select EMBEDDED
select HAVE_CLK
select HAVE_IDE
+ select HAVE_LMB
select HAVE_OPROFILE
select HAVE_GENERIC_DMA_COHERENT
select HAVE_IOREMAP_PROT if MMU
select HAVE_ARCH_TRACEHOOK
select HAVE_DMA_API_DEBUG
select HAVE_PERF_COUNTERS
+ select HAVE_KERNEL_GZIP
+ select HAVE_KERNEL_BZIP2
+ select HAVE_KERNEL_LZMA
select RTC_LIB
select GENERIC_ATOMIC64
help
select HAVE_FUNCTION_TRACER
select HAVE_FTRACE_MCOUNT_RECORD
select HAVE_DYNAMIC_FTRACE
+ select HAVE_FUNCTION_TRACE_MCOUNT_TEST
+ select HAVE_FTRACE_SYSCALLS
+ select HAVE_FUNCTION_GRAPH_TRACER
select HAVE_ARCH_KGDB
select ARCH_HIBERNATION_POSSIBLE if MMU
select both the EARLY_SCIF_CONSOLE and SH_STANDARD_BIOS, using
the kernel command line option to toggle back and forth.
-config DEBUG_STACKOVERFLOW
+config STACK_DEBUG
bool "Check for stack overflows"
depends on DEBUG_KERNEL && SUPERH32
help
This option will cause messages to be printed if free stack space
- drops below a certain limit.
+ drops below a certain limit. Saying Y here will add overhead to
+ every function call and will therefore incur a major
+ performance hit. Most users should say N.
config DEBUG_STACK_USAGE
bool "Stack utilization instrumentation"
bool "Debug: set SR.WATCH to enable hardware watchpoints and trace"
depends on SUPERH64
+config MCOUNT
+ def_bool y
+ depends on SUPERH32
+ depends on STACK_DEBUG || FUNCTION_TRACER
+
endmenu
KBUILD_CPPFLAGS += $(cflags-y)
KBUILD_AFLAGS += $(cflags-y)
+ifeq ($(CONFIG_MCOUNT),y)
+ KBUILD_CFLAGS += -pg
+endif
+
libs-$(CONFIG_SUPERH32) := arch/sh/lib/ $(libs-y)
libs-$(CONFIG_SUPERH64) := arch/sh/lib64/ $(libs-y)
-PHONY += maketools FORCE
+BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.srec \
+ zImage vmlinux.srec
+PHONY += maketools $(BOOT_TARGETS) FORCE
maketools: include/linux/version.h FORCE
$(Q)$(MAKE) $(build)=arch/sh/tools include/asm-sh/machtypes.h
all: $(KBUILD_IMAGE)
-zImage uImage uImage.srec vmlinux.srec: vmlinux
+$(BOOT_TARGETS): vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
compressed: zImage
$(Q)$(MAKE) $(clean)=arch/sh/kernel/vsyscall
define archhelp
- @echo '* zImage - Compressed kernel image'
+ @echo ' zImage - Compressed kernel image'
@echo ' vmlinux.srec - Create an ELF S-record'
- @echo ' uImage - Create a bootable image for U-Boot'
- @echo ' uImage.srec - Create an S-record for U-Boot'
+ @echo '* uImage - Alias to bootable U-Boot image'
+ @echo ' uImage.srec - Create an S-record for U-Boot'
+ @echo '* uImage.gz - Kernel-only image for U-Boot (gzip)'
+ @echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)'
+ @echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)'
endef
CLEAN_FILES += include/asm-sh/machtypes.h
};
static struct r8a66597_platdata sh7724_usb0_host_data = {
+ .on_chip = 1,
};
static struct resource sh7724_usb0_host_resources[] = {
zImage
-vmlinux.srec
-uImage
-uImage.srec
+vmlinux*
+uImage*
CONFIG_ZERO_PAGE_OFFSET ?= 0x00001000
CONFIG_ENTRY_OFFSET ?= 0x00001000
-targets := zImage vmlinux.srec uImage uImage.srec
+suffix-$(CONFIG_KERNEL_GZIP) := gz
+suffix-$(CONFIG_KERNEL_BZIP2) := bz2
+suffix-$(CONFIG_KERNEL_LZMA) := lzma
+
+targets := zImage vmlinux.srec uImage uImage.srec uImage.gz uImage.bz2 uImage.lzma
+extra-y += vmlinux.bin vmlinux.bin.gz vmlinux.bin.bz2 vmlinux.bin.lzma
subdir- := compressed
$(obj)/zImage: $(obj)/compressed/vmlinux FORCE
$$[$(CONFIG_MEMORY_START)]')
endif
-export CONFIG_PAGE_OFFSET CONFIG_MEMORY_START CONFIG_BOOT_LINK_OFFSET \
- CONFIG_ZERO_PAGE_OFFSET CONFIG_ENTRY_OFFSET KERNEL_MEMORY
-
KERNEL_LOAD := $(shell /bin/bash -c 'printf "0x%08x" \
$$[$(CONFIG_PAGE_OFFSET) + \
$(KERNEL_MEMORY) + \
quiet_cmd_uimage = UIMAGE $@
cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A sh -O linux -T kernel \
- -C gzip -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \
+ -C $(2) -a $(KERNEL_LOAD) -e $(KERNEL_ENTRY) \
-n 'Linux-$(KERNELRELEASE)' -d $< $@
-$(obj)/uImage: $(obj)/vmlinux.bin.gz FORCE
- $(call if_changed,uimage)
- @echo ' Image $@ is ready'
-
$(obj)/vmlinux.bin: vmlinux FORCE
$(call if_changed,objcopy)
$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
$(call if_changed,gzip)
+$(obj)/vmlinux.bin.bz2: $(obj)/vmlinux.bin FORCE
+ $(call if_changed,bzip2)
+
+$(obj)/vmlinux.bin.lzma: $(obj)/vmlinux.bin FORCE
+ $(call if_changed,lzma)
+
+$(obj)/uImage.bz2: $(obj)/vmlinux.bin.bz2
+ $(call if_changed,uimage,bzip2)
+
+$(obj)/uImage.gz: $(obj)/vmlinux.bin.gz
+ $(call if_changed,uimage,gzip)
+
+$(obj)/uImage.lzma: $(obj)/vmlinux.bin.lzma
+ $(call if_changed,uimage,lzma)
+
OBJCOPYFLAGS_vmlinux.srec := -I binary -O srec
$(obj)/vmlinux.srec: $(obj)/compressed/vmlinux
$(call if_changed,objcopy)
$(obj)/uImage.srec: $(obj)/uImage
$(call if_changed,objcopy)
-clean-files += uImage uImage.srec vmlinux.srec \
- vmlinux.bin vmlinux.bin.gz
+$(obj)/uImage: $(obj)/uImage.$(suffix-y)
+ @ln -sf $(notdir $<) $@
+ @echo ' Image $@ is ready'
+
+export CONFIG_PAGE_OFFSET CONFIG_MEMORY_START CONFIG_BOOT_LINK_OFFSET \
+ CONFIG_ZERO_PAGE_OFFSET CONFIG_ENTRY_OFFSET KERNEL_MEMORY suffix-y
--- /dev/null
+vmlinux.bin.*
#
targets := vmlinux vmlinux.bin vmlinux.bin.gz \
- head_$(BITS).o misc_$(BITS).o piggy.o
+ vmlinux.bin.bz2 vmlinux.bin.lzma \
+ head_$(BITS).o misc.o piggy.o
-OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc_$(BITS).o $(obj)/cache.o
+OBJECTS = $(obj)/head_$(BITS).o $(obj)/misc.o $(obj)/cache.o
ifdef CONFIG_SH_STANDARD_BIOS
OBJECTS += $(obj)/../../kernel/sh_bios.o
LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
-ifeq ($(CONFIG_FUNCTION_TRACER),y)
+ifeq ($(CONFIG_MCOUNT),y)
ORIG_CFLAGS := $(KBUILD_CFLAGS)
KBUILD_CFLAGS = $(subst -pg, , $(ORIG_CFLAGS))
endif
$(obj)/vmlinux.bin: vmlinux FORCE
$(call if_changed,objcopy)
-$(obj)/vmlinux.bin.gz: $(obj)/vmlinux.bin FORCE
+vmlinux.bin.all-y := $(obj)/vmlinux.bin
+
+$(obj)/vmlinux.bin.gz: $(vmlinux.bin.all-y) FORCE
$(call if_changed,gzip)
+$(obj)/vmlinux.bin.bz2: $(vmlinux.bin.all-y) FORCE
+ $(call if_changed,bzip2)
+$(obj)/vmlinux.bin.lzma: $(vmlinux.bin.all-y) FORCE
+ $(call if_changed,lzma)
OBJCOPYFLAGS += -R .empty_zero_page
-$(obj)/piggy.o: $(obj)/piggy.S $(obj)/vmlinux.bin.gz FORCE
- $(call if_changed,as_o_S)
+LDFLAGS_piggy.o := -r --format binary --oformat $(ld-bfd) -T
+
+$(obj)/piggy.o: $(obj)/vmlinux.scr $(obj)/vmlinux.bin.$(suffix-y) FORCE
+ $(call if_changed,ld)
--- /dev/null
+/*
+ * arch/sh/boot/compressed/misc.c
+ *
+ * This is a collection of several routines from gzip-1.0.3
+ * adapted for Linux.
+ *
+ * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
+ *
+ * Adapted for SH by Stuart Menefy, Aug 1999
+ *
+ * Modified to use standard LinuxSH BIOS by Greg Banks 7Jul2000
+ */
+
+#include <asm/uaccess.h>
+#include <asm/addrspace.h>
+#include <asm/page.h>
+#include <asm/sh_bios.h>
+
+/*
+ * gzip declarations
+ */
+
+#define STATIC static
+
+#undef memset
+#undef memcpy
+#define memzero(s, n) memset ((s), 0, (n))
+
+/* cache.c */
+#define CACHE_ENABLE 0
+#define CACHE_DISABLE 1
+int cache_control(unsigned int command);
+
+extern char input_data[];
+extern int input_len;
+static unsigned char *output;
+
+static void error(char *m);
+
+int puts(const char *);
+
+extern int _text; /* Defined in vmlinux.lds.S */
+extern int _end;
+static unsigned long free_mem_ptr;
+static unsigned long free_mem_end_ptr;
+
+#ifdef CONFIG_HAVE_KERNEL_BZIP2
+#define HEAP_SIZE 0x400000
+#else
+#define HEAP_SIZE 0x10000
+#endif
+
+#ifdef CONFIG_KERNEL_GZIP
+#include "../../../../lib/decompress_inflate.c"
+#endif
+
+#ifdef CONFIG_KERNEL_BZIP2
+#include "../../../../lib/decompress_bunzip2.c"
+#endif
+
+#ifdef CONFIG_KERNEL_LZMA
+#include "../../../../lib/decompress_unlzma.c"
+#endif
+
+#ifdef CONFIG_SH_STANDARD_BIOS
+size_t strlen(const char *s)
+{
+ int i = 0;
+
+ while (*s++)
+ i++;
+ return i;
+}
+
+int puts(const char *s)
+{
+ int len = strlen(s);
+ sh_bios_console_write(s, len);
+ return len;
+}
+#else
+int puts(const char *s)
+{
+ /* This should be updated to use the sh-sci routines */
+ return 0;
+}
+#endif
+
+void* memset(void* s, int c, size_t n)
+{
+ int i;
+ char *ss = (char*)s;
+
+ for (i=0;i<n;i++) ss[i] = c;
+ return s;
+}
+
+void* memcpy(void* __dest, __const void* __src,
+ size_t __n)
+{
+ int i;
+ char *d = (char *)__dest, *s = (char *)__src;
+
+ for (i=0;i<__n;i++) d[i] = s[i];
+ return __dest;
+}
+
+static void error(char *x)
+{
+ puts("\n\n");
+ puts(x);
+ puts("\n\n -- System halted");
+
+ while(1); /* Halt */
+}
+
+#ifdef CONFIG_SUPERH64
+#define stackalign 8
+#else
+#define stackalign 4
+#endif
+
+#define STACK_SIZE (4096)
+long __attribute__ ((aligned(stackalign))) user_stack[STACK_SIZE];
+long *stack_start = &user_stack[STACK_SIZE];
+
+void decompress_kernel(void)
+{
+ unsigned long output_addr;
+
+#ifdef CONFIG_SUPERH64
+ output_addr = (CONFIG_MEMORY_START + 0x2000);
+#else
+ output_addr = PHYSADDR((unsigned long)&_text+PAGE_SIZE);
+#ifdef CONFIG_29BIT
+ output_addr |= P2SEG;
+#endif
+#endif
+
+ output = (unsigned char *)output_addr;
+ free_mem_ptr = (unsigned long)&_end;
+ free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
+
+ puts("Uncompressing Linux... ");
+ cache_control(CACHE_ENABLE);
+ decompress(input_data, input_len, NULL, NULL, output, NULL, error);
+ cache_control(CACHE_DISABLE);
+ puts("Ok, booting the kernel.\n");
+}
+++ /dev/null
-/*
- * arch/sh/boot/compressed/misc.c
- *
- * This is a collection of several routines from gzip-1.0.3
- * adapted for Linux.
- *
- * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
- *
- * Adapted for SH by Stuart Menefy, Aug 1999
- *
- * Modified to use standard LinuxSH BIOS by Greg Banks 7Jul2000
- */
-
-#include <asm/uaccess.h>
-#include <asm/addrspace.h>
-#include <asm/page.h>
-#ifdef CONFIG_SH_STANDARD_BIOS
-#include <asm/sh_bios.h>
-#endif
-
-/*
- * gzip declarations
- */
-
-#define OF(args) args
-#define STATIC static
-
-#undef memset
-#undef memcpy
-#define memzero(s, n) memset ((s), 0, (n))
-
-typedef unsigned char uch;
-typedef unsigned short ush;
-typedef unsigned long ulg;
-
-#define WSIZE 0x8000 /* Window size must be at least 32k, */
- /* and a power of two */
-
-static uch *inbuf; /* input buffer */
-static uch window[WSIZE]; /* Sliding window buffer */
-
-static unsigned insize = 0; /* valid bytes in inbuf */
-static unsigned inptr = 0; /* index of next byte to be processed in inbuf */
-static unsigned outcnt = 0; /* bytes in output buffer */
-
-/* gzip flag byte */
-#define ASCII_FLAG 0x01 /* bit 0 set: file probably ASCII text */
-#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
-#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
-#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
-#define COMMENT 0x10 /* bit 4 set: file comment present */
-#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
-#define RESERVED 0xC0 /* bit 6,7: reserved */
-
-#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf())
-
-/* Diagnostic functions */
-#ifdef DEBUG
-# define Assert(cond,msg) {if(!(cond)) error(msg);}
-# define Trace(x) fprintf x
-# define Tracev(x) {if (verbose) fprintf x ;}
-# define Tracevv(x) {if (verbose>1) fprintf x ;}
-# define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
-# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
-#else
-# define Assert(cond,msg)
-# define Trace(x)
-# define Tracev(x)
-# define Tracevv(x)
-# define Tracec(c,x)
-# define Tracecv(c,x)
-#endif
-
-static int fill_inbuf(void);
-static void flush_window(void);
-static void error(char *m);
-
-extern char input_data[];
-extern int input_len;
-
-static long bytes_out = 0;
-static uch *output_data;
-static unsigned long output_ptr = 0;
-
-static void error(char *m);
-
-int puts(const char *);
-
-extern int _text; /* Defined in vmlinux.lds.S */
-extern int _end;
-static unsigned long free_mem_ptr;
-static unsigned long free_mem_end_ptr;
-
-#define HEAP_SIZE 0x10000
-
-#include "../../../../lib/inflate.c"
-
-#ifdef CONFIG_SH_STANDARD_BIOS
-size_t strlen(const char *s)
-{
- int i = 0;
-
- while (*s++)
- i++;
- return i;
-}
-
-int puts(const char *s)
-{
- int len = strlen(s);
- sh_bios_console_write(s, len);
- return len;
-}
-#else
-int puts(const char *s)
-{
- /* This should be updated to use the sh-sci routines */
- return 0;
-}
-#endif
-
-void* memset(void* s, int c, size_t n)
-{
- int i;
- char *ss = (char*)s;
-
- for (i=0;i<n;i++) ss[i] = c;
- return s;
-}
-
-void* memcpy(void* __dest, __const void* __src,
- size_t __n)
-{
- int i;
- char *d = (char *)__dest, *s = (char *)__src;
-
- for (i=0;i<__n;i++) d[i] = s[i];
- return __dest;
-}
-
-/* ===========================================================================
- * Fill the input buffer. This is called only when the buffer is empty
- * and at least one byte is really needed.
- */
-static int fill_inbuf(void)
-{
- if (insize != 0) {
- error("ran out of input data");
- }
-
- inbuf = input_data;
- insize = input_len;
- inptr = 1;
- return inbuf[0];
-}
-
-/* ===========================================================================
- * Write the output window window[0..outcnt-1] and update crc and bytes_out.
- * (Used for the decompressed data only.)
