summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--CREDITS5
-rw-r--r--Makefile3
-rw-r--r--common/cmd_bootm.c2
-rw-r--r--cpu/sh4/Makefile46
-rw-r--r--cpu/sh4/config.mk28
-rw-r--r--cpu/sh4/cpu.c67
-rw-r--r--cpu/sh4/interrupts.c39
-rw-r--r--cpu/sh4/start.S75
-rw-r--r--cpu/sh4/time.c94
-rw-r--r--cpu/sh4/watchdog.c50
-rw-r--r--drivers/Makefile2
-rw-r--r--drivers/serial_sh.c177
-rw-r--r--examples/Makefile5
-rw-r--r--examples/stubs.c16
-rw-r--r--include/asm-sh/bitops.h13
-rw-r--r--include/asm-sh/byteorder.h31
-rw-r--r--include/asm-sh/cpu_sh4.h10
-rw-r--r--include/asm-sh/cpu_sh7750.h145
-rw-r--r--include/asm-sh/global_data.h50
-rw-r--r--include/asm-sh/io.h292
-rw-r--r--include/asm-sh/posix_types.h123
-rw-r--r--include/asm-sh/processor.h8
-rw-r--r--include/asm-sh/ptrace.h112
-rw-r--r--include/asm-sh/string.h132
-rw-r--r--include/asm-sh/system.h275
-rw-r--r--include/asm-sh/types.h59
-rw-r--r--include/asm-sh/u-boot.h44
-rw-r--r--lib_sh/Makefile42
-rw-r--r--lib_sh/board.c163
-rw-r--r--lib_sh/sh_linux.c74
-rw-r--r--lib_sh/time.c76
31 files changed, 2257 insertions, 1 deletions
diff --git a/CREDITS b/CREDITS
index 7af1b80..e94372d 100644
--- a/CREDITS
+++ b/CREDITS
@@ -479,3 +479,8 @@ N: Michal Simek
E: monstr@monstr.eu
D: Support for Microblaze, ML401, XUPV2P board
W: www.monstr.eu
+
+N: Nobuhiro Iwamatsu
+E: iwamatsu@nigauri.org
+D: Support for SuperH, MS7750SE01 , MS7780SE03 board
+W: www.nigauri.org
diff --git a/Makefile b/Makefile
index ceee2c7..1a9b3d2 100644
--- a/Makefile
+++ b/Makefile
@@ -151,6 +151,9 @@ endif
ifeq ($(ARCH),avr32)
CROSS_COMPILE = avr32-linux-
endif
+ifeq ($(ARCH),sh)
+CROSS_COMPILE = sh4-linux-
+endif
endif
endif
diff --git a/common/cmd_bootm.c b/common/cmd_bootm.c
index a6499e8..8af0589 100644
--- a/common/cmd_bootm.c
+++ b/common/cmd_bootm.c
@@ -267,6 +267,8 @@ int do_bootm (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
if (hdr->ih_arch != IH_CPU_NIOS2)
#elif defined(__PPC__)
if (hdr->ih_arch != IH_CPU_PPC)
+#elif defined(__sh__)
+ if (hdr->ih_arch != IH_CPU_SH)
#else
# error Unknown CPU type
#endif
diff --git a/cpu/sh4/Makefile b/cpu/sh4/Makefile
new file mode 100644
index 0000000..b24a280
--- /dev/null
+++ b/cpu/sh4/Makefile
@@ -0,0 +1,46 @@
+#
+# (C) Copyright 2000-2006
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2007
+# Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# 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 $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(CPU).a
+
+START = start.o
+OBJS = cpu.o interrupts.o watchdog.o time.o
+
+all: .depend $(START) $(LIB)
+
+$(LIB): $(OBJS)
+ $(AR) crv $@ $(OBJS)
+
+#########################################################################
+
+.depend: Makefile $(START:.o=.S) $(OBJS:.o=.c)
+ $(CC) -M $(CFLAGS) $(START:.o=.S) $(OBJS:.o=.c) > $@
+
+sinclude .depend
+
+#########################################################################
diff --git a/cpu/sh4/config.mk b/cpu/sh4/config.mk
new file mode 100644
index 0000000..2dc7b91
--- /dev/null
+++ b/cpu/sh4/config.mk
@@ -0,0 +1,28 @@
+#
+# (C) Copyright 2000-2004
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+#
+# (C) Copyright 2007
+# Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+#
+# See file CREDITS for list of people who contributed to this
+# project.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# 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
+#
+#
+PLATFORM_CPPFLAGS += -m4-nofpu
+PLATFORM_RELFLAGS += -ffixed-r13
diff --git a/cpu/sh4/cpu.c b/cpu/sh4/cpu.c
new file mode 100644
index 0000000..70df45e
--- /dev/null
+++ b/cpu/sh4/cpu.c
@@ -0,0 +1,67 @@
+/*
+ * (C) Copyright 2007
+ * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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 <common.h>
+#include <command.h>
+
+int checkcpu(void)
+{
+ puts("CPU: SH4\n");
+ return 0;
+}
+
+int cpu_init (void)
+{
+ return 0;
+}
+
+int cleanup_before_linux (void)
+{
+ disable_interrupts();
+ return 0;
+}
+
+int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ disable_interrupts();
+ reset_cpu (0);
+ return 0;
+}
+
+void flush_cache (unsigned long addr, unsigned long size){}
+
+void icache_enable (void)
+{
+
+}
+
+void icache_disable (void)
+{
+
+}
+
+
+int icache_status (void)
+{
+ return 0;
+}
diff --git a/cpu/sh4/interrupts.c b/cpu/sh4/interrupts.c
new file mode 100644
index 0000000..d310dd2
--- /dev/null
+++ b/cpu/sh4/interrupts.c
@@ -0,0 +1,39 @@
+/*
+ * (C) Copyright 2007
+ * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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 <common.h>
+
+int interrupt_init (void)
+{
+ return 0;
+}
+
+void enable_interrupts (void)
+{
+
+}
+
+int disable_interrupts (void){
+ return 0;
+}
+
diff --git a/cpu/sh4/start.S b/cpu/sh4/start.S
new file mode 100644
index 0000000..d88b705
--- /dev/null
+++ b/cpu/sh4/start.S
@@ -0,0 +1,75 @@
+/*
+ * (C) Copyright 2007
+ * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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 <config.h>
+#include <version.h>
+
+ .text
+ .align 2
+
+ .global _start
+_start:
+ mov.l ._lowlevel_init, r0
+100: bsrf r0
+ nop
+
+ bsr 1f
+ nop
+1: sts pr, r5
+ mov.l ._reloc_dst, r4
+ add #(_start-1b), r5
+ mov.l ._reloc_dst_end, r6
+
+2: mov.l @r5+, r1
+ mov.l r1, @r4
+ add #4, r4
+ cmp/hs r6, r4
+ bf 2b
+
+ mov.l ._bss_start, r4
+ mov.l ._bss_end, r5
+ mov #0, r1
+
+3: mov.l r1, @r4 /* bss clear */
+ add #4, r4
+ cmp/hs r5, r4
+ bf 3b
+
+ mov.l ._gd_init, r13 /* global data */
+ mov.l ._stack_init, r15 /* stack */
+
+ mov.l ._sh_generic_init, r0
+ jsr @r0
+ nop
+
+loop:
+ bra loop
+
+ .align 2
+
+._lowlevel_init: .long (lowlevel_init - (100b + 4))
+._reloc_dst: .long reloc_dst
+._reloc_dst_end: .long reloc_dst_end
+._bss_start: .long bss_start
+._bss_end: .long bss_end
+._gd_init: .long (_start - CFG_GBL_DATA_SIZE)
+._stack_init: .long (_start - CFG_GBL_DATA_SIZE - CFG_MALLOC_LEN - 16)
+._sh_generic_init: .long sh_generic_init
+
diff --git a/cpu/sh4/time.c b/cpu/sh4/time.c
new file mode 100644
index 0000000..b6e4d02
--- /dev/null
+++ b/cpu/sh4/time.c
@@ -0,0 +1,94 @@
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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 <common.h>
+#include <asm/processor.h>
+
+#define TMU_MAX_COUNTER (~0UL)
+
+static void tmu_timer_start (unsigned int timer)
+{
+ if (timer > 2)
+ return;
+
+ *((volatile unsigned char *) TSTR0) |= (1 << timer);
+}
+
+int timer_init (void)
+{
+ /* Divide clock by 4 */
+ *(volatile u16 *)TCR0 = 0;
+
+ tmu_timer_start (0);
+ return 0;
+}
+
+/*
+ In theory we should return a true 64bit value (ie something that doesn't
+ overflow). However, we don't. Therefore if TMU runs at fastest rate of
+ 6.75 MHz this value will wrap after u-boot has been running for approx
+ 10 minutes.
