#undef DEBUG
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/string.h>
#include <linux/sched.h>
#include <linux/serial.h>
#include <linux/serial_8250.h>
#include <linux/bootmem.h>
+#include <linux/pci.h>
#include <asm/io.h>
#include <asm/kdump.h>
#include <asm/prom.h>
#include <asm/page.h>
#include <asm/mmu.h>
#include <asm/lmb.h>
-#include <asm/iseries/it_lp_naca.h>
#include <asm/firmware.h>
#include <asm/xmon.h>
#include <asm/udbg.h>
int have_of = 1;
int boot_cpuid = 0;
-dev_t boot_dev;
u64 ppc64_pft_size;
/* Pick defaults since we might want to patch instructions
* before we've read this from the device tree.
*/
struct ppc64_caches ppc64_caches = {
- .dline_size = 0x80,
- .log_dline_size = 7,
- .iline_size = 0x80,
- .log_iline_size = 7
+ .dline_size = 0x40,
+ .log_dline_size = 6,
+ .iline_size = 0x40,
+ .log_iline_size = 6
};
EXPORT_SYMBOL_GPL(ppc64_caches);
int icache_bsize;
int ucache_bsize;
-#ifdef CONFIG_MAGIC_SYSRQ
-unsigned long SYSRQ_KEY;
-#endif /* CONFIG_MAGIC_SYSRQ */
-
-
-static int ppc64_panic_event(struct notifier_block *, unsigned long, void *);
-static struct notifier_block ppc64_panic_block = {
- .notifier_call = ppc64_panic_event,
- .priority = INT_MIN /* may not return; must be done last */
-};
-
#ifdef CONFIG_SMP
static int smt_enabled_cmdline;
static void check_smt_enabled(void)
{
struct device_node *dn;
- char *smt_option;
+ const char *smt_option;
/* Allow the command line to overrule the OF option */
if (smt_enabled_cmdline)
dn = of_find_node_by_path("/options");
if (dn) {
- smt_option = (char *)get_property(dn, "ibm,smt-enabled", NULL);
+ smt_option = get_property(dn, "ibm,smt-enabled", NULL);
if (smt_option) {
if (!strcmp(smt_option, "on"))
#define check_smt_enabled()
#endif /* CONFIG_SMP */
+/* Put the paca pointer into r13 and SPRG3 */
+void __init setup_paca(int cpu)
+{
+ local_paca = &paca[cpu];
+ mtspr(SPRN_SPRG3, local_paca);
+}
+
/*
* Early initialization entry point. This is called by head.S
* with MMU translation disabled. We rely on the "feature" of
void __init early_setup(unsigned long dt_ptr)
{
+ /* Identify CPU type */
+ identify_cpu(0, mfspr(SPRN_PVR));
+
+ /* Assume we're on cpu 0 for now. Don't write to the paca yet! */
+ setup_paca(0);
+
/* Enable early debugging if any specified (see udbg.h) */
udbg_early_init();
early_init_devtree(__va(dt_ptr));
/* Now we know the logical id of our boot cpu, setup the paca. */
- setup_boot_paca();
+ setup_paca(boot_cpuid);
/* Fix up paca fields required for the boot cpu */
get_paca()->cpu_start = 1;
/* Probe the machine type */
probe_machine();
-#ifdef CONFIG_CRASH_DUMP
- kdump_setup();
-#endif
+ setup_kdump_trampoline();
DBG("Found, Initializing memory management...\n");
{
struct paca_struct *lpaca = get_paca();
- /* Mark enabled in PACA */
- lpaca->proc_enabled = 0;
+ /* Mark interrupts enabled in PACA */
+ lpaca->soft_enabled = 0;
/* Initialize hash table for that CPU */
htab_initialize_secondary();
*/
if ( num_cpus == 1 ) {
- u32 *sizep, *lsizep;
+ const u32 *sizep, *lsizep;
u32 size, lsize;
const char *dc, *ic;
size = 0;
lsize = cur_cpu_spec->dcache_bsize;
- sizep = (u32 *)get_property(np, "d-cache-size", NULL);
+ sizep = get_property(np, "d-cache-size", NULL);
if (sizep != NULL)
size = *sizep;
- lsizep = (u32 *) get_property(np, dc, NULL);
+ lsizep = get_property(np, dc, NULL);
if (lsizep != NULL)
lsize = *lsizep;
if (sizep == 0 || lsizep == 0)
size = 0;
lsize = cur_cpu_spec->icache_bsize;
- sizep = (u32 *)get_property(np, "i-cache-size", NULL);
+ sizep = get_property(np, "i-cache-size", NULL);
