[MIPS] TXx9: Make tx4938-specific code more independent

[linux-2.6-omap-h63xx.git] / arch / mips / txx9 / generic / setup.c

diff --git a/arch/mips/txx9/generic/setup.c b/arch/mips/txx9/generic/setup.c
index 8c60c78b9a9e0506d2eb3307e6bbda8e1dbef710..b136c6692a5fcf5f3db23d84efa2db6e0ee2abf2 100644 (file)
--- a/arch/mips/txx9/generic/setup.c
+++ b/arch/mips/txx9/generic/setup.c
@@ -20,9 +20,12 @@
 #include <linux/clk.h>
 #include <linux/err.h>
 #include <linux/gpio.h>
+#include <linux/platform_device.h>
 #include <asm/bootinfo.h>
 #include <asm/time.h>
+#include <asm/reboot.h>
 #include <asm/txx9/generic.h>
+#include <asm/txx9/pci.h>
 #ifdef CONFIG_CPU_TX49XX
 #include <asm/txx9/tx4938.h>
 #endif
@@ -187,6 +190,63 @@ char * __init prom_getcmdline(void)
        return &(arcs_cmdline[0]);
 }
 
+static void __noreturn txx9_machine_halt(void)
+{
+       local_irq_disable();
+       clear_c0_status(ST0_IM);
+       while (1) {
+               if (cpu_wait) {
+                       (*cpu_wait)();
+                       if (cpu_has_counter) {
+                               /*
+                                * Clear counter interrupt while it
+                                * breaks WAIT instruction even if
+                                * masked.
+                                */
+                               write_c0_compare(0);
+                       }
+               }
+       }
+}
+
+/* Watchdog support */
+void __init txx9_wdt_init(unsigned long base)
+{
+       struct resource res = {
+               .start  = base,
+               .end    = base + 0x100 - 1,
+               .flags  = IORESOURCE_MEM,
+       };
+       platform_device_register_simple("txx9wdt", -1, &res, 1);
+}
+
+/* SPI support */
+void __init txx9_spi_init(int busid, unsigned long base, int irq)
+{
+       struct resource res[] = {
+               {
+                       .start  = base,
+                       .end    = base + 0x20 - 1,
+                       .flags  = IORESOURCE_MEM,
+               }, {
+                       .start  = irq,
+                       .flags  = IORESOURCE_IRQ,
+               },
+       };
+       platform_device_register_simple("spi_txx9", busid,
+                                       res, ARRAY_SIZE(res));
+}
+
+void __init txx9_ethaddr_init(unsigned int id, unsigned char *ethaddr)
+{
+       struct platform_device *pdev =
+               platform_device_alloc("tc35815-mac", id);
+       if (!pdev ||
+           platform_device_add_data(pdev, ethaddr, 6) ||
+           platform_device_add(pdev))
+               platform_device_put(pdev);
+}
+
 /* wrappers */
 void __init plat_mem_setup(void)
 {
@@ -194,6 +254,15 @@ void __init plat_mem_setup(void)
        ioport_resource.end = ~0UL;     /* no limit */
        iomem_resource.start = 0;
        iomem_resource.end = ~0UL;      /* no limit */
+
+       /* fallback restart/halt routines */
+       _machine_restart = (void (*)(char *))txx9_machine_halt;
+       _machine_halt = txx9_machine_halt;
+       pm_power_off = txx9_machine_halt;
+
+#ifdef CONFIG_PCI
+       pcibios_plat_setup = txx9_pcibios_setup;
+#endif
        txx9_board_vec->mem_setup();
 }