+*/
+unsigned long long get_ticks (void)
+{
+ return (0 - *((volatile unsigned int *) TCNT0));
+}
+
+unsigned long get_timer (unsigned long base)
+{
+ unsigned long n =
+ *((volatile unsigned int *)TCNT0) ;
+
+ return ((int)n - base ) < 0 ? ( TMU_MAX_COUNTER - ( base -n )):(n - base );
+}
+
+void set_timer (unsigned long t)
+{
+ *((volatile unsigned int *) TCNT0) = (0 - t);
+}
+
+void reset_timer (void)
+{
+ set_timer (0);
+}
+
+void udelay (unsigned long usec)
+{
+ unsigned int start = get_timer (0);
+ unsigned int end = 0;
+ if (usec > 1000000)
+ end = ((usec/100000) * CFG_HZ) / 10;
+ else if (usec > 1000)
+ end = ((usec/100) * CFG_HZ) / 10000;
+ else
+ end = (usec * CFG_HZ) / 1000000;
+
+ while (get_timer (0) < end)
+ continue;
+}
+
+unsigned long get_tbclk (void)
+{
+ return CFG_HZ;
+}
+
diff --git a/cpu/sh4/watchdog.c b/cpu/sh4/watchdog.c
new file mode 100644
index 0000000..e2bc820
--- /dev/null
+++ b/cpu/sh4/watchdog.c
@@ -0,0 +1,50 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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 <common.h>
+#include <asm/processor.h>
+
+#define WDT_BASE WTCNT
+
+static unsigned char cnt_read (void){
+ return *((volatile unsigned char *)(WDT_BASE + 0x00));
+}
+
+static unsigned char csr_read (void){
+ return *((volatile unsigned char *)(WDT_BASE + 0x04));
+}
+
+static void cnt_write (unsigned char value){
+ while (csr_read() & (1 << 5)) {
+ /* delay */
+ }
+ *((volatile unsigned short *)(WDT_BASE + 0x00)) = ((unsigned short) value) | 0x5A00;
+}
+
+static void csr_write (unsigned char value){
+ *((volatile unsigned short *)(WDT_BASE + 0x04)) = ((unsigned short) value) | 0xA500;
+}
+
+
+int watchdog_init (void){ return 0; }
+
+void reset_cpu (unsigned long ignored)
+{
+ while(1);
+}
+
+
diff --git a/drivers/Makefile b/drivers/Makefile
index d68cba6..a3a9986 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -41,7 +41,7 @@ COBJS = 3c589.o 5701rls.o ali512x.o atmel_usart.o \
rtl8019.o rtl8139.o rtl8169.o \
s3c4510b_eth.o s3c4510b_uart.o \
sed13806.o sed156x.o \
- serial.o serial_max3100.o \
+ serial.o serial_max3100.o serial_sh.o \
serial_pl010.o serial_pl011.o serial_xuartlite.o \
sl811_usb.o sm501.o smc91111.o smiLynxEM.o \
status_led.o sym53c8xx.o systemace.o ahci.o \
diff --git a/drivers/serial_sh.c b/drivers/serial_sh.c
new file mode 100644
index 0000000..fca92fd
--- /dev/null
+++ b/drivers/serial_sh.c
@@ -0,0 +1,177 @@
+/*
+ * SuperH SCIF device driver.
+ * Copyright (c) 2007 Nobuhiro Iwamatsu
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 <common.h>
+#include <asm/processor.h>
+
+#ifdef CFG_SCIF_CONSOLE
+
+#if defined (CONFIG_CONS_SCIF0)
+#define SCIF_BASE SCIF0_BASE
+#elif defined (CONFIG_CONS_SCIF1)
+#define SCIF_BASE SCIF1_BASE
+#else
+#error "Default SCIF doesn't set....."
+#endif
+
+#define SCSMR (volatile unsigned short *)(SCIF_BASE + 0x0)
+#define SCBRR (volatile unsigned char *)(SCIF_BASE + 0x4)
+#define SCSCR (volatile unsigned short *)(SCIF_BASE + 0x8)
+#define SCFTDR (volatile unsigned char *)(SCIF_BASE + 0xC)
+#define SCFSR (volatile unsigned short *)(SCIF_BASE + 0x10)
+#define SCFRDR (volatile unsigned char *)(SCIF_BASE + 0x14)
+#define SCFCR (volatile unsigned short *)(SCIF_BASE + 0x18)
+#define SCFDR (volatile unsigned short *)(SCIF_BASE + 0x1C)
+#if defined(CONFIG_SH4A)
+#define SCRFDR (volatile unsigned short *)(SCIF_BASE + 0x20)
+#define SCSPTR (volatile unsigned short *)(SCIF_BASE + 0x24)
+#define SCLSR (volatile unsigned short *)(SCIF_BASE + 0x28)
+#define SCRER (volatile unsigned short *)(SCIF_BASE + 0x2C)
+#elif defined (CONFIG_SH4)
+#define SCSPTR (volatile unsigned short *)(SCIF_BASE + 0x20)
+#define SCLSR (volatile unsigned short *)(SCIF_BASE + 0x24)
+#elif defined (CONFIG_SH3)
+#define SCLSR (volatile unsigned short *)(SCIF_BASE + 0x24)
+#endif
+
+#define SCR_RE (1 << 4)
+#define SCR_TE (1 << 5)
+#define FCR_RFRST (1 << 1) /* RFCL */
+#define FCR_TFRST (1 << 2) /* TFCL */
+#define FSR_DR (1 << 0)
+#define FSR_RDF (1 << 1)
+#define FSR_FER (1 << 3)
+#define FSR_BRK (1 << 4)
+#define FSR_FER (1 << 3)
+#define FSR_TEND (1 << 6)
+#define FSR_ER (1 << 7)
+
+/*----------------------------------------------------------------------*/
+
+void serial_setbrg (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+ int divisor = gd->baudrate * 32;
+
+ *SCBRR = (CONFIG_SYS_CLK_FREQ + (divisor / 2)) /
+ (gd->baudrate * 32) - 1;
+}
+
+int serial_init (void)
+{
+ *SCSCR = (SCR_RE | SCR_TE);
+ *SCSMR = 0 ;
+ *SCSMR = 0;
+ *SCFCR = (FCR_RFRST | FCR_TFRST);
+ *SCFCR;
+ *SCFCR = 0;
+
+ serial_setbrg();
+ return 0;
+}
+
+static int serial_tx_fifo_level (void)
+{
+ return (*SCFDR >> 8) & 0x1F;
+}
+
+static int serial_rx_fifo_level (void)
+{
+ return (*SCFDR >> 0) & 0x1F;
+}
+
+void serial_raw_putc (const char c)
+{
+ unsigned int fsr_bits_to_clear;
+
+ while (1) {
+ if (*SCFSR & FSR_TEND) { /* Tx fifo is empty */
+ fsr_bits_to_clear = FSR_TEND;
+ break;
+ }
+ }
+
+ *SCFTDR = c;
+ if (fsr_bits_to_clear != 0)
+ *SCFSR &= ~fsr_bits_to_clear;
+}
+
+void serial_putc (const char c)
+{
+ if (c == '\n')
+ serial_raw_putc ('\r');
+ serial_raw_putc (c);
+}
+
+void serial_puts (const char *s)
+{
+ char c;
+ while ((c = *s++) != 0)
+ serial_putc (c);
+}
+
+int serial_tstc (void)
+{
+ return serial_rx_fifo_level() ? 1 : 0;
+}
+
+#define FSR_ERR_CLEAR 0x0063
+#define RDRF_CLEAR 0x00fc
+#define LSR_ORER 1
+void handle_error( void ){
+
+ (void)*SCFSR ;
+ *SCFSR = FSR_ERR_CLEAR ;
+ (void)*SCLSR ;
+ *SCLSR = 0x00 ;
+}
+
+int serial_getc_check( void ){
+ unsigned short status;
+
+ status = *SCFSR ;
+
+ if (status & (FSR_FER | FSR_FER | FSR_ER | FSR_BRK))
+ handle_error();
+ if( *SCLSR & LSR_ORER )
+ handle_error();
+ return (status & ( FSR_DR | FSR_RDF ));
+}
+
+int serial_getc (void)
+{
+ unsigned short status ;
+ char ch;
+ while(!serial_getc_check());
+
+ ch = *SCFRDR;
+ status = *SCFSR ;
+
+ *SCFSR = RDRF_CLEAR ;
+
+ if (status & (FSR_FER | FSR_FER | FSR_ER | FSR_BRK))
+ handle_error();
+
+ if( *SCLSR & LSR_ORER )
+ handle_error();
+
+ return ch ;
+}
+
+#endif /* CFG_SCIF_CONSOLE */
diff --git a/examples/Makefile b/examples/Makefile
index e9b4974..71a8c7f 100644
--- a/examples/Makefile
+++ b/examples/Makefile
@@ -61,6 +61,11 @@ ifeq ($(ARCH),avr32)
LOAD_ADDR = 0x00000000
endif
+ifeq ($(ARCH),sh)
+LOAD_ADDR = 0x8C000000
+endif
+
+
include $(TOPDIR)/config.mk
ELF = hello_world
diff --git a/examples/stubs.c b/examples/stubs.c
index 26df6e0..263dd8c 100644
--- a/examples/stubs.c
+++ b/examples/stubs.c
@@ -151,6 +151,22 @@ gd_t *global_data;
: \
: "i"(offsetof(gd_t, jt)), "i"(XF_ ##x) \
: "r8");
+#elif defined(CONFIG_SH)
+/*
+ * r13 holds the pointer to the global_data. r1 is a call clobbered.
