPORTS_PCI
+	help
+	  Find out whether you have a PCI motherboard. PCI is the name of a
+	  bus system, i.e. the way the CPU talks to the other stuff inside
+	  your box. If you have PCI, say Y, otherwise N.
 
 source "drivers/pci/pcie/Kconfig"
 

arch/sh/Makefile

@@ -78,6 +78,9 @@ defaultimage-$(CONFIG_SUPERH32)			:= zImage
 defaultimage-$(CONFIG_SH_SH7785LCR)		:= uImage
 defaultimage-$(CONFIG_SH_RSK)			:= uImage
 defaultimage-$(CONFIG_SH_URQUELL)		:= uImage
+defaultimage-$(CONFIG_SH_MIGOR)			:= uImage
+defaultimage-$(CONFIG_SH_AP325RXA)		:= uImage
+defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE)	:= uImage
 defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE)	:= vmlinux
 defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE)	:= vmlinux
 
@@ -136,6 +139,7 @@ machdir-$(CONFIG_SH_7751_SYSTEMH)		+= mach-systemh
 machdir-$(CONFIG_SH_EDOSK7705)			+= mach-edosk7705
 machdir-$(CONFIG_SH_HIGHLANDER)			+= mach-highlander
 machdir-$(CONFIG_SH_MIGOR)			+= mach-migor
+machdir-$(CONFIG_SH_AP325RXA)			+= mach-ap325rxa
 machdir-$(CONFIG_SH_KFR2R09)			+= mach-kfr2r09
 machdir-$(CONFIG_SH_ECOVEC)			+= mach-ecovec24
 machdir-$(CONFIG_SH_SDK7780)			+= mach-sdk7780

arch/sh/boards/Makefile

 #
 # Specific board support, not covered by a mach group.
 #
-obj-$(CONFIG_SH_AP325RXA)	+= board-ap325rxa.o
 obj-$(CONFIG_SH_MAGIC_PANEL_R2)	+= board-magicpanelr2.o
 obj-$(CONFIG_SH_SH7785LCR)	+= board-sh7785lcr.o
 obj-$(CONFIG_SH_URQUELL)	+= board-urquell.o

arch/sh/boards/mach-ap325rxa/Makefile

+obj-y	 := setup.o sdram.o
+

arch/sh/boards/mach-ap325rxa/sdram.S

+/*
+ * AP325RXA sdram self/auto-refresh setup code
+ *
+ *  Copyright (C) 2009 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/sys.h>
+#include <linux/errno.h>
+#include <linux/linkage.h>
+#include <asm/asm-offsets.h>
+#include <asm/suspend.h>
+#include <asm/romimage-macros.h>
+
+/* code to enter and leave self-refresh. must be self-contained.
+ * this code will be copied to on-chip memory and executed from there.
+ */
+	.balign 4
+ENTRY(ap325rxa_sdram_enter_start)
+
+	/* SBSC: disable power down and put in self-refresh mode */
+	mov.l	1f, r4
+	mov.l	2f, r1
+	mov.l	@r4, r2
+	or	r1, r2
+	mov.l   3f, r3
+	and	r3, r2
+	mov.l	r2, @r4
+
+	rts
+	 nop
+
+	.balign 4
+1:	.long	0xfe400008 /* SDCR0 */
+2:	.long	0x00000400
+3:	.long	0xffff7fff
+ENTRY(ap325rxa_sdram_enter_end)
+
+	.balign 4
+ENTRY(ap325rxa_sdram_leave_start)
+
+	/* SBSC: set auto-refresh mode */
+	mov.l	1f, r4
+	mov.l	@r4, r0
+	mov.l   4f, r1
+	and	r1, r0
+	mov.l	r0, @r4
+	mov.l	6f, r4
+	mov.l	8f, r0
+	mov.l	@r4, r1
+	mov	#-1, r4
+	add	r4, r1
+	or	r1, r0
+	mov.l	7f, r1
+	mov.l	r0, @r1
+
+	rts
+	 nop
+
+	.balign 4
+1:	.long	0xfe400008 /* SDCR0 */
+4:	.long	0xfffffbff
+6:	.long   0xfe40001c /* RTCOR */
+7:	.long   0xfe400018 /* RTCNT */
+8:	.long   0xa55a0000
+ENTRY(ap325rxa_sdram_leave_end)

arch/sh/boards/board-ap325rxa.c → arch/sh/boards/mach-ap325rxa/setup.c

@@ -20,8 +20,6 @@
 #include <linux/i2c.h>
 #include <linux/smsc911x.h>
 #include <linux/gpio.h>
-#include <linux/spi/spi.h>
-#include <linux/spi/spi_gpio.h>
 #include <media/ov772x.h>
 #include <media/soc_camera.h>
 #include <media/soc_camera_platform.h>
@@ -29,6 +27,7 @@
 #include <video/sh_mobile_lcdc.h>
 #include <asm/io.h>
 #include <asm/clock.h>
+#include <asm/suspend.h>
 #include <cpu/sh7723.h>
 
 static struct smsc911x_platform_config smsc911x_config = {
@@ -409,17 +408,49 @@ static struct platform_device ceu_device = {
 	},
 };
 
-struct spi_gpio_platform_data sdcard_cn3_platform_data = {
-	.sck = GPIO_PTD0,
-	.mosi = GPIO_PTD1,
-	.miso = GPIO_PTD2,
-	.num_chipselect = 1,
+static struct resource sdhi0_cn3_resources[] = {
+	[0] = {
+		.name	= "SDHI0",
+		.start	= 0x04ce0000,
+		.end	= 0x04ce01ff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 101,
+		.flags  = IORESOURCE_IRQ,
+	},
 };
 
-static struct platform_device sdcard_cn3_device = {
-	.name		= "spi_gpio",
-	.dev	= {
-		.platform_data	= &sdcard_cn3_platform_data,
+static struct platform_device sdhi0_cn3_device = {
+	.name		= "sh_mobile_sdhi",
+	.id             = 0, /* "sdhi0" clock */
+	.num_resources	= ARRAY_SIZE(sdhi0_cn3_resources),
+	.resource	= sdhi0_cn3_resources,
+	.archdata = {
+		.hwblk_id = HWBLK_SDHI0,
+	},
+};
+
+static struct resource sdhi1_cn7_resources[] = {
+	[0] = {
+		.name	= "SDHI1",
+		.start	= 0x04cf0000,
+		.end	= 0x04cf01ff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 24,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device sdhi1_cn7_device = {
+	.name		= "sh_mobile_sdhi",
+	.id             = 1, /* "sdhi1" clock */
+	.num_resources	= ARRAY_SIZE(sdhi1_cn7_resources),
+	.resource	= sdhi1_cn7_resources,
+	.archdata = {
+		.hwblk_id = HWBLK_SDHI1,
 	},
 };
 
@@ -470,22 +501,26 @@ static struct platform_device *ap325rxa_devices[] __initdata = {
 	&lcdc_device,
 	&ceu_device,
 	&nand_flash_device,
-	&sdcard_cn3_device,
+	&sdhi0_cn3_device,
+	&sdhi1_cn7_device,
 	&ap325rxa_camera[0],
 	&ap325rxa_camera[1],
 };
 
-static struct spi_board_info ap325rxa_spi_devices[] = {
-	{
-		.modalias = "mmc_spi",
-		.max_speed_hz = 5000000,
-		.chip_select = 0,
-		.controller_data = (void *) GPIO_PTD5,
-	},
-};
+extern char ap325rxa_sdram_enter_start;
+extern char ap325rxa_sdram_enter_end;
+extern char ap325rxa_sdram_leave_start;
+extern char ap325rxa_sdram_leave_end;
 
 static int __init ap325rxa_devices_setup(void)
 {
+	/* register board specific self-refresh code */
+	sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF,
+					&ap325rxa_sdram_enter_start,
+					&ap325rxa_sdram_enter_end,
+					&ap325rxa_sdram_leave_start,
+					&ap325rxa_sdram_leave_end);
+
 	/* LD3 and LD4 LEDs */
 	gpio_request(GPIO_PTX5, NULL); /* RUN */
 	gpio_direction_output(GPIO_PTX5, 1);
@@ -578,12 +613,28 @@ static int __init ap325rxa_devices_setup(void)
 
 	platform_resource_setup_memory(&ceu_device, "ceu", 4 << 20);
 
+	/* SDHI0 - CN3 - SD CARD */
+	gpio_request(GPIO_FN_SDHI0CD_PTD, NULL);
+	gpio_request(GPIO_FN_SDHI0WP_PTD, NULL);
+	gpio_request(GPIO_FN_SDHI0D3_PTD, NULL);
+	gpio_request(GPIO_FN_SDHI0D2_PTD, NULL);
+	gpio_request(GPIO_FN_SDHI0D1_PTD, NULL);
+	gpio_request(GPIO_FN_SDHI0D0_PTD, NULL);
+	gpio_request(GPIO_FN_SDHI0CMD_PTD, NULL);
+	gpio_request(GPIO_FN_SDHI0CLK_PTD, NULL);
+
+	/* SDHI1 - CN7 - MICRO SD CARD */
+	gpio_request(GPIO_FN_SDHI1CD, NULL);
+	gpio_request(GPIO_FN_SDHI1D3, NULL);
+	gpio_request(GPIO_FN_SDHI1D2, NULL);
+	gpio_request(GPIO_FN_SDHI1D1, NULL);
+	gpio_request(GPIO_FN_SDHI1D0, NULL);
+	gpio_request(GPIO_FN_SDHI1CMD, NULL);
+	gpio_request(GPIO_FN_SDHI1CLK, NULL);
+
 	i2c_register_board_info(0, ap325rxa_i2c_devices,
 				ARRAY_SIZE(ap325rxa_i2c_devices));
 
-	spi_register_board_info(ap325rxa_spi_devices,
-				ARRAY_SIZE(ap325rxa_spi_devices));
-
 	return platform_add_devices(ap325rxa_devices,
 				ARRAY_SIZE(ap325rxa_devices));
 }

arch/sh/boards/mach-ecovec24/Makefile

@@ -6,4 +6,4 @@
 # for more details.
 #
 
-obj-y	 := setup.o
+obj-y	 := setup.o sdram.o
\ No newline at end of file

arch/sh/boards/mach-ecovec24/sdram.S

+/*
+ * Ecovec24 sdram self/auto-refresh setup code
+ *
+ *  Copyright (C) 2009 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/sys.h>
+#include <linux/errno.h>
+#include <linux/linkage.h>
+#include <asm/asm-offsets.h>
+#include <asm/suspend.h>
+#include <asm/romimage-macros.h>
+
+/* code to enter and leave self-refresh. must be self-contained.
+ * this code will be copied to on-chip memory and executed from there.
+ */
+	.balign 4
+ENTRY(ecovec24_sdram_enter_start)
+
+	/* DBSC: put memory in self-refresh mode */
+
+	ED 0xFD000010, 0x00000000 /* DBEN */
+	ED 0xFD000040, 0x00000000 /* DBRFPDN0 */
+	ED 0xFD000014, 0x00000002 /* DBCMDCNT (PALL) */
+	ED 0xFD000014, 0x00000004 /* DBCMDCNT (REF) */
+	ED 0xFD000040, 0x00000001 /* DBRFPDN0 */
+
+	rts
+	 nop
+
+ENTRY(ecovec24_sdram_enter_end)
+
+	.balign 4
+ENTRY(ecovec24_sdram_leave_start)
+
+	/* DBSC: put memory in auto-refresh mode */
+
+	ED 0xFD000040, 0x00000000 /* DBRFPDN0 */
+	WAIT 1
+	ED 0xFD000014, 0x00000002 /* DBCMDCNT (PALL) */
+	ED 0xFD000014, 0x00000004 /* DBCMDCNT (REF) */
+	ED 0xFD000010, 0x00000001 /* DBEN */
+	ED 0xFD000040, 0x00010000 /* DBRFPDN0 */
+
+	rts
+	 nop
+
+ENTRY(ecovec24_sdram_leave_end)

arch/sh/boards/mach-ecovec24/setup.c

@@ -20,12 +20,14 @@
 #include <linux/i2c.h>
 #include <linux/i2c/tsc2007.h>
 #include <linux/input.h>
+#include <linux/input/sh_keysc.h>
+#include <linux/mfd/sh_mobile_sdhi.h>
 #include <video/sh_mobile_lcdc.h>
 #include <media/sh_mobile_ceu.h>
 #include <asm/heartbeat.h>
 #include <asm/sh_eth.h>
-#include <asm/sh_keysc.h>
 #include <asm/clock.h>
+#include <asm/suspend.h>
 #include <cpu/sh7724.h>
 
 /*
@@ -147,6 +149,9 @@ static struct platform_device sh_eth_device = {
 	},
 	.num_resources = ARRAY_SIZE(sh_eth_resources),
 	.resource = sh_eth_resources,
+	.archdata = {
+		.hwblk_id = HWBLK_ETHER,
+	},
 };
 
 /* USB0 host */
@@ -185,30 +190,18 @@ static struct platform_device usb0_host_device = {
 	.resource	= usb0_host_resources,
 };
 
-/*
- * USB1
- *
- * CN5 can use both host/function,
- * and we can determine it by checking PTB[3]
- *
- * This time only USB1 host is supported.
- */
+/* USB1 host/function */
 void usb1_port_power(int port, int power)
 {
-	if (!gpio_get_value(GPIO_PTB3)) {
-		printk(KERN_ERR "USB1 function is not supported\n");
-		return;
-	}
-
 	gpio_set_value(GPIO_PTB5, power);
 }
 
-static struct r8a66597_platdata usb1_host_data = {
+static struct r8a66597_platdata usb1_common_data = {
 	.on_chip = 1,
 	.port_power = usb1_port_power,
 };
 
-static struct resource usb1_host_resources[] = {
+static struct resource usb1_common_resources[] = {
 	[0] = {
 		.start	= 0xa4d90000,
 		.end	= 0xa4d90124 - 1,
@@ -221,16 +214,16 @@ static struct resource usb1_host_resources[] = {
 	},
 };
 
-static struct platform_device usb1_host_device = {
-	.name		= "r8a66597_hcd",
+static struct platform_device usb1_common_device = {
+	/* .name will be added in arch_setup */
 	.id		= 1,
 	.dev = {
 		.dma_mask		= NULL,         /*  not use dma */
 		.coherent_dma_mask	= 0xffffffff,
-		.platform_data		= &usb1_host_data,
+		.platform_data		= &usb1_common_data,
 	},
-	.num_resources	= ARRAY_SIZE(usb1_host_resources),
-	.resource	= usb1_host_resources,
+	.num_resources	= ARRAY_SIZE(usb1_common_resources),
+	.resource	= usb1_common_resources,
 };
 
 /* LCDC */
@@ -428,16 +421,90 @@ static struct i2c_board_info ts_i2c_clients = {
 	.irq		= IRQ0,
 };
 
+/* SHDI0 */
+static void sdhi0_set_pwr(struct platform_device *pdev, int state)
+{
+	gpio_set_value(GPIO_PTB6, state);
+}
+
+static struct sh_mobile_sdhi_info sdhi0_info = {
+	.set_pwr = sdhi0_set_pwr,
+};
+
+static struct resource sdhi0_resources[] = {
+	[0] = {
+		.name	= "SDHI0",
+		.start  = 0x04ce0000,
+		.end    = 0x04ce01ff,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = 101,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device sdhi0_device = {
+	.name           = "sh_mobile_sdhi",
+	.num_resources  = ARRAY_SIZE(sdhi0_resources),
+	.resource       = sdhi0_resources,
+	.id             = 0,
+	.dev	= {
+		.platform_data	= &sdhi0_info,
+	},
+	.archdata = {
+		.hwblk_id = HWBLK_SDHI0,
+	},
+};
+
+/* SHDI1 */
+static void sdhi1_set_pwr(struct platform_device *pdev, int state)
+{
+	gpio_set_value(GPIO_PTB7, state);
+}
+
+static struct sh_mobile_sdhi_info sdhi1_info = {
+	.set_pwr = sdhi1_set_pwr,
+};
+
+static struct resource sdhi1_resources[] = {
+	[0] = {
+		.name	= "SDHI1",
+		.start  = 0x04cf0000,
+		.end    = 0x04cf01ff,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = 24,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device sdhi1_device = {
+	.name           = "sh_mobile_sdhi",
+	.num_resources  = ARRAY_SIZE(sdhi1_resources),
+	.resource       = sdhi1_resources,
+	.id             = 1,
+	.dev	= {
+		.platform_data	= &sdhi1_info,
+	},
+	.archdata = {
+		.hwblk_id = HWBLK_SDHI1,
+	},
+};
+
 static struct platform_device *ecovec_devices[] __initdata = {
 	&heartbeat_device,
 	&nor_flash_device,
 	&sh_eth_device,
 	&usb0_host_device,
-	&usb1_host_device, /* USB1 host support */
+	&usb1_common_device,
 	&lcdc_device,
 	&ceu0_device,
 	&ceu1_device,
 	&keysc_device,
+	&sdhi0_device,
+	&sdhi1_device,
 };
 
 #define EEPROM_ADDR 0x50
@@ -466,12 +533,9 @@ static u8 mac_read(struct i2c_adapter *a, u8 command)
 	return buf;
 }
 
-#define MAC_LEN 6
-static void __init sh_eth_init(void)
+static void __init sh_eth_init(struct sh_eth_plat_data *pd)
 {
 	struct i2c_adapter *a = i2c_get_adapter(1);
-	struct clk *eth_clk;
-	u8 mac[MAC_LEN];
 	int i;
 
 	if (!a) {
@@ -479,39 +543,30 @@ static void __init sh_eth_init(void)
 		return;
 	}
 
-	eth_clk = clk_get(NULL, "eth0");
-	if (!eth_clk) {
-		pr_err("can not get eth0 clk\n");
-		return;
-	}
-
 	/* read MAC address frome EEPROM */
-	for (i = 0; i < MAC_LEN; i++) {
-		mac[i] = mac_read(a, 0x10 + i);
+	for (i = 0; i < sizeof(pd->mac_addr); i++) {
+		pd->mac_addr[i] = mac_read(a, 0x10 + i);
 		msleep(10);
 	}
-
-	/* clock enable */
-	clk_enable(eth_clk);
-
-	/* reset sh-eth */
-	ctrl_outl(0x1, SH_ETH_ADDR + 0x0);
-
-	/* set MAC addr */
-	ctrl_outl((mac[0] << 24) |
-		  (mac[1] << 16) |
-		  (mac[2] <<  8) |
-		  (mac[3] <<  0), SH_ETH_MAHR);
-	ctrl_outl((mac[4] <<  8) |
-		  (mac[5] <<  0), SH_ETH_MALR);
-
-	clk_put(eth_clk);
 }
 
 #define PORT_HIZA 0xA4050158
 #define IODRIVEA  0xA405018A
+
+extern char ecovec24_sdram_enter_start;
+extern char ecovec24_sdram_enter_end;
+extern char ecovec24_sdram_leave_start;
+extern char ecovec24_sdram_leave_end;
+
 static int __init arch_setup(void)
 {
+	/* register board specific self-refresh code */
+	sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF,
+					&ecovec24_sdram_enter_start,
+					&ecovec24_sdram_enter_end,
+					&ecovec24_sdram_leave_start,
+					&ecovec24_sdram_leave_end);
+
 	/* enable STATUS0, STATUS2 and PDSTATUS */
 	gpio_request(GPIO_FN_STATUS0, NULL);
 	gpio_request(GPIO_FN_STATUS2, NULL);
@@ -561,6 +616,14 @@ static int __init arch_setup(void)
 	ctrl_outw(0x0600, 0xa40501d4);
 	ctrl_outw(0x0600, 0xa4050192);
 
+	if (gpio_get_value(GPIO_PTB3)) {
+		printk(KERN_INFO "USB1 function is selected\n");
+		usb1_common_device.name = "r8a66597_udc";
+	} else {
+		printk(KERN_INFO "USB1 host is selected\n");
+		usb1_common_device.name = "r8a66597_hcd";
+	}
+
 	/* enable LCDC */
 	gpio_request(GPIO_FN_LCDD23,   NULL);
 	gpio_request(GPIO_FN_LCDD22,   NULL);
@@ -603,8 +666,8 @@ static int __init arch_setup(void)
 	gpio_direction_output(GPIO_PTR1, 0);
 	gpio_direction_output(GPIO_PTA2, 0);
 
-	/* I/O buffer drive ability is low */
-	ctrl_outw((ctrl_inw(IODRIVEA) & ~0x00c0) | 0x0040 , IODRIVEA);
+	/* I/O buffer drive ability is high */
+	ctrl_outw((ctrl_inw(IODRIVEA) & ~0x00c0) | 0x0080 , IODRIVEA);
 
 	if (gpio_get_value(GPIO_PTE6)) {
 		/* DVI */
@@ -710,6 +773,33 @@ static int __init arch_setup(void)
 	gpio_direction_input(GPIO_PTR5);
 	gpio_direction_input(GPIO_PTR6);
 
+	/* enable SDHI0 (needs DS2.4 set to ON) */
+	gpio_request(GPIO_FN_SDHI0CD,  NULL);
+	gpio_request(GPIO_FN_SDHI0WP,  NULL);
+	gpio_request(GPIO_FN_SDHI0CMD, NULL);
+	gpio_request(GPIO_FN_SDHI0CLK, NULL);
+	gpio_request(GPIO_FN_SDHI0D3,  NULL);
+	gpio_request(GPIO_FN_SDHI0D2,  NULL);
+	gpio_request(GPIO_FN_SDHI0D1,  NULL);
+	gpio_request(GPIO_FN_SDHI0D0,  NULL);
+	gpio_request(GPIO_PTB6, NULL);
+	gpio_direction_output(GPIO_PTB6, 0);
+
+	/* enable SDHI1 (needs DS2.6,7 set to ON,OFF) */
+	gpio_request(GPIO_FN_SDHI1CD,  NULL);
+	gpio_request(GPIO_FN_SDHI1WP,  NULL);
+	gpio_request(GPIO_FN_SDHI1CMD, NULL);
+	gpio_request(GPIO_FN_SDHI1CLK, NULL);
+	gpio_request(GPIO_FN_SDHI1D3,  NULL);
+	gpio_request(GPIO_FN_SDHI1D2,  NULL);
+	gpio_request(GPIO_FN_SDHI1D1,  NULL);
+	gpio_request(GPIO_FN_SDHI1D0,  NULL);
+	gpio_request(GPIO_PTB7, NULL);
+	gpio_direction_output(GPIO_PTB7, 0);
+
+	/* I/O buffer drive ability is high for SDHI1 */
+	ctrl_outw((ctrl_inw(IODRIVEA) & ~0x3000) | 0x2000 , IODRIVEA);
+
 	/* enable I2C device */
 	i2c_register_board_info(1, i2c1_devices,
 				ARRAY_SIZE(i2c1_devices));
@@ -721,12 +811,11 @@ arch_initcall(arch_setup);
 
 static int __init devices_setup(void)
 {
-	sh_eth_init();
+	sh_eth_init(&sh_eth_plat);
 	return 0;
 }
 device_initcall(devices_setup);
 
