* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
- * Copyright (C) 1999,2001-2005 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 1999,2001-2006 Silicon Graphics, Inc. All rights reserved.
*/
-#include <linux/config.h>
#include <linux/module.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/kdev_t.h>
#include <linux/string.h>
-#include <linux/tty.h>
+#include <linux/screen_info.h>
#include <linux/console.h>
#include <linux/timex.h>
#include <linux/sched.h>
extern unsigned long last_time_offset;
extern void (*ia64_mark_idle) (int);
extern void snidle(int);
-extern unsigned char acpi_kbd_controller_present;
extern unsigned long long (*ia64_printk_clock)(void);
unsigned long sn_rtc_cycles_per_second;
int i;
int nid;
- nid = pxm_to_nid_map[pxm];
+ nid = pxm_to_node(pxm);
for (i = 0; i < num_node_memblks; i++) {
if (node_memblk[i].nid == nid) {
return NASID_GET(node_memblk[i].start_paddr);
struct pcdp_interface_pci if_pci;
extern struct efi efi;
- pcdp = efi.hcdp;
- if (! pcdp)
+ if (efi.hcdp == EFI_INVALID_TABLE_ADDR)
return; /* no hcdp/pcdp table */
+ pcdp = __va(efi.hcdp);
+
if (pcdp->rev < 3)
return; /* only support PCDP (rev >= 3) */
ia64_sn_plat_set_error_handling_features(); // obsolete
ia64_sn_set_os_feature(OSF_MCA_SLV_TO_OS_INIT_SLV);
ia64_sn_set_os_feature(OSF_FEAT_LOG_SBES);
+ /*
+ * Note: The calls to notify the PROM of ACPI and PCI Segment
+ * support must be done prior to acpi_load_tables(), as
+ * an ACPI capable PROM will rebuild the DSDT as result
+ * of the call.
+ */
+ ia64_sn_set_os_feature(OSF_PCISEGMENT_ENABLE);
+ ia64_sn_set_os_feature(OSF_ACPI_ENABLE);
#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE)
if (! vga_console_membase)
sn_scan_pcdp();
+ /*
+ * Setup legacy IO space.
+ * vga_console_iobase maps to PCI IO Space address 0 on the
+ * bus containing the VGA console.
+ */
+ if (vga_console_iobase) {
+ io_space[0].mmio_base = vga_console_iobase;
+ io_space[0].sparse = 0;
+ }
+
if (vga_console_membase) {
/* usable vga ... make tty0 the preferred default console */
if (!strstr(*cmdline_p, "console="))
ia64_printk_clock = ia64_sn2_printk_clock;
- /*
- * Old PROMs do not provide an ACPI FADT. Disable legacy keyboard
- * support here so we don't have to listen to failed keyboard probe
- * messages.
- */
- if (version <= 0x0209 && acpi_kbd_controller_present) {
- printk(KERN_INFO "Disabling legacy keyboard support as prom "
- "is too old and doesn't provide FADT\n");
- acpi_kbd_controller_present = 0;
- }
-
printk("SGI SAL version %x.%02x\n", version >> 8, version & 0x00FF);
/*
* for sn.
*/
pm_power_off = ia64_sn_power_down;
+ current->thread.flags |= IA64_THREAD_MIGRATION;
}
/**
* Also sets up a few fields in the nodepda. Also known as
* platform_cpu_init() by the ia64 machvec code.
*/
-void __init sn_cpu_init(void)
+void __cpuinit sn_cpu_init(void)
{
int cpuid;
int cpuphyid;
int slice;
int cnode;
int i;
- static int wars_have_been_checked;
+ static int wars_have_been_checked, set_cpu0_number;
- if (smp_processor_id() == 0 && IS_MEDUSA()) {
+ cpuid = smp_processor_id();
+ if (cpuid == 0 && IS_MEDUSA()) {
if (ia64_sn_is_fake_prom())
sn_prom_type = 2;
else
BUG();
sn_hub_info->as_shift = sn_hub_info->nasid_shift - 2;
+ /*
+ * Don't check status. The SAL call is not supported on all PROMs
+ * but a failure is harmless.
+ * Architechtuallly, cpu_init is always called twice on cpu 0. We
+ * should set cpu_number on cpu 0 once.
+ */
+ if (cpuid == 0) {
+ if (!set_cpu0_number) {
+ (void) ia64_sn_set_cpu_number(cpuid);
+ set_cpu0_number = 1;
+ }
+ } else
+ (void) ia64_sn_set_cpu_number(cpuid);
+
/*
* The boot cpu makes this call again after platform initialization is
* complete.
if (ia64_sn_get_prom_feature_set(i, &sn_prom_features[i]) != 0)
break;
- cpuid = smp_processor_id();
cpuphyid = get_sapicid();
if (ia64_sn_get_sapic_info(cpuphyid, &nasid, &subnode, &slice))
SH2_PIO_WRITE_STATUS_1, SH2_PIO_WRITE_STATUS_3};
u64 *pio;
pio = is_shub1() ? pio1 : pio2;
- pda->pio_write_status_addr = (volatile unsigned long *) LOCAL_MMR_ADDR(pio[slice]);
+ pda->pio_write_status_addr =
+ (volatile unsigned long *)GLOBAL_MMR_ADDR(nasid, pio[slice]);
pda->pio_write_status_val = is_shub1() ? SH_PIO_WRITE_STATUS_PENDING_WRITE_COUNT_MASK : 0;
}
* cnode == node for all C & M bricks.
*/
for_each_online_node(node) {
- nasid = pxm_to_nasid(nid_to_pxm_map[node]);
+ nasid = pxm_to_nasid(node_to_pxm(node));
sn_cnodeid_to_nasid[node] = nasid;
physical_node_map[nasid] = node;
}
return 0;
return test_bit(id, sn_prom_features);
}
+
+void
+sn_kernel_launch_event(void)
+{
+ /* ignore status until we understand possible failure, if any*/
+ if (ia64_sn_kernel_launch_event())
+ printk(KERN_ERR "KEXEC is not supported in this PROM, Please update the PROM.\n");
+}
EXPORT_SYMBOL(sn_prom_feature_available);