arch/arm/mach-at91rm9200/at91rm9200.c

   1 /*
   2  * arch/arm/mach-at91rm9200/at91rm9200.c
   3  *
   4  *  Copyright (C) 2005 SAN People
   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 <linux/module.h>
  14
  15 #include <asm/mach/arch.h>
  16 #include <asm/mach/map.h>
  17
  18 #include <asm/hardware.h>
  19 #include "generic.h"
  20
  21 static struct map_desc at91rm9200_io_desc[] __initdata = {
  22         {
  23                 .virtual        = AT91_VA_BASE_SYS,
  24                 .pfn            = __phys_to_pfn(AT91_BASE_SYS),
  25                 .length         = SZ_4K,
  26                 .type           = MT_DEVICE,
  27         }, {
  28                 .virtual        = AT91_VA_BASE_SPI,
  29                 .pfn            = __phys_to_pfn(AT91_BASE_SPI),
  30                 .length         = SZ_16K,
  31                 .type           = MT_DEVICE,
  32         }, {
  33                 .virtual        = AT91_VA_BASE_SSC2,
  34                 .pfn            = __phys_to_pfn(AT91_BASE_SSC2),
  35                 .length         = SZ_16K,
  36                 .type           = MT_DEVICE,
  37         }, {
  38                 .virtual        = AT91_VA_BASE_SSC1,
  39                 .pfn            = __phys_to_pfn(AT91_BASE_SSC1),
  40                 .length         = SZ_16K,
  41                 .type           = MT_DEVICE,
  42         }, {
  43                 .virtual        = AT91_VA_BASE_SSC0,
  44                 .pfn            = __phys_to_pfn(AT91_BASE_SSC0),
  45                 .length         = SZ_16K,
  46                 .type           = MT_DEVICE,
  47         }, {
  48                 .virtual        = AT91_VA_BASE_US3,
  49                 .pfn            = __phys_to_pfn(AT91_BASE_US3),
  50                 .length         = SZ_16K,
  51                 .type           = MT_DEVICE,
  52         }, {
  53                 .virtual        = AT91_VA_BASE_US2,
  54                 .pfn            = __phys_to_pfn(AT91_BASE_US2),
  55                 .length         = SZ_16K,
  56                 .type           = MT_DEVICE,
  57         }, {
  58                 .virtual        = AT91_VA_BASE_US1,
  59                 .pfn            = __phys_to_pfn(AT91_BASE_US1),
  60                 .length         = SZ_16K,
  61                 .type           = MT_DEVICE,
  62         }, {
  63                 .virtual        = AT91_VA_BASE_US0,
  64                 .pfn            = __phys_to_pfn(AT91_BASE_US0),
  65                 .length         = SZ_16K,
  66                 .type           = MT_DEVICE,
  67         }, {
  68                 .virtual        = AT91_VA_BASE_EMAC,
  69                 .pfn            = __phys_to_pfn(AT91_BASE_EMAC),
  70                 .length         = SZ_16K,
  71                 .type           = MT_DEVICE,
  72         }, {
  73                 .virtual        = AT91_VA_BASE_TWI,
  74                 .pfn            = __phys_to_pfn(AT91_BASE_TWI),
  75                 .length         = SZ_16K,
  76                 .type           = MT_DEVICE,
  77         }, {
  78                 .virtual        = AT91_VA_BASE_MCI,
  79                 .pfn            = __phys_to_pfn(AT91_BASE_MCI),
  80                 .length         = SZ_16K,
  81                 .type           = MT_DEVICE,
  82         }, {
  83                 .virtual        = AT91_VA_BASE_UDP,
  84                 .pfn            = __phys_to_pfn(AT91_BASE_UDP),
  85                 .length         = SZ_16K,
  86                 .type           = MT_DEVICE,
  87         }, {
  88                 .virtual        = AT91_VA_BASE_TCB1,
  89                 .pfn            = __phys_to_pfn(AT91_BASE_TCB1),
  90                 .length         = SZ_16K,
  91                 .type           = MT_DEVICE,
  92         }, {
  93                 .virtual        = AT91_VA_BASE_TCB0,
  94                 .pfn            = __phys_to_pfn(AT91_BASE_TCB0),
  95                 .length         = SZ_16K,
  96                 .type           = MT_DEVICE,
  97         }, {
  98                 .virtual        = AT91_SRAM_VIRT_BASE,
  99                 .pfn            = __phys_to_pfn(AT91_SRAM_BASE),
 100                 .length         = AT91_SRAM_SIZE,
 101                 .type           = MT_DEVICE,
 102         },
 103 };
 104
 105 void __init at91rm9200_map_io(void)
 106 {
 107         iotable_init(at91rm9200_io_desc, ARRAY_SIZE(at91rm9200_io_desc));
 108 }
 109
 110 /*
 111  * The default interrupt priority levels (0 = lowest, 7 = highest).
 112  */
 113 static unsigned int at91rm9200_default_irq_priority[NR_AIC_IRQS] __initdata = {
 114         7,      /* Advanced Interrupt Controller (FIQ) */
 115         7,      /* System Peripherals */
 116         0,      /* Parallel IO Controller A */
 117         0,      /* Parallel IO Controller B */
 118         0,      /* Parallel IO Controller C */
 119         0,      /* Parallel IO Controller D */
 120         6,      /* USART 0 */
 121         6,      /* USART 1 */
 122         6,      /* USART 2 */
 123         6,      /* USART 3 */
 124         0,      /* Multimedia Card Interface */
 125         4,      /* USB Device Port */
 126         0,      /* Two-Wire Interface */
 127         6,      /* Serial Peripheral Interface */
 128         5,      /* Serial Synchronous Controller 0 */
 129         5,      /* Serial Synchronous Controller 1 */
 130         5,      /* Serial Synchronous Controller 2 */
 131         0,      /* Timer Counter 0 */
 132         0,      /* Timer Counter 1 */
 133         0,      /* Timer Counter 2 */
 134         0,      /* Timer Counter 3 */
 135         0,      /* Timer Counter 4 */
 136         0,      /* Timer Counter 5 */
 137         3,      /* USB Host port */
 138         3,      /* Ethernet MAC */
 139         0,      /* Advanced Interrupt Controller (IRQ0) */
 140         0,      /* Advanced Interrupt Controller (IRQ1) */
 141         0,      /* Advanced Interrupt Controller (IRQ2) */
 142         0,      /* Advanced Interrupt Controller (IRQ3) */
 143         0,      /* Advanced Interrupt Controller (IRQ4) */
 144         0,      /* Advanced Interrupt Controller (IRQ5) */
 145         0       /* Advanced Interrupt Controller (IRQ6) */
 146 };
 147
 148 void __init at91rm9200_init_irq(unsigned int priority[NR_AIC_IRQS])
 149 {
 150         if (!priority)
 151                 priority = at91rm9200_default_irq_priority;
 152
 153         at91_aic_init(priority);
 154 }