-
 static struct sh_machine_vector mv_ecovec __initmv = {
 	.mv_name	= "R0P7724 (EcoVec)",
 };

arch/sh/boards/mach-highlander/setup.c

@@ -384,7 +384,7 @@ static unsigned char irl2irq[HL_NR_IRL];
 
 static int highlander_irq_demux(int irq)
 {
-	if (irq >= HL_NR_IRL || !irl2irq[irq])
+	if (irq >= HL_NR_IRL || irq < 0 || !irl2irq[irq])
 		return irq;
 
 	return irl2irq[irq];

arch/sh/boards/mach-kfr2r09/Makefile

-obj-y	 := setup.o
+obj-y	 := setup.o sdram.o
 obj-$(CONFIG_FB_SH_MOBILE_LCDC)	+=  lcd_wqvga.o

arch/sh/boards/mach-kfr2r09/sdram.S

+/*
+ * KFR2R09 sdram self/auto-refresh setup code
+ *
+ *  Copyright (C) 2009 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/sys.h>
+#include <linux/errno.h>
+#include <linux/linkage.h>
+#include <asm/asm-offsets.h>
+#include <asm/suspend.h>
+#include <asm/romimage-macros.h>
+
+/* code to enter and leave self-refresh. must be self-contained.
+ * this code will be copied to on-chip memory and executed from there.
+ */
+	.balign 4
+ENTRY(kfr2r09_sdram_enter_start)
+
+	/* DBSC: put memory in self-refresh mode */
+
+	ED 0xFD000010, 0x00000000 /* DBEN */
+	ED 0xFD000040, 0x00000000 /* DBRFPDN0 */
+	ED 0xFD000014, 0x00000002 /* DBCMDCNT (PALL) */
+	ED 0xFD000014, 0x00000004 /* DBCMDCNT (REF) */
+	ED 0xFD000040, 0x00000001 /* DBRFPDN0 */
+
+	rts
+	 nop
+
+ENTRY(kfr2r09_sdram_enter_end)
+
+	.balign 4
+ENTRY(kfr2r09_sdram_leave_start)
+
+	/* DBSC: put memory in auto-refresh mode */
+
+	mov.l	@(SH_SLEEP_MODE, r5), r0
+	tst	#SUSP_SH_RSTANDBY, r0
+	bf	resume_rstandby
+
+	ED 0xFD000040, 0x00000000 /* DBRFPDN0 */
+	WAIT 1
+	ED 0xFD000014, 0x00000002 /* DBCMDCNT (PALL) */
+	ED 0xFD000014, 0x00000004 /* DBCMDCNT (REF) */
+	ED 0xFD000010, 0x00000001 /* DBEN */
+	ED 0xFD000040, 0x00010000 /* DBRFPDN0 */
+
+	rts
+	 nop
+
+resume_rstandby:
+
+	/* DBSC: re-initialize and put in auto-refresh */
+
+	ED 0xFD000108, 0x40000301 /* DBPDCNT0 */
+	ED 0xFD000020, 0x011B0002 /* DBCONF */
+	ED 0xFD000030, 0x03060E02 /* DBTR0 */
+	ED 0xFD000034, 0x01020102 /* DBTR1 */
+	ED 0xFD000038, 0x01090406 /* DBTR2 */
+	ED 0xFD000008, 0x00000004 /* DBKIND */
+	ED 0xFD000040, 0x00000001 /* DBRFPDN0 */
+	ED 0xFD000040, 0x00000000 /* DBRFPDN0 */
+	ED 0xFD000018, 0x00000001 /* DBCKECNT */
+	WAIT 1
+	ED 0xFD000010, 0x00000001 /* DBEN */
+	ED 0xFD000044, 0x000004AF /* DBRFPDN1 */
+	ED 0xFD000048, 0x20CF0037 /* DBRFPDN2 */
+	ED 0xFD000014, 0x00000004 /* DBCMDCNT (REF) */
+	ED 0xFD000108, 0x40000300 /* DBPDCNT0 */
+	ED 0xFD000040, 0x00010000 /* DBRFPDN0 */
+
+	rts
+	 nop
+
+ENTRY(kfr2r09_sdram_leave_end)

arch/sh/boards/mach-kfr2r09/setup.c

@@ -16,13 +16,16 @@
 #include <linux/clk.h>
 #include <linux/gpio.h>
 #include <linux/input.h>
+#include <linux/input/sh_keysc.h>
 #include <linux/i2c.h>
 #include <linux/usb/r8a66597.h>
+#include <media/soc_camera.h>
+#include <media/sh_mobile_ceu.h>
 #include <video/sh_mobile_lcdc.h>
+#include <asm/suspend.h>
 #include <asm/clock.h>
 #include <asm/machvec.h>
 #include <asm/io.h>
-#include <asm/sh_keysc.h>
 #include <cpu/sh7724.h>
 #include <mach/kfr2r09.h>
 
@@ -212,11 +215,154 @@ static struct platform_device kfr2r09_usb0_gadget_device = {
 	.resource	= kfr2r09_usb0_gadget_resources,
 };
 
+static struct sh_mobile_ceu_info sh_mobile_ceu_info = {
+	.flags = SH_CEU_FLAG_USE_8BIT_BUS,
+};
+
+static struct resource kfr2r09_ceu_resources[] = {
+	[0] = {
+		.name	= "CEU",
+		.start	= 0xfe910000,
+		.end	= 0xfe91009f,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = 52,
+		.end  = 52,
+		.flags  = IORESOURCE_IRQ,
+	},
+	[2] = {
+		/* place holder for contiguous memory */
+	},
+};
+
+static struct platform_device kfr2r09_ceu_device = {
+	.name		= "sh_mobile_ceu",
+	.id             = 0, /* "ceu0" clock */
+	.num_resources	= ARRAY_SIZE(kfr2r09_ceu_resources),
+	.resource	= kfr2r09_ceu_resources,
+	.dev	= {
+		.platform_data	= &sh_mobile_ceu_info,
+	},
+	.archdata = {
+		.hwblk_id = HWBLK_CEU0,
+	},
+};
+
+static struct i2c_board_info kfr2r09_i2c_camera = {
+	I2C_BOARD_INFO("rj54n1cb0c", 0x50),
+};
+
+static struct clk *camera_clk;
+
+#define DRVCRB 0xA405018C
+static int camera_power(struct device *dev, int mode)
+{
+	int ret;
+
+	if (mode) {
+		long rate;
+
+		camera_clk = clk_get(NULL, "video_clk");
+		if (IS_ERR(camera_clk))
+			return PTR_ERR(camera_clk);
+
+		/* set VIO_CKO clock to 25MHz */
+		rate = clk_round_rate(camera_clk, 25000000);
+		ret = clk_set_rate(camera_clk, rate);
+		if (ret < 0)
+			goto eclkrate;
+
+		/* set DRVCRB
+		 *
+		 * use 1.8 V for VccQ_VIO
+		 * use 2.85V for VccQ_SR
+		 */
+		ctrl_outw((ctrl_inw(DRVCRB) & ~0x0003) | 0x0001, DRVCRB);
+
+		/* reset clear */
+		ret = gpio_request(GPIO_PTB4, NULL);
+		if (ret < 0)
+			goto eptb4;
+		ret = gpio_request(GPIO_PTB7, NULL);
+		if (ret < 0)
+			goto eptb7;
+
+		ret = gpio_direction_output(GPIO_PTB4, 1);
+		if (!ret)
+			ret = gpio_direction_output(GPIO_PTB7, 1);
+		if (ret < 0)
+			goto egpioout;
+		msleep(1);
+
+		ret = clk_enable(camera_clk);	/* start VIO_CKO */
+		if (ret < 0)
+			goto eclkon;
+
+		return 0;
+	}
+
+	ret = 0;
+
+	clk_disable(camera_clk);
+eclkon:
+	gpio_set_value(GPIO_PTB7, 0);
+egpioout:
+	gpio_set_value(GPIO_PTB4, 0);
+	gpio_free(GPIO_PTB7);
+eptb7:
+	gpio_free(GPIO_PTB4);
+eptb4:
+eclkrate:
+	clk_put(camera_clk);
+	return ret;
+}
+
+static struct soc_camera_link rj54n1_link = {
+	.power		= camera_power,
+	.board_info	= &kfr2r09_i2c_camera,
+	.i2c_adapter_id	= 1,
+	.module_name	= "rj54n1cb0c",
+};
+
+static struct platform_device kfr2r09_camera = {
+	.name	= "soc-camera-pdrv",
+	.id	= 0,
+	.dev	= {
+		.platform_data = &rj54n1_link,
+	},
+};
+
+static struct resource kfr2r09_sh_sdhi0_resources[] = {
+	[0] = {
+		.name	= "SDHI0",
+		.start  = 0x04ce0000,
+		.end    = 0x04ce01ff,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = 101,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device kfr2r09_sh_sdhi0_device = {
+	.name           = "sh_mobile_sdhi",
+	.num_resources  = ARRAY_SIZE(kfr2r09_sh_sdhi0_resources),
+	.resource       = kfr2r09_sh_sdhi0_resources,
+	.archdata = {
+		.hwblk_id = HWBLK_SDHI0,
+	},
+};
+
 static struct platform_device *kfr2r09_devices[] __initdata = {
 	&kfr2r09_nor_flash_device,
 	&kfr2r09_nand_flash_device,
 	&kfr2r09_sh_keysc_device,
 	&kfr2r09_sh_lcdc_device,
+	&kfr2r09_ceu_device,
+	&kfr2r09_camera,
+	&kfr2r09_sh_sdhi0_device,
 };
 
 #define BSC_CS0BCR 0xfec10004
@@ -268,11 +414,59 @@ static int kfr2r09_usb0_gadget_i2c_setup(void)
 
 	return 0;
 }
+
+static int kfr2r09_serial_i2c_setup(void)
+{
+	struct i2c_adapter *a;
+	struct i2c_msg msg;
+	unsigned char buf[2];
+	int ret;
+
+	a = i2c_get_adapter(0);
+	if (!a)
+		return -ENODEV;
+
+	/* set bit 6 (the 7th bit) of chip at 0x09, register 0x13 */
+	buf[0] = 0x13;
+	msg.addr = 0x09;
+	msg.buf = buf;
+	msg.len = 1;
+	msg.flags = 0;
+	ret = i2c_transfer(a, &msg, 1);
+	if (ret != 1)
+		return -ENODEV;
+
+	buf[0] = 0;
+	msg.addr = 0x09;
+	msg.buf = buf;
+	msg.len = 1;
+	msg.flags = I2C_M_RD;
+	ret = i2c_transfer(a, &msg, 1);
+	if (ret != 1)
+		return -ENODEV;
+
+	buf[1] = buf[0] | (1 << 6);
+	buf[0] = 0x13;
+	msg.addr = 0x09;
+	msg.buf = buf;
+	msg.len = 2;
+	msg.flags = 0;
+	ret = i2c_transfer(a, &msg, 1);
+	if (ret != 1)
+		return -ENODEV;
+
+	return 0;
+}
 #else
 static int kfr2r09_usb0_gadget_i2c_setup(void)
 {
 	return -ENODEV;
 }
+
+static int kfr2r09_serial_i2c_setup(void)
+{
+	return -ENODEV;
+}
 #endif
 
 static int kfr2r09_usb0_gadget_setup(void)
@@ -299,11 +493,27 @@ static int kfr2r09_usb0_gadget_setup(void)
 	return 0;
 }
 
+extern char kfr2r09_sdram_enter_start;
+extern char kfr2r09_sdram_enter_end;
+extern char kfr2r09_sdram_leave_start;
+extern char kfr2r09_sdram_leave_end;
+
 static int __init kfr2r09_devices_setup(void)
 {
+	/* register board specific self-refresh code */
+	sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF |
+					SUSP_SH_RSTANDBY,
+					&kfr2r09_sdram_enter_start,
+					&kfr2r09_sdram_enter_end,
+					&kfr2r09_sdram_leave_start,
+					&kfr2r09_sdram_leave_end);
+
 	/* enable SCIF1 serial port for YC401 console support */
 	gpio_request(GPIO_FN_SCIF1_RXD, NULL);
 	gpio_request(GPIO_FN_SCIF1_TXD, NULL);
+	kfr2r09_serial_i2c_setup(); /* ECONTMSK(bit6=L10ONEN) set 1 */
+	gpio_request(GPIO_PTG3, NULL); /* HPON_ON */
+	gpio_direction_output(GPIO_PTG3, 1); /* HPON_ON = H */
 
 	/* setup NOR flash at CS0 */
 	ctrl_outl(0x36db0400, BSC_CS0BCR);
@@ -361,6 +571,32 @@ static int __init kfr2r09_devices_setup(void)
 	if (kfr2r09_usb0_gadget_setup() == 0)
 		platform_device_register(&kfr2r09_usb0_gadget_device);
 
+	/* CEU */
+	gpio_request(GPIO_FN_VIO_CKO, NULL);
+	gpio_request(GPIO_FN_VIO0_CLK, NULL);
+	gpio_request(GPIO_FN_VIO0_VD, NULL);
+	gpio_request(GPIO_FN_VIO0_HD, NULL);
+	gpio_request(GPIO_FN_VIO0_FLD, NULL);
+	gpio_request(GPIO_FN_VIO0_D7, NULL);
+	gpio_request(GPIO_FN_VIO0_D6, NULL);
+	gpio_request(GPIO_FN_VIO0_D5, NULL);
+	gpio_request(GPIO_FN_VIO0_D4, NULL);
+	gpio_request(GPIO_FN_VIO0_D3, NULL);
+	gpio_request(GPIO_FN_VIO0_D2, NULL);
+	gpio_request(GPIO_FN_VIO0_D1, NULL);
+	gpio_request(GPIO_FN_VIO0_D0, NULL);
+
+	platform_resource_setup_memory(&kfr2r09_ceu_device, "ceu", 4 << 20);
+
+	/* SDHI0 connected to yc304 */
+	gpio_request(GPIO_FN_SDHI0CD, NULL);
+	gpio_request(GPIO_FN_SDHI0D3, NULL);
+	gpio_request(GPIO_FN_SDHI0D2, NULL);
+	gpio_request(GPIO_FN_SDHI0D1, NULL);
+	gpio_request(GPIO_FN_SDHI0D0, NULL);
+	gpio_request(GPIO_FN_SDHI0CMD, NULL);
+	gpio_request(GPIO_FN_SDHI0CLK, NULL);
+
 	return platform_add_devices(kfr2r09_devices,
 				    ARRAY_SIZE(kfr2r09_devices));
 }

arch/sh/boards/mach-migor/Makefile

-obj-y	 := setup.o
+obj-y	 := setup.o sdram.o
 obj-$(CONFIG_SH_MIGOR_QVGA)	+=  lcd_qvga.o

arch/sh/boards/mach-migor/sdram.S

+/*
+ * Migo-R sdram self/auto-refresh setup code
+ *
+ *  Copyright (C) 2009 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/sys.h>
+#include <linux/errno.h>
+#include <linux/linkage.h>
+#include <asm/asm-offsets.h>
+#include <asm/suspend.h>
+#include <asm/romimage-macros.h>
+
+/* code to enter and leave self-refresh. must be self-contained.
+ * this code will be copied to on-chip memory and executed from there.
+ */
+	.balign 4
+ENTRY(migor_sdram_enter_start)
+
+	/* SBSC: disable power down and put in self-refresh mode */
+	mov.l	1f, r4
+	mov.l	2f, r1
+	mov.l	@r4, r2
+	or	r1, r2
+	mov.l   3f, r3
+	and	r3, r2
+	mov.l	r2, @r4
+
+	rts
+	 nop
+
+	.balign 4
+1:	.long	0xfe400008 /* SDCR0 */
+2:	.long	0x00000400
+3:	.long	0xffff7fff
+ENTRY(migor_sdram_enter_end)
+
+	.balign 4
+ENTRY(migor_sdram_leave_start)
+
+	/* SBSC: set auto-refresh mode */
+	mov.l	1f, r4
+	mov.l	@r4, r0
+	mov.l   4f, r1
+	and	r1, r0
+	mov.l	r0, @r4
+	mov.l	6f, r4
+	mov.l	8f, r0
+	mov.l	@r4, r1
+	mov	#-1, r4
+	add	r4, r1
+	or	r1, r0
+	mov.l	7f, r1
+	mov.l	r0, @r1
+
+	rts
+	 nop
+
+	.balign 4
+1:	.long	0xfe400008 /* SDCR0 */
+4:	.long	0xfffffbff
+6:	.long   0xfe40001c /* RTCOR */
+7:	.long   0xfe400018 /* RTCNT */
+8:	.long   0xa55a0000
+ENTRY(migor_sdram_leave_end)

arch/sh/boards/mach-migor/setup.c

@@ -11,6 +11,7 @@
 #include <linux/platform_device.h>
 #include <linux/interrupt.h>
 #include <linux/input.h>
+#include <linux/input/sh_keysc.h>
 #include <linux/mtd/physmap.h>
 #include <linux/mtd/nand.h>
 #include <linux/i2c.h>
@@ -18,8 +19,6 @@
 #include <linux/delay.h>
 #include <linux/clk.h>
 #include <linux/gpio.h>
-#include <linux/spi/spi.h>
-#include <linux/spi/spi_gpio.h>
 #include <video/sh_mobile_lcdc.h>
 #include <media/sh_mobile_ceu.h>
 #include <media/ov772x.h>
@@ -27,7 +26,7 @@
 #include <asm/clock.h>
 #include <asm/machvec.h>
 #include <asm/io.h>
-#include <asm/sh_keysc.h>
+#include <asm/suspend.h>
 #include <mach/migor.h>
 #include <cpu/sh7722.h>
 
@@ -390,17 +389,25 @@ static struct platform_device migor_ceu_device = {
 	},
 };
 
-struct spi_gpio_platform_data sdcard_cn9_platform_data = {
-	.sck = GPIO_PTD0,
-	.mosi = GPIO_PTD1,
-	.miso = GPIO_PTD2,
-	.num_chipselect = 1,
+static struct resource sdhi_cn9_resources[] = {
+	[0] = {
+		.name	= "SDHI",
+		.start	= 0x04ce0000,
+		.end	= 0x04ce01ff,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.start	= 101,
+		.flags  = IORESOURCE_IRQ,
+	},
 };
 
-static struct platform_device sdcard_cn9_device = {
-	.name		= "spi_gpio",
-	.dev	= {
-		.platform_data	= &sdcard_cn9_platform_data,
+static struct platform_device sdhi_cn9_device = {
+	.name		= "sh_mobile_sdhi",
+	.num_resources	= ARRAY_SIZE(sdhi_cn9_resources),
+	.resource	= sdhi_cn9_resources,
+	.archdata = {
+		.hwblk_id = HWBLK_SDHI,
 	},
 };
 
@@ -467,23 +474,24 @@ static struct platform_device *migor_devices[] __initdata = {
 	&migor_ceu_device,
 	&migor_nor_flash_device,
 	&migor_nand_flash_device,
-	&sdcard_cn9_device,
+	&sdhi_cn9_device,
 	&migor_camera[0],
 	&migor_camera[1],
 };
 
-static struct spi_board_info migor_spi_devices[] = {
-	{
-		.modalias = "mmc_spi",
-		.max_speed_hz = 5000000,
-		.chip_select = 0,
-		.controller_data = (void *) GPIO_PTD5,
-	},
-};
+extern char migor_sdram_enter_start;
+extern char migor_sdram_enter_end;
+extern char migor_sdram_leave_start;
+extern char migor_sdram_leave_end;
 
 static int __init migor_devices_setup(void)
 {
-
+	/* register board specific self-refresh code */
+	sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF,
+					&migor_sdram_enter_start,
+					&migor_sdram_enter_end,
+					&migor_sdram_leave_start,
+					&migor_sdram_leave_end);
 #ifdef CONFIG_PM
 	/* Let D11 LED show STATUS0 */
 	gpio_request(GPIO_FN_STATUS0, NULL);
@@ -525,6 +533,16 @@ static int __init migor_devices_setup(void)
 	gpio_request(GPIO_PTA1, NULL);
 	gpio_direction_input(GPIO_PTA1);
 
+	/* SDHI */
+	gpio_request(GPIO_FN_SDHICD, NULL);
+	gpio_request(GPIO_FN_SDHIWP, NULL);
+	gpio_request(GPIO_FN_SDHID3, NULL);
+	gpio_request(GPIO_FN_SDHID2, NULL);
+	gpio_request(GPIO_FN_SDHID1, NULL);
+	gpio_request(GPIO_FN_SDHID0, NULL);
+	gpio_request(GPIO_FN_SDHICMD, NULL);
+	gpio_request(GPIO_FN_SDHICLK, NULL);
+
 	/* Touch Panel */
 	gpio_request(GPIO_FN_IRQ6, NULL);
 
@@ -612,9 +630,6 @@ static int __init migor_devices_setup(void)
 	i2c_register_board_info(0, migor_i2c_devices,
 				ARRAY_SIZE(migor_i2c_devices));
 
-	spi_register_board_info(migor_spi_devices,
-				ARRAY_SIZE(migor_spi_devices));
-
 	return platform_add_devices(migor_devices, ARRAY_SIZE(migor_devices));
 }
 arch_initcall(migor_devices_setup);

arch/sh/boards/mach-r2d/irq.c

@@ -116,7 +116,7 @@ static unsigned char irl2irq[R2D_NR_IRL];
 
 int rts7751r2d_irq_demux(int irq)
 {
-	if (irq >= R2D_NR_IRL || !irl2irq[irq])
+	if (irq >= R2D_NR_IRL || irq < 0 || !irl2irq[irq])
 		return irq;
 
 	return irl2irq[irq];

arch/sh/boards/mach-se/7722/irq.c

@@ -16,15 +16,17 @@
 #include <asm/io.h>
 #include <mach-se/mach/se7722.h>
 
+unsigned int se7722_fpga_irq[SE7722_FPGA_IRQ_NR] = { 0, };
+
 static void disable_se7722_irq(unsigned int irq)
 {
-	unsigned int bit = irq - SE7722_FPGA_IRQ_BASE;
+	unsigned int bit = (unsigned int)get_irq_chip_data(irq);
 	ctrl_outw(ctrl_inw(IRQ01_MASK) | 1 << bit, IRQ01_MASK);
 }
 
 static void enable_se7722_irq(unsigned int irq)
 {
-	unsigned int bit = irq - SE7722_FPGA_IRQ_BASE;
+	unsigned int bit = (unsigned int)get_irq_chip_data(irq);
 	ctrl_outw(ctrl_inw(IRQ01_MASK) & ~(1 << bit), IRQ01_MASK);
 }
 
@@ -38,18 +40,15 @@ static struct irq_chip se7722_irq_chip __read_mostly = {
 static void se7722_irq_demux(unsigned int irq, struct irq_desc *desc)
 {
 	unsigned short intv = ctrl_inw(IRQ01_STS);
-	struct irq_desc *ext_desc;
-	unsigned int ext_irq = SE7722_FPGA_IRQ_BASE;
+	unsigned int ext_irq = 0;
 
 	intv &= (1 << SE7722_FPGA_IRQ_NR) - 1;
 
-	while (intv) {
-		if (intv & 1) {
-			ext_desc = irq_desc + ext_irq;
-			handle_level_irq(ext_irq, ext_desc);
-		}
-		intv >>= 1;
-		ext_irq++;
+	for (; intv; intv >>= 1, ext_irq++) {
+		if (!(intv & 1))
+			continue;
+
+		generic_handle_irq(se7722_fpga_irq[ext_irq]);
 	}
 }
 
@@ -63,11 +62,18 @@ void __init init_se7722_IRQ(void)
 	ctrl_outw(0, IRQ01_MASK);       /* disable all irqs */
 	ctrl_outw(0x2000, 0xb03fffec);  /* mrshpc irq enable */
 
-	for (i = 0; i < SE7722_FPGA_IRQ_NR; i++)
-		set_irq_chip_and_handler_name(SE7722_FPGA_IRQ_BASE + i,
+	for (i = 0; i < SE7722_FPGA_IRQ_NR; i++) {
+		se7722_fpga_irq[i] = create_irq();
+		if (se7722_fpga_irq[i] < 0)
+			return;
+
+		set_irq_chip_and_handler_name(se7722_fpga_irq[i],
 					      &se7722_irq_chip,
 					      handle_level_irq, "level");
 
+		set_irq_chip_data(se7722_fpga_irq[i], (void *)i);
+	}
+
 	set_irq_chained_handler(IRQ0_IRQ, se7722_irq_demux);
 	set_irq_type(IRQ0_IRQ, IRQ_TYPE_LEVEL_LOW);
 

arch/sh/boards/mach-se/7722/setup.c

@@ -14,6 +14,7 @@
 #include <linux/platform_device.h>
 #include <linux/ata_platform.h>
 #include <linux/input.h>
+#include <linux/input/sh_keysc.h>
 #include <linux/smc91x.h>
 #include <mach-se/mach/se7722.h>
 #include <mach-se/mach/mrshpc.h>
@@ -21,7 +22,6 @@
 #include <asm/clock.h>
 #include <asm/io.h>
 #include <asm/heartbeat.h>
-#include <asm/sh_keysc.h>
 #include <cpu/sh7722.h>
 