- */
-static void flush_window(void)
-{
- ulg c = crc; /* temporary variable */
- unsigned n;
- uch *in, *out, ch;
-
- in = window;
- out = &output_data[output_ptr];
- for (n = 0; n < outcnt; n++) {
- ch = *out++ = *in++;
- c = crc_32_tab[((int)c ^ ch) & 0xff] ^ (c >> 8);
- }
- crc = c;
- bytes_out += (ulg)outcnt;
- output_ptr += (ulg)outcnt;
- outcnt = 0;
-}
-
-static void error(char *x)
-{
- puts("\n\n");
- puts(x);
- puts("\n\n -- System halted");
-
- while(1); /* Halt */
-}
-
-#define STACK_SIZE (4096)
-long user_stack [STACK_SIZE];
-long* stack_start = &user_stack[STACK_SIZE];
-
-void decompress_kernel(void)
-{
- output_data = NULL;
- output_ptr = PHYSADDR((unsigned long)&_text+PAGE_SIZE);
-#ifdef CONFIG_29BIT
- output_ptr |= P2SEG;
-#endif
- free_mem_ptr = (unsigned long)&_end;
- free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
-
- makecrc();
- puts("Uncompressing Linux... ");
- gunzip();
- puts("Ok, booting the kernel.\n");
-}
+++ /dev/null
-/*
- * arch/sh/boot/compressed/misc_64.c
- *
- * This is a collection of several routines from gzip-1.0.3
- * adapted for Linux.
- *
- * malloc by Hannu Savolainen 1993 and Matthias Urlichs 1994
- *
- * Adapted for SHmedia from sh by Stuart Menefy, May 2002
- */
-
-#include <asm/uaccess.h>
-
-/* cache.c */
-#define CACHE_ENABLE 0
-#define CACHE_DISABLE 1
-int cache_control(unsigned int command);
-
-/*
- * gzip declarations
- */
-
-#define OF(args) args
-#define STATIC static
-
-#undef memset
-#undef memcpy
-#define memzero(s, n) memset ((s), 0, (n))
-
-typedef unsigned char uch;
-typedef unsigned short ush;
-typedef unsigned long ulg;
-
-#define WSIZE 0x8000 /* Window size must be at least 32k, */
- /* and a power of two */
-
-static uch *inbuf; /* input buffer */
-static uch window[WSIZE]; /* Sliding window buffer */
-
-static unsigned insize = 0; /* valid bytes in inbuf */
-static unsigned inptr = 0; /* index of next byte to be processed in inbuf */
-static unsigned outcnt = 0; /* bytes in output buffer */
-
-/* gzip flag byte */
-#define ASCII_FLAG 0x01 /* bit 0 set: file probably ASCII text */
-#define CONTINUATION 0x02 /* bit 1 set: continuation of multi-part gzip file */
-#define EXTRA_FIELD 0x04 /* bit 2 set: extra field present */
-#define ORIG_NAME 0x08 /* bit 3 set: original file name present */
-#define COMMENT 0x10 /* bit 4 set: file comment present */
-#define ENCRYPTED 0x20 /* bit 5 set: file is encrypted */
-#define RESERVED 0xC0 /* bit 6,7: reserved */
-
-#define get_byte() (inptr < insize ? inbuf[inptr++] : fill_inbuf())
-
-/* Diagnostic functions */
-#ifdef DEBUG
-# define Assert(cond,msg) {if(!(cond)) error(msg);}
-# define Trace(x) fprintf x
-# define Tracev(x) {if (verbose) fprintf x ;}
-# define Tracevv(x) {if (verbose>1) fprintf x ;}
-# define Tracec(c,x) {if (verbose && (c)) fprintf x ;}
-# define Tracecv(c,x) {if (verbose>1 && (c)) fprintf x ;}
-#else
-# define Assert(cond,msg)
-# define Trace(x)
-# define Tracev(x)
-# define Tracevv(x)
-# define Tracec(c,x)
-# define Tracecv(c,x)
-#endif
-
-static int fill_inbuf(void);
-static void flush_window(void);
-static void error(char *m);
-
-extern char input_data[];
-extern int input_len;
-
-static long bytes_out = 0;
-static uch *output_data;
-static unsigned long output_ptr = 0;
-
-static void error(char *m);
-
-static void puts(const char *);
-
-extern int _text; /* Defined in vmlinux.lds.S */
-extern int _end;
-static unsigned long free_mem_ptr;
-static unsigned long free_mem_end_ptr;
-
-#define HEAP_SIZE 0x10000
-
-#include "../../../../lib/inflate.c"
-
-void puts(const char *s)
-{
-}
-
-void *memset(void *s, int c, size_t n)
-{
- int i;
- char *ss = (char *) s;
-
- for (i = 0; i < n; i++)
- ss[i] = c;
- return s;
-}
-
-void *memcpy(void *__dest, __const void *__src, size_t __n)
-{
- int i;
- char *d = (char *) __dest, *s = (char *) __src;
-
- for (i = 0; i < __n; i++)
- d[i] = s[i];
- return __dest;
-}
-
-/* ===========================================================================
- * Fill the input buffer. This is called only when the buffer is empty
- * and at least one byte is really needed.
- */
-static int fill_inbuf(void)
-{
- if (insize != 0) {
- error("ran out of input data\n");
- }
-
- inbuf = input_data;
- insize = input_len;
- inptr = 1;
- return inbuf[0];
-}
-
-/* ===========================================================================
- * Write the output window window[0..outcnt-1] and update crc and bytes_out.
- * (Used for the decompressed data only.)
- */
-static void flush_window(void)
-{
- ulg c = crc; /* temporary variable */
- unsigned n;
- uch *in, *out, ch;
-
- in = window;
- out = &output_data[output_ptr];
- for (n = 0; n < outcnt; n++) {
- ch = *out++ = *in++;
- c = crc_32_tab[((int) c ^ ch) & 0xff] ^ (c >> 8);
- }
- crc = c;
- bytes_out += (ulg) outcnt;
- output_ptr += (ulg) outcnt;
- outcnt = 0;
- puts(".");
-}
-
-static void error(char *x)
-{
- puts("\n\n");
- puts(x);
- puts("\n\n -- System halted");
-
- while (1) ; /* Halt */
-}
-
-#define STACK_SIZE (4096)
-long __attribute__ ((aligned(8))) user_stack[STACK_SIZE];
-long *stack_start = &user_stack[STACK_SIZE];
-
-void decompress_kernel(void)
-{
- output_data = (uch *) (CONFIG_MEMORY_START + 0x2000);
- free_mem_ptr = (unsigned long) &_end;
- free_mem_end_ptr = free_mem_ptr + HEAP_SIZE;
-
- makecrc();
- puts("Uncompressing Linux... ");
- cache_control(CACHE_ENABLE);
- gunzip();
- puts("\n");
-
-#if 0
- /* When booting from ROM may want to do something like this if the
- * boot loader doesn't.
- */
-
- /* Set up the parameters and command line */
- {
- volatile unsigned int *parambase =
- (int *) (CONFIG_MEMORY_START + 0x1000);
-
- parambase[0] = 0x1; /* MOUNT_ROOT_RDONLY */
- parambase[1] = 0x0; /* RAMDISK_FLAGS */
- parambase[2] = 0x0200; /* ORIG_ROOT_DEV */
- parambase[3] = 0x0; /* LOADER_TYPE */
- parambase[4] = 0x0; /* INITRD_START */
- parambase[5] = 0x0; /* INITRD_SIZE */
- parambase[6] = 0;
-
- strcpy((char *) ((int) parambase + 0x100),
- "console=ttySC0,38400");
- }
-#endif
-
- puts("Ok, booting the kernel.\n");
-
- cache_control(CACHE_DISABLE);
-}
+++ /dev/null
- .global input_len, input_data
- .data
-input_len:
- .long input_data_end - input_data
-input_data:
- .incbin "arch/sh/boot/compressed/vmlinux.bin.gz"
-input_data_end:
- .end
--- /dev/null
+SECTIONS
+{
+ .rodata.compressed : {
+ input_len = .;
+ LONG(input_data_end - input_data) input_data = .;
+ *(.data)
+ output_len = . - 4;
+ input_data_end = .;
+ }
+}
#define MCOUNT_ADDR ((long)(mcount))
#ifdef CONFIG_DYNAMIC_FTRACE
-#define CALLER_ADDR ((long)(ftrace_caller))
+#define CALL_ADDR ((long)(ftrace_call))
#define STUB_ADDR ((long)(ftrace_stub))
+#define GRAPH_ADDR ((long)(ftrace_graph_call))
+#define CALLER_ADDR ((long)(ftrace_caller))
-#define MCOUNT_INSN_OFFSET ((STUB_ADDR - CALLER_ADDR) >> 1)
+#define MCOUNT_INSN_OFFSET ((STUB_ADDR - CALL_ADDR) - 4)
+#define GRAPH_INSN_OFFSET ((CALLER_ADDR - GRAPH_ADDR) - 4)
struct dyn_arch_ftrace {
/* No extra data needed on sh */
--- /dev/null
+#ifndef __ASM_SH_HWBLK_H
+#define __ASM_SH_HWBLK_H
+
+#include <asm/clock.h>
+#include <asm/io.h>
+
+#define HWBLK_CNT_USAGE 0
+#define HWBLK_CNT_NR 1
+
+#define HWBLK_AREA_FLAG_PARENT (1 << 0) /* valid parent */
+
+#define HWBLK_AREA(_flags, _parent) \
+{ \
+ .flags = _flags, \
+ .parent = _parent, \
+}
+
+struct hwblk_area {
+ int cnt[HWBLK_CNT_NR];
+ unsigned char parent;
+ unsigned char flags;
+};
+
+#define HWBLK(_mstp, _bit, _area) \
+{ \
+ .mstp = (void __iomem *)_mstp, \
+ .bit = _bit, \
+ .area = _area, \
+}
+
+struct hwblk {
+ void __iomem *mstp;
+ unsigned char bit;
+ unsigned char area;
+ int cnt[HWBLK_CNT_NR];
+};
+
+struct hwblk_info {
+ struct hwblk_area *areas;
+ int nr_areas;
+ struct hwblk *hwblks;
+ int nr_hwblks;
+};
+
+/* Should be defined by processor-specific code */
+int arch_hwblk_init(void);
+int arch_hwblk_sleep_mode(void);
+
+int hwblk_register(struct hwblk_info *info);
+int hwblk_init(void);
+
+void hwblk_enable(struct hwblk_info *info, int hwblk);
+void hwblk_disable(struct hwblk_info *info, int hwblk);
+
+void hwblk_cnt_inc(struct hwblk_info *info, int hwblk, int cnt);
+void hwblk_cnt_dec(struct hwblk_info *info, int hwblk, int cnt);
+
+/* allow clocks to enable and disable hardware blocks */
+#define SH_HWBLK_CLK(_name, _id, _parent, _hwblk, _flags) \
+{ \
+ .name = _name, \
+ .id = _id, \
+ .parent = _parent, \
+ .arch_flags = _hwblk, \
+ .flags = _flags, \
+}
+
+int sh_hwblk_clk_register(struct clk *clks, int nr);
+
+#endif /* __ASM_SH_HWBLK_H */
--- /dev/null
+#ifndef __ASM_SH_LMB_H
+#define __ASM_SH_LMB_H
+
+#define LMB_REAL_LIMIT 0
+
+#endif /* __ASM_SH_LMB_H */
struct pt_regs user_regs;
unsigned long bank1_regs[8];
};
+
+void sh_mobile_call_standby(unsigned long mode);
+
+#ifdef CONFIG_CPU_IDLE
+void sh_mobile_setup_cpuidle(void);
+#else
+static inline void sh_mobile_setup_cpuidle(void) {}
+#endif
+
#endif
/* flags passed to assembly suspend code */
case 3: args[2] = regs->regs[6];
case 2: args[1] = regs->regs[5];
case 1: args[0] = regs->regs[4];
+ case 0:
break;
default:
BUG();
extern struct thread_info *alloc_thread_info(struct task_struct *tsk);
extern void free_thread_info(struct thread_info *ti);
-
+
#endif /* THREAD_SHIFT < PAGE_SHIFT */
#endif /* __ASSEMBLY__ */
#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_FTRACE 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_SYSCALL_AUDIT (1 << TIF_SYSCALL_AUDIT)
#define _TIF_SECCOMP (1 << TIF_SECCOMP)
#define _TIF_NOTIFY_RESUME (1 << TIF_NOTIFY_RESUME)
+#define _TIF_SYSCALL_FTRACE (1 << TIF_SYSCALL_FTRACE)
#define _TIF_USEDFPU (1 << TIF_USEDFPU)
#define _TIF_POLLING_NRFLAG (1 << TIF_POLLING_NRFLAG)
#define _TIF_FREEZE (1 << TIF_FREEZE)
/*
- * _TIF_ALLWORK_MASK and _TIF_WORK_MASK need to fit within a byte, or we
+ * _TIF_ALLWORK_MASK and _TIF_WORK_MASK need to fit within 2 bytes, or we
* blow the tst immediate size constraints and need to fix up
* arch/sh/kernel/entry-common.S.
