[POWERPC] Platforms shouldn't mess with ROOT_DEV

[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / powerpc / platforms / 52xx / efika.c

diff --git a/arch/powerpc/platforms/52xx/efika.c b/arch/powerpc/platforms/52xx/efika.c
index a6bba97..0b1e60a 100644 (file)
--- a/arch/powerpc/platforms/52xx/efika.c
+++ b/arch/powerpc/platforms/52xx/efika.c
@@ -54,7 +54,7 @@ static int rtas_read_config(struct pci_bus *bus, unsigned int devfn, int offset,
        struct pci_controller *hose = bus->sysdata;
        unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8)
            | (((bus->number - hose->first_busno) & 0xff) << 16)
-           | (hose->index << 24);
+           | (hose->global_number << 24);
        int ret = -1;
        int rval;
 
@@ -69,7 +69,7 @@ static int rtas_write_config(struct pci_bus *bus, unsigned int devfn,
        struct pci_controller *hose = bus->sysdata;
        unsigned long addr = (offset & 0xff) | ((devfn & 0xff) << 8)
            | (((bus->number - hose->first_busno) & 0xff) << 16)
-           | (hose->index << 24);
+           | (hose->global_number << 24);
        int rval;
 
        rval = rtas_call(rtas_token("write-pci-config"), 3, 1, NULL,
@@ -78,12 +78,12 @@ static int rtas_write_config(struct pci_bus *bus, unsigned int devfn,
 }
 
 static struct pci_ops rtas_pci_ops = {
-       rtas_read_config,
-       rtas_write_config
+       .read = rtas_read_config,
+       .write = rtas_write_config,
 };
 
 
-void __init efika_pcisetup(void)
+static void __init efika_pcisetup(void)
 {
        const int *bus_range;
        int len;
@@ -128,7 +128,7 @@ void __init efika_pcisetup(void)
        printk(" controlled by %s\n", pcictrl->full_name);
        printk("\n");
 
-       hose = pcibios_alloc_controller();
+       hose = pcibios_alloc_controller(of_node_get(pcictrl));
        if (!hose) {
                printk(KERN_WARNING EFIKA_PLATFORM_NAME
                       ": Can't allocate PCI controller structure for %s\n",
@@ -136,7 +136,6 @@ void __init efika_pcisetup(void)
                return;
        }
 
-       hose->arch_data = of_node_get(pcictrl);
        hose->first_busno = bus_range[0];
        hose->last_busno = bus_range[1];
        hose->ops = &rtas_pci_ops;
@@ -145,7 +144,7 @@ void __init efika_pcisetup(void)
 }
 
 #else
-void __init efika_pcisetup(void)
+static void __init efika_pcisetup(void)
 {}
 #endif
 
@@ -184,20 +183,26 @@ static void efika_show_cpuinfo(struct seq_file *m)
        of_node_put(root);
 }
 
+#ifdef CONFIG_PM
+static void efika_suspend_prepare(void __iomem *mbar)
+{
+       u8 pin = 4;     /* GPIO_WKUP_4 (GPIO_PSC6_0 - IRDA_RX) */
+       u8 level = 1;   /* wakeup on high level */
+       /* IOW. to wake it up, short pins 1 and 3 on IRDA connector */
+       mpc52xx_set_wakeup_gpio(pin, level);
+}
+#endif
+
 static void __init efika_setup_arch(void)
 {
        rtas_initialize();
 
-#ifdef CONFIG_BLK_DEV_INITRD
-       initrd_below_start_ok = 1;
+       efika_pcisetup();
 
-       if (initrd_start)
-               ROOT_DEV = Root_RAM0;
-       else
+#ifdef CONFIG_PM
+       mpc52xx_suspend.board_suspend_prepare = efika_suspend_prepare;
+       mpc52xx_pm_init();
 #endif
-               ROOT_DEV = Root_SDA2;   /* sda2 (sda1 is for the kernel) */
-
-       efika_pcisetup();
 
        if (ppc_md.progress)
                ppc_md.progress("Linux/PPC " UTS_RELEASE " running on Efika ;-)\n", 0x0);
@@ -237,6 +242,8 @@ define_machine(efika)
        .progress               = rtas_progress,
        .get_boot_time          = rtas_get_boot_time,
        .calibrate_decr         = generic_calibrate_decr,
+#ifdef CONFIG_PCI
        .phys_mem_access_prot   = pci_phys_mem_access_prot,
+#endif
 };