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Diffstat (limited to 'ANDROID_3.4.5/arch/sparc/kernel/setup_64.c')
-rw-r--r--ANDROID_3.4.5/arch/sparc/kernel/setup_64.c567
1 files changed, 0 insertions, 567 deletions
diff --git a/ANDROID_3.4.5/arch/sparc/kernel/setup_64.c b/ANDROID_3.4.5/arch/sparc/kernel/setup_64.c
deleted file mode 100644
index 1414d167..00000000
--- a/ANDROID_3.4.5/arch/sparc/kernel/setup_64.c
+++ /dev/null
@@ -1,567 +0,0 @@
-/*
- * linux/arch/sparc64/kernel/setup.c
- *
- * Copyright (C) 1995,1996 David S. Miller (davem@caip.rutgers.edu)
- * Copyright (C) 1997 Jakub Jelinek (jj@sunsite.mff.cuni.cz)
- */
-
-#include <linux/errno.h>
-#include <linux/sched.h>
-#include <linux/kernel.h>
-#include <linux/mm.h>
-#include <linux/stddef.h>
-#include <linux/unistd.h>
-#include <linux/ptrace.h>
-#include <asm/smp.h>
-#include <linux/user.h>
-#include <linux/screen_info.h>
-#include <linux/delay.h>
-#include <linux/fs.h>
-#include <linux/seq_file.h>
-#include <linux/syscalls.h>
-#include <linux/kdev_t.h>
-#include <linux/major.h>
-#include <linux/string.h>
-#include <linux/init.h>
-#include <linux/inet.h>
-#include <linux/console.h>
-#include <linux/root_dev.h>
-#include <linux/interrupt.h>
-#include <linux/cpu.h>
-#include <linux/initrd.h>
-#include <linux/module.h>
-
-#include <asm/io.h>
-#include <asm/processor.h>
-#include <asm/oplib.h>
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/idprom.h>
-#include <asm/head.h>
-#include <asm/starfire.h>
-#include <asm/mmu_context.h>
-#include <asm/timer.h>
-#include <asm/sections.h>
-#include <asm/setup.h>
-#include <asm/mmu.h>
-#include <asm/ns87303.h>
-#include <asm/btext.h>
-#include <asm/elf.h>
-#include <asm/mdesc.h>
-#include <asm/cacheflush.h>
-
-#ifdef CONFIG_IP_PNP
-#include <net/ipconfig.h>
-#endif
-
-#include "entry.h"
-#include "kernel.h"
-
-/* Used to synchronize accesses to NatSemi SUPER I/O chip configure
- * operations in asm/ns87303.h
- */
-DEFINE_SPINLOCK(ns87303_lock);
-EXPORT_SYMBOL(ns87303_lock);
-
-struct screen_info screen_info = {
- 0, 0, /* orig-x, orig-y */
- 0, /* unused */
- 0, /* orig-video-page */
- 0, /* orig-video-mode */
- 128, /* orig-video-cols */
- 0, 0, 0, /* unused, ega_bx, unused */
- 54, /* orig-video-lines */
- 0, /* orig-video-isVGA */
- 16 /* orig-video-points */
-};
-
-static void
-prom_console_write(struct console *con, const char *s, unsigned n)
-{
- prom_write(s, n);
-}
-
-/* Exported for mm/init.c:paging_init. */
-unsigned long cmdline_memory_size = 0;
-
-static struct console prom_early_console = {
- .name = "earlyprom",
- .write = prom_console_write,
- .flags = CON_PRINTBUFFER | CON_BOOT | CON_ANYTIME,
- .index = -1,
-};
-
-/*
- * Process kernel command line switches that are specific to the
- * SPARC or that require special low-level processing.
- */
-static void __init process_switch(char c)
-{
- switch (c) {
- case 'd':
- case 's':
- break;
- case 'h':
- prom_printf("boot_flags_init: Halt!\n");
- prom_halt();
- break;
- case 'p':
- prom_early_console.flags &= ~CON_BOOT;
- break;
- case 'P':
- /* Force UltraSPARC-III P-Cache on. */
- if (tlb_type != cheetah) {
- printk("BOOT: Ignoring P-Cache force option.\n");
- break;
- }
- cheetah_pcache_forced_on = 1;
- add_taint(TAINT_MACHINE_CHECK);
- cheetah_enable_pcache();
- break;
-
- default:
- printk("Unknown boot switch (-%c)\n", c);
- break;
- }
-}
-
-static void __init boot_flags_init(char *commands)
-{
- while (*commands) {
- /* Move to the start of the next "argument". */
- while (*commands && *commands == ' ')
- commands++;
-
- /* Process any command switches, otherwise skip it. */
- if (*commands == '\0')
- break;
- if (*commands == '-') {
- commands++;
- while (*commands && *commands != ' ')
- process_switch(*commands++);
- continue;
- }
- if (!strncmp(commands, "mem=", 4)) {
- /*
- * "mem=XXX[kKmM]" overrides the PROM-reported
- * memory size.
