.priority = INT_MIN /* may not return; must be done last */
};
-/*
- * Perhaps we can put the pmac screen_info[] here
- * on pmac as well so we don't need the ifdef's.
- * Until we get multiple-console support in here
- * that is. -- Cort
- * Maybe tie it to serial consoles, since this is really what
- * these processors use on existing boards. -- Dan
- */
-struct screen_info screen_info = {
- .orig_x = 0,
- .orig_y = 25,
- .orig_video_cols = 80,
- .orig_video_lines = 25,
- .orig_video_isVGA = 1,
- .orig_video_points = 16
-};
-
#ifdef CONFIG_SMP
static int smt_enabled_cmdline;
DBG(" <- setup_system()\n");
}
-/* also used by kexec */
-void machine_shutdown(void)
-{
- if (ppc_md.nvram_sync)
- ppc_md.nvram_sync();
-}
-
-void machine_restart(char *cmd)
-{
- machine_shutdown();
- ppc_md.restart(cmd);
-#ifdef CONFIG_SMP
- smp_send_stop();
-#endif
- printk(KERN_EMERG "System Halted, OK to turn off power\n");
- local_irq_disable();
- while (1) ;
-}
-
-void machine_power_off(void)
-{
- machine_shutdown();
- ppc_md.power_off();
-#ifdef CONFIG_SMP
- smp_send_stop();
-#endif
- printk(KERN_EMERG "System Halted, OK to turn off power\n");
- local_irq_disable();
- while (1) ;
-}
-/* Used by the G5 thermal driver */
-EXPORT_SYMBOL_GPL(machine_power_off);
-
-void machine_halt(void)
-{
- machine_shutdown();
- ppc_md.halt();
-#ifdef CONFIG_SMP
- smp_send_stop();
-#endif
- printk(KERN_EMERG "System Halted, OK to turn off power\n");
- local_irq_disable();
- while (1) ;
-}
-
static int ppc64_panic_event(struct notifier_block *this,
unsigned long event, void *ptr)
{
return NOTIFY_DONE;
}
-
-#ifdef CONFIG_SMP
-DEFINE_PER_CPU(unsigned int, pvr);
-#endif
-
-static int show_cpuinfo(struct seq_file *m, void *v)
-{
- unsigned long cpu_id = (unsigned long)v - 1;
- unsigned int pvr;
- unsigned short maj;
- unsigned short min;
-
- if (cpu_id == NR_CPUS) {
- seq_printf(m, "timebase\t: %lu\n", ppc_tb_freq);
-
- if (ppc_md.show_cpuinfo != NULL)
- ppc_md.show_cpuinfo(m);
-
- return 0;
- }
-
- /* We only show online cpus: disable preempt (overzealous, I
- * knew) to prevent cpu going down. */
- preempt_disable();
- if (!cpu_online(cpu_id)) {
- preempt_enable();
- return 0;
- }
-
-#ifdef CONFIG_SMP
- pvr = per_cpu(pvr, cpu_id);
-#else
- pvr = mfspr(SPRN_PVR);
-#endif
- maj = (pvr >> 8) & 0xFF;
- min = pvr & 0xFF;
-
- seq_printf(m, "processor\t: %lu\n", cpu_id);
- 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 (cpu_has_feature(CPU_FTR_ALTIVEC))
- seq_printf(m, ", altivec supported");
-#endif /* CONFIG_ALTIVEC */
-
- seq_printf(m, "\n");
-
- /*
- * 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\n\n", maj, min);
-
- preempt_enable();
- return 0;
-}
-
-static void *c_start(struct seq_file *m, loff_t *pos)
-{
- return *pos <= NR_CPUS ? (void *)((*pos)+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,
-};
-
/*
* These three variables are used to save values passed to us by prom_init()
* via the device tree. The TCE variables are needed because with a memory_limit
early_param("mem", early_parsemem);
#endif /* CONFIG_PPC_ISERIES */
-#ifdef CONFIG_PPC_MULTIPLATFORM
-static int __init set_preferred_console(void)
-{
- struct device_node *prom_stdout = NULL;
- char *name;
- u32 *spd;
- int offset = 0;
-
- DBG(" -> set_preferred_console()\n");
-
- /* The user has requested a console so this is already set up. */
- if (strstr(saved_command_line, "console=")) {
- DBG(" console was specified !\n");
- return -EBUSY;
- }
-
- if (!of_chosen) {
- DBG(" of_chosen is NULL !\n");
- return -ENODEV;
- }
- /* We are getting a weird phandle from OF ... */
- /* ... So use the full path instead */
- name = (char *)get_property(of_chosen, "linux,stdout-path", NULL);
- if (name == NULL) {
- DBG(" no linux,stdout-path !\n");
- return -ENODEV;
- }
- prom_stdout = of_find_node_by_path(name);
- if (!prom_stdout) {
- DBG(" can't find stdout package %s !\n", name);
- return -ENODEV;
- }
- DBG("stdout is %s\n", prom_stdout->full_name);
-
- name = (char *)get_property(prom_stdout, "name", NULL);
- if (!name) {
- DBG(" stdout package has no name !\n");
- goto not_found;
- }
- spd = (u32 *)get_property(prom_stdout, "current-speed", NULL);
-
- if (0)
- ;
-#ifdef CONFIG_SERIAL_8250_CONSOLE
- else 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 */
- goto not_found;
- }
- }
- }
-#endif /* CONFIG_SERIAL_8250_CONSOLE */
-#ifdef CONFIG_PPC_PSERIES
- else if (strcmp(name, "vty") == 0) {
- u32 *reg = (u32 *)get_property(prom_stdout, "reg", NULL);
- char *compat = (char *)get_property(prom_stdout, "compatible", NULL);
-
- if (reg && compat && (strcmp(compat, "hvterm-protocol") == 0)) {
- /* Host Virtual Serial Interface */
- int offset;
- switch (reg[0]) {
- case 0x30000000:
- offset = 0;
- break;
- case 0x30000001:
- offset = 1;
- break;
- default:
- goto not_found;
- }
- of_node_put(prom_stdout);
- DBG("Found hvsi console at offset %d\n", offset);
- return add_preferred_console("hvsi", offset, NULL);
- } else {
- /* pSeries LPAR virtual console */
- of_node_put(prom_stdout);
- DBG("Found hvc console\n");
- return add_preferred_console("hvc", 0, NULL);
- }
- }
-#endif /* CONFIG_PPC_PSERIES */
-#ifdef CONFIG_SERIAL_PMACZILOG_CONSOLE
- else if (strcmp(name, "ch-a") == 0)
- offset = 0;
- else if (strcmp(name, "ch-b") == 0)
- offset = 1;
-#endif /* CONFIG_SERIAL_PMACZILOG_CONSOLE */
- else
- goto not_found;
- of_node_put(prom_stdout);
-
- DBG("Found serial console at ttyS%d\n", offset);
-
- if (spd) {
- static char __initdata opt[16];
- sprintf(opt, "%d", *spd);
- return add_preferred_console("ttyS", offset, opt);
- } else
- return add_preferred_console("ttyS", offset, NULL);
-
- not_found:
- DBG("No preferred console found !\n");
- of_node_put(prom_stdout);
- return -ENODEV;
-}
-console_initcall(set_preferred_console);
-#endif /* CONFIG_PPC_MULTIPLATFORM */
-
#ifdef CONFIG_IRQSTACKS
static void __init irqstack_early_init(void)
{
projects / GitHub / MotorolaMobilityLLC / kernel-slsi.git / commitdiff