 /* Heartbeat */
@@ -60,8 +60,7 @@ static struct resource smc91x_eth_resources[] = {
 		.flags  = IORESOURCE_MEM,
 	},
 	[1] = {
-		.start  = SMC_IRQ,
-		.end    = SMC_IRQ,
+		/* Filled in later */
 		.flags  = IORESOURCE_IRQ,
 	},
 };
@@ -90,8 +89,7 @@ static struct resource cf_ide_resources[] = {
 		.flags  = IORESOURCE_IO,
 	},
 	[2] = {
-		.start  = MRSHPC_IRQ0,
-		.end    = MRSHPC_IRQ0,
+		/* Filled in later */
 		.flags  = IORESOURCE_IRQ,
 	},
 };
@@ -153,6 +151,14 @@ static struct platform_device *se7722_devices[] __initdata = {
 static int __init se7722_devices_setup(void)
 {
 	mrshpc_setup_windows();
+
+	/* Wire-up dynamic vectors */
+	cf_ide_resources[2].start = cf_ide_resources[2].end =
+		se7722_fpga_irq[SE7722_FPGA_IRQ_MRSHPC0];
+
+	smc91x_eth_resources[1].start = smc91x_eth_resources[1].end =
+		se7722_fpga_irq[SE7722_FPGA_IRQ_SMC];
+
 	return platform_add_devices(se7722_devices, ARRAY_SIZE(se7722_devices));
 }
 device_initcall(se7722_devices_setup);
@@ -193,6 +199,5 @@ static void __init se7722_setup(char **cmdline_p)
 static struct sh_machine_vector mv_se7722 __initmv = {
 	.mv_name                = "Solution Engine 7722" ,
 	.mv_setup               = se7722_setup ,
-	.mv_nr_irqs		= SE7722_FPGA_IRQ_BASE + SE7722_FPGA_IRQ_NR,
 	.mv_init_irq		= init_se7722_IRQ,
 };

arch/sh/boards/mach-se/7724/Makefile

@@ -7,4 +7,4 @@
 #
 #
 
-obj-y	 := setup.o irq.o
+obj-y	 := setup.o irq.o sdram.o
\ No newline at end of file

arch/sh/boards/mach-se/7724/sdram.S

+/*
+ * MS7724SE sdram self/auto-refresh setup code
+ *
+ *  Copyright (C) 2009 Magnus Damm
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#include <linux/sys.h>
+#include <linux/errno.h>
+#include <linux/linkage.h>
+#include <asm/asm-offsets.h>
+#include <asm/suspend.h>
+#include <asm/romimage-macros.h>
+
+/* code to enter and leave self-refresh. must be self-contained.
+ * this code will be copied to on-chip memory and executed from there.
+ */
+	.balign 4
+ENTRY(ms7724se_sdram_enter_start)
+
+	/* DBSC: put memory in self-refresh mode */
+
+	ED 0xFD000010, 0x00000000 /* DBEN */
+	ED 0xFD000040, 0x00000000 /* DBRFPDN0 */
+	ED 0xFD000014, 0x00000002 /* DBCMDCNT (PALL) */
+	ED 0xFD000014, 0x00000004 /* DBCMDCNT (REF) */
+	ED 0xFD000040, 0x00000001 /* DBRFPDN0 */
+
+	rts
+	 nop
+
+ENTRY(ms7724se_sdram_enter_end)
+
+	.balign 4
+ENTRY(ms7724se_sdram_leave_start)
+
+	/* DBSC: put memory in auto-refresh mode */
+
+	ED 0xFD000040, 0x00000000 /* DBRFPDN0 */
+	WAIT 1
+	ED 0xFD000014, 0x00000002 /* DBCMDCNT (PALL) */
+	ED 0xFD000014, 0x00000004 /* DBCMDCNT (REF) */
+	ED 0xFD000010, 0x00000001 /* DBEN */
+	ED 0xFD000040, 0x00010000 /* DBRFPDN0 */
+
+	rts
+	 nop
+
+ENTRY(ms7724se_sdram_leave_end)

arch/sh/boards/mach-se/7724/setup.c

@@ -19,6 +19,7 @@
 #include <linux/smc91x.h>
 #include <linux/gpio.h>
 #include <linux/input.h>
+#include <linux/input/sh_keysc.h>
 #include <linux/usb/r8a66597.h>
 #include <video/sh_mobile_lcdc.h>
 #include <media/sh_mobile_ceu.h>
@@ -27,7 +28,7 @@
 #include <asm/heartbeat.h>
 #include <asm/sh_eth.h>
 #include <asm/clock.h>
-#include <asm/sh_keysc.h>
+#include <asm/suspend.h>
 #include <cpu/sh7724.h>
 #include <mach-se/mach/se7724.h>
 
@@ -451,6 +452,52 @@ static struct platform_device sh7724_usb1_gadget_device = {
 	.resource	= sh7724_usb1_gadget_resources,
 };
 
+static struct resource sdhi0_cn7_resources[] = {
+	[0] = {
+		.name	= "SDHI0",
+		.start  = 0x04ce0000,
+		.end    = 0x04ce01ff,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = 101,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device sdhi0_cn7_device = {
+	.name           = "sh_mobile_sdhi",
+	.id		= 0,
+	.num_resources  = ARRAY_SIZE(sdhi0_cn7_resources),
+	.resource       = sdhi0_cn7_resources,
+	.archdata = {
+		.hwblk_id = HWBLK_SDHI0,
+	},
+};
+
+static struct resource sdhi1_cn8_resources[] = {
+	[0] = {
+		.name	= "SDHI1",
+		.start  = 0x04cf0000,
+		.end    = 0x04cf01ff,
+		.flags  = IORESOURCE_MEM,
+	},
+	[1] = {
+		.start  = 24,
+		.flags  = IORESOURCE_IRQ,
+	},
+};
+
+static struct platform_device sdhi1_cn8_device = {
+	.name           = "sh_mobile_sdhi",
+	.id		= 1,
+	.num_resources  = ARRAY_SIZE(sdhi1_cn8_resources),
+	.resource       = sdhi1_cn8_resources,
+	.archdata = {
+		.hwblk_id = HWBLK_SDHI1,
+	},
+};
+
 static struct platform_device *ms7724se_devices[] __initdata = {
 	&heartbeat_device,
 	&smc91x_eth_device,
@@ -463,6 +510,8 @@ static struct platform_device *ms7724se_devices[] __initdata = {
 	&sh7724_usb0_host_device,
 	&sh7724_usb1_gadget_device,
 	&fsi_device,
+	&sdhi0_cn7_device,
+	&sdhi1_cn8_device,
 };
 
 #define EEPROM_OP   0xBA206000
@@ -487,7 +536,7 @@ static int __init sh_eth_is_eeprom_ready(void)
 static void __init sh_eth_init(void)
 {
 	int i;
-	u16 mac[3];
+	u16 mac;
 
 	/* check EEPROM status */
 	if (!sh_eth_is_eeprom_ready())
@@ -501,16 +550,10 @@ static void __init sh_eth_init(void)
 		if (!sh_eth_is_eeprom_ready())
 			return;
 
-		mac[i] = ctrl_inw(EEPROM_DATA);
-		mac[i] = ((mac[i] & 0xFF) << 8) | (mac[i] >> 8); /* swap */
+		mac = ctrl_inw(EEPROM_DATA);
+		sh_eth_plat.mac_addr[i << 1] = mac & 0xff;
+		sh_eth_plat.mac_addr[(i << 1) + 1] = mac >> 8;
 	}
-
-	/* reset sh-eth */
-	ctrl_outl(0x1, SH_ETH_ADDR + 0x0);
-
-	/* set MAC addr */
-	ctrl_outl(((mac[0] << 16) | (mac[1])), SH_ETH_MAHR);
-	ctrl_outl((mac[2]), SH_ETH_MALR);
 }
 
 #define SW4140    0xBA201000
@@ -527,11 +570,22 @@ static void __init sh_eth_init(void)
 #define SW41_G    0x4000
 #define SW41_H    0x8000
 
+extern char ms7724se_sdram_enter_start;
+extern char ms7724se_sdram_enter_end;
+extern char ms7724se_sdram_leave_start;
+extern char ms7724se_sdram_leave_end;
+
 static int __init devices_setup(void)
 {
 	u16 sw = ctrl_inw(SW4140); /* select camera, monitor */
 	struct clk *fsia_clk;
 
+	/* register board specific self-refresh code */
+	sh_mobile_register_self_refresh(SUSP_SH_STANDBY | SUSP_SH_SF,
+					&ms7724se_sdram_enter_start,
+					&ms7724se_sdram_enter_end,
+					&ms7724se_sdram_leave_start,
+					&ms7724se_sdram_leave_end);
 	/* Reset Release */
 	ctrl_outw(ctrl_inw(FPGA_OUT) &
 		  ~((1 << 1)  | /* LAN */
@@ -701,6 +755,26 @@ static int __init devices_setup(void)
 	clk_set_rate(&fsimcka_clk, 11000);
 	clk_put(fsia_clk);
 
+	/* SDHI0 connected to cn7 */
+	gpio_request(GPIO_FN_SDHI0CD, NULL);
+	gpio_request(GPIO_FN_SDHI0WP, NULL);
+	gpio_request(GPIO_FN_SDHI0D3, NULL);
+	gpio_request(GPIO_FN_SDHI0D2, NULL);
+	gpio_request(GPIO_FN_SDHI0D1, NULL);
+	gpio_request(GPIO_FN_SDHI0D0, NULL);
+	gpio_request(GPIO_FN_SDHI0CMD, NULL);
+	gpio_request(GPIO_FN_SDHI0CLK, NULL);
+
+	/* SDHI1 connected to cn8 */
+	gpio_request(GPIO_FN_SDHI1CD, NULL);
+	gpio_request(GPIO_FN_SDHI1WP, NULL);
+	gpio_request(GPIO_FN_SDHI1D3, NULL);
+	gpio_request(GPIO_FN_SDHI1D2, NULL);
+	gpio_request(GPIO_FN_SDHI1D1, NULL);
+	gpio_request(GPIO_FN_SDHI1D0, NULL);
+	gpio_request(GPIO_FN_SDHI1CMD, NULL);
+	gpio_request(GPIO_FN_SDHI1CLK, NULL);
+
 	/*
 	 * enable SH-Eth
 	 *

arch/sh/boot/compressed/misc.c

@@ -131,7 +131,7 @@ void decompress_kernel(void)
 #ifdef CONFIG_SUPERH64
 	output_addr = (CONFIG_MEMORY_START + 0x2000);
 #else
-	output_addr = PHYSADDR((unsigned long)&_text+PAGE_SIZE);
+	output_addr = __pa((unsigned long)&_text+PAGE_SIZE);
 #ifdef CONFIG_29BIT
 	output_addr |= P2SEG;
 #endif

arch/sh/boot/romimage/Makefile

@@ -4,16 +4,22 @@
 # create an image suitable for burning to flash from zImage
 #
 
-targets		:= vmlinux head.o
+targets		:= vmlinux head.o zeropage.bin piggy.o
 
 OBJECTS = $(obj)/head.o
-LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext 0 -e romstart
+LDFLAGS_vmlinux := --oformat $(ld-bfd) -Ttext 0 -e romstart \
+		   -T $(obj)/../../kernel/vmlinux.lds
 
 $(obj)/vmlinux: $(OBJECTS) $(obj)/piggy.o FORCE
 	$(call if_changed,ld)
 	@:
 
+OBJCOPYFLAGS += -j .empty_zero_page
+
+$(obj)/zeropage.bin: vmlinux FORCE
+	$(call if_changed,objcopy)
+
 LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
 
-$(obj)/piggy.o: $(obj)/vmlinux.scr arch/sh/boot/zImage FORCE
+$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/zeropage.bin arch/sh/boot/zImage FORCE
 	$(call if_changed,ld)

arch/sh/boot/romimage/head.S

@@ -5,6 +5,44 @@
  */
 
 .text
+	#include <asm/page.h>
+
 	.global	romstart
 romstart:
+	/* include board specific setup code */
 #include <mach/romimage.h>
+
+	/* copy the empty_zero_page contents to where vmlinux expects it */
+	mova	empty_zero_page_src, r0
+	mov.l	empty_zero_page_dst, r1
+	mov	#(PAGE_SHIFT - 4), r4
+	mov	#1, r3
+	shld	r4, r3 /* r3 = PAGE_SIZE / 16 */
+
+1:
+	mov.l	@r0, r4
+	mov.l	@(4, r0), r5
+	mov.l	@(8, r0), r6
+	mov.l	@(12, r0), r7
+	add	#16,r0
+	mov.l	r4, @r1
+	mov.l	r5, @(4, r1)
+	mov.l	r6, @(8, r1)
+	mov.l	r7, @(12, r1)
+	dt	r3
+	add	#16,r1
+	bf	1b
+
+	/* jump to the zImage entry point located after the zero page data */
+	mov	#PAGE_SHIFT, r4
+	mov	#1, r1
+	shld	r4, r1
+	mova	empty_zero_page_src, r0
+	add	r1, r0
+	jmp	@r0
+	 nop
+
+	.align 2
+empty_zero_page_dst:
+	.long	_text
+empty_zero_page_src:

arch/sh/drivers/dma/dma-sysfs.c

@@ -13,7 +13,6 @@
 #include <linux/init.h>
 #include <linux/sysdev.h>
 #include <linux/platform_device.h>
-#include <linux/module.h>
 #include <linux/err.h>
 #include <linux/string.h>
 #include <asm/dma.h>
@@ -21,7 +20,6 @@
 static struct sysdev_class dma_sysclass = {
 	.name = "dma",
 };
-EXPORT_SYMBOL(dma_sysclass);
 
 static ssize_t dma_show_devices(struct sys_device *dev,
 				struct sysdev_attribute *attr, char *buf)

arch/sh/drivers/pci/Kconfig

-config PCI
-	bool "PCI support"
-	depends on SYS_SUPPORTS_PCI
-	help
-	  Find out whether you have a PCI motherboard. PCI is the name of a
-	  bus system, i.e. the way the CPU talks to the other stuff inside
-	  your box. If you have PCI, say Y, otherwise N.
-
-config SH_PCIDMA_NONCOHERENT
-	bool "Cache and PCI noncoherent"
-	depends on PCI
-	default y
-	help
-	  Enable this option if your platform does not have a CPU cache which
-	  remains coherent with PCI DMA. It is safest to say 'Y', although you
-	  will see better performance if you can say 'N', because the PCI DMA
-	  code will not have to flush the CPU's caches. If you have a PCI host
-	  bridge integrated with your SH CPU, refer carefully to the chip specs
-	  to see if you can say 'N' here. Otherwise, leave it as 'Y'.

arch/sh/include/asm/addrspace.h

@@ -28,9 +28,6 @@
 /* Returns the privileged segment base of a given address  */
 #define PXSEG(a)	(((unsigned long)(a)) & 0xe0000000)
 
-/* Returns the physical address of a PnSEG (n=1,2) address   */
-#define PHYSADDR(a)	(((unsigned long)(a)) & 0x1fffffff)
-
 #if defined(CONFIG_29BIT) || defined(CONFIG_PMB_FIXED)
 /*
  * Map an address to a certain privileged segment
@@ -60,5 +57,11 @@
 #define P3_ADDR_MAX		P4SEG
 #endif
 
+#ifndef __ASSEMBLY__
+#ifdef CONFIG_PMB
+extern int __in_29bit_mode(void);
+#endif /* CONFIG_PMB */
+#endif /* __ASSEMBLY__ */
+
 #endif /* __KERNEL__ */
 #endif /* __ASM_SH_ADDRSPACE_H */

arch/sh/include/asm/atomic.h

@@ -78,11 +78,10 @@ static inline int atomic_add_unless(atomic_t *v, int a, int u)
 #define atomic_xchg(v, new) (xchg(&((v)->counter), new))
 #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0)
 
-/* Atomic operations are already serializing on SH */
-#define smp_mb__before_atomic_dec()	barrier()
-#define smp_mb__after_atomic_dec()	barrier()
-#define smp_mb__before_atomic_inc()	barrier()
-#define smp_mb__after_atomic_inc()	barrier()
+#define smp_mb__before_atomic_dec()	smp_mb()
+#define smp_mb__after_atomic_dec()	smp_mb()
+#define smp_mb__before_atomic_inc()	smp_mb()
+#define smp_mb__after_atomic_inc()	smp_mb()
 
 #include <asm-generic/atomic-long.h>
 #include <asm-generic/atomic64.h>

arch/sh/include/asm/bitops.h

@@ -26,8 +26,8 @@
 /*
  * clear_bit() doesn't provide any barrier for the compiler.
  */
-#define smp_mb__before_clear_bit()	barrier()
-#define smp_mb__after_clear_bit()	barrier()
+#define smp_mb__before_clear_bit()	smp_mb()
+#define smp_mb__after_clear_bit()	smp_mb()
 
 #ifdef CONFIG_SUPERH32
 static inline unsigned long ffz(unsigned long word)

arch/sh/include/asm/bugs.h

@@ -14,11 +14,15 @@
 
 #include <asm/processor.h>
 
+extern void select_idle_routine(void);
+
 static void __init check_bugs(void)
 {
 	extern unsigned long loops_per_jiffy;
 	char *p = &init_utsname()->machine[2]; /* "sh" */
 
+	select_idle_routine();
+
 	current_cpu_data.loops_per_jiffy = loops_per_jiffy;
 
 	switch (current_cpu_data.family) {

arch/sh/include/asm/dma-mapping.h

 #ifndef __ASM_SH_DMA_MAPPING_H
 #define __ASM_SH_DMA_MAPPING_H
 
-#include <linux/mm.h>
-#include <linux/scatterlist.h>
-#include <linux/dma-debug.h>
-#include <asm/cacheflush.h>
-#include <asm/io.h>
+extern struct dma_map_ops *dma_ops;
+extern void no_iommu_init(void);
+
+static inline struct dma_map_ops *get_dma_ops(struct device *dev)
+{
+	return dma_ops;
+}
+
 #include <asm-generic/dma-coherent.h>
+#include <asm-generic/dma-mapping-common.h>
+
+static inline int dma_supported(struct device *dev, u64 mask)
+{
+	struct dma_map_ops *ops = get_dma_ops(dev);
 
-extern struct bus_type pci_bus_type;
+	if (ops->dma_supported)
+		return ops->dma_supported(dev, mask);
 
-#define dma_supported(dev, mask)	(1)
+	return 1;
+}
 
 static inline int dma_set_mask(struct device *dev, u64 mask)
 {
+	struct dma_map_ops *ops = get_dma_ops(dev);
+
 	if (!dev->dma_mask || !dma_supported(dev, mask))
 		return -EIO;
+	if (ops->set_dma_mask)
+		return ops->set_dma_mask(dev, mask);
 
 	*dev->dma_mask = mask;
 
 	return 0;
 }
 
-void *dma_alloc_coherent(struct device *dev, size_t size,
-			 dma_addr_t *dma_handle, gfp_t flag);
-
-void dma_free_coherent(struct device *dev, size_t size,
-		       void *vaddr, dma_addr_t dma_handle);
-
 void dma_cache_sync(struct device *dev, void *vaddr, size_t size,
 		    enum dma_data_direction dir);
 
 #define dma_alloc_noncoherent(d, s, h, f) dma_alloc_coherent(d, s, h, f)
 #define dma_free_noncoherent(d, s, v, h) dma_free_coherent(d, s, v, h)
-#define dma_is_consistent(d, h) (1)
-
-static inline dma_addr_t dma_map_single(struct device *dev,
-					void *ptr, size_t size,
-					enum dma_data_direction dir)
-{
-	dma_addr_t addr = virt_to_phys(ptr);
-
-#if defined(CONFIG_PCI) && !defined(CONFIG_SH_PCIDMA_NONCOHERENT)
-	if (dev->bus == &pci_bus_type)
-		return addr;
-#endif
-	dma_cache_sync(dev, ptr, size, dir);
-
-	debug_dma_map_page(dev, virt_to_page(ptr),
-			   (unsigned long)ptr & ~PAGE_MASK, size,
-			   dir, addr, true);
 
-	return addr;
-}
-
-static inline void dma_unmap_single(struct device *dev, dma_addr_t addr,
-				    size_t size, enum dma_data_direction dir)
-{
-	debug_dma_unmap_page(dev, addr, size, dir, true);
-}
-
-static inline int dma_map_sg(struct device *dev, struct scatterlist *sg,
-			     int nents, enum dma_data_direction dir)
-{
-	int i;
-
-	for (i = 0; i < nents; i++) {
-#if !defined(CONFIG_PCI) || defined(CONFIG_SH_PCIDMA_NONCOHERENT)
-		dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir);
+#ifdef CONFIG_DMA_COHERENT
+#define dma_is_consistent(d, h) (1)
+#else
+#define dma_is_consistent(d, h) (0)
 #endif
-		sg[i].dma_address = sg_phys(&sg[i]);
-		sg[i].dma_length = sg[i].length;
-	}
 
-	debug_dma_map_sg(dev, sg, nents, i, dir);
-
-	return nents;
-}
-
-static inline void dma_unmap_sg(struct device *dev, struct scatterlist *sg,
-				int nents, enum dma_data_direction dir)
-{
-	debug_dma_unmap_sg(dev, sg, nents, dir);
-}
-
-static inline dma_addr_t dma_map_page(struct device *dev, struct page *page,
-				      unsigned long offset, size_t size,
-				      enum dma_data_direction dir)
-{
-	return dma_map_single(dev, page_address(page) + offset, size, dir);
-}
-
-static inline void dma_unmap_page(struct device *dev, dma_addr_t dma_address,
-				  size_t size, enum dma_data_direction dir)
-{
-	dma_unmap_single(dev, dma_address, size, dir);
-}
-
-static inline void __dma_sync_single(struct device *dev, dma_addr_t dma_handle,
-				   size_t size, enum dma_data_direction dir)
+static inline int dma_get_cache_alignment(void)
 {
-#if defined(CONFIG_PCI) && !defined(CONFIG_SH_PCIDMA_NONCOHERENT)
-	if (dev->bus == &pci_bus_type)
-		return;
-#endif
-	dma_cache_sync(dev, phys_to_virt(dma_handle), size, dir);
+	/*
+	 * Each processor family will define its own L1_CACHE_SHIFT,
+	 * L1_CACHE_BYTES wraps to this, so this is always safe.
+	 */
+	return L1_CACHE_BYTES;
 }
 
-static inline void dma_sync_single_range(struct device *dev,
-					 dma_addr_t dma_handle,
-					 unsigned long offset, size_t size,
-					 enum dma_data_direction dir)
+static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
 {
-#if defined(CONFIG_PCI) && !defined(CONFIG_SH_PCIDMA_NONCOHERENT)
-	if (dev->bus == &pci_bus_type)
-		return;
-#endif
-	dma_cache_sync(dev, phys_to_virt(dma_handle) + offset, size, dir);
-}
+	struct dma_map_ops *ops = get_dma_ops(dev);
 
-static inline void __dma_sync_sg(struct device *dev, struct scatterlist *sg,
-			       int nelems, enum dma_data_direction dir)
-{
-	int i;
+	if (ops->mapping_error)
+		return ops->mapping_error(dev, dma_addr);
 
-	for (i = 0; i < nelems; i++) {
-#if !defined(CONFIG_PCI) || defined(CONFIG_SH_PCIDMA_NONCOHERENT)
-		dma_cache_sync(dev, sg_virt(&sg[i]), sg[i].length, dir);
-#endif
-		sg[i].dma_address = sg_phys(&sg[i]);
-		sg[i].dma_length = sg[i].length;
-	}
+	return dma_addr == 0;
 }
 
-static inline void dma_sync_single_for_cpu(struct device *dev,
-					   dma_addr_t dma_handle, size_t size,
-					   enum dma_data_direction dir)
+static inline void *dma_alloc_coherent(struct device *dev, size_t size,
+				       dma_addr_t *dma_handle, gfp_t gfp)
 {
-	__dma_sync_single(dev, dma_handle, size, dir);
-	debug_dma_sync_single_for_cpu(dev, dma_handle, size, dir);
-}
+	struct dma_map_ops *ops = get_dma_ops(dev);
+	void *memory;
 
