diff options
author | Peter Tyser <ptyser@xes-inc.com> | 2010-04-12 22:28:04 -0500 |
---|---|---|
committer | Wolfgang Denk <wd@denx.de> | 2010-04-13 09:13:03 +0200 |
commit | ea0364f1bbfed1e3ea711147420875cf338fe77a (patch) | |
tree | 15c051bc4d2e94c1661c73e1b87c22c7beda7c24 /lib_m68k | |
parent | 89f39e177e7b0152aa1d3152baa25d986e36cdcf (diff) |
Move lib_$ARCH directories to arch/$ARCH/lib
Also move lib_$ARCH/config.mk to arch/$ARCH/config.mk
This change is intended to clean up the top-level directory structure
and more closely mimic Linux's directory organization.
Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
Diffstat (limited to 'lib_m68k')
-rw-r--r-- | lib_m68k/Makefile | 50 | ||||
-rw-r--r-- | lib_m68k/board.c | 744 | ||||
-rw-r--r-- | lib_m68k/bootm.c | 146 | ||||
-rw-r--r-- | lib_m68k/cache.c | 150 | ||||
-rw-r--r-- | lib_m68k/config.mk | 30 | ||||
-rw-r--r-- | lib_m68k/interrupts.c | 115 | ||||
-rw-r--r-- | lib_m68k/time.c | 227 | ||||
-rw-r--r-- | lib_m68k/traps.c | 76 |
8 files changed, 0 insertions, 1538 deletions
diff --git a/lib_m68k/Makefile b/lib_m68k/Makefile deleted file mode 100644 index 6db35ed2c10..00000000000 --- a/lib_m68k/Makefile +++ /dev/null @@ -1,50 +0,0 @@ -# -# (C) Copyright 2000-2006 -# 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 $(TOPDIR)/config.mk - -LIB = $(obj)lib$(ARCH).a - -SOBJS-y += - -COBJS-y += board.o -COBJS-y += bootm.o -COBJS-y += cache.o -COBJS-y += interrupts.o -COBJS-y += time.o -COBJS-y += traps.o - -SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) -OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y)) - -$(LIB): $(obj).depend $(OBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/lib_m68k/board.c b/lib_m68k/board.c deleted file mode 100644 index 732023d67c0..00000000000 --- a/lib_m68k/board.c +++ /dev/null @@ -1,744 +0,0 @@ -/* - * (C) Copyright 2003 - * Josef Baumgartner <josef.baumgartner@telex.de> - * - * (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 - */ - -#include <common.h> -#include <watchdog.h> -#include <command.h> -#include <malloc.h> -#include <stdio_dev.h> - -#include <asm/immap.h> - -#if defined(CONFIG_CMD_IDE) -#include <ide.h> -#endif -#if defined(CONFIG_CMD_SCSI) -#include <scsi.h> -#endif -#if defined(CONFIG_CMD_KGDB) -#include <kgdb.h> -#endif -#ifdef CONFIG_STATUS_LED -#include <status_led.h> -#endif -#include <net.h> -#include <serial.h> -#if defined(CONFIG_CMD_BEDBUG) -#include <cmd_bedbug.h> -#endif -#ifdef CONFIG_SYS_ALLOC_DPRAM -#include <commproc.h> -#endif -#include <version.h> - -#if defined(CONFIG_HARD_I2C) || \ - defined(CONFIG_SOFT_I2C) -#include <i2c.h> -#endif - -#ifdef CONFIG_CMD_SPI -#include <spi.h> -#endif - -#ifdef CONFIG_BITBANGMII -#include <miiphy.h> -#endif - -#include <nand.h> - -DECLARE_GLOBAL_DATA_PTR; - -static char *failed = "*** failed ***\n"; - -#ifdef CONFIG_PCU_E -extern flash_info_t flash_info[]; -#endif - -#include <environment.h> - -#if ( ((CONFIG_ENV_ADDR+CONFIG_ENV_SIZE) < CONFIG_SYS_MONITOR_BASE) || \ - (CONFIG_ENV_ADDR >= (CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN)) ) || \ - defined(CONFIG_ENV_IS_IN_NVRAM) -#define TOTAL_MALLOC_LEN (CONFIG_SYS_MALLOC_LEN + CONFIG_ENV_SIZE) -#else -#define TOTAL_MALLOC_LEN CONFIG_SYS_MALLOC_LEN -#endif - -extern ulong __init_end; -extern ulong _end; - -extern void timer_init(void); - -#if defined(CONFIG_WATCHDOG) -# define INIT_FUNC_WATCHDOG_INIT watchdog_init, -# define WATCHDOG_DISABLE watchdog_disable - -extern int watchdog_init(void); -extern int watchdog_disable(void); -#else -# define INIT_FUNC_WATCHDOG_INIT /* undef */ -# define WATCHDOG_DISABLE /* undef */ -#endif /* CONFIG_WATCHDOG */ - -ulong monitor_flash_len; - -/************************************************************************ - * Utilities * - ************************************************************************ - */ - -/* - * All attempts to come up with a "common" initialization sequence - * that works for all boards and architectures failed: some of the - * requirements are just _too_ different. To get rid of the resulting - * mess of board dependend #ifdef'ed code we now make the whole - * initialization sequence configurable to the user. - * - * The requirements for any new initalization function is simple: it - * receives a pointer to the "global data" structure as it's only - * argument, and returns an integer return code, where 0 means - * "continue" and != 0 means "fatal error, hang the system". - */ -typedef int (init_fnc_t) (void); - -/************************************************************************ - * Init Utilities - ************************************************************************ - * Some of this code should be moved into the core functions, - * but let's get it working (again) first... - */ - -static int init_baudrate (void) -{ - char tmp[64]; /* long enough for environment variables */ - int i = getenv_r ("baudrate", tmp, sizeof (tmp)); - - gd->baudrate = (i > 0) - ? (int) simple_strtoul (tmp, NULL, 10) - : CONFIG_BAUDRATE; - return (0); -} - -/***********************************************************************/ - -static int init_func_ram (void) -{ - int board_type = 0; /* use dummy arg */ - puts ("DRAM: "); - - if ((gd->ram_size = initdram (board_type)) > 0) { - print_size (gd->ram_size, "\n"); - return (0); - } - puts (failed); - return (1); -} - -/***********************************************************************/ - -#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) -static int init_func_i2c (void) -{ - puts ("I2C: "); - i2c_init (CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); - puts ("ready\n"); - return (0); -} -#endif - -#if defined(CONFIG_HARD_SPI) -static int init_func_spi (void) -{ - puts ("SPI: "); - spi_init (); - puts ("ready\n"); - return (0); -} -#endif - -/***********************************************************************/ - -/************************************************************************ - * Initialization sequence * - ************************************************************************ - */ - -init_fnc_t *init_sequence[] = { - get_clocks, - env_init, - init_baudrate, - serial_init, - console_init_f, - display_options, - checkcpu, - checkboard, -#if defined(CONFIG_HARD_I2C) || defined(CONFIG_SOFT_I2C) - init_func_i2c, -#endif -#if defined(CONFIG_HARD_SPI) - init_func_spi, -#endif - init_func_ram, -#if defined(CONFIG_SYS_DRAM_TEST) - testdram, -#endif /* CONFIG_SYS_DRAM_TEST */ - INIT_FUNC_WATCHDOG_INIT - NULL, /* Terminate this list */ -}; - - -/************************************************************************ - * - * This is the first part of the initialization sequence that is - * implemented in C, but still running from ROM. - * - * The main purpose is to provide a (serial) console interface as - * soon as possible (so we can see any error messages), and to - * initialize the RAM so that we can relocate the monitor code to - * RAM. - * - * Be aware of the restrictions: global data is read-only, BSS is not - * initialized, and stack space is limited to a few kB. - * - ************************************************************************ - */ - -void -board_init_f (ulong bootflag) -{ - bd_t *bd; - ulong len, addr, addr_sp; - ulong *paddr; - gd_t *id; - init_fnc_t **init_fnc_ptr; -#ifdef CONFIG_PRAM - int i; - ulong reg; - char tmp[64]; /* long enough for environment variables */ -#endif - - /* Pointer is writable since we allocated a register for it */ - gd = (gd_t *) (CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_GBL_DATA_OFFSET); - /* compiler optimization barrier needed for GCC >= 3.4 */ - __asm__ __volatile__("": : :"memory"); - - /* Clear initial global data */ - memset ((void *) gd, 0, sizeof (gd_t)); - - for (init_fnc_ptr = init_sequence; *init_fnc_ptr; ++init_fnc_ptr) { - if ((*init_fnc_ptr)() != 0) { - hang (); - } - } - - /* - * Now that we have DRAM mapped and working, we can - * relocate the code and continue running from DRAM. - * - * Reserve memory at end of RAM for (top down in that order): - * - protected RAM - * - LCD framebuffer - * - monitor code - * - board info struct - */ - len = (ulong)&_end - CONFIG_SYS_MONITOR_BASE; - - addr = CONFIG_SYS_SDRAM_BASE + gd->ram_size; - -#ifdef CONFIG_LOGBUFFER - /* reserve kernel log buffer */ - addr -= (LOGBUFF_RESERVE); - debug ("Reserving %dk for kernel logbuffer at %08lx\n", LOGBUFF_LEN, addr); -#endif - -#ifdef CONFIG_PRAM - /* - * reserve protected RAM - */ - i = getenv_r ("pram", tmp, sizeof (tmp)); - reg = (i > 0) ? simple_strtoul (tmp, NULL, 10) : CONFIG_PRAM; - addr -= (reg << 10); /* size is in kB */ - debug ("Reserving %ldk for protected RAM at %08lx\n", reg, addr); -#endif /* CONFIG_PRAM */ - - /* round down to next 4 kB limit */ - addr &= ~(4096 - 1); - debug ("Top of RAM