+ */
+#define EXPORT_FUNC(x) \
+ asm volatile ( \
+ " .align 2\n" \
+ " .globl " #x "\n" \
+ #x ":\n" \
+ " mov r13, r1\n" \
+ " add %0, r1\n" \
+ " add %1, r1\n" \
+ " jmp @r1\n" \
+ " nop\n" \
+ " nop\n" \
+ : : "i"(offsetof(gd_t, jt)), "i"(XF_ ## x * sizeof(void *)) : "r1");
#else
#error stubs definition missing for this architecture
#endif
diff --git a/include/asm-sh/bitops.h b/include/asm-sh/bitops.h
new file mode 100644
index 0000000..44dca9f
--- /dev/null
+++ b/include/asm-sh/bitops.h
@@ -0,0 +1,13 @@
+#ifndef __ASM_SH_BITOPS_H_
+#define __ASM_SH_BITOPS_H_
+
+extern void set_bit(int nr, volatile void * a);
+extern void clear_bit(int nr, volatile void * a);
+extern int test_and_clear_bit(int nr, volatile void * a);
+extern void change_bit(unsigned long nr, volatile void *addr);
+extern int test_and_set_bit(int nr, volatile void * a);
+extern int test_and_change_bit(int nr, volatile void * addr);
+extern int test_bit(int nr, volatile void * a);
+extern int ffs(int i);
+
+#endif
diff --git a/include/asm-sh/byteorder.h b/include/asm-sh/byteorder.h
new file mode 100644
index 0000000..8836e65
--- /dev/null
+++ b/include/asm-sh/byteorder.h
@@ -0,0 +1,31 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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
+ */
+
+#ifndef __ASM_SH_BYTEORDER_H_
+#define __ASM_SH_BYTEORDER_H_
+
+#include <config.h>
+#include <asm/types.h>
+
+#ifdef __LITTLE_ENDIAN__
+#include <linux/byteorder/little_endian.h>
+#else
+#include <linux/byteorder/big_endian.h>
+#endif
+
+#endif
+
diff --git a/include/asm-sh/cpu_sh4.h b/include/asm-sh/cpu_sh4.h
new file mode 100644
index 0000000..e0275f3
--- /dev/null
+++ b/include/asm-sh/cpu_sh4.h
@@ -0,0 +1,10 @@
+#ifndef _ASM_CPU_SH4_H_
+#define _ASM_CPU_SH4_H_
+#if defined (CONFIG_CPU_SH7750)
+#include <asm/cpu_sh7750.h>
+#elif defined (CONFIG_CPU_SH7780)
+#include <asm/cpu_sh7780.h>
+#else
+#error "Unknown SH4 variant"
+#endif
+#endif
diff --git a/include/asm-sh/cpu_sh7750.h b/include/asm-sh/cpu_sh7750.h
new file mode 100644
index 0000000..eb4f1af
--- /dev/null
+++ b/include/asm-sh/cpu_sh7750.h
@@ -0,0 +1,145 @@
+#ifndef _ASM_CPU_SH7750_H_
+#define _ASM_CPU_SH7750_H_
+
+#define PTEH 0xFF000000
+#define PTEL 0xFF000004
+#define TTB 0xFF000008
+#define TEA 0xFF00000C
+#define MMUCR 0xFF000010
+#define BASRA 0xFF000014
+#define BASRB 0xFF000018
+#define CCR 0xFF00001C
+#define TRA 0xFF000020
+#define EXPEVT 0xFF000024
+#define INTEVT 0xFF000028
+#define PTEA 0xFF000034
+#define QACR0 0xFF000038
+#define QACR1 0xFF00003C
+#define BARA 0xFF200000
+#define BAMRA 0xFF200004
+#define BBRA 0xFF200008
+#define BARB 0xFF20000C
+#define BAMRB 0xFF200010
+#define BBRB 0xFF200014
+#define BDRB 0xFF200018
+#define BDMRB 0xFF20001C
+#define BRCR 0xFF200020
+
+#define BCR1 0xFF800000
+#define BCR2 0xFF800004
+#define BCR3 0xFF800050
+#define BCR4 0xFE0A00F0
+#define WCR1 0xFF800008
+#define WCR2 0xFF80000C
+#define WCR3 0xFF800010
+#define MCR 0xFF800014
+#define PCR 0xFF800018
+#define RTCSR 0xFF80001C
+#define RTCNT 0xFF800020
+#define RTCOR 0xFF800024
+#define RFCR 0xFF800028
+#define PCTRA 0xFF80002C
+#define PDTRA 0xFF800030
+#define PCTRB 0xFF800040
+#define PDTRB 0xFF800044
+#define GPIOIC 0xFF800048
+#define SAR0 0xFFA00000
+#define DAR0 0xFFA00004
+#define DMATCR0 0xFFA00008
+#define CHCR0 0xFFA0000C
+#define SAR1 0xFFA00010
+#define DAR1 0xFFA00014
+#define DMATCR1 0xFFA00018
+#define CHCR1 0xFFA0001C
+#define SAR2 0xFFA00020
+#define DAR2 0xFFA00024
+#define DMATCR2 0xFFA00028
+#define CHCR2 0xFFA0002C
+#define SAR3 0xFFA00030
+#define DAR3 0xFFA00034
+#define DMATCR3 0xFFA00038
+#define CHCR3 0xFFA0003C
+#define DMAOR 0xFFA00040
+#define SAR4 0xFFA00050
+#define DAR4 0xFFA00054
+#define DMATCR4 0xFFA00058
+
+#define FRQCR 0xFFC00000
+#define STBCR 0xFFC00004
+#define WTCNT 0xFFC00008
+#define WTCSR 0xFFC0000C
+#define STBCR2 0xFFC00010
+#define R64CNT 0xFFC80000
+#define RSECCNT 0xFFC80004
+#define RMINCNT 0xFFC80008
+#define RHRCNT 0xFFC8000C
+#define RWKCNT 0xFFC80010
+#define RDAYCNT 0xFFC80014
+#define RMONCNT 0xFFC80018
+#define RYRCNT 0xFFC8001C
+#define RSECAR 0xFFC80020
+#define RMINAR 0xFFC80024
+#define RHRAR 0xFFC80028
+#define RWKAR 0xFFC8002C
+#define RDAYAR 0xFFC80030
+#define RMONAR 0xFFC80034
+#define RCR1 0xFFC80038
+#define RCR2 0xFFC8003C
+#define RCR3 0xFFC80050
+#define RYRAR 0xFFC80054
+#define ICR 0xFFD00000
+#define IPRA 0xFFD00004
+#define IPRB 0xFFD00008
+#define IPRC 0xFFD0000C
+#define IPRD 0xFFD00010
+#define INTPRI 0xFE080000
+#define INTREQ 0xFE080020
+#define INTMSK 0xFE080040
+#define INTMSKCL 0xFE080060
+#define CLKSTP 0xFE0A0000
+#define CLKSTPCLR 0xFE0A0008
+#define TSTR2 0xFE100004
+#define TCOR3 0xFE100008
+#define TCNT3 0xFE10000C
+#define TCR3 0xFE100010
+#define TCOR4 0xFE100014
+#define TCNT4 0xFE100018
+#define TCR4 0xFE10001C
+#define TOCR 0xFFD80000
+#define TSTR0 0xFFD80004
+#define TCOR0 0xFFD80008
+#define TCNT0 0xFFD8000C
+#define TCR0 0xFFD80010
+#define TCOR1 0xFFD80014
+#define TCNT1 0xFFD80018
+#define TCR1 0xFFD8001C
+#define TCOR2 0xFFD80020
+#define TCNT2 0xFFD80024
+#define TCR2 0xFFD80028
+#define TCPR2 0xFFD8002C
+#define SCSMR1 0xFFE00000
+#define SCBRR1 0xFFE00004
+#define SCSCR1 0xFFE00008
+#define SCTDR1 0xFFE0000C
+#define SCSSR1 0xFFE00010
+#define SCRDR1 0xFFE00014
+#define SCSCMR1 0xFFE00018
+#define SCSPTR1 0xFFE0001C
+#define SCF0_BASE SCSMR1
+#define SCSMR2 0xFFE80000
+#define SCBRR2 0xFFE80004
+#define SCSCR2 0xFFE80008
+#define SCFTDR2 0xFFE8000C
+#define SCFSR2 0xFFE80010
+#define SCFRDR2 0xFFE80014
+#define SCFCR2 0xFFE80018
+#define SCFDR2 0xFFE8001C
+#define SCSPTR2 0xFFE80020
+#define SCLSR2 0xFFE80024
+#define SCIF1_BASE SCSMR2
+#define SDIR 0xFFF00000
+#define SDDR 0xFFF00008
+#define SDINT 0xFFF00014
+
+#endif /* _ASM_CPU_SH7750_H_ */
+
diff --git a/include/asm-sh/global_data.h b/include/asm-sh/global_data.h
new file mode 100644
index 0000000..0a44a34
--- /dev/null
+++ b/include/asm-sh/global_data.h
@@ -0,0 +1,50 @@
+/*
+ * (C) Copyright 2002
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2007
+ * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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
+ */
+
+#ifndef __ASM_SH_GLOBALDATA_H_
+#define __ASM_SH_GLOBALDATA_H_
+
+typedef struct global_data
+{
+ bd_t *bd;
+ unsigned long flags;
+ unsigned long baudrate;
+ unsigned long cpu_clk; /* CPU clock in Hz! */
+ unsigned long have_console; /* serial_init() was called */
+ unsigned long ram_size; /* RAM size */
+ unsigned long reloc_off; /* Relocation Offset */
+ unsigned long env_addr; /* Address of Environment struct */
+ unsigned long env_valid; /* Checksum of Environment valid */
+ void **jt; /* Standalone app jump table */
+}gd_t;
+
+#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
+#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
+#define GD_FLG_SILENT 0x00004 /* Silent mode */
+
+#define DECLARE_GLOBAL_DATA_PTR register gd_t *gd asm ("r13")
+
+#endif /* __ASM_SH_GLOBALDATA_H_ */
diff --git a/include/asm-sh/io.h b/include/asm-sh/io.h
new file mode 100644
index 0000000..70e60b1
--- /dev/null
+++ b/include/asm-sh/io.h
@@ -0,0 +1,292 @@
+/*
+ * linux/include/asm-sh/io.h
+ *
+ * Copyright (C) 1996-2000 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Modifications:
+ * 16-Sep-1996 RMK Inlined the inx/outx functions & optimised for both
+ * constant addresses and variable addresses.
+ * 04-Dec-1997 RMK Moved a lot of this stuff to the new architecture
+ * specific IO header files.
+ * 27-Mar-1999 PJB Second parameter of memcpy_toio is const..
