diff options
author | Paul Mackerras <paulus@samba.org> | 2005-10-26 17:11:18 +1000 |
---|---|---|
committer | Paul Mackerras <paulus@samba.org> | 2005-10-26 17:11:18 +1000 |
commit | 03501dab035ab7da5e1373f5e130cfd6346d3f21 (patch) | |
tree | 53f8299442806612d8d2a73361b754063ce043fa /arch/powerpc/kernel/setup_32.c | |
parent | 033ef338b6e007dc081c6282a4f2a9dd761f8cd2 (diff) |
powerpc: Pull common bits of setup_{32,64}.c into setup-common.c
This creates a new arch/powerpc/kernel/setup-common.c with various
bits that setup_32.c and setup_64.c had in common - functions like
machine_shutdown/restart/power_off, show_cpuinfo, set_preferred_console
etc.
Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'arch/powerpc/kernel/setup_32.c')
-rw-r--r-- | arch/powerpc/kernel/setup_32.c | 249 |
1 files changed, 4 insertions, 245 deletions
diff --git a/arch/powerpc/kernel/setup_32.c b/arch/powerpc/kernel/setup_32.c index c6a67c65852a..295d5c77f020 100644 --- a/arch/powerpc/kernel/setup_32.c +++ b/arch/powerpc/kernel/setup_32.c @@ -41,6 +41,8 @@ #include <asm/xmon.h> #include <asm/time.h> +#define DBG(fmt...) + #if defined CONFIG_KGDB #include <asm/kgdb.h> #endif @@ -108,168 +110,6 @@ struct screen_info screen_info = { }; #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); -} - -void machine_power_off(void) -{ -#ifdef CONFIG_NVRAM - nvram_sync(); -#endif - ppc_md.power_off(); -} - -void machine_halt(void) -{ -#ifdef CONFIG_NVRAM - nvram_sync(); -#endif - ppc_md.halt(); -} - -void (*pm_power_off)(void) = machine_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; - 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 (i = 0; i < NR_CPUS; ++i) - if (cpu_online(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) - ppc_md.show_cpuinfo(m); - return 0; - } - -#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) - ppc_md.show_percpuinfo(m, i); - - /* 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) { - 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; - } - } - - /* - * Assume here that all clock rates are the same in a - * smp system. -- Cort - */ - seq_printf(m, "clock\t\t: %lu.%06luMHz\n", ppc_proc_freq / 1000000, - ppc_proc_freq % 1000000); - - 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); - -#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) -{ -} - -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. @@ -297,30 +137,6 @@ unsigned long __init early_init(unsigned long dt_ptr) return KERNELBASE + offset; } -#ifdef CONFIG_PPC_OF -void __init -intuit_machine_type(void) -{ - char *model; - struct device_node *root; - - /* ask the OF info if we're a chrp or pmac */ - root = find_path_device("/"); - if (root != 0) { - /* assume pmac unless proven to be chrp -- Cort */ - _machine = _MACH_Pmac; - model = get_property(root, "device_type", NULL); - if (model && !strncmp("chrp", model, 4)) - _machine = _MACH_chrp; - else { - model = get_property(root, "model", NULL); - if (model && !strncmp(model, "IBM", 3)) - _machine = _MACH_chrp; - } - } -} -#endif - #ifdef CONFIG_PPC_MULTIPLATFORM /* * The PPC_MULTIPLATFORM version of platform_init... @@ -362,64 +178,7 @@ void __init platform_init(void) #endif } } - -#ifdef CONFIG_SERIAL_CORE_CONSOLE -extern char *of_stdout_device; - -static int __init set_preferred_console(void) -{ - struct device_node *prom_stdout; - char *name; - int offset = 0; - - if (of_stdout_device == NULL) - return -ENODEV; - - /* The user has requested a console so this is already set up. */ - if (strstr(saved_command_line, "console=")) - return -EBUSY; - - prom_stdout = find_path_device(of_stdout_device); - if (!prom_stdout) - return -ENODEV; - - name = (char *)get_property(prom_stdout, "name", NULL); - if (!name) - return -ENODEV; - - if (strcmp(name, "serial") == 0) { - int i; - u32 *reg = (u32 *)get_property(prom_stdout, "reg", &i); - if (i > 8) { - switch (reg[1]) { - case 0x3f8: - offset = 0; - break; - case 0x2f8: - offset = 1; - break; - case 0x898: - offset = 2; - break; - case 0x890: - offset = 3; - break; - default: - /* We dont recognise the serial port */ - return -ENODEV; - } - } - } else if (strcmp(name, "ch-a") == 0) - offset = 0; - else if (strcmp(name, "ch-b") == 0) - offset = 1; - else - return -ENODEV; - return add_preferred_console("ttyS", offset, NULL); -} -console_initcall(set_preferred_console); -#endif /* CONFIG_SERIAL_CORE_CONSOLE */ -#endif /* CONFIG_PPC_MULTIPLATFORM */ +#endif /* * Find out what kind of machine we're on and save any data we need @@ -545,7 +304,7 @@ void __init setup_arch(char **cmdline_p) init_boot_display(); #endif -#ifdef CONFIG_PPC_MULTIPLATFORM +#ifdef CONFIG_PPC_PMAC /* This could be called "early setup arch", it must be done * now because xmon need it */ |