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-rw-r--r--arch/ppc/kernel/setup.c572
1 files changed, 0 insertions, 572 deletions
diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c
deleted file mode 100644
index 51e8094f52d6..000000000000
--- a/arch/ppc/kernel/setup.c
+++ /dev/null
@@ -1,572 +0,0 @@
-/*
- * Common prep boot and setup code.
- */
-
-#include <linux/module.h>
-#include <linux/string.h>
-#include <linux/sched.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/reboot.h>
-#include <linux/delay.h>
-#include <linux/initrd.h>
-#include <linux/screen_info.h>
-#include <linux/bootmem.h>
-#include <linux/seq_file.h>
-#include <linux/root_dev.h>
-#include <linux/cpu.h>
-#include <linux/console.h>
-
-#include <asm/residual.h>
-#include <asm/io.h>
-#include <asm/prom.h>
-#include <asm/processor.h>
-#include <asm/pgtable.h>
-#include <asm/bootinfo.h>
-#include <asm/setup.h>
-#include <asm/smp.h>
-#include <asm/elf.h>
-#include <asm/cputable.h>
-#include <asm/bootx.h>
-#include <asm/btext.h>
-#include <asm/machdep.h>
-#include <asm/uaccess.h>
-#include <asm/system.h>
-#include <asm/sections.h>
-#include <asm/nvram.h>
-#include <asm/xmon.h>
-#include <asm/ocp.h>
-#include <asm/irq.h>
-
-#define USES_PPC_SYS (defined(CONFIG_MPC10X_BRIDGE) || defined(CONFIG_8260) || \
-		      defined(CONFIG_PPC_MPC52xx))
-
-#if USES_PPC_SYS
-#include <asm/ppc_sys.h>
-#endif
-
-#if defined CONFIG_KGDB
-#include <asm/kgdb.h>
-#endif
-
-extern void platform_init(unsigned long r3, unsigned long r4,
-		unsigned long r5, unsigned long r6, unsigned long r7);
-extern void reloc_got2(unsigned long offset);
-
-extern void ppc6xx_idle(void);
-extern void power4_idle(void);
-
-extern boot_infos_t *boot_infos;
-
-/* Used with the BI_MEMSIZE bootinfo parameter to store the memory
-   size value reported by the boot loader. */
-unsigned long boot_mem_size;
-
-unsigned long ISA_DMA_THRESHOLD;
-unsigned int DMA_MODE_READ;
-unsigned int DMA_MODE_WRITE;
-
-#ifdef CONFIG_PPC_PREP
-extern void prep_init(unsigned long r3, unsigned long r4,
-		unsigned long r5, unsigned long r6, unsigned long r7);
-
-dev_t boot_dev;
-#endif /* CONFIG_PPC_PREP */
-
-int have_of;
-EXPORT_SYMBOL(have_of);
-
-#ifdef __DO_IRQ_CANON
-int ppc_do_canonicalize_irqs;
-EXPORT_SYMBOL(ppc_do_canonicalize_irqs);
-#endif
-
-#ifdef CONFIG_VGA_CONSOLE
-unsigned long vgacon_remap_base;
-#endif
-
-struct machdep_calls ppc_md;
-
-/*
- * These are used in binfmt_elf.c to put aux entries on the stack
- * for each elf executable being started.