*/
/* work to do in syscall trace */
#define _TIF_WORK_SYSCALL_MASK (_TIF_SYSCALL_TRACE | _TIF_SINGLESTEP | \
- _TIF_SYSCALL_AUDIT | _TIF_SECCOMP)
+ _TIF_SYSCALL_AUDIT | _TIF_SECCOMP | \
+ _TIF_SYSCALL_FTRACE)
/* 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_NOTIFY_RESUME | _TIF_SYSCALL_FTRACE)
/* work to do on interrupt/exception return */
#define _TIF_WORK_MASK (_TIF_ALLWORK_MASK & ~(_TIF_SYSCALL_TRACE | \
GPIO_FN_KEYOUT3, GPIO_FN_KEYOUT4_IN6, GPIO_FN_KEYOUT5_IN5,
};
+enum {
+ HWBLK_UNKNOWN = 0,
+ HWBLK_TLB, HWBLK_IC, HWBLK_OC, HWBLK_URAM, HWBLK_XYMEM,
+ HWBLK_INTC, HWBLK_DMAC, HWBLK_SHYWAY, HWBLK_HUDI,
+ HWBLK_UBC, HWBLK_TMU, HWBLK_CMT, HWBLK_RWDT, HWBLK_FLCTL,
+ HWBLK_SCIF0, HWBLK_SCIF1, HWBLK_SCIF2, HWBLK_SIO,
+ HWBLK_SIOF0, HWBLK_SIOF1, HWBLK_IIC, HWBLK_RTC,
+ HWBLK_TPU, HWBLK_IRDA, HWBLK_SDHI, HWBLK_SIM, HWBLK_KEYSC,
+ HWBLK_TSIF, HWBLK_USBF, HWBLK_2DG, HWBLK_SIU, HWBLK_VOU,
+ HWBLK_JPU, HWBLK_BEU, HWBLK_CEU, HWBLK_VEU, HWBLK_VPU,
+ HWBLK_LCDC,
+ HWBLK_NR,
+};
+
#endif /* __ASM_SH7722_H__ */
GPIO_FN_IDEA1, GPIO_FN_IDEA0,
};
+enum {
+ HWBLK_UNKNOWN = 0,
+ HWBLK_TLB, HWBLK_IC, HWBLK_OC, HWBLK_L2C, HWBLK_ILMEM, HWBLK_FPU,
+ HWBLK_INTC, HWBLK_DMAC0, HWBLK_SHYWAY,
+ HWBLK_HUDI, HWBLK_DBG, HWBLK_UBC, HWBLK_SUBC,
+ HWBLK_TMU0, HWBLK_CMT, HWBLK_RWDT, HWBLK_DMAC1, HWBLK_TMU1,
+ HWBLK_FLCTL,
+ HWBLK_SCIF0, HWBLK_SCIF1, HWBLK_SCIF2,
+ HWBLK_SCIF3, HWBLK_SCIF4, HWBLK_SCIF5,
+ HWBLK_MSIOF0, HWBLK_MSIOF1, HWBLK_MERAM, HWBLK_IIC, HWBLK_RTC,
+ HWBLK_ATAPI, HWBLK_ADC, HWBLK_TPU, HWBLK_IRDA, HWBLK_TSIF, HWBLK_ICB,
+ HWBLK_SDHI0, HWBLK_SDHI1, HWBLK_KEYSC, HWBLK_USB,
+ HWBLK_2DG, HWBLK_SIU, HWBLK_VEU2H1, HWBLK_VOU, HWBLK_BEU, HWBLK_CEU,
+ HWBLK_VEU2H0, HWBLK_VPU, HWBLK_LCDC,
+ HWBLK_NR,
+};
+
#endif /* __ASM_SH7723_H__ */
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
DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
DEFINE(TI_PRE_COUNT, offsetof(struct thread_info, preempt_count));
DEFINE(TI_RESTART_BLOCK,offsetof(struct thread_info, restart_block));
+ DEFINE(TI_SIZE, sizeof(struct thread_info));
#ifdef CONFIG_HIBERNATION
DEFINE(PBE_ADDRESS, offsetof(struct pbe, address));
obj-$(CONFIG_SH_ADC) += adc.o
obj-$(CONFIG_SH_CLK_CPG) += clock-cpg.o
-obj-y += irq/ init.o clock.o
+obj-y += irq/ init.o clock.o hwblk.o
--- /dev/null
+#include <linux/clk.h>
+#include <linux/compiler.h>
+#include <linux/slab.h>
+#include <linux/io.h>
+#include <linux/spinlock.h>
+#include <asm/suspend.h>
+#include <asm/hwblk.h>
+#include <asm/clock.h>
+
+static DEFINE_SPINLOCK(hwblk_lock);
+
+static void hwblk_area_mod_cnt(struct hwblk_info *info,
+ int area, int counter, int value, int goal)
+{
+ struct hwblk_area *hap = info->areas + area;
+
+ hap->cnt[counter] += value;
+
+ if (hap->cnt[counter] != goal)
+ return;
+
+ if (hap->flags & HWBLK_AREA_FLAG_PARENT)
+ hwblk_area_mod_cnt(info, hap->parent, counter, value, goal);
+}
+
+
+static int __hwblk_mod_cnt(struct hwblk_info *info, int hwblk,
+ int counter, int value, int goal)
+{
+ struct hwblk *hp = info->hwblks + hwblk;
+
+ hp->cnt[counter] += value;
+ if (hp->cnt[counter] == goal)
+ hwblk_area_mod_cnt(info, hp->area, counter, value, goal);
+
+ return hp->cnt[counter];
+}
+
+static void hwblk_mod_cnt(struct hwblk_info *info, int hwblk,
+ int counter, int value, int goal)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&hwblk_lock, flags);
+ __hwblk_mod_cnt(info, hwblk, counter, value, goal);
+ spin_unlock_irqrestore(&hwblk_lock, flags);
+}
+
+void hwblk_cnt_inc(struct hwblk_info *info, int hwblk, int counter)
+{
+ hwblk_mod_cnt(info, hwblk, counter, 1, 1);
+}
+
+void hwblk_cnt_dec(struct hwblk_info *info, int hwblk, int counter)
+{
+ hwblk_mod_cnt(info, hwblk, counter, -1, 0);
+}
+
+void hwblk_enable(struct hwblk_info *info, int hwblk)
+{
+ struct hwblk *hp = info->hwblks + hwblk;
+ unsigned long tmp;
+ unsigned long flags;
+ int ret;
+
+ spin_lock_irqsave(&hwblk_lock, flags);
+
+ ret = __hwblk_mod_cnt(info, hwblk, HWBLK_CNT_USAGE, 1, 1);
+ if (ret == 1) {
+ tmp = __raw_readl(hp->mstp);
+ tmp &= ~(1 << hp->bit);
+ __raw_writel(tmp, hp->mstp);
+ }
+
+ spin_unlock_irqrestore(&hwblk_lock, flags);
+}
+
+void hwblk_disable(struct hwblk_info *info, int hwblk)
+{
+ struct hwblk *hp = info->hwblks + hwblk;
+ unsigned long tmp;
+ unsigned long flags;
+ int ret;
+
+ spin_lock_irqsave(&hwblk_lock, flags);
+
+ ret = __hwblk_mod_cnt(info, hwblk, HWBLK_CNT_USAGE, -1, 0);
+ if (ret == 0) {
+ tmp = __raw_readl(hp->mstp);
+ tmp |= 1 << hp->bit;
+ __raw_writel(tmp, hp->mstp);
+ }
+
+ spin_unlock_irqrestore(&hwblk_lock, flags);
+}
+
+struct hwblk_info *hwblk_info;
+
+int __init hwblk_register(struct hwblk_info *info)
+{
+ hwblk_info = info;
+ return 0;
+}
+
+int __init __weak arch_hwblk_init(void)
+{
+ return 0;
+}
+
+int __weak arch_hwblk_sleep_mode(void)
+{
+ return SUSP_SH_SLEEP;
+}
+
+int __init hwblk_init(void)
+{
+ return arch_hwblk_init();
+}
+
+/* allow clocks to enable and disable hardware blocks */
+static int sh_hwblk_clk_enable(struct clk *clk)
+{
+ if (!hwblk_info)
+ return -ENOENT;
+
+ hwblk_enable(hwblk_info, clk->arch_flags);
+ return 0;
+}
+
+static void sh_hwblk_clk_disable(struct clk *clk)
+{
+ if (hwblk_info)
+ hwblk_disable(hwblk_info, clk->arch_flags);
+}
+
+static struct clk_ops sh_hwblk_clk_ops = {
+ .enable = sh_hwblk_clk_enable,
+ .disable = sh_hwblk_clk_disable,
+ .recalc = followparent_recalc,
+};
+
+int __init sh_hwblk_clk_register(struct clk *clks, int nr)
+{
+ struct clk *clkp;
+ int ret = 0;
+ int k;
+
+ for (k = 0; !ret && (k < nr); k++) {
+ clkp = clks + k;
+ clkp->ops = &sh_hwblk_clk_ops;
+ ret |= clk_register(clkp);
+ }
+
+ return ret;
+}
clock-$(CONFIG_CPU_SUBTYPE_SH7785) := clock-sh7785.o
clock-$(CONFIG_CPU_SUBTYPE_SH7786) := clock-sh7786.o
clock-$(CONFIG_CPU_SUBTYPE_SH7343) := clock-sh7343.o
-clock-$(CONFIG_CPU_SUBTYPE_SH7722) := clock-sh7722.o
-clock-$(CONFIG_CPU_SUBTYPE_SH7723) := clock-sh7723.o
+clock-$(CONFIG_CPU_SUBTYPE_SH7722) := clock-sh7722.o hwblk-sh7722.o
+clock-$(CONFIG_CPU_SUBTYPE_SH7723) := clock-sh7723.o hwblk-sh7723.o
clock-$(CONFIG_CPU_SUBTYPE_SH7724) := clock-sh7724.o
clock-$(CONFIG_CPU_SUBTYPE_SH7366) := clock-sh7366.o
clock-$(CONFIG_CPU_SUBTYPE_SHX3) := clock-shx3.o
#include <linux/kernel.h>
#include <linux/io.h>
#include <asm/clock.h>
+#include <asm/hwblk.h>
+#include <cpu/sh7722.h>
/* SH7722 registers */
#define FRQCR 0xa4150000
SH_CLK_DIV6("video_clk", &pll_clk, VCLKCR, 0),
};
-#define MSTP(_str, _parent, _reg, _bit, _flags) \
- SH_CLK_MSTP32(_str, -1, _parent, _reg, _bit, _flags)
+#define R_CLK &r_clk
+#define P_CLK &div4_clks[DIV4_P]
+#define B_CLK &div4_clks[DIV4_B]
+#define U_CLK &div4_clks[DIV4_U]
static struct clk mstp_clks[] = {
- MSTP("uram0", &div4_clks[DIV4_U], MSTPCR0, 28, CLK_ENABLE_ON_INIT),
- MSTP("xymem0", &div4_clks[DIV4_B], MSTPCR0, 26, CLK_ENABLE_ON_INIT),
- MSTP("tmu0", &div4_clks[DIV4_P], MSTPCR0, 15, 0),
- MSTP("cmt0", &r_clk, MSTPCR0, 14, 0),
- MSTP("rwdt0", &r_clk, MSTPCR0, 13, 0),
- MSTP("flctl0", &div4_clks[DIV4_P], MSTPCR0, 10, 0),
- MSTP("scif0", &div4_clks[DIV4_P], MSTPCR0, 7, 0),
- MSTP("scif1", &div4_clks[DIV4_P], MSTPCR0, 6, 0),
- MSTP("scif2", &div4_clks[DIV4_P], MSTPCR0, 5, 0),
-
- MSTP("i2c0", &div4_clks[DIV4_P], MSTPCR1, 9, 0),
- MSTP("rtc0", &r_clk, MSTPCR1, 8, 0),
-
- MSTP("sdhi0", &div4_clks[DIV4_P], MSTPCR2, 18, 0),
- MSTP("keysc0", &r_clk, MSTPCR2, 14, 0),
- MSTP("usbf0", &div4_clks[DIV4_P], MSTPCR2, 11, 0),
- MSTP("2dg0", &div4_clks[DIV4_B], MSTPCR2, 9, 0),
- MSTP("siu0", &div4_clks[DIV4_B], MSTPCR2, 8, 0),
- MSTP("vou0", &div4_clks[DIV4_B], MSTPCR2, 5, 0),
- MSTP("jpu0", &div4_clks[DIV4_B], MSTPCR2, 6, CLK_ENABLE_ON_INIT),
- MSTP("beu0", &div4_clks[DIV4_B], MSTPCR2, 4, 0),
- MSTP("ceu0", &div4_clks[DIV4_B], MSTPCR2, 3, 0),
- MSTP("veu0", &div4_clks[DIV4_B], MSTPCR2, 2, CLK_ENABLE_ON_INIT),
- MSTP("vpu0", &div4_clks[DIV4_B], MSTPCR2, 1, CLK_ENABLE_ON_INIT),
- MSTP("lcdc0", &div4_clks[DIV4_B], MSTPCR2, 0, 0),
+ SH_HWBLK_CLK("uram0", -1, U_CLK, HWBLK_URAM, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("xymem0", -1, B_CLK, HWBLK_XYMEM, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("tmu0", -1, P_CLK, HWBLK_TMU, 0),
+ SH_HWBLK_CLK("cmt0", -1, R_CLK, HWBLK_CMT, 0),
+ SH_HWBLK_CLK("rwdt0", -1, R_CLK, HWBLK_RWDT, 0),
+ SH_HWBLK_CLK("flctl0", -1, P_CLK, HWBLK_FLCTL, 0),
+ SH_HWBLK_CLK("scif0", -1, P_CLK, HWBLK_SCIF0, 0),
+ SH_HWBLK_CLK("scif1", -1, P_CLK, HWBLK_SCIF1, 0),
+ SH_HWBLK_CLK("scif2", -1, P_CLK, HWBLK_SCIF2, 0),
+
+ SH_HWBLK_CLK("i2c0", -1, P_CLK, HWBLK_IIC, 0),
+ SH_HWBLK_CLK("rtc0", -1, R_CLK, HWBLK_RTC, 0),
+
+ SH_HWBLK_CLK("sdhi0", -1, P_CLK, HWBLK_SDHI, 0),
+ SH_HWBLK_CLK("keysc0", -1, R_CLK, HWBLK_KEYSC, 0),
+ SH_HWBLK_CLK("usbf0", -1, P_CLK, HWBLK_USBF, 0),
+ SH_HWBLK_CLK("2dg0", -1, B_CLK, HWBLK_2DG, 0),
+ SH_HWBLK_CLK("siu0", -1, B_CLK, HWBLK_SIU, 0),
+ SH_HWBLK_CLK("vou0", -1, B_CLK, HWBLK_VOU, 0),
+ SH_HWBLK_CLK("jpu0", -1, B_CLK, HWBLK_JPU, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("beu0", -1, B_CLK, HWBLK_BEU, 0),
+ SH_HWBLK_CLK("ceu0", -1, B_CLK, HWBLK_CEU, 0),
+ SH_HWBLK_CLK("veu0", -1, B_CLK, HWBLK_VEU, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("vpu0", -1, B_CLK, HWBLK_VPU, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("lcdc0", -1, P_CLK, HWBLK_LCDC, 0),
};
int __init arch_clk_init(void)
ret = sh_clk_div6_register(div6_clks, ARRAY_SIZE(div6_clks));
if (!ret)
- ret = sh_clk_mstp32_register(mstp_clks, ARRAY_SIZE(mstp_clks));
+ ret = sh_hwblk_clk_register(mstp_clks, ARRAY_SIZE(mstp_clks));
return ret;
}
#include <linux/kernel.h>
#include <linux/io.h>
#include <asm/clock.h>
+#include <asm/hwblk.h>
+#include <cpu/sh7723.h>
/* SH7723 registers */
#define FRQCR 0xa4150000
SH_CLK_DIV6("video_clk", &pll_clk, VCLKCR, 0),
};
-#define MSTP(_str, _parent, _reg, _bit, _force_on, _need_cpg, _need_ram) \
- SH_CLK_MSTP32(_str, -1, _parent, _reg, _bit, _force_on * CLK_ENABLE_ON_INIT)
+#define R_CLK (&r_clk)
+#define P_CLK (&div4_clks[DIV4_P])
+#define B_CLK (&div4_clks[DIV4_B])
+#define U_CLK (&div4_clks[DIV4_U])
+#define I_CLK (&div4_clks[DIV4_I])
+#define SH_CLK (&div4_clks[DIV4_SH])
static struct clk mstp_clks[] = {
/* See page 60 of Datasheet V1.0: Overview -> Block Diagram */
- MSTP("tlb0", &div4_clks[DIV4_I], MSTPCR0, 31, 1, 1, 0),
- MSTP("ic0", &div4_clks[DIV4_I], MSTPCR0, 30, 1, 1, 0),
- MSTP("oc0", &div4_clks[DIV4_I], MSTPCR0, 29, 1, 1, 0),
- MSTP("l2c0", &div4_clks[DIV4_SH], MSTPCR0, 28, 1, 1, 0),
- MSTP("ilmem0", &div4_clks[DIV4_I], MSTPCR0, 27, 1, 1, 0),
- MSTP("fpu0", &div4_clks[DIV4_I], MSTPCR0, 24, 1, 1, 0),
- MSTP("intc0", &div4_clks[DIV4_I], MSTPCR0, 22, 1, 1, 0),
- MSTP("dmac0", &div4_clks[DIV4_B], MSTPCR0, 21, 0, 1, 1),
- MSTP("sh0", &div4_clks[DIV4_SH], MSTPCR0, 20, 0, 1, 0),
- MSTP("hudi0", &div4_clks[DIV4_P], MSTPCR0, 19, 0, 1, 0),
- MSTP("ubc0", &div4_clks[DIV4_I], MSTPCR0, 17, 0, 1, 0),
- MSTP("tmu0", &div4_clks[DIV4_P], MSTPCR0, 15, 0, 1, 0),
- MSTP("cmt0", &r_clk, MSTPCR0, 14, 0, 0, 0),
- MSTP("rwdt0", &r_clk, MSTPCR0, 13, 0, 0, 0),
- MSTP("dmac1", &div4_clks[DIV4_B], MSTPCR0, 12, 0, 1, 1),
- MSTP("tmu1", &div4_clks[DIV4_P], MSTPCR0, 11, 0, 1, 0),
- MSTP("flctl0", &div4_clks[DIV4_P], MSTPCR0, 10, 0, 1, 0),
- MSTP("scif0", &div4_clks[DIV4_P], MSTPCR0, 9, 0, 1, 0),
- MSTP("scif1", &div4_clks[DIV4_P], MSTPCR0, 8, 0, 1, 0),
- MSTP("scif2", &div4_clks[DIV4_P], MSTPCR0, 7, 0, 1, 0),
- MSTP("scif3", &div4_clks[DIV4_B], MSTPCR0, 6, 0, 1, 0),
- MSTP("scif4", &div4_clks[DIV4_B], MSTPCR0, 5, 0, 1, 0),
- MSTP("scif5", &div4_clks[DIV4_B], MSTPCR0, 4, 0, 1, 0),