+ * 04-Apr-1999 PJB Added check_signature.
+ * 12-Dec-1999 RMK More cleanups
+ * 18-Jun-2000 RMK Removed virt_to_* and friends definitions
+ */
+#ifndef __ASM_SH_IO_H
+#define __ASM_SH_IO_H
+
+#ifdef __KERNEL__
+
+#include <linux/types.h>
+#include <asm/byteorder.h>
+
+/*
+ * Generic virtual read/write. Note that we don't support half-word
+ * read/writes. We define __arch_*[bl] here, and leave __arch_*w
+ * to the architecture specific code.
+ */
+#define __arch_getb(a) (*(volatile unsigned char *)(a))
+#define __arch_getw(a) (*(volatile unsigned short *)(a))
+#define __arch_getl(a) (*(volatile unsigned int *)(a))
+
+#define __arch_putb(v,a) (*(volatile unsigned char *)(a) = (v))
+#define __arch_putw(v,a) (*(volatile unsigned short *)(a) = (v))
+#define __arch_putl(v,a) (*(volatile unsigned int *)(a) = (v))
+
+extern void __raw_writesb(unsigned int addr, const void *data, int bytelen);
+extern void __raw_writesw(unsigned int addr, const void *data, int wordlen);
+extern void __raw_writesl(unsigned int addr, const void *data, int longlen);
+
+extern void __raw_readsb(unsigned int addr, void *data, int bytelen);
+extern void __raw_readsw(unsigned int addr, void *data, int wordlen);
+extern void __raw_readsl(unsigned int addr, void *data, int longlen);
+
+#define __raw_writeb(v,a) __arch_putb(v,a)
+#define __raw_writew(v,a) __arch_putw(v,a)
+#define __raw_writel(v,a) __arch_putl(v,a)
+
+#define __raw_readb(a) __arch_getb(a)
+#define __raw_readw(a) __arch_getw(a)
+#define __raw_readl(a) __arch_getl(a)
+
+/*
+ * The compiler seems to be incapable of optimising constants
+ * properly. Spell it out to the compiler in some cases.
+ * These are only valid for small values of "off" (< 1<<12)
+ */
+#define __raw_base_writeb(val,base,off) __arch_base_putb(val,base,off)
+#define __raw_base_writew(val,base,off) __arch_base_putw(val,base,off)
+#define __raw_base_writel(val,base,off) __arch_base_putl(val,base,off)
+
+#define __raw_base_readb(base,off) __arch_base_getb(base,off)
+#define __raw_base_readw(base,off) __arch_base_getw(base,off)
+#define __raw_base_readl(base,off) __arch_base_getl(base,off)
+
+/*
+ * Now, pick up the machine-defined IO definitions
+ */
+#if 0 /* XXX###XXX */
+#include <asm/arch/io.h>
+#endif /* XXX###XXX */
+
+/*
+ * IO port access primitives
+ * -------------------------
+ *
+ * The SH doesn't have special IO access instructions; all IO is memory
+ * mapped. Note that these are defined to perform little endian accesses
+ * only. Their primary purpose is to access PCI and ISA peripherals.
+ *
+ * The machine specific io.h include defines __io to translate an "IO"
+ * address to a memory address.
+ *
+ * Note that we prevent GCC re-ordering or caching values in expressions
+ * by introducing sequence points into the in*() definitions. Note that
+ * __raw_* do not guarantee this behaviour.
+ *
+ * The {in,out}[bwl] macros are for emulating x86-style PCI/ISA IO space.
+ */
+#ifdef __io
+#define outb(v,p) __raw_writeb(v,__io(p))
+#define outw(v,p) __raw_writew(cpu_to_le16(v),__io(p))
+#define outl(v,p) __raw_writel(cpu_to_le32(v),__io(p))
+
+#define inb(p) ({ unsigned int __v = __raw_readb(__io(p)); __v; })
+#define inw(p) ({ unsigned int __v = le16_to_cpu(__raw_readw(__io(p))); __v; })
+#define inl(p) ({ unsigned int __v = le32_to_cpu(__raw_readl(__io(p))); __v; })
+
+#define outsb(p,d,l) __raw_writesb(__io(p),d,l)
+#define outsw(p,d,l) __raw_writesw(__io(p),d,l)
+#define outsl(p,d,l) __raw_writesl(__io(p),d,l)
+
+#define insb(p,d,l) __raw_readsb(__io(p),d,l)
+#define insw(p,d,l) __raw_readsw(__io(p),d,l)
+#define insl(p,d,l) __raw_readsl(__io(p),d,l)
+#endif
+
+#define outb_p(val,port) outb((val),(port))
+#define outw_p(val,port) outw((val),(port))
+#define outl_p(val,port) outl((val),(port))
+#define inb_p(port) inb((port))
+#define inw_p(port) inw((port))
+#define inl_p(port) inl((port))
+
+#define outsb_p(port,from,len) outsb(port,from,len)
+#define outsw_p(port,from,len) outsw(port,from,len)
+#define outsl_p(port,from,len) outsl(port,from,len)
+#define insb_p(port,to,len) insb(port,to,len)
+#define insw_p(port,to,len) insw(port,to,len)
+#define insl_p(port,to,len) insl(port,to,len)
+
+/*
+ * ioremap and friends.
+ *
+ * ioremap takes a PCI memory address, as specified in
+ * linux/Documentation/IO-mapping.txt. If you want a
+ * physical address, use __ioremap instead.
+ */
+extern void * __ioremap(unsigned long offset, size_t size, unsigned long flags);
+extern void __iounmap(void *addr);
+
+/*
+ * Generic ioremap support.
+ *
+ * Define:
+ * iomem_valid_addr(off,size)
+ * iomem_to_phys(off)
+ */
+#ifdef iomem_valid_addr
+#define __arch_ioremap(off,sz,nocache) \
+ ({ \
+ unsigned long _off = (off), _size = (sz); \
+ void *_ret = (void *)0; \
+ if (iomem_valid_addr(_off, _size)) \
+ _ret = __ioremap(iomem_to_phys(_off),_size,0); \
+ _ret; \
+ })
+
+#define __arch_iounmap __iounmap
+#endif
+
+#define ioremap(off,sz) __arch_ioremap((off),(sz),0)
+#define ioremap_nocache(off,sz) __arch_ioremap((off),(sz),1)
+#define iounmap(_addr) __arch_iounmap(_addr)
+
+/*
+ * DMA-consistent mapping functions. These allocate/free a region of
+ * uncached, unwrite-buffered mapped memory space for use with DMA
+ * devices. This is the "generic" version. The PCI specific version
+ * is in pci.h
+ */
+extern void *consistent_alloc(int gfp, size_t size, dma_addr_t *handle);
+extern void consistent_free(void *vaddr, size_t size, dma_addr_t handle);
+extern void consistent_sync(void *vaddr, size_t size, int rw);
+
+/*
+ * String version of IO memory access ops:
+ */
+extern void _memcpy_fromio(void *, unsigned long, size_t);
+extern void _memcpy_toio(unsigned long, const void *, size_t);
+extern void _memset_io(unsigned long, int, size_t);
+
+extern void __readwrite_bug(const char *fn);
+
+/*
+ * If this architecture has PCI memory IO, then define the read/write
+ * macros. These should only be used with the cookie passed from
+ * ioremap.
+ */
+#ifdef __mem_pci
+
+#define readb(c) ({ unsigned int __v = __raw_readb(__mem_pci(c)); __v; })
+#define readw(c) ({ unsigned int __v = le16_to_cpu(__raw_readw(__mem_pci(c))); __v; })
+#define readl(c) ({ unsigned int __v = le32_to_cpu(__raw_readl(__mem_pci(c))); __v; })
+
+#define writeb(v,c) __raw_writeb(v,__mem_pci(c))
+#define writew(v,c) __raw_writew(cpu_to_le16(v),__mem_pci(c))
+#define writel(v,c) __raw_writel(cpu_to_le32(v),__mem_pci(c))
+
+#define memset_io(c,v,l) _memset_io(__mem_pci(c),(v),(l))
+#define memcpy_fromio(a,c,l) _memcpy_fromio((a),__mem_pci(c),(l))
+#define memcpy_toio(c,a,l) _memcpy_toio(__mem_pci(c),(a),(l))
+
+#define eth_io_copy_and_sum(s,c,l,b) \
+ eth_copy_and_sum((s),__mem_pci(c),(l),(b))
+
+static inline int
+check_signature(unsigned long io_addr, const unsigned char *signature,
+ int length)
+{
+ int retval = 0;
+ do {
+ if (readb(io_addr) != *signature)
+ goto out;
+ io_addr++;
+ signature++;
+ length--;
+ } while (length);
+ retval = 1;
+out:
+ return retval;
+}
+
+#elif !defined(readb)
+
+#define readb(addr) (__readwrite_bug("readb"),0)
+#define readw(addr) (__readwrite_bug("readw"),0)
+#define readl(addr) (__readwrite_bug("readl"),0)
+#define writeb(v,addr) __readwrite_bug("writeb")
+#define writew(v,addr) __readwrite_bug("writew")
+#define writel(v,addr) __readwrite_bug("writel")
+
+#define eth_io_copy_and_sum(a,b,c,d) __readwrite_bug("eth_io_copy_and_sum")
+
+#define check_signature(io,sig,len) (0)
+
+#endif /* __mem_pci */
+
+/*
+ * If this architecture has ISA IO, then define the isa_read/isa_write
+ * macros.
