Commit | Line | Data |
---|---|---|
b2441318 | 1 | // SPDX-License-Identifier: GPL-2.0 |
73b4390f RB |
2 | /* |
3 | * setup.c - boot time setup code | |
4 | */ | |
5 | ||
6 | #include <linux/init.h> | |
cae39d13 | 7 | #include <linux/export.h> |
73b4390f RB |
8 | |
9 | #include <asm/bootinfo.h> | |
10 | #include <asm/reboot.h> | |
11 | #include <asm/time.h> | |
12 | #include <linux/ioport.h> | |
13 | ||
606a083b | 14 | #include <asm/mach-rc32434/rb.h> |
73b4390f RB |
15 | #include <asm/mach-rc32434/pci.h> |
16 | ||
17 | struct pci_reg __iomem *pci_reg; | |
18 | EXPORT_SYMBOL(pci_reg); | |
19 | ||
20 | static struct resource pci0_res[] = { | |
21 | { | |
22 | .name = "pci_reg0", | |
23 | .start = PCI0_BASE_ADDR, | |
24 | .end = PCI0_BASE_ADDR + sizeof(struct pci_reg), | |
25 | .flags = IORESOURCE_MEM, | |
26 | } | |
27 | }; | |
28 | ||
29 | static void rb_machine_restart(char *command) | |
30 | { | |
31 | /* just jump to the reset vector */ | |
606a083b | 32 | writel(0x80000001, IDT434_REG_BASE + RST); |
73b4390f RB |
33 | ((void (*)(void)) KSEG1ADDR(0x1FC00000u))(); |
34 | } | |
35 | ||
36 | static void rb_machine_halt(void) | |
37 | { | |
38 | for (;;) | |
39 | continue; | |
40 | } | |
41 | ||
42 | void __init plat_mem_setup(void) | |
43 | { | |
44 | u32 val; | |
45 | ||
46 | _machine_restart = rb_machine_restart; | |
47 | _machine_halt = rb_machine_halt; | |
48 | pm_power_off = rb_machine_halt; | |
49 | ||
50 | set_io_port_base(KSEG1); | |
51 | ||
52 | pci_reg = ioremap_nocache(pci0_res[0].start, | |
53 | pci0_res[0].end - pci0_res[0].start); | |
54 | if (!pci_reg) { | |
55 | printk(KERN_ERR "Could not remap PCI registers\n"); | |
56 | return; | |
57 | } | |
58 | ||
59 | val = __raw_readl(&pci_reg->pcic); | |
60 | val &= 0xFFFFFF7; | |
61 | __raw_writel(val, (void *)&pci_reg->pcic); | |
62 | ||
63 | #ifdef CONFIG_PCI | |
64 | /* Enable PCI interrupts in EPLD Mask register */ | |
65 | *epld_mask = 0x0; | |
66 | *(epld_mask + 1) = 0x0; | |
67 | #endif | |
68 | write_c0_wired(0); | |
69 | } | |
70 | ||
71 | const char *get_system_type(void) | |
72 | { | |
73 | switch (mips_machtype) { | |
74 | case MACH_MIKROTIK_RB532A: | |
75 | return "Mikrotik RB532A"; | |
76 | break; | |
77 | default: | |
78 | return "Mikrotik RB532"; | |
79 | break; | |
80 | } | |
81 | } |