Merge with /shiny/git/linux-2.6/.git

[karo-tx-linux.git] / arch / ia64 / sn / kernel / setup.c

diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index 4fb44984afe61198a5f3c4c62795a6ced91eb265..7c7fe441d62371ec513365bd89814397e0888b2e 100644 (file)
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c
@@ -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>
@@ -95,6 +96,7 @@ u8 sn_coherency_id;
 EXPORT_SYMBOL(sn_coherency_id);
 u8 sn_region_size;
 EXPORT_SYMBOL(sn_region_size);
+int sn_prom_type;      /* 0=hardware, 1=medusa/realprom, 2=medusa/fakeprom */
 
 short physical_node_map[MAX_PHYSNODE_ID];
 
@@ -222,7 +224,7 @@ 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
@@ -251,7 +253,7 @@ 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;
                }
        }
 }
@@ -268,17 +270,22 @@ void __init sn_setup(char **cmdline_p)
 {
        long status, ticks_per_sec, drift;
        int pxm;
-       int major = sn_sal_rev_major(), minor = sn_sal_rev_minor();
+       u32 version = sn_sal_rev();
        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;
@@ -301,22 +308,21 @@ void __init sn_setup(char **cmdline_p)
         * support here so we don't have to listen to failed keyboard probe
         * messages.
         */
-       if ((major < 2 || (major == 2 && minor <= 9)) &&
-           acpi_kbd_controller_present) {
+       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", major, minor);
+       printk("SGI SAL version %x.%02x\n", version >> 8, version & 0x00FF);
 
        /*
         * Confirm the SAL we're running on is recent enough...
         */
-       if ((major < SN_SAL_MIN_MAJOR) || (major == SN_SAL_MIN_MAJOR &&
-                                          minor < SN_SAL_MIN_MINOR)) {
+       if (version < SN_SAL_MIN_VERSION) {
                printk(KERN_ERR "This kernel needs SGI SAL version >= "
-                      "%x.%02x\n", SN_SAL_MIN_MAJOR, SN_SAL_MIN_MINOR);
+                      "%x.%02x\n", SN_SAL_MIN_VERSION >> 8,
+                       SN_SAL_MIN_VERSION & 0x00FF);
                panic("PROM version too old\n");
        }
 
@@ -348,7 +354,7 @@ void __init sn_setup(char **cmdline_p)
 
        ia64_mark_idle = &snidle;
 
-       /* 
+       /*
         * For the bootcpu, we do this here. All other cpus will make the
         * call as part of cpu_init in slave cpu initialization.
         */
@@ -395,7 +401,7 @@ static void __init sn_init_pdas(char **cmdline_p)
                nodepdaindr[cnode] =
                    alloc_bootmem_node(NODE_DATA(cnode), sizeof(nodepda_t));
                memset(nodepdaindr[cnode], 0, sizeof(nodepda_t));
-               memset(nodepdaindr[cnode]->phys_cpuid, -1, 
+               memset(nodepdaindr[cnode]->phys_cpuid, -1,
                    sizeof(nodepdaindr[cnode]->phys_cpuid));
        }
 
@@ -425,7 +431,7 @@ static void __init sn_init_pdas(char **cmdline_p)
        }
 
        /*
-        * Initialize the per node hubdev.  This includes IO Nodes and 
+        * Initialize the per node hubdev.  This includes IO Nodes and
         * headless/memless nodes.
         */
        for (cnode = 0; cnode < numionodes; cnode++) {
@@ -453,6 +459,14 @@ void __init sn_cpu_init(void)
        int i;
        static int wars_have_been_checked;
 
+       if (smp_processor_id() == 0 && IS_MEDUSA()) {
+               if (ia64_sn_is_fake_prom())
+                       sn_prom_type = 2;
+               else
+                       sn_prom_type = 1;
+               printk("Running on medusa with %s PROM\n", (sn_prom_type == 1) ? "real" : "fake");
+       }
+
        memset(pda, 0, sizeof(pda));
        if (ia64_sn_get_sn_info(0, &sn_hub_info->shub2, &sn_hub_info->nasid_bitmask, &sn_hub_info->nasid_shift,
                                &sn_system_size, &sn_sharing_domain_size, &sn_partition_id,
@@ -518,7 +532,7 @@ void __init sn_cpu_init(void)
         */
        {
                u64 pio1[] = {SH1_PIO_WRITE_STATUS_0, 0, SH1_PIO_WRITE_STATUS_1, 0};
-               u64 pio2[] = {SH2_PIO_WRITE_STATUS_0, SH2_PIO_WRITE_STATUS_1, 
+               u64 pio2[] = {SH2_PIO_WRITE_STATUS_0, SH2_PIO_WRITE_STATUS_1,
                        SH2_PIO_WRITE_STATUS_2, SH2_PIO_WRITE_STATUS_3};
                u64 *pio;
                pio = is_shub1() ? pio1 : pio2;
@@ -550,6 +564,10 @@ static void __init scan_for_ionodes(void)
        int nasid = 0;
        lboard_t *brd;
 
+       /* fakeprom does not support klgraph */
+       if (IS_RUNNING_ON_FAKE_PROM())
+               return;
+
        /* Setup ionodes with memory */
        for (nasid = 0; nasid < MAX_PHYSNODE_ID; nasid += 2) {
                char *klgraph_header;
@@ -561,8 +579,6 @@ static void __init scan_for_ionodes(void)
                cnodeid = -1;
                klgraph_header = __va(ia64_sn_get_klconfig_addr(nasid));
                if (!klgraph_header) {
-                       if (IS_RUNNING_ON_SIMULATOR())
-                               continue;
                        BUG();  /* All nodes must have klconfig tables! */
                }
                cnodeid = nasid_to_cnodeid(nasid);
@@ -628,8 +644,8 @@ int
 nasid_slice_to_cpuid(int nasid, int slice)
 {
        long cpu;
-       
-       for (cpu=0; cpu < NR_CPUS; cpu++) 
+
+       for (cpu=0; cpu < NR_CPUS; cpu++)
                if (cpuid_to_nasid(cpu) == nasid &&
                                        cpuid_to_slice(cpu) == slice)
                        return cpu;