+ */
+#ifdef __mem_isa
+
+#define isa_readb(addr) __raw_readb(__mem_isa(addr))
+#define isa_readw(addr) __raw_readw(__mem_isa(addr))
+#define isa_readl(addr) __raw_readl(__mem_isa(addr))
+#define isa_writeb(val,addr) __raw_writeb(val,__mem_isa(addr))
+#define isa_writew(val,addr) __raw_writew(val,__mem_isa(addr))
+#define isa_writel(val,addr) __raw_writel(val,__mem_isa(addr))
+#define isa_memset_io(a,b,c) _memset_io(__mem_isa(a),(b),(c))
+#define isa_memcpy_fromio(a,b,c) _memcpy_fromio((a),__mem_isa(b),(c))
+#define isa_memcpy_toio(a,b,c) _memcpy_toio(__mem_isa((a)),(b),(c))
+
+#define isa_eth_io_copy_and_sum(a,b,c,d) \
+ eth_copy_and_sum((a),__mem_isa(b),(c),(d))
+
+static inline int
+isa_check_signature(unsigned long io_addr, const unsigned char *signature,
+ int length)
+{
+ int retval = 0;
+ do {
+ if (isa_readb(io_addr) != *signature)
+ goto out;
+ io_addr++;
+ signature++;
+ length--;
+ } while (length);
+ retval = 1;
+out:
+ return retval;
+}
+
+#else /* __mem_isa */
+
+#define isa_readb(addr) (__readwrite_bug("isa_readb"),0)
+#define isa_readw(addr) (__readwrite_bug("isa_readw"),0)
+#define isa_readl(addr) (__readwrite_bug("isa_readl"),0)
+#define isa_writeb(val,addr) __readwrite_bug("isa_writeb")
+#define isa_writew(val,addr) __readwrite_bug("isa_writew")
+#define isa_writel(val,addr) __readwrite_bug("isa_writel")
+#define isa_memset_io(a,b,c) __readwrite_bug("isa_memset_io")
+#define isa_memcpy_fromio(a,b,c) __readwrite_bug("isa_memcpy_fromio")
+#define isa_memcpy_toio(a,b,c) __readwrite_bug("isa_memcpy_toio")
+
+#define isa_eth_io_copy_and_sum(a,b,c,d) \
+ __readwrite_bug("isa_eth_io_copy_and_sum")
+
+#define isa_check_signature(io,sig,len) (0)
+
+static inline void sync(void)
+{
+}
+
+#endif /* __mem_isa */
+#endif /* __KERNEL__ */
+#endif /* __ASM_SH_IO_H */
diff --git a/include/asm-sh/posix_types.h b/include/asm-sh/posix_types.h
new file mode 100644
index 0000000..4bb9f7e
--- /dev/null
+++ b/include/asm-sh/posix_types.h
@@ -0,0 +1,123 @@
+#ifndef __ASM_SH_POSIX_TYPES_H
+#define __ASM_SH_POSIX_TYPES_H
+
+/*
+ * This file is generally used by user-level software, so you need to
+ * be a little careful about namespace pollution etc. Also, we cannot
+ * assume GCC is being used.
+ */
+
+typedef unsigned short __kernel_dev_t;
+typedef unsigned long __kernel_ino_t;
+typedef unsigned short __kernel_mode_t;
+typedef unsigned short __kernel_nlink_t;
+typedef long __kernel_off_t;
+typedef int __kernel_pid_t;
+typedef unsigned short __kernel_ipc_pid_t;
+typedef unsigned short __kernel_uid_t;
+typedef unsigned short __kernel_gid_t;
+typedef unsigned int __kernel_size_t;
+typedef int __kernel_ssize_t;
+typedef int __kernel_ptrdiff_t;
+typedef long __kernel_time_t;
+typedef long __kernel_suseconds_t;
+typedef long __kernel_clock_t;
+typedef int __kernel_timer_t;
+typedef int __kernel_clockid_t;
+typedef int __kernel_daddr_t;
+typedef char * __kernel_caddr_t;
+typedef unsigned short __kernel_uid16_t;
+typedef unsigned short __kernel_gid16_t;
+typedef unsigned int __kernel_uid32_t;
+typedef unsigned int __kernel_gid32_t;
+
+typedef unsigned short __kernel_old_uid_t;
+typedef unsigned short __kernel_old_gid_t;
+typedef unsigned short __kernel_old_dev_t;
+
+#ifdef __GNUC__
+typedef long long __kernel_loff_t;
+#endif
+
+typedef struct {
+#if defined(__KERNEL__) || defined(__USE_ALL)
+ int val[2];
+#else /* !defined(__KERNEL__) && !defined(__USE_ALL) */
+ int __val[2];
+#endif /* !defined(__KERNEL__) && !defined(__USE_ALL) */
+} __kernel_fsid_t;
+
+#if defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2)
+
+#undef __FD_SET
+static __inline__ void __FD_SET(unsigned long __fd, __kernel_fd_set *__fdsetp)
+{
+ unsigned long __tmp = __fd / __NFDBITS;
+ unsigned long __rem = __fd % __NFDBITS;
+ __fdsetp->fds_bits[__tmp] |= (1UL<<__rem);
+}
+
+#undef __FD_CLR
+static __inline__ void __FD_CLR(unsigned long __fd, __kernel_fd_set *__fdsetp)
+{
+ unsigned long __tmp = __fd / __NFDBITS;
+ unsigned long __rem = __fd % __NFDBITS;
+ __fdsetp->fds_bits[__tmp] &= ~(1UL<<__rem);
+}
+
+
+#undef __FD_ISSET
+static __inline__ int __FD_ISSET(unsigned long __fd, const __kernel_fd_set *__p)
+{
+ unsigned long __tmp = __fd / __NFDBITS;
+ unsigned long __rem = __fd % __NFDBITS;
+ return (__p->fds_bits[__tmp] & (1UL<<__rem)) != 0;
+}
+
+/*
+ * This will unroll the loop for the normal constant case (8 ints,
+ * for a 256-bit fd_set)
+ */
+#undef __FD_ZERO
+static __inline__ void __FD_ZERO(__kernel_fd_set *__p)
+{
+ unsigned long *__tmp = __p->fds_bits;
+ int __i;
+
+ if (__builtin_constant_p(__FDSET_LONGS)) {
+ switch (__FDSET_LONGS) {
+ case 16:
+ __tmp[ 0] = 0; __tmp[ 1] = 0;
+ __tmp[ 2] = 0; __tmp[ 3] = 0;
+ __tmp[ 4] = 0; __tmp[ 5] = 0;
+ __tmp[ 6] = 0; __tmp[ 7] = 0;
+ __tmp[ 8] = 0; __tmp[ 9] = 0;
+ __tmp[10] = 0; __tmp[11] = 0;
+ __tmp[12] = 0; __tmp[13] = 0;
+ __tmp[14] = 0; __tmp[15] = 0;
+ return;
+
+ case 8:
+ __tmp[ 0] = 0; __tmp[ 1] = 0;
+ __tmp[ 2] = 0; __tmp[ 3] = 0;
+ __tmp[ 4] = 0; __tmp[ 5] = 0;
+ __tmp[ 6] = 0; __tmp[ 7] = 0;
+ return;
+
+ case 4:
+ __tmp[ 0] = 0; __tmp[ 1] = 0;
+ __tmp[ 2] = 0; __tmp[ 3] = 0;
+ return;
+ }
+ }
+ __i = __FDSET_LONGS;
+ while (__i) {
+ __i--;
+ *__tmp = 0;
+ __tmp++;
+ }
+}
+
+#endif /* defined(__KERNEL__) || !defined(__GLIBC__) || (__GLIBC__ < 2) */
+
+#endif /* __ASM_SH_POSIX_TYPES_H */
diff --git a/include/asm-sh/processor.h b/include/asm-sh/processor.h
new file mode 100644
index 0000000..bb9a35f
--- /dev/null
+++ b/include/asm-sh/processor.h
@@ -0,0 +1,8 @@
+#ifndef _ASM_SH_PROCESSOR_H_
+#define _ASM_SH_PROCESSOR_H_
+#if defined CONFIG_SH3
+# include <asm/cpu_sh3.h>
+#elif defined (CONFIG_SH4)
+# include <asm/cpu_sh4.h>
+#endif
+#endif
diff --git a/include/asm-sh/ptrace.h b/include/asm-sh/ptrace.h
new file mode 100644
index 0000000..14cc1ac
--- /dev/null
+++ b/include/asm-sh/ptrace.h
@@ -0,0 +1,112 @@
+#ifndef __ASM_SH_PTRACE_H
+#define __ASM_SH_PTRACE_H
+
+/*
+ * Copyright (C) 1999, 2000 Niibe Yutaka
+ * from linux kernel code.
+ */
+
+/*
+ * GCC defines register number like this:
+ * -----------------------------
+ * 0 - 15 are integer registers
+ * 17 - 22 are control/special registers
+ * 24 - 39 fp registers
+ * 40 - 47 xd registers
+ * 48 - fpscr register
+ * -----------------------------
+ *
+ * We follows above, except:
+ * 16 --- program counter (PC)
+ * 22 --- syscall #
+ * 23 --- floating point communication register
+ */
+#define REG_REG0 0
+#define REG_REG15 15
+
+#define REG_PC 16
+
+#define REG_PR 17
+#define REG_SR 18
+#define REG_GBR 19
+#define REG_MACH 20
+#define REG_MACL 21
+
+#define REG_SYSCALL 22
+
+#define REG_FPREG0 23
+#define REG_FPREG15 38
+#define REG_XFREG0 39
+#define REG_XFREG15 54
+
+#define REG_FPSCR 55
+#define REG_FPUL 56
+
+/* options set using PTRACE_SETOPTIONS */
+#define PTRACE_O_TRACESYSGOOD 0x00000001
+
+/*
+ * This struct defines the way the registers are stored on the
+ * kernel stack during a system call or other kernel entry.
