Merge branch 'sh/for-2.6.30' of git://git.kernel.org/pub/scm/linux/kernel/git/lethal...
[linux-2.6] / arch / mips / rb532 / setup.c
1 /*
2  * setup.c - boot time setup code
3  */
4
5 #include <linux/init.h>
6
7 #include <asm/bootinfo.h>
8 #include <asm/reboot.h>
9 #include <asm/time.h>
10 #include <linux/ioport.h>
11
12 #include <asm/mach-rc32434/rb.h>
13 #include <asm/mach-rc32434/pci.h>
14
15 struct pci_reg __iomem *pci_reg;
16 EXPORT_SYMBOL(pci_reg);
17
18 static struct resource pci0_res[] = {
19         {
20                 .name = "pci_reg0",
21                 .start = PCI0_BASE_ADDR,
22                 .end = PCI0_BASE_ADDR + sizeof(struct pci_reg),
23                 .flags = IORESOURCE_MEM,
24         }
25 };
26
27 static void rb_machine_restart(char *command)
28 {
29         /* just jump to the reset vector */
30         writel(0x80000001, IDT434_REG_BASE + RST);
31         ((void (*)(void)) KSEG1ADDR(0x1FC00000u))();
32 }
33
34 static void rb_machine_halt(void)
35 {
36         for (;;)
37                 continue;
38 }
39
40 void __init plat_mem_setup(void)
41 {
42         u32 val;
43
44         _machine_restart = rb_machine_restart;
45         _machine_halt = rb_machine_halt;
46         pm_power_off = rb_machine_halt;
47
48         set_io_port_base(KSEG1);
49
50         pci_reg = ioremap_nocache(pci0_res[0].start,
51                                 pci0_res[0].end - pci0_res[0].start);
52         if (!pci_reg) {
53                 printk(KERN_ERR "Could not remap PCI registers\n");
54                 return;
55         }
56
57         val = __raw_readl(&pci_reg->pcic);
58         val &= 0xFFFFFF7;
59         __raw_writel(val, (void *)&pci_reg->pcic);
60
61 #ifdef CONFIG_PCI
62         /* Enable PCI interrupts in EPLD Mask register */
63         *epld_mask = 0x0;
64         *(epld_mask + 1) = 0x0;
65 #endif
66         write_c0_wired(0);
67 }
68
69 const char *get_system_type(void)
70 {
71         switch (mips_machtype) {
72         case MACH_MIKROTIK_RB532A:
73                 return "Mikrotik RB532A";
74                 break;
75         default:
76                 return "Mikrotik RB532";
77                 break;
78         }
79 }