arch/arm/mach-at91/at91sam9g45.c

   1 /*
   2  *  Chip-specific setup code for the AT91SAM9G45 family
   3  *
   4  *  Copyright (C) 2009 Atmel Corporation.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 2 of the License, or
   9  * (at your option) any later version.
  10  *
  11  */
  12
  13 #include <asm/system_misc.h>
  14 #include <asm/irq.h>
  15 #include <mach/cpu.h>
  16 #include <mach/hardware.h>
  17
  18 #include "soc.h"
  19 #include "generic.h"
  20
  21 /* --------------------------------------------------------------------
  22  *  AT91SAM9G45 processor initialization
  23  * -------------------------------------------------------------------- */
  24
  25 static void __init at91sam9g45_map_io(void)
  26 {
  27         at91_init_sram(0, AT91SAM9G45_SRAM_BASE, AT91SAM9G45_SRAM_SIZE);
  28 }
  29
  30 static void __init at91sam9g45_initialize(void)
  31 {
  32         arm_pm_idle = at91sam9_idle;
  33
  34         at91_sysirq_mask_rtc(AT91SAM9G45_BASE_RTC);
  35         at91_sysirq_mask_rtt(AT91SAM9G45_BASE_RTT);
  36 }
  37
  38 static void __init at91sam9g45_init_time(void)
  39 {
  40         at91sam926x_pit_init(NR_IRQS_LEGACY + AT91_ID_SYS);
  41 }
  42
  43 AT91_SOC_START(at91sam9g45)
  44         .map_io = at91sam9g45_map_io,
  45         .init = at91sam9g45_initialize,
  46         .init_time = at91sam9g45_init_time,
  47 AT91_SOC_END