-static inline void dma_sync_single_for_device(struct device *dev,
-					      dma_addr_t dma_handle,
-					      size_t size,
-					      enum dma_data_direction dir)
-{
-	__dma_sync_single(dev, dma_handle, size, dir);
-	debug_dma_sync_single_for_device(dev, dma_handle, size, dir);
-}
+	if (dma_alloc_from_coherent(dev, size, dma_handle, &memory))
+		return memory;
+	if (!ops->alloc_coherent)
+		return NULL;
 
-static inline void dma_sync_single_range_for_cpu(struct device *dev,
-						 dma_addr_t dma_handle,
-						 unsigned long offset,
-						 size_t size,
-						 enum dma_data_direction direction)
-{
-	dma_sync_single_for_cpu(dev, dma_handle+offset, size, direction);
-	debug_dma_sync_single_range_for_cpu(dev, dma_handle,
-					    offset, size, direction);
-}
+	memory = ops->alloc_coherent(dev, size, dma_handle, gfp);
+	debug_dma_alloc_coherent(dev, size, *dma_handle, memory);
 
-static inline void dma_sync_single_range_for_device(struct device *dev,
-						    dma_addr_t dma_handle,
-						    unsigned long offset,
-						    size_t size,
-						    enum dma_data_direction direction)
-{
-	dma_sync_single_for_device(dev, dma_handle+offset, size, direction);
-	debug_dma_sync_single_range_for_device(dev, dma_handle,
-					       offset, size, direction);
+	return memory;
 }
 
-
-static inline void dma_sync_sg_for_cpu(struct device *dev,
-				       struct scatterlist *sg, int nelems,
-				       enum dma_data_direction dir)
+static inline void dma_free_coherent(struct device *dev, size_t size,
+				     void *vaddr, dma_addr_t dma_handle)
 {
-	__dma_sync_sg(dev, sg, nelems, dir);
-	debug_dma_sync_sg_for_cpu(dev, sg, nelems, dir);
-}
+	struct dma_map_ops *ops = get_dma_ops(dev);
 
-static inline void dma_sync_sg_for_device(struct device *dev,
-					  struct scatterlist *sg, int nelems,
-					  enum dma_data_direction dir)
-{
-	__dma_sync_sg(dev, sg, nelems, dir);
-	debug_dma_sync_sg_for_device(dev, sg, nelems, dir);
-}
+	WARN_ON(irqs_disabled());	/* for portability */
 
-static inline int dma_get_cache_alignment(void)
-{
-	/*
-	 * Each processor family will define its own L1_CACHE_SHIFT,
-	 * L1_CACHE_BYTES wraps to this, so this is always safe.
-	 */
-	return L1_CACHE_BYTES;
-}
+	if (dma_release_from_coherent(dev, get_order(size), vaddr))
+		return;
 
-static inline int dma_mapping_error(struct device *dev, dma_addr_t dma_addr)
-{
-	return dma_addr == 0;
+	debug_dma_free_coherent(dev, size, vaddr, dma_handle);
+	if (ops->free_coherent)
+		ops->free_coherent(dev, size, vaddr, dma_handle);
 }
 
-#define ARCH_HAS_DMA_DECLARE_COHERENT_MEMORY
-
-extern int
-dma_declare_coherent_memory(struct device *dev, dma_addr_t bus_addr,
-			    dma_addr_t device_addr, size_t size, int flags);
-
-extern void
-dma_release_declared_memory(struct device *dev);
-
-extern void *
-dma_mark_declared_memory_occupied(struct device *dev,
-				  dma_addr_t device_addr, size_t size);
+/* arch/sh/mm/consistent.c */
+extern void *dma_generic_alloc_coherent(struct device *dev, size_t size,
+					dma_addr_t *dma_addr, gfp_t flag);
+extern void dma_generic_free_coherent(struct device *dev, size_t size,
+				      void *vaddr, dma_addr_t dma_handle);
 
 #endif /* __ASM_SH_DMA_MAPPING_H */

arch/sh/include/asm/dwarf.h

@@ -194,6 +194,12 @@
 #define DWARF_ARCH_RA_REG	17
 
 #ifndef __ASSEMBLY__
+
+#include <linux/compiler.h>
+#include <linux/bug.h>
+#include <linux/list.h>
+#include <linux/module.h>
+
 /*
  * Read either the frame pointer (r14) or the stack pointer (r15).
  * NOTE: this MUST be inlined.
@@ -241,6 +247,12 @@ struct dwarf_cie {
 
 	unsigned long flags;
 #define DWARF_CIE_Z_AUGMENTATION	(1 << 0)
+
+	/*
+	 * 'mod' will be non-NULL if this CIE came from a module's
+	 * .eh_frame section.
+	 */
+	struct module *mod;
 };
 
 /**
@@ -255,6 +267,12 @@ struct dwarf_fde {
 	unsigned char *instructions;
 	unsigned char *end;
 	struct list_head link;
+
+	/*
+	 * 'mod' will be non-NULL if this FDE came from a module's
+	 * .eh_frame section.
+	 */
+	struct module *mod;
 };
 
 /**
@@ -364,6 +382,12 @@ static inline unsigned int DW_CFA_operand(unsigned long insn)
 
 extern struct dwarf_frame *dwarf_unwind_stack(unsigned long,
 					      struct dwarf_frame *);
+extern void dwarf_free_frame(struct dwarf_frame *);
+
+extern int module_dwarf_finalize(const Elf_Ehdr *, const Elf_Shdr *,
+				 struct module *);
+extern void module_dwarf_cleanup(struct module *);
+
 #endif /* !__ASSEMBLY__ */
 
 #define CFI_STARTPROC	.cfi_startproc
@@ -391,6 +415,10 @@ extern struct dwarf_frame *dwarf_unwind_stack(unsigned long,
 static inline void dwarf_unwinder_init(void)
 {
 }
+
+#define module_dwarf_finalize(hdr, sechdrs, me)	(0)
+#define module_dwarf_cleanup(mod)		do { } while (0)
+
 #endif
 
 #endif /* CONFIG_DWARF_UNWINDER */

arch/sh/include/asm/fixmap.h

@@ -14,9 +14,9 @@
 #define _ASM_FIXMAP_H
 
 #include <linux/kernel.h>
+#include <linux/threads.h>
 #include <asm/page.h>
 #ifdef CONFIG_HIGHMEM
-#include <linux/threads.h>
 #include <asm/kmap_types.h>
 #endif
 
@@ -46,9 +46,15 @@
  * fix-mapped?
  */
 enum fixed_addresses {
-#define FIX_N_COLOURS 16
+	/*
+	 * The FIX_CMAP entries are used by kmap_coherent() to get virtual
+	 * addresses which are of a known color, and so their values are
+	 * important. __fix_to_virt(FIX_CMAP_END - n) must give an address
+	 * which is the same color as a page (n<<PAGE_SHIFT).
+	 */
+#define FIX_N_COLOURS 8
 	FIX_CMAP_BEGIN,
-	FIX_CMAP_END = FIX_CMAP_BEGIN + FIX_N_COLOURS,
+	FIX_CMAP_END = FIX_CMAP_BEGIN + (FIX_N_COLOURS * NR_CPUS) - 1,
 	FIX_UNCACHED,
 #ifdef CONFIG_HIGHMEM
 	FIX_KMAP_BEGIN,	/* reserved pte's for temporary kernel mappings */

arch/sh/include/asm/fpu.h

@@ -18,16 +18,15 @@ static inline void grab_fpu(struct pt_regs *regs)
 
 struct task_struct;
 
-extern void save_fpu(struct task_struct *__tsk, struct pt_regs *regs);
+extern void save_fpu(struct task_struct *__tsk);
+void fpu_state_restore(struct pt_regs *regs);
 #else
 
+#define save_fpu(tsk)		do { } while (0)
 #define release_fpu(regs)	do { } while (0)
 #define grab_fpu(regs)		do { } while (0)
+#define fpu_state_restore(regs)	do { } while (0)
 
-static inline void save_fpu(struct task_struct *tsk, struct pt_regs *regs)
-{
-	clear_tsk_thread_flag(tsk, TIF_USEDFPU);
-}
 #endif
 
 struct user_regset;
@@ -39,19 +38,28 @@ extern int fpregs_get(struct task_struct *target,
 		      unsigned int pos, unsigned int count,
 		      void *kbuf, void __user *ubuf);
 
+static inline void __unlazy_fpu(struct task_struct *tsk, struct pt_regs *regs)
+{
+	if (task_thread_info(tsk)->status & TS_USEDFPU) {
+		task_thread_info(tsk)->status &= ~TS_USEDFPU;
+		save_fpu(tsk);
+		release_fpu(regs);
+	} else
+		tsk->fpu_counter = 0;
+}
+
 static inline void unlazy_fpu(struct task_struct *tsk, struct pt_regs *regs)
 {
 	preempt_disable();
-	if (test_tsk_thread_flag(tsk, TIF_USEDFPU))
-		save_fpu(tsk, regs);
+	__unlazy_fpu(tsk, regs);
 	preempt_enable();
 }
 
 static inline void clear_fpu(struct task_struct *tsk, struct pt_regs *regs)
 {
 	preempt_disable();
-	if (test_tsk_thread_flag(tsk, TIF_USEDFPU)) {
-		clear_tsk_thread_flag(tsk, TIF_USEDFPU);
+	if (task_thread_info(tsk)->status & TS_USEDFPU) {
+		task_thread_info(tsk)->status &= ~TS_USEDFPU;
 		release_fpu(regs);
 	}
 	preempt_enable();

arch/sh/include/asm/ftrace.h

@@ -35,4 +35,21 @@ static inline unsigned long ftrace_call_adjust(unsigned long addr)
 #endif /* __ASSEMBLY__ */
 #endif /* CONFIG_FUNCTION_TRACER */
 
+#ifndef __ASSEMBLY__
+
+/* arch/sh/kernel/return_address.c */
+extern void *return_address(unsigned int);
+
+#define HAVE_ARCH_CALLER_ADDR
+
+#define CALLER_ADDR0 ((unsigned long)__builtin_return_address(0))
+#define CALLER_ADDR1 ((unsigned long)return_address(1))
+#define CALLER_ADDR2 ((unsigned long)return_address(2))
+#define CALLER_ADDR3 ((unsigned long)return_address(3))
+#define CALLER_ADDR4 ((unsigned long)return_address(4))
+#define CALLER_ADDR5 ((unsigned long)return_address(5))
+#define CALLER_ADDR6 ((unsigned long)return_address(6))
+
+#endif /* __ASSEMBLY__ */
+
 #endif /* __ASM_SH_FTRACE_H */

arch/sh/include/asm/gpio.h

@@ -20,7 +20,7 @@
 #endif
 
 #define ARCH_NR_GPIOS 512
-#include <asm-generic/gpio.h>
+#include <linux/sh_pfc.h>
 
 #ifdef CONFIG_GPIOLIB
 
@@ -53,84 +53,4 @@ static inline int irq_to_gpio(unsigned int irq)
 
 #endif /* CONFIG_GPIOLIB */
 
-typedef unsigned short pinmux_enum_t;
-typedef unsigned short pinmux_flag_t;
-
-#define PINMUX_TYPE_NONE            0
-#define PINMUX_TYPE_FUNCTION        1
-#define PINMUX_TYPE_GPIO            2
-#define PINMUX_TYPE_OUTPUT          3
-#define PINMUX_TYPE_INPUT           4
-#define PINMUX_TYPE_INPUT_PULLUP    5
-#define PINMUX_TYPE_INPUT_PULLDOWN  6
-
-#define PINMUX_FLAG_TYPE            (0x7)
-#define PINMUX_FLAG_WANT_PULLUP     (1 << 3)
-#define PINMUX_FLAG_WANT_PULLDOWN   (1 << 4)
-
-#define PINMUX_FLAG_DBIT_SHIFT      5
-#define PINMUX_FLAG_DBIT            (0x1f << PINMUX_FLAG_DBIT_SHIFT)
-#define PINMUX_FLAG_DREG_SHIFT      10
-#define PINMUX_FLAG_DREG            (0x3f << PINMUX_FLAG_DREG_SHIFT)
-
-struct pinmux_gpio {
-	pinmux_enum_t enum_id;
-	pinmux_flag_t flags;
-};
-
-#define PINMUX_GPIO(gpio, data_or_mark) [gpio] = { data_or_mark }
-#define PINMUX_DATA(data_or_mark, ids...) data_or_mark, ids, 0
-
-struct pinmux_cfg_reg {
-	unsigned long reg, reg_width, field_width;
-	unsigned long *cnt;
-	pinmux_enum_t *enum_ids;
-};
-
-#define PINMUX_CFG_REG(name, r, r_width, f_width) \
-	.reg = r, .reg_width = r_width, .field_width = f_width,		\
-	.cnt = (unsigned long [r_width / f_width]) {}, \
-	.enum_ids = (pinmux_enum_t [(r_width / f_width) * (1 << f_width)]) \
-
-struct pinmux_data_reg {
-	unsigned long reg, reg_width, reg_shadow;
-	pinmux_enum_t *enum_ids;
-};
-
-#define PINMUX_DATA_REG(name, r, r_width) \
-	.reg = r, .reg_width = r_width,	\
-	.enum_ids = (pinmux_enum_t [r_width]) \
-
-struct pinmux_range {
-	pinmux_enum_t begin;
-	pinmux_enum_t end;
-	pinmux_enum_t force;
-};
-
-struct pinmux_info {
-	char *name;
-	pinmux_enum_t reserved_id;
-	struct pinmux_range data;
-	struct pinmux_range input;
-	struct pinmux_range input_pd;
-	struct pinmux_range input_pu;
-	struct pinmux_range output;
-	struct pinmux_range mark;
-	struct pinmux_range function;
-
-	unsigned first_gpio, last_gpio;
-
-	struct pinmux_gpio *gpios;
-	struct pinmux_cfg_reg *cfg_regs;
-	struct pinmux_data_reg *data_regs;
-
-	pinmux_enum_t *gpio_data;
-	unsigned int gpio_data_size;
-
-	unsigned long *gpio_in_use;
-	struct gpio_chip chip;
-};
-
-int register_pinmux(struct pinmux_info *pip);
-
 #endif /* __ASM_SH_GPIO_H */

arch/sh/include/asm/hardirq.h

 #ifndef __ASM_SH_HARDIRQ_H
 #define __ASM_SH_HARDIRQ_H
 
-extern void ack_bad_irq(unsigned int irq);
-#define ack_bad_irq ack_bad_irq
+#include <linux/threads.h>
+#include <linux/irq.h>
+
+typedef struct {
+	unsigned int __softirq_pending;
+	unsigned int __nmi_count;		/* arch dependent */
+} ____cacheline_aligned irq_cpustat_t;
 
-#include <asm-generic/hardirq.h>
+#include <linux/irq_cpustat.h>	/* Standard mappings for irq_cpustat_t above */
+
+extern void ack_bad_irq(unsigned int irq);
 
 #endif /* __ASM_SH_HARDIRQ_H */

arch/sh/include/asm/io.h

@@ -90,15 +90,11 @@
 #define ctrl_outl		__raw_writel
 #define ctrl_outq		__raw_writeq
 
+extern unsigned long generic_io_base;
+
 static inline void ctrl_delay(void)
 {
-#ifdef CONFIG_CPU_SH4
-	__raw_readw(CCN_PVR);
-#elif defined(P2SEG)
-	__raw_readw(P2SEG);
-#else
-#error "Need a dummy address for delay"
-#endif
+	__raw_readw(generic_io_base);
 }
 
 #define __BUILD_MEMORY_STRING(bwlq, type)				\
@@ -186,8 +182,6 @@ __BUILD_MEMORY_STRING(q, u64)
 
 #define IO_SPACE_LIMIT 0xffffffff
 
-extern unsigned long generic_io_base;
-
 /*
  * This function provides a method for the generic case where a
  * board-specific ioport_map simply needs to return the port + some
@@ -246,7 +240,7 @@ void __iounmap(void __iomem *addr);
 static inline void __iomem *
 __ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags)
 {
-#if defined(CONFIG_SUPERH32) && !defined(CONFIG_PMB_FIXED)
+#if defined(CONFIG_SUPERH32) && !defined(CONFIG_PMB_FIXED) && !defined(CONFIG_PMB)
 	unsigned long last_addr = offset + size - 1;
 #endif
 	void __iomem *ret;
@@ -255,7 +249,7 @@ __ioremap_mode(unsigned long offset, unsigned long size, unsigned long flags)
 	if (ret)
 		return ret;
 
-#if defined(CONFIG_SUPERH32) && !defined(CONFIG_PMB_FIXED)
+#if defined(CONFIG_SUPERH32) && !defined(CONFIG_PMB_FIXED) && !defined(CONFIG_PMB)
 	/*
 	 * For P1 and P2 space this is trivial, as everything is already
 	 * mapped. Uncached access for P1 addresses are done through P2.

arch/sh/include/asm/irqflags.h

 #ifndef __ASM_SH_IRQFLAGS_H
 #define __ASM_SH_IRQFLAGS_H
 
-#ifdef CONFIG_SUPERH32
-#include "irqflags_32.h"
-#else
-#include "irqflags_64.h"
-#endif
+#define RAW_IRQ_DISABLED	0xf0
+#define RAW_IRQ_ENABLED		0x00
 
-#define raw_local_save_flags(flags) \
-		do { (flags) = __raw_local_save_flags(); } while (0)
-
-static inline int raw_irqs_disabled_flags(unsigned long flags)
-{
-	return (flags != 0);
-}
-
-static inline int raw_irqs_disabled(void)
-{
-	unsigned long flags = __raw_local_save_flags();
-
-	return raw_irqs_disabled_flags(flags);
-}
-
-#define raw_local_irq_save(flags) \
-		do { (flags) = __raw_local_irq_save(); } while (0)
-
-static inline void raw_local_irq_restore(unsigned long flags)
-{
-	if ((flags & 0xf0) != 0xf0)
-		raw_local_irq_enable();
-}
+#include <asm-generic/irqflags.h>
 
 #endif /* __ASM_SH_IRQFLAGS_H */

arch/sh/include/asm/irqflags_32.h

-#ifndef __ASM_SH_IRQFLAGS_32_H
-#define __ASM_SH_IRQFLAGS_32_H
-
-static inline void raw_local_irq_enable(void)
-{
-	unsigned long __dummy0, __dummy1;
-
-	__asm__ __volatile__ (
-		"stc	sr, %0\n\t"
-		"and	%1, %0\n\t"
-#ifdef CONFIG_CPU_HAS_SR_RB
-		"stc	r6_bank, %1\n\t"
-		"or	%1, %0\n\t"
-#endif
-		"ldc	%0, sr\n\t"
-		: "=&r" (__dummy0), "=r" (__dummy1)
-		: "1" (~0x000000f0)
-		: "memory"
-	);
-}
-
-static inline void raw_local_irq_disable(void)
-{
-	unsigned long flags;
-
-	__asm__ __volatile__ (
-		"stc	sr, %0\n\t"
-		"or	#0xf0, %0\n\t"
-		"ldc	%0, sr\n\t"
-		: "=&z" (flags)
-		: /* no inputs */
-		: "memory"
-	);
-}
-
-static inline void set_bl_bit(void)
-{
-	unsigned long __dummy0, __dummy1;
-
-	__asm__ __volatile__ (
-		"stc	sr, %0\n\t"
-		"or	%2, %0\n\t"
-		"and	%3, %0\n\t"
-		"ldc	%0, sr\n\t"
-		: "=&r" (__dummy0), "=r" (__dummy1)
-		: "r" (0x10000000), "r" (0xffffff0f)
-		: "memory"
-	);
-}
-
-static inline void clear_bl_bit(void)
-{
-	unsigned long __dummy0, __dummy1;
-
-	__asm__ __volatile__ (
-		"stc	sr, %0\n\t"
-		"and	%2, %0\n\t"
-		"ldc	%0, sr\n\t"
-		: "=&r" (__dummy0), "=r" (__dummy1)
-		: "1" (~0x10000000)
-		: "memory"
-	);
-}
-
-static inline unsigned long __raw_local_save_flags(void)
-{
-	unsigned long flags;
-
-	__asm__ __volatile__ (
-		"stc	sr, %0\n\t"
-		"and	#0xf0, %0\n\t"
-		: "=&z" (flags)
-		: /* no inputs */
-		: "memory"
-	);
-
-	return flags;
-}
-
-static inline unsigned long __raw_local_irq_save(void)
-{
-	unsigned long flags, __dummy;
-
-	__asm__ __volatile__ (
-		"stc	sr, %1\n\t"
-		"mov	%1, %0\n\t"
-		"or	#0xf0, %0\n\t"
-		"ldc	%0, sr\n\t"
-		"mov	%1, %0\n\t"
-		"and	#0xf0, %0\n\t"
-		: "=&z" (flags), "=&r" (__dummy)
-		: /* no inputs */
-		: "memory"
-	);
-
-	return flags;
-}
-
-#endif /* __ASM_SH_IRQFLAGS_32_H */

arch/sh/include/asm/irqflags_64.h

-#ifndef __ASM_SH_IRQFLAGS_64_H
-#define __ASM_SH_IRQFLAGS_64_H
-
-#include <cpu/registers.h>
-
-#define SR_MASK_LL	0x00000000000000f0LL
-#define SR_BL_LL	0x0000000010000000LL
-
-static inline void raw_local_irq_enable(void)
-{
-	unsigned long long __dummy0, __dummy1 = ~SR_MASK_LL;
-
-	__asm__ __volatile__("getcon	" __SR ", %0\n\t"
-			     "and	%0, %1, %0\n\t"
-			     "putcon	%0, " __SR "\n\t"
-			     : "=&r" (__dummy0)
-			     : "r" (__dummy1));
-}
-
-static inline void raw_local_irq_disable(void)
-{
-	unsigned long long __dummy0, __dummy1 = SR_MASK_LL;
-
-	__asm__ __volatile__("getcon	" __SR ", %0\n\t"
-			     "or	%0, %1, %0\n\t"
-			     "putcon	%0, " __SR "\n\t"
-			     : "=&r" (__dummy0)
-			     : "r" (__dummy1));
-}
-
-static inline void set_bl_bit(void)
-{
-	unsigned long long __dummy0, __dummy1 = SR_BL_LL;
-
-	__asm__ __volatile__("getcon	" __SR ", %0\n\t"
-			     "or	%0, %1, %0\n\t"
-			     "putcon	%0, " __SR "\n\t"
-			     : "=&r" (__dummy0)
-			     : "r" (__dummy1));
-
-}
-
-static inline void clear_bl_bit(void)
-{
-	unsigned long long __dummy0, __dummy1 = ~SR_BL_LL;
-
-	__asm__ __volatile__("getcon	" __SR ", %0\n\t"
-			     "and	%0, %1, %0\n\t"
-			     "putcon	%0, " __SR "\n\t"
-			     : "=&r" (__dummy0)
-			     : "r" (__dummy1));
-}
-
-static inline unsigned long __raw_local_save_flags(void)
-{
-	unsigned long long __dummy = SR_MASK_LL;
-	unsigned long flags;
-
-	__asm__ __volatile__ (
-		"getcon	" __SR ", %0\n\t"
-		"and	%0, %1, %0"
-		: "=&r" (flags)
-		: "r" (__dummy));
-
-	return flags;
-}
-
-static inline unsigned long __raw_local_irq_save(void)
-{
-	unsigned long long __dummy0, __dummy1 = SR_MASK_LL;
-	unsigned long flags;
-
-	__asm__ __volatile__ (
-		"getcon	" __SR ", %1\n\t"
-		"or	%1, r63, %0\n\t"
-		"or	%1, %2, %1\n\t"
-		"putcon	%1, " __SR "\n\t"
-		"and	%0, %2, %0"
-		: "=&r" (flags), "=&r" (__dummy0)
-		: "r" (__dummy1));
-
-	return flags;
-}
-
-#endif /* __ASM_SH_IRQFLAGS_64_H */

arch/sh/include/asm/mmu.h

@@ -7,12 +7,16 @@
 #define PMB_PASCR		0xff000070
 #define PMB_IRMCR		0xff000078
 
+#define PASCR_SE		0x80000000
+
 #define PMB_ADDR		0xf6100000
 #define PMB_DATA		0xf7100000
 #define PMB_ENTRY_MAX		16
 #define PMB_E_MASK		0x0000000f
 #define PMB_E_SHIFT		8
 