+ */
+struct pt_regs {
+ unsigned long regs[16];
+ unsigned long pc;
+ unsigned long pr;
+ unsigned long sr;
+ unsigned long gbr;
+ unsigned long mach;
+ unsigned long macl;
+ long tra;
+};
+
+/*
+ * This struct defines the way the DSP registers are stored on the
+ * kernel stack during a system call or other kernel entry.
+ */
+struct pt_dspregs {
+ unsigned long a1;
+ unsigned long a0g;
+ unsigned long a1g;
+ unsigned long m0;
+ unsigned long m1;
+ unsigned long a0;
+ unsigned long x0;
+ unsigned long x1;
+ unsigned long y0;
+ unsigned long y1;
+ unsigned long dsr;
+ unsigned long rs;
+ unsigned long re;
+ unsigned long mod;
+};
+
+#define PTRACE_GETDSPREGS 55
+#define PTRACE_SETDSPREGS 56
+
+#ifdef __KERNEL__
+#define user_mode(regs) (((regs)->sr & 0x40000000)==0)
+#define instruction_pointer(regs) ((regs)->pc)
+extern void show_regs(struct pt_regs *);
+
+#ifdef CONFIG_SH_DSP
+#define task_pt_regs(task) \
+ ((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE \
+ - sizeof(struct pt_dspregs) - sizeof(unsigned long)) - 1)
+#else
+#define task_pt_regs(task) \
+ ((struct pt_regs *) (task_stack_page(task) + THREAD_SIZE \
+ - sizeof(unsigned long)) - 1)
+#endif
+
+static inline unsigned long profile_pc(struct pt_regs *regs)
+{
+ unsigned long pc = instruction_pointer(regs);
+
+ if (pc >= 0xa0000000UL && pc < 0xc0000000UL)
+ pc -= 0x20000000;
+ return pc;
+}
+#endif
+
+#endif /* __ASM_SH_PTRACE_H */
diff --git a/include/asm-sh/string.h b/include/asm-sh/string.h
new file mode 100644
index 0000000..a78ef81
--- /dev/null
+++ b/include/asm-sh/string.h
@@ -0,0 +1,132 @@
+#ifndef __ASM_SH_STRING_H
+#define __ASM_SH_STRING_H
+
+/*
+ * Copyright (C) 1999 Niibe Yutaka
+ * But consider these trivial functions to be public domain.
+ *
+ * from linux kernel code.
+ */
+
+#define __HAVE_ARCH_STRCPY
+static inline char *strcpy(char *__dest, const char *__src)
+{
+ register char *__xdest = __dest;
+ unsigned long __dummy;
+
+ __asm__ __volatile__("1:\n\t"
+ "mov.b @%1+, %2\n\t"
+ "mov.b %2, @%0\n\t"
+ "cmp/eq #0, %2\n\t"
+ "bf/s 1b\n\t"
+ " add #1, %0\n\t"
+ : "=r" (__dest), "=r" (__src), "=&z" (__dummy)
+ : "0" (__dest), "1" (__src)
+ : "memory", "t");
+
+ return __xdest;
+}
+
+#define __HAVE_ARCH_STRNCPY
+static inline char *strncpy(char *__dest, const char *__src, size_t __n)
+{
+ register char *__xdest = __dest;
+ unsigned long __dummy;
+
+ if (__n == 0)
+ return __xdest;
+
+ __asm__ __volatile__(
+ "1:\n"
+ "mov.b @%1+, %2\n\t"
+ "mov.b %2, @%0\n\t"
+ "cmp/eq #0, %2\n\t"
+ "bt/s 2f\n\t"
+ " cmp/eq %5,%1\n\t"
+ "bf/s 1b\n\t"
+ " add #1, %0\n"
+ "2:"
+ : "=r" (__dest), "=r" (__src), "=&z" (__dummy)
+ : "0" (__dest), "1" (__src), "r" (__src+__n)
+ : "memory", "t");
+
+ return __xdest;
+}
+
+#define __HAVE_ARCH_STRCMP
+static inline int strcmp(const char *__cs, const char *__ct)
+{
+ register int __res;
+ unsigned long __dummy;
+
+ __asm__ __volatile__(
+ "mov.b @%1+, %3\n"
+ "1:\n\t"
+ "mov.b @%0+, %2\n\t"
+ "cmp/eq #0, %3\n\t"
+ "bt 2f\n\t"
+ "cmp/eq %2, %3\n\t"
+ "bt/s 1b\n\t"
+ " mov.b @%1+, %3\n\t"
+ "add #-2, %1\n\t"
+ "mov.b @%1, %3\n\t"
+ "sub %3, %2\n"
+ "2:"
+ : "=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
+ : "0" (__cs), "1" (__ct)
+ : "t");
+
+ return __res;
+}
+
+#define __HAVE_ARCH_STRNCMP
+static inline int strncmp(const char *__cs, const char *__ct, size_t __n)
+{
+ register int __res;
+ unsigned long __dummy;
+
+ if (__n == 0)
+ return 0;
+
+ __asm__ __volatile__(
+ "mov.b @%1+, %3\n"
+ "1:\n\t"
+ "mov.b @%0+, %2\n\t"
+ "cmp/eq %6, %0\n\t"
+ "bt/s 2f\n\t"
+ " cmp/eq #0, %3\n\t"
+ "bt/s 3f\n\t"
+ " cmp/eq %3, %2\n\t"
+ "bt/s 1b\n\t"
+ " mov.b @%1+, %3\n\t"
+ "add #-2, %1\n\t"
+ "mov.b @%1, %3\n"
+ "2:\n\t"
+ "sub %3, %2\n"
+ "3:"
+ :"=r" (__cs), "=r" (__ct), "=&r" (__res), "=&z" (__dummy)
+ : "0" (__cs), "1" (__ct), "r" (__cs+__n)
+ : "t");
+
+ return __res;
+}
+
+#undef __HAVE_ARCH_MEMSET
+extern void *memset(void *__s, int __c, size_t __count);
+
+#undef __HAVE_ARCH_MEMCPY
+extern void *memcpy(void *__to, __const__ void *__from, size_t __n);
+
+#undef __HAVE_ARCH_MEMMOVE
+extern void *memmove(void *__dest, __const__ void *__src, size_t __n);
+
+#undef __HAVE_ARCH_MEMCHR
+extern void *memchr(const void *__s, int __c, size_t __n);
+
+#undef __HAVE_ARCH_STRLEN
+extern size_t strlen(const char *);
+
+/* arch/sh/lib/strcasecmp.c */
+extern int strcasecmp(const char *, const char *);
+
+#endif /* __ASM_SH_STRING_H */
diff --git a/include/asm-sh/system.h b/include/asm-sh/system.h
new file mode 100644
index 0000000..b353bc5
--- /dev/null
+++ b/include/asm-sh/system.h
@@ -0,0 +1,275 @@
+#ifndef __ASM_SH_SYSTEM_H
+#define __ASM_SH_SYSTEM_H
+
+/*
+ * Copyright (C) 1999, 2000 Niibe Yutaka & Kaz Kojima
+ * Copyright (C) 2002 Paul Mundt
+ *
+ * from linux kernel code.
+ */
+
+#include <linux/irqflags.h>
+#include <asm/types.h>
+
+/*
+ * switch_to() should switch tasks to task nr n, first
+ */
+
+#define switch_to(prev, next, last) do { \
+ struct task_struct *__last; \
+ register unsigned long *__ts1 __asm__ ("r1") = &prev->thread.sp; \
+ register unsigned long *__ts2 __asm__ ("r2") = &prev->thread.pc; \
+ register unsigned long *__ts4 __asm__ ("r4") = (unsigned long *)prev; \
+ register unsigned long *__ts5 __asm__ ("r5") = (unsigned long *)next; \
+ register unsigned long *__ts6 __asm__ ("r6") = &next->thread.sp; \
+ register unsigned long __ts7 __asm__ ("r7") = next->thread.pc; \
+ __asm__ __volatile__ (".balign 4\n\t" \
+ "stc.l gbr, @-r15\n\t" \
+ "sts.l pr, @-r15\n\t" \
+ "mov.l r8, @-r15\n\t" \
+ "mov.l r9, @-r15\n\t" \
+ "mov.l r10, @-r15\n\t" \
+ "mov.l r11, @-r15\n\t" \
+ "mov.l r12, @-r15\n\t" \
+ "mov.l r13, @-r15\n\t" \
+ "mov.l r14, @-r15\n\t" \
+ "mov.l r15, @r1 ! save SP\n\t" \
+ "mov.l @r6, r15 ! change to new stack\n\t" \
+ "mova 1f, %0\n\t" \
+ "mov.l %0, @r2 ! save PC\n\t" \
+ "mov.l 2f, %0\n\t" \
+ "jmp @%0 ! call __switch_to\n\t" \
+ " lds r7, pr ! with return to new PC\n\t" \
+ ".balign 4\n" \
+ "2:\n\t" \
+ ".long __switch_to\n" \
+ "1:\n\t" \
+ "mov.l @r15+, r14\n\t" \
+ "mov.l @r15+, r13\n\t" \
+ "mov.l @r15+, r12\n\t" \
+ "mov.l @r15+, r11\n\t" \
+ "mov.l @r15+, r10\n\t" \
+ "mov.l @r15+, r9\n\t" \
+ "mov.l @r15+, r8\n\t" \
+ "lds.l @r15+, pr\n\t" \
+ "ldc.l @r15+, gbr\n\t" \
+ : "=z" (__last) \
+ : "r" (__ts1), "r" (__ts2), "r" (__ts4), \
+ "r" (__ts5), "r" (__ts6), "r" (__ts7) \
+ : "r3", "t"); \
+ last = __last; \
+} while (0)
+
+/*
+ * On SMP systems, when the scheduler does migration-cost autodetection,
+ * it needs a way to flush as much of the CPU's caches as possible.