- */
-int dcache_bsize;
-int icache_bsize;
-int ucache_bsize;
-
-#if defined(CONFIG_VGA_CONSOLE) || defined(CONFIG_FB_VGA16) || \
-    defined(CONFIG_FB_VGA16_MODULE) || defined(CONFIG_FB_VESA)
-struct screen_info screen_info = {
-	0, 25,			/* orig-x, orig-y */
-	0,			/* unused */
-	0,			/* orig-video-page */
-	0,			/* orig-video-mode */
-	80,			/* orig-video-cols */
-	0,0,0,			/* ega_ax, ega_bx, ega_cx */
-	25,			/* orig-video-lines */
-	1,			/* orig-video-isVGA */
-	16			/* orig-video-points */
-};
-#endif /* CONFIG_VGA_CONSOLE || CONFIG_FB_VGA16 || CONFIG_FB_VESA */
-
-void machine_restart(char *cmd)
-{
-#ifdef CONFIG_NVRAM
-	nvram_sync();
-#endif
-	ppc_md.restart(cmd);
-}
-
-static void ppc_generic_power_off(void)
-{
-	ppc_md.power_off();
-}
-
-void machine_halt(void)
-{
-#ifdef CONFIG_NVRAM
-	nvram_sync();
-#endif
-	ppc_md.halt();
-}
-
-void (*pm_power_off)(void) = ppc_generic_power_off;
-
-void machine_power_off(void)
-{
-#ifdef CONFIG_NVRAM
-	nvram_sync();
-#endif
-	if (pm_power_off)
-		pm_power_off();
-	ppc_generic_power_off();
-}
-
-#ifdef CONFIG_TAU
-extern u32 cpu_temp(unsigned long cpu);
-extern u32 cpu_temp_both(unsigned long cpu);
-#endif /* CONFIG_TAU */
-
-int show_cpuinfo(struct seq_file *m, void *v)
-{
-	int i = (int) v - 1;
-	int err = 0;
-	unsigned int pvr;
-	unsigned short maj, min;
-	unsigned long lpj;
-
-	if (i >= NR_CPUS) {
-		/* Show summary information */
-#ifdef CONFIG_SMP
-		unsigned long bogosum = 0;
-		for_each_online_cpu(i)
-			bogosum += cpu_data[i].loops_per_jiffy;
-		seq_printf(m, "total bogomips\t: %lu.%02lu\n",
-			   bogosum/(500000/HZ), bogosum/(5000/HZ) % 100);
-#endif /* CONFIG_SMP */
-
-		if (ppc_md.show_cpuinfo != NULL)
-			err = ppc_md.show_cpuinfo(m);
-		return err;
-	}
-
-#ifdef CONFIG_SMP
-	if (!cpu_online(i))
-		return 0;
-	pvr = cpu_data[i].pvr;
-	lpj = cpu_data[i].loops_per_jiffy;
-#else
-	pvr = mfspr(SPRN_PVR);
-	lpj = loops_per_jiffy;
-#endif
-
-	seq_printf(m, "processor\t: %d\n", i);
-	seq_printf(m, "cpu\t\t: ");
-
-	if (cur_cpu_spec->pvr_mask)
-		seq_printf(m, "%s", cur_cpu_spec->cpu_name);
-	else
-		seq_printf(m, "unknown (%08x)", pvr);
-#ifdef CONFIG_ALTIVEC
-	if (cur_cpu_spec->cpu_features & CPU_FTR_ALTIVEC)
-		seq_printf(m, ", altivec supported");
-#endif
-	seq_printf(m, "\n");
-
-#ifdef CONFIG_TAU
-	if (cur_cpu_spec->cpu_features & CPU_FTR_TAU) {
-#ifdef CONFIG_TAU_AVERAGE
-		/* more straightforward, but potentially misleading */
-		seq_printf(m,  "temperature \t: %u C (uncalibrated)\n",
-			   cpu_temp(i));
-#else
-		/* show the actual temp sensor range */
-		u32 temp;
-		temp = cpu_temp_both(i);
-		seq_printf(m, "temperature \t: %u-%u C (uncalibrated)\n",
