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