+#define PMB_PFN_MASK		0xff000000
+
 #define PMB_SZ_16M		0x00000000
 #define PMB_SZ_64M		0x00000010
 #define PMB_SZ_128M		0x00000080
@@ -62,17 +66,10 @@ struct pmb_entry {
 };
 
 /* arch/sh/mm/pmb.c */
-int __set_pmb_entry(unsigned long vpn, unsigned long ppn,
-		    unsigned long flags, int *entry);
-int set_pmb_entry(struct pmb_entry *pmbe);
-void clear_pmb_entry(struct pmb_entry *pmbe);
-struct pmb_entry *pmb_alloc(unsigned long vpn, unsigned long ppn,
-			    unsigned long flags);
-void pmb_free(struct pmb_entry *pmbe);
 long pmb_remap(unsigned long virt, unsigned long phys,
 	       unsigned long size, unsigned long flags);
 void pmb_unmap(unsigned long addr);
+int pmb_init(void);
 #endif /* __ASSEMBLY__ */
 
 #endif /* __MMU_H */
-

arch/sh/include/asm/pci.h

@@ -3,8 +3,6 @@
 
 #ifdef __KERNEL__
 
-#include <linux/dma-mapping.h>
-
 /* Can be used to override the logic in pci_scan_bus for skipping
    already-configured bus numbers - to be used for buggy BIOSes
    or architectures with incomplete PCI setup by the loader */
@@ -54,30 +52,18 @@ static inline void pcibios_penalize_isa_irq(int irq, int active)
  * address space.  The networking and block device layers use
  * this boolean for bounce buffer decisions.
  */
-#define PCI_DMA_BUS_IS_PHYS	(1)
-
-#include <linux/types.h>
-#include <linux/slab.h>
-#include <asm/scatterlist.h>
-#include <linux/string.h>
-#include <asm/io.h>
+#define PCI_DMA_BUS_IS_PHYS	(dma_ops->is_phys)
 
 /* pci_unmap_{single,page} being a nop depends upon the
  * configuration.
  */
-#ifdef CONFIG_SH_PCIDMA_NONCOHERENT
-#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)	\
-	dma_addr_t ADDR_NAME;
-#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)		\
-	__u32 LEN_NAME;
-#define pci_unmap_addr(PTR, ADDR_NAME)			\
-	((PTR)->ADDR_NAME)
-#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)		\
-	(((PTR)->ADDR_NAME) = (VAL))
-#define pci_unmap_len(PTR, LEN_NAME)			\
-	((PTR)->LEN_NAME)
-#define pci_unmap_len_set(PTR, LEN_NAME, VAL)		\
-	(((PTR)->LEN_NAME) = (VAL))
+#ifdef CONFIG_DMA_NONCOHERENT
+#define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)	dma_addr_t ADDR_NAME;
+#define DECLARE_PCI_UNMAP_LEN(LEN_NAME)		__u32 LEN_NAME;
+#define pci_unmap_addr(PTR, ADDR_NAME)		((PTR)->ADDR_NAME)
+#define pci_unmap_addr_set(PTR, ADDR_NAME, VAL)	(((PTR)->ADDR_NAME) = (VAL))
+#define pci_unmap_len(PTR, LEN_NAME)		((PTR)->LEN_NAME)
+#define pci_unmap_len_set(PTR, LEN_NAME, VAL)	(((PTR)->LEN_NAME) = (VAL))
 #else
 #define DECLARE_PCI_UNMAP_ADDR(ADDR_NAME)
 #define DECLARE_PCI_UNMAP_LEN(LEN_NAME)

arch/sh/include/asm/perf_event.h

 #ifndef __ASM_SH_PERF_EVENT_H
 #define __ASM_SH_PERF_EVENT_H
 
-/* SH only supports software events through this interface. */
-static inline void set_perf_event_pending(void) {}
+struct hw_perf_event;
+
+#define MAX_HWEVENTS	2
+
+struct sh_pmu {
+	const char	*name;
+	unsigned int	num_events;
+	void		(*disable_all)(void);
+	void		(*enable_all)(void);
+	void		(*enable)(struct hw_perf_event *, int);
+	void		(*disable)(struct hw_perf_event *, int);
+	u64		(*read)(int);
+	int		(*event_map)(int);
+	unsigned int	max_events;
+	unsigned long	raw_event_mask;
+	const int	(*cache_events)[PERF_COUNT_HW_CACHE_MAX]
+				       [PERF_COUNT_HW_CACHE_OP_MAX]
+				       [PERF_COUNT_HW_CACHE_RESULT_MAX];
+};
+
+/* arch/sh/kernel/perf_event.c */
+extern int register_sh_pmu(struct sh_pmu *);
+extern int reserve_pmc_hardware(void);
+extern void release_pmc_hardware(void);
+
+static inline void set_perf_event_pending(void)
+{
+	/* Nothing to see here, move along. */
+}
 
 #define PERF_EVENT_INDEX_OFFSET	0
 

arch/sh/include/asm/pgtable.h

@@ -75,13 +75,31 @@ static inline unsigned long long neff_sign_extend(unsigned long val)
 #define USER_PTRS_PER_PGD	(TASK_SIZE/PGDIR_SIZE)
 #define FIRST_USER_ADDRESS	0
 
-#ifdef CONFIG_32BIT
-#define PHYS_ADDR_MASK		0xffffffff
+#define PHYS_ADDR_MASK29		0x1fffffff
+#define PHYS_ADDR_MASK32		0xffffffff
+
+#ifdef CONFIG_PMB
+static inline unsigned long phys_addr_mask(void)
+{
+	/* Is the MMU in 29bit mode? */
+	if (__in_29bit_mode())
+		return PHYS_ADDR_MASK29;
+
+	return PHYS_ADDR_MASK32;
+}
+#elif defined(CONFIG_32BIT)
+static inline unsigned long phys_addr_mask(void)
+{
+	return PHYS_ADDR_MASK32;
+}
 #else
-#define PHYS_ADDR_MASK		0x1fffffff
+static inline unsigned long phys_addr_mask(void)
+{
+	return PHYS_ADDR_MASK29;
+}
 #endif
 
-#define PTE_PHYS_MASK		(PHYS_ADDR_MASK & PAGE_MASK)
+#define PTE_PHYS_MASK		(phys_addr_mask() & PAGE_MASK)
 #define PTE_FLAGS_MASK		(~(PTE_PHYS_MASK) << PAGE_SHIFT)
 
 #ifdef CONFIG_SUPERH32

arch/sh/include/asm/pgtable_32.h

@@ -108,7 +108,7 @@ static inline unsigned long copy_ptea_attributes(unsigned long x)
 #define _PAGE_CLEAR_FLAGS	(_PAGE_PROTNONE | _PAGE_ACCESSED | _PAGE_FILE)
 #endif
 
-#define _PAGE_FLAGS_HARDWARE_MASK	(PHYS_ADDR_MASK & ~(_PAGE_CLEAR_FLAGS))
+#define _PAGE_FLAGS_HARDWARE_MASK	(phys_addr_mask() & ~(_PAGE_CLEAR_FLAGS))
 
 /* Hardware flags, page size encoding */
 #if !defined(CONFIG_MMU)

arch/sh/include/asm/processor_32.h

@@ -56,6 +56,7 @@ asmlinkage void __init sh_cpu_init(void);
 #define SR_DSP		0x00001000
 #define SR_IMASK	0x000000f0
 #define SR_FD		0x00008000
+#define SR_MD		0x40000000
 
 /*
  * DSP structure and data
@@ -136,7 +137,7 @@ struct mm_struct;
 extern void release_thread(struct task_struct *);
 
 /* Prepare to copy thread state - unlazy all lazy status */
-#define prepare_to_copy(tsk)	do { } while (0)
+void prepare_to_copy(struct task_struct *tsk);
 
 /*
  * create a kernel thread without removing it from tasklists

arch/sh/include/asm/scatterlist.h

 #ifndef __ASM_SH_SCATTERLIST_H
 #define __ASM_SH_SCATTERLIST_H
 
-#define ISA_DMA_THRESHOLD	PHYS_ADDR_MASK
+#define ISA_DMA_THRESHOLD	phys_addr_mask()
 
 #include <asm-generic/scatterlist.h>
 

arch/sh/include/asm/suspend.h

@@ -2,6 +2,7 @@
 #define _ASM_SH_SUSPEND_H
 
 #ifndef __ASSEMBLY__
+#include <linux/notifier.h>
 static inline int arch_prepare_suspend(void) { return 0; }
 
 #include <asm/ptrace.h>
@@ -19,6 +20,69 @@ void sh_mobile_setup_cpuidle(void);
 static inline void sh_mobile_setup_cpuidle(void) {}
 #endif
 
+/* notifier chains for pre/post sleep hooks */
+extern struct atomic_notifier_head sh_mobile_pre_sleep_notifier_list;
+extern struct atomic_notifier_head sh_mobile_post_sleep_notifier_list;
+
+/* priority levels for notifiers */
+#define SH_MOBILE_SLEEP_BOARD	0
+#define SH_MOBILE_SLEEP_CPU	1
+#define SH_MOBILE_PRE(x)	(x)
+#define SH_MOBILE_POST(x)	(-(x))
+
+/* board code registration function for self-refresh assembly snippets */
+void sh_mobile_register_self_refresh(unsigned long flags,
+				     void *pre_start, void *pre_end,
+				     void *post_start, void *post_end);
+
+/* register structure for address/data information */
+struct sh_sleep_regs {
+	unsigned long stbcr;
+	unsigned long bar;
+
+	/* MMU */
+	unsigned long pteh;
+	unsigned long ptel;
+	unsigned long ttb;
+	unsigned long tea;
+	unsigned long mmucr;
+	unsigned long ptea;
+	unsigned long pascr;
+	unsigned long irmcr;
+
+	/* Cache */
+	unsigned long ccr;
+	unsigned long ramcr;
+};
+
+/* data area for low-level sleep code */
+struct sh_sleep_data {
+	/* current sleep mode (SUSP_SH_...) */
+	unsigned long mode;
+
+	/* addresses of board specific self-refresh snippets */
+	unsigned long sf_pre;
+	unsigned long sf_post;
+
+	/* address of resume code */
+	unsigned long resume;
+
+	/* register state saved and restored by the assembly code */
+	unsigned long vbr;
+	unsigned long spc;
+	unsigned long sr;
+	unsigned long sp;
+
+	/* structure for keeping register addresses */
+	struct sh_sleep_regs addr;
+
+	/* structure for saving/restoring register state */
+	struct sh_sleep_regs data;
+};
+
+/* a bitmap of supported sleep modes (SUSP_SH..) */
+extern unsigned long sh_mobile_sleep_supported;
+
 #endif
 
 /* flags passed to assembly suspend code */
@@ -27,5 +91,6 @@ static inline void sh_mobile_setup_cpuidle(void) {}
 #define SUSP_SH_RSTANDBY	(1 << 2) /* SH-Mobile R-standby mode */
 #define SUSP_SH_USTANDBY	(1 << 3) /* SH-Mobile U-standby mode */
 #define SUSP_SH_SF		(1 << 4) /* Enable self-refresh */
+#define SUSP_SH_MMU		(1 << 5) /* Save/restore MMU and cache */
 
 #endif /* _ASM_SH_SUSPEND_H */

arch/sh/include/asm/system.h

@@ -171,10 +171,6 @@ BUILD_TRAP_HANDLER(fpu_error);
 BUILD_TRAP_HANDLER(fpu_state_restore);
 BUILD_TRAP_HANDLER(nmi);
 
-#ifdef CONFIG_BUG
-extern void handle_BUG(struct pt_regs *);
-#endif
-
 #define arch_align_stack(x) (x)
 
 struct mem_access {

arch/sh/include/asm/system_32.h

@@ -232,4 +232,33 @@ asmlinkage void do_exception_error(unsigned long r4, unsigned long r5,
 				   unsigned long r6, unsigned long r7,
 				   struct pt_regs __regs);
 
+static inline void set_bl_bit(void)
+{
+	unsigned long __dummy0, __dummy1;
+
+	__asm__ __volatile__ (
+		"stc	sr, %0\n\t"
+		"or	%2, %0\n\t"
+		"and	%3, %0\n\t"
+		"ldc	%0, sr\n\t"
+		: "=&r" (__dummy0), "=r" (__dummy1)
+		: "r" (0x10000000), "r" (0xffffff0f)
+		: "memory"
+	);
+}
+
+static inline void clear_bl_bit(void)
+{
+	unsigned long __dummy0, __dummy1;
+
+	__asm__ __volatile__ (
+		"stc	sr, %0\n\t"
+		"and	%2, %0\n\t"
+		"ldc	%0, sr\n\t"
+		: "=&r" (__dummy0), "=r" (__dummy1)
+		: "1" (~0x10000000)
+		: "memory"
+	);
+}
+
 #endif /* __ASM_SH_SYSTEM_32_H */

arch/sh/include/asm/system_64.h

@@ -12,6 +12,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  */
+#include <cpu/registers.h>
 #include <asm/processor.h>
 
 /*
@@ -47,4 +48,29 @@ static inline reg_size_t register_align(void *val)
 	return (unsigned long long)(signed long long)(signed long)val;
 }
 
+#define SR_BL_LL	0x0000000010000000LL
+
+static inline void set_bl_bit(void)
+{
+	unsigned long long __dummy0, __dummy1 = SR_BL_LL;
+
+	__asm__ __volatile__("getcon	" __SR ", %0\n\t"
+			     "or	%0, %1, %0\n\t"
+			     "putcon	%0, " __SR "\n\t"
+			     : "=&r" (__dummy0)
+			     : "r" (__dummy1));
+
+}
+
+static inline void clear_bl_bit(void)
+{
+	unsigned long long __dummy0, __dummy1 = ~SR_BL_LL;
+
+	__asm__ __volatile__("getcon	" __SR ", %0\n\t"
+			     "and	%0, %1, %0\n\t"
+			     "putcon	%0, " __SR "\n\t"
+			     : "=&r" (__dummy0)
+			     : "r" (__dummy1));
+}
+
 #endif /* __ASM_SH_SYSTEM_64_H */

arch/sh/include/asm/thread_info.h

@@ -19,6 +19,7 @@ struct thread_info {
 	struct task_struct	*task;		/* main task structure */
 	struct exec_domain	*exec_domain;	/* execution domain */
 	unsigned long		flags;		/* low level flags */
+	__u32			status;		/* thread synchronous flags */
 	__u32			cpu;
 	int			preempt_count; /* 0 => preemptable, <0 => BUG */
 	mm_segment_t		addr_limit;	/* thread address space */
@@ -50,6 +51,7 @@ struct thread_info {
 	.task		= &tsk,			\
 	.exec_domain	= &default_exec_domain,	\
 	.flags		= 0,			\
+	.status		= 0,			\
 	.cpu		= 0,			\
 	.preempt_count	= INIT_PREEMPT_COUNT,	\
 	.addr_limit	= KERNEL_DS,		\
@@ -111,13 +113,11 @@ extern void free_thread_info(struct thread_info *ti);
 #define TIF_SYSCALL_TRACE	0	/* syscall trace active */
 #define TIF_SIGPENDING		1	/* signal pending */
 #define TIF_NEED_RESCHED	2	/* rescheduling necessary */
-#define TIF_RESTORE_SIGMASK	3	/* restore signal mask in do_signal() */
 #define TIF_SINGLESTEP		4	/* singlestepping active */
 #define TIF_SYSCALL_AUDIT	5	/* syscall auditing active */
 #define TIF_SECCOMP		6	/* secure computing */
 #define TIF_NOTIFY_RESUME	7	/* callback before returning to user */
 #define TIF_SYSCALL_TRACEPOINT	8	/* for ftrace syscall instrumentation */
-#define TIF_USEDFPU		16	/* FPU was used by this task this quantum (SMP) */
 #define TIF_POLLING_NRFLAG	17	/* true if poll_idle() is polling TIF_NEED_RESCHED */
 #define TIF_MEMDIE		18
 #define TIF_FREEZE		19	/* Freezing for suspend */
@@ -125,13 +125,11 @@ extern void free_thread_info(struct thread_info *ti);
 #define _TIF_SYSCALL_TRACE	(1 << TIF_SYSCALL_TRACE)
 #define _TIF_SIGPENDING		(1 << TIF_SIGPENDING)
 #define _TIF_NEED_RESCHED	(1 << TIF_NEED_RESCHED)
-#define _TIF_RESTORE_SIGMASK	(1 << TIF_RESTORE_SIGMASK)
 #define _TIF_SINGLESTEP		(1 << TIF_SINGLESTEP)
 #define _TIF_SYSCALL_AUDIT	(1 << TIF_SYSCALL_AUDIT)
 #define _TIF_SECCOMP		(1 << TIF_SECCOMP)
 #define _TIF_NOTIFY_RESUME	(1 << TIF_NOTIFY_RESUME)
 #define _TIF_SYSCALL_TRACEPOINT	(1 << TIF_SYSCALL_TRACEPOINT)
-#define _TIF_USEDFPU		(1 << TIF_USEDFPU)
 #define _TIF_POLLING_NRFLAG	(1 << TIF_POLLING_NRFLAG)
 #define _TIF_FREEZE		(1 << TIF_FREEZE)
 
@@ -149,13 +147,33 @@ extern void free_thread_info(struct thread_info *ti);
 /* work to do on any return to u-space */
 #define _TIF_ALLWORK_MASK	(_TIF_SYSCALL_TRACE | _TIF_SIGPENDING      | \
 				 _TIF_NEED_RESCHED  | _TIF_SYSCALL_AUDIT   | \
-				 _TIF_SINGLESTEP    | _TIF_RESTORE_SIGMASK | \
-				 _TIF_NOTIFY_RESUME | _TIF_SYSCALL_TRACEPOINT)
+				 _TIF_SINGLESTEP    | _TIF_NOTIFY_RESUME   | \
+				 _TIF_SYSCALL_TRACEPOINT)
 
 /* work to do on interrupt/exception return */
 #define _TIF_WORK_MASK		(_TIF_ALLWORK_MASK & ~(_TIF_SYSCALL_TRACE | \
 				 _TIF_SYSCALL_AUDIT | _TIF_SINGLESTEP))
 
+/*
+ * Thread-synchronous status.
+ *
+ * This is different from the flags in that nobody else
+ * ever touches our thread-synchronous status, so we don't
+ * have to worry about atomic accesses.
+ */
+#define TS_RESTORE_SIGMASK	0x0001	/* restore signal mask in do_signal() */
+#define TS_USEDFPU		0x0002	/* FPU used by this task this quantum */
+
+#ifndef __ASSEMBLY__
+#define HAVE_SET_RESTORE_SIGMASK	1
+static inline void set_restore_sigmask(void)
+{
+	struct thread_info *ti = current_thread_info();
+	ti->status |= TS_RESTORE_SIGMASK;
+	set_bit(TIF_SIGPENDING, (unsigned long *)&ti->flags);
+}
+#endif	/* !__ASSEMBLY__ */
+
 #endif /* __KERNEL__ */
 
 #endif /* __ASM_SH_THREAD_INFO_H */

arch/sh/include/asm/topology.h

@@ -40,6 +40,14 @@
 
 #endif
 
+#define mc_capable()    (1)
+
+const struct cpumask *cpu_coregroup_mask(unsigned int cpu);
+
+extern cpumask_t cpu_core_map[NR_CPUS];
+
+#define topology_core_cpumask(cpu)	(&cpu_core_map[cpu])
+
 #include <asm-generic/topology.h>
 
 #endif /* _ASM_SH_TOPOLOGY_H */

arch/sh/include/asm/ubc.h

@@ -60,16 +60,5 @@
 #define BRCR_UBDE		(1 << 0)
 #endif
 
-#ifndef __ASSEMBLY__
-/* arch/sh/kernel/cpu/ubc.S */
-extern void ubc_sleep(void);
-
-#ifdef CONFIG_UBC_WAKEUP
-extern void ubc_wakeup(void);
-#else
-#define ubc_wakeup()	do { } while (0)
-#endif
-#endif
-
 #endif /* __KERNEL__ */
 #endif /* __ASM_SH_UBC_H */

arch/sh/include/asm/watchdog.h

@@ -2,6 +2,8 @@
  * include/asm-sh/watchdog.h
  *
  * Copyright (C) 2002, 2003 Paul Mundt
+ * Copyright (C) 2009 Siemens AG
+ * Copyright (C) 2009 Valentin Sitdikov
  *
  * This program is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License as published by the
@@ -61,6 +63,61 @@
 #define WTCSR_CKS_2048	0x06
 #define WTCSR_CKS_4096	0x07
 
+#if defined(CONFIG_CPU_SUBTYPE_SH7785) || defined(CONFIG_CPU_SUBTYPE_SH7780)
+/**
+ * 	sh_wdt_read_cnt - Read from Counter
+ * 	Reads back the WTCNT value.
+ */
+static inline __u32 sh_wdt_read_cnt(void)
+{
+	return ctrl_inl(WTCNT_R);
+}
+
+/**
+ *	sh_wdt_write_cnt - Write to Counter
+ *	@val: Value to write
+ *
+ *	Writes the given value @val to the lower byte of the timer counter.
+ *	The upper byte is set manually on each write.
+ */
+static inline void sh_wdt_write_cnt(__u32 val)
+{
+	ctrl_outl((WTCNT_HIGH << 24) | (__u32)val, WTCNT);
+}
+
+/**
+ *	sh_wdt_write_bst - Write to Counter
+ *	@val: Value to write
+ *
+ *	Writes the given value @val to the lower byte of the timer counter.
+ *	The upper byte is set manually on each write.
+ */
+static inline void sh_wdt_write_bst(__u32 val)
+{
+	ctrl_outl((WTBST_HIGH << 24) | (__u32)val, WTBST);
+}
+/**
+ * 	sh_wdt_read_csr - Read from Control/Status Register
+ *
+ *	Reads back the WTCSR value.
+ */
+static inline __u32 sh_wdt_read_csr(void)
+{
+	return ctrl_inl(WTCSR_R);
+}
+
+/**
+ * 	sh_wdt_write_csr - Write to Control/Status Register
+ * 	@val: Value to write
+ *
+ * 	Writes the given value @val to the lower byte of the control/status
+ * 	register. The upper byte is set manually on each write.
+ */
+static inline void sh_wdt_write_csr(__u32 val)
+{
+	ctrl_outl((WTCSR_HIGH << 24) | (__u32)val, WTCSR);
+}
+#else
 /**
  * 	sh_wdt_read_cnt - Read from Counter
  * 	Reads back the WTCNT value.
@@ -103,6 +160,6 @@ static inline void sh_wdt_write_csr(__u8 val)
 {
 	ctrl_outw((WTCSR_HIGH << 8) | (__u16)val, WTCSR);
 }
-
+#endif /* CONFIG_CPU_SUBTYPE_SH7785 || CONFIG_CPU_SUBTYPE_SH7780 */
 #endif /* __KERNEL__ */
 #endif /* __ASM_SH_WATCHDOG_H */

arch/sh/include/cpu-sh4/cpu/watchdog.h

@@ -2,6 +2,8 @@
  * include/asm-sh/cpu-sh4/watchdog.h
  *
  * Copyright (C) 2002, 2003 Paul Mundt
+ * Copyright (C) 2009 Siemens AG
+ * Copyright (C) 2009 Sitdikov Valentin
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
@@ -10,9 +12,20 @@
 #ifndef __ASM_CPU_SH4_WATCHDOG_H
 #define __ASM_CPU_SH4_WATCHDOG_H
 