- */
- cmdline_memory_size = simple_strtoul(commands + 4,
- &commands, 0);
- if (*commands == 'K' || *commands == 'k') {
- cmdline_memory_size <<= 10;
- commands++;
- } else if (*commands=='M' || *commands=='m') {
- cmdline_memory_size <<= 20;
- commands++;
- }
- }
- while (*commands && *commands != ' ')
- commands++;
- }
-}
-
-extern unsigned short root_flags;
-extern unsigned short root_dev;
-extern unsigned short ram_flags;
-#define RAMDISK_IMAGE_START_MASK 0x07FF
-#define RAMDISK_PROMPT_FLAG 0x8000
-#define RAMDISK_LOAD_FLAG 0x4000
-
-extern int root_mountflags;
-
-char reboot_command[COMMAND_LINE_SIZE];
-
-static struct pt_regs fake_swapper_regs = { { 0, }, 0, 0, 0, 0 };
-
-void __init per_cpu_patch(void)
-{
- struct cpuid_patch_entry *p;
- unsigned long ver;
- int is_jbus;
-
- if (tlb_type == spitfire && !this_is_starfire)
- return;
-
- is_jbus = 0;
- if (tlb_type != hypervisor) {
- __asm__ ("rdpr %%ver, %0" : "=r" (ver));
- is_jbus = ((ver >> 32UL) == __JALAPENO_ID ||
- (ver >> 32UL) == __SERRANO_ID);
- }
-
- p = &__cpuid_patch;
- while (p < &__cpuid_patch_end) {
- unsigned long addr = p->addr;
- unsigned int *insns;
-
- switch (tlb_type) {
- case spitfire:
- insns = &p->starfire[0];
- break;
- case cheetah:
- case cheetah_plus:
- if (is_jbus)
- insns = &p->cheetah_jbus[0];
- else
- insns = &p->cheetah_safari[0];
- break;
- case hypervisor:
- insns = &p->sun4v[0];
- break;
- default:
- prom_printf("Unknown cpu type, halting.\n");
- prom_halt();
- }
-
- *(unsigned int *) (addr + 0) = insns[0];
- wmb();
- __asm__ __volatile__("flush %0" : : "r" (addr + 0));
-
- *(unsigned int *) (addr + 4) = insns[1];
- wmb();
- __asm__ __volatile__("flush %0" : : "r" (addr + 4));
-
- *(unsigned int *) (addr + 8) = insns[2];
- wmb();
- __asm__ __volatile__("flush %0" : : "r" (addr + 8));
-
- *(unsigned int *) (addr + 12) = insns[3];
- wmb();
- __asm__ __volatile__("flush %0" : : "r" (addr + 12));
-
- p++;
- }
-}
-
-void sun4v_patch_1insn_range(struct sun4v_1insn_patch_entry *start,
- struct sun4v_1insn_patch_entry *end)
-{
- while (start < end) {
- unsigned long addr = start->addr;
-
- *(unsigned int *) (addr + 0) = start->insn;
- wmb();
- __asm__ __volatile__("flush %0" : : "r" (addr + 0));
-
- start++;
- }
-}
-
-void sun4v_patch_2insn_range(struct sun4v_2insn_patch_entry *start,
- struct sun4v_2insn_patch_entry *end)
-{
- while (start < end) {
- unsigned long addr = start->addr;
-
- *(unsigned int *) (addr + 0) = start->insns[0];
- wmb();
- __asm__ __volatile__("flush %0" : : "r" (addr + 0));
-
- *(unsigned int *) (addr + 4) = start->insns[1];
- wmb();
- __asm__ __volatile__("flush %0" : : "r" (addr + 4));
-
- start++;
- }
-}
-
-void __init sun4v_patch(void)
-{
- extern void sun4v_hvapi_init(void);
-
- if (tlb_type != hypervisor)
- return;
-
- sun4v_patch_1insn_range(&__sun4v_1insn_patch,
- &__sun4v_1insn_patch_end);
-
- sun4v_patch_2insn_range(&__sun4v_2insn_patch,
- &__sun4v_2insn_patch_end);
-
- sun4v_hvapi_init();
-}
-
-static void __init popc_patch(void)
-{
- struct popc_3insn_patch_entry *p3;
- struct popc_6insn_patch_entry *p6;
-
- p3 = &__popc_3insn_patch;
- while (p3 < &__popc_3insn_patch_end) {
- unsigned long i, addr = p3->addr;
-
- for (i = 0; i < 3; i++) {
- *(unsigned int *) (addr + (i * 4)) = p3->insns[i];
- wmb();
- __asm__ __volatile__("flush %0"
- : : "r" (addr + (i * 4)));
- }
-
- p3++;
- }
-
- p6 = &__popc_6insn_patch;
- while (p6 < &__popc_6insn_patch_end) {
- unsigned long i, addr = p6->addr;
-
- for (i = 0; i < 6; i++) {
- *(unsigned int *) (addr + (i * 4)) = p6->insns[i];
- wmb();
- __asm__ __volatile__("flush %0"
- : : "r" (addr + (i * 4)));
- }
-
- p6++;
- }
-}
-
-#ifdef CONFIG_SMP
-void __init boot_cpu_id_too_large(int cpu)
-{
- prom_printf("Serious problem, boot cpu id (%d) >= NR_CPUS (%d)\n",
- cpu, NR_CPUS);
- prom_halt();
-}
-#endif
-
-/* On Ultra, we support all of the v8 capabilities. */
-unsigned long sparc64_elf_hwcap = (HWCAP_SPARC_FLUSH | HWCAP_SPARC_STBAR |
- HWCAP_SPARC_SWAP | HWCAP_SPARC_MULDIV |
- HWCAP_SPARC_V9);
-EXPORT_SYMBOL(sparc64_elf_hwcap);
-
-static const char *hwcaps[] = {
- "flush", "stbar", "swap", "muldiv", "v9",
- "ultra3", "blkinit", "n2",
-
- /* These strings are as they appear in the machine description
- * 'hwcap-list' property for cpu nodes.
