arch/arm/mach-sa1100/nanoengine.c

   1 /*
   2  * linux/arch/arm/mach-sa1100/nanoengine.c
   3  */
   4
   5 #include <linux/init.h>
   6 #include <linux/kernel.h>
   7 #include <linux/tty.h>
   8
   9 #include <asm/hardware.h>
  10 #include <asm/setup.h>
  11
  12 #include <asm/mach/arch.h>
  13 #include <asm/mach/map.h>
  14 #include <asm/mach/serial_sa1100.h>
  15
  16 #include "generic.h"
  17
  18 static void __init
  19 fixup_nanoengine(struct machine_desc *desc, struct tag *tags,
  20                  char **cmdline, struct meminfo *mi)
  21 {
  22         /* Get command line parameters passed from the loader (if any) */
  23         if (*((char*)0xc0000100))
  24                 *cmdline = ((char *)0xc0000100);
  25 }
  26
  27 static struct map_desc nanoengine_io_desc[] __initdata = {
  28  /* virtual     physical    length      type */
  29   { 0xf0000000, 0x10000000, 0x00100000, MT_DEVICE }, /* System Registers */
  30   { 0xf1000000, 0x18A00000, 0x00100000, MT_DEVICE }  /* Internal PCI Config Space */
  31 };
  32
  33 static void __init nanoengine_map_io(void)
  34 {
  35         sa1100_map_io();
  36         iotable_init(nanoengine_io_desc, ARRAY_SIZE(nanoengine_io_desc));
  37
  38         sa1100_register_uart(0, 1);
  39         sa1100_register_uart(1, 2);
  40         sa1100_register_uart(2, 3);
  41         Ser1SDCR0 |= SDCR0_UART;
  42         /* disable IRDA -- UART2 is used as a normal serial port */
  43         Ser2UTCR4=0;
  44         Ser2HSCR0 = 0;
  45 }
  46
  47 MACHINE_START(NANOENGINE, "BSE nanoEngine")
  48         BOOT_MEM(0xc0000000, 0x80000000, 0xf8000000)
  49         FIXUP(fixup_nanoengine)
  50         MAPIO(nanoengine_map_io)
  51         INITIRQ(sa1100_init_irq)
  52         INITTIME(sa1100_init_time)
  53 MACHINE_END