- MSTP("msiof0", &div4_clks[DIV4_B], MSTPCR0, 2, 0, 1, 0),
- MSTP("msiof1", &div4_clks[DIV4_B], MSTPCR0, 1, 0, 1, 0),
- MSTP("meram0", &div4_clks[DIV4_SH], MSTPCR0, 0, 1, 1, 0),
-
- MSTP("i2c0", &div4_clks[DIV4_P], MSTPCR1, 9, 0, 1, 0),
- MSTP("rtc0", &r_clk, MSTPCR1, 8, 0, 0, 0),
-
- MSTP("atapi0", &div4_clks[DIV4_SH], MSTPCR2, 28, 0, 1, 0),
- MSTP("adc0", &div4_clks[DIV4_P], MSTPCR2, 27, 0, 1, 0),
- MSTP("tpu0", &div4_clks[DIV4_B], MSTPCR2, 25, 0, 1, 0),
- MSTP("irda0", &div4_clks[DIV4_P], MSTPCR2, 24, 0, 1, 0),
- MSTP("tsif0", &div4_clks[DIV4_B], MSTPCR2, 22, 0, 1, 0),
- MSTP("icb0", &div4_clks[DIV4_B], MSTPCR2, 21, 0, 1, 1),
- MSTP("sdhi0", &div4_clks[DIV4_B], MSTPCR2, 18, 0, 1, 0),
- MSTP("sdhi1", &div4_clks[DIV4_B], MSTPCR2, 17, 0, 1, 0),
- MSTP("keysc0", &r_clk, MSTPCR2, 14, 0, 0, 0),
- MSTP("usb0", &div4_clks[DIV4_B], MSTPCR2, 11, 0, 1, 0),
- MSTP("2dg0", &div4_clks[DIV4_B], MSTPCR2, 10, 0, 1, 1),
- MSTP("siu0", &div4_clks[DIV4_B], MSTPCR2, 8, 0, 1, 0),
- MSTP("veu1", &div4_clks[DIV4_B], MSTPCR2, 6, 1, 1, 1),
- MSTP("vou0", &div4_clks[DIV4_B], MSTPCR2, 5, 0, 1, 1),
- MSTP("beu0", &div4_clks[DIV4_B], MSTPCR2, 4, 0, 1, 1),
- MSTP("ceu0", &div4_clks[DIV4_B], MSTPCR2, 3, 0, 1, 1),
- MSTP("veu0", &div4_clks[DIV4_B], MSTPCR2, 2, 1, 1, 1),
- MSTP("vpu0", &div4_clks[DIV4_B], MSTPCR2, 1, 1, 1, 1),
- MSTP("lcdc0", &div4_clks[DIV4_B], MSTPCR2, 0, 0, 1, 1),
+ SH_HWBLK_CLK("tlb0", -1, I_CLK, HWBLK_TLB, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("ic0", -1, I_CLK, HWBLK_IC, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("oc0", -1, I_CLK, HWBLK_OC, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("l2c0", -1, SH_CLK, HWBLK_L2C, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("ilmem0", -1, I_CLK, HWBLK_ILMEM, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("fpu0", -1, I_CLK, HWBLK_FPU, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("intc0", -1, I_CLK, HWBLK_INTC, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("dmac0", -1, B_CLK, HWBLK_DMAC0, 0),
+ SH_HWBLK_CLK("sh0", -1, SH_CLK, HWBLK_SHYWAY, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("hudi0", -1, P_CLK, HWBLK_HUDI, 0),
+ SH_HWBLK_CLK("ubc0", -1, I_CLK, HWBLK_UBC, 0),
+ SH_HWBLK_CLK("tmu0", -1, P_CLK, HWBLK_TMU0, 0),
+ SH_HWBLK_CLK("cmt0", -1, R_CLK, HWBLK_CMT, 0),
+ SH_HWBLK_CLK("rwdt0", -1, R_CLK, HWBLK_RWDT, 0),
+ SH_HWBLK_CLK("dmac1", -1, B_CLK, HWBLK_DMAC1, 0),
+ SH_HWBLK_CLK("tmu1", -1, P_CLK, HWBLK_TMU1, 0),
+ SH_HWBLK_CLK("flctl0", -1, P_CLK, HWBLK_FLCTL, 0),
+ SH_HWBLK_CLK("scif0", -1, P_CLK, HWBLK_SCIF0, 0),
+ SH_HWBLK_CLK("scif1", -1, P_CLK, HWBLK_SCIF1, 0),
+ SH_HWBLK_CLK("scif2", -1, P_CLK, HWBLK_SCIF2, 0),
+ SH_HWBLK_CLK("scif3", -1, B_CLK, HWBLK_SCIF3, 0),
+ SH_HWBLK_CLK("scif4", -1, B_CLK, HWBLK_SCIF4, 0),
+ SH_HWBLK_CLK("scif5", -1, B_CLK, HWBLK_SCIF5, 0),
+ SH_HWBLK_CLK("msiof0", -1, B_CLK, HWBLK_MSIOF0, 0),
+ SH_HWBLK_CLK("msiof1", -1, B_CLK, HWBLK_MSIOF1, 0),
+ SH_HWBLK_CLK("meram0", -1, SH_CLK, HWBLK_MERAM, 0),
+
+ SH_HWBLK_CLK("i2c0", -1, P_CLK, HWBLK_IIC, 0),
+ SH_HWBLK_CLK("rtc0", -1, R_CLK, HWBLK_RTC, 0),
+
+ SH_HWBLK_CLK("atapi0", -1, SH_CLK, HWBLK_ATAPI, 0),
+ SH_HWBLK_CLK("adc0", -1, P_CLK, HWBLK_ADC, 0),
+ SH_HWBLK_CLK("tpu0", -1, B_CLK, HWBLK_TPU, 0),
+ SH_HWBLK_CLK("irda0", -1, P_CLK, HWBLK_IRDA, 0),
+ SH_HWBLK_CLK("tsif0", -1, B_CLK, HWBLK_TSIF, 0),
+ SH_HWBLK_CLK("icb0", -1, B_CLK, HWBLK_ICB, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("sdhi0", -1, B_CLK, HWBLK_SDHI0, 0),
+ SH_HWBLK_CLK("sdhi1", -1, B_CLK, HWBLK_SDHI1, 0),
+ SH_HWBLK_CLK("keysc0", -1, R_CLK, HWBLK_KEYSC, 0),
+ SH_HWBLK_CLK("usb0", -1, B_CLK, HWBLK_USB, 0),
+ SH_HWBLK_CLK("2dg0", -1, B_CLK, HWBLK_2DG, 0),
+ SH_HWBLK_CLK("siu0", -1, B_CLK, HWBLK_SIU, 0),
+ SH_HWBLK_CLK("veu1", -1, B_CLK, HWBLK_VEU2H1, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("vou0", -1, B_CLK, HWBLK_VOU, 0),
+ SH_HWBLK_CLK("beu0", -1, B_CLK, HWBLK_BEU, 0),
+ SH_HWBLK_CLK("ceu0", -1, B_CLK, HWBLK_CEU, 0),
+ SH_HWBLK_CLK("veu0", -1, B_CLK, HWBLK_VEU2H0, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("vpu0", -1, B_CLK, HWBLK_VPU, CLK_ENABLE_ON_INIT),
+ SH_HWBLK_CLK("lcdc0", -1, B_CLK, HWBLK_LCDC, 0),
};
int __init arch_clk_init(void)
ret = sh_clk_div6_register(div6_clks, ARRAY_SIZE(div6_clks));
if (!ret)
- ret = sh_clk_mstp32_register(mstp_clks, ARRAY_SIZE(mstp_clks));
+ ret = sh_hwblk_clk_register(mstp_clks, ARRAY_SIZE(mstp_clks));
return ret;
}
--- /dev/null
+/*
+ * arch/sh/kernel/cpu/sh4a/hwblk-sh7722.c
+ *
+ * SH7722 hardware block support
+ *
+ * Copyright (C) 2009 Magnus Damm
+ *
+ * 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
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <asm/suspend.h>
+#include <asm/hwblk.h>
+#include <cpu/sh7722.h>
+
+/* SH7722 registers */
+#define MSTPCR0 0xa4150030
+#define MSTPCR1 0xa4150034
+#define MSTPCR2 0xa4150038
+
+/* SH7722 Power Domains */
+enum { CORE_AREA, SUB_AREA, CORE_AREA_BM };
+static struct hwblk_area sh7722_hwblk_area[] = {
+ [CORE_AREA] = HWBLK_AREA(0, 0),
+ [CORE_AREA_BM] = HWBLK_AREA(HWBLK_AREA_FLAG_PARENT, CORE_AREA),
+ [SUB_AREA] = HWBLK_AREA(0, 0),
+};
+
+/* Table mapping HWBLK to Module Stop Bit and Power Domain */
+static struct hwblk sh7722_hwblk[HWBLK_NR] = {
+ [HWBLK_TLB] = HWBLK(MSTPCR0, 31, CORE_AREA),
+ [HWBLK_IC] = HWBLK(MSTPCR0, 30, CORE_AREA),
+ [HWBLK_OC] = HWBLK(MSTPCR0, 29, CORE_AREA),
+ [HWBLK_URAM] = HWBLK(MSTPCR0, 28, CORE_AREA),
+ [HWBLK_XYMEM] = HWBLK(MSTPCR0, 26, CORE_AREA),
+ [HWBLK_INTC] = HWBLK(MSTPCR0, 22, CORE_AREA),
+ [HWBLK_DMAC] = HWBLK(MSTPCR0, 21, CORE_AREA_BM),
+ [HWBLK_SHYWAY] = HWBLK(MSTPCR0, 20, CORE_AREA),
+ [HWBLK_HUDI] = HWBLK(MSTPCR0, 19, CORE_AREA),
+ [HWBLK_UBC] = HWBLK(MSTPCR0, 17, CORE_AREA),
+ [HWBLK_TMU] = HWBLK(MSTPCR0, 15, CORE_AREA),
+ [HWBLK_CMT] = HWBLK(MSTPCR0, 14, SUB_AREA),
+ [HWBLK_RWDT] = HWBLK(MSTPCR0, 13, SUB_AREA),
+ [HWBLK_FLCTL] = HWBLK(MSTPCR0, 10, CORE_AREA),
+ [HWBLK_SCIF0] = HWBLK(MSTPCR0, 7, CORE_AREA),
+ [HWBLK_SCIF1] = HWBLK(MSTPCR0, 6, CORE_AREA),
+ [HWBLK_SCIF2] = HWBLK(MSTPCR0, 5, CORE_AREA),
+ [HWBLK_SIO] = HWBLK(MSTPCR0, 3, CORE_AREA),
+ [HWBLK_SIOF0] = HWBLK(MSTPCR0, 2, CORE_AREA),
+ [HWBLK_SIOF1] = HWBLK(MSTPCR0, 1, CORE_AREA),
+
+ [HWBLK_IIC] = HWBLK(MSTPCR1, 9, CORE_AREA),
+ [HWBLK_RTC] = HWBLK(MSTPCR1, 8, SUB_AREA),
+
+ [HWBLK_TPU] = HWBLK(MSTPCR2, 25, CORE_AREA),
+ [HWBLK_IRDA] = HWBLK(MSTPCR2, 24, CORE_AREA),
+ [HWBLK_SDHI] = HWBLK(MSTPCR2, 18, CORE_AREA),
+ [HWBLK_SIM] = HWBLK(MSTPCR2, 16, CORE_AREA),
+ [HWBLK_KEYSC] = HWBLK(MSTPCR2, 14, SUB_AREA),
+ [HWBLK_TSIF] = HWBLK(MSTPCR2, 13, SUB_AREA),
+ [HWBLK_USBF] = HWBLK(MSTPCR2, 11, CORE_AREA),
+ [HWBLK_2DG] = HWBLK(MSTPCR2, 9, CORE_AREA_BM),
+ [HWBLK_SIU] = HWBLK(MSTPCR2, 8, CORE_AREA),
+ [HWBLK_JPU] = HWBLK(MSTPCR2, 6, CORE_AREA_BM),
+ [HWBLK_VOU] = HWBLK(MSTPCR2, 5, CORE_AREA_BM),
+ [HWBLK_BEU] = HWBLK(MSTPCR2, 4, CORE_AREA_BM),
+ [HWBLK_CEU] = HWBLK(MSTPCR2, 3, CORE_AREA_BM),
+ [HWBLK_VEU] = HWBLK(MSTPCR2, 2, CORE_AREA_BM),
+ [HWBLK_VPU] = HWBLK(MSTPCR2, 1, CORE_AREA_BM),
+ [HWBLK_LCDC] = HWBLK(MSTPCR2, 0, CORE_AREA_BM),
+};
+
+static struct hwblk_info sh7722_hwblk_info = {
+ .areas = sh7722_hwblk_area,
+ .nr_areas = ARRAY_SIZE(sh7722_hwblk_area),
+ .hwblks = sh7722_hwblk,
+ .nr_hwblks = ARRAY_SIZE(sh7722_hwblk),
+};
+
+int arch_hwblk_sleep_mode(void)
+{
+ if (!sh7722_hwblk_area[CORE_AREA].cnt[HWBLK_CNT_USAGE])
+ return SUSP_SH_STANDBY | SUSP_SH_SF;
+
+ if (!sh7722_hwblk_area[CORE_AREA_BM].cnt[HWBLK_CNT_USAGE])
+ return SUSP_SH_SLEEP | SUSP_SH_SF;
+
+ return SUSP_SH_SLEEP;
+}
+
+int __init arch_hwblk_init(void)
+{
+ return hwblk_register(&sh7722_hwblk_info);
+}
--- /dev/null
+/*
+ * arch/sh/kernel/cpu/sh4a/hwblk-sh7723.c
+ *
+ * SH7723 hardware block support
+ *
+ * Copyright (C) 2009 Magnus Damm
+ *
+ * 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
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <asm/suspend.h>
+#include <asm/hwblk.h>
+#include <cpu/sh7723.h>
+
+/* SH7723 registers */
+#define MSTPCR0 0xa4150030
+#define MSTPCR1 0xa4150034
+#define MSTPCR2 0xa4150038
+
+/* SH7723 Power Domains */
+enum { CORE_AREA, SUB_AREA, CORE_AREA_BM };
+static struct hwblk_area sh7723_hwblk_area[] = {
+ [CORE_AREA] = HWBLK_AREA(0, 0),
+ [CORE_AREA_BM] = HWBLK_AREA(HWBLK_AREA_FLAG_PARENT, CORE_AREA),
+ [SUB_AREA] = HWBLK_AREA(0, 0),
+};
+
+/* Table mapping HWBLK to Module Stop Bit and Power Domain */
+static struct hwblk sh7723_hwblk[HWBLK_NR] = {
+ [HWBLK_TLB] = HWBLK(MSTPCR0, 31, CORE_AREA),
+ [HWBLK_IC] = HWBLK(MSTPCR0, 30, CORE_AREA),
+ [HWBLK_OC] = HWBLK(MSTPCR0, 29, CORE_AREA),
+ [HWBLK_L2C] = HWBLK(MSTPCR0, 28, CORE_AREA),
+ [HWBLK_ILMEM] = HWBLK(MSTPCR0, 27, CORE_AREA),
+ [HWBLK_FPU] = HWBLK(MSTPCR0, 24, CORE_AREA),
+ [HWBLK_INTC] = HWBLK(MSTPCR0, 22, CORE_AREA),
+ [HWBLK_DMAC0] = HWBLK(MSTPCR0, 21, CORE_AREA_BM),
+ [HWBLK_SHYWAY] = HWBLK(MSTPCR0, 20, CORE_AREA),
+ [HWBLK_HUDI] = HWBLK(MSTPCR0, 19, CORE_AREA),
+ [HWBLK_DBG] = HWBLK(MSTPCR0, 18, CORE_AREA),
+ [HWBLK_UBC] = HWBLK(MSTPCR0, 17, CORE_AREA),
+ [HWBLK_SUBC] = HWBLK(MSTPCR0, 16, CORE_AREA),
+ [HWBLK_TMU0] = HWBLK(MSTPCR0, 15, CORE_AREA),
+ [HWBLK_CMT] = HWBLK(MSTPCR0, 14, SUB_AREA),
+ [HWBLK_RWDT] = HWBLK(MSTPCR0, 13, SUB_AREA),
+ [HWBLK_DMAC1] = HWBLK(MSTPCR0, 12, CORE_AREA_BM),
+ [HWBLK_TMU1] = HWBLK(MSTPCR0, 11, CORE_AREA),
+ [HWBLK_FLCTL] = HWBLK(MSTPCR0, 10, CORE_AREA),
+ [HWBLK_SCIF0] = HWBLK(MSTPCR0, 9, CORE_AREA),
+ [HWBLK_SCIF1] = HWBLK(MSTPCR0, 8, CORE_AREA),
+ [HWBLK_SCIF2] = HWBLK(MSTPCR0, 7, CORE_AREA),
+ [HWBLK_SCIF3] = HWBLK(MSTPCR0, 6, CORE_AREA),
+ [HWBLK_SCIF4] = HWBLK(MSTPCR0, 5, CORE_AREA),
+ [HWBLK_SCIF5] = HWBLK(MSTPCR0, 4, CORE_AREA),
+ [HWBLK_MSIOF0] = HWBLK(MSTPCR0, 2, CORE_AREA),
+ [HWBLK_MSIOF1] = HWBLK(MSTPCR0, 1, CORE_AREA),
+ [HWBLK_MERAM] = HWBLK(MSTPCR0, 0, CORE_AREA),
+
+ [HWBLK_IIC] = HWBLK(MSTPCR1, 9, CORE_AREA),
+ [HWBLK_RTC] = HWBLK(MSTPCR1, 8, SUB_AREA),
+
+ [HWBLK_ATAPI] = HWBLK(MSTPCR2, 28, CORE_AREA_BM),
+ [HWBLK_ADC] = HWBLK(MSTPCR2, 27, CORE_AREA),
+ [HWBLK_TPU] = HWBLK(MSTPCR2, 25, CORE_AREA),
+ [HWBLK_IRDA] = HWBLK(MSTPCR2, 24, CORE_AREA),
+ [HWBLK_TSIF] = HWBLK(MSTPCR2, 22, CORE_AREA),
+ [HWBLK_ICB] = HWBLK(MSTPCR2, 21, CORE_AREA_BM),
+ [HWBLK_SDHI0] = HWBLK(MSTPCR2, 18, CORE_AREA),
+ [HWBLK_SDHI1] = HWBLK(MSTPCR2, 17, CORE_AREA),
+ [HWBLK_KEYSC] = HWBLK(MSTPCR2, 14, SUB_AREA),
+ [HWBLK_USB] = HWBLK(MSTPCR2, 11, CORE_AREA),
+ [HWBLK_2DG] = HWBLK(MSTPCR2, 10, CORE_AREA_BM),
+ [HWBLK_SIU] = HWBLK(MSTPCR2, 8, CORE_AREA),
+ [HWBLK_VEU2H1] = HWBLK(MSTPCR2, 6, CORE_AREA_BM),
+ [HWBLK_VOU] = HWBLK(MSTPCR2, 5, CORE_AREA_BM),
+ [HWBLK_BEU] = HWBLK(MSTPCR2, 4, CORE_AREA_BM),
+ [HWBLK_CEU] = HWBLK(MSTPCR2, 3, CORE_AREA_BM),
+ [HWBLK_VEU2H0] = HWBLK(MSTPCR2, 2, CORE_AREA_BM),
+ [HWBLK_VPU] = HWBLK(MSTPCR2, 1, CORE_AREA_BM),
+ [HWBLK_LCDC] = HWBLK(MSTPCR2, 0, CORE_AREA_BM),
+};
+
+static struct hwblk_info sh7723_hwblk_info = {
+ .areas = sh7723_hwblk_area,
+ .nr_areas = ARRAY_SIZE(sh7723_hwblk_area),
+ .hwblks = sh7723_hwblk,
+ .nr_hwblks = ARRAY_SIZE(sh7723_hwblk),
+};
+
+int arch_hwblk_sleep_mode(void)
+{
+ if (!sh7723_hwblk_area[CORE_AREA].cnt[HWBLK_CNT_USAGE])
+ return SUSP_SH_STANDBY | SUSP_SH_SF;
+
+ if (!sh7723_hwblk_area[CORE_AREA_BM].cnt[HWBLK_CNT_USAGE])
+ return SUSP_SH_SLEEP | SUSP_SH_SF;
+
+ return SUSP_SH_SLEEP;
+}
+
+int __init arch_hwblk_init(void)
+{
+ return hwblk_register(&sh7723_hwblk_info);
+}
};
static struct r8a66597_platdata r8a66597_data = {
- /* This set zero to all members */
+ .on_chip = 1,
};
static struct resource usb_host_resources[] = {
};
