Merge branch 'merge'
[pandora-kernel.git] / arch / powerpc / platforms / 83xx / mpc834x_sys.c
index 7c18b4c..6771961 100644 (file)
@@ -11,7 +11,6 @@
  * option) any later version.
  */
 
-#include <linux/config.h>
 #include <linux/stddef.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
@@ -44,33 +43,6 @@ unsigned long isa_io_base = 0;
 unsigned long isa_mem_base = 0;
 #endif
 
-#ifdef CONFIG_PCI
-static int
-mpc83xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
-{
-       static char pci_irq_table[][4] =
-           /*
-            *      PCI IDSEL/INTPIN->INTLINE
-            *       A      B      C      D
-            */
-       {
-               {PIRQA, PIRQB, PIRQC, PIRQD},   /* idsel 0x11 */
-               {PIRQC, PIRQD, PIRQA, PIRQB},   /* idsel 0x12 */
-               {PIRQD, PIRQA, PIRQB, PIRQC},   /* idsel 0x13 */
-               {0, 0, 0, 0},
-               {PIRQA, PIRQB, PIRQC, PIRQD},   /* idsel 0x15 */
-               {PIRQD, PIRQA, PIRQB, PIRQC},   /* idsel 0x16 */
-               {PIRQC, PIRQD, PIRQA, PIRQB},   /* idsel 0x17 */
-               {PIRQB, PIRQC, PIRQD, PIRQA},   /* idsel 0x18 */
-               {0, 0, 0, 0},                   /* idsel 0x19 */
-               {0, 0, 0, 0},                   /* idsel 0x20 */
-       };
-
-       const long min_idsel = 0x11, max_idsel = 0x20, irqs_per_slot = 4;
-       return PCI_IRQ_TABLE_LOOKUP;
-}
-#endif                         /* CONFIG_PCI */
-
 /* ************************************************************************
  *
  * Setup the architecture
@@ -85,8 +57,8 @@ static void __init mpc834x_sys_setup_arch(void)
 
        np = of_find_node_by_type(NULL, "cpu");
        if (np != 0) {
-               unsigned int *fp =
-                   (int *)get_property(np, "clock-frequency", NULL);
+               const unsigned int *fp =
+                       get_property(np, "clock-frequency", NULL);
                if (fp != 0)
                        loops_per_jiffy = *fp / HZ;
                else
@@ -97,8 +69,6 @@ static void __init mpc834x_sys_setup_arch(void)
        for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
                add_bridge(np);
 
-       ppc_md.pci_swizzle = common_swizzle;
-       ppc_md.pci_map_irq = mpc83xx_map_irq;
        ppc_md.pci_exclude_device = mpc83xx_exclude_device;
 #endif
 
@@ -111,25 +81,13 @@ static void __init mpc834x_sys_setup_arch(void)
 
 void __init mpc834x_sys_init_IRQ(void)
 {
-       u8 senses[8] = {
-               0,                      /* EXT 0 */
-               IRQ_SENSE_LEVEL,        /* EXT 1 */
-               IRQ_SENSE_LEVEL,        /* EXT 2 */
-               0,                      /* EXT 3 */
-#ifdef CONFIG_PCI
-               IRQ_SENSE_LEVEL,        /* EXT 4 */
-               IRQ_SENSE_LEVEL,        /* EXT 5 */
-               IRQ_SENSE_LEVEL,        /* EXT 6 */
-               IRQ_SENSE_LEVEL,        /* EXT 7 */
-#else
-               0,                      /* EXT 4 */
-               0,                      /* EXT 5 */
-               0,                      /* EXT 6 */
-               0,                      /* EXT 7 */
-#endif
-       };
+       struct device_node *np;
+
+       np = of_find_node_by_type(NULL, "ipic");
+       if (!np)
+               return;
 
-       ipic_init(get_immrbase() + 0x00700, 0, 0, senses, 8);
+       ipic_init(np, 0);
 
        /* Initialize the default interrupt mapping priorities,
         * in case the boot rom changed something on us.
@@ -158,25 +116,28 @@ static int __init mpc834x_rtc_hookup(void)
 late_initcall(mpc834x_rtc_hookup);
 #endif
 
-void __init platform_init(void)
+/*
+ * Called very early, MMU is off, device-tree isn't unflattened
+ */
+static int __init mpc834x_sys_probe(void)
 {
-       /* setup the PowerPC module struct */
-       ppc_md.setup_arch = mpc834x_sys_setup_arch;
-
-       ppc_md.init_IRQ = mpc834x_sys_init_IRQ;
-       ppc_md.get_irq = ipic_get_irq;
-
-       ppc_md.restart = mpc83xx_restart;
-
-       ppc_md.time_init = mpc83xx_time_init;
-       ppc_md.set_rtc_time = NULL;
-       ppc_md.get_rtc_time = NULL;
-       ppc_md.calibrate_decr = generic_calibrate_decr;
-
-       ppc_md.progress = udbg_progress;
-
-       if (ppc_md.progress)
-               ppc_md.progress("mpc834x_sys_init(): exit", 0);
-
-       return;
+       /* We always match for now, eventually we should look at the flat
+          dev tree to ensure this is the board we are suppose to run on
+       */
+       return 1;
 }
+
+define_machine(mpc834x_sys) {
+       .name                   = "MPC834x SYS",
+       .probe                  = mpc834x_sys_probe,
+       .setup_arch             = mpc834x_sys_setup_arch,
+       .init_IRQ               = mpc834x_sys_init_IRQ,
+       .get_irq                = ipic_get_irq,
+       .restart                = mpc83xx_restart,
+       .time_init              = mpc83xx_time_init,
+       .calibrate_decr         = generic_calibrate_decr,
+       .progress               = udbg_progress,
+#ifdef CONFIG_PCI
+       .pcibios_fixup          = mpc83xx_pcibios_fixup,
+#endif
+};