-			   temp & 0xff, temp >> 16);
-#endif
-	}
-#endif /* CONFIG_TAU */
-
-	if (ppc_md.show_percpuinfo != NULL) {
-		err = ppc_md.show_percpuinfo(m, i);
-		if (err)
-			return err;
-	}
-
-	/* If we are a Freescale core do a simple check so
-	 * we dont have to keep adding cases in the future */
-	if ((PVR_VER(pvr) & 0x8000) == 0x8000) {
-		maj = PVR_MAJ(pvr);
-		min = PVR_MIN(pvr);
-	} else {
-		switch (PVR_VER(pvr)) {
-			case 0x0020:	/* 403 family */
-				maj = PVR_MAJ(pvr) + 1;
-				min = PVR_MIN(pvr);
-				break;
-			case 0x1008:	/* 740P/750P ?? */
-				maj = ((pvr >> 8) & 0xFF) - 1;
-				min = pvr & 0xFF;
-				break;
-			default:
-				maj = (pvr >> 8) & 0xFF;
-				min = pvr & 0xFF;
-				break;
-		}
-	}
-
-	seq_printf(m, "revision\t: %hd.%hd (pvr %04x %04x)\n",
-		   maj, min, PVR_VER(pvr), PVR_REV(pvr));
-
-	seq_printf(m, "bogomips\t: %lu.%02lu\n",
-		   lpj / (500000/HZ), (lpj / (5000/HZ)) % 100);
-
-#if USES_PPC_SYS
-	if (cur_ppc_sys_spec->ppc_sys_name)
-		seq_printf(m, "chipset\t\t: %s\n",
-			cur_ppc_sys_spec->ppc_sys_name);
-#endif
-
-#ifdef CONFIG_SMP
-	seq_printf(m, "\n");
-#endif
-
-	return 0;
-}
-
-static void *c_start(struct seq_file *m, loff_t *pos)
-{
-	int i = *pos;
-
-	return i <= NR_CPUS? (void *) (i + 1): 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,
-};
-
-/*
- * We're called here very early in the boot.  We determine the machine
- * type and call the appropriate low-level setup functions.
- *  -- Cort <cort@fsmlabs.com>
- *
- * Note that the kernel may be running at an address which is different
- * from the address that it was linked at, so we must use RELOC/PTRRELOC
- * to access static data (including strings).  -- paulus
- */
-__init
-unsigned long
-early_init(int r3, int r4, int r5)
-{
- 	unsigned long phys;
-	unsigned long offset = reloc_offset();
-	struct cpu_spec *spec;
-
- 	/* Default */
- 	phys = offset + KERNELBASE;
-
-	/* First zero the BSS -- use memset, some arches don't have
-	 * caches on yet */
-	memset_io(PTRRELOC(&__bss_start), 0, _end - __bss_start);
-
-	/*
-	 * Identify the CPU type and fix up code sections
-	 * that depend on which cpu we have.
-	 */
-#if defined(CONFIG_440EP) && defined(CONFIG_PPC_FPU)
-	/* We pass the virtual PVR here for 440EP as 440EP and 440GR have
-	 * identical PVRs and there is no reliable way to check for the FPU
-	 */
-	spec = identify_cpu(offset, (mfspr(SPRN_PVR) | 0x8));
-#else
-	spec = identify_cpu(offset, mfspr(SPRN_PVR));
-#endif
-	do_feature_fixups(spec->cpu_features,
-			  PTRRELOC(&__start___ftr_fixup),
-			  PTRRELOC(&__stop___ftr_fixup));
-
-	return phys;
-}
-
-#ifdef CONFIG_PPC_PREP
-/*
- * The PPC_PREP version of platform_init...
