arch/arm/mach-pxa/colibri-pxa320.c

   1 /*
   2  *  arch/arm/mach-pxa/colibri-pxa320.c
   3  *
   4  *  Support for Toradex PXA320/310 based Colibri module
   5  *
   6  *  Daniel Mack <daniel@caiaq.de>
   7  *  Matthias Meier <matthias.j.meier@gmx.net>
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License version 2 as
  11  *  published by the Free Software Foundation.
  12  */
  13
  14 #include <linux/init.h>
  15 #include <linux/kernel.h>
  16 #include <linux/platform_device.h>
  17 #include <linux/gpio.h>
  18 #include <linux/interrupt.h>
  19
  20 #include <asm/mach-types.h>
  21 #include <asm/sizes.h>
  22 #include <asm/mach/arch.h>
  23 #include <asm/mach/irq.h>
  24
  25 #include <mach/pxa3xx-regs.h>
  26 #include <mach/mfp-pxa320.h>
  27 #include <mach/colibri.h>
  28 #include <mach/pxafb.h>
  29 #include <mach/ohci.h>
  30
  31 #include "generic.h"
  32 #include "devices.h"
  33
  34 #if defined(CONFIG_AX88796)
  35 #define COLIBRI_ETH_IRQ_GPIO    mfp_to_gpio(GPIO36_GPIO)
  36
  37 /*
  38  * Asix AX88796 Ethernet
  39  */
  40 static struct ax_plat_data colibri_asix_platdata = {
  41         .flags          = 0, /* defined later */
  42         .wordlength     = 2,
  43 };
  44
  45 static struct resource colibri_asix_resource[] = {
  46         [0] = {
  47                 .start = PXA3xx_CS2_PHYS,
  48                 .end   = PXA3xx_CS2_PHYS + (0x20 * 2) - 1,
  49                 .flags = IORESOURCE_MEM,
  50         },
  51         [1] = {
  52                 .start = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
  53                 .end   = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
  54                 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
  55         }
  56 };
  57
  58 static struct platform_device asix_device = {
  59         .name           = "ax88796",
  60         .id             = 0,
  61         .num_resources  = ARRAY_SIZE(colibri_asix_resource),
  62         .resource       = colibri_asix_resource,
  63         .dev            = {
  64                 .platform_data = &colibri_asix_platdata
  65         }
  66 };
  67
  68 static mfp_cfg_t colibri_pxa320_eth_pin_config[] __initdata = {
  69         GPIO3_nCS2,                     /* AX88796 chip select */
  70         GPIO36_GPIO | MFP_PULL_HIGH     /* AX88796 IRQ */
  71 };
  72
  73 static void __init colibri_pxa320_init_eth(void)
  74 {
  75         colibri_pxa3xx_init_eth(&colibri_asix_platdata);
  76         pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_eth_pin_config));
  77         platform_device_register(&asix_device);
  78 }
  79 #else
  80 static inline void __init colibri_pxa320_init_eth(void) {}
  81 #endif /* CONFIG_AX88796 */
  82
  83 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
  84 static mfp_cfg_t colibri_pxa320_usb_pin_config[] __initdata = {
  85         GPIO2_2_USBH_PEN,
  86         GPIO3_2_USBH_PWR,
  87 };
  88
  89 static struct pxaohci_platform_data colibri_pxa320_ohci_info = {
  90         .port_mode      = PMM_GLOBAL_MODE,
  91         .flags          = ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW,
  92 };
  93
  94 void __init colibri_pxa320_init_ohci(void)
  95 {
  96         pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_usb_pin_config));
  97         pxa_set_ohci_info(&colibri_pxa320_ohci_info);
  98 }
  99 #else
 100 static inline void colibri_pxa320_init_ohci(void) {}
 101 #endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */
 102
 103 static mfp_cfg_t colibri_pxa320_mmc_pin_config[] __initdata = {
 104         GPIO22_MMC1_CLK,
 105         GPIO23_MMC1_CMD,
 106         GPIO18_MMC1_DAT0,
 107         GPIO19_MMC1_DAT1,
 108         GPIO20_MMC1_DAT2,
 109         GPIO21_MMC1_DAT3
 110 };
 111
 112 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 113 static mfp_cfg_t colibri_pxa320_lcd_pin_config[] __initdata = {
 114         GPIO6_2_LCD_LDD_0,
 115         GPIO7_2_LCD_LDD_1,
 116         GPIO8_2_LCD_LDD_2,
 117         GPIO9_2_LCD_LDD_3,
 118         GPIO10_2_LCD_LDD_4,
 119         GPIO11_2_LCD_LDD_5,
 120         GPIO12_2_LCD_LDD_6,
 121         GPIO13_2_LCD_LDD_7,
 122         GPIO63_LCD_LDD_8,
 123         GPIO64_LCD_LDD_9,
 124         GPIO65_LCD_LDD_10,
 125         GPIO66_LCD_LDD_11,
 126         GPIO67_LCD_LDD_12,
 127         GPIO68_LCD_LDD_13,
 128         GPIO69_LCD_LDD_14,
 129         GPIO70_LCD_LDD_15,
 130         GPIO71_LCD_LDD_16,
 131         GPIO72_LCD_LDD_17,
 132         GPIO73_LCD_CS_N,
 133         GPIO74_LCD_VSYNC,
 134         GPIO14_2_LCD_FCLK,
 135         GPIO15_2_LCD_LCLK,
 136         GPIO16_2_LCD_PCLK,
 137         GPIO17_2_LCD_BIAS,
 138 };
 139
 140 static void __init colibri_pxa320_init_lcd(void)
 141 {
 142         pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_lcd_pin_config));
 143 }
 144 #else
 145 static inline void colibri_pxa320_init_lcd(void) {}
 146 #endif
 147
 148 #if defined(SND_AC97_CODEC) || defined(SND_AC97_CODEC_MODULE)
 149 static mfp_cfg_t colibri_pxa320_ac97_pin_config[] __initdata = {
 150         GPIO34_AC97_SYSCLK,
 151         GPIO35_AC97_SDATA_IN_0,
 152         GPIO37_AC97_SDATA_OUT,
 153         GPIO38_AC97_SYNC,
 154         GPIO39_AC97_BITCLK,
 155         GPIO40_AC97_nACRESET
 156 };
 157
 158 static inline void __init colibri_pxa320_init_ac97(void)
 159 {
 160         pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_ac97_pin_config));
 161         pxa_set_ac97_info(NULL);
 162 }
 163 #else
 164 static inline void colibri_pxa320_init_ac97(void) {}
 165 #endif
 166
 167 void __init colibri_pxa320_init(void)
 168 {
 169         colibri_pxa320_init_eth();
 170         colibri_pxa320_init_ohci();
 171         colibri_pxa320_init_lcd();
 172         colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO49_GPIO));
 173         colibri_pxa320_init_ac97();
 174         colibri_pxa3xx_init_mmc(ARRAY_AND_SIZE(colibri_pxa320_mmc_pin_config),
 175                                 mfp_to_gpio(MFP_PIN_GPIO28));
 176 }
 177
 178 MACHINE_START(COLIBRI320, "Toradex Colibri PXA320")
 179         .phys_io        = 0x40000000,
 180         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 181         .boot_params    = COLIBRI_SDRAM_BASE + 0x100,
 182         .init_machine   = colibri_pxa320_init,
 183         .map_io         = pxa_map_io,
 184         .init_irq       = pxa3xx_init_irq,
 185         .timer          = &pxa_timer,
 186 MACHINE_END
 187