usable for U-Boot at: %08lx\n", addr); - -#ifdef CONFIG_LCD - /* reserve memory for LCD display (always full pages) */ - addr = lcd_setmem (addr); - gd->fb_base = addr; -#endif /* CONFIG_LCD */ - - /* - * reserve memory for U-Boot code, data & bss - * round down to next 4 kB limit - */ - addr -= len; - addr &= ~(4096 - 1); - - debug ("Reserving %ldk for U-Boot at: %08lx\n", len >> 10, addr); - - /* - * reserve memory for malloc() arena - */ - addr_sp = addr - TOTAL_MALLOC_LEN; - debug ("Reserving %dk for malloc() at: %08lx\n", - TOTAL_MALLOC_LEN >> 10, addr_sp); - - /* - * (permanently) allocate a Board Info struct - * and a permanent copy of the "global" data - */ - addr_sp -= sizeof (bd_t); - bd = (bd_t *) addr_sp; - gd->bd = bd; - debug ("Reserving %zu Bytes for Board Info at: %08lx\n", - sizeof (bd_t), addr_sp); - addr_sp -= sizeof (gd_t); - id = (gd_t *) addr_sp; - debug ("Reserving %zu Bytes for Global Data at: %08lx\n", - sizeof (gd_t), addr_sp); - - /* Reserve memory for boot params. */ - addr_sp -= CONFIG_SYS_BOOTPARAMS_LEN; - bd->bi_boot_params = addr_sp; - debug ("Reserving %dk for boot parameters at: %08lx\n", - CONFIG_SYS_BOOTPARAMS_LEN >> 10, addr_sp); - - /* - * Finally, we set up a new (bigger) stack. - * - * Leave some safety gap for SP, force alignment on 16 byte boundary - * Clear initial stack frame - */ - addr_sp -= 16; - addr_sp &= ~0xF; - - paddr = (ulong *)addr_sp; - *paddr-- = 0; - *paddr-- = 0; - addr_sp = (ulong)paddr; - - debug ("Stack Pointer at: %08lx\n", addr_sp); - - /* - * Save local variables to board info struct - */ - bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; /* start of DRAM memory */ - bd->bi_memsize = gd->ram_size; /* size of DRAM memory in bytes */ -#ifdef CONFIG_SYS_INIT_RAM_ADDR - bd->bi_sramstart = CONFIG_SYS_INIT_RAM_ADDR; /* start of SRAM memory */ - bd->bi_sramsize = CONFIG_SYS_INIT_RAM_END; /* size of SRAM memory */ -#endif - bd->bi_mbar_base = CONFIG_SYS_MBAR; /* base of internal registers */ - - bd->bi_bootflags = bootflag; /* boot / reboot flag (for LynxOS) */ - - WATCHDOG_RESET (); - bd->bi_intfreq = gd->cpu_clk; /* Internal Freq, in Hz */ - bd->bi_busfreq = gd->bus_clk; /* Bus Freq, in Hz */ -#ifdef CONFIG_PCI - bd->bi_pcifreq = gd->pci_clk; /* PCI Freq in Hz */ -#endif -#ifdef CONFIG_EXTRA_CLOCK - bd->bi_inpfreq = gd->inp_clk; /* input Freq in Hz */ - bd->bi_vcofreq = gd->vco_clk; /* vco Freq in Hz */ - bd->bi_flbfreq = gd->flb_clk; /* flexbus Freq in Hz */ -#endif - bd->bi_baudrate = gd->baudrate; /* Console Baudrate */ - -#ifdef CONFIG_SYS_EXTBDINFO - strncpy (bd->bi_s_version, "1.2", sizeof (bd->bi_s_version)); - strncpy (bd->bi_r_version, U_BOOT_VERSION, sizeof (bd->bi_r_version)); -#endif - - WATCHDOG_RESET (); - -#ifdef CONFIG_POST - post_bootmode_init(); - post_run (NULL, POST_ROM | post_bootmode_get(0)); -#endif - - WATCHDOG_RESET(); - - memcpy (id, (void *)gd, sizeof (gd_t)); - - debug ("Start relocate of code from %08x to %08lx\n", CONFIG_SYS_MONITOR_BASE, addr); - relocate_code (addr_sp, id, addr); - - /* NOTREACHED - jump_to_ram() does not return */ -} - -/************************************************************************ - * - * This is the next part if the initialization sequence: we are now - * running from RAM and have a "normal" C environment, i. e. global - * data can be written, BSS has been cleared, the stack size in not - * that critical any more, etc. - * - ************************************************************************ - */ -void board_init_r (gd_t *id, ulong dest_addr) -{ - cmd_tbl_t *cmdtp; - char *s; - bd_t *bd; - extern void malloc_bin_reloc (void); - -#ifndef CONFIG_ENV_IS_NOWHERE - extern char * env_name_spec; -#endif -#ifndef CONFIG_SYS_NO_FLASH - ulong flash_size; -#endif - gd = id; /* initialize RAM version of global data */ - bd = gd->bd; - - gd->flags |= GD_FLG_RELOC; /* tell others: relocation done */ - -#ifdef CONFIG_SERIAL_MULTI - serial_initialize(); -#endif - - debug ("Now running in RAM - U-Boot at: %08lx\n", dest_addr); - - WATCHDOG_RESET (); - - gd->reloc_off = dest_addr - CONFIG_SYS_MONITOR_BASE; - - monitor_flash_len = (ulong)&__init_end - dest_addr; - - /* - * We have to relocate the command table manually - */ - for (cmdtp = &__u_boot_cmd_start; cmdtp != &__u_boot_cmd_end; cmdtp++) { - ulong addr; - addr = (ulong) (cmdtp->cmd) + gd->reloc_off; -#if 0 - printf ("Command \"%s\": 0x%08lx => 0x%08lx\n", - cmdtp->name, (ulong) (cmdtp->cmd), addr); -#endif - cmdtp->cmd = - (int (*)(struct cmd_tbl_s *, int, int, char *[]))addr; - - addr = (ulong)(cmdtp->name) + gd->reloc_off; - cmdtp->name = (char *)addr; - - if (cmdtp->usage) { - addr = (ulong)(cmdtp->usage) + gd->reloc_off; - cmdtp->usage = (char *)addr; - } -#ifdef CONFIG_SYS_LONGHELP - if (cmdtp->help) { - addr = (ulong)(cmdtp->help) + gd->reloc_off; - cmdtp->help = (char *)addr; - } -#endif - } - /* there are some other pointer constants we must deal with */ -#ifndef CONFIG_ENV_IS_NOWHERE - env_name_spec += gd->reloc_off; -#endif - - WATCHDOG_RESET (); - -#ifdef CONFIG_LOGBUFFER - logbuff_init_ptrs (); -#endif -#ifdef CONFIG_POST - post_output_backlog (); - post_reloc (); -#endif - WATCHDOG_RESET(); - -#if 0 - /* instruction cache enabled in cpu_init_f() for faster relocation */ - icache_enable (); /* it's time to enable the instruction cache */ -#endif - - /* - * Setup trap handlers - */ - trap_init (CONFIG_SYS_SDRAM_BASE); - - /* The Malloc area is immediately below the monitor copy in DRAM */ - mem_malloc_init (CONFIG_SYS_MONITOR_BASE + gd->reloc_off - - TOTAL_MALLOC_LEN, TOTAL_MALLOC_LEN); - malloc_bin_reloc (); - -#if !defined(CONFIG_SYS_NO_FLASH) - puts ("FLASH: "); - - if ((flash_size = flash_init ()) > 0) { -# ifdef CONFIG_SYS_FLASH_CHECKSUM - print_size (flash_size, ""); - /* - * Compute and print flash CRC if flashchecksum is set to 'y' - * - * NOTE: Maybe we should add some WATCHDOG_RESET()? XXX - */ - s = getenv ("flashchecksum"); - if (s && (*s == 'y')) { - printf (" CRC: %08X", - crc32 (0, - (const unsigned char *) CONFIG_SYS_FLASH_BASE, - flash_size) - ); - } - putc ('\n'); -# else /* !CONFIG_SYS_FLASH_CHECKSUM */ - print_size (flash_size, "\n"); -# endif /* CONFIG_SYS_FLASH_CHECKSUM */ - } else { - puts (failed); - hang (); - } - - bd->bi_flashstart = CONFIG_SYS_FLASH_BASE; /* update start of FLASH memory */ - bd->bi_flashsize = flash_size; /* size of FLASH memory (final value) */ - bd->bi_flashoffset = 0; -#else /* CONFIG_SYS_NO_FLASH */ - bd->bi_flashsize = 0; - bd->bi_flashstart = 0; - bd->bi_flashoffset = 0; -#endif /* !CONFIG_SYS_NO_FLASH */ - - WATCHDOG_RESET (); - - /* initialize higher level parts of CPU like time base and timers */ - cpu_init_r (); - - WATCHDOG_RESET (); - -#ifdef CONFIG_SPI -# if !defined(CONFIG_ENV_IS_IN_EEPROM) - spi_init_f (); -# endif - spi_init_r (); -#endif - - /* relocate environment function pointers etc. */ - env_relocate (); - - /* - * Fill in missing fields of bd_info. - * We do this here, where we have "normal" access to the - * environment; we used to do this still running from ROM, - * where had to use getenv_r(), which can be pretty slow when - * the environment is in EEPROM. - */ - bd->bi_ip_addr = getenv_IPaddr ("ipaddr"); - - WATCHDOG_RESET (); - -#if defined(CONFIG_PCI) - /* - * Do pci configuration - */ - pci_init (); -#endif - - /** leave this here (after malloc(), environment and PCI are working) **/ - /* Initialize stdio devices */ - stdio_init (); - - /* Initialize the jump table for applications */ - jumptable_init (); - - /* Initialize the console (after the relocation and devices init) */ - console_init_r (); - -#if defined(CONFIG_MISC_INIT_R) - /* miscellaneous platform dependent initialisations */ - misc_init_r (); -#endif - -#if defined(CONFIG_CMD_KGDB) - WATCHDOG_RESET (); - puts ("KGDB: "); - kgdb_init (); -#endif - - debug ("U-Boot relocated to %08lx\n", dest_addr); - - /* - * Enable Interrupts - */ - interrupt_init (); - - /* Must happen after interrupts are initialized since - * an irq handler gets installed - */ - timer_init(); - -#ifdef CONFIG_SERIAL_SOFTWARE_FIFO - serial_buffered_init(); -#endif - -#ifdef CONFIG_STATUS_LED - status_led_set (STATUS_LED_BOOT, STATUS_LED_BLINKING); -#endif - - udelay (20); - - set_timer (0); - - /* Insert function pointers now that we have relocated the code */ - - /* Initialize from environment */ - if ((s = getenv ("loadaddr")) != NULL) { - load_addr = simple_strtoul (s, NULL, 16); - } -#if defined(CONFIG_CMD_NET) - if ((s = getenv ("bootfile")) != NULL) { - copy_filename (BootFile, s, sizeof (BootFile)); - } -#endif - - WATCHDOG_RESET (); - -#if defined(CONFIG_CMD_DOC) - WATCHDOG_RESET (); - puts ("DOC: "); - doc_init (); -#endif - -#if defined(CONFIG_CMD_NAND) - WATCHDOG_RESET (); - puts ("NAND: "); - nand_init(); /* go init the