diff options
Diffstat (limited to 'arch/parisc/kernel/setup.c')
| -rw-r--r-- | arch/parisc/kernel/setup.c | 76 |
1 files changed, 55 insertions, 21 deletions
diff --git a/arch/parisc/kernel/setup.c b/arch/parisc/kernel/setup.c index 4a36ec3f6ac..72a3c658ad7 100644 --- a/arch/parisc/kernel/setup.c +++ b/arch/parisc/kernel/setup.c @@ -1,5 +1,4 @@ -/* $Id: setup.c,v 1.8 2000/02/02 04:42:38 prumpf Exp $ - * +/* * Initial setup-routines for HP 9000 based hardware. * * Copyright (C) 1991, 1992, 1995 Linus Torvalds @@ -27,7 +26,6 @@ * */ -#include <linux/config.h> #include <linux/kernel.h> #include <linux/initrd.h> #include <linux/init.h> @@ -37,6 +35,7 @@ #include <linux/pci.h> #undef PCI_DEBUG #include <linux/proc_fs.h> +#include <linux/export.h> #include <asm/processor.h> #include <asm/pdc.h> @@ -45,8 +44,9 @@ #include <asm/pdc_chassis.h> #include <asm/io.h> #include <asm/setup.h> +#include <asm/unwind.h> -char command_line[COMMAND_LINE_SIZE] __read_mostly; +static char __initdata command_line[COMMAND_LINE_SIZE]; /* Intended for ccio/sba/cpu statistics under /proc/bus/{runway|gsc} */ struct proc_dir_entry * proc_runway_root __read_mostly = NULL; @@ -58,11 +58,6 @@ int parisc_bus_is_phys __read_mostly = 1; /* Assume no IOMMU is present */ EXPORT_SYMBOL(parisc_bus_is_phys); #endif -/* This sets the vmerge boundary and size, it's here because it has to - * be available on all platforms (zero means no-virtual merging) */ -unsigned long parisc_vmerge_boundary = 0; -unsigned long parisc_vmerge_max_size = 0; - void __init setup_cmdline(char **cmdline_p) { extern unsigned int boot_args[]; @@ -72,9 +67,10 @@ void __init setup_cmdline(char **cmdline_p) /* boot_args[0] is free-mem start, boot_args[1] is ptr to command line */ if (boot_args[0] < 64) { /* called from hpux boot loader */ - saved_command_line[0] = '\0'; + boot_command_line[0] = '\0'; } else { - strcpy(saved_command_line, (char *)__va(boot_args[1])); + strlcpy(boot_command_line, (char *)__va(boot_args[1]), + COMMAND_LINE_SIZE); #ifdef CONFIG_BLK_DEV_INITRD if (boot_args[2] != 0) /* did palo pass us a ramdisk? */ @@ -85,7 +81,7 @@ void __init setup_cmdline(char **cmdline_p) #endif } - strcpy(command_line, saved_command_line); + strcpy(command_line, boot_command_line); *cmdline_p = command_line; } @@ -121,21 +117,24 @@ extern void collect_boot_cpu_data(void); void __init setup_arch(char **cmdline_p) { -#ifdef __LP64__ +#ifdef CONFIG_64BIT extern int parisc_narrow_firmware; #endif + unwind_init(); init_per_cpu(smp_processor_id()); /* Set Modes & Enable FP */ -#ifdef __LP64__ +#ifdef CONFIG_64BIT printk(KERN_INFO "The 64-bit Kernel has started...\n"); #else printk(KERN_INFO "The 32-bit Kernel has started...\n"); #endif + printk(KERN_INFO "Default page size is %dKB.\n", (int)(PAGE_SIZE / 1024)); + pdc_console_init(); -#ifdef __LP64__ +#ifdef CONFIG_64BIT if(parisc_narrow_firmware) { printk(KERN_INFO "Kernel is using PDC in 32-bit mode.\n"); } @@ -157,13 +156,13 @@ void __init setup_arch(char **cmdline_p) #endif #if defined(CONFIG_VT) && defined(CONFIG_DUMMY_CONSOLE) - conswitchp = &dummy_con; /* we use take_over_console() later ! */ + conswitchp = &dummy_con; /* we use do_take_over_console() later ! */ #endif } /* - * Display cpu info for all cpu's. + * Display CPU info for all CPUs. * for parisc this is in processor.c */ extern int show_cpuinfo (struct seq_file *m, void *v); @@ -191,7 +190,7 @@ c_stop (struct seq_file *m, void *v) { } -struct seq_operations cpuinfo_op = { +const struct seq_operations cpuinfo_op = { .start = c_start, .next = c_next, .stop = c_stop, @@ -226,6 +225,7 @@ static void __init parisc_proc_mkdir(void) } break; case mako: + case mako2: if (NULL == proc_mckinley_root) { proc_mckinley_root = proc_mkdir("bus/mckinley", NULL); @@ -303,6 +303,8 @@ extern void eisa_init(void); static int __init parisc_init(void) { + u32 osid = (OS_ID_LINUX << 16); + parisc_proc_mkdir(); parisc_init_resources(); do_device_inventory(); /* probe for hardware */ @@ -311,10 +313,17 @@ static int __init parisc_init(void) /* set up a new led state on systems shipped LED State panel */ pdc_chassis_send_status(PDC_CHASSIS_DIRECT_BSTART); + + /* tell PDC we're Linux. Nevermind failure. */ + pdc_stable_write(0x40, &osid, sizeof(osid)); processor_init(); - printk(KERN_INFO "CPU(s): %d x %s at %d.%06d MHz\n", - boot_cpu_data.cpu_count, +#ifdef CONFIG_SMP + pr_info("CPU(s): %d out of %d %s at %d.%06d MHz online\n", + num_online_cpus(), num_present_cpus(), +#else + pr_info("CPU(s): 1 x %s at %d.%06d MHz\n", +#endif boot_cpu_data.cpu_name, boot_cpu_data.cpu_hz / 1000000, boot_cpu_data.cpu_hz % 1000000 ); @@ -363,6 +372,31 @@ static int __init parisc_init(void) return 0; } - arch_initcall(parisc_init); +void start_parisc(void) +{ + extern void start_kernel(void); + + int ret, cpunum; + struct pdc_coproc_cfg coproc_cfg; + + cpunum = smp_processor_id(); + + set_firmware_width_unlocked(); + + ret = pdc_coproc_cfg_unlocked(&coproc_cfg); + if (ret >= 0 && coproc_cfg.ccr_functional) { + mtctl(coproc_cfg.ccr_functional, 10); + + per_cpu(cpu_data, cpunum).fp_rev = coproc_cfg.revision; + per_cpu(cpu_data, cpunum).fp_model = coproc_cfg.model; + + asm volatile ("fstd %fr0,8(%sp)"); + } else { + panic("must have an fpu to boot linux"); + } + + start_kernel(); + // not reached +} |