arch/arm/mach-imx/mach-apf9328.c

   1 /*
   2  * linux/arch/arm/mach-imx/mach-apf9328.c
   3  *
   4  * Copyright (c) 2005-2011 ARMadeus systems <support@armadeus.com>
   5  *
   6  * This work is based on mach-scb9328.c which is:
   7  * Copyright (c) 2004 Sascha Hauer <saschahauer@web.de>
   8  * Copyright (c) 2006-2008 Juergen Beisert <jbeisert@netscape.net>
   9  *
  10  * This program is free software; you can redistribute it and/or modify
  11  * it under the terms of the GNU General Public License version 2 as
  12  * published by the Free Software Foundation.
  13  *
  14  */
  15
  16 #include <linux/init.h>
  17 #include <linux/kernel.h>
  18 #include <linux/platform_device.h>
  19 #include <linux/mtd/physmap.h>
  20 #include <linux/dm9000.h>
  21
  22 #include <asm/mach-types.h>
  23 #include <asm/mach/arch.h>
  24 #include <asm/mach/time.h>
  25
  26 #include <mach/common.h>
  27 #include <mach/hardware.h>
  28 #include <mach/irqs.h>
  29 #include <mach/iomux-mx1.h>
  30
  31 #include "devices-imx1.h"
  32
  33 static const int apf9328_pins[] __initconst = {
  34         /* UART1 */
  35         PC9_PF_UART1_CTS,
  36         PC10_PF_UART1_RTS,
  37         PC11_PF_UART1_TXD,
  38         PC12_PF_UART1_RXD,
  39         /* UART2 */
  40         PB28_PF_UART2_CTS,
  41         PB29_PF_UART2_RTS,
  42         PB30_PF_UART2_TXD,
  43         PB31_PF_UART2_RXD,
  44 };
  45
  46 /*
  47  * The APF9328 can have up to 32MB NOR Flash
  48  */
  49 static struct resource flash_resource = {
  50         .start  = MX1_CS0_PHYS,
  51         .end    = MX1_CS0_PHYS + SZ_32M - 1,
  52         .flags  = IORESOURCE_MEM,
  53 };
  54
  55 static struct physmap_flash_data apf9328_flash_data = {
  56         .width  = 2,
  57 };
  58
  59 static struct platform_device apf9328_flash_device = {
  60         .name           = "physmap-flash",
  61         .id             = 0,
  62         .dev = {
  63                 .platform_data = &apf9328_flash_data,
  64         },
  65         .resource = &flash_resource,
  66         .num_resources = 1,
  67 };
  68
  69 /*
  70  * APF9328 has a DM9000 Ethernet controller
  71  */
  72 static struct dm9000_plat_data dm9000_setup = {
  73         .flags          = DM9000_PLATF_16BITONLY
  74 };
  75
  76 static struct resource dm9000_resources[] = {
  77         {
  78                 .start  = MX1_CS4_PHYS + 0x00C00000,
  79                 .end    = MX1_CS4_PHYS + 0x00C00001,
  80                 .flags  = IORESOURCE_MEM,
  81         }, {
  82                 .start  = MX1_CS4_PHYS + 0x00C00002,
  83                 .end    = MX1_CS4_PHYS + 0x00C00003,
  84                 .flags  = IORESOURCE_MEM,
  85         }, {
  86                 .start  = IRQ_GPIOB(14),
  87                 .end    = IRQ_GPIOB(14),
  88                 .flags  = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWLEVEL,
  89         },
  90 };
  91
  92 static struct platform_device dm9000x_device = {
  93         .name           = "dm9000",
  94         .id             = 0,
  95         .num_resources  = ARRAY_SIZE(dm9000_resources),
  96         .resource       = dm9000_resources,
  97         .dev            = {
  98                 .platform_data = &dm9000_setup,
  99         }
 100 };
 101
 102 /* --- SERIAL RESSOURCE --- */
 103 static const struct imxuart_platform_data uart0_pdata __initconst = {
 104         .flags = 0,
 105 };
 106
 107 static const struct imxuart_platform_data uart1_pdata __initconst = {
 108         .flags = IMXUART_HAVE_RTSCTS,
 109 };
 110
 111 static struct platform_device *devices[] __initdata = {
 112         &apf9328_flash_device,
 113         &dm9000x_device,
 114 };
 115
 116 static void __init apf9328_init(void)
 117 {
 118         mxc_gpio_setup_multiple_pins(apf9328_pins,
 119                         ARRAY_SIZE(apf9328_pins),
 120                         "APF9328");
 121
 122         imx1_add_imx_uart0(&uart0_pdata);
 123         imx1_add_imx_uart1(&uart1_pdata);
 124
 125         platform_add_devices(devices, ARRAY_SIZE(devices));
 126 }
 127
 128 static void __init apf9328_timer_init(void)
 129 {
 130         mx1_clocks_init(32768);
 131 }
 132
 133 static struct sys_timer apf9328_timer = {
 134         .init   = apf9328_timer_init,
 135 };
 136
 137 MACHINE_START(APF9328, "Armadeus APF9328")
 138         /* Maintainer: Gwenhael Goavec-Merou, ARMadeus Systems */
 139         .map_io       = mx1_map_io,
 140         .init_early   = imx1_init_early,
 141         .init_irq     = mx1_init_irq,
 142         .timer        = &apf9328_timer,
 143         .init_machine = apf9328_init,
 144 MACHINE_END