+#if defined(CONFIG_CPU_SUBTYPE_SH7785) || defined(CONFIG_CPU_SUBTYPE_SH7780)
+/* Prefix definition */
+#define WTBST_HIGH	0x55
+/* Register definitions */
+#define WTCNT_R		0xffcc0010 /*WDTCNT*/
+#define WTCSR		0xffcc0004 /*WDTCSR*/
+#define WTCNT		0xffcc0000 /*WDTST*/
+#define WTST		WTCNT
+#define WTBST		0xffcc0008 /*WDTBST*/
+#else
 /* Register definitions */
 #define WTCNT		0xffc00008
 #define WTCSR		0xffc0000c
+#endif
 
 /* Bit definitions */
 #define WTCSR_TME	0x80

arch/sh/include/mach-ecovec24/mach/partner-jet-setup.txt

@@ -22,13 +22,12 @@ ED 0xff000010, 0x00000004
 LIST "setup clocks"
 ED 0xa4150024, 0x00004000
 ED 0xa4150000, 0x8E003508
-ED 0xa4150004, 0x00000000
 
 WAIT 1
 
 LIST "BSC"
 ED 0xff800020, 0xa5a50000
-ED 0xfec10000, 0x00000013
+ED 0xfec10000, 0x00001013
 ED 0xfec10004, 0x11110400
 ED 0xfec10024, 0x00000440
 

arch/sh/include/mach-se/mach/se7722.h

@@ -92,18 +92,11 @@
 #define SE7722_FPGA_IRQ_MRSHPC1	3 /* IRQ1 */
 #define SE7722_FPGA_IRQ_MRSHPC2	4 /* IRQ1 */
 #define SE7722_FPGA_IRQ_MRSHPC3	5 /* IRQ1 */
-
 #define SE7722_FPGA_IRQ_NR	6
-#define SE7722_FPGA_IRQ_BASE	110
-
-#define MRSHPC_IRQ3    	(SE7722_FPGA_IRQ_BASE + SE7722_FPGA_IRQ_MRSHPC3)
-#define MRSHPC_IRQ2    	(SE7722_FPGA_IRQ_BASE + SE7722_FPGA_IRQ_MRSHPC2)
-#define MRSHPC_IRQ1    	(SE7722_FPGA_IRQ_BASE + SE7722_FPGA_IRQ_MRSHPC1)
-#define MRSHPC_IRQ0    	(SE7722_FPGA_IRQ_BASE + SE7722_FPGA_IRQ_MRSHPC0)
-#define SMC_IRQ		(SE7722_FPGA_IRQ_BASE + SE7722_FPGA_IRQ_SMC)
-#define USB_IRQ		(SE7722_FPGA_IRQ_BASE + SE7722_FPGA_IRQ_USB)
 
 /* arch/sh/boards/se/7722/irq.c */
+extern unsigned int se7722_fpga_irq[];
+
 void init_se7722_IRQ(void);
 
 #define __IO_PREFIX		se7722

arch/sh/kernel/Makefile

@@ -9,8 +9,12 @@ ifdef CONFIG_FUNCTION_TRACER
 CFLAGS_REMOVE_ftrace.o = -pg
 endif
 
-obj-y	:= debugtraps.o dumpstack.o idle.o io.o io_generic.o irq.o	\
-	   machvec.o nmi_debug.o process_$(BITS).o ptrace_$(BITS).o	\
+CFLAGS_REMOVE_return_address.o = -pg
+
+obj-y	:= debugtraps.o dma-nommu.o dumpstack.o 			\
+	   idle.o io.o io_generic.o irq.o				\
+	   irq_$(BITS).o machvec.o nmi_debug.o process_$(BITS).o 	\
+	   ptrace_$(BITS).o return_address.o				\
 	   setup.o signal_$(BITS).o sys_sh.o sys_sh$(BITS).o		\
 	   syscalls_$(BITS).o time.o topology.o traps.o			\
 	   traps_$(BITS).o unwinder.o
@@ -28,13 +32,13 @@ obj-$(CONFIG_CRASH_DUMP)	+= crash_dump.o
 obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
 obj-$(CONFIG_IO_TRAPPED)	+= io_trapped.o
 obj-$(CONFIG_KPROBES)		+= kprobes.o
-obj-$(CONFIG_GENERIC_GPIO)	+= gpio.o
 obj-$(CONFIG_DYNAMIC_FTRACE)	+= ftrace.o
 obj-$(CONFIG_FTRACE_SYSCALLS)	+= ftrace.o
 obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
 obj-$(CONFIG_DUMP_CODE)		+= disassemble.o
 obj-$(CONFIG_HIBERNATION)	+= swsusp.o
 obj-$(CONFIG_DWARF_UNWINDER)	+= dwarf.o
+obj-$(CONFIG_PERF_EVENTS)	+= perf_event.o perf_callchain.o
 
 obj-$(CONFIG_GENERIC_CLOCKEVENTS_BROADCAST)	+= localtimer.o
 

arch/sh/kernel/asm-offsets.c

@@ -34,5 +34,28 @@ int main(void)
 	DEFINE(PBE_NEXT, offsetof(struct pbe, next));
 	DEFINE(SWSUSP_ARCH_REGS_SIZE, sizeof(struct swsusp_arch_regs));
 #endif
+
+	DEFINE(SH_SLEEP_MODE, offsetof(struct sh_sleep_data, mode));
+	DEFINE(SH_SLEEP_SF_PRE, offsetof(struct sh_sleep_data, sf_pre));
+	DEFINE(SH_SLEEP_SF_POST, offsetof(struct sh_sleep_data, sf_post));
+	DEFINE(SH_SLEEP_RESUME, offsetof(struct sh_sleep_data, resume));
+	DEFINE(SH_SLEEP_VBR, offsetof(struct sh_sleep_data, vbr));
+	DEFINE(SH_SLEEP_SPC, offsetof(struct sh_sleep_data, spc));
+	DEFINE(SH_SLEEP_SR, offsetof(struct sh_sleep_data, sr));
+	DEFINE(SH_SLEEP_SP, offsetof(struct sh_sleep_data, sp));
+	DEFINE(SH_SLEEP_BASE_ADDR, offsetof(struct sh_sleep_data, addr));
+	DEFINE(SH_SLEEP_BASE_DATA, offsetof(struct sh_sleep_data, data));
+	DEFINE(SH_SLEEP_REG_STBCR, offsetof(struct sh_sleep_regs, stbcr));
+	DEFINE(SH_SLEEP_REG_BAR, offsetof(struct sh_sleep_regs, bar));
+	DEFINE(SH_SLEEP_REG_PTEH, offsetof(struct sh_sleep_regs, pteh));
+	DEFINE(SH_SLEEP_REG_PTEL, offsetof(struct sh_sleep_regs, ptel));
+	DEFINE(SH_SLEEP_REG_TTB, offsetof(struct sh_sleep_regs, ttb));
+	DEFINE(SH_SLEEP_REG_TEA, offsetof(struct sh_sleep_regs, tea));
+	DEFINE(SH_SLEEP_REG_MMUCR, offsetof(struct sh_sleep_regs, mmucr));
+	DEFINE(SH_SLEEP_REG_PTEA, offsetof(struct sh_sleep_regs, ptea));
+	DEFINE(SH_SLEEP_REG_PASCR, offsetof(struct sh_sleep_regs, pascr));
+	DEFINE(SH_SLEEP_REG_IRMCR, offsetof(struct sh_sleep_regs, irmcr));
+	DEFINE(SH_SLEEP_REG_CCR, offsetof(struct sh_sleep_regs, ccr));
+	DEFINE(SH_SLEEP_REG_RAMCR, offsetof(struct sh_sleep_regs, ramcr));
 	return 0;
 }

arch/sh/kernel/cpu/Makefile

@@ -15,7 +15,6 @@ obj-$(CONFIG_ARCH_SHMOBILE)	+= shmobile/
 
 # Common interfaces.
 
-obj-$(CONFIG_UBC_WAKEUP)	+= ubc.o
 obj-$(CONFIG_SH_ADC)		+= adc.o
 obj-$(CONFIG_SH_CLK_CPG)	+= clock-cpg.o
 

arch/sh/kernel/cpu/init.c

@@ -75,16 +75,11 @@ static void __init expmask_init(void)
 	/*
 	 * Future proofing.
 	 *
-	 * Disable support for slottable sleep instruction
-	 * and non-nop instructions in the rte delay slot.
+	 * Disable support for slottable sleep instruction, non-nop
+	 * instructions in the rte delay slot, and associative writes to
+	 * the memory-mapped cache array.
 	 */
-	expmask &= ~(EXPMASK_RTEDS | EXPMASK_BRDSSLP);
-
-	/*
-	 * Enable associative writes to the memory-mapped cache array
-	 * until the cache flush ops have been rewritten.
-	 */
-	expmask |= EXPMASK_MMCAW;
+	expmask &= ~(EXPMASK_RTEDS | EXPMASK_BRDSSLP | EXPMASK_MMCAW);
 
 	__raw_writel(expmask, EXPMASK);
 	ctrl_barrier();
@@ -311,12 +306,12 @@ asmlinkage void __init sh_cpu_init(void)
 	if (fpu_disabled) {
 		printk("FPU Disabled\n");
 		current_cpu_data.flags &= ~CPU_HAS_FPU;
-		disable_fpu();
 	}
 
 	/* FPU initialization */
+	disable_fpu();
 	if ((current_cpu_data.flags & CPU_HAS_FPU)) {
-		clear_thread_flag(TIF_USEDFPU);
+		current_thread_info()->status &= ~TS_USEDFPU;
 		clear_used_math();
 	}
 
@@ -338,17 +333,6 @@ asmlinkage void __init sh_cpu_init(void)
 	}
 #endif
 
-	/*
-	 * Some brain-damaged loaders decided it would be a good idea to put
-	 * the UBC to sleep. This causes some issues when it comes to things
-	 * like PTRACE_SINGLESTEP or doing hardware watchpoints in GDB.  So ..
-	 * we wake it up and hope that all is well.
-	 */
-#ifdef CONFIG_SUPERH32
-	if (raw_smp_processor_id() == 0)
-		ubc_wakeup();
-#endif
-
 	speculative_execution_init();
 	expmask_init();
 }

arch/sh/kernel/cpu/sh2a/fpu.c

@@ -25,14 +25,12 @@
 
 /*
  * Save FPU registers onto task structure.
- * Assume called with FPU enabled (SR.FD=0).
  */
 void
-save_fpu(struct task_struct *tsk, struct pt_regs *regs)
+save_fpu(struct task_struct *tsk)
 {
 	unsigned long dummy;
 
-	clear_tsk_thread_flag(tsk, TIF_USEDFPU);
 	enable_fpu();
 	asm volatile("sts.l	fpul, @-%0\n\t"
 		     "sts.l	fpscr, @-%0\n\t"
@@ -60,7 +58,6 @@ save_fpu(struct task_struct *tsk, struct pt_regs *regs)
 		     : "memory");
 
 	disable_fpu();
-	release_fpu(regs);
 }
 
 static void
@@ -598,31 +595,31 @@ BUILD_TRAP_HANDLER(fpu_error)
 	struct task_struct *tsk = current;
 	TRAP_HANDLER_DECL;
 
-	save_fpu(tsk, regs);
+	__unlazy_fpu(tsk, regs);
 	if (ieee_fpe_handler(regs)) {
 		tsk->thread.fpu.hard.fpscr &=
 			~(FPSCR_CAUSE_MASK | FPSCR_FLAG_MASK);
 		grab_fpu(regs);
 		restore_fpu(tsk);
-		set_tsk_thread_flag(tsk, TIF_USEDFPU);
+		task_thread_info(tsk)->status |= TS_USEDFPU;
 		return;
 	}
 
 	force_sig(SIGFPE, tsk);
 }
 
-BUILD_TRAP_HANDLER(fpu_state_restore)
+void fpu_state_restore(struct pt_regs *regs)
 {
 	struct task_struct *tsk = current;
-	TRAP_HANDLER_DECL;
 
 	grab_fpu(regs);
-	if (!user_mode(regs)) {
+	if (unlikely(!user_mode(regs))) {
 		printk(KERN_ERR "BUG: FPU is used in kernel mode.\n");
+		BUG();
 		return;
 	}
 
-	if (used_math()) {
+	if (likely(used_math())) {
 		/* Using the FPU again.  */
 		restore_fpu(tsk);
 	} else	{
@@ -630,5 +627,13 @@ BUILD_TRAP_HANDLER(fpu_state_restore)
 		fpu_init();
 		set_used_math();
 	}
-	set_tsk_thread_flag(tsk, TIF_USEDFPU);
+	task_thread_info(tsk)->status |= TS_USEDFPU;
+	tsk->fpu_counter++;
+}
+
+BUILD_TRAP_HANDLER(fpu_state_restore)
+{
+	TRAP_HANDLER_DECL;
+
+	fpu_state_restore(regs);
 }

arch/sh/kernel/cpu/sh3/entry.S

@@ -297,41 +297,8 @@ ENTRY(vbr_base)
 !
 	.balign 	256,0,256
 general_exception:
-#ifndef CONFIG_CPU_SUBTYPE_SHX3
 	bra	handle_exception
 	 sts	pr, k3		! save original pr value in k3
-#else
-	mov.l	1f, k4
-	mov.l	@k4, k4
-
-	! Is EXPEVT larger than 0x800?
-	mov	#0x8, k0
-	shll8	k0
-	cmp/hs	k0, k4
-	bf	0f
-
-	! then add 0x580 (k2 is 0xd80 or 0xda0)
-	mov	#0x58, k0
-	shll2	k0
-	shll2	k0
-	add	k0, k4
-0:
-	! Setup stack and save DSP context (k0 contains original r15 on return)
-	bsr	prepare_stack
-	 nop
-
-	! Save registers / Switch to bank 0
-	mov		k4, k2		! keep vector in k2
-	mov.l	1f, k4		! SR bits to clear in k4
-	bsr	save_regs	! needs original pr value in k3
-	 nop
-
-	bra	handle_exception_special
-	 nop
-
-	.align	2
-1:	.long	EXPEVT
-#endif
 
 ! prepare_stack()
 ! - roll back gRB

arch/sh/kernel/cpu/sh4/Makefile

@@ -9,6 +9,11 @@ obj-$(CONFIG_HIBERNATION)		+= $(addprefix ../sh3/, swsusp.o)
 obj-$(CONFIG_SH_FPU)			+= fpu.o softfloat.o
 obj-$(CONFIG_SH_STORE_QUEUES)		+= sq.o
 
+# Perf events
+perf-$(CONFIG_CPU_SUBTYPE_SH7750)	:= perf_event.o
+perf-$(CONFIG_CPU_SUBTYPE_SH7750S)	:= perf_event.o
+perf-$(CONFIG_CPU_SUBTYPE_SH7091)	:= perf_event.o
+
 # CPU subtype setup
 obj-$(CONFIG_CPU_SUBTYPE_SH7750)	+= setup-sh7750.o
 obj-$(CONFIG_CPU_SUBTYPE_SH7750R)	+= setup-sh7750.o
@@ -28,3 +33,4 @@ endif
 clock-$(CONFIG_CPU_SUBTYPE_SH4_202)	+= clock-sh4-202.o
 
 obj-y					+= $(clock-y)
+obj-$(CONFIG_PERF_EVENTS)		+= $(perf-y)

arch/sh/kernel/cpu/sh4/fpu.c

@@ -41,13 +41,11 @@ static unsigned int fpu_exception_flags;
 
 /*
  * Save FPU registers onto task structure.
- * Assume called with FPU enabled (SR.FD=0).
  */
-void save_fpu(struct task_struct *tsk, struct pt_regs *regs)
+void save_fpu(struct task_struct *tsk)
 {
 	unsigned long dummy;
 
-	clear_tsk_thread_flag(tsk, TIF_USEDFPU);
 	enable_fpu();
 	asm volatile ("sts.l	fpul, @-%0\n\t"
 		      "sts.l	fpscr, @-%0\n\t"
@@ -92,7 +90,6 @@ void save_fpu(struct task_struct *tsk, struct pt_regs *regs)
 		      :"memory");
 
 	disable_fpu();
-	release_fpu(regs);
 }
 
 static void restore_fpu(struct task_struct *tsk)
@@ -285,7 +282,6 @@ static int ieee_fpe_handler(struct pt_regs *regs)
 		/* fcnvsd */
 		struct task_struct *tsk = current;
 
-		save_fpu(tsk, regs);
 		if ((tsk->thread.fpu.hard.fpscr & FPSCR_CAUSE_ERROR))
 			/* FPU error */
 			denormal_to_double(&tsk->thread.fpu.hard,
@@ -462,7 +458,7 @@ BUILD_TRAP_HANDLER(fpu_error)
 	struct task_struct *tsk = current;
 	TRAP_HANDLER_DECL;
 
-	save_fpu(tsk, regs);
+	__unlazy_fpu(tsk, regs);
 	fpu_exception_flags = 0;
 	if (ieee_fpe_handler(regs)) {
 		tsk->thread.fpu.hard.fpscr &=
@@ -473,7 +469,7 @@ BUILD_TRAP_HANDLER(fpu_error)
 		tsk->thread.fpu.hard.fpscr |= (fpu_exception_flags >> 10);
 		grab_fpu(regs);
 		restore_fpu(tsk);
-		set_tsk_thread_flag(tsk, TIF_USEDFPU);
+		task_thread_info(tsk)->status |= TS_USEDFPU;
 		if ((((tsk->thread.fpu.hard.fpscr & FPSCR_ENABLE_MASK) >> 7) &
 		     (fpu_exception_flags >> 2)) == 0) {
 			return;
@@ -483,18 +479,18 @@ BUILD_TRAP_HANDLER(fpu_error)
 	force_sig(SIGFPE, tsk);
 }
 
-BUILD_TRAP_HANDLER(fpu_state_restore)
+void fpu_state_restore(struct pt_regs *regs)
 {
 	struct task_struct *tsk = current;
-	TRAP_HANDLER_DECL;
 
 	grab_fpu(regs);
-	if (!user_mode(regs)) {
+	if (unlikely(!user_mode(regs))) {
 		printk(KERN_ERR "BUG: FPU is used in kernel mode.\n");
+		BUG();
 		return;
 	}
 
-	if (used_math()) {
+	if (likely(used_math())) {
 		/* Using the FPU again.  */
 		restore_fpu(tsk);
 	} else {
@@ -502,5 +498,13 @@ BUILD_TRAP_HANDLER(fpu_state_restore)
 		fpu_init();
 		set_used_math();
 	}
-	set_tsk_thread_flag(tsk, TIF_USEDFPU);
+	task_thread_info(tsk)->status |= TS_USEDFPU;
+	tsk->fpu_counter++;
+}
+
+BUILD_TRAP_HANDLER(fpu_state_restore)
+{
+	TRAP_HANDLER_DECL;
+
+	fpu_state_restore(regs);
 }

arch/sh/oprofile/op_model_sh7750.c → arch/sh/kernel/cpu/sh4/perf_event.c

 /*
- * arch/sh/oprofile/op_model_sh7750.c
+ * Performance events support for SH7750-style performance counters
  *
- * OProfile support for SH7750/SH7750S Performance Counters
- *
- * Copyright (C) 2003 - 2008  Paul Mundt
+ *  Copyright (C) 2009  Paul Mundt
  *
  * This file is subject to the terms and conditions of the GNU General Public
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  */
 #include <linux/kernel.h>
-#include <linux/oprofile.h>
-#include <linux/profile.h>
 #include <linux/init.h>
-#include <linux/errno.h>
-#include <linux/interrupt.h>
 #include <linux/io.h>
-#include <linux/fs.h>
-#include "op_impl.h"
+#include <linux/irq.h>
+#include <linux/perf_event.h>
+#include <asm/processor.h>
 
 #define PM_CR_BASE	0xff000084	/* 16-bit */
 #define PM_CTR_BASE	0xff100004	/* 32-bit */
@@ -33,15 +28,7 @@
 #define PMCR_PMST	0x00004000
 #define PMCR_PMEN	0x00008000
 
-struct op_sh_model op_model_sh7750_ops;
-
-#define NR_CNTRS	2
-
-static struct sh7750_ppc_register_config {
-	unsigned int ctrl;
-	unsigned long cnt_hi;
-	unsigned long cnt_lo;
-} regcache[NR_CNTRS];
+static struct sh_pmu sh7750_pmu;
 
 /*
  * There are a number of events supported by each counter (33 in total).
@@ -85,171 +72,182 @@ static struct sh7750_ppc_register_config {
  *	0x27		Pipeline freeze by branch instruction
  *	0x28		Pipeline freeze by CPU register
  *	0x29		Pipeline freeze by FPU
- *
- * Unfortunately we don't have a native exception or interrupt for counter
- * overflow (although since these counters can run for 16.3 days without
- * overflowing, it's not really necessary).
- *
- * OProfile on the other hand likes to have samples taken periodically, so
- * for now we just piggyback the timer interrupt to get the expected
- * behavior.
  */
 
-static int sh7750_timer_notify(struct pt_regs *regs)
-{
-	oprofile_add_sample(regs, 0);
-	return 0;
-}
-
-static u64 sh7750_read_counter(int counter)
-{
-	return (u64)((u64)(__raw_readl(PMCTRH(counter)) & 0xffff) << 32) |
-			   __raw_readl(PMCTRL(counter));
-}
-
-/*
- * Files will be in a path like:
- *
- *  /<oprofilefs mount point>/<counter number>/<file>
- *
- * So when dealing with <file>, we look to the parent dentry for the counter
- * number.
- */
-static inline int to_counter(struct file *file)
-{
-	const unsigned char *name = file->f_path.dentry->d_parent->d_name.name;
-
-	return (int)simple_strtol(name, NULL, 10);
-}
-
-/*
- * XXX: We have 48-bit counters, so we're probably going to want something
- * more along the lines of oprofilefs_ullong_to_user().. Truncating to
- * unsigned long works fine for now though, as long as we don't attempt to
- * profile for too horribly long.
- */
-static ssize_t sh7750_read_count(struct file *file, char __user *buf,
-				 size_t count, loff_t *ppos)
-{
-	int counter = to_counter(file);
-	u64 val = sh7750_read_counter(counter);
+static const int sh7750_general_events[] = {
+	[PERF_COUNT_HW_CPU_CYCLES]		= 0x0023,
+	[PERF_COUNT_HW_INSTRUCTIONS]		= 0x000a,
+	[PERF_COUNT_HW_CACHE_REFERENCES]	= 0x0006,	/* I-cache */
+	[PERF_COUNT_HW_CACHE_MISSES]		= 0x0008,	/* I-cache */
+	[PERF_COUNT_HW_BRANCH_INSTRUCTIONS]	= 0x0010,
+	[PERF_COUNT_HW_BRANCH_MISSES]		= -1,
+	[PERF_COUNT_HW_BUS_CYCLES]		= -1,
+};
 
-	return oprofilefs_ulong_to_user((unsigned long)val, buf, count, ppos);
-}
+#define C(x)	PERF_COUNT_HW_CACHE_##x
 