NAND */ -#endif - -#ifdef CONFIG_BITBANGMII - bb_miiphy_init(); -#endif -#if defined(CONFIG_CMD_NET) - WATCHDOG_RESET(); -#if defined(FEC_ENET) - eth_init(bd); -#endif -#if defined(CONFIG_NET_MULTI) - puts ("Net: "); - eth_initialize (bd); -#endif -#endif - -#ifdef CONFIG_POST - post_run (NULL, POST_RAM | post_bootmode_get(0)); -#endif - -#if defined(CONFIG_CMD_PCMCIA) \ - && !defined(CONFIG_CMD_IDE) - WATCHDOG_RESET (); - puts ("PCMCIA:"); - pcmcia_init (); -#endif - -#if defined(CONFIG_CMD_IDE) - WATCHDOG_RESET (); - puts ("IDE: "); - ide_init (); -#endif - -#ifdef CONFIG_LAST_STAGE_INIT - WATCHDOG_RESET (); - /* - * Some parts can be only initialized if all others (like - * Interrupts) are up and running (i.e. the PC-style ISA - * keyboard). - */ - last_stage_init (); -#endif - -#if defined(CONFIG_CMD_BEDBUG) - WATCHDOG_RESET (); - bedbug_init (); -#endif - -#if defined(CONFIG_PRAM) || defined(CONFIG_LOGBUFFER) - /* - * Export available size of memory for Linux, - * taking into account the protected RAM at top of memory - */ - { - ulong pram; - char memsz[32]; -#ifdef CONFIG_PRAM - char *s; - - if ((s = getenv ("pram")) != NULL) { - pram = simple_strtoul (s, NULL, 10); - } else { - pram = CONFIG_PRAM; - } -#else - pram=0; -#endif -#ifdef CONFIG_LOGBUFFER - /* Also take the logbuffer into account (pram is in kB) */ - pram += (LOGBUFF_LEN+LOGBUFF_OVERHEAD)/1024; -#endif - sprintf (memsz, "%ldk", (bd->bi_memsize / 1024) - pram); - setenv ("mem", memsz); - } -#endif - -#ifdef CONFIG_MODEM_SUPPORT - { - extern int do_mdm_init; - do_mdm_init = gd->do_mdm_init; - } -#endif - -#ifdef CONFIG_WATCHDOG - /* disable watchdog if environment is set */ - if ((s = getenv ("watchdog")) != NULL) { - if (strncmp (s, "off", 3) == 0) { - WATCHDOG_DISABLE (); - } - } -#endif /* CONFIG_WATCHDOG*/ - - - /* Initialization complete - start the monitor */ - - /* main_loop() can return to retry autoboot, if so just run it again. */ - for (;;) { - WATCHDOG_RESET (); - main_loop (); - } - - /* NOTREACHED - no way out of command loop except booting */ -} - - -void hang(void) -{ - puts ("### ERROR ### Please RESET the board ###\n"); - for (;;); -} diff --git a/lib_m68k/bootm.c b/lib_m68k/bootm.c deleted file mode 100644 index e5ed6eb7cc6..00000000000 --- a/lib_m68k/bootm.c +++ /dev/null @@ -1,146 +0,0 @@ -/* - * (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 <image.h> -#include <u-boot/zlib.h> -#include <bzlib.h> -#include <watchdog.h> -#include <environment.h> -#include <asm/byteorder.h> -#ifdef CONFIG_SHOW_BOOT_PROGRESS -# include <status_led.h> -#endif - -DECLARE_GLOBAL_DATA_PTR; - -#define PHYSADDR(x) x - -#define LINUX_MAX_ENVS 256 -#define LINUX_MAX_ARGS 256 - -static ulong get_sp (void); -static void set_clocks_in_mhz (bd_t *kbd); - -void arch_lmb_reserve(struct lmb *lmb) -{ - ulong sp; - - /* - * Booting a (Linux) kernel image - * - * Allocate space for command line and board info - the - * address should be as high as possible within the reach of - * the kernel (see CONFIG_SYS_BOOTMAPSZ settings), but in unused - * memory, which means far enough below the current stack - * pointer. - */ - sp = get_sp(); - debug ("## Current stack ends at 0x%08lx ", sp); - - /* adjust sp by 1K to be safe */ - sp -= 1024; - lmb_reserve(lmb, sp, (CONFIG_SYS_SDRAM_BASE + gd->ram_size - sp)); -} - -int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images) -{ - ulong rd_len; - ulong initrd_start, initrd_end; - int ret; - - ulong cmd_start, cmd_end; - ulong bootmap_base; - bd_t *kbd; - void (*kernel) (bd_t *, ulong, ulong, ulong, ulong); - struct lmb *lmb = &images->lmb; - - if ((flag != 0) && (flag != BOOTM_STATE_OS_GO)) - return 1; - - bootmap_base = getenv_bootm_low(); - - /* allocate space and init command line */ - ret = boot_get_cmdline (lmb, &cmd_start, &cmd_end, bootmap_base); - if (ret) { - puts("ERROR with allocation of cmdline\n"); - goto error; - } - - /* allocate space for kernel copy of board info */ - ret = boot_get_kbd (lmb, &kbd, bootmap_base); - if (ret) { - puts("ERROR with allocation of kernel bd\n"); - goto error; - } - set_clocks_in_mhz(kbd); - - kernel = (void (*)(bd_t *, ulong, ulong, ulong, ulong))images->ep; - - rd_len = images->rd_end - images->rd_start; - ret = boot_ramdisk_high (lmb, images->rd_start, rd_len, - &initrd_start, &initrd_end); - if (ret) - goto error; - - debug("## Transferring control to Linux (at address %08lx) ...