if (sizep != NULL)
size = *sizep;
- lsizep = (u32 *)get_property(np, ic, NULL);
+ lsizep = get_property(np, ic, NULL);
if (lsizep != NULL)
lsize = *lsizep;
if (sizep == 0 || lsizep == 0)
{
DBG(" -> setup_system()\n");
-#ifdef CONFIG_KEXEC
- kdump_move_device_tree();
-#endif
+ /* Apply the CPUs-specific and firmware specific fixups to kernel
+ * text (nop out sections not relevant to this CPU or this firmware)
+ */
+ do_feature_fixups(cur_cpu_spec->cpu_features,
+ &__start___ftr_fixup, &__stop___ftr_fixup);
+ do_feature_fixups(powerpc_firmware_features,
+ &__start___fw_ftr_fixup, &__stop___fw_ftr_fixup);
+
/*
* Unflatten the device-tree passed by prom_init or kexec
*/
unflatten_device_tree();
-#ifdef CONFIG_KEXEC
- kexec_setup(); /* requires unflattened device tree. */
-#endif
-
/*
* Fill the ppc64_caches & systemcfg structures with informations
- * retrieved from the device-tree. Need to be called before
- * finish_device_tree() since the later requires some of the
- * informations filled up here to properly parse the interrupt
- * tree.
- * It also sets up the cache line sizes which allows to call
- * routines like flush_icache_range (used by the hash init
- * later on).
+ * retrieved from the device-tree.
*/
initialize_cache_info();
+ /*
+ * Initialize irq remapping subsystem
+ */
+ irq_early_init();
+
#ifdef CONFIG_PPC_RTAS
/*
* Initialize RTAS if available
* setting up the hash table pointers. It also sets up some interrupt-mapping
* related options that will be used by finish_device_tree()
*/
- ppc_md.init_early();
+ if (ppc_md.init_early)
+ ppc_md.init_early();
/*
* We can discover serial ports now since the above did setup the
find_legacy_serial_ports();
/*
- * "Finish" the device-tree, that is do the actual parsing of
- * some of the properties like the interrupt map
+ * Register early console
*/
- finish_device_tree();
+ register_early_udbg_console();
/*
* Initialize xmon
*/
-#ifdef CONFIG_XMON_DEFAULT
- xmon_init(1);
-#endif
- /*
- * Register early console
- */
- register_early_udbg_console();
-
- /* Save unparsed command line copy for /proc/cmdline */
- strlcpy(saved_command_line, cmd_line, COMMAND_LINE_SIZE);
-
- parse_early_param();
+ xmon_setup();
check_smt_enabled();
smp_setup_cpu_maps();
smp_release_cpus();
#endif
- printk("Starting Linux PPC64 %s\n", system_utsname.version);
+ printk("Starting Linux PPC64 %s\n", init_utsname()->version);
printk("-----------------------------------------------------\n");
printk("ppc64_pft_size = 0x%lx\n", ppc64_pft_size);
- printk("ppc64_interrupt_controller = 0x%ld\n",
- ppc64_interrupt_controller);
printk("physicalMemorySize = 0x%lx\n", lmb_phys_mem_size());
printk("ppc64_caches.dcache_line_size = 0x%x\n",
ppc64_caches.dline_size);
DBG(" <- setup_system()\n");
}
-static int ppc64_panic_event(struct notifier_block *this,
- unsigned long event, void *ptr)
-{
- ppc_md.panic((char *)ptr); /* May not return */
- return NOTIFY_DONE;
-}
-
#ifdef CONFIG_IRQSTACKS
static void __init irqstack_early_init(void)
{
*/
void __init setup_arch(char **cmdline_p)
{
- extern void do_init_bootmem(void);
-
ppc64_boot_msg(0x12, "Setup Arch");
*cmdline_p = cmd_line;
panic_timeout = 180;
if (ppc_md.panic)
- atomic_notifier_chain_register(&panic_notifier_list,
- &ppc64_panic_block);
+ setup_panic();
init_mm.start_code = PAGE_OFFSET;
init_mm.end_code = (unsigned long) _etext;
}
}
#endif
+
+
+#ifdef CONFIG_PPC_INDIRECT_IO
+struct ppc_pci_io ppc_pci_io;
+EXPORT_SYMBOL(ppc_pci_io);
+#endif /* CONFIG_PPC_INDIRECT_IO */
+
git://git.onelab.eu / linux-2.6.git / blobdiff