]> err.no Git - linux-2.6/blobdiff - arch/ia64/sn/kernel/setup.c
[IA64-SGI] altix: enable vgacon support
[linux-2.6] / arch / ia64 / sn / kernel / setup.c
index d35f2a6f9c948a7dd974758b3b43cd66fa0f6118..3e5ba34ac2efb2607220114253b9b8350e99d9d8 100644 (file)
@@ -3,7 +3,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (C) 1999,2001-2004 Silicon Graphics, Inc. All rights reserved.
+ * Copyright (C) 1999,2001-2005 Silicon Graphics, Inc. All rights reserved.
  */
 
 #include <linux/config.h>
@@ -36,6 +36,7 @@
 #include <asm/machvec.h>
 #include <asm/system.h>
 #include <asm/processor.h>
+#include <asm/vga.h>
 #include <asm/sn/arch.h>
 #include <asm/sn/addrs.h>
 #include <asm/sn/pda.h>
@@ -73,6 +74,12 @@ EXPORT_SYMBOL(sn_rtc_cycles_per_second);
 DEFINE_PER_CPU(struct sn_hub_info_s, __sn_hub_info);
 EXPORT_PER_CPU_SYMBOL(__sn_hub_info);
 
+DEFINE_PER_CPU(short, __sn_cnodeid_to_nasid[MAX_NUMNODES]);
+EXPORT_PER_CPU_SYMBOL(__sn_cnodeid_to_nasid);
+
+DEFINE_PER_CPU(struct nodepda_s *, __sn_nodepda);
+EXPORT_PER_CPU_SYMBOL(__sn_nodepda);
+
 partid_t sn_partid = -1;
 EXPORT_SYMBOL(sn_partid);
 char sn_system_serial_number_string[128];
@@ -216,7 +223,7 @@ void __init early_sn_setup(void)
 
 extern int platform_intr_list[];
 extern nasid_t master_nasid;
-static int shub_1_1_found __initdata;
+static int __initdata shub_1_1_found = 0;
 
 /*
  * sn_check_for_wars
@@ -245,7 +252,7 @@ static void __init sn_check_for_wars(void)
        } else {
                for_each_online_node(cnode) {
                        if (is_shub_1_1(cnodeid_to_nasid(cnode)))
-                               sn_hub_info->shub_1_1_found = 1;
+                               shub_1_1_found = 1;
                }
        }
 }
@@ -265,14 +272,19 @@ void __init sn_setup(char **cmdline_p)
        int major = sn_sal_rev_major(), minor = sn_sal_rev_minor();
        extern void sn_cpu_init(void);
 
+       ia64_sn_plat_set_error_handling_features();
+
+#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE)
        /*
-        * If the generic code has enabled vga console support - lets
-        * get rid of it again. This is a kludge for the fact that ACPI
-        * currtently has no way of informing us if legacy VGA is available
-        * or not.
+        * If there was a primary vga adapter identified through the
+        * EFI PCDP table, make it the preferred console.  Otherwise
+        * zero out conswitchp.
         */
-#if defined(CONFIG_VT) && defined(CONFIG_VGA_CONSOLE)
-       if (conswitchp == &vga_con) {
+
+       if (vga_console_membase) {
+               /* usable vga ... make tty0 the preferred default console */
+               add_preferred_console("tty", 0, NULL);
+       } else {
                printk(KERN_DEBUG "SGI: Disabling VGA console\n");
 #ifdef CONFIG_DUMMY_CONSOLE
                conswitchp = &dummy_con;
@@ -373,11 +385,11 @@ static void __init sn_init_pdas(char **cmdline_p)
 {
        cnodeid_t cnode;
 
-       memset(pda->cnodeid_to_nasid_table, -1,
-              sizeof(pda->cnodeid_to_nasid_table));
+       memset(sn_cnodeid_to_nasid, -1,
+                       sizeof(__ia64_per_cpu_var(__sn_cnodeid_to_nasid)));
        for_each_online_node(cnode)
-               pda->cnodeid_to_nasid_table[cnode] =
-                   pxm_to_nasid(nid_to_pxm_map[cnode]);
+               sn_cnodeid_to_nasid[cnode] =
+                               pxm_to_nasid(nid_to_pxm_map[cnode]);
 
        numionodes = num_online_nodes();
        scan_for_ionodes();
@@ -477,7 +489,8 @@ void __init sn_cpu_init(void)
 
        cnode = nasid_to_cnodeid(nasid);
 
-       pda->p_nodepda = nodepdaindr[cnode];
+       sn_nodepda = nodepdaindr[cnode];
+
        pda->led_address =
            (typeof(pda->led_address)) (LED0 + (slice << LED_CPU_SHIFT));
        pda->led_state = LED_ALWAYS_SET;
@@ -486,15 +499,18 @@ void __init sn_cpu_init(void)
        pda->idle_flag = 0;
 
        if (cpuid != 0) {
-               memcpy(pda->cnodeid_to_nasid_table,
-                      pdacpu(0)->cnodeid_to_nasid_table,
-                      sizeof(pda->cnodeid_to_nasid_table));
+               /* copy cpu 0's sn_cnodeid_to_nasid table to this cpu's */
+               memcpy(sn_cnodeid_to_nasid,
+                      (&per_cpu(__sn_cnodeid_to_nasid, 0)),
+                      sizeof(__ia64_per_cpu_var(__sn_cnodeid_to_nasid)));
        }
 
        /*
         * Check for WARs.
         * Only needs to be done once, on BSP.
-        * Has to be done after loop above, because it uses pda.cnodeid_to_nasid_table[i].
+        * Has to be done after loop above, because it uses this cpu's
+        * sn_cnodeid_to_nasid table which was just initialized if this
+        * isn't cpu 0.
         * Has to be done before assignment below.
         */
        if (!wars_have_been_checked) {
@@ -580,8 +596,7 @@ static void __init scan_for_ionodes(void)
                brd = find_lboard_any(brd, KLTYPE_SNIA);
 
                while (brd) {
-                       pda->cnodeid_to_nasid_table[numionodes] =
-                           brd->brd_nasid;
+                       sn_cnodeid_to_nasid[numionodes] = brd->brd_nasid;
                        physical_node_map[brd->brd_nasid] = numionodes;
                        root_lboard[numionodes] = brd;
                        numionodes++;
@@ -602,8 +617,7 @@ static void __init scan_for_ionodes(void)
                                      root_lboard[nasid_to_cnodeid(nasid)],
                                      KLTYPE_TIO);
                while (brd) {
-                       pda->cnodeid_to_nasid_table[numionodes] =
-                           brd->brd_nasid;
+                       sn_cnodeid_to_nasid[numionodes] = brd->brd_nasid;
                        physical_node_map[brd->brd_nasid] = numionodes;
                        root_lboard[numionodes] = brd;
                        numionodes++;
@@ -614,7 +628,6 @@ static void __init scan_for_ionodes(void)
                        brd = find_lboard_any(brd, KLTYPE_TIO);
                }
        }
-
 }
 
 int
@@ -623,7 +636,8 @@ nasid_slice_to_cpuid(int nasid, int slice)
        long cpu;
        
        for (cpu=0; cpu < NR_CPUS; cpu++) 
-               if (nodepda->phys_cpuid[cpu].nasid == nasid && nodepda->phys_cpuid[cpu].slice == slice)
+               if (cpuid_to_nasid(cpu) == nasid &&
+                                       cpuid_to_slice(cpu) == slice)
                        return cpu;
 
        return -1;