diff options
Diffstat (limited to 'arch/mips/rb532/setup.c')
-rw-r--r-- | arch/mips/rb532/setup.c | 79 |
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 | |||
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, (void *)KSEG1ADDR(RC32434_REG_BASE + RC32434_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 | } | ||