Commit | Line | Data |
---|---|---|
73b4390f RB |
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 | ||
606a083b | 12 | #include <asm/mach-rc32434/rb.h> |
73b4390f RB |
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 */ | |
606a083b | 30 | writel(0x80000001, IDT434_REG_BASE + RST); |
73b4390f RB |
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 | } |