- */
- "mul32", "div32", "fsmuld", "v8plus", "popc", "vis", "vis2",
- "ASIBlkInit", "fmaf", "vis3", "hpc", "random", "trans", "fjfmau",
- "ima", "cspare",
-};
-
-void cpucap_info(struct seq_file *m)
-{
- unsigned long caps = sparc64_elf_hwcap;
- int i, printed = 0;
-
- seq_puts(m, "cpucaps\t\t: ");
- for (i = 0; i < ARRAY_SIZE(hwcaps); i++) {
- unsigned long bit = 1UL << i;
- if (caps & bit) {
- seq_printf(m, "%s%s",
- printed ? "," : "", hwcaps[i]);
- printed++;
- }
- }
- seq_putc(m, '\n');
-}
-
-static void __init report_hwcaps(unsigned long caps)
-{
- int i, printed = 0;
-
- printk(KERN_INFO "CPU CAPS: [");
- for (i = 0; i < ARRAY_SIZE(hwcaps); i++) {
- unsigned long bit = 1UL << i;
- if (caps & bit) {
- printk(KERN_CONT "%s%s",
- printed ? "," : "", hwcaps[i]);
- if (++printed == 8) {
- printk(KERN_CONT "]\n");
- printk(KERN_INFO "CPU CAPS: [");
- printed = 0;
- }
- }
- }
- printk(KERN_CONT "]\n");
-}
-
-static unsigned long __init mdesc_cpu_hwcap_list(void)
-{
- struct mdesc_handle *hp;
- unsigned long caps = 0;
- const char *prop;
- int len;
- u64 pn;
-
- hp = mdesc_grab();
- if (!hp)
- return 0;
-
- pn = mdesc_node_by_name(hp, MDESC_NODE_NULL, "cpu");
- if (pn == MDESC_NODE_NULL)
- goto out;
-
- prop = mdesc_get_property(hp, pn, "hwcap-list", &len);
- if (!prop)
- goto out;
-
- while (len) {
- int i, plen;
-
- for (i = 0; i < ARRAY_SIZE(hwcaps); i++) {
- unsigned long bit = 1UL << i;
-
- if (!strcmp(prop, hwcaps[i])) {
- caps |= bit;
- break;
- }
- }
-
- plen = strlen(prop) + 1;
- prop += plen;
- len -= plen;
- }
-
-out:
- mdesc_release(hp);
- return caps;
-}
-
-/* This yields a mask that user programs can use to figure out what
- * instruction set this cpu supports.