-static ssize_t sh7750_write_count(struct file *file, const char __user *buf,
-				  size_t count, loff_t *ppos)
+static const int sh7750_cache_events
+			[PERF_COUNT_HW_CACHE_MAX]
+			[PERF_COUNT_HW_CACHE_OP_MAX]
+			[PERF_COUNT_HW_CACHE_RESULT_MAX] =
 {
-	int counter = to_counter(file);
-	unsigned long val;
-
-	if (oprofilefs_ulong_from_user(&val, buf, count))
-		return -EFAULT;
-
-	/*
-	 * Any write will clear the counter, although only 0 should be
-	 * written for this purpose, as we do not support setting the
-	 * counter to an arbitrary value.
-	 */
-	WARN_ON(val != 0);
-
-	__raw_writew(__raw_readw(PMCR(counter)) | PMCR_PMCLR, PMCR(counter));
-
-	return count;
-}
-
-static const struct file_operations count_fops = {
-	.read		= sh7750_read_count,
-	.write		= sh7750_write_count,
+	[ C(L1D) ] = {
+		[ C(OP_READ) ] = {
+			[ C(RESULT_ACCESS) ] = 0x0001,
+			[ C(RESULT_MISS)   ] = 0x0004,
+		},
+		[ C(OP_WRITE) ] = {
+			[ C(RESULT_ACCESS) ] = 0x0002,
+			[ C(RESULT_MISS)   ] = 0x0005,
+		},
+		[ C(OP_PREFETCH) ] = {
+			[ C(RESULT_ACCESS) ] = 0,
+			[ C(RESULT_MISS)   ] = 0,
+		},
+	},
+
+	[ C(L1I) ] = {
+		[ C(OP_READ) ] = {
+			[ C(RESULT_ACCESS) ] = 0x0006,
+			[ C(RESULT_MISS)   ] = 0x0008,
+		},
+		[ C(OP_WRITE) ] = {
+			[ C(RESULT_ACCESS) ] = -1,
+			[ C(RESULT_MISS)   ] = -1,
+		},
+		[ C(OP_PREFETCH) ] = {
+			[ C(RESULT_ACCESS) ] = 0,
+			[ C(RESULT_MISS)   ] = 0,
+		},
+	},
+
+	[ C(LL) ] = {
+		[ C(OP_READ) ] = {
+			[ C(RESULT_ACCESS) ] = 0,
+			[ C(RESULT_MISS)   ] = 0,
+		},
+		[ C(OP_WRITE) ] = {
+			[ C(RESULT_ACCESS) ] = 0,
+			[ C(RESULT_MISS)   ] = 0,
+		},
+		[ C(OP_PREFETCH) ] = {
+			[ C(RESULT_ACCESS) ] = 0,
+			[ C(RESULT_MISS)   ] = 0,
+		},
+	},
+
+	[ C(DTLB) ] = {
+		[ C(OP_READ) ] = {
+			[ C(RESULT_ACCESS) ] = 0,
+			[ C(RESULT_MISS)   ] = 0x0003,
+		},
+		[ C(OP_WRITE) ] = {
+			[ C(RESULT_ACCESS) ] = 0,
+			[ C(RESULT_MISS)   ] = 0,
+		},
+		[ C(OP_PREFETCH) ] = {
+			[ C(RESULT_ACCESS) ] = 0,
+			[ C(RESULT_MISS)   ] = 0,
+		},
+	},
+
+	[ C(ITLB) ] = {
+		[ C(OP_READ) ] = {
+			[ C(RESULT_ACCESS) ] = 0,
+			[ C(RESULT_MISS)   ] = 0x0007,
+		},
+		[ C(OP_WRITE) ] = {
+			[ C(RESULT_ACCESS) ] = -1,
+			[ C(RESULT_MISS)   ] = -1,
+		},
+		[ C(OP_PREFETCH) ] = {
+			[ C(RESULT_ACCESS) ] = -1,
+			[ C(RESULT_MISS)   ] = -1,
+		},
+	},
+
+	[ C(BPU) ] = {
+		[ C(OP_READ) ] = {
+			[ C(RESULT_ACCESS) ] = -1,
+			[ C(RESULT_MISS)   ] = -1,
+		},
+		[ C(OP_WRITE) ] = {
+			[ C(RESULT_ACCESS) ] = -1,
+			[ C(RESULT_MISS)   ] = -1,
+		},
+		[ C(OP_PREFETCH) ] = {
+			[ C(RESULT_ACCESS) ] = -1,
+			[ C(RESULT_MISS)   ] = -1,
+		},
+	},
 };
 
-static int sh7750_ppc_create_files(struct super_block *sb, struct dentry *dir)
+static int sh7750_event_map(int event)
 {
-	return oprofilefs_create_file(sb, dir, "count", &count_fops);
+	return sh7750_general_events[event];
 }
 
-static void sh7750_ppc_reg_setup(struct op_counter_config *ctr)
+static u64 sh7750_pmu_read(int idx)
 {
-	unsigned int counters = op_model_sh7750_ops.num_counters;
-	int i;
-
-	for (i = 0; i < counters; i++) {
-		regcache[i].ctrl	= 0;
-		regcache[i].cnt_hi	= 0;
-		regcache[i].cnt_lo	= 0;
-
-		if (!ctr[i].enabled)
-			continue;
-
-		regcache[i].ctrl |= ctr[i].event | PMCR_PMEN | PMCR_PMST;
-		regcache[i].cnt_hi = (unsigned long)((ctr->count >> 32) & 0xffff);
-		regcache[i].cnt_lo = (unsigned long)(ctr->count & 0xffffffff);
-	}
+	return (u64)((u64)(__raw_readl(PMCTRH(idx)) & 0xffff) << 32) |
+			   __raw_readl(PMCTRL(idx));
 }
 
-static void sh7750_ppc_cpu_setup(void *args)
+static void sh7750_pmu_disable(struct hw_perf_event *hwc, int idx)
 {
-	unsigned int counters = op_model_sh7750_ops.num_counters;
-	int i;
+	unsigned int tmp;
 
-	for (i = 0; i < counters; i++) {
-		__raw_writew(0, PMCR(i));
-		__raw_writel(regcache[i].cnt_hi, PMCTRH(i));
-		__raw_writel(regcache[i].cnt_lo, PMCTRL(i));
-	}
+	tmp = __raw_readw(PMCR(idx));
+	tmp &= ~(PMCR_PMM_MASK | PMCR_PMEN);
+	__raw_writew(tmp, PMCR(idx));
 }
 
-static void sh7750_ppc_cpu_start(void *args)
+static void sh7750_pmu_enable(struct hw_perf_event *hwc, int idx)
 {
-	unsigned int counters = op_model_sh7750_ops.num_counters;
-	int i;
-
-	for (i = 0; i < counters; i++)
-		__raw_writew(regcache[i].ctrl, PMCR(i));
+	__raw_writew(__raw_readw(PMCR(idx)) | PMCR_PMCLR, PMCR(idx));
+	__raw_writew(hwc->config | PMCR_PMEN | PMCR_PMST, PMCR(idx));
 }
 
-static void sh7750_ppc_cpu_stop(void *args)
+static void sh7750_pmu_disable_all(void)
 {
-	unsigned int counters = op_model_sh7750_ops.num_counters;
 	int i;
 
-	/* Disable the counters */
-	for (i = 0; i < counters; i++)
+	for (i = 0; i < sh7750_pmu.num_events; i++)
 		__raw_writew(__raw_readw(PMCR(i)) & ~PMCR_PMEN, PMCR(i));
 }
 
-static inline void sh7750_ppc_reset(void)
+static void sh7750_pmu_enable_all(void)
 {
-	unsigned int counters = op_model_sh7750_ops.num_counters;
 	int i;
 
-	/* Clear the counters */
-	for (i = 0; i < counters; i++)
-		__raw_writew(__raw_readw(PMCR(i)) | PMCR_PMCLR, PMCR(i));
+	for (i = 0; i < sh7750_pmu.num_events; i++)
+		__raw_writew(__raw_readw(PMCR(i)) | PMCR_PMEN, PMCR(i));
 }
 
-static int sh7750_ppc_init(void)
-{
-	sh7750_ppc_reset();
-
-	return register_timer_hook(sh7750_timer_notify);
-}
+static struct sh_pmu sh7750_pmu = {
+	.name		= "SH7750",
+	.num_events	= 2,
+	.event_map	= sh7750_event_map,
+	.max_events	= ARRAY_SIZE(sh7750_general_events),
+	.raw_event_mask	= PMCR_PMM_MASK,
+	.cache_events	= &sh7750_cache_events,
+	.read		= sh7750_pmu_read,
+	.disable	= sh7750_pmu_disable,
+	.enable		= sh7750_pmu_enable,
+	.disable_all	= sh7750_pmu_disable_all,
+	.enable_all	= sh7750_pmu_enable_all,
+};
 
-static void sh7750_ppc_exit(void)
+static int __init sh7750_pmu_init(void)
 {
-	unregister_timer_hook(sh7750_timer_notify);
+	/*
+	 * Make sure this CPU actually has perf counters.
+	 */
+	if (!(boot_cpu_data.flags & CPU_HAS_PERF_COUNTER)) {
+		pr_notice("HW perf events unsupported, software events only.\n");
+		return -ENODEV;
+	}
 
-	sh7750_ppc_reset();
+	return register_sh_pmu(&sh7750_pmu);
 }
-
-struct op_sh_model op_model_sh7750_ops = {
-	.cpu_type	= "sh/sh7750",
-	.num_counters	= NR_CNTRS,
-	.reg_setup	= sh7750_ppc_reg_setup,
-	.cpu_setup	= sh7750_ppc_cpu_setup,
-	.cpu_start	= sh7750_ppc_cpu_start,
-	.cpu_stop	= sh7750_ppc_cpu_stop,
-	.init		= sh7750_ppc_init,
-	.exit		= sh7750_ppc_exit,
-	.create_files	= sh7750_ppc_create_files,
-};
+arch_initcall(sh7750_pmu_init);

arch/sh/kernel/cpu/sh4a/Makefile

@@ -44,3 +44,4 @@ pinmux-$(CONFIG_CPU_SUBTYPE_SH7786)	:= pinmux-sh7786.o
 obj-y				+= $(clock-y)
 obj-$(CONFIG_SMP)		+= $(smp-y)
 obj-$(CONFIG_GENERIC_GPIO)	+= $(pinmux-y)
+obj-$(CONFIG_PERF_EVENTS)	+= perf_event.o

arch/sh/kernel/cpu/sh4a/clock-sh7724.c

@@ -152,7 +152,7 @@ struct clk div6_clks[] = {
 	SH_CLK_DIV6("fsia_clk", &div3_clk, FCLKACR, 0),
 	SH_CLK_DIV6("fsib_clk", &div3_clk, FCLKBCR, 0),
 	SH_CLK_DIV6("irda_clk", &div3_clk, IRDACLKCR, 0),
-	SH_CLK_DIV6("spu_clk", &div3_clk, SPUCLKCR, 0),
+	SH_CLK_DIV6("spu_clk", &div3_clk, SPUCLKCR, CLK_ENABLE_ON_INIT),
 };
 
 #define R_CLK (&r_clk)

arch/sh/kernel/cpu/sh4a/perf_event.c

+/*
+ * Performance events support for SH-4A performance counters
+ *
+ *  Copyright (C) 2009  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/perf_event.h>
+#include <asm/processor.h>
+
+#define PPC_CCBR(idx)	(0xff200800 + (sizeof(u32) * idx))
+#define PPC_PMCTR(idx)	(0xfc100000 + (sizeof(u32) * idx))
+
+#define CCBR_CIT_MASK	(0x7ff << 6)
+#define CCBR_DUC	(1 << 3)
+#define CCBR_CMDS	(1 << 1)
+#define CCBR_PPCE	(1 << 0)
+
+#define PPC_PMCAT	0xfc100080
+
+#define PMCAT_OVF3	(1 << 27)
+#define PMCAT_CNN3	(1 << 26)
+#define PMCAT_CLR3	(1 << 25)
+#define PMCAT_OVF2	(1 << 19)
+#define PMCAT_CLR2	(1 << 17)
+#define PMCAT_OVF1	(1 << 11)
+#define PMCAT_CNN1	(1 << 10)
+#define PMCAT_CLR1	(1 << 9)
+#define PMCAT_OVF0	(1 << 3)
+#define PMCAT_CLR0	(1 << 1)
+
+static struct sh_pmu sh4a_pmu;
+
+/*
+ * Supported raw event codes:
+ *
+ *	Event Code	Description
+ *	----------	-----------
+ *
+ *	0x0000		number of elapsed cycles
+ *	0x0200		number of elapsed cycles in privileged mode
+ *	0x0280		number of elapsed cycles while SR.BL is asserted
+ *	0x0202		instruction execution
+ *	0x0203		instruction execution in parallel
+ *	0x0204		number of unconditional branches
+ *	0x0208		number of exceptions
+ *	0x0209		number of interrupts
+ *	0x0220		UTLB miss caused by instruction fetch
+ *	0x0222		UTLB miss caused by operand access
+ *	0x02a0		number of ITLB misses
+ *	0x0028		number of accesses to instruction memories
+ *	0x0029		number of accesses to instruction cache
+ *	0x002a		instruction cache miss
+ *	0x022e		number of access to instruction X/Y memory
+ *	0x0030		number of reads to operand memories
+ *	0x0038		number of writes to operand memories
+ *	0x0031		number of operand cache read accesses
+ *	0x0039		number of operand cache write accesses
+ *	0x0032		operand cache read miss
+ *	0x003a		operand cache write miss
+ *	0x0236		number of reads to operand X/Y memory
+ *	0x023e		number of writes to operand X/Y memory
+ *	0x0237		number of reads to operand U memory
+ *	0x023f		number of writes to operand U memory
+ *	0x0337		number of U memory read buffer misses
+ *	0x02b4		number of wait cycles due to operand read access
+ *	0x02bc		number of wait cycles due to operand write access
+ *	0x0033		number of wait cycles due to operand cache read miss
+ *	0x003b		number of wait cycles due to operand cache write miss
+ */
+
+/*
+ * Special reserved bits used by hardware emulators, read values will
+ * vary, but writes must always be 0.
+ */
+#define PMCAT_EMU_CLR_MASK	((1 << 24) | (1 << 16) | (1 << 8) | (1 << 0))
+
+static const int sh4a_general_events[] = {
+	[PERF_COUNT_HW_CPU_CYCLES]		= 0x0000,
+	[PERF_COUNT_HW_INSTRUCTIONS]		= 0x0202,
+	[PERF_COUNT_HW_CACHE_REFERENCES]	= 0x0029,	/* I-cache */
+	[PERF_COUNT_HW_CACHE_MISSES]		= 0x002a,	/* I-cache */
+	[PERF_COUNT_HW_BRANCH_INSTRUCTIONS]	= 0x0204,
+	[PERF_COUNT_HW_BRANCH_MISSES]		= -1,
+	[PERF_COUNT_HW_BUS_CYCLES]		= -1,
+};
+
+#define C(x)	PERF_COUNT_HW_CACHE_##x
+
+static const int sh4a_cache_events
+			[PERF_COUNT_HW_CACHE_MAX]
+			[PERF_COUNT_HW_CACHE_OP_MAX]
+			[PERF_COUNT_HW_CACHE_RESULT_MAX] =
+{
+	[ C(L1D) ] = {
+		[ C(OP_READ) ] = {
+			[ C(RESULT_ACCESS) ] = 0x0031,
+			[ C(RESULT_MISS)   ] = 0x0032,
+		},
+		[ C(OP_WRITE) ] = {
+			[ C(RESULT_ACCESS) ] = 0x0039,
+			[ C(RESULT_MISS)   ] = 0x003a,
+		},
+		[ C(OP_PREFETCH) ] = {
+			[ C(RESULT_ACCESS) ] = 0,
+			[ C(RESULT_MISS)   ] = 0,
+		},
+	},
+
+	[ C(L1I) ] = {
+		[ C(OP_READ) ] = {
+			[ C(RESULT_ACCESS) ] = 0x0029,
+			[ C(RESULT_MISS)   ] = 0x002a,
+		},
+		[ C(OP_WRITE) ] = {
+			[ C(RESULT_ACCESS) ] = -1,
+			[ C(RESULT_MISS)   ] = -1,
+		},
+		[ C(OP_PREFETCH) ] = {
+			[ C(RESULT_ACCESS) ] = 0,
+			[ C(RESULT_MISS)   ] = 0,
+		},
+	},
+
+	[ C(LL) ] = {
+		[ C(OP_READ) ] = {
+			[ C(RESULT_ACCESS) ] = 0x0030,
+			[ C(RESULT_MISS)   ] = 0,
+		},
+		[ C(OP_WRITE) ] = {
+			[ C(RESULT_ACCESS) ] = 0x0038,
+			[ C(RESULT_MISS)   ] = 0,
+		},
+		[ C(OP_PREFETCH) ] = {
+			[ C(RESULT_ACCESS) ] = 0,
+			[ C(RESULT_MISS)   ] = 0,
+		},
+	},
+
+	[ C(DTLB) ] = {
+		[ C(OP_READ) ] = {
+			[ C(RESULT_ACCESS) ] = 0x0222,
+			[ C(RESULT_MISS)   ] = 0x0220,
+		},
+		[ C(OP_WRITE) ] = {
+			[ C(RESULT_ACCESS) ] = 0,
+			[ C(RESULT_MISS)   ] = 0,
+		},
+		[ C(OP_PREFETCH) ] = {
+			[ C(RESULT_ACCESS) ] = 0,
+			[ C(RESULT_MISS)   ] = 0,
+		},
+	},
+
+	[ C(ITLB) ] = {
+		[ C(OP_READ) ] = {
+			[ C(RESULT_ACCESS) ] = 0,
+			[ C(RESULT_MISS)   ] = 0x02a0,
+		},
+		[ C(OP_WRITE) ] = {
+			[ C(RESULT_ACCESS) ] = -1,
+			[ C(RESULT_MISS)   ] = -1,
+		},
+		[ C(OP_PREFETCH) ] = {
+			[ C(RESULT_ACCESS) ] = -1,
+			[ C(RESULT_MISS)   ] = -1,
+		},
+	},
+
+	[ C(BPU) ] = {
+		[ C(OP_READ) ] = {
+			[ C(RESULT_ACCESS) ] = -1,
+			[ C(RESULT_MISS)   ] = -1,
+		},
+		[ C(OP_WRITE) ] = {
+			[ C(RESULT_ACCESS) ] = -1,
+			[ C(RESULT_MISS)   ] = -1,
+		},
+		[ C(OP_PREFETCH) ] = {
+			[ C(RESULT_ACCESS) ] = -1,
+			[ C(RESULT_MISS)   ] = -1,
+		},
+	},
+};
+
+static int sh4a_event_map(int event)
+{
+	return sh4a_general_events[event];
+}
+
+static u64 sh4a_pmu_read(int idx)
+{
+	return __raw_readl(PPC_PMCTR(idx));
+}
+
+static void sh4a_pmu_disable(struct hw_perf_event *hwc, int idx)
+{
+	unsigned int tmp;
+
+	tmp = __raw_readl(PPC_CCBR(idx));
+	tmp &= ~(CCBR_CIT_MASK | CCBR_DUC);
+	__raw_writel(tmp, PPC_CCBR(idx));
+}
+
+static void sh4a_pmu_enable(struct hw_perf_event *hwc, int idx)
+{
+	unsigned int tmp;
+
+	tmp = __raw_readl(PPC_PMCAT);
+	tmp &= ~PMCAT_EMU_CLR_MASK;
+	tmp |= idx ? PMCAT_CLR1 : PMCAT_CLR0;
+	__raw_writel(tmp, PPC_PMCAT);
+
+	tmp = __raw_readl(PPC_CCBR(idx));
+	tmp |= (hwc->config << 6) | CCBR_CMDS | CCBR_PPCE;
+	__raw_writel(tmp, PPC_CCBR(idx));
+
+	__raw_writel(__raw_readl(PPC_CCBR(idx)) | CCBR_DUC, PPC_CCBR(idx));
+}
+
+static void sh4a_pmu_disable_all(void)
+{
+	int i;
+
+	for (i = 0; i < sh4a_pmu.num_events; i++)
+		__raw_writel(__raw_readl(PPC_CCBR(i)) & ~CCBR_DUC, PPC_CCBR(i));
+}
+
+static void sh4a_pmu_enable_all(void)
+{
+	int i;
+
+	for (i = 0; i < sh4a_pmu.num_events; i++)
+		__raw_writel(__raw_readl(PPC_CCBR(i)) | CCBR_DUC, PPC_CCBR(i));
+}
+
+static struct sh_pmu sh4a_pmu = {
+	.name		= "SH-4A",
+	.num_events	= 2,
+	.event_map	= sh4a_event_map,
+	.max_events	= ARRAY_SIZE(sh4a_general_events),
+	.raw_event_mask	= 0x3ff,
+	.cache_events	= &sh4a_cache_events,
+	.read		= sh4a_pmu_read,
+	.disable	= sh4a_pmu_disable,
+	.enable		= sh4a_pmu_enable,
+	.disable_all	= sh4a_pmu_disable_all,
+	.enable_all	= sh4a_pmu_enable_all,
+};
+
+static int __init sh4a_pmu_init(void)
+{
+	/*
+	 * Make sure this CPU actually has perf counters.
+	 */
+	if (!(boot_cpu_data.flags & CPU_HAS_PERF_COUNTER)) {
+		pr_notice("HW perf events unsupported, software events only.\n");
+		return -ENODEV;
+	}
+
+	return register_sh_pmu(&sh4a_pmu);
+}
+arch_initcall(sh4a_pmu_init);

arch/sh/kernel/cpu/sh4a/setup-shx3.c

@@ -15,6 +15,15 @@
 #include <linux/sh_timer.h>
 #include <asm/mmzone.h>
 
+/*
+ * This intentionally only registers SCIF ports 0, 1, and 3. SCIF 2
+ * INTEVT values overlap with the FPU EXPEVT ones, requiring special
+ * demuxing in the exception dispatch path.
+ *
+ * As this overlap is something that never should have made it in to
+ * silicon in the first place, we just refuse to deal with the port at
+ * all rather than adding infrastructure to hack around it.
+ */
 static struct plat_sci_port sci_platform_data[] = {
 	{
 		.mapbase	= 0xffc30000,
@@ -26,11 +35,6 @@ static struct plat_sci_port sci_platform_data[] = {
 		.flags		= UPF_BOOT_AUTOCONF,
 		.type		= PORT_SCIF,
 		.irqs		= { 44, 45, 47, 46 },
-	}, {
-		.mapbase	= 0xffc50000,
-		.flags		= UPF_BOOT_AUTOCONF,
-		.type		= PORT_SCIF,
-		.irqs		= { 48, 49, 51, 50 },
 	}, {
 		.mapbase	= 0xffc60000,
 		.flags		= UPF_BOOT_AUTOCONF,
@@ -268,7 +272,11 @@ enum {
 	UNUSED = 0,
 
 	/* interrupt sources */
-	IRL, IRQ0, IRQ1, IRQ2, IRQ3,
+	IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
+	IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
+	IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
+	IRL_HHLL, IRL_HHLH, IRL_HHHL,
+	IRQ0, IRQ1, IRQ2, IRQ3,
 	HUDII,
 	TMU0, TMU1, TMU2, TMU3, TMU4, TMU5,
 	PCII0, PCII1, PCII2, PCII3, PCII4,
@@ -291,7 +299,7 @@ enum {
 	INTICI4, INTICI5, INTICI6, INTICI7,
 
 	/* interrupt groups */
-	PCII56789, SCIF0, SCIF1, SCIF2, SCIF3,
+	IRL, PCII56789, SCIF0, SCIF1, SCIF2, SCIF3,
 	DMAC0, DMAC1,
 };
 
@@ -309,8 +317,6 @@ static struct intc_vect vectors[] __initdata = {
 	INTC_VECT(SCIF0_BRI, 0x740), INTC_VECT(SCIF0_TXI, 0x760),
 	INTC_VECT(SCIF1_ERI, 0x780), INTC_VECT(SCIF1_RXI, 0x7a0),
 	INTC_VECT(SCIF1_BRI, 0x7c0), INTC_VECT(SCIF1_TXI, 0x7e0),
-	INTC_VECT(SCIF2_ERI, 0x800), INTC_VECT(SCIF2_RXI, 0x820),
-	INTC_VECT(SCIF2_BRI, 0x840), INTC_VECT(SCIF2_TXI, 0x860),
 	INTC_VECT(SCIF3_ERI, 0x880), INTC_VECT(SCIF3_RXI, 0x8a0),
 	INTC_VECT(SCIF3_BRI, 0x8c0), INTC_VECT(SCIF3_TXI, 0x8e0),
 	INTC_VECT(DMAC0_DMINT0, 0x900), INTC_VECT(DMAC0_DMINT1, 0x920),
@@ -344,10 +350,13 @@ static struct intc_vect vectors[] __initdata = {
 };
 
 static struct intc_group groups[] __initdata = {
+	INTC_GROUP(IRL, IRL_LLLL, IRL_LLLH, IRL_LLHL, IRL_LLHH,
+		   IRL_LHLL, IRL_LHLH, IRL_LHHL, IRL_LHHH,
+		   IRL_HLLL, IRL_HLLH, IRL_HLHL, IRL_HLHH,
+		   IRL_HHLL, IRL_HHLH, IRL_HHHL),
 	INTC_GROUP(PCII56789, PCII5, PCII6, PCII7, PCII8, PCII9),
 	INTC_GROUP(SCIF0, SCIF0_ERI, SCIF0_RXI, SCIF0_BRI, SCIF0_TXI),
 	INTC_GROUP(SCIF1, SCIF1_ERI, SCIF1_RXI, SCIF1_BRI, SCIF1_TXI),
-	INTC_GROUP(SCIF2, SCIF2_ERI, SCIF2_RXI, SCIF2_BRI, SCIF2_TXI),
 	INTC_GROUP(SCIF3, SCIF3_ERI, SCIF3_RXI, SCIF3_BRI, SCIF3_TXI),
 	INTC_GROUP(DMAC0, DMAC0_DMINT0, DMAC0_DMINT1, DMAC0_DMINT2,
 		   DMAC0_DMINT3, DMAC0_DMINT4, DMAC0_DMINT5, DMAC0_DMAE),
@@ -419,14 +428,14 @@ static DECLARE_INTC_DESC(intc_desc_irq, "shx3-irq", vectors_irq, groups,
 
