From 0b135cfc2e524dc249b75057b55dd4cc09842e27 Mon Sep 17 00:00:00 2001 From: Nobuhiro Iwamatsu Date: Sun, 13 May 2007 20:58:00 +0900 Subject: sh: First support code of SuperH. Signed-off-by: Nobuhiro Iwamatsu --- lib_sh/Makefile | 42 ++++++++++++++ lib_sh/board.c | 163 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ lib_sh/sh_linux.c | 74 +++++++++++++++++++++++++ lib_sh/time.c | 76 +++++++++++++++++++++++++ 4 files changed, 355 insertions(+) create mode 100644 lib_sh/Makefile create mode 100644 lib_sh/board.c create mode 100644 lib_sh/sh_linux.c create mode 100644 lib_sh/time.c (limited to 'lib_sh') diff --git a/lib_sh/Makefile b/lib_sh/Makefile new file mode 100644 index 000000000..c84276af8 --- /dev/null +++ b/lib_sh/Makefile @@ -0,0 +1,42 @@ +# +# 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 $(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 000000000..c3f846257 --- /dev/null +++ b/lib_sh/board.c @@ -0,0 +1,163 @@ +/* + * 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 +#include +#include +#include +#include +#include +#include + +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 000000000..7237ab338 --- /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 +#include +#include + +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 000000000..362013682 --- /dev/null +++ b/lib_sh/time.c @@ -0,0 +1,76 @@ +/* + * Copyright (c) 2007 + * Nobuhiro Iwamatsu + * + * 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 +#include + +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; +} + -- cgit v1.2.3 From b02bad128669e567fce87d8df823b06a0144b8db Mon Sep 17 00:00:00 2001 From: Nobuhiro Iwamatsu Date: Sun, 23 Sep 2007 02:12:30 +0900 Subject: sh: Update core code of SuperH. Signed-off-by: Nobuhiro Iwamatsu --- cpu/sh4/Makefile | 2 +- cpu/sh4/cache.c | 108 +++++++++++++++++ cpu/sh4/cpu.c | 24 +++- cpu/sh4/time.c | 34 +++--- cpu/sh4/watchdog.c | 6 +- include/asm-sh/bitops.h | 175 +++++++++++++++++++++++++-- include/asm-sh/cpu_sh4.h | 44 ++++++- include/asm-sh/cpu_sh7750.h | 281 ++++++++++++++++++++++++++------------------ include/asm-sh/errno.h | 156 ++++++++++++++++++++++++ include/asm-sh/io.h | 103 ++++------------ include/asm-sh/irqflags.h | 126 ++++++++++++++++++++ include/asm-sh/string.h | 30 +++++ lib_sh/board.c | 119 +++++++++++++------ lib_sh/sh_linux.c | 1 + lib_sh/time.c | 1 - sh_config.mk | 24 ++++ 16 files changed, 964 insertions(+), 270 deletions(-) create mode 100644 cpu/sh4/cache.c create mode 100644 include/asm-sh/errno.h create mode 100644 include/asm-sh/irqflags.h create mode 100644 sh_config.mk (limited to 'lib_sh') diff --git a/cpu/sh4/Makefile b/cpu/sh4/Makefile index b24a280db..1bb8bd772 100644 --- a/cpu/sh4/Makefile +++ b/cpu/sh4/Makefile @@ -29,7 +29,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(CPU).a START = start.o -OBJS = cpu.o interrupts.o watchdog.o time.o +OBJS = cpu.o interrupts.o watchdog.o time.o cache.o all: .depend $(START) $(LIB) diff --git a/cpu/sh4/cache.c b/cpu/sh4/cache.c new file mode 100644 index 000000000..55acb31bc --- /dev/null +++ b/cpu/sh4/cache.c @@ -0,0 +1,108 @@ +/* + * (C) Copyright 2007 + * Nobuhiro Iwamatsu + * + * 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 +#include +#include +#include + +/* + * 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; \ + __asm__ __volatile__( \ + "nop;nop;nop;nop;nop;nop;nop\n\t" \ + "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) + +#define CACHE_VALID 1 +#define CACHE_UPDATED 2 + +static inline void cache_wback_all(void) +{ + unsigned long