- */
-static void __init init_sparc64_elf_hwcap(void)
-{
- unsigned long cap = sparc64_elf_hwcap;
- unsigned long mdesc_caps;
-
- if (tlb_type == cheetah || tlb_type == cheetah_plus)
- cap |= HWCAP_SPARC_ULTRA3;
- else if (tlb_type == hypervisor) {
- if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1 ||
- sun4v_chip_type == SUN4V_CHIP_NIAGARA2 ||
- sun4v_chip_type == SUN4V_CHIP_NIAGARA3 ||
- sun4v_chip_type == SUN4V_CHIP_NIAGARA4 ||
- sun4v_chip_type == SUN4V_CHIP_NIAGARA5)
- cap |= HWCAP_SPARC_BLKINIT;
- if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2 ||
- sun4v_chip_type == SUN4V_CHIP_NIAGARA3 ||
- sun4v_chip_type == SUN4V_CHIP_NIAGARA4 ||
- sun4v_chip_type == SUN4V_CHIP_NIAGARA5)
- cap |= HWCAP_SPARC_N2;
- }
-
- cap |= (AV_SPARC_MUL32 | AV_SPARC_DIV32 | AV_SPARC_V8PLUS);
-
- mdesc_caps = mdesc_cpu_hwcap_list();
- if (!mdesc_caps) {
- if (tlb_type == spitfire)
- cap |= AV_SPARC_VIS;
- if (tlb_type == cheetah || tlb_type == cheetah_plus)
- cap |= AV_SPARC_VIS | AV_SPARC_VIS2;
- if (tlb_type == cheetah_plus) {
- unsigned long impl, ver;
-
- __asm__ __volatile__("rdpr %%ver, %0" : "=r" (ver));
- impl = ((ver >> 32) & 0xffff);
- if (impl == PANTHER_IMPL)
- cap |= AV_SPARC_POPC;
- }
- if (tlb_type == hypervisor) {
- if (sun4v_chip_type == SUN4V_CHIP_NIAGARA1)
- cap |= AV_SPARC_ASI_BLK_INIT;
- if (sun4v_chip_type == SUN4V_CHIP_NIAGARA2 ||
- sun4v_chip_type == SUN4V_CHIP_NIAGARA3 ||
- sun4v_chip_type == SUN4V_CHIP_NIAGARA4 ||
- sun4v_chip_type == SUN4V_CHIP_NIAGARA5)
- cap |= (AV_SPARC_VIS | AV_SPARC_VIS2 |
- AV_SPARC_ASI_BLK_INIT |
- AV_SPARC_POPC);
- if (sun4v_chip_type == SUN4V_CHIP_NIAGARA3 ||
- sun4v_chip_type == SUN4V_CHIP_NIAGARA4 ||
- sun4v_chip_type == SUN4V_CHIP_NIAGARA5)
- cap |= (AV_SPARC_VIS3 | AV_SPARC_HPC |
- AV_SPARC_FMAF);
- }
- }
- sparc64_elf_hwcap = cap | mdesc_caps;
-
- report_hwcaps(sparc64_elf_hwcap);
-
- if (sparc64_elf_hwcap & AV_SPARC_POPC)
- popc_patch();
-}
-
-void __init setup_arch(char **cmdline_p)
-{
- /* Initialize PROM console and command line. */
- *cmdline_p = prom_getbootargs();
- strcpy(boot_command_line, *cmdline_p);
- parse_early_param();
-
- boot_flags_init(*cmdline_p);
-#ifdef CONFIG_EARLYFB
- if (btext_find_display())
-#endif
- register_console(&prom_early_console);
-
- if (tlb_type == hypervisor)
- printk("ARCH: SUN4V\n");
- else
- printk("ARCH: SUN4U\n");
-
-#ifdef CONFIG_DUMMY_CONSOLE
- conswitchp = &dummy_con;
-#endif
-
- idprom_init();
-
- if (!root_flags)
- root_mountflags &= ~MS_RDONLY;
- ROOT_DEV = old_decode_dev(root_dev);
-#ifdef CONFIG_BLK_DEV_RAM
- rd_image_start = ram_flags & RAMDISK_IMAGE_START_MASK;
- rd_prompt = ((ram_flags & RAMDISK_PROMPT_FLAG) != 0);
- rd_doload = ((ram_flags & RAMDISK_LOAD_FLAG) != 0);
-#endif
-
- task_thread_info(&init_task)->kregs = &fake_swapper_regs;
-
-#ifdef CONFIG_IP_PNP
- if (!ic_set_manually) {
- phandle chosen = prom_finddevice("/chosen");
- u32 cl, sv, gw;
-
- cl = prom_getintdefault (chosen, "client-ip", 0);
- sv = prom_getintdefault (chosen, "server-ip", 0);
- gw = prom_getintdefault (chosen, "gateway-ip", 0);
- if (cl && sv) {
- ic_myaddr = cl;
- ic_servaddr = sv;
- if (gw)
- ic_gateway = gw;
-#if defined(CONFIG_IP_PNP_BOOTP) || defined(CONFIG_IP_PNP_RARP)
- ic_proto_enabled = 0;
-#endif
- }
- }
-#endif
-
- /* Get boot processor trap_block[] setup. */
- init_cur_cpu_trap(current_thread_info());
-
- paging_init();
- init_sparc64_elf_hwcap();
-}
-
-extern int stop_a_enabled;
-
-void sun_do_break(void)
-{
- if (!stop_a_enabled)
- return;
-
- prom_printf("\n");
- flush_user_windows();
-
- prom_cmdline();
-}
-EXPORT_SYMBOL(sun_do_break);
-
-int stop_a_enabled = 1;
-EXPORT_SYMBOL(stop_a_enabled);
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