static struct r8a66597_platdata r8a66597_data = {
- /* This set zero to all members */
+ .on_chip = 1,
};
static struct resource sh7723_usb_host_resources[] = {
# Power Management & Sleep mode
obj-$(CONFIG_PM) += pm.o sleep.o
+obj-$(CONFIG_CPU_IDLE) += cpuidle.o
--- /dev/null
+/*
+ * arch/sh/kernel/cpu/shmobile/cpuidle.c
+ *
+ * Cpuidle support code for SuperH Mobile
+ *
+ * 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/init.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <linux/suspend.h>
+#include <linux/cpuidle.h>
+#include <asm/suspend.h>
+#include <asm/uaccess.h>
+#include <asm/hwblk.h>
+
+static unsigned long cpuidle_mode[] = {
+ SUSP_SH_SLEEP, /* regular sleep mode */
+ SUSP_SH_SLEEP | SUSP_SH_SF, /* sleep mode + self refresh */
+};
+
+static int cpuidle_sleep_enter(struct cpuidle_device *dev,
+ struct cpuidle_state *state)
+{
+ unsigned long allowed_mode = arch_hwblk_sleep_mode();
+ ktime_t before, after;
+ int requested_state = state - &dev->states[0];
+ int allowed_state;
+ int k;
+
+ /* convert allowed mode to allowed state */
+ for (k = ARRAY_SIZE(cpuidle_mode) - 1; k > 0; k--)
+ if (cpuidle_mode[k] == allowed_mode)
+ break;
+
+ allowed_state = k;
+
+ /* take the following into account for sleep mode selection:
+ * - allowed_state: best mode allowed by hardware (clock deps)
+ * - requested_state: best mode allowed by software (latencies)
+ */
+ k = min_t(int, allowed_state, requested_state);
+
+ dev->last_state = &dev->states[k];
+ before = ktime_get();
+ sh_mobile_call_standby(cpuidle_mode[k]);
+ after = ktime_get();
+ return ktime_to_ns(ktime_sub(after, before)) >> 10;
+}
+
+static struct cpuidle_device cpuidle_dev;
+static struct cpuidle_driver cpuidle_driver = {
+ .name = "sh_idle",
+ .owner = THIS_MODULE,
+};
+
+void sh_mobile_setup_cpuidle(void)
+{
+ struct cpuidle_device *dev = &cpuidle_dev;
+ struct cpuidle_state *state;
+ int i;
+
+ cpuidle_register_driver(&cpuidle_driver);
+
+ for (i = 0; i < CPUIDLE_STATE_MAX; i++) {
+ dev->states[i].name[0] = '\0';
+ dev->states[i].desc[0] = '\0';
+ }
+
+ i = CPUIDLE_DRIVER_STATE_START;
+
+ state = &dev->states[i++];
+ snprintf(state->name, CPUIDLE_NAME_LEN, "C0");
+ strncpy(state->desc, "SuperH Sleep Mode", CPUIDLE_DESC_LEN);
+ state->exit_latency = 1;
+ state->target_residency = 1 * 2;
+ state->power_usage = 3;
+ state->flags = 0;
+ state->flags |= CPUIDLE_FLAG_SHALLOW;
+ state->flags |= CPUIDLE_FLAG_TIME_VALID;
+ state->enter = cpuidle_sleep_enter;
+
+ dev->safe_state = state;
+
+ state = &dev->states[i++];
+ snprintf(state->name, CPUIDLE_NAME_LEN, "C1");
+ 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;
+
+ dev->state_count = i;
+
+ cpuidle_register_device(dev);
+}
/*
- * arch/sh/kernel/cpu/sh4a/pm-sh_mobile.c
+ * arch/sh/kernel/cpu/shmobile/pm.c
*
* Power management support code for SuperH Mobile
*
*
* R-standby mode is unsupported, but will be added in the future
* U-standby mode is low priority since it needs bootloader hacks
- *
- * All modes should be tied in with cpuidle. But before that can
- * happen we need to keep track of enabled hardware blocks so we
- * can avoid entering sleep modes that stop clocks to hardware
- * blocks that are in use even though the cpu core is idle.
*/
+#define ILRAM_BASE 0xe5200000
+
extern const unsigned char sh_mobile_standby[];
extern const unsigned int sh_mobile_standby_size;
-static void sh_mobile_call_standby(unsigned long mode)
+void sh_mobile_call_standby(unsigned long mode)
{
extern void *vbr_base;
- void *onchip_mem = (void *)0xe5200000; /* ILRAM */
+ void *onchip_mem = (void *)ILRAM_BASE;
void (*standby_onchip_mem)(unsigned long) = onchip_mem;
/* Note: Wake up from sleep may generate exceptions!
if (mode & SUSP_SH_SF)
asm volatile("ldc %0, vbr" : : "r" (onchip_mem) : "memory");
- /* Copy the assembly snippet to the otherwise ununsed ILRAM */
- memcpy(onchip_mem, sh_mobile_standby, sh_mobile_standby_size);
- wmb();
- ctrl_barrier();
-
/* Let assembly snippet in on-chip memory handle the rest */
standby_onchip_mem(mode);
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;
}
nop
#endif
mov.l @(TI_FLAGS,r8), r0 ! current_thread_info->flags
- tst #_TIF_WORK_MASK, r0
+ tst #(_TIF_WORK_MASK & 0xff), r0
bt/s __restore_all
tst #_TIF_NEED_RESCHED, r0
#endif
!
mov.l @(TI_FLAGS,r8), r0 ! current_thread_info->flags
- tst #_TIF_WORK_MASK, r0
+ tst #(_TIF_WORK_MASK & 0xff), r0
bt __restore_all
bra work_pending
tst #_TIF_NEED_RESCHED, r0
syscall_exit_work:
! r0: current_thread_info->flags
! r8: current_thread_info
- tst #_TIF_WORK_SYSCALL_MASK, r0
+ tst #(_TIF_WORK_SYSCALL_MASK & 0xff), r0
bt/s work_pending
tst #_TIF_NEED_RESCHED, r0
#ifdef CONFIG_TRACE_IRQFLAGS
!
get_current_thread_info r8, r10
mov.l @(TI_FLAGS,r8), r8
- mov #_TIF_WORK_SYSCALL_MASK, r10
+ mov #(_TIF_WORK_SYSCALL_MASK & 0xff), r10
+ mov #(_TIF_WORK_SYSCALL_MASK >> 8), r9
tst r10, r8
+ shll8 r9
+ bf syscall_trace_entry
+ tst r9, r8
bf syscall_trace_entry
!
mov.l 2f, r8 ! Number of syscalls
!
get_current_thread_info r8, r0
mov.l @(TI_FLAGS,r8), r0 ! current_thread_info->flags
- tst #_TIF_ALLWORK_MASK, r0
+ tst #(_TIF_ALLWORK_MASK & 0xff), r0
+ mov #(_TIF_ALLWORK_MASK >> 8), r1
+ bf syscall_exit_work
+ shlr8 r0
+ tst r0, r1
bf syscall_exit_work
bra __restore_all
nop
#include <linux/string.h>
#include <linux/init.h>
#include <linux/io.h>
+#include <linux/kernel.h>
#include <asm/ftrace.h>
#include <asm/cacheflush.h>
+#include <asm/unistd.h>
+#include <trace/syscall.h>
+#ifdef CONFIG_DYNAMIC_FTRACE
static unsigned char ftrace_replaced_code[MCOUNT_INSN_SIZE];
static unsigned char ftrace_nop[4];
return 0;
}
+#endif /* CONFIG_DYNAMIC_FTRACE */
+
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+#ifdef CONFIG_DYNAMIC_FTRACE
+extern void ftrace_graph_call(void);
+
+static int ftrace_mod(unsigned long ip, unsigned long old_addr,
+ unsigned long new_addr)
+{
+ unsigned char code[MCOUNT_INSN_SIZE];
+
+ if (probe_kernel_read(code, (void *)ip, MCOUNT_INSN_SIZE))
+ return -EFAULT;
+
+ if (old_addr != __raw_readl((unsigned long *)code))
+ return -EINVAL;
+
+ __raw_writel(new_addr, ip);
+ return 0;
+}
+
+int ftrace_enable_ftrace_graph_caller(void)
+{
+ unsigned long ip, old_addr, new_addr;
+
+ ip = (unsigned long)(&ftrace_graph_call) + GRAPH_INSN_OFFSET;
+ old_addr = (unsigned long)(&skip_trace);
+ new_addr = (unsigned long)(&ftrace_graph_caller);
+
+ return ftrace_mod(ip, old_addr, new_addr);
+}
+
+int ftrace_disable_ftrace_graph_caller(void)
+{
+ unsigned long ip, old_addr, new_addr;
+
+ ip = (unsigned long)(&ftrace_graph_call) + GRAPH_INSN_OFFSET;
+ old_addr = (unsigned long)(&ftrace_graph_caller);
+ new_addr = (unsigned long)(&skip_trace);
+
+ return ftrace_mod(ip, old_addr, new_addr);
+}
+#endif /* CONFIG_DYNAMIC_FTRACE */
+
+/*
+ * Hook the return address and push it in the stack of return addrs
+ * in the current thread info.
+ *
+ * This is the main routine for the function graph tracer. The function
+ * graph tracer essentially works like this:
+ *
+ * parent is the stack address containing self_addr's return address.
+ * We pull the real return address out of parent and store it in
+ * current's ret_stack. Then, we replace the return address on the stack
+ * with the address of return_to_handler. self_addr is the function that
+ * called mcount.
+ *
+ * When self_addr returns, it will jump to return_to_handler which calls
+ * ftrace_return_to_handler. ftrace_return_to_handler will pull the real
+ * return address off of current's ret_stack and jump to it.
+ */
+void prepare_ftrace_return(unsigned long *parent, unsigned long self_addr)
+{
+ unsigned long old;
+ int faulted, err;
+ struct ftrace_graph_ent trace;
+ unsigned long return_hooker = (unsigned long)&return_to_handler;
+
+ if (unlikely(atomic_read(¤t->tracing_graph_pause)))
+ return;
+
+ /*
+ * Protect against fault, even if it shouldn't
+ * happen. This tool is too much intrusive to
+ * ignore such a protection.
+ */
+ __asm__ __volatile__(
+ "1: \n\t"
+ "mov.l @%2, %0 \n\t"
+ "2: \n\t"
+ "mov.l %3, @%2 \n\t"
+ "mov #0, %1 \n\t"
+ "3: \n\t"
+ ".section .fixup, \"ax\" \n\t"
+ "4: \n\t"
+ "mov.l 5f, %0 \n\t"
+ "jmp @%0 \n\t"
+ " mov #1, %1 \n\t"
+ ".balign 4 \n\t"
+ "5: .long 3b \n\t"
+ ".previous \n\t"
+ ".section __ex_table,\"a\" \n\t"
+ ".long 1b, 4b \n\t"
+ ".long 2b, 4b \n\t"
+ ".previous \n\t"
+ : "=&r" (old), "=r" (faulted)
+ : "r" (parent), "r" (return_hooker)
+ );
+
+ if (unlikely(faulted)) {
+ ftrace_graph_stop();
+ WARN_ON(1);
+ return;
+ }
+
+ err = ftrace_push_return_trace(old, self_addr, &trace.depth, 0);
+ if (err == -EBUSY) {
+ __raw_writel(old, parent);
+ return;
+ }
+
+ trace.func = self_addr;
+
+ /* Only trace if the calling function expects to */
+ if (!ftrace_graph_entry(&trace)) {
+ current->curr_ret_stack--;
+ __raw_writel(old, parent);
+ }
+}
+#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
+
+#ifdef CONFIG_FTRACE_SYSCALLS
+
+extern unsigned long __start_syscalls_metadata[];
+extern unsigned long __stop_syscalls_metadata[];
+extern unsigned long *sys_call_table;
+
+static struct syscall_metadata **syscalls_metadata;
+
+static struct syscall_metadata *find_syscall_meta(unsigned long *syscall)
+{
+ struct syscall_metadata *start;
+ struct syscall_metadata *stop;
+ char str[KSYM_SYMBOL_LEN];
+
+
+ start = (struct syscall_metadata *)__start_syscalls_metadata;
+ stop = (struct syscall_metadata *)__stop_syscalls_metadata;
+ kallsyms_lookup((unsigned long) syscall, NULL, NULL, NULL, str);
+
+ for ( ; start < stop; start++) {
+ if (start->name && !strcmp(start->name, str))
+ return start;
+ }
+
+ return NULL;
+}
+
+#define FTRACE_SYSCALL_MAX (NR_syscalls - 1)
+
+struct syscall_metadata *syscall_nr_to_meta(int nr)
+{
+ if (!syscalls_metadata || nr >= FTRACE_SYSCALL_MAX || nr < 0)
+ return NULL;
+
+ return syscalls_metadata[nr];
+}
+
+void arch_init_ftrace_syscalls(void)
+{
+ int i;
+ struct syscall_metadata *meta;
+ unsigned long **psys_syscall_table = &sys_call_table;
+ static atomic_t refs;
+
+ if (atomic_inc_return(&refs) != 1)
+ goto end;
+
+ syscalls_metadata = kzalloc(sizeof(*syscalls_metadata) *
+ FTRACE_SYSCALL_MAX, GFP_KERNEL);
+ if (!syscalls_metadata) {
+ WARN_ON(1);
+ return;
+ }
+
+ for (i = 0; i < FTRACE_SYSCALL_MAX; i++) {
+ meta = find_syscall_meta(psys_syscall_table[i]);
+ syscalls_metadata[i] = meta;
+ }
+ return;
+
+ /* Paranoid: avoid overflow */
+end:
+ atomic_dec(&refs);
+}
+#endif /* CONFIG_FTRACE_SYSCALLS */
#endif
irq_enter();
-
-#ifdef CONFIG_DEBUG_STACKOVERFLOW
- /* Debugging check for stack overflow: is there less than 1KB free? */
- {
- long sp;
-
- __asm__ __volatile__ ("and r15, %0" :
- "=r" (sp) : "0" (THREAD_SIZE - 1));
-
- if (unlikely(sp < (sizeof(struct thread_info) + STACK_WARN))) {
- printk("do_IRQ: stack overflow: %ld\n",
- sp - sizeof(struct thread_info));
- dump_stack();
- }
- }
-#endif
-
irq = irq_demux(intc_evt2irq(irq));
#ifdef CONFIG_IRQSTACKS
#include <linux/tick.h>
#include <linux/reboot.h>
#include <linux/fs.h>
+#include <linux/ftrace.h>
#include <linux/preempt.h>
#include <asm/uaccess.h>
#include <asm/mmu_context.h>
* switch_to(x,y) should switch tasks from x to y.
*
*/
-struct task_struct *__switch_to(struct task_struct *prev,
- struct task_struct *next)
+__notrace_funcgraph struct task_struct *
+__switch_to(struct task_struct *prev, struct task_struct *next)
{
#if defined(CONFIG_SH_FPU)
unlazy_fpu(prev, task_pt_regs(prev));
#include <asm/syscalls.h>
#include <asm/fpu.h>
+#include <trace/syscall.h>
+
/*
* This routine will get a word off of the process kernel stack.