+ *
+ * TODO: fill this in!
+ */
+static inline void sched_cacheflush(void)
+{
+}
+
+#ifdef CONFIG_CPU_SH4A
+#define __icbi() \
+{ \
+ unsigned long __addr; \
+ __addr = 0xa8000000; \
+ __asm__ __volatile__( \
+ "icbi %0\n\t" \
+ : /* no output */ \
+ : "m" (__m(__addr))); \
+}
+#endif
+
+static inline unsigned long tas(volatile int *m)
+{
+ unsigned long retval;
+
+ __asm__ __volatile__ ("tas.b @%1\n\t"
+ "movt %0"
+ : "=r" (retval): "r" (m): "t", "memory");
+ return retval;
+}
+
+/*
+ * A brief note on ctrl_barrier(), the control register write barrier.
+ *
+ * Legacy SH cores typically require a sequence of 8 nops after
+ * modification of a control register in order for the changes to take
+ * effect. On newer cores (like the sh4a and sh5) this is accomplished
+ * with icbi.
+ *
+ * Also note that on sh4a in the icbi case we can forego a synco for the
+ * write barrier, as it's not necessary for control registers.
+ *
+ * Historically we have only done this type of barrier for the MMUCR, but
+ * it's also necessary for the CCR, so we make it generic here instead.
+ */
+#ifdef CONFIG_CPU_SH4A
+#define mb() __asm__ __volatile__ ("synco": : :"memory")
+#define rmb() mb()
+#define wmb() __asm__ __volatile__ ("synco": : :"memory")
+#define ctrl_barrier() __icbi()
+#define read_barrier_depends() do { } while(0)
+#else
+#define mb() __asm__ __volatile__ ("": : :"memory")
+#define rmb() mb()
+#define wmb() __asm__ __volatile__ ("": : :"memory")
+#define ctrl_barrier() __asm__ __volatile__ ("nop;nop;nop;nop;nop;nop;nop;nop")
+#define read_barrier_depends() do { } while(0)
+#endif
+
+#ifdef CONFIG_SMP
+#define smp_mb() mb()
+#define smp_rmb() rmb()
+#define smp_wmb() wmb()
+#define smp_read_barrier_depends() read_barrier_depends()
+#else
+#define smp_mb() barrier()
+#define smp_rmb() barrier()
+#define smp_wmb() barrier()
+#define smp_read_barrier_depends() do { } while(0)
+#endif
+
+#define set_mb(var, value) do { xchg(&var, value); } while (0)
+
+/*
+ * Jump to P2 area.
+ * When handling TLB or caches, we need to do it from P2 area.
+ */
+#define jump_to_P2() \
+do { \
+ unsigned long __dummy; \
+ __asm__ __volatile__( \
+ "mov.l 1f, %0\n\t" \
+ "or %1, %0\n\t" \
+ "jmp @%0\n\t" \
+ " nop\n\t" \
+ ".balign 4\n" \
+ "1: .long 2f\n" \
+ "2:" \
+ : "=&r" (__dummy) \
+ : "r" (0x20000000)); \
+} while (0)
+
+/*
+ * Back to P1 area.
+ */
+#define back_to_P1() \
+do { \
+ unsigned long __dummy; \
+ ctrl_barrier(); \
+ __asm__ __volatile__( \
+ "mov.l 1f, %0\n\t" \
+ "jmp @%0\n\t" \
+ " nop\n\t" \
+ ".balign 4\n" \
+ "1: .long 2f\n" \
+ "2:" \
+ : "=&r" (__dummy)); \
+} while (0)
+
+static inline unsigned long xchg_u32(volatile u32 *m, unsigned long val)
+{
+ unsigned long flags, retval;
+
+ local_irq_save(flags);
+ retval = *m;
+ *m = val;
+ local_irq_restore(flags);
+ return retval;
+}
+
+static inline unsigned long xchg_u8(volatile u8 *m, unsigned long val)
+{
+ unsigned long flags, retval;
+
+ local_irq_save(flags);
+ retval = *m;
+ *m = val & 0xff;
+ local_irq_restore(flags);
+ return retval;
+}
+
+extern void __xchg_called_with_bad_pointer(void);
+
+#define __xchg(ptr, x, size) \
+({ \
+ unsigned long __xchg__res; \
+ volatile void *__xchg_ptr = (ptr); \
+ switch (size) { \
+ case 4: \
+ __xchg__res = xchg_u32(__xchg_ptr, x); \
+ break; \
+ case 1: \
+ __xchg__res = xchg_u8(__xchg_ptr, x); \
+ break; \
+ default: \
+ __xchg_called_with_bad_pointer(); \
+ __xchg__res = x; \
+ break; \
+ } \
+ \
+ __xchg__res; \
+})
+
+#define xchg(ptr,x) \
+ ((__typeof__(*(ptr)))__xchg((ptr),(unsigned long)(x), sizeof(*(ptr))))
+
+static inline unsigned long __cmpxchg_u32(volatile int * m, unsigned long old,
+ unsigned long new)
+{
+ __u32 retval;
+ unsigned long flags;
+
+ local_irq_save(flags);
+ retval = *m;
+ if (retval == old)
+ *m = new;
+ local_irq_restore(flags); /* implies memory barrier */
+ return retval;
+}
+
+/* This function doesn't exist, so you'll get a linker error
+ * if something tries to do an invalid cmpxchg(). */
+extern void __cmpxchg_called_with_bad_pointer(void);
+
+#define __HAVE_ARCH_CMPXCHG 1
+
+static inline unsigned long __cmpxchg(volatile void * ptr, unsigned long old,
+ unsigned long new, int size)
+{
+ switch (size) {
+ case 4:
+ return __cmpxchg_u32(ptr, old, new);
+ }
+ __cmpxchg_called_with_bad_pointer();
+ return old;
+}
+
+#define cmpxchg(ptr,o,n) \
+ ({ \
+ __typeof__(*(ptr)) _o_ = (o); \
+ __typeof__(*(ptr)) _n_ = (n); \
+ (__typeof__(*(ptr))) __cmpxchg((ptr), (unsigned long)_o_, \
+ (unsigned long)_n_, sizeof(*(ptr))); \
+ })
+
+extern void *set_exception_table_vec(unsigned int vec, void *handler);
+
+static inline void *set_exception_table_evt(unsigned int evt, void *handler)
+{
+ return set_exception_table_vec(evt >> 5, handler);
+}
+
+/* XXX
+ * disable hlt during certain critical i/o operations
+ */
+#define HAVE_DISABLE_HLT
+void disable_hlt(void);
+void enable_hlt(void);
+
+#define arch_align_stack(x) (x)
+
+#endif
diff --git a/include/asm-sh/types.h b/include/asm-sh/types.h
new file mode 100644
index 0000000..fd00dbb
--- /dev/null
+++ b/include/asm-sh/types.h
@@ -0,0 +1,59 @@
+#ifndef __ASM_SH_TYPES_H
+#define __ASM_SH_TYPES_H
+
+#ifndef __ASSEMBLY__
+
+typedef unsigned short umode_t;
+
+/*
+ * __xx is ok: it doesn't pollute the POSIX namespace. Use these in the
+ * header files exported to user space
+ */
+
+typedef __signed__ char __s8;
+typedef unsigned char __u8;
+
+typedef __signed__ short __s16;
+typedef unsigned short __u16;
+
+typedef __signed__ int __s32;
+typedef unsigned int __u32;
+
+#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
+typedef __signed__ long long __s64;
+typedef unsigned long long __u64;
+#endif
+
+#endif /* __ASSEMBLY__ */
+
+/*
+ * These aren't exported outside the kernel to avoid name space clashes
+ */
+#ifdef __KERNEL__
+
+#define BITS_PER_LONG 32
+
+#ifndef __ASSEMBLY__
+
+
+typedef __signed__ char s8;
+typedef unsigned char u8;
+
+typedef __signed__ short s16;
+typedef unsigned short u16;
+
+typedef __signed__ int s32;
+typedef unsigned int u32;
+
+typedef __signed__ long long s64;
+typedef unsigned long long u64;
+
+/* Dma addresses are 32-bits wide. */
+
+typedef u32 dma_addr_t;
+
+#endif /* __ASSEMBLY__ */
+
+#endif /* __KERNEL__ */
+
+#endif /* __ASM_SH_TYPES_H */
diff --git a/include/asm-sh/u-boot.h b/include/asm-sh/u-boot.h
new file mode 100644
index 0000000..c74e97c
--- /dev/null
+++ b/include/asm-sh/u-boot.h
@@ -0,0 +1,44 @@
+/*
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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
+ *
+ ********************************************************************
+ * NOTE: This header file defines an interface to U-Boot. Including
+ * this (unmodified) header file in another file is considered normal
+ * use of U-Boot, and does *not* fall under the heading of "derived
+ * work".
+ ********************************************************************
+ */
+
+#ifndef __ASM_SH_U_BOOT_H_
+#define __ASM_SH_U_BOOT_H_
+
+
+typedef struct bd_info {
+ unsigned long bi_memstart; /* start of DRAM memory */
+ unsigned long bi_memsize; /* size of DRAM memory in bytes */
+ unsigned long bi_flashstart; /* start of FLASH memory */
+ unsigned long bi_flashsize; /* size of FLASH memory */
+ unsigned long bi_flashoffset; /* reserved area for startup monitor */
+ unsigned long bi_sramstart; /* start of SRAM memory */
+ unsigned long bi_sramsize; /* size of SRAM memory */
+ unsigned long bi_ip_addr; /* IP Address */
+ unsigned char bi_enetaddr[6]; /* Ethernet adress */
+ unsigned long bi_baudrate; /* Console Baudrate */
+ unsigned long bi_boot_params; /* where this board expects params */
+} bd_t;
+
+#endif
+
diff --git a/lib_sh/Makefile b/lib_sh/Makefile
new file mode 100644
index 0000000..c84276a
--- /dev/null
+++ b/lib_sh/Makefile
@@ -0,0 +1,42 @@
+#
+# Copyright (c) 2007
+# Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation; either version 2 of
+# the License, or (at your option) any later version.