\n", - (ulong) kernel); - - show_boot_progress (15); - - /* - * Linux Kernel Parameters (passing board info data): - * sp+00: Ignore, side effect of using jsr to jump to kernel - * sp+04: ptr to board info data - * sp+08: initrd_start or 0 if no initrd - * sp+12: initrd_end - unused if initrd_start is 0 - * sp+16: Start of command line string - * sp+20: End of command line string - */ - (*kernel) (kbd, initrd_start, initrd_end, cmd_start, cmd_end); - /* does not return */ -error: - return 1; -} - -static ulong get_sp (void) -{ - ulong sp; - - asm("movel %%a7, %%d0\n" - "movel %%d0, %0\n": "=d"(sp): :"%d0"); - - return sp; -} - -static void set_clocks_in_mhz (bd_t *kbd) -{ - char *s; - - if ((s = getenv("clocks_in_mhz")) != NULL) { - /* convert all clock information to MHz */ - kbd->bi_intfreq /= 1000000L; - kbd->bi_busfreq /= 1000000L; - } -} diff --git a/lib_m68k/cache.c b/lib_m68k/cache.c deleted file mode 100644 index ed881783f10..00000000000 --- a/lib_m68k/cache.c +++ /dev/null @@ -1,150 +0,0 @@ -/* - * (C) Copyright 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 - */ - -#include <common.h> -#include <asm/immap.h> -#include <asm/cache.h> - -volatile int *cf_icache_status = (int *)ICACHE_STATUS; -volatile int *cf_dcache_status = (int *)DCACHE_STATUS; - -void flush_cache(ulong start_addr, ulong size) -{ - /* Must be implemented for all M68k processors with copy-back data cache */ -} - -int icache_status(void) -{ - return *cf_icache_status; -} - -int dcache_status(void) -{ - return *cf_dcache_status; -} - -void icache_enable(void) -{ - icache_invalid(); - - *cf_icache_status = 1; - -#ifdef CONFIG_CF_V4 - __asm__ __volatile__("movec %0, %%acr2"::"r"(CONFIG_SYS_CACHE_ACR2)); - __asm__ __volatile__("movec %0, %%acr3"::"r"(CONFIG_SYS_CACHE_ACR3)); -#elif defined(CONFIG_CF_V4e) - __asm__ __volatile__("movec %0, %%acr6"::"r"(CONFIG_SYS_CACHE_ACR6)); - __asm__ __volatile__("movec %0, %%acr7"::"r"(CONFIG_SYS_CACHE_ACR7)); -#else - __asm__ __volatile__("movec %0, %%acr0"::"r"(CONFIG_SYS_CACHE_ACR0)); - __asm__ __volatile__("movec %0, %%acr1"::"r"(CONFIG_SYS_CACHE_ACR1)); -#endif - - __asm__ __volatile__("movec %0, %%cacr"::"r"(CONFIG_SYS_CACHE_ICACR)); -} - -void icache_disable(void) -{ - u32 temp = 0; - - *cf_icache_status = 0; - icache_invalid(); - -#ifdef CONFIG_CF_V4 - __asm__ __volatile__("movec %0, %%acr2"::"r"(temp)); - __asm__ __volatile__("movec %0, %%acr3"::"r"(temp)); -#elif defined(CONFIG_CF_V4e) - __asm__ __volatile__("movec %0, %%acr6"::"r"(temp)); - __asm__ __volatile__("movec %0, %%acr7"::"r"(temp)); -#else - __asm__ __volatile__("movec %0, %%acr0"::"r"(temp)); - __asm__ __volatile__("movec %0, %%acr1"::"r"(temp)); - -#endif -} - -void icache_invalid(void) -{ - u32 temp; - - temp = CONFIG_SYS_ICACHE_INV; - if (*cf_icache_status) - temp |= CONFIG_SYS_CACHE_ICACR; - - __asm__ __volatile__("movec %0, %%cacr"::"r"(temp)); -} - -/* - * data cache only for ColdFire V4 such as MCF547x_8x, MCF5445x - * the dcache will be dummy in ColdFire V2 and V3 - */ -void dcache_enable(void) -{ - dcache_invalid(); - *cf_dcache_status = 1; - -#ifdef CONFIG_CF_V4 - __asm__ __volatile__("movec %0, %%acr0"::"r"(CONFIG_SYS_CACHE_ACR0)); - __asm__ __volatile__("movec %0, %%acr1"::"r"(CONFIG_SYS_CACHE_ACR1)); -#elif defined(CONFIG_CF_V4e) - __asm__ __volatile__("movec %0, %%acr4"::"r"(CONFIG_SYS_CACHE_ACR4)); - __asm__ __volatile__("movec %0, %%acr5"::"r"(CONFIG_SYS_CACHE_ACR5)); - -#endif - - __asm__ __volatile__("movec %0, %%cacr"::"r"(CONFIG_SYS_CACHE_DCACR)); -} - -void dcache_disable(void) -{ - u32 temp = 0; - - *cf_dcache_status = 0; - dcache_invalid(); - - __asm__ __volatile__("movec %0, %%cacr"::"r"(temp)); - -#ifdef CONFIG_CF_V4 - __asm__ __volatile__("movec %0, %%acr0"::"r"(temp)); - __asm__ __volatile__("movec %0, %%acr1"::"r"(temp)); -#elif defined(CONFIG_CF_V4e) - __asm__ __volatile__("movec %0, %%acr4"::"r"(temp)); - __asm__ __volatile__("movec %0, %%acr5"::"r"(temp)); - -#endif -} - -void dcache_invalid(void) -{ -#ifdef CONFIG_CF_V4 - u32 temp; - - temp = CONFIG_SYS_DCACHE_INV; - if (*cf_dcache_status) - temp |= CONFIG_SYS_CACHE_DCACR; - if (*cf_icache_status) - temp |= CONFIG_SYS_CACHE_ICACR; - - __asm__ __volatile__("movec %0, %%cacr"::"r"(temp)); -#endif -} diff --git a/lib_m68k/config.mk b/lib_m68k/config.mk deleted file mode 100644 index 749c38968ab..00000000000 --- a/lib_m68k/config.mk +++ /dev/null @@ -1,30 +0,0 @@ -# -# (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 -# - -CROSS_COMPILE ?