*/
*/
ret = -1L;
+ if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE)))
+ ftrace_syscall_enter(regs);
+
if (unlikely(current->audit_context))
audit_syscall_entry(audit_arch(), regs->regs[3],
regs->regs[4], regs->regs[5],
audit_syscall_exit(AUDITSC_RESULT(regs->regs[0]),
regs->regs[0]);
+ if (unlikely(test_thread_flag(TIF_SYSCALL_FTRACE)))
+ ftrace_syscall_exit(regs);
+
step = test_thread_flag(TIF_SINGLESTEP);
if (step || test_thread_flag(TIF_SYSCALL_TRACE))
tracehook_report_syscall_exit(regs, step);
#include <linux/clk.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
+#include <linux/lmb.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#include <asm/page.h>
void __init setup_bootmem_allocator(unsigned long free_pfn)
{
unsigned long bootmap_size;
+ unsigned long bootmap_pages, bootmem_paddr;
+ u64 total_pages = (lmb_end_of_DRAM() - __MEMORY_START) >> PAGE_SHIFT;
+ int i;
+
+ bootmap_pages = bootmem_bootmap_pages(total_pages);
+
+ bootmem_paddr = lmb_alloc(bootmap_pages << PAGE_SHIFT, PAGE_SIZE);
/*
* Find a proper area for the bootmem bitmap. After this
* bootstrap step all allocations (until the page allocator
* is intact) must be done via bootmem_alloc().
*/
- bootmap_size = init_bootmem_node(NODE_DATA(0), free_pfn,
+ bootmap_size = init_bootmem_node(NODE_DATA(0),
+ bootmem_paddr >> PAGE_SHIFT,
min_low_pfn, max_low_pfn);
- __add_active_range(0, min_low_pfn, max_low_pfn);
- register_bootmem_low_pages();
-
- node_set_online(0);
+ /* Add active regions with valid PFNs. */
+ for (i = 0; i < lmb.memory.cnt; i++) {
+ unsigned long start_pfn, end_pfn;
+ start_pfn = lmb.memory.region[i].base >> PAGE_SHIFT;
+ end_pfn = start_pfn + lmb_size_pages(&lmb.memory, i);
+ __add_active_range(0, start_pfn, end_pfn);
+ }
/*
- * Reserve the kernel text and
- * Reserve the bootmem bitmap. We do this in two steps (first step
- * was init_bootmem()), because this catches the (definitely buggy)
- * case of us accidentally initializing the bootmem allocator with
- * an invalid RAM area.
+ * Add all physical memory to the bootmem map and mark each
+ * area as present.
*/
- reserve_bootmem(__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET,
- (PFN_PHYS(free_pfn) + bootmap_size + PAGE_SIZE - 1) -
- (__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET),
- BOOTMEM_DEFAULT);
+ register_bootmem_low_pages();
- /*
- * Reserve physical pages below CONFIG_ZERO_PAGE_OFFSET.
- */
- if (CONFIG_ZERO_PAGE_OFFSET != 0)
- reserve_bootmem(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET,
+ /* Reserve the sections we're already using. */
+ for (i = 0; i < lmb.reserved.cnt; i++)
+ reserve_bootmem(lmb.reserved.region[i].base,
+ lmb_size_bytes(&lmb.reserved, i),
BOOTMEM_DEFAULT);
+ node_set_online(0);
+
sparse_memory_present_with_active_regions(0);
#ifdef CONFIG_BLK_DEV_INITRD
static void __init setup_memory(void)
{
unsigned long start_pfn;
+ u64 base = min_low_pfn << PAGE_SHIFT;
+ u64 size = (max_low_pfn << PAGE_SHIFT) - base;
/*
* Partially used pages are not usable - thus
* we are rounding upwards:
*/
start_pfn = PFN_UP(__pa(_end));
+
+ lmb_add(base, size);
+
+ /*
+ * Reserve the kernel text and
+ * Reserve the bootmem bitmap. We do this in two steps (first step
+ * was init_bootmem()), because this catches the (definitely buggy)
+ * case of us accidentally initializing the bootmem allocator with
+ * an invalid RAM area.
+ */
+ lmb_reserve(__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET,
+ (PFN_PHYS(start_pfn) + PAGE_SIZE - 1) -
+ (__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET));
+
+ /*
+ * Reserve physical pages below CONFIG_ZERO_PAGE_OFFSET.
+ */
+ if (CONFIG_ZERO_PAGE_OFFSET != 0)
+ lmb_reserve(__MEMORY_START, CONFIG_ZERO_PAGE_OFFSET);
+
+ lmb_analyze();
+ lmb_dump_all();
+
setup_bootmem_allocator(start_pfn);
}
#else
nodes_clear(node_online_map);
/* Setup bootmem with available RAM */
+ lmb_init();
setup_memory();
sparse_init();
EXPORT_SYMBOL(clear_user_page);
#endif
-#ifdef CONFIG_FUNCTION_TRACER
-EXPORT_SYMBOL(mcount);
+#ifdef CONFIG_MCOUNT
+DECLARE_EXPORT(mcount);
#endif
EXPORT_SYMBOL(csum_partial);
EXPORT_SYMBOL(csum_partial_copy_generic);
#include <linux/smp.h>
#include <linux/rtc.h>
#include <asm/clock.h>
+#include <asm/hwblk.h>
#include <asm/rtc.h>
/* Dummy RTC ops */
if (board_time_init)
board_time_init();
+ hwblk_init();
clk_init();
rtc_sh_get_time(&xtime);
_etext = .; /* End of text section */
} = 0x0009
- . = ALIGN(16); /* Exception table */
- __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
- __start___ex_table = .;
- *(__ex_table)
- __stop___ex_table = .;
- }
+ EXCEPTION_TABLE(16)
NOTES
RO_DATA(PAGE_SIZE)
__uncached_end = .;
}
- . = ALIGN(THREAD_SIZE);
- .data : AT(ADDR(.data) - LOAD_OFFSET) { /* Data */
- *(.data.init_task)
-
- . = ALIGN(L1_CACHE_BYTES);
- *(.data.cacheline_aligned)
-
- . = ALIGN(L1_CACHE_BYTES);
- *(.data.read_mostly)
-
- . = ALIGN(PAGE_SIZE);
- *(.data.page_aligned)
-
- __nosave_begin = .;
- *(.data.nosave)
- . = ALIGN(PAGE_SIZE);
- __nosave_end = .;
-
- DATA_DATA
- CONSTRUCTORS
- }
+ RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
_edata = .; /* End of data section */
. = ALIGN(PAGE_SIZE); /* Init code and data */
- .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {
- __init_begin = .;
- _sinittext = .;
- INIT_TEXT
- _einittext = .;
- }
-
- .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { INIT_DATA }
-
- . = ALIGN(16);
- .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) {
- __setup_start = .;
- *(.init.setup)
- __setup_end = .;
- }
-
- .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {
- __initcall_start = .;
- INITCALLS
- __initcall_end = .;
- }
-
- .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {
- __con_initcall_start = .;
- *(.con_initcall.init)
- __con_initcall_end = .;
- }
-
- SECURITY_INIT
-
-#ifdef CONFIG_BLK_DEV_INITRD
- . = ALIGN(PAGE_SIZE);
- .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) {
- __initramfs_start = .;
- *(.init.ramfs)
- __initramfs_end = .;
- }
-#endif
+ __init_begin = .;
+ INIT_TEXT_SECTION(PAGE_SIZE)
+ INIT_DATA_SECTION(16)
. = ALIGN(4);
.machvec.init : AT(ADDR(.machvec.init) - LOAD_OFFSET) {
.exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { EXIT_DATA }
. = ALIGN(PAGE_SIZE);
- .bss : AT(ADDR(.bss) - LOAD_OFFSET) {
- __init_end = .;
- __bss_start = .; /* BSS */
- *(.bss.page_aligned)
- *(.bss)
- *(COMMON)
- . = ALIGN(4);
- _ebss = .; /* uClinux MTD sucks */
- _end = . ;
- }
+ __init_end = .;
+ BSS_SECTION(0, PAGE_SIZE, 4)
+ _ebss = .; /* uClinux MTD sucks */
+ _end = . ;
/*
* When something in the kernel is NOT compiled as a module, the
* it's a module.
*/
/DISCARD/ : {
- *(.exitcall.exit)
+ EXIT_CALL
}
STABS_DEBUG
memcpy-$(CONFIG_CPU_SH4) := memcpy-sh4.o
lib-$(CONFIG_MMU) += copy_page.o clear_page.o
-lib-$(CONFIG_FUNCTION_TRACER) += mcount.o
+lib-$(CONFIG_MCOUNT) += mcount.o
lib-y += $(memcpy-y) $(udivsi3-y)
EXTRA_CFLAGS += -Werror
/*
* arch/sh/lib/mcount.S
*
- * Copyright (C) 2008 Paul Mundt
- * Copyright (C) 2008 Matt Fleming
+ * Copyright (C) 2008, 2009 Paul Mundt
+ * Copyright (C) 2008, 2009 Matt Fleming
*
* 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 <asm/ftrace.h>
+#include <asm/thread_info.h>
+#include <asm/asm-offsets.h>
#define MCOUNT_ENTER() \
mov.l r4, @-r15; \
rts; \
mov.l @r15+, r4
+#ifdef CONFIG_STACK_DEBUG
+/*
+ * Perform diagnostic checks on the state of the kernel stack.
+ *
+ * Check for stack overflow. If there is less than 1KB free
+ * then it has overflowed.
+ *
+ * Make sure the stack pointer contains a valid address. Valid
+ * addresses for kernel stacks are anywhere after the bss
+ * (after _ebss) and anywhere in init_thread_union (init_stack).
+ */
+#define STACK_CHECK() \
+ mov #(THREAD_SIZE >> 10), r0; \
+ shll8 r0; \
+ shll2 r0; \
+ \
+ /* r1 = sp & (THREAD_SIZE - 1) */ \
+ mov #-1, r1; \
+ add r0, r1; \
+ and r15, r1; \
+ \
+ mov #TI_SIZE, r3; \
+ mov #(STACK_WARN >> 8), r2; \
+ shll8 r2; \
+ add r3, r2; \
+ \
+ /* Is the stack overflowing? */ \
+ cmp/hi r2, r1; \
+ bf stack_panic; \
+ \
+ /* If sp > _ebss then we're OK. */ \
+ mov.l .L_ebss, r1; \
+ cmp/hi r1, r15; \
+ bt 1f; \
+ \
+ /* If sp < init_stack, we're not OK. */ \
+ mov.l .L_init_thread_union, r1; \
+ cmp/hs r1, r15; \
+ bf stack_panic; \
+ \
+ /* If sp > init_stack && sp < _ebss, not OK. */ \
+ add r0, r1; \
+ cmp/hs r1, r15; \
+ bt stack_panic; \
+1:
+#else
+#define STACK_CHECK()
+#endif /* CONFIG_STACK_DEBUG */
+
.align 2
.globl _mcount
.type _mcount,@function
.type mcount,@function
_mcount:
mcount:
+ STACK_CHECK()
+
+#ifndef CONFIG_FUNCTION_TRACER
+ rts
+ nop
+#else
+#ifndef CONFIG_DYNAMIC_FTRACE
+ mov.l .Lfunction_trace_stop, r0
+ mov.l @r0, r0
+ tst r0, r0
+ bf ftrace_stub
+#endif
+
MCOUNT_ENTER()
#ifdef CONFIG_DYNAMIC_FTRACE
jsr @r6
nop
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+ mov.l .Lftrace_graph_return, r6
+ mov.l .Lftrace_stub, r7
+ cmp/eq r6, r7
+ bt 1f
+
+ mov.l .Lftrace_graph_caller, r0
+ jmp @r0
+ nop
+
+1:
+ mov.l .Lftrace_graph_entry, r6
+ mov.l .Lftrace_graph_entry_stub, r7
+ cmp/eq r6, r7
+ bt skip_trace
+
+ mov.l .Lftrace_graph_caller, r0
+ jmp @r0
+ nop
+
+ .align 2
+.Lftrace_graph_return:
+ .long ftrace_graph_return
+.Lftrace_graph_entry:
+ .long ftrace_graph_entry
+.Lftrace_graph_entry_stub:
+ .long ftrace_graph_entry_stub
+.Lftrace_graph_caller:
+ .long ftrace_graph_caller
+#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
+
+ .globl skip_trace
skip_trace:
MCOUNT_LEAVE()
.align 2
.Lftrace_trace_function:
- .long ftrace_trace_function
+ .long ftrace_trace_function
#ifdef CONFIG_DYNAMIC_FTRACE
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+/*
+ * NOTE: Do not move either ftrace_graph_call or ftrace_caller
+ * as this will affect the calculation of GRAPH_INSN_OFFSET.
+ */
+ .globl ftrace_graph_call
+ftrace_graph_call:
+ mov.l .Lskip_trace, r0
+ jmp @r0
+ nop
+
+ .align 2
+.Lskip_trace:
+ .long skip_trace
+#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
+
.globl ftrace_caller
ftrace_caller:
+ mov.l .Lfunction_trace_stop, r0
+ mov.l @r0, r0
+ tst r0, r0
+ bf ftrace_stub
+
MCOUNT_ENTER()
.globl ftrace_call
jsr @r6
nop
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+ bra ftrace_graph_call
+ nop
+#else
MCOUNT_LEAVE()
+#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
#endif /* CONFIG_DYNAMIC_FTRACE */
+ .align 2
+.Lfunction_trace_stop:
+ .long function_trace_stop
+
/*
* NOTE: From here on the locations of the .Lftrace_stub label and
* ftrace_stub itself are fixed. Adding additional data here will skew
* Place new labels either after the ftrace_stub body, or before
* ftrace_caller. You have been warned.
*/
- .align 2
.Lftrace_stub:
.long ftrace_stub
ftrace_stub:
rts
nop
+
+#ifdef CONFIG_FUNCTION_GRAPH_TRACER
+ .globl ftrace_graph_caller
+ftrace_graph_caller:
+ mov.l 2f, r0
+ mov.l @r0, r0
+ tst r0, r0
+ bt 1f
+
+ mov.l 3f, r1
+ jmp @r1
+ nop
+1:
+ /*
+ * MCOUNT_ENTER() pushed 5 registers onto the stack, so
+ * the stack address containing our return address is
+ * r15 + 20.
+ */
+ mov #20, r0
+ add r15, r0
+ mov r0, r4
+
+ mov.l .Lprepare_ftrace_return, r0
+ jsr @r0
+ nop
+
+ MCOUNT_LEAVE()
+
+ .align 2
+2: .long function_trace_stop
+3: .long skip_trace
+.Lprepare_ftrace_return:
+ .long prepare_ftrace_return
+
+ .globl return_to_handler
+return_to_handler:
+ /*
+ * Save the return values.
+ */
+ mov.l r0, @-r15
+ mov.l r1, @-r15
+
+ mov #0, r4
+
+ mov.l .Lftrace_return_to_handler, r0
+ jsr @r0
+ nop
+
+ /*
+ * The return value from ftrace_return_handler has the real
+ * address that we should return to.
+ */
+ lds r0, pr
+ mov.l @r15+, r1
+ rts
+ mov.l @r15+, r0
+
+
+ .align 2
+.Lftrace_return_to_handler:
+ .long ftrace_return_to_handler
+#endif /* CONFIG_FUNCTION_GRAPH_TRACER */
+#endif /* CONFIG_FUNCTION_TRACER */
+
+#ifdef CONFIG_STACK_DEBUG
+ .globl stack_panic
+stack_panic:
+ mov.l .Ldump_stack, r0
+ jsr @r0
+ nop
+
+ mov.l .Lpanic, r0
+ jsr @r0
+ mov.l .Lpanic_s, r4
+
+ rts
+ nop
+
+ .align 2
+.L_ebss:
+ .long _ebss
+.L_init_thread_union:
+ .long init_thread_union
+.Lpanic:
+ .long panic
+.Lpanic_s:
+ .long .Lpanic_str
+.Ldump_stack:
+ .long dump_stack
+
+ .section .rodata
+ .align 2
+.Lpanic_str:
+ .string "Stack error"
+#endif /* CONFIG_STACK_DEBUG */
* Page fault handler for SH with an MMU.
*
* Copyright (C) 1999 Niibe Yutaka
- * Copyright (C) 2003 - 2008 Paul Mundt
+ * Copyright (C) 2003 - 2009 Paul Mundt
*
* Based on linux/arch/i386/mm/fault.c:
* Copyright (C) 1995 Linus Torvalds
{
int ret = 0;
-#ifdef CONFIG_KPROBES
- if (!user_mode(regs)) {
+ if (kprobes_built_in() && !user_mode(regs)) {
preempt_disable();
if (kprobe_running() && kprobe_fault_handler(regs, trap))
ret = 1;
preempt_enable();
}
-#endif
return ret;
}
+static inline pmd_t *vmalloc_sync_one(pgd_t *pgd, unsigned long address)
+{
+ unsigned index = pgd_index(address);
+ pgd_t *pgd_k;
+ pud_t *pud, *pud_k;
+ pmd_t *pmd, *pmd_k;
+
+ pgd += index;
+ pgd_k = init_mm.pgd + index;
+
+ if (!pgd_present(*pgd_k))
+ return NULL;
+
+ pud = pud_offset(pgd, address);
+ pud_k = pud_offset(pgd_k, address);
+ if (!pud_present(*pud_k))
+ return NULL;
+
+ pmd = pmd_offset(pud, address);
+ pmd_k = pmd_offset(pud_k, address);
+ if (!pmd_present(*pmd_k))
+ return NULL;
+
+ if (!pmd_present(*pmd))
+ set_pmd(pmd, *pmd_k);
+ else {
+ /*
+ * The page tables are fully synchronised so there must
+ * be another reason for the fault. Return NULL here to
+ * signal that we have not taken care of the fault.