- */
-void __init
-platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
-	      unsigned long r6, unsigned long r7)
-{
-#ifdef CONFIG_BOOTX_TEXT
-	if (boot_text_mapped) {
-		btext_clearscreen();
-		btext_welcome();
-	}
-#endif
-
-	parse_bootinfo(find_bootinfo());
-
-	prep_init(r3, r4, r5, r6, r7);
-}
-#endif /* CONFIG_PPC_PREP */
-
-struct bi_record *find_bootinfo(void)
-{
-	struct bi_record *rec;
-
-	rec = (struct bi_record *)_ALIGN((ulong)__bss_start+(1<<20)-1,(1<<20));
-	if ( rec->tag != BI_FIRST ) {
-		/*
-		 * This 0x10000 offset is a terrible hack but it will go away when
-		 * we have the bootloader handle all the relocation and
-		 * prom calls -- Cort
-		 */
-		rec = (struct bi_record *)_ALIGN((ulong)__bss_start+0x10000+(1<<20)-1,(1<<20));
-		if ( rec->tag != BI_FIRST )
-			return NULL;
-	}
-	return rec;
-}
-
-void parse_bootinfo(struct bi_record *rec)
-{
-	if (rec == NULL || rec->tag != BI_FIRST)
-		return;
-	while (rec->tag != BI_LAST) {
-		ulong *data = rec->data;
-		switch (rec->tag) {
-		case BI_CMD_LINE:
-			strlcpy(cmd_line, (void *)data, sizeof(cmd_line));
-			break;
-#ifdef CONFIG_BLK_DEV_INITRD
-		case BI_INITRD:
-			initrd_start = data[0] + KERNELBASE;
-			initrd_end = data[0] + data[1] + KERNELBASE;
-			break;
-#endif /* CONFIG_BLK_DEV_INITRD */
-		case BI_MEMSIZE:
-			boot_mem_size = data[0];
-			break;
-		}
-		rec = (struct bi_record *)((ulong)rec + rec->size);
-	}
-}
-
-/*
- * Find out what kind of machine we're on and save any data we need
- * from the early boot process (devtree is copied on pmac by prom_init()).
- * This is called very early on the boot process, after a minimal
- * MMU environment has been set up but before MMU_init is called.
- */
-void __init
-machine_init(unsigned long r3, unsigned long r4, unsigned long r5,
-	     unsigned long r6, unsigned long r7)
-{
-#ifdef CONFIG_CMDLINE
-	strlcpy(cmd_line, CONFIG_CMDLINE, sizeof(cmd_line));
-#endif /* CONFIG_CMDLINE */
-
-#ifdef CONFIG_6xx
-	ppc_md.power_save = ppc6xx_idle;
-#endif
-
-	platform_init(r3, r4, r5, r6, r7);
-
-	if (ppc_md.progress)
-		ppc_md.progress("id mach(): done", 0x200);
-}
-#ifdef CONFIG_BOOKE_WDT
-/* Checks wdt=x and wdt_period=xx command-line option */
-int __init early_parse_wdt(char *p)
-{
-	if (p && strncmp(p, "0", 1) != 0)
-	       booke_wdt_enabled = 1;
-
-	return 0;
-}
-early_param("wdt", early_parse_wdt);
-
-int __init early_parse_wdt_period (char *p)
-{
-	if (p)
-		booke_wdt_period = simple_strtoul(p, NULL, 0);
-
-	return 0;
-}
-early_param("wdt_period", early_parse_wdt_period);
-#endif	/* CONFIG_BOOKE_WDT */
-
-/* Checks "l2cr=xxxx" command-line option */
-int __init ppc_setup_l2cr(char *str)
-{
-	if (cpu_has_feature(CPU_FTR_L2CR)) {
-		unsigned long val = simple_strtoul(str, NULL, 0);
-		printk(KERN_INFO "l2cr set to %lx\n", val);
-		_set_L2CR(0);		/* force invalidate by disable cache */
-		_set_L2CR(val);		/* and enable it */
-	}
-	return 1;
-}
-__setup("l2cr=", ppc_setup_l2cr);
-
-#ifdef CONFIG_GENERIC_NVRAM
-
-/* Generic nvram hooks used by drivers/char/gen_nvram.c */
