arch/arm/mach-versatile/versatile_pb.c

   1 /*
   2  *  linux/arch/arm/mach-versatile/versatile_pb.c
   3  *
   4  *  Copyright (C) 2004 ARM Limited
   5  *  Copyright (C) 2000 Deep Blue Solutions Ltd
   6  *
   7  * This program is free software; you can redistribute it and/or modify
   8  * it under the terms of the GNU General Public License as published by
   9  * the Free Software Foundation; either version 2 of the License, or
  10  * (at your option) any later version.
  11  *
  12  * This program is distributed in the hope that it will be useful,
  13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  * GNU General Public License for more details.
  16  *
  17  * You should have received a copy of the GNU General Public License
  18  * along with this program; if not, write to the Free Software
  19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  20  */
  21
  22 #include <linux/init.h>
  23 #include <linux/device.h>
  24 #include <linux/amba/bus.h>
  25 #include <linux/amba/pl061.h>
  26 #include <linux/amba/mmci.h>
  27 #include <linux/io.h>
  28
  29 #include <mach/hardware.h>
  30 #include <asm/irq.h>
  31 #include <asm/mach-types.h>
  32
  33 #include <asm/mach/arch.h>
  34
  35 #include "core.h"
  36
  37 #if 1
  38 #define IRQ_MMCI1A      IRQ_VICSOURCE23
  39 #else
  40 #define IRQ_MMCI1A      IRQ_SIC_MMCI1A
  41 #endif
  42
  43 static struct mmci_platform_data mmc1_plat_data = {
  44         .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
  45         .status         = mmc_status,
  46         .gpio_wp        = -1,
  47         .gpio_cd        = -1,
  48 };
  49
  50 static struct pl061_platform_data gpio2_plat_data = {
  51         .gpio_base      = 16,
  52         .irq_base       = IRQ_GPIO2_START,
  53 };
  54
  55 static struct pl061_platform_data gpio3_plat_data = {
  56         .gpio_base      = 24,
  57         .irq_base       = IRQ_GPIO3_START,
  58 };
  59
  60 #define UART3_IRQ       { IRQ_SIC_UART3 }
  61 #define SCI1_IRQ        { IRQ_SIC_SCI3 }
  62 #define MMCI1_IRQ       { IRQ_MMCI1A, IRQ_SIC_MMCI1B }
  63
  64 /*
  65  * These devices are connected via the core APB bridge
  66  */
  67 #define GPIO2_IRQ       { IRQ_GPIOINT2 }
  68 #define GPIO3_IRQ       { IRQ_GPIOINT3 }
  69
  70 /*
  71  * These devices are connected via the DMA APB bridge
  72  */
  73
  74 /* FPGA Primecells */
  75 APB_DEVICE(uart3, "fpga:09", UART3,    NULL);
  76 APB_DEVICE(sci1,  "fpga:0a", SCI1,     NULL);
  77 APB_DEVICE(mmc1,  "fpga:0b", MMCI1,    &mmc1_plat_data);
  78
  79 /* DevChip Primecells */
  80 APB_DEVICE(gpio2, "dev:e6",  GPIO2,    &gpio2_plat_data);
  81 APB_DEVICE(gpio3, "dev:e7",  GPIO3,    &gpio3_plat_data);
  82
  83 static struct amba_device *amba_devs[] __initdata = {
  84         &uart3_device,
  85         &gpio2_device,
  86         &gpio3_device,
  87         &sci1_device,
  88         &mmc1_device,
  89 };
  90
  91 static void __init versatile_pb_init(void)
  92 {
  93         int i;
  94
  95         versatile_init();
  96
  97         for (i = 0; i < ARRAY_SIZE(amba_devs); i++) {
  98                 struct amba_device *d = amba_devs[i];
  99                 amba_device_register(d, &iomem_resource);
 100         }
 101 }
 102
 103 MACHINE_START(VERSATILE_PB, "ARM-Versatile PB")
 104         /* Maintainer: ARM Ltd/Deep Blue Solutions Ltd */
 105         .atag_offset    = 0x100,
 106         .map_io         = versatile_map_io,
 107         .init_early     = versatile_init_early,
 108         .init_irq       = versatile_init_irq,
 109         .init_time      = versatile_timer_init,
 110         .init_machine   = versatile_pb_init,
 111         .restart        = versatile_restart,
 112 MACHINE_END