Ralf Baechle | 73b4390 | 2008-07-16 16:12:25 +0100 | [diff] [blame^] | 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 | } |