+#
+# 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 $(TOPDIR)/config.mk
+
+LIB = $(obj)lib$(ARCH).a
+
+SOBJS =
+
+COBJS = board.o sh_linux.o # time.o
+
+SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c)
+OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS))
+
+$(LIB): $(obj).depend $(OBJS)
+ $(AR) $(ARFLAGS) $@ $(OBJS)
+
+#########################################################################
+
+# defines $(obj).depend target
+include $(SRCTREE)/rules.mk
+
+sinclude $(obj).depend
+
+#########################################################################
diff --git a/lib_sh/board.c b/lib_sh/board.c
new file mode 100644
index 0000000..c3f8462
--- /dev/null
+++ b/lib_sh/board.c
@@ -0,0 +1,163 @@
+/*
+ * Copyright (C) 2007
+ * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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 <common.h>
+#include <command.h>
+#include <malloc.h>
+#include <devices.h>
+#include <version.h>
+#include <net.h>
+#include <environment.h>
+
+extern void malloc_bin_reloc (void);
+extern int cpu_init(void);
+extern int board_init(void);
+extern int dram_init(void);
+extern int watchdog_init(void);
+extern int timer_init(void);
+
+const char version_string[] = U_BOOT_VERSION" (" __DATE__ " - " __TIME__ ")";
+
+unsigned long monitor_flash_len = CFG_MONITOR_LEN;
+
+static unsigned long mem_malloc_start;
+static unsigned long mem_malloc_end;
+static unsigned long mem_malloc_brk;
+
+static void mem_malloc_init (void)
+{
+
+ mem_malloc_start = (TEXT_BASE - CFG_GBL_DATA_SIZE - CFG_MALLOC_LEN);
+ mem_malloc_end = (mem_malloc_start + CFG_MALLOC_LEN - 16);
+ mem_malloc_brk = mem_malloc_start;
+ memset ((void *) mem_malloc_start, 0,
+ (mem_malloc_end - mem_malloc_start));
+}
+
+void *sbrk (ptrdiff_t increment)
+{
+ unsigned long old = mem_malloc_brk;
+ unsigned long new = old + increment;
+
+ if ((new < mem_malloc_start) ||
+ (new > mem_malloc_end)) {
+ return NULL;
+ }
+
+ mem_malloc_brk = new;
+ return (void *) old;
+}
+
+typedef int (init_fnc_t) (void);
+
+init_fnc_t *init_sequence[] =
+{
+ cpu_init, /* basic cpu dependent setup */
+ board_init, /* basic board dependent setup */
+ interrupt_init, /* set up exceptions */
+ env_init, /* event init */
+ serial_init, /* SCIF init */
+ watchdog_init,
+ console_init_f,
+ display_options,
+ checkcpu,
+ checkboard,
+ dram_init, /* SDRAM init */
+ NULL /* Terminate this list */
+};
+
+void sh_generic_init (void)
+{
+ DECLARE_GLOBAL_DATA_PTR;
+
+ bd_t *bd;
+ init_fnc_t **init_fnc_ptr;
+ char *s, *e;
+ int i;
+
+ memset (gd, 0, CFG_GBL_DATA_SIZE);
+
+ gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */
+
+ gd->bd = (bd_t *) (gd + 1); /* At end of global data */
+ gd->baudrate = CONFIG_BAUDRATE;
+
+ gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
+
+ bd = gd->bd;
+ bd->bi_memstart = CFG_SDRAM_BASE;
+ bd->bi_memsize = CFG_SDRAM_SIZE;
+ bd->bi_flashstart = CFG_FLASH_BASE;
+#if defined(CFG_SRAM_BASE) && defined(CFG_SRAM_SIZE)
+ bd->bi_sramstart= CFG_SRAM_BASE;
+ bd->bi_sramsize = CFG_SRAM_SIZE;
+#endif
+ bd->bi_baudrate = CONFIG_BAUDRATE;
+
+ for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) {
+ if ((*init_fnc_ptr) () != 0) {
+ hang();
+ }
+ }
+
+ timer_init();
+
+ /* flash_init need timer_init().(TMU) */
+ bd->bi_flashsize = flash_init();
+ printf("FLASH: %dMB\n", bd->bi_flashsize / (1024*1024));
+
+ mem_malloc_init();
+ malloc_bin_reloc();
+ env_relocate();
+
+#if (CONFIG_COMMANDS & CFG_CMD_NET)
+ bd->bi_ip_addr = getenv_IPaddr ("ipaddr");
+ s = getenv ("ethaddr");
+ for (i = 0; i < 6; ++i) {
+ bd->bi_enetaddr[i] = s ? simple_strtoul (s, &e, 16) : 0;
+ if (s) s = (*e) ? e + 1 : e;
+ }
+#endif
+ devices_init();
+ jumptable_init();
+ console_init_r();
+ interrupt_init();
+#ifdef BOARD_LATE_INIT
+ board_late_init ();
+#endif
+#if (CONFIG_COMMANDS & CFG_CMD_NET)
+#if defined(CONFIG_NET_MULTI)
+ puts ("Net: ");
+#endif
+ eth_initialize(gd->bd);
+#endif
+ while (1) {
+ main_loop();
+ }
+}
+
+
+/***********************************************************************/
+
+void hang (void)
+{
+ puts ("Board ERROR \n");
+ for (;;);
+}
diff --git a/lib_sh/sh_linux.c b/lib_sh/sh_linux.c
new file mode 100644
index 0000000..7237ab3
--- /dev/null
+++ b/lib_sh/sh_linux.c
@@ -0,0 +1,74 @@
+/*
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * 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 <common.h>
+#include <command.h>
+#include <asm/byteorder.h>
+
+extern image_header_t header; /* common/cmd_bootm.c */
+
+/* The SH kernel reads arguments from the empty zero page at location
+ * 0 at the start of SDRAM. The following are copied from
+ * arch/sh/kernel/setup.c and may require tweaking if the kernel sources
+ * change.
+ */
+#define PARAM ((unsigned char *)CFG_SDRAM_BASE + 0x1000)
+
+#define MOUNT_ROOT_RDONLY (*(unsigned long *) (PARAM+0x000))
+#define RAMDISK_FLAGS (*(unsigned long *) (PARAM+0x004))
+#define ORIG_ROOT_DEV (*(unsigned long *) (PARAM+0x008))
+#define LOADER_TYPE (*(unsigned long *) (PARAM+0x00c))
+#define INITRD_START (*(unsigned long *) (PARAM+0x010))
+#define INITRD_SIZE (*(unsigned long *) (PARAM+0x014))
+/* ... */
+#define COMMAND_LINE ((char *) (PARAM+0x100))
+
+#define RAMDISK_IMAGE_START_MASK 0x07FF
+
+#ifdef CFG_DEBUG
+static void hexdump (unsigned char *buf, int len)
+{
+ int i;
+
+ for (i = 0; i < len; i++) {
+ if ((i % 16) == 0)
+ printf ("%s%08x: ", i ? "\n" : "", (unsigned int) &buf[i]);
+ printf ("%02x ", buf[i]);
+ }
+ printf ("\n");
+}
+#endif
+
+void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
+ ulong addr, ulong *len_ptr, int verify)
+{
+ image_header_t *hdr = &header;
+ char *bootargs = getenv("bootargs");
+ void (*kernel) (void) = (void (*)(void)) ntohl (hdr->ih_ep);
+
+ /* Setup parameters */
+ memset(PARAM, 0, 0x1000); /* Clear zero page */
+ strcpy(COMMAND_LINE, bootargs);
+ kernel();
+}
+
diff --git a/lib_sh/time.c b/lib_sh/time.c
new file mode 100644
index 0000000..3620136
--- /dev/null
+++ b/lib_sh/time.c
@@ -0,0 +1,76 @@
+/*
+ * Copyright (c) 2007
+ * Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * 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 <common.h>
+#include <asm/processer.h>
+
+static void tmu_timer_start (unsigned int timer)
+{
+ if (timer > 2)
+ return;
+
+ *((volatile unsigned char *) TSTR0) |= (1 << timer);
+}
+
+int timer_init (void)
+{
+ *(volatile u16 *)TCR0 = 0;
+
+ tmu_timer_start (0);
+ return 0;
+}
+
+unsigned long long get_ticks (void)
+{
+ return (0 - *((volatile unsigned int *) TCNT0));
+}
+
+unsigned long get_timer (unsigned long base)
+{
+ return ((0 - *((volatile unsigned int *) TCNT0)) - base);
+}
+
+void set_timer (unsigned long t)
+{
+ *((volatile unsigned int *) TCNT0) = (0 - t);
+}
+
+void reset_timer (void)
+{
+ set_timer (0);
+}
+
+void udelay (unsigned long usec)
+{
+ unsigned int start = get_timer (0);
+ unsigned int end = start + (usec * ((CFG_HZ + 500000) / 1000000));
+
+ while (get_timer (0) < end)
+ continue;
+}
+
+unsigned long get_tbclk (void)
+{
+ return CFG_HZ;
+}
+
generated by cgit v1.1 at 2024-11-07 05:22:59 +0000