 /* External interrupt pins in IRL mode */
 static struct intc_vect vectors_irl[] __initdata = {
-	INTC_VECT(IRL, 0x200), INTC_VECT(IRL, 0x220),
-	INTC_VECT(IRL, 0x240), INTC_VECT(IRL, 0x260),
-	INTC_VECT(IRL, 0x280), INTC_VECT(IRL, 0x2a0),
-	INTC_VECT(IRL, 0x2c0), INTC_VECT(IRL, 0x2e0),
-	INTC_VECT(IRL, 0x300), INTC_VECT(IRL, 0x320),
-	INTC_VECT(IRL, 0x340), INTC_VECT(IRL, 0x360),
-	INTC_VECT(IRL, 0x380), INTC_VECT(IRL, 0x3a0),
-	INTC_VECT(IRL, 0x3c0),
+	INTC_VECT(IRL_LLLL, 0x200), INTC_VECT(IRL_LLLH, 0x220),
+	INTC_VECT(IRL_LLHL, 0x240), INTC_VECT(IRL_LLHH, 0x260),
+	INTC_VECT(IRL_LHLL, 0x280), INTC_VECT(IRL_LHLH, 0x2a0),
+	INTC_VECT(IRL_LHHL, 0x2c0), INTC_VECT(IRL_LHHH, 0x2e0),
+	INTC_VECT(IRL_HLLL, 0x300), INTC_VECT(IRL_HLLH, 0x320),
+	INTC_VECT(IRL_HLHL, 0x340), INTC_VECT(IRL_HLHH, 0x360),
+	INTC_VECT(IRL_HHLL, 0x380), INTC_VECT(IRL_HHLH, 0x3a0),
+	INTC_VECT(IRL_HHHL, 0x3c0),
 };
 
 static DECLARE_INTC_DESC(intc_desc_irl, "shx3-irl", vectors_irl, groups,

arch/sh/kernel/cpu/sh4a/smp-shx3.c

@@ -14,6 +14,13 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 
+#define STBCR_REG(phys_id) (0xfe400004 | (phys_id << 12))
+#define RESET_REG(phys_id) (0xfe400008 | (phys_id << 12))
+
+#define STBCR_MSTP	0x00000001
+#define STBCR_RESET	0x00000002
+#define STBCR_LTSLP	0x80000000
+
 static irqreturn_t ipi_interrupt_handler(int irq, void *arg)
 {
 	unsigned int message = (unsigned int)(long)arg;
@@ -21,9 +28,9 @@ static irqreturn_t ipi_interrupt_handler(int irq, void *arg)
 	unsigned int offs = 4 * cpu;
 	unsigned int x;
 
-	x = ctrl_inl(0xfe410070 + offs); /* C0INITICI..CnINTICI */
+	x = __raw_readl(0xfe410070 + offs); /* C0INITICI..CnINTICI */
 	x &= (1 << (message << 2));
-	ctrl_outl(x, 0xfe410080 + offs); /* C0INTICICLR..CnINTICICLR */
+	__raw_writel(x, 0xfe410080 + offs); /* C0INTICICLR..CnINTICICLR */
 
 	smp_message_recv(message);
 
@@ -37,6 +44,9 @@ void __init plat_smp_setup(void)
 
 	init_cpu_possible(cpumask_of(cpu));
 
+	/* Enable light sleep for the boot CPU */
+	__raw_writel(__raw_readl(STBCR_REG(cpu)) | STBCR_LTSLP, STBCR_REG(cpu));
+
 	__cpu_number_map[0] = 0;
 	__cpu_logical_map[0] = 0;
 
@@ -66,32 +76,23 @@ void __init plat_prepare_cpus(unsigned int max_cpus)
 			    "IPI", (void *)(long)i);
 }
 
-#define STBCR_REG(phys_id) (0xfe400004 | (phys_id << 12))
-#define RESET_REG(phys_id) (0xfe400008 | (phys_id << 12))
-
-#define STBCR_MSTP	0x00000001
-#define STBCR_RESET	0x00000002
-#define STBCR_LTSLP	0x80000000
-
-#define STBCR_AP_VAL	(STBCR_RESET | STBCR_LTSLP)
-
 void plat_start_cpu(unsigned int cpu, unsigned long entry_point)
 {
-	ctrl_outl(entry_point, RESET_REG(cpu));
+	__raw_writel(entry_point, RESET_REG(cpu));
 
-	if (!(ctrl_inl(STBCR_REG(cpu)) & STBCR_MSTP))
-		ctrl_outl(STBCR_MSTP, STBCR_REG(cpu));
+	if (!(__raw_readl(STBCR_REG(cpu)) & STBCR_MSTP))
+		__raw_writel(STBCR_MSTP, STBCR_REG(cpu));
 
-	while (!(ctrl_inl(STBCR_REG(cpu)) & STBCR_MSTP))
+	while (!(__raw_readl(STBCR_REG(cpu)) & STBCR_MSTP))
 		cpu_relax();
 
 	/* Start up secondary processor by sending a reset */
-	ctrl_outl(STBCR_AP_VAL, STBCR_REG(cpu));
+	__raw_writel(STBCR_RESET | STBCR_LTSLP, STBCR_REG(cpu));
 }
 
 int plat_smp_processor_id(void)
 {
-	return ctrl_inl(0xff000048); /* CPIDR */
+	return __raw_readl(0xff000048); /* CPIDR */
 }
 
 void plat_send_ipi(unsigned int cpu, unsigned int message)
@@ -100,5 +101,5 @@ void plat_send_ipi(unsigned int cpu, unsigned int message)
 
 	BUG_ON(cpu >= 4);
 
-	ctrl_outl(1 << (message << 2), addr); /* C0INTICI..CnINTICI */
+	__raw_writel(1 << (message << 2), addr); /* C0INTICI..CnINTICI */
 }

arch/sh/kernel/cpu/sh5/entry.S

@@ -933,7 +933,7 @@ ret_with_reschedule:
 
 	pta	restore_all, tr1
 
-	movi	(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), r8
+	movi	_TIF_SIGPENDING, r8
 	and	r8, r7, r8
 	pta	work_notifysig, tr0
 	bne	r8, ZERO, tr0

arch/sh/kernel/cpu/shmobile/cpuidle.c

@@ -87,25 +87,31 @@ void sh_mobile_setup_cpuidle(void)
 
 	dev->safe_state = state;
 
+	if (sh_mobile_sleep_supported & SUSP_SH_SF) {
 		state = &dev->states[i++];
 		snprintf(state->name, CPUIDLE_NAME_LEN, "C1");
-	strncpy(state->desc, "SuperH Sleep Mode [SF]", CPUIDLE_DESC_LEN);
+		strncpy(state->desc, "SuperH Sleep Mode [SF]",
+			CPUIDLE_DESC_LEN);
 		state->exit_latency = 100;
 		state->target_residency = 1 * 2;
 		state->power_usage = 1;
 		state->flags = 0;
 		state->flags |= CPUIDLE_FLAG_TIME_VALID;
 		state->enter = cpuidle_sleep_enter;
+	}
 
+	if (sh_mobile_sleep_supported & SUSP_SH_STANDBY) {
 		state = &dev->states[i++];
 		snprintf(state->name, CPUIDLE_NAME_LEN, "C2");
-	strncpy(state->desc, "SuperH Mobile Standby Mode [SF]", CPUIDLE_DESC_LEN);
+		strncpy(state->desc, "SuperH Mobile Standby Mode [SF]",
+			CPUIDLE_DESC_LEN);
 		state->exit_latency = 2300;
 		state->target_residency = 1 * 2;
 		state->power_usage = 1;
 		state->flags = 0;
 		state->flags |= CPUIDLE_FLAG_TIME_VALID;
 		state->enter = cpuidle_sleep_enter;
+	}
 
 	dev->state_count = i;
 

arch/sh/kernel/cpu/shmobile/pm.c

@@ -15,6 +15,13 @@
 #include <linux/suspend.h>
 #include <asm/suspend.h>
 #include <asm/uaccess.h>
+#include <asm/cacheflush.h>
+
+/*
+ * Notifier lists for pre/post sleep notification
+ */
+ATOMIC_NOTIFIER_HEAD(sh_mobile_pre_sleep_notifier_list);
+ATOMIC_NOTIFIER_HEAD(sh_mobile_post_sleep_notifier_list);
 
 /*
  * Sleep modes available on SuperH Mobile:
@@ -26,30 +33,105 @@
 #define SUSP_MODE_SLEEP		(SUSP_SH_SLEEP)
 #define SUSP_MODE_SLEEP_SF	(SUSP_SH_SLEEP | SUSP_SH_SF)
 #define SUSP_MODE_STANDBY_SF	(SUSP_SH_STANDBY | SUSP_SH_SF)
-
-/*
- * The following modes are not there yet:
- *
- * R-standby mode is unsupported, but will be added in the future
- * U-standby mode is low priority since it needs bootloader hacks
+#define SUSP_MODE_RSTANDBY	(SUSP_SH_RSTANDBY | SUSP_SH_MMU | SUSP_SH_SF)
+ /*
+  * U-standby mode is unsupported since it needs bootloader hacks
   */
 
-#define ILRAM_BASE 0xe5200000
-
-extern const unsigned char sh_mobile_standby[];
-extern const unsigned int sh_mobile_standby_size;
+#ifdef CONFIG_CPU_SUBTYPE_SH7724
+#define RAM_BASE 0xfd800000 /* RSMEM */
+#else
+#define RAM_BASE 0xe5200000 /* ILRAM */
+#endif
 
 void sh_mobile_call_standby(unsigned long mode)
 {
-	void *onchip_mem = (void *)ILRAM_BASE;
-	void (*standby_onchip_mem)(unsigned long, unsigned long) = onchip_mem;
+	void *onchip_mem = (void *)RAM_BASE;
+	struct sh_sleep_data *sdp = onchip_mem;
+	void (*standby_onchip_mem)(unsigned long, unsigned long);
+
+	/* code located directly after data structure */
+	standby_onchip_mem = (void *)(sdp + 1);
+
+	atomic_notifier_call_chain(&sh_mobile_pre_sleep_notifier_list,
+				   mode, NULL);
+
+	/* flush the caches if MMU flag is set */
+	if (mode & SUSP_SH_MMU)
+		flush_cache_all();
 
 	/* Let assembly snippet in on-chip memory handle the rest */
-	standby_onchip_mem(mode, ILRAM_BASE);
+	standby_onchip_mem(mode, RAM_BASE);
+
+	atomic_notifier_call_chain(&sh_mobile_post_sleep_notifier_list,
+				   mode, NULL);
+}
+
+extern char sh_mobile_sleep_enter_start;
+extern char sh_mobile_sleep_enter_end;
+
+extern char sh_mobile_sleep_resume_start;
+extern char sh_mobile_sleep_resume_end;
+
+unsigned long sh_mobile_sleep_supported = SUSP_SH_SLEEP;
+
+void sh_mobile_register_self_refresh(unsigned long flags,
+				     void *pre_start, void *pre_end,
+				     void *post_start, void *post_end)
+{
+	void *onchip_mem = (void *)RAM_BASE;
+	void *vp;
+	struct sh_sleep_data *sdp;
+	int n;
+
+	/* part 0: data area */
+	sdp = onchip_mem;
+	sdp->addr.stbcr = 0xa4150020; /* STBCR */
+	sdp->addr.bar = 0xa4150040; /* BAR */
+	sdp->addr.pteh = 0xff000000; /* PTEH */
+	sdp->addr.ptel = 0xff000004; /* PTEL */
+	sdp->addr.ttb = 0xff000008; /* TTB */
+	sdp->addr.tea = 0xff00000c; /* TEA */
+	sdp->addr.mmucr = 0xff000010; /* MMUCR */
+	sdp->addr.ptea = 0xff000034; /* PTEA */
+	sdp->addr.pascr = 0xff000070; /* PASCR */
+	sdp->addr.irmcr = 0xff000078; /* IRMCR */
+	sdp->addr.ccr = 0xff00001c; /* CCR */
+	sdp->addr.ramcr = 0xff000074; /* RAMCR */
+	vp = sdp + 1;
+
+	/* part 1: common code to enter sleep mode */
+	n = &sh_mobile_sleep_enter_end - &sh_mobile_sleep_enter_start;
+	memcpy(vp, &sh_mobile_sleep_enter_start, n);
+	vp += roundup(n, 4);
+
+	/* part 2: board specific code to enter self-refresh mode */
+	n = pre_end - pre_start;
+	memcpy(vp, pre_start, n);
+	sdp->sf_pre = (unsigned long)vp;
+	vp += roundup(n, 4);
+
+	/* part 3: board specific code to resume from self-refresh mode */
+	n = post_end - post_start;
+	memcpy(vp, post_start, n);
+	sdp->sf_post = (unsigned long)vp;
+	vp += roundup(n, 4);
+
+	/* part 4: common code to resume from sleep mode */
+	WARN_ON(vp > (onchip_mem + 0x600));
+	vp = onchip_mem + 0x600; /* located at interrupt vector */
+	n = &sh_mobile_sleep_resume_end - &sh_mobile_sleep_resume_start;
+	memcpy(vp, &sh_mobile_sleep_resume_start, n);
+	sdp->resume = (unsigned long)vp;
+
+	sh_mobile_sleep_supported |= flags;
 }
 
 static int sh_pm_enter(suspend_state_t state)
 {
+	if (!(sh_mobile_sleep_supported & SUSP_MODE_STANDBY_SF))
+		return -ENXIO;
+
 	local_irq_disable();
 	set_bl_bit();
 	sh_mobile_call_standby(SUSP_MODE_STANDBY_SF);
@@ -65,13 +147,6 @@ static struct platform_suspend_ops sh_pm_ops = {
 
 static int __init sh_pm_init(void)
 {
-	void *onchip_mem = (void *)ILRAM_BASE;
-
-	/* Copy the assembly snippet to the otherwise ununsed ILRAM */
-	memcpy(onchip_mem, sh_mobile_standby, sh_mobile_standby_size);
-	wmb();
-	ctrl_barrier();
-
 	suspend_set_ops(&sh_pm_ops);
 	sh_mobile_setup_cpuidle();
 	return 0;

arch/sh/kernel/cpu/shmobile/pm_runtime.c

@@ -45,12 +45,14 @@ static int __platform_pm_runtime_resume(struct platform_device *pdev)
 
 	dev_dbg(d, "__platform_pm_runtime_resume() [%d]\n", hwblk);
 
-	if (d->driver && d->driver->pm && d->driver->pm->runtime_resume) {
+	if (d->driver) {
 		hwblk_enable(hwblk_info, hwblk);
 		ret = 0;
 
 		if (test_bit(PDEV_ARCHDATA_FLAG_SUSP, &ad->flags)) {
+			if (d->driver->pm && d->driver->pm->runtime_resume)
 				ret = d->driver->pm->runtime_resume(d);
+
 			if (!ret)
 				clear_bit(PDEV_ARCHDATA_FLAG_SUSP, &ad->flags);
 			else
@@ -73,12 +75,15 @@ static int __platform_pm_runtime_suspend(struct platform_device *pdev)
 
 	dev_dbg(d, "__platform_pm_runtime_suspend() [%d]\n", hwblk);
 
-	if (d->driver && d->driver->pm && d->driver->pm->runtime_suspend) {
+	if (d->driver) {
 		BUG_ON(!test_bit(PDEV_ARCHDATA_FLAG_IDLE, &ad->flags));
+		ret = 0;
 
+		if (d->driver->pm && d->driver->pm->runtime_suspend) {
 			hwblk_enable(hwblk_info, hwblk);
 			ret = d->driver->pm->runtime_suspend(d);
 			hwblk_disable(hwblk_info, hwblk);
+		}
 
 		if (!ret) {
 			set_bit(PDEV_ARCHDATA_FLAG_SUSP, &ad->flags);

arch/sh/kernel/cpu/ubc.S

-/*
- * arch/sh/kernel/cpu/ubc.S
- *
- * Set of management routines for the User Break Controller (UBC)
- *
- * Copyright (C) 2002 Paul Mundt
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- */
-#include <linux/linkage.h>
-#include <asm/ubc.h>
-
-#define STBCR2		0xffc00010
-
-ENTRY(ubc_sleep)
-	mov	#0, r0
-
-	mov.l	1f, r1		! Zero out UBC_BBRA ..
-	mov.w	r0, @r1
-
-	mov.l	2f, r1		! .. same for BBRB ..
-	mov.w	r0, @r1
-
-	mov.l	3f, r1		! .. and again for BRCR.
-	mov.w	r0, @r1
-
-	mov.w	@r1, r0		! Dummy read BRCR
-
-	mov.l	4f, r1		! Set MSTP5 in STBCR2
-	mov.b	@r1, r0
-	or	#0x01, r0
-	mov.b	r0, @r1
-
-	mov.b	@r1, r0		! Two dummy reads ..
-	mov.b	@r1, r0
-
-	rts
-	nop
-
-ENTRY(ubc_wakeup)
-	mov.l	4f, r1		! Clear MSTP5
-	mov.b	@r1, r0
-	and	#0xfe, r0
-	mov.b	r0, @r1
-
-	mov.b	@r1, r0		! Two more dummy reads ..
-	mov.b	@r1, r0
-
-	rts
-	nop
-
-1:	.long	UBC_BBRA
-2:	.long	UBC_BBRB
-3:	.long	UBC_BRCR
-4:	.long	STBCR2
-

arch/sh/kernel/dma-nommu.c

+/*
+ * DMA mapping support for platforms lacking IOMMUs.
+ *
+ * Copyright (C) 2009  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#include <linux/dma-mapping.h>
+#include <linux/io.h>
+
+static dma_addr_t nommu_map_page(struct device *dev, struct page *page,
+				 unsigned long offset, size_t size,
+				 enum dma_data_direction dir,
+				 struct dma_attrs *attrs)
+{
+	dma_addr_t addr = page_to_phys(page) + offset;
+
+	WARN_ON(size == 0);
+	dma_cache_sync(dev, page_address(page) + offset, size, dir);
+
+	return addr;
+}
+
+static int nommu_map_sg(struct device *dev, struct scatterlist *sg,
+			int nents, enum dma_data_direction dir,
+			struct dma_attrs *attrs)
+{
+	struct scatterlist *s;
+	int i;
+
+	WARN_ON(nents == 0 || sg[0].length == 0);
+
+	for_each_sg(sg, s, nents, i) {
+		BUG_ON(!sg_page(s));
+
+		dma_cache_sync(dev, sg_virt(s), s->length, dir);
+
+		s->dma_address = sg_phys(s);
+		s->dma_length = s->length;
+	}
+
+	return nents;
+}
+
+#ifdef CONFIG_DMA_NONCOHERENT
+static void nommu_sync_single(struct device *dev, dma_addr_t addr,
+			      size_t size, enum dma_data_direction dir)
+{
+	dma_cache_sync(dev, phys_to_virt(addr), size, dir);
+}
+
+static void nommu_sync_sg(struct device *dev, struct scatterlist *sg,
+			  int nelems, enum dma_data_direction dir)
+{
+	struct scatterlist *s;
+	int i;
+
+	for_each_sg(sg, s, nelems, i)
+		dma_cache_sync(dev, sg_virt(s), s->length, dir);
+}
+#endif
+
+struct dma_map_ops nommu_dma_ops = {
+	.alloc_coherent		= dma_generic_alloc_coherent,
+	.free_coherent		= dma_generic_free_coherent,
+	.map_page		= nommu_map_page,
+	.map_sg			= nommu_map_sg,
+#ifdef CONFIG_DMA_NONCOHERENT
+	.sync_single_for_device	= nommu_sync_single,
+	.sync_sg_for_device	= nommu_sync_sg,
+#endif
+	.is_phys		= 1,
+};
+
+void __init no_iommu_init(void)
+{
+	if (dma_ops)
+		return;
+	dma_ops = &nommu_dma_ops;
+}

arch/sh/kernel/entry-common.S

@@ -133,7 +133,7 @@ work_pending:
 	! r8: current_thread_info
 	! t:  result of "tst	#_TIF_NEED_RESCHED, r0"
 	bf/s	work_resched
-	 tst	#(_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK), r0
+	 tst	#_TIF_SIGPENDING, r0
 work_notifysig:
 	bt/s	__restore_all
 	 mov	r15, r4

arch/sh/kernel/head_32.S

@@ -33,7 +33,7 @@ ENTRY(empty_zero_page)
 	.long	1		/* LOADER_TYPE */
 	.long	0x00000000	/* INITRD_START */
 	.long	0x00000000	/* INITRD_SIZE */
-#ifdef CONFIG_32BIT
+#if defined(CONFIG_32BIT) && defined(CONFIG_PMB_FIXED)
 	.long	0x53453f00 + 32	/* "SE?" = 32 bit */
 #else
 	.long	0x53453f00 + 29	/* "SE?" = 29 bit */

arch/sh/kernel/io_generic.c

@@ -24,7 +24,7 @@
 #define dummy_read()
 #endif
 
-unsigned long generic_io_base;
+unsigned long generic_io_base = 0;
 
 u8 generic_inb(unsigned long port)
 {
@@ -147,8 +147,10 @@ void generic_outsl(unsigned long port, const void *src, unsigned long count)
 
 void __iomem *generic_ioport_map(unsigned long addr, unsigned int size)
 {
+#ifdef P1SEG
 	if (PXSEG(addr) >= P1SEG)
 		return (void __iomem *)addr;
+#endif
 
 	return (void __iomem *)(addr + generic_io_base);
 }

arch/sh/kernel/irq.c

@@ -37,7 +37,15 @@ void ack_bad_irq(unsigned int irq)
  */
 static int show_other_interrupts(struct seq_file *p, int prec)
 {
+	int j;
+
+	seq_printf(p, "%*s: ", prec, "NMI");
+	for_each_online_cpu(j)
+		seq_printf(p, "%10u ", irq_stat[j].__nmi_count);
+	seq_printf(p, "  Non-maskable interrupts\n");
+
 	seq_printf(p, "%*s: %10u\n", prec, "ERR", atomic_read(&irq_err_count));
+
 	return 0;
 }
 
@@ -255,6 +263,12 @@ void __init init_IRQ(void)
 {
 	plat_irq_setup();
 
+	/*
+	 * Pin any of the legacy IRQ vectors that haven't already been
+	 * grabbed by the platform
+	 */
+	reserve_irq_legacy();
+
 	/* Perform the machine specific initialisation */
 	if (sh_mv.mv_init_irq)
 		sh_mv.mv_init_irq();

arch/sh/kernel/machine_kexec.c

@@ -46,12 +46,6 @@ void machine_crash_shutdown(struct pt_regs *regs)
  */
 int machine_kexec_prepare(struct kimage *image)
 {
-	/* older versions of kexec-tools are passing
-	 * the zImage entry point as a virtual address.
-	 */
-	if (image->start != PHYSADDR(image->start))
-		return -EINVAL; /* upgrade your kexec-tools */
-
 	return 0;
 }