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Diffstat (limited to '')
| -rw-r--r-- | arch/h8300/kernel/setup.c | 242 |
1 files changed, 0 insertions, 242 deletions
diff --git a/arch/h8300/kernel/setup.c b/arch/h8300/kernel/setup.c deleted file mode 100644 index d0b1607f2711..000000000000 --- a/arch/h8300/kernel/setup.c +++ /dev/null @@ -1,242 +0,0 @@ -/* - * linux/arch/h8300/kernel/setup.c - * - * Copyleft ()) 2000 James D. Schettine {james@telos-systems.com} - * Copyright (C) 1999,2000 Greg Ungerer (gerg@snapgear.com) - * Copyright (C) 1998,1999 D. Jeff Dionne <jeff@lineo.ca> - * Copyright (C) 1998 Kenneth Albanowski <kjahds@kjahds.com> - * Copyright (C) 1995 Hamish Macdonald - * Copyright (C) 2000 Lineo Inc. (www.lineo.com) - * Copyright (C) 2001 Lineo, Inc. <www.lineo.com> - * - * H8/300 porting Yoshinori Sato <ysato@users.sourceforge.jp> - */ - -/* - * This file handles the architecture-dependent parts of system setup - */ - -#include <linux/kernel.h> -#include <linux/sched.h> -#include <linux/delay.h> -#include <linux/interrupt.h> -#include <linux/mm.h> -#include <linux/fs.h> -#include <linux/fb.h> -#include <linux/console.h> -#include <linux/genhd.h> -#include <linux/errno.h> -#include <linux/string.h> -#include <linux/major.h> -#include <linux/bootmem.h> -#include <linux/seq_file.h> -#include <linux/init.h> - -#include <asm/setup.h> -#include <asm/irq.h> -#include <asm/pgtable.h> -#include <asm/sections.h> - -#if defined(__H8300H__) -#define CPU "H8/300H" -#include <asm/regs306x.h> -#endif - -#if defined(__H8300S__) -#define CPU "H8S" -#include <asm/regs267x.h> -#endif - -#define STUBSIZE 0xc000 - -unsigned long rom_length; -unsigned long memory_start; -unsigned long memory_end; - -char __initdata command_line[COMMAND_LINE_SIZE]; - -extern int _ramstart, _ramend; -extern char _target_name[]; -extern void h8300_gpio_init(void); - -#if (defined(CONFIG_H8300H_SIM) || defined(CONFIG_H8S_SIM)) \ - && defined(CONFIG_GDB_MAGICPRINT) -/* printk with gdb service */ -static void gdb_console_output(struct console *c, const char *msg, unsigned len) -{ - for (; len > 0; len--) { - asm("mov.w %0,r2\n\t" - "jsr @0xc4"::"r"(*msg++):"er2"); - } -} - -/* - * Setup initial baud/bits/parity. We do two things here: - * - construct a cflag setting for the first rs_open() - * - initialize the serial port - * Return non-zero if we didn't find a serial port. - */ -static int __init gdb_console_setup(struct console *co, char *options) -{ - return 0; -} - -static const struct console gdb_console = { - .name = "gdb_con", - .write = gdb_console_output, - .device = NULL, - .setup = gdb_console_setup, - .flags = CON_PRINTBUFFER, - .index = -1, -}; -#endif - -void __init setup_arch(char **cmdline_p) -{ - int bootmap_size; - - memory_start = (unsigned long) &_ramstart; - - /* allow for ROMFS on the end of the kernel */ - if (memcmp((void *)memory_start, "-rom1fs-", 8) == 0) { -#if defined(CONFIG_BLK_DEV_INITRD) - initrd_start = memory_start; - initrd_end = memory_start += be32_to_cpu(((unsigned long *) (memory_start))[2]); -#else - memory_start += be32_to_cpu(((unsigned long *) memory_start)[2]); -#endif - } - memory_start = PAGE_ALIGN(memory_start); -#if !defined(CONFIG_BLKDEV_RESERVE) - memory_end = (unsigned long) &_ramend; /* by now the stack is part of the init task */ -#if defined(CONFIG_GDB_DEBUG) - memory_end -= STUBSIZE; -#endif -#else - if ((memory_end < CONFIG_BLKDEV_RESERVE_ADDRESS) && - (memory_end > CONFIG_BLKDEV_RESERVE_ADDRESS)) - /* overlap userarea */ - memory_end = CONFIG_BLKDEV_RESERVE_ADDRESS; -#endif - - init_mm.start_code = (unsigned long) _stext; - init_mm.end_code = (unsigned long) _etext; - init_mm.end_data = (unsigned long) _edata; - init_mm.brk = (unsigned long) 0; - -#if (defined(CONFIG_H8300H_SIM) || defined(CONFIG_H8S_SIM)) && defined(CONFIG_GDB_MAGICPRINT) - register_console((struct console *)&gdb_console); -#endif - - printk(KERN_INFO "\r\n\nuClinux " CPU "\n"); - printk(KERN_INFO "Target Hardware: %s\n",_target_name); - printk(KERN_INFO "Flat model support (C) 1998,1999 Kenneth Albanowski, D. Jeff Dionne\n"); - printk(KERN_INFO "H8/300 series support by Yoshinori Sato <ysato@users.sourceforge.jp>\n"); - -#ifdef DEBUG - printk(KERN_DEBUG "KERNEL -> TEXT=0x%p-0x%p DATA=0x%p-0x%p " - "BSS=0x%p-0x%p\n", _stext, _etext, _sdata, _edata, __bss_start, - __bss_stop); - printk(KERN_DEBUG "KERNEL -> ROMFS=0x%p-0x%06lx MEM=0x%06lx-0x%06lx " - "STACK=0x%06lx-0x%p\n", __bss_stop, memory_start, memory_start, - memory_end, memory_end, &_ramend); -#endif - -#ifdef CONFIG_DEFAULT_CMDLINE - /* set from default command line */ - if (*command_line == '\0') - strcpy(command_line,CONFIG_KERNEL_COMMAND); -#endif - /* Keep a copy of command line */ - *cmdline_p = &command_line[0]; - memcpy(boot_command_line, command_line, COMMAND_LINE_SIZE); - boot_command_line[COMMAND_LINE_SIZE-1] = 0; - -#ifdef DEBUG - if (strlen(*cmdline_p)) - printk(KERN_DEBUG "Command line: '%s'\n", *cmdline_p); -#endif - - /* - * give all the memory to the bootmap allocator, tell it to put the - * boot mem_map at the start of memory - */ - bootmap_size = init_bootmem_node( - NODE_DATA(0), - memory_start >> PAGE_SHIFT, /* map goes here */ - PAGE_OFFSET >> PAGE_SHIFT, /* 0 on coldfire */ - memory_end >> PAGE_SHIFT); - /* - * free the usable memory, we have to make sure we do not free - * the bootmem bitmap so we then reserve it after freeing it :-) - */ - free_bootmem(memory_start, memory_end - memory_start); - reserve_bootmem(memory_start, bootmap_size, BOOTMEM_DEFAULT); - /* - * get kmalloc into gear - */ - paging_init(); - h8300_gpio_init(); -#if defined(CONFIG_H8300_AKI3068NET) && defined(CONFIG_IDE) - { -#define AREABIT(addr) (1 << (((addr) >> 21) & 7)) - /* setup BSC */ - volatile unsigned char *abwcr = (volatile unsigned char *)ABWCR; - volatile unsigned char *cscr = (volatile unsigned char *)CSCR; - *abwcr &= ~(AREABIT(CONFIG_H8300_IDE_BASE) | AREABIT(CONFIG_H8300_IDE_ALT)); - *cscr |= (AREABIT(CONFIG_H8300_IDE_BASE) | AREABIT(CONFIG_H8300_IDE_ALT)) | 0x0f; - } -#endif -#ifdef DEBUG - printk(KERN_DEBUG "Done setup_arch\n"); -#endif -} - -/* - * Get CPU information for use by the procfs. - */ - -static int show_cpuinfo(struct seq_file *m, void *v) -{ - char *cpu; - int mode; - u_long clockfreq; - - cpu = CPU; - mode = *(volatile unsigned char *)MDCR & 0x07; - - clockfreq = CONFIG_CPU_CLOCK; - - seq_printf(m, "CPU:\t\t%s (mode:%d)\n" - "Clock:\t\t%lu.%1luMHz\n" - "BogoMips:\t%lu.%02lu\n" - "Calibration:\t%lu loops\n", - cpu,mode, - clockfreq/1000,clockfreq%1000, - (loops_per_jiffy*HZ)/500000,((loops_per_jiffy*HZ)/5000)%100, - (loops_per_jiffy*HZ)); - - return 0; -} - -static void *c_start(struct seq_file *m, loff_t *pos) -{ - return *pos < NR_CPUS ? ((void *) 0x12345678) : NULL; -} - -static void *c_next(struct seq_file *m, void *v, loff_t *pos) -{ - ++*pos; - return c_start(m, pos); -} - -static void c_stop(struct seq_file *m, void *v) -{ -} - -const struct seq_operations cpuinfo_op = { - .start = c_start, - .next = c_next, - .stop = c_stop, - .show = show_cpuinfo, -}; |