+ */
+ BUG_ON(pmd_page(*pmd) != pmd_page(*pmd_k));
+ return NULL;
+ }
+
+ return pmd_k;
+}
+
+/*
+ * Handle a fault on the vmalloc or module mapping area
+ */
+static noinline int vmalloc_fault(unsigned long address)
+{
+ pgd_t *pgd_k;
+ pmd_t *pmd_k;
+ pte_t *pte_k;
+
+ /* Make sure we are in vmalloc area: */
+ if (!(address >= VMALLOC_START && address < VMALLOC_END))
+ return -1;
+
+ /*
+ * Synchronize this task's top level page-table
+ * with the 'reference' page table.
+ *
+ * Do _not_ use "current" here. We might be inside
+ * an interrupt in the middle of a task switch..
+ */
+ pgd_k = get_TTB();
+ pmd_k = vmalloc_sync_one(pgd_k, address);
+ if (!pmd_k)
+ return -1;
+
+ pte_k = pte_offset_kernel(pmd_k, address);
+ if (!pte_present(*pte_k))
+ return -1;
+
+ return 0;
+}
+
+static int fault_in_kernel_space(unsigned long address)
+{
+ return address >= TASK_SIZE;
+}
+
/*
* This routine handles page faults. It determines the address,
* and the problem, and then passes it off to one of the appropriate
unsigned long writeaccess,
unsigned long address)
{
+ unsigned long vec;
struct task_struct *tsk;
struct mm_struct *mm;
struct vm_area_struct * vma;
int fault;
siginfo_t info;
- /*
- * We don't bother with any notifier callbacks here, as they are
- * all handled through the __do_page_fault() fast-path.
- */
-
tsk = current;
+ mm = tsk->mm;
si_code = SEGV_MAPERR;
+ vec = lookup_exception_vector();
- if (unlikely(address >= TASK_SIZE)) {
- /*
- * Synchronize this task's top level page-table
- * with the 'reference' page table.
- *
- * Do _not_ use "tsk" here. We might be inside
- * an interrupt in the middle of a task switch..
- */
- int offset = pgd_index(address);
- pgd_t *pgd, *pgd_k;
- pud_t *pud, *pud_k;
- pmd_t *pmd, *pmd_k;
-
- pgd = get_TTB() + offset;
- pgd_k = swapper_pg_dir + offset;
-
- if (!pgd_present(*pgd)) {
- if (!pgd_present(*pgd_k))
- goto bad_area_nosemaphore;
- set_pgd(pgd, *pgd_k);
+ /*
+ * We fault-in kernel-space virtual memory on-demand. The
+ * 'reference' page table is init_mm.pgd.
+ *
+ * NOTE! We MUST NOT take any locks for this case. We may
+ * be in an interrupt or a critical region, and should
+ * only copy the information from the master page table,
+ * nothing more.
+ */
+ if (unlikely(fault_in_kernel_space(address))) {
+ if (vmalloc_fault(address) >= 0)
return;
- }
-
- pud = pud_offset(pgd, address);
- pud_k = pud_offset(pgd_k, address);
-
- if (!pud_present(*pud)) {
- if (!pud_present(*pud_k))
- goto bad_area_nosemaphore;
- set_pud(pud, *pud_k);
+ if (notify_page_fault(regs, vec))
return;
- }
- pmd = pmd_offset(pud, address);
- pmd_k = pmd_offset(pud_k, address);
- if (pmd_present(*pmd) || !pmd_present(*pmd_k))
- goto bad_area_nosemaphore;
- set_pmd(pmd, *pmd_k);
-
- return;
+ goto bad_area_nosemaphore;
}
- mm = tsk->mm;
-
- if (unlikely(notify_page_fault(regs, lookup_exception_vector())))
+ if (unlikely(notify_page_fault(regs, vec)))
return;
/* Only enable interrupts if they were on before the fault */
perf_swcounter_event(PERF_COUNT_SW_PAGE_FAULTS, 1, 0, regs, address);
/*
- * If we're in an interrupt or have no user
- * context, we must not take the fault..
+ * If we're in an interrupt, have no user context or are running
+ * in an atomic region then we must not take the fault:
*/
if (in_atomic() || !mm)
goto no_context;
goto bad_area;
if (expand_stack(vma, address))
goto bad_area;
-/*
- * Ok, we have a good vm_area for this memory access, so
- * we can handle it..
- */
+
+ /*
+ * Ok, we have a good vm_area for this memory access, so
+ * we can handle it..
+ */
good_area:
si_code = SEGV_ACCERR;
if (writeaccess) {
up_read(&mm->mmap_sem);
return;
-/*
- * Something tried to access memory that isn't in our memory map..
- * Fix it, but check if it's kernel or user first..
- */
+ /*
+ * Something tried to access memory that isn't in our memory map..
+ * Fix it, but check if it's kernel or user first..
+ */
bad_area:
up_read(&mm->mmap_sem);
*/
#include <linux/module.h>
#include <linux/bootmem.h>
+#include <linux/lmb.h>
#include <linux/mm.h>
#include <linux/numa.h>
#include <linux/pfn.h>
void __init setup_memory(void)
{
unsigned long free_pfn = PFN_UP(__pa(_end));
+ u64 base = min_low_pfn << PAGE_SHIFT;
+ u64 size = (max_low_pfn << PAGE_SHIFT) - min_low_pfn;
+
+ lmb_add(base, size);
+
+ /* Reserve the LMB regions used by the kernel, initrd, etc.. */
+ lmb_reserve(__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET,
+ (PFN_PHYS(free_pfn) + PAGE_SIZE - 1) -
+ (__MEMORY_START + CONFIG_ZERO_PAGE_OFFSET));
/*
* Node 0 sets up its pgdat at the first available pfn,
void __init setup_bootmem_node(int nid, unsigned long start, unsigned long end)
{
- unsigned long bootmap_pages, bootmap_start, bootmap_size;
- unsigned long start_pfn, free_pfn, end_pfn;
+ unsigned long bootmap_pages;
+ unsigned long start_pfn, end_pfn;
+ unsigned long bootmem_paddr;
/* Don't allow bogus node assignment */
BUG_ON(nid > MAX_NUMNODES || nid == 0);
- /*
- * The free pfn starts at the beginning of the range, and is
- * advanced as necessary for pgdat and node map allocations.
- */
- free_pfn = start_pfn = start >> PAGE_SHIFT;
+ start_pfn = start >> PAGE_SHIFT;
end_pfn = end >> PAGE_SHIFT;
+ lmb_add(start, end - start);
+
__add_active_range(nid, start_pfn, end_pfn);
/* Node-local pgdat */
- NODE_DATA(nid) = pfn_to_kaddr(free_pfn);
- free_pfn += PFN_UP(sizeof(struct pglist_data));
+ NODE_DATA(nid) = __va(lmb_alloc_base(sizeof(struct pglist_data),
+ SMP_CACHE_BYTES, end_pfn));
memset(NODE_DATA(nid), 0, sizeof(struct pglist_data));
NODE_DATA(nid)->bdata = &bootmem_node_data[nid];
/* Node-local bootmap */
bootmap_pages = bootmem_bootmap_pages(end_pfn - start_pfn);
- bootmap_start = (unsigned long)pfn_to_kaddr(free_pfn);
- bootmap_size = init_bootmem_node(NODE_DATA(nid), free_pfn, start_pfn,
- end_pfn);
+ bootmem_paddr = lmb_alloc_base(bootmap_pages << PAGE_SHIFT,
+ PAGE_SIZE, end_pfn);
+ init_bootmem_node(NODE_DATA(nid), bootmem_paddr >> PAGE_SHIFT,
+ start_pfn, end_pfn);
free_bootmem_with_active_regions(nid, end_pfn);
/* Reserve the pgdat and bootmap space with the bootmem allocator */
reserve_bootmem_node(NODE_DATA(nid), start_pfn << PAGE_SHIFT,
sizeof(struct pglist_data), BOOTMEM_DEFAULT);
- reserve_bootmem_node(NODE_DATA(nid), free_pfn << PAGE_SHIFT,
+ reserve_bootmem_node(NODE_DATA(nid), bootmem_paddr,
bootmap_pages << PAGE_SHIFT, BOOTMEM_DEFAULT);
/* It's up */
MODULE_AUTHOR("Yoshihiro Shimoda");
MODULE_ALIAS("platform:m66592_udc");
-#define DRIVER_VERSION "18 Oct 2007"
+#define DRIVER_VERSION "26 Jun 2009"
/* module parameters */
#if defined(CONFIG_SUPERH_BUILT_IN_M66592)
buf_bsize = 0;
break;
case M66592_BULK:
- bufnum = m66592->bi_bufnum +
- (info->pipe - M66592_BASE_PIPENUM_BULK) * 16;
- m66592->bi_bufnum += 16;
+ /* isochronous pipes may be used as bulk pipes */
+ if (info->pipe > M66592_BASE_PIPENUM_BULK)
+ bufnum = info->pipe - M66592_BASE_PIPENUM_BULK;
+ else
+ bufnum = info->pipe - M66592_BASE_PIPENUM_ISOC;
+
+ bufnum = M66592_BASE_BUFNUM + (bufnum * 16);
buf_bsize = 7;
pipecfg |= M66592_DBLB;
if (!info->dir_in)
pipecfg |= M66592_SHTNAK;
break;
case M66592_ISO:
- bufnum = m66592->bi_bufnum +
+ bufnum = M66592_BASE_BUFNUM +
(info->pipe - M66592_BASE_PIPENUM_ISOC) * 16;
- m66592->bi_bufnum += 16;
buf_bsize = 7;
break;
}
- if (m66592->bi_bufnum > M66592_MAX_BUFNUM) {
- pr_err("m66592 pipe memory is insufficient(%d)\n",
- m66592->bi_bufnum);
+
+ if (buf_bsize && ((bufnum + 16) >= M66592_MAX_BUFNUM)) {
+ pr_err("m66592 pipe memory is insufficient\n");
return -ENOMEM;
}
if (info->pipe == 0)
return;
- switch (info->type) {
- case M66592_BULK:
- if (is_bulk_pipe(info->pipe))
- m66592->bi_bufnum -= 16;
- break;
- case M66592_ISO:
- if (is_isoc_pipe(info->pipe))
- m66592->bi_bufnum -= 16;
- break;
- }
-
if (is_bulk_pipe(info->pipe)) {
m66592->bulk--;
} else if (is_interrupt_pipe(info->pipe))
m66592->timer.data = (unsigned long)m66592;
m66592->reg = reg;
- m66592->bi_bufnum = M66592_BASE_BUFNUM;
-
ret = request_irq(irq, m66592_irq, IRQF_DISABLED | IRQF_SHARED,
udc_name, m66592);
if (ret < 0) {
int interrupt;
int isochronous;
int num_dma;
- int bi_bufnum; /* bulk and isochronous's bufnum */
};
#define gadget_to_m66592(_gadget) container_of(_gadget, struct m66592, gadget)
To compile this driver as a module, choose M here: the
module will be called r8a66597-hcd.
-config SUPERH_ON_CHIP_R8A66597
- boolean "Enable SuperH on-chip R8A66597 USB"
- depends on USB_R8A66597_HCD && (CPU_SUBTYPE_SH7366 || CPU_SUBTYPE_SH7723 || CPU_SUBTYPE_SH7724)
- help
- This driver enables support for the on-chip R8A66597 in the
- SH7366, SH7723 and SH7724 processors.
-
config USB_WHCI_HCD
tristate "Wireless USB Host Controller Interface (WHCI) driver (EXPERIMENTAL)"
depends on EXPERIMENTAL
u16 tmp;
int i = 0;
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
-#if defined(CONFIG_HAVE_CLK)
- clk_enable(r8a66597->clk);
+ if (r8a66597->pdata->on_chip) {
+#ifdef CONFIG_HAVE_CLK
+ clk_enable(r8a66597->clk);
#endif
- do {
- r8a66597_write(r8a66597, SCKE, SYSCFG0);
- tmp = r8a66597_read(r8a66597, SYSCFG0);
- if (i++ > 1000) {
- printk(KERN_ERR "r8a66597: register access fail.\n");
- return -ENXIO;
- }
- } while ((tmp & SCKE) != SCKE);
- r8a66597_write(r8a66597, 0x04, 0x02);
-#else
- do {
- r8a66597_write(r8a66597, USBE, SYSCFG0);
- tmp = r8a66597_read(r8a66597, SYSCFG0);
- if (i++ > 1000) {
- printk(KERN_ERR "r8a66597: register access fail.\n");
- return -ENXIO;
- }
- } while ((tmp & USBE) != USBE);
- r8a66597_bclr(r8a66597, USBE, SYSCFG0);
- r8a66597_mdfy(r8a66597, get_xtal_from_pdata(r8a66597->pdata), XTAL,
- SYSCFG0);
+ do {
+ r8a66597_write(r8a66597, SCKE, SYSCFG0);
+ tmp = r8a66597_read(r8a66597, SYSCFG0);
+ if (i++ > 1000) {
+ printk(KERN_ERR "r8a66597: reg access fail.\n");
+ return -ENXIO;
+ }
+ } while ((tmp & SCKE) != SCKE);
+ r8a66597_write(r8a66597, 0x04, 0x02);
+ } else {
+ do {
+ r8a66597_write(r8a66597, USBE, SYSCFG0);
+ tmp = r8a66597_read(r8a66597, SYSCFG0);
+ if (i++ > 1000) {
+ printk(KERN_ERR "r8a66597: reg access fail.\n");
+ return -ENXIO;
+ }
+ } while ((tmp & USBE) != USBE);
+ r8a66597_bclr(r8a66597, USBE, SYSCFG0);
+ r8a66597_mdfy(r8a66597, get_xtal_from_pdata(r8a66597->pdata),
+ XTAL, SYSCFG0);
- i = 0;
- r8a66597_bset(r8a66597, XCKE, SYSCFG0);
- do {
- msleep(1);
- tmp = r8a66597_read(r8a66597, SYSCFG0);
- if (i++ > 500) {
- printk(KERN_ERR "r8a66597: register access fail.\n");
- return -ENXIO;
- }
- } while ((tmp & SCKE) != SCKE);
-#endif /* #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) */
+ i = 0;
+ r8a66597_bset(r8a66597, XCKE, SYSCFG0);
+ do {
+ msleep(1);
+ tmp = r8a66597_read(r8a66597, SYSCFG0);
+ if (i++ > 500) {
+ printk(KERN_ERR "r8a66597: reg access fail.\n");
+ return -ENXIO;
+ }
+ } while ((tmp & SCKE) != SCKE);
+ }
return 0;
}
{
r8a66597_bclr(r8a66597, SCKE, SYSCFG0);
udelay(1);
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
-#if defined(CONFIG_HAVE_CLK)
- clk_disable(r8a66597->clk);
-#endif
-#else
- r8a66597_bclr(r8a66597, PLLC, SYSCFG0);
- r8a66597_bclr(r8a66597, XCKE, SYSCFG0);
- r8a66597_bclr(r8a66597, USBE, SYSCFG0);
+
+ if (r8a66597->pdata->on_chip) {
+#ifdef CONFIG_HAVE_CLK
+ clk_disable(r8a66597->clk);
#endif
+ } else {
+ r8a66597_bclr(r8a66597, PLLC, SYSCFG0);
+ r8a66597_bclr(r8a66597, XCKE, SYSCFG0);
+ r8a66597_bclr(r8a66597, USBE, SYSCFG0);
+ }
}
static void r8a66597_enable_port(struct r8a66597 *r8a66597, int port)
r8a66597_bset(r8a66597, SIGNE | SACKE, INTENB1);
- for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
+ for (port = 0; port < r8a66597->max_root_hub; port++)
r8a66597_enable_port(r8a66597, port);
return 0;
r8a66597_write(r8a66597, 0, INTENB0);
r8a66597_write(r8a66597, 0, INTSTS0);
- for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
+ for (port = 0; port < r8a66597->max_root_hub; port++)
r8a66597_disable_port(r8a66597, port);
r8a66597_clock_disable(r8a66597);
return ((strlen(devpath) >= 4) ? 1 : 0);
}
-static void get_port_number(char *devpath, u16 *root_port, u16 *hub_port)
+static void get_port_number(struct r8a66597 *r8a66597,
+ char *devpath, u16 *root_port, u16 *hub_port)
{
if (root_port) {
*root_port = (devpath[0] & 0x0F) - 1;
- if (*root_port >= R8A66597_MAX_ROOT_HUB)
+ if (*root_port >= r8a66597->max_root_hub)
printk(KERN_ERR "r8a66597: Illegal root port number.\n");
}
if (hub_port)
INIT_LIST_HEAD(&dev->device_list);
list_add_tail(&dev->device_list, &r8a66597->child_device);
- get_port_number(urb->dev->devpath, &dev->root_port, &dev->hub_port);
+ get_port_number(r8a66597, urb->dev->devpath,
+ &dev->root_port, &dev->hub_port);
if (!is_child_device(urb->dev->devpath))
r8a66597->root_hub[dev->root_port].dev = dev;
list_del(&dev->device_list);
kfree(dev);
- for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++) {
