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-rw-r--r--arch/mips/rb532/setup.c79
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/mips/rb532/setup.c b/arch/mips/rb532/setup.c
new file mode 100644
index 000000000000..7aafa95ac20b
--- /dev/null
+++ b/arch/mips/rb532/setup.c
@@ -0,0 +1,79 @@
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/rc32434.h>
13#include <asm/mach-rc32434/pci.h>
14
15struct pci_reg __iomem *pci_reg;
16EXPORT_SYMBOL(pci_reg);
17
18static 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
27static void rb_machine_restart(char *command)
28{
29 /* just jump to the reset vector */
30 writel(0x80000001, (void *)KSEG1ADDR(RC32434_REG_BASE + RC32434_RST));
31 ((void (*)(void)) KSEG1ADDR(0x1FC00000u))();
32}
33
34static void rb_machine_halt(void)
35{
36 for (;;)
37 continue;
38}
39
40void __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
69const 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}