-unsigned char nvram_read_byte(int addr)
-{
-	if (ppc_md.nvram_read_val)
-		return ppc_md.nvram_read_val(addr);
-	return 0xff;
-}
-EXPORT_SYMBOL(nvram_read_byte);
-
-void nvram_write_byte(unsigned char val, int addr)
-{
-	if (ppc_md.nvram_write_val)
-		ppc_md.nvram_write_val(addr, val);
-}
-EXPORT_SYMBOL(nvram_write_byte);
-
-void nvram_sync(void)
-{
-	if (ppc_md.nvram_sync)
-		ppc_md.nvram_sync();
-}
-EXPORT_SYMBOL(nvram_sync);
-
-#endif /* CONFIG_NVRAM */
-
-static struct cpu cpu_devices[NR_CPUS];
-
-int __init ppc_init(void)
-{
-	int i;
-
-	/* clear the progress line */
-	if ( ppc_md.progress ) ppc_md.progress("             ", 0xffff);
-
-	/* register CPU devices */
-	for_each_possible_cpu(i)
-		register_cpu(&cpu_devices[i], i);
-
-	/* call platform init */
-	if (ppc_md.init != NULL) {
-		ppc_md.init();
-	}
-	return 0;
-}
-
-arch_initcall(ppc_init);
-
-/* Warning, IO base is not yet inited */
-void __init setup_arch(char **cmdline_p)
-{
-	extern char *klimit;
-	extern void do_init_bootmem(void);
-
-	/* so udelay does something sensible, assume <= 1000 bogomips */
-	loops_per_jiffy = 500000000 / HZ;
-
-	if (ppc_md.init_early)
-		ppc_md.init_early();
-
-#ifdef CONFIG_XMON
-	xmon_init(1);
-	if (strstr(cmd_line, "xmon"))
-		xmon(NULL);
-#endif /* CONFIG_XMON */
-	if ( ppc_md.progress ) ppc_md.progress("setup_arch: enter", 0x3eab);
-
-#if defined(CONFIG_KGDB)
-	if (ppc_md.kgdb_map_scc)
-		ppc_md.kgdb_map_scc();
-	set_debug_traps();
-	if (strstr(cmd_line, "gdb")) {
-		if (ppc_md.progress)
-			ppc_md.progress("setup_arch: kgdb breakpoint", 0x4000);
-		printk("kgdb breakpoint activated\n");
-		breakpoint();
-	}
-#endif
-
-	/*
-	 * Set cache line size based on type of cpu as a default.
-	 * Systems with OF can look in the properties on the cpu node(s)
-	 * for a possibly more accurate value.
-	 */
-	if (! cpu_has_feature(CPU_FTR_UNIFIED_ID_CACHE)) {
-		dcache_bsize = cur_cpu_spec->dcache_bsize;
-		icache_bsize = cur_cpu_spec->icache_bsize;
-		ucache_bsize = 0;
-	} else
-		ucache_bsize = dcache_bsize = icache_bsize
-			= cur_cpu_spec->dcache_bsize;
-
-	/* reboot on panic */
-	panic_timeout = 180;
-
-	init_mm.start_code = PAGE_OFFSET;
-	init_mm.end_code = (unsigned long) _etext;
-	init_mm.end_data = (unsigned long) _edata;
-	init_mm.brk = (unsigned long) klimit;
-
-	/* Save unparsed command line copy for /proc/cmdline */
-	strlcpy(boot_command_line, cmd_line, COMMAND_LINE_SIZE);
-	*cmdline_p = cmd_line;
-
-	parse_early_param();
-
-	/* set up the bootmem stuff with available memory */
-	do_init_bootmem();
-	if ( ppc_md.progress ) ppc_md.progress("setup_arch: bootmem", 0x3eab);
-
-#ifdef CONFIG_PPC_OCP
-	/* Initialize OCP device list */
-	ocp_early_init();
-	if ( ppc_md.progress ) ppc_md.progress("ocp: exit", 0x3eab);
-#endif
-
-#ifdef CONFIG_DUMMY_CONSOLE
-	conswitchp = &dummy_con;
-#endif
-
-	ppc_md.setup_arch();
-	if ( ppc_md.progress ) ppc_md.progress("arch: exit", 0x3eab);
-
-	paging_init();
-}
generated by cgit-pink 1.4.1 (git 2.36.1) at 2024-09-24 14:41:45 +0000