= m68k-elf- - -clibdir = $(shell dirname `$(CC) $(CFLAGS) -print-file-name=libc.a`) -STANDALONE_LOAD_ADDR = 0x20000 -L $(clibdir) - -PLATFORM_CPPFLAGS += -DCONFIG_M68K -D__M68K__ -PLATFORM_LDFLAGS += -n diff --git a/lib_m68k/interrupts.c b/lib_m68k/interrupts.c deleted file mode 100644 index 133494f6dcc..00000000000 --- a/lib_m68k/interrupts.c +++ /dev/null @@ -1,115 +0,0 @@ -/* - * (C) Copyright 2000-2004 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2007 Freescale Semiconductor Inc - * TsiChung Liew (Tsi-Chung.Liew@freescale.com) - * - * 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 <watchdog.h> -#include <asm/processor.h> -#include <asm/immap.h> - -#define NR_IRQS (CONFIG_SYS_NUM_IRQS) - -/* - * Interrupt vector functions. - */ -struct interrupt_action { - interrupt_handler_t *handler; - void *arg; -}; - -static struct interrupt_action irq_vecs[NR_IRQS]; - -static __inline__ unsigned short get_sr (void) -{ - unsigned short sr; - - asm volatile ("move.w %%sr,%0":"=r" (sr):); - - return sr; -} - -static __inline__ void set_sr (unsigned short sr) -{ - asm volatile ("move.w %0,%%sr"::"r" (sr)); -} - -/************************************************************************/ -/* - * Install and free an interrupt handler - */ -void irq_install_handler (int vec, interrupt_handler_t * handler, void *arg) -{ - if ((vec < 0) || (vec >= NR_IRQS)) { - printf ("irq_install_handler: wrong interrupt vector %d\n", - vec); - return; - } - - irq_vecs[vec].handler = handler; - irq_vecs[vec].arg = arg; -} - -void irq_free_handler (int vec) -{ - if ((vec < 0) || (vec >= NR_IRQS)) { - return; - } - - irq_vecs[vec].handler = NULL; - irq_vecs[vec].arg = NULL; -} - -void enable_interrupts (void) -{ - unsigned short sr; - - sr = get_sr (); - set_sr (sr & ~0x0700); -} - -int disable_interrupts (void) -{ - unsigned short sr; - - sr = get_sr (); - set_sr (sr | 0x0700); - - return ((sr & 0x0700) == 0); /* return TRUE, if interrupts were enabled before */ -} - -void int_handler (struct pt_regs *fp) -{ - int vec; - - vec = (fp->vector >> 2) & 0xff; - if (vec > 0x40) - vec -= 0x40; - - if (irq_vecs[vec].handler != NULL) { - irq_vecs[vec].handler (irq_vecs[vec].arg); - } else { - printf ("\nBogus External Interrupt Vector %d\n", vec); - } -} diff --git a/lib_m68k/time.c b/lib_m68k/time.c deleted file mode 100644 index 7eaea5e7f77..00000000000 --- a/lib_m68k/time.c +++ /dev/null @@ -1,227 +0,0 @@ -/* - * (C) Copyright 2003 Josef Baumgartner <josef.baumgartner@telex.de> - * - * (C) Copyright 2000 - * 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/timer.h> -#include <asm/immap.h> -#include <watchdog.h> - -DECLARE_GLOBAL_DATA_PTR; - -static volatile ulong timestamp = 0; - -#ifndef CONFIG_SYS_WATCHDOG_FREQ -#define CONFIG_SYS_WATCHDOG_FREQ (CONFIG_SYS_HZ / 2) -#endif - -#if defined(CONFIG_MCFTMR) -#ifndef CONFIG_SYS_UDELAY_BASE -# error "uDelay base not defined!" -#endif - -#if !defined(CONFIG_SYS_TMR_BASE) || !defined(CONFIG_SYS_INTR_BASE) || !defined(CONFIG_SYS_TMRINTR_NO) || !defined(CONFIG_SYS_TMRINTR_MASK) -# error "TMR_BASE, INTR_BASE, TMRINTR_NO or TMRINTR_MASk not defined!" -#endif -extern void dtimer_intr_setup(void); - -void __udelay(unsigned long usec) -{ - volatile dtmr_t *timerp = (dtmr_t *) (CONFIG_SYS_UDELAY_BASE); - uint start, now, tmp; - - while (usec > 0) { - if (usec > 65000) - tmp = 65000; - else - tmp = usec; - usec = usec - tmp; - - /* Set up TIMER 3 as timebase clock */ - timerp->tmr = DTIM_DTMR_RST_RST; - timerp->tcn = 0; - /* set period to 1 us */ - timerp->tmr = - CONFIG_SYS_TIMER_PRESCALER | DTIM_DTMR_CLK_DIV1 | DTIM_DTMR_FRR | - DTIM_DTMR_RST_EN; - - start = now = timerp->tcn; - while (now < start + tmp) - now = timerp->tcn; - } -} - -void dtimer_interrupt(void *not_used) -{ - volatile dtmr_t *timerp = (dtmr_t *) (CONFIG_SYS_TMR_BASE); - - /* check for timer interrupt asserted */ - if ((CONFIG_SYS_TMRPND_REG & CONFIG_SYS_TMRINTR_MASK) == CONFIG_SYS_TMRINTR_PEND) { - timerp->ter = (DTIM_DTER_CAP | DTIM_DTER_REF); - timestamp++; - - #if defined(CONFIG_WATCHDOG) || defined (CONFIG_HW_WATCHDOG) - if ((timestamp % (CONFIG_SYS_WATCHDOG_FREQ)) == 0) { - WATCHDOG_RESET (); - } - #endif /* CONFIG_WATCHDOG || CONFIG_HW_WATCHDOG */ - return; - } -} - -void timer_init(void) -{ - volatile dtmr_t *timerp = (dtmr_t *) (CONFIG_SYS_TMR_BASE); - - timestamp = 0; - - timerp->tcn = 0; - timerp->trr = 0; - - /* Set up TIMER 4 as clock */ - timerp->tmr = DTIM_DTMR_RST_RST; - - /* initialize and enable timer interrupt */ - irq_install_handler(CONFIG_SYS_TMRINTR_NO, dtimer_interrupt, 0); - - timerp->tcn = 0; - timerp->trr = 1000; /* Interrupt every ms */ - - dtimer_intr_setup(); - - /* set a period of 1us, set timer mode to restart and enable timer and interrupt */ - timerp->tmr = CONFIG_SYS_TIMER_PRESCALER | DTIM_DTMR_CLK_DIV1 | - DTIM_DTMR_FRR | DTIM_DTMR_ORRI | DTIM_DTMR_RST_EN; -} - -void reset_timer(void) -{ - timestamp = 0; -} - -ulong get_timer(ulong base) -{ - return (timestamp - base); -} - -void set_timer(ulong t) -{ - timestamp = t; -} -#endif /* CONFIG_MCFTMR */ - -#if defined(CONFIG_MCFPIT) -#if !defined(CONFIG_SYS_PIT_BASE) -# error "CONFIG_SYS_PIT_BASE not defined!" -#endif - -static unsigned short lastinc; - -void __udelay(unsigned long usec) -{ - volatile pit_t *timerp = (pit_t *) (CONFIG_SYS_UDELAY_BASE); - uint tmp; - - while (usec > 0) { - if (usec > 65000) - tmp = 65000; - else - tmp = usec; - usec = usec - tmp; - - /* Set up TIMER 3 as timebase clock */ - timerp->pcsr = PIT_PCSR_OVW; - timerp->pmr = 0; - /* set period to 1 us */ - timerp->pcsr |= PIT_PCSR_PRE(CONFIG_SYS_PIT_PRESCALE) | PIT_PCSR_EN; - - timerp->pmr = tmp; - while (timerp->pcntr > 0) ; - } -} - -void timer_init(void) -{ - volatile pit_t *timerp = (pit_t *) (CONFIG_SYS_PIT_BASE); - timestamp = 0; - - /* Set up TIMER 4 as poll clock */ - timerp->pcsr = PIT_PCSR_OVW; - timerp->pmr = lastinc = 0; - timerp->pcsr |= PIT_PCSR_PRE(CONFIG_SYS_PIT_PRESCALE) | PIT_PCSR_EN; -} - -void set_timer(ulong t) -{ - volatile pit_t *timerp = (pit_t *) (CONFIG_SYS_PIT_BASE); - - timestamp = 0; - timerp->pmr = lastinc = 0; -} - -ulong get_timer(ulong base) -{ - unsigned short now, diff; - volatile pit_t *timerp = (pit_t *) (CONFIG_SYS_PIT_BASE); - - now = timerp->pcntr; - diff = -(now - lastinc); - - timestamp += diff; - lastinc = now; - return timestamp - base; -} - -void wait_ticks(unsigned long ticks) -{ - set_timer(0); - while (get_timer(0) < ticks) ; -} -#endif /* CONFIG_MCFPIT */ - -/* - * This function is derived from PowerPC code (read timebase as long long). - * On M68K it just returns the timer value. - */ -unsigned long long get_ticks(void) -{ - return get_timer(0); -} - -unsigned long usec2ticks(unsigned long usec) -{ - return get_timer(usec); -} - -/* - * This function is derived from PowerPC code (timebase clock frequency). - * On M68K it returns the number of timer ticks per second. - */ -ulong get_tbclk(void) -{ - ulong tbclk; - tbclk = CONFIG_SYS_HZ; - return tbclk; -} diff --git a/lib_m68k/traps.c b/lib_m68k/traps.c deleted file mode 100644 index 1ca94dc55f7..00000000000 --- a/lib_m68k/traps.c +++ /dev/null @@ -1,76 +0,0 @@ -/* - * (C) Copyright 2003 - * Josef Baumgartner <josef.baumgartner@telex.de> - * - * (C) Copyright 2000 - * 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 <watchdog.h> -#include <command.h> -#include <asm/processor.h> - - -extern void _exc_handler(void); -extern void _int_handler(void); - -static void show_frame(struct pt_regs *fp) -{ - printf ("Vector Number: %d Format: %02x Fault Status: %01x\n\n", (fp->vector & 0x3fc) >> 2, - fp->format, (fp->vector & 0x3) | ((fp->vector & 0xc00) >> 8)); - printf ("PC: %08lx SR: %08lx SP: %08lx\n", fp->pc, (long) fp->sr, (long) fp); - printf ("D0: %08lx D1: %08lx D2: %08lx D3: %08lx\n", - fp->d0, fp->d1, fp->d2, fp->d3); - printf ("D4: %08lx D5: %08lx D6: %08lx D7: %08lx\n", - fp->d4, fp->d5, fp->d6, fp->d7); - printf ("A0: %08lx A1: %08lx A2: %08lx A3: %08lx\n", - fp->a0, fp->a1, fp->a2, fp->a3); - printf ("A4: %08lx A5: %08lx A6: %08lx\n", - fp->a4, fp->a5, fp->a6); -} - -void exc_handler(struct pt_regs *fp) { - printf("\n\n*** Unexpected exception ***\n"); - show_frame (fp); - printf("\n*** Please Reset Board! ***\n"); - for(;;); -} - -void trap_init(ulong value) { - unsigned long *vec = (ulong *)value; - int i; - - for(i = 2; i < 25; i++) { - vec[i] = (unsigned long)_exc_handler; - } - for(i = 25; i < 32; i++) { - vec[i] = (unsigned long)_int_handler; - } - for(i = 32; i < 64; i++) { - vec[i] = (unsigned long)_exc_handler; - } - for(i = 64; i < 256; i++) { - vec[i] = (unsigned long)_int_handler; - } - - setvbr(value); /* set vector base register to new table */ -} |