arch/arm/mach-pxa/saar.c

   1 /*
   2  *  linux/arch/arm/mach-pxa/saar.c
   3  *
   4  *  Support for the Marvell PXA930 Handheld Platform (aka SAAR)
   5  *
   6  *  Copyright (C) 2007-2008 Marvell International Ltd.
   7  *
   8  *  This program is free software; you can redistribute it and/or modify
   9  *  it under the terms of the GNU General Public License version 2 as
  10  *  publishhed by the Free Software Foundation.
  11  */
  12
  13 #include <linux/module.h>
  14 #include <linux/kernel.h>
  15 #include <linux/interrupt.h>
  16 #include <linux/init.h>
  17 #include <linux/platform_device.h>
  18 #include <linux/clk.h>
  19 #include <linux/gpio.h>
  20 #include <linux/smc91x.h>
  21
  22 #include <asm/mach-types.h>
  23 #include <asm/mach/arch.h>
  24 #include <asm/hardware.h>
  25 #include <asm/arch/pxa3xx-regs.h>
  26 #include <asm/arch/mfp-pxa930.h>
  27
  28 #include "devices.h"
  29 #include "generic.h"
  30
  31 /* SAAR MFP configurations */
  32 static mfp_cfg_t saar_mfp_cfg[] __initdata = {
  33         /* Ethernet */
  34         DF_nCS1_nCS3,
  35         GPIO97_GPIO,
  36 };
  37
  38 #define SAAR_ETH_PHYS   (0x14000000)
  39
  40 static struct resource smc91x_resources[] = {
  41         [0] = {
  42                 .start  = (SAAR_ETH_PHYS + 0x300),
  43                 .end    = (SAAR_ETH_PHYS + 0xfffff),
  44                 .flags  = IORESOURCE_MEM,
  45         },
  46         [1] = {
  47                 .start  = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO97)),
  48                 .end    = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO97)),
  49                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
  50         }
  51 };
  52
  53 static struct smc91x_platdata saar_smc91x_info = {
  54         .flags  = SMC91X_USE_16BIT | SMC91X_NOWAIT | SMC91X_USE_DMA,
  55 };
  56
  57 static struct platform_device smc91x_device = {
  58         .name           = "smc91x",
  59         .id             = 0,
  60         .num_resources  = ARRAY_SIZE(smc91x_resources),
  61         .resource       = smc91x_resources,
  62         .dev            = {
  63                 .platform_data = &saar_smc91x_info,
  64         },
  65 };
  66
  67 static void __init saar_init(void)
  68 {
  69         /* initialize MFP configurations */
  70         pxa3xx_mfp_config(ARRAY_AND_SIZE(saar_mfp_cfg));
  71
  72         platform_device_register(&smc91x_device);
  73 }
  74
  75 MACHINE_START(SAAR, "PXA930 Handheld Platform (aka SAAR)")
  76         /* Maintainer: Eric Miao <eric.miao@marvell.com> */
  77         .phys_io        = 0x40000000,
  78         .boot_params    = 0xa0000100,
  79         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
  80         .map_io         = pxa_map_io,
  81         .init_irq       = pxa3xx_init_irq,
  82         .timer          = &pxa_timer,
  83         .init_machine   = saar_init,
  84 MACHINE_END