LXR linux/arch/mips/rb532/setup.c

   1/*
   2 * setup.c - boot time setup code
   3 */
   4
   5#include <linux/init.h>
   6#include <linux/export.h>
   7
   8#include <asm/bootinfo.h>
   9#include <asm/reboot.h>
  10#include <asm/time.h>
  11#include <linux/ioport.h>
  12
  13#include <asm/mach-rc32434/rb.h>
  14#include <asm/mach-rc32434/pci.h>
  15
  16struct pci_reg __iomem *pci_reg;
  17EXPORT_SYMBOL(pci_reg);
  18
  19static struct resource pci0_res[] = {
  20        {
  21                .name = "pci_reg0",
  22                .start = PCI0_BASE_ADDR,
  23                .end = PCI0_BASE_ADDR + sizeof(struct pci_reg),
  24                .flags = IORESOURCE_MEM,
  25        }
  26};
  27
  28static void rb_machine_restart(char *command)
  29{
  30        /* just jump to the reset vector */
  31        writel(0x80000001, IDT434_REG_BASE + RST);
  32        ((void (*)(void)) KSEG1ADDR(0x1FC00000u))();
  33}
  34
  35static void rb_machine_halt(void)
  36{
  37        for (;;)
  38                continue;
  39}
  40
  41void __init plat_mem_setup(void)
  42{
  43        u32 val;
  44
  45        _machine_restart = rb_machine_restart;
  46        _machine_halt = rb_machine_halt;
  47        pm_power_off = rb_machine_halt;
  48
  49        set_io_port_base(KSEG1);
  50
  51        pci_reg = ioremap_nocache(pci0_res[0].start,
  52                                pci0_res[0].end - pci0_res[0].start);
  53        if (!pci_reg) {
  54                printk(KERN_ERR "Could not remap PCI registers\n");
  55                return;
  56        }
  57
  58        val = __raw_readl(&pci_reg->pcic);
  59        val &= 0xFFFFFF7;
  60        __raw_writel(val, (void *)&pci_reg->pcic);
  61
  62#ifdef CONFIG_PCI
  63        /* Enable PCI interrupts in EPLD Mask register */
  64        *epld_mask = 0x0;
  65        *(epld_mask + 1) = 0x0;
  66#endif
  67        write_c0_wired(0);
  68}
  69
  70const char *get_system_type(void)
  71{
  72        switch (mips_machtype) {
  73        case MACH_MIKROTIK_RB532A:
  74                return "Mikrotik RB532A";
  75                break;
  76        default:
  77                return "Mikrotik RB532";
  78                break;
  79        }
  80}
  81