addr, data, i, j; + + jump_to_P2(); + for (i = 0; i < CACHE_OC_NUM_ENTRIES; i++){ + for (j = 0; j < CACHE_OC_NUM_WAYS; j++) { + addr = CACHE_OC_ADDRESS_ARRAY | (j << CACHE_OC_WAY_SHIFT) + | (i << CACHE_OC_ENTRY_SHIFT); + data = inl(addr); + if (data & CACHE_UPDATED) { + data &= ~CACHE_UPDATED; + outl(data, addr); + } + } + } + back_to_P1(); +} + + +#define CACHE_ENABLE 0 +#define CACHE_DISABLE 1 + +int cache_control(unsigned int cmd) +{ + unsigned long ccr; + + jump_to_P2(); + ccr = inl(CCR); + + if (ccr & CCR_CACHE_ENABLE) + cache_wback_all(); + + if (cmd == CACHE_DISABLE) + outl(CCR_CACHE_STOP, CCR); + else + outl(CCR_CACHE_INIT, CCR); + back_to_P1(); + + return 0; +} diff --git a/cpu/sh4/cpu.c b/cpu/sh4/cpu.c index 70df45ef9..d76d5180e 100644 --- a/cpu/sh4/cpu.c +++ b/cpu/sh4/cpu.c @@ -23,6 +23,7 @@ #include #include +#include int checkcpu(void) { @@ -48,20 +49,35 @@ int do_reset (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) return 0; } -void flush_cache (unsigned long addr, unsigned long size){} +void flush_cache (unsigned long addr, unsigned long size) +{ + +} void icache_enable (void) { - + cache_control(0); } void icache_disable (void) { - + cache_control(1); } - int icache_status (void) { return 0; } + +void dcache_enable (void) +{ +} + +void dcache_disable (void) +{ +} + +int dcache_status (void) +{ + return 0; +} diff --git a/cpu/sh4/time.c b/cpu/sh4/time.c index b6e4d0246..5f8a3a080 100644 --- a/cpu/sh4/time.c +++ b/cpu/sh4/time.c @@ -1,4 +1,7 @@ /* + * (C) Copyright 2007 + * Nobobuhiro Iwamatsu + * * (C) Copyright 2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * @@ -31,7 +34,15 @@ static void tmu_timer_start (unsigned int timer) if (timer > 2) return; - *((volatile unsigned char *) TSTR0) |= (1 << timer); + *((volatile unsigned char *) TSTR) |= (1 << timer); +} + +static void tmu_timer_stop (unsigned int timer) +{ + u8 val = *((volatile u8 *)TSTR); + if (timer > 2) + return; + *((volatile unsigned char *)TSTR) = val &~(1 << timer); } int timer_init (void) @@ -39,7 +50,8 @@ int timer_init (void) /* Divide clock by 4 */ *(volatile u16 *)TCR0 = 0; - tmu_timer_start (0); + tmu_timer_stop(0); + tmu_timer_start(0); return 0; } @@ -51,15 +63,12 @@ int timer_init (void) */ unsigned long long get_ticks (void) { - return (0 - *((volatile unsigned int *) TCNT0)); + return (0 - *((volatile u32 *) 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 ); + return ((0 - *((volatile u32 *) TCNT0)) - base); } void set_timer (unsigned long t) @@ -69,19 +78,15 @@ void set_timer (unsigned long t) void reset_timer (void) { + tmu_timer_stop(0); set_timer (0); + tmu_timer_start(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; + unsigned int end = start + (usec * ((CFG_HZ + 500000) / 1000000)); while (get_timer (0) < end) continue; @@ -91,4 +96,3 @@ unsigned long get_tbclk (void) { return CFG_HZ; } - diff --git a/cpu/sh4/watchdog.c b/cpu/sh4/watchdog.c index e2bc82031..04723a746 100644 --- a/cpu/sh4/watchdog.c +++ b/cpu/sh4/watchdog.c @@ -32,11 +32,13 @@ static void cnt_write (unsigned char value){ while (csr_read() & (1 << 5)) { /* delay */ } - *((volatile unsigned short *)(WDT_BASE + 0x00)) = ((unsigned short) value) | 0x5A00; + *((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; + *((volatile unsigned short *)(WDT_BASE + 0x04)) + = ((unsigned short) value) | 0xA500; } diff --git a/include/asm-sh/bitops.h b/include/asm-sh/bitops.h index 44dca9ff6..529d0f2db 100644 --- a/include/asm-sh/bitops.h +++ b/include/asm-sh/bitops.h @@ -1,13 +1,166 @@ -#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); +#ifndef __ASM_SH_BITOPS_H +#define __ASM_SH_BITOPS_H +#ifdef __KERNEL__ +//#include +#include +/* For __swab32 */ +#include + +static inline void set_bit(int nr, volatile void * addr) +{ + int mask; + volatile unsigned int *a = addr; + unsigned long flags; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + local_irq_save(flags); + *a |= mask; + local_irq_restore(flags); +} + +/* + * clear_bit() doesn't provide any barrier for the compiler. + */ +#define smp_mb__before_clear_bit() barrier() +#define smp_mb__after_clear_bit() barrier() +static inline void clear_bit(int nr, volatile void * addr) +{ + int mask; + volatile unsigned int *a = addr; + unsigned long flags; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + local_irq_save(flags); + *a &= ~mask; + local_irq_restore(flags); +} + +static inline void change_bit(int nr, volatile void * addr) +{ + int mask; + volatile unsigned int *a = addr; + unsigned long flags; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + local_irq_save(flags); + *a ^= mask; + local_irq_restore(flags); +} + +static inline int test_and_set_bit(int nr, volatile void * addr) +{ + int mask, retval; + volatile unsigned int *a = addr; + unsigned long flags; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + local_irq_save(flags); + retval = (mask & *a) != 0; + *a |= mask; + local_irq_restore(flags); + + return retval; +} + +static inline int test_and_clear_bit(int nr, volatile void * addr) +{ + int mask, retval; + volatile unsigned int *a = addr; + unsigned long flags; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + local_irq_save(flags); + retval = (mask & *a) != 0; + *a &= ~mask; + local_irq_restore(flags); + + return retval; +} + +static inline int test_and_change_bit(int nr, volatile void * addr) +{ + int mask, retval; + volatile unsigned int *a = addr; + unsigned long flags; + + a += nr >> 5; + mask = 1 << (nr & 0x1f); + local_irq_save(flags); + retval = (mask & *a) != 0; + *a ^= mask; + local_irq_restore(flags); + + return retval; +} + +//#include + +static inline unsigned long ffz(unsigned long word) +{ + unsigned long result; + + __asm__("1:\n\t" + "shlr %1\n\t" + "bt/s 1b\n\t" + " add #1, %0" + : "=r" (result), "=r" (word) + : "0" (~0L), "1" (word) + : "t"); + return result; +} + +/** + * ffs - find first bit in word. + * @word: The word to search + * + * Undefined if no bit exists, so code should check against 0 first. + */ +static inline int ffs(int x) +{ + int r = 1; + + if (!x) + return 0; + if (!(x & 0xffff)) { + x >>= 16; + r += 16; + } + if (!(x & 0xff)) { + x >>= 8; + r += 8; + } + if (!(x & 0xf)) { + x >>= 4; + r += 4; + } + if (!(x & 3)) { + x >>= 2; + r += 2; + } + if (!(x & 1)) { + x >>= 1; + r += 1; + } + return r; +} + +#if 0 +#include +#include +#include +#include +#include +#include +#include +#include +#include #endif +#endif /* __KERNEL__ */ + +#endif /* __ASM_SH_BITOPS_H */ diff --git a/include/asm-sh/cpu_sh4.h b/include/asm-sh/cpu_sh4.h index e0275f32a..dca61ca71 100644 --- a/include/asm-sh/cpu_sh4.h +++ b/include/asm-sh/cpu_sh4.h @@ -1,10 +1,48 @@ +/* + * (C) Copyright 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 + */ + #ifndef _ASM_CPU_SH4_H_ #define _ASM_CPU_SH4_H_ + +/* cache control */ +#define CCR_CACHE_STOP 0x00000808 +#define CCR_CACHE_ENABLE 0x00000101 +#define CCR_CACHE_ICI 0x00000800 + +#define CACHE_OC_ADDRESS_ARRAY 0xf4000000 +#define CACHE_OC_WAY_SHIFT 14 +#define CACHE_OC_NUM_ENTRIES 512 +#define CACHE_OC_ENTRY_SHIFT 5 +//#define CACHE_OC_NUM_WAYS 1 + #if defined (CONFIG_CPU_SH7750) #include -#elif defined (CONFIG_CPU_SH7780) -#include +//#ifdef CONFIG_CPU_TYPE_R +//#define CCR_CACHE_INIT 0x8000090d /* EMODE,ICI,ICE(16k),OCI,P1-wb,OCE(32k) */ +//#else +//#define CCR_CACHE_INIT 0x0000090b +//#endif +#elif defined (CONFIG_CPU_SH7722) +#include +//#define CCR_CACHE_INIT 0x0000090d #else #error "Unknown SH4 variant" #endif -#endif + +#endif /* _ASM_CPU_SH4_H_ */ diff --git a/include/asm-sh/cpu_sh7750.h b/include/asm-sh/cpu_sh7750.h index eb4f1affc..9993e6320 100644 --- a/include/asm-sh/cpu_sh7750.h +++ b/include/asm-sh/cpu_sh7750.h @@ -1,13 +1,44 @@ +/* + * (C) Copyright 2007 Nobuhiro Iwamatsu + * + * SH7750/SH7750S/SH7750R/SH7751/SH7751R + * Internal I/O register + * + * 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_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 +#ifdef CONFIG_CPU_TYPE_R +#define CACHE_OC_NUM_WAYS 2 +#define CCR_CACHE_INIT 0x8000090d /* EMODE,ICI,ICE(16k),OCI,P1-wb,OCE(32k) */ +#else +#define CACHE_OC_NUM_WAYS 1 +#define CCR_CACHE_INIT 0x0000090b +#endif + +/* OCN */ +#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 @@ -15,6 +46,8 @@ #define PTEA 0xFF000034 #define QACR0 0xFF000038 #define QACR1 0xFF00003C + +/* UBC */ #define BARA 0xFF200000 #define BAMRA 0xFF200004 #define BBRA 0xFF200008 @@ -25,121 +58,139 @@ #define BDMRB 0xFF20001C #define BRCR 0xFF200020 +/* BSC */ #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 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 + +/* DMAC */ +#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 + +/* CPG */ +#define FRQCR 0xFFC00000 +#define STBCR 0xFFC00004 +#define WTCNT 0xFFC00008 +#define WTCSR 0xFFC0000C +#define STBCR2 0xFFC00010 + +/* RTC */ +#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 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 +/* ICR */ +#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 + +/* CPG */ #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 + +/* TMU */ +#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 TSTR TSTR0 + +/* SCI */ +#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 + +/* SCIF */ #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 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_ */ +/* H-UDI */ +#define SDIR 0xFFF00000 +#define SDDR 0xFFF00008 +#define SDINT 0xFFF00014 +#endif /* _ASM_CPU_SH7750_H_ */ diff --git a/include/asm-sh/errno.h b/include/asm-sh/errno.h new file mode 100644 index 000000000..0d2c61803 --- /dev/null +++ b/include/asm-sh/errno.h @@ -0,0 +1,156 @@ +/* + * U-boot - errno.h Error number defines + * + * Copyright (c) 2005-2007 Analog Devices Inc. + * + * 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., 51 Franklin St, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#ifndef _BLACKFIN_ERRNO_H +#define _BLACKFIN_ERRNO_H + +#define EPERM 1 /* Operation not permitted */ +#define ENOENT 2 /* No such file or directory */ +#define ESRCH 3 /* No such process */ +#define EINTR 4 /* Interrupted system call */ +#define EIO 5 /* I/O error */ +#define ENXIO 6 /* No such device or address */ +#define E2BIG 7 /* Arg list too long */ +#define ENOEXEC 8 /* Exec format error */ +#define EBADF 9 /* Bad file number */ +#define ECHILD 10 /* No child processes */ +#define EAGAIN 11 /* Try again */ +#define ENOMEM 12 /* Out of memory */ +#define EACCES 13 /* Permission denied */ +#define EFAULT 14 /* Bad address */ +#define ENOTBLK 15 /* Block device required */ +#define EBUSY 16 /* Device or resource busy */ +#define EEXIST 17 /* File exists */ +#define EXDEV 18 /* Cross-device link */ +#define ENODEV 19 /* No