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