From 917f0af9e5a9ceecf9e72537fabb501254ba321d Mon Sep 17 00:00:00 2001 From: Paul Mackerras Date: Mon, 9 Jun 2008 14:01:46 +1000 Subject: powerpc: Remove arch/ppc and include/asm-ppc All the maintained platforms are now in arch/powerpc, so the old arch/ppc stuff can now go away. Acked-by: Adrian Bunk Acked-by: Arnd Bergmann Acked-by: Becky Bruce Acked-by: Benjamin Herrenschmidt Acked-by: Geert Uytterhoeven Acked-by: Grant Likely Acked-by: Jochen Friedrich Acked-by: John Linn Acked-by: Jon Loeliger Acked-by: Josh Boyer Acked-by: Kumar Gala Acked-by: Olof Johansson Acked-by: Peter Korsgaard Acked-by: Scott Wood Acked-by: Sean MacLennan Acked-by: Segher Boessenkool Acked-by: Stefan Roese Acked-by: Stephen Neuendorffer Acked-by: Wolfgang Denk Signed-off-by: Paul Mackerras --- arch/ppc/kernel/setup.c | 572 ------------------------------------------------ 1 file changed, 572 deletions(-) delete mode 100644 arch/ppc/kernel/setup.c (limited to 'arch/ppc/kernel/setup.c') diff --git a/arch/ppc/kernel/setup.c b/arch/ppc/kernel/setup.c deleted file mode 100644 index 51e8094f52d..00000000000 --- a/arch/ppc/kernel/setup.c +++ /dev/null @@ -1,572 +0,0 @@ -/* - * Common prep boot and setup code. - */ - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#define USES_PPC_SYS (defined(CONFIG_MPC10X_BRIDGE) || defined(CONFIG_8260) || \ - defined(CONFIG_PPC_MPC52xx)) - -#if USES_PPC_SYS -#include -#endif - -#if defined CONFIG_KGDB -#include -#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 - * - * 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(); -} -- cgit v1.2.3