such device */ +#define ENOTDIR 20 /* Not a directory */ +#define EISDIR 21 /* Is a directory */ +#define EINVAL 22 /* Invalid argument */ +#define ENFILE 23 /* File table overflow */ +#define EMFILE 24 /* Too many open files */ +#define ENOTTY 25 /* Not a typewriter */ +#define ETXTBSY 26 /* Text file busy */ +#define EFBIG 27 /* File too large */ +#define ENOSPC 28 /* No space left on device */ +#define ESPIPE 29 /* Illegal seek */ +#define EROFS 30 /* Read-only file system */ +#define EMLINK 31 /* Too many links */ +#define EPIPE 32 /* Broken pipe */ +#define EDOM 33 /* Math argument out of domain of func */ +#define ERANGE 34 /* Math result not representable */ +#define EDEADLK 35 /* Resource deadlock would occur */ +#define ENAMETOOLONG 36 /* File name too long */ +#define ENOLCK 37 /* No record locks available */ +#define ENOSYS 38 /* Function not implemented */ +#define ENOTEMPTY 39 /* Directory not empty */ +#define ELOOP 40 /* Too many symbolic links encountered */ +#define EWOULDBLOCK EAGAIN /* Operation would block */ +#define ENOMSG 42 /* No message of desired type */ +#define EIDRM 43 /* Identifier removed */ +#define ECHRNG 44 /* Channel number out of range */ +#define EL2NSYNC 45 /* Level 2 not synchronized */ +#define EL3HLT 46 /* Level 3 halted */ +#define EL3RST 47 /* Level 3 reset */ +#define ELNRNG 48 /* Link number out of range */ +#define EUNATCH 49 /* Protocol driver not attached */ +#define ENOCSI 50 /* No CSI structure available */ +#define EL2HLT 51 /* Level 2 halted */ +#define EBADE 52 /* Invalid exchange */ +#define EBADR 53 /* Invalid request descriptor */ +#define EXFULL 54 /* Exchange full */ +#define ENOANO 55 /* No anode */ +#define EBADRQC 56 /* Invalid request code */ +#define EBADSLT 57 /* Invalid slot */ + +#define EDEADLOCK EDEADLK + +#define EBFONT 59 /* Bad font file format */ +#define ENOSTR 60 /* Device not a stream */ +#define ENODATA 61 /* No data available */ +#define ETIME 62 /* Timer expired */ +#define ENOSR 63 /* Out of streams resources */ +#define ENONET 64 /* Machine is not on the network */ +#define ENOPKG 65 /* Package not installed */ +#define EREMOTE 66 /* Object is remote */ +#define ENOLINK 67 /* Link has been severed */ +#define EADV 68 /* Advertise error */ +#define ESRMNT 69 /* Srmount error */ +#define ECOMM 70 /* Communication error on send */ +#define EPROTO 71 /* Protocol error */ +#define EMULTIHOP 72 /* Multihop attempted */ +#define EDOTDOT 73 /* RFS specific error */ +#define EBADMSG 74 /* Not a data message */ +#define EOVERFLOW 75 /* Value too large for defined data type */ +#define ENOTUNIQ 76 /* Name not unique on network */ +#define EBADFD 77 /* File descriptor in bad state */ +#define EREMCHG 78 /* Remote address changed */ +#define ELIBACC 79 /* Can not access a needed shared library */ +#define ELIBBAD 80 /* Accessing a corrupted shared library */ +#define ELIBSCN 81 /* .lib section in a.out corrupted */ +#define ELIBMAX 82 /* Attempting to link in too many shared libraries */ +#define ELIBEXEC 83 /* Cannot exec a shared library directly */ +#define EILSEQ 84 /* Illegal byte sequence */ +#define ERESTART 85 /* Interrupted system call should be restarted */ +#define ESTRPIPE 86 /* Streams pipe error */ +#define EUSERS 87 /* Too many users */ +#define ENOTSOCK 88 /* Socket operation on non-socket */ +#define EDESTADDRREQ 89 /* Destination address required */ +#define EMSGSIZE 90 /* Message too long */ +#define EPROTOTYPE 91 /* Protocol wrong type for socket */ +#define ENOPROTOOPT 92 /* Protocol not available */ +#define EPROTONOSUPPORT 93 /* Protocol not supported */ +#define ESOCKTNOSUPPORT 94 /* Socket type not supported */ +#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */ +#define EPFNOSUPPORT 96 /* Protocol family not supported */ +#define EAFNOSUPPORT 97 /* Address family not supported by protocol */ +#define EADDRINUSE 98 /* Address already in use */ +#define EADDRNOTAVAIL 99 /* Cannot assign requested address */ +#define ENETDOWN 100 /* Network is down */ +#define ENETUNREACH 101 /* Network is unreachable */ +#define ENETRESET 102 /* Network dropped connection because of reset */ +#define ECONNABORTED 103 /* Software caused connection abort */ +#define ECONNRESET 104 /* Connection reset by peer */ +#define ENOBUFS 105 /* No buffer space available */ +#define EISCONN 106 /* Transport endpoint is already connected */ +#define ENOTCONN 107 /* Transport endpoint is not connected */ +#define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */ +#define ETOOMANYREFS 109 /* Too many references: cannot splice */ +#define ETIMEDOUT 110 /* Connection timed out */ +#define ECONNREFUSED 111 /* Connection refused */ +#define EHOSTDOWN 112 /* Host is down */ +#define EHOSTUNREACH 113 /* No route to host */ +#define EALREADY 114 /* Operation already in progress */ +#define EINPROGRESS 115 /* Operation now in progress */ +#define ESTALE 116 /* Stale NFS file handle */ +#define EUCLEAN 117 /* Structure needs cleaning */ +#define ENOTNAM 118 /* Not a XENIX named type file */ +#define ENAVAIL 119 /* No XENIX semaphores available */ +#define EISNAM 120 /* Is a named type file */ +#define EREMOTEIO 121 /* Remote I/O error */ +#define EDQUOT 122 /* Quota exceeded */ + +#define ENOMEDIUM 123 /* No medium found */ +#define EMEDIUMTYPE 124 /* Wrong medium type */ + +#endif diff --git a/include/asm-sh/io.h b/include/asm-sh/io.h index 70e60b170..03427ad33 100644 --- a/include/asm-sh/io.h +++ b/include/asm-sh/io.h @@ -91,23 +91,21 @@ extern void __raw_readsl(unsigned int addr, void *data, int longlen); * * 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(v,p) __raw_writeb(v, p) +#define outw(v,p) __raw_writew(cpu_to_le16(v),p) +#define outl(v,p) __raw_writel(cpu_to_le32(v),p) + +#define inb(p) ({ unsigned int __v = __raw_readb(p); __v; }) +#define inw(p) ({ unsigned int __v = __le16_to_cpu(__raw_readw(p)); __v; }) +#define inl(p) ({ unsigned int __v = __le32_to_cpu(__raw_readl(p)); __v; }) + +#define outsb(p,d,l) __raw_writesb(p,d,l) +#define outsw(p,d,l) __raw_writesw(p,d,l) +#define outsl(p,d,l) __raw_writesl(p,d,l) + +#define insb(p,d,l) __raw_readsb(p,d,l) +#define insw(p,d,l) __raw_readsw(p,d,l) +#define insl(p,d,l) __raw_readsl(p,d,l) #define outb_p(val,port) outb((val),(port)) #define outw_p(val,port) outw((val),(port)) @@ -174,8 +172,6 @@ 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 @@ -217,76 +213,19 @@ out: #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 readb(addr) __raw_readb(addr) +#define readw(addr) __raw_readw(addr) +#define readl(addr) __raw_readl(addr) +#define writeb(v,addr) __raw_writeb(v, addr) +#define writew(v,addr) __raw_writew(v, addr) +#define writel(v,addr) __raw_writel(v, addr) #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/irqflags.h b/include/asm-sh/irqflags.h new file mode 100644 index 000000000..830e5486a --- /dev/null +++ b/include/asm-sh/irqflags.h @@ -0,0 +1,126 @@ +#ifndef __ASM_SH_IRQFLAGS_H +#define __ASM_SH_IRQFLAGS_H + +static inline void raw_local_irq_enable(void) +{ + unsigned long __dummy0, __dummy1; + + __asm__ __volatile__ ( + "stc sr, %0\n\t" + "and %1, %0\n\t" +#ifdef CONFIG_CPU_HAS_SR_RB + "stc r6_bank, %1\n\t" + "or %1, %0\n\t" +#endif + "ldc %0, sr\n\t" + : "=&r" (__dummy0), "=r" (__dummy1) + : "1" (~0x000000f0) + : "memory" + ); +} + +static inline void raw_local_irq_disable(void) +{ + unsigned long flags; + + __asm__ __volatile__ ( + "stc sr, %0\n\t" + "or #0xf0, %0\n\t" + "ldc %0, sr\n\t" + : "=&z" (flags) + : /* no inputs */ + : "memory" + ); +} + +static inline void set_bl_bit(void) +{ + unsigned long __dummy0, __dummy1; + + __asm__ __volatile__ ( + "stc sr, %0\n\t" + "or %2, %0\n\t" + "and %3, %0\n\t" + "ldc %0, sr\n\t" + : "=&r" (__dummy0), "=r" (__dummy1) + : "r" (0x10000000), "r" (0xffffff0f) + : "memory" + ); +} + +static inline void clear_bl_bit(void) +{ + unsigned long __dummy0, __dummy1; + + __asm__ __volatile__ ( + "stc sr, %0\n\t" + "and %2, %0\n\t" + "ldc %0, sr\n\t" + : "=&r" (__dummy0), "=r" (__dummy1) + : "1" (~0x10000000) + : "memory" + ); +} + +static inline unsigned long __raw_local_save_flags(void) +{ + unsigned long flags; + + __asm__ __volatile__ ( + "stc sr, %0\n\t" + "and #0xf0, %0\n\t" + : "=&z" (flags) + : /* no inputs */ + : "memory" + ); + + return flags; +} + +#define raw_local_save_flags(flags) \ + do { (flags) = __raw_local_save_flags(); } while (0) + +static inline int raw_irqs_disabled_flags(unsigned long flags) +{ + return (flags != 0); +} + +static inline int raw_irqs_disabled(void) +{ + unsigned long flags = __raw_local_save_flags(); + + return raw_irqs_disabled_flags(flags); +} + +static inline unsigned long __raw_local_irq_save(void) +{ + unsigned long flags, __dummy; + + __asm__ __volatile__ ( + "stc sr, %1\n\t" + "mov %1, %0\n\t" + "or #0xf0, %0\n\t" + "ldc %0, sr\n\t" + "mov %1, %0\n\t" + "and #0xf0, %0\n\t" + : "=&z" (flags), "=&r" (__dummy) + : /* no inputs */ + : "memory" + ); + + return flags; +} + +#define raw_local_irq_save(flags) \ + do { (flags) = __raw_local_irq_save(); } while (0) + +#define local_irq_save raw_local_irq_save + +static inline void raw_local_irq_restore(unsigned long flags) +{ + if ((flags & 0xf0) != 0xf0) + raw_local_irq_enable(); +} +#define local_irq_restore raw_local_irq_restore + +#endif /* __ASM_SH_IRQFLAGS_H */ diff --git a/include/asm-sh/string.h b/include/asm-sh/string.h index a78ef818b..27d981b79 100644 --- a/include/asm-sh/string.h +++ b/include/asm-sh/string.h @@ -8,6 +8,8 @@ * from linux kernel code. */ +#ifdef __KERNEL__ /* only set these up for kernel code */ + #define __HAVE_ARCH_STRCPY static inline char *strcpy(char *__dest, const char *__src) { @@ -129,4 +131,32 @@ extern size_t strlen(const char *); /* arch/sh/lib/strcasecmp.c */ extern int strcasecmp(const char *, const char *); +#else /* KERNEL */ + +/* + * let user libraries deal with these, + * IMHO the kernel has no place defining these functions for user apps + */ + +#define __HAVE_ARCH_STRCPY 1 +#define __HAVE_ARCH_STRNCPY 1 +#define __HAVE_ARCH_STRCAT 1 +#define __HAVE_ARCH_STRNCAT 1 +#define __HAVE_ARCH_STRCMP 1 +#define __HAVE_ARCH_STRNCMP 1 +#define __HAVE_ARCH_STRNICMP 1 +#define __HAVE_ARCH_STRCHR 1 +#define __HAVE_ARCH_STRRCHR 1 +#define __HAVE_ARCH_STRSTR 1 +#define __HAVE_ARCH_STRLEN 1 +#define __HAVE_ARCH_STRNLEN 1 +#define __HAVE_ARCH_MEMSET 1 +#define __HAVE_ARCH_MEMCPY 1 +#define __HAVE_ARCH_MEMMOVE 1 +#define __HAVE_ARCH_MEMSCAN 1 +#define __HAVE_ARCH_MEMCMP 1 +#define __HAVE_ARCH_MEMCHR 1 +#define __HAVE_ARCH_STRTOK 1 + +#endif /* KERNEL */ #endif /* __ASM_SH_STRING_H */ diff --git a/lib_sh/board.c b/lib_sh/board.c index c3f846257..c63ac0313 100644 --- a/lib_sh/board.c +++ b/lib_sh/board.c @@ -65,6 +65,61 @@ void *sbrk (ptrdiff_t increment) return (void *) old; } +static int sh_flash_init(void) +{ + DECLARE_GLOBAL_DATA_PTR; + + gd->bd->bi_flashsize = flash_init(); + printf("FLASH: %dMB\n", gd->bd->bi_flashsize / (1024*1024)); + + return 0; +} + +#if defined(CONFIG_CMD_NAND) +void nand_init (void); +static int sh_nand_init(void) +{ + printf("NAND: "); + nand_init(); /* go init the NAND */ + return 0; +} +#endif /* CONFIG_CMD_NAND */ + +#if defined(CONFIG_CMD_IDE) +#include +static int sh_marubun_init(void) +{ + puts ("IDE: "); + ide_init(); + return 0; +} +#endif /* (CONFIG_CMD_IDE) */ + +static int sh_mem_env_init(void) +{ + mem_malloc_init(); + malloc_bin_reloc(); + env_relocate(); + jumptable_init(); + return 0; +} + +static int sh_net_init(void) +{ + DECLARE_GLOBAL_DATA_PTR; + char *s, *e; + int i; + + gd->bd->bi_ip_addr = getenv_IPaddr("ipaddr"); + s = getenv("ethaddr"); + for (i = 0; i < 6; ++i) { + gd->bd->bi_enetaddr[i] = s ? simple_strtoul(s, &e, 16) : 0; + if (s) s = (*e) ? e + 1 : e; + } + + return 0; +} + typedef int (init_fnc_t) (void); init_fnc_t *init_sequence[] = @@ -74,12 +129,27 @@ init_fnc_t *init_sequence[] = interrupt_init, /* set up exceptions */ env_init, /* event init */ serial_init, /* SCIF init */ - watchdog_init, + watchdog_init, /* watchdog init */ console_init_f, display_options, checkcpu, - checkboard, + checkboard, /* Check support board */ dram_init, /* SDRAM init */ + timer_init, /* SuperH Timer (TCNT0 only) init */ + sh_flash_init, /* Flash memory(NOR) init*/ + sh_mem_env_init, +#if defined(CONFIG_CMD_NAND) + sh_nand_init, /* Flash memory (NAND) init */ +#endif + devices_init, + console_init_r, + interrupt_init, +#ifdef BOARD_LATE_INIT + board_late_init, +#endif +#if defined(CONFIG_CMD_NET) + sh_net_init, /* SH specific eth init */ +#endif NULL /* Terminate this list */ }; @@ -89,14 +159,14 @@ void sh_generic_init (void) bd_t *bd; init_fnc_t **init_fnc_ptr; - char *s, *e; + char *s; 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->bd = (bd_t *) (gd + 1); /* At end of global data */ gd->baudrate = CONFIG_BAUDRATE; gd->cpu_clk = CONFIG_SYS_CLK_FREQ; @@ -111,53 +181,30 @@ void sh_generic_init (void) #endif bd->bi_baudrate = CONFIG_BAUDRATE; - for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { + for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr , i++) { 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) +#if defined(CONFIG_CMD_NET) puts ("Net: "); -#endif eth_initialize(gd->bd); -#endif + + if ((s = getenv ("bootfile")) != NULL) { + copy_filename (BootFile, s, sizeof (BootFile)); + } +#endif /* CONFIG_CMD_NET */ + while (1) { main_loop(); } } - /***********************************************************************/ void hang (void) { - puts ("Board ERROR \n"); + puts ("Board ERROR\n"); for (;;); } diff --git a/lib_sh/sh_linux.c b/lib_sh/sh_linux.c index 7237ab338..acd47b5db 100644 --- a/lib_sh/sh_linux.c +++ b/lib_sh/sh_linux.c @@ -69,6 +69,7 @@ void do_bootm_linux (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[], /* 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 index 362013682..3d33918f2 100644 --- a/lib_sh/time.c +++ b/lib_sh/time.c @@ -73,4 +73,3 @@ unsigned long get_tbclk (void) { return CFG_HZ; } - diff --git a/sh_config.mk b/sh_config.mk new file mode 100644 index 000000000..49d50f7eb --- /dev/null +++ b/sh_config.mk @@ -0,0 +1,24 @@ +# +# (C) Copyright 2000-2002 +# 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 +# + +PLATFORM_CPPFLAGS += -DCONFIG_SH -D__SH__ -- cgit v1.2.3