+ for (port = 0; port < r8a66597->max_root_hub; port++) {
if (r8a66597->root_hub[port].dev == dev) {
r8a66597->root_hub[port].dev = NULL;
break;
r8a66597_bset(r8a66597, SQCLR, pipe->pipectr);
}
+static inline unsigned short mbw_value(struct r8a66597 *r8a66597)
+{
+ if (r8a66597->pdata->on_chip)
+ return MBW_32;
+ else
+ return MBW_16;
+}
+
/* this function must be called with interrupt disabled */
static inline void cfifo_change(struct r8a66597 *r8a66597, u16 pipenum)
{
- r8a66597_mdfy(r8a66597, MBW | pipenum, MBW | CURPIPE, CFIFOSEL);
+ unsigned short mbw = mbw_value(r8a66597);
+
+ r8a66597_mdfy(r8a66597, mbw | pipenum, mbw | CURPIPE, CFIFOSEL);
r8a66597_reg_wait(r8a66597, CFIFOSEL, CURPIPE, pipenum);
}
static inline void fifo_change_from_pipe(struct r8a66597 *r8a66597,
struct r8a66597_pipe *pipe)
{
+ unsigned short mbw = mbw_value(r8a66597);
+
cfifo_change(r8a66597, 0);
- r8a66597_mdfy(r8a66597, MBW | 0, MBW | CURPIPE, D0FIFOSEL);
- r8a66597_mdfy(r8a66597, MBW | 0, MBW | CURPIPE, D1FIFOSEL);
+ r8a66597_mdfy(r8a66597, mbw | 0, mbw | CURPIPE, D0FIFOSEL);
+ r8a66597_mdfy(r8a66597, mbw | 0, mbw | CURPIPE, D1FIFOSEL);
- r8a66597_mdfy(r8a66597, MBW | pipe->info.pipenum, MBW | CURPIPE,
+ r8a66597_mdfy(r8a66597, mbw | pipe->info.pipenum, mbw | CURPIPE,
pipe->fifosel);
r8a66597_reg_wait(r8a66597, pipe->fifosel, CURPIPE, pipe->info.pipenum);
}
struct r8a66597_pipe *pipe,
struct urb *urb)
{
-#if !defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
int i;
struct r8a66597_pipe_info *info = &pipe->info;
+ unsigned short mbw = mbw_value(r8a66597);
+
+ /* pipe dma is only for external controlles */
+ if (r8a66597->pdata->on_chip)
+ return;
if ((pipe->info.pipenum != 0) && (info->type != R8A66597_INT)) {
for (i = 0; i < R8A66597_MAX_DMA_CHANNEL; i++) {
set_pipe_reg_addr(pipe, i);
cfifo_change(r8a66597, 0);
- r8a66597_mdfy(r8a66597, MBW | pipe->info.pipenum,
- MBW | CURPIPE, pipe->fifosel);
+ r8a66597_mdfy(r8a66597, mbw | pipe->info.pipenum,
+ mbw | CURPIPE, pipe->fifosel);
r8a66597_reg_wait(r8a66597, pipe->fifosel, CURPIPE,
pipe->info.pipenum);
break;
}
}
-#endif /* #if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) */
}
/* this function must be called with interrupt disabled */
spin_lock_irqsave(&r8a66597->lock, flags);
- for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++)
+ for (port = 0; port < r8a66597->max_root_hub; port++)
r8a66597_root_hub_control(r8a66597, port);
spin_unlock_irqrestore(&r8a66597->lock, flags);
u16 root_port, hub_port;
if (usb_address == 0) {
- get_port_number(urb->dev->devpath,
+ get_port_number(r8a66597, urb->dev->devpath,
&root_port, &hub_port);
set_devadd_reg(r8a66597, 0,
get_r8a66597_usb_speed(urb->dev->speed),
*buf = 0; /* initialize (no change) */
- for (i = 0; i < R8A66597_MAX_ROOT_HUB; i++) {
+ for (i = 0; i < r8a66597->max_root_hub; i++) {
if (r8a66597->root_hub[i].port & 0xffff0000)
*buf |= 1 << (i + 1);
}
{
desc->bDescriptorType = 0x29;
desc->bHubContrCurrent = 0;
- desc->bNbrPorts = R8A66597_MAX_ROOT_HUB;
+ desc->bNbrPorts = r8a66597->max_root_hub;
desc->bDescLength = 9;
desc->bPwrOn2PwrGood = 0;
desc->wHubCharacteristics = cpu_to_le16(0x0011);
- desc->bitmap[0] = ((1 << R8A66597_MAX_ROOT_HUB) - 1) << 1;
+ desc->bitmap[0] = ((1 << r8a66597->max_root_hub) - 1) << 1;
desc->bitmap[1] = ~0;
}
}
break;
case ClearPortFeature:
- if (wIndex > R8A66597_MAX_ROOT_HUB)
+ if (wIndex > r8a66597->max_root_hub)
goto error;
if (wLength != 0)
goto error;
*buf = 0x00;
break;
case GetPortStatus:
- if (wIndex > R8A66597_MAX_ROOT_HUB)
+ if (wIndex > r8a66597->max_root_hub)
goto error;
*(__le32 *)buf = cpu_to_le32(rh->port);
break;
case SetPortFeature:
- if (wIndex > R8A66597_MAX_ROOT_HUB)
+ if (wIndex > r8a66597->max_root_hub)
goto error;
if (wLength != 0)
goto error;
dbg("%s", __func__);
- for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++) {
+ for (port = 0; port < r8a66597->max_root_hub; port++) {
struct r8a66597_root_hub *rh = &r8a66597->root_hub[port];
unsigned long dvstctr_reg = get_dvstctr_reg(port);
dbg("%s", __func__);
- for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++) {
+ for (port = 0; port < r8a66597->max_root_hub; port++) {
struct r8a66597_root_hub *rh = &r8a66597->root_hub[port];
unsigned long dvstctr_reg = get_dvstctr_reg(port);
};
#if defined(CONFIG_PM)
-static int r8a66597_suspend(struct platform_device *pdev, pm_message_t state)
+static int r8a66597_suspend(struct device *dev)
{
- struct r8a66597 *r8a66597 = dev_get_drvdata(&pdev->dev);
+ struct r8a66597 *r8a66597 = dev_get_drvdata(dev);
int port;
dbg("%s", __func__);
disable_controller(r8a66597);
- for (port = 0; port < R8A66597_MAX_ROOT_HUB; port++) {
+ for (port = 0; port < r8a66597->max_root_hub; port++) {
struct r8a66597_root_hub *rh = &r8a66597->root_hub[port];
rh->port = 0x00000000;
return 0;
}
-static int r8a66597_resume(struct platform_device *pdev)
+static int r8a66597_resume(struct device *dev)
{
- struct r8a66597 *r8a66597 = dev_get_drvdata(&pdev->dev);
+ struct r8a66597 *r8a66597 = dev_get_drvdata(dev);
struct usb_hcd *hcd = r8a66597_to_hcd(r8a66597);
dbg("%s", __func__);
return 0;
}
+
+static struct dev_pm_ops r8a66597_dev_pm_ops = {
+ .suspend = r8a66597_suspend,
+ .resume = r8a66597_resume,
+};
+
+#define R8A66597_DEV_PM_OPS (&r8a66597_dev_pm_ops)
#else /* if defined(CONFIG_PM) */
-#define r8a66597_suspend NULL
-#define r8a66597_resume NULL
+#define R8A66597_DEV_PM_OPS NULL
#endif
static int __init_or_module r8a66597_remove(struct platform_device *pdev)
del_timer_sync(&r8a66597->rh_timer);
usb_remove_hcd(hcd);
iounmap((void *)r8a66597->reg);
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
- clk_put(r8a66597->clk);
+#ifdef CONFIG_HAVE_CLK
+ if (r8a66597->pdata->on_chip)
+ clk_put(r8a66597->clk);
#endif
usb_put_hcd(hcd);
return 0;
static int __devinit r8a66597_probe(struct platform_device *pdev)
{
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
+#ifdef CONFIG_HAVE_CLK
char clk_name[8];
#endif
struct resource *res = NULL, *ires;
r8a66597->pdata = pdev->dev.platform_data;
r8a66597->irq_sense_low = irq_trigger == IRQF_TRIGGER_LOW;
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
- snprintf(clk_name, sizeof(clk_name), "usb%d", pdev->id);
- r8a66597->clk = clk_get(&pdev->dev, clk_name);
- if (IS_ERR(r8a66597->clk)) {
- dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
- ret = PTR_ERR(r8a66597->clk);
- goto clean_up2;
- }
+ if (r8a66597->pdata->on_chip) {
+#ifdef CONFIG_HAVE_CLK
+ snprintf(clk_name, sizeof(clk_name), "usb%d", pdev->id);
+ r8a66597->clk = clk_get(&pdev->dev, clk_name);
+ if (IS_ERR(r8a66597->clk)) {
+ dev_err(&pdev->dev, "cannot get clock \"%s\"\n",
+ clk_name);
+ ret = PTR_ERR(r8a66597->clk);
+ goto clean_up2;
+ }
#endif
+ r8a66597->max_root_hub = 1;
+ } else
+ r8a66597->max_root_hub = 2;
spin_lock_init(&r8a66597->lock);
init_timer(&r8a66597->rh_timer);
return 0;
clean_up3:
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
- clk_put(r8a66597->clk);
+#ifdef CONFIG_HAVE_CLK
+ if (r8a66597->pdata->on_chip)
+ clk_put(r8a66597->clk);
clean_up2:
#endif
usb_put_hcd(hcd);
static struct platform_driver r8a66597_driver = {
.probe = r8a66597_probe,
.remove = r8a66597_remove,
- .suspend = r8a66597_suspend,
- .resume = r8a66597_resume,
.driver = {
.name = (char *) hcd_name,
.owner = THIS_MODULE,
+ .pm = R8A66597_DEV_PM_OPS,
},
};
#ifndef __R8A66597_H__
#define __R8A66597_H__
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
+#ifdef CONFIG_HAVE_CLK
#include <linux/clk.h>
#endif
#define REW 0x4000 /* b14: Buffer rewind */
#define DCLRM 0x2000 /* b13: DMA buffer clear mode */
#define DREQE 0x1000 /* b12: DREQ output enable */
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
-#define MBW 0x0800
-#else
-#define MBW 0x0400 /* b10: Maximum bit width for FIFO access */
-#endif
#define MBW_8 0x0000 /* 8bit */
#define MBW_16 0x0400 /* 16bit */
+#define MBW_32 0x0800 /* 32bit */
#define BIGEND 0x0100 /* b8: Big endian mode */
#define BYTE_LITTLE 0x0000 /* little dendian */
#define BYTE_BIG 0x0100 /* big endifan */
#define R8A66597_MAX_NUM_PIPE 10
#define R8A66597_BUF_BSIZE 8
#define R8A66597_MAX_DEVICE 10
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
-#define R8A66597_MAX_ROOT_HUB 1
-#else
#define R8A66597_MAX_ROOT_HUB 2
-#endif
#define R8A66597_MAX_SAMPLING 5
#define R8A66597_RH_POLL_TIME 10
#define R8A66597_MAX_DMA_CHANNEL 2
struct r8a66597 {
spinlock_t lock;
unsigned long reg;
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597) && defined(CONFIG_HAVE_CLK)
+#ifdef CONFIG_HAVE_CLK
struct clk *clk;
#endif
struct r8a66597_platdata *pdata;
unsigned short interval_map;
unsigned char pipe_cnt[R8A66597_MAX_NUM_PIPE];
unsigned char dma_map;
+ unsigned int max_root_hub;
struct list_head child_device;
unsigned long child_connect_map[4];
unsigned long offset, u16 *buf,
int len)
{
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
unsigned long fifoaddr = r8a66597->reg + offset;
unsigned long count;
- count = len / 4;
- insl(fifoaddr, buf, count);
+ if (r8a66597->pdata->on_chip) {
+ count = len / 4;
+ insl(fifoaddr, buf, count);
- if (len & 0x00000003) {
- unsigned long tmp = inl(fifoaddr);
- memcpy((unsigned char *)buf + count * 4, &tmp, len & 0x03);
+ if (len & 0x00000003) {
+ unsigned long tmp = inl(fifoaddr);
+ memcpy((unsigned char *)buf + count * 4, &tmp,
+ len & 0x03);
+ }
+ } else {
+ len = (len + 1) / 2;
+ insw(fifoaddr, buf, len);
}
-#else
- len = (len + 1) / 2;
- insw(r8a66597->reg + offset, buf, len);
-#endif
}
static inline void r8a66597_write(struct r8a66597 *r8a66597, u16 val,
int len)
{
unsigned long fifoaddr = r8a66597->reg + offset;
-#if defined(CONFIG_SUPERH_ON_CHIP_R8A66597)
unsigned long count;
unsigned char *pb;
int i;
- count = len / 4;
- outsl(fifoaddr, buf, count);
+ if (r8a66597->pdata->on_chip) {
+ count = len / 4;
+ outsl(fifoaddr, buf, count);
+
+ if (len & 0x00000003) {
+ pb = (unsigned char *)buf + count * 4;
+ for (i = 0; i < (len & 0x00000003); i++) {
+ if (r8a66597_read(r8a66597, CFIFOSEL) & BIGEND)
+ outb(pb[i], fifoaddr + i);
+ else
+ outb(pb[i], fifoaddr + 3 - i);
+ }
+ }
+ } else {
+ int odd = len & 0x0001;
- if (len & 0x00000003) {
- pb = (unsigned char *)buf + count * 4;
- for (i = 0; i < (len & 0x00000003); i++) {
- if (r8a66597_read(r8a66597, CFIFOSEL) & BIGEND)
- outb(pb[i], fifoaddr + i);
- else
- outb(pb[i], fifoaddr + 3 - i);
+ len = len / 2;
+ outsw(fifoaddr, buf, len);
+ if (unlikely(odd)) {
+ buf = &buf[len];
+ outb((unsigned char)*buf, fifoaddr);
}
}
-#else
- int odd = len & 0x0001;
-
- len = len / 2;
- outsw(fifoaddr, buf, len);
- if (unlikely(odd)) {
- buf = &buf[len];
- outb((unsigned char)*buf, fifoaddr);
- }
-#endif
}
static inline void r8a66597_mdfy(struct r8a66597 *r8a66597,
config FB_SH_MOBILE_LCDC
tristate "SuperH Mobile LCDC framebuffer support"
- depends on FB && SUPERH
+ depends on FB && SUPERH && HAVE_CLK
select FB_SYS_FILLRECT
select FB_SYS_COPYAREA
select FB_SYS_IMAGEBLIT
struct sh_mobile_lcdc_priv {
void __iomem *base;
int irq;
-#ifdef CONFIG_HAVE_CLK
atomic_t clk_usecnt;
struct clk *dot_clk;
struct clk *clk;
-#endif
unsigned long lddckr;
struct sh_mobile_lcdc_chan ch[2];
int started;
lcdc_sys_read_data,
};
-#ifdef CONFIG_HAVE_CLK
static void sh_mobile_lcdc_clk_on(struct sh_mobile_lcdc_priv *priv)
{
if (atomic_inc_and_test(&priv->clk_usecnt)) {
clk_disable(priv->clk);
}
}
-#else
-static void sh_mobile_lcdc_clk_on(struct sh_mobile_lcdc_priv *priv) {}
-static void sh_mobile_lcdc_clk_off(struct sh_mobile_lcdc_priv *priv) {}
-#endif
static int sh_mobile_lcdc_sginit(struct fb_info *info,
struct list_head *pagelist)
board_cfg = &ch->cfg.board_cfg;
if (board_cfg->display_off)
board_cfg->display_off(board_cfg->board_data);
-
}
/* stop the lcdc */
int clock_source,
struct sh_mobile_lcdc_priv *priv)
{
-#ifdef CONFIG_HAVE_CLK
char clk_name[8];
-#endif
char *str;
int icksel;
priv->lddckr = icksel << 16;
-#ifdef CONFIG_HAVE_CLK
atomic_set(&priv->clk_usecnt, -1);
snprintf(clk_name, sizeof(clk_name), "lcdc%d", pdev->id);
priv->clk = clk_get(&pdev->dev, clk_name);
dev_err(&pdev->dev, "cannot get clock \"%s\"\n", clk_name);
return PTR_ERR(priv->clk);
}
-
+
if (str) {
priv->dot_clk = clk_get(&pdev->dev, str);
if (IS_ERR(priv->dot_clk)) {
return PTR_ERR(priv->dot_clk);
}
}
-#endif
return 0;
}
framebuffer_release(info);
}
-#ifdef CONFIG_HAVE_CLK
if (priv->dot_clk)
clk_put(priv->dot_clk);
clk_put(priv->clk);
-#endif
if (priv->base)
iounmap(priv->base);
/* This ops can controll port power instead of DVSTCTR register. */
void (*port_power)(int port, int power);
+ /* set one = on chip controller, set zero = external controller */
+ unsigned on_chip:1;
+
/* (external controller only) set R8A66597_PLATDATA_XTAL_nnMHZ */
unsigned xtal:2;
projects / platform / kernel / linux-starfive.git / commitdiff