summaryrefslogtreecommitdiffstats
path: root/arch/h8300/kernel/setup.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/h8300/kernel/setup.c')
-rw-r--r--arch/h8300/kernel/setup.c242
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,
-};