arch/arm/mach-pxa/colibri-pxa300.c

   1 /*
   2  *  arch/arm/mach-pxa/colibri-pxa300.c
   3  *
   4  *  Support for Toradex PXA300/310 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/pxa300.h>
  26 #include <mach/colibri.h>
  27 #include <mach/ohci.h>
  28 #include <mach/pxafb.h>
  29 #include <mach/audio.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(GPIO26_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_pxa300_eth_pin_config[] __initdata = {
  69         GPIO1_nCS2,                     /* AX88796 chip select */
  70         GPIO26_GPIO | MFP_PULL_HIGH     /* AX88796 IRQ */
  71 };
  72
  73 static void __init colibri_pxa300_init_eth(void)
  74 {
  75         colibri_pxa3xx_init_eth(&colibri_asix_platdata);
  76         pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_eth_pin_config));
  77         platform_device_register(&asix_device);
  78 }
  79 #else
  80 static inline void __init colibri_pxa300_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_pxa300_usb_pin_config[] __initdata = {
  85         GPIO0_2_USBH_PEN,
  86         GPIO1_2_USBH_PWR,
  87 };
  88
  89 static struct pxaohci_platform_data colibri_pxa300_ohci_info = {
  90         .port_mode      = PMM_GLOBAL_MODE,
  91         .flags          = ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW,
  92 };
  93
  94 void __init colibri_pxa300_init_ohci(void)
  95 {
  96         pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_usb_pin_config));
  97         pxa_set_ohci_info(&colibri_pxa300_ohci_info);
  98 }
  99 #else
 100 static inline void colibri_pxa300_init_ohci(void) {}
 101 #endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */
 102
 103 static mