Eric Lee / smarc-fsl-linux-kernel

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arch/mips/rb532/setup.c 1.47 KB
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73b4390fb   Ralf Baechle   [MIPS] Routerboar... 
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  /*
   * setup.c - boot time setup code
   */
  
  #include <linux/init.h>
cae39d138   Paul Gortmaker   mips: add export.... 
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  #include <linux/export.h>
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  #include <asm/bootinfo.h>
  #include <asm/reboot.h>
  #include <asm/time.h>
  #include <linux/ioport.h>
606a083b1   Florian Fainelli   MIPS: RB532: Clea... 
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  #include <asm/mach-rc32434/rb.h>
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  #include <asm/mach-rc32434/pci.h>
  
  struct pci_reg __iomem *pci_reg;
  EXPORT_SYMBOL(pci_reg);
  
  static struct resource pci0_res[] = {
  	{
  		.name = "pci_reg0",
  		.start = PCI0_BASE_ADDR,
  		.end = PCI0_BASE_ADDR + sizeof(struct pci_reg),
  		.flags = IORESOURCE_MEM,
  	}
  };
  
  static void rb_machine_restart(char *command)
  {
  	/* just jump to the reset vector */
606a083b1   Florian Fainelli   MIPS: RB532: Clea... 
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  	writel(0x80000001, IDT434_REG_BASE + RST);
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  	((void (*)(void)) KSEG1ADDR(0x1FC00000u))();
  }
  
  static void rb_machine_halt(void)
  {
  	for (;;)
  		continue;
  }
  
  void __init plat_mem_setup(void)
  {
  	u32 val;
  
  	_machine_restart = rb_machine_restart;
  	_machine_halt = rb_machine_halt;
  	pm_power_off = rb_machine_halt;
  
  	set_io_port_base(KSEG1);
  
  	pci_reg = ioremap_nocache(pci0_res[0].start,
  				pci0_res[0].end - pci0_res[0].start);
  	if (!pci_reg) {
  		printk(KERN_ERR "Could not remap PCI registers
  ");
  		return;
  	}
  
  	val = __raw_readl(&pci_reg->pcic);
  	val &= 0xFFFFFF7;
  	__raw_writel(val, (void *)&pci_reg->pcic);
  
  #ifdef CONFIG_PCI
  	/* Enable PCI interrupts in EPLD Mask register */
  	*epld_mask = 0x0;
  	*(epld_mask + 1) = 0x0;
  #endif
  	write_c0_wired(0);
  }
  
  const char *get_system_type(void)
  {
  	switch (mips_machtype) {
  	case MACH_MIKROTIK_RB532A:
  		return "Mikrotik RB532A";
  		break;
  	default:
  		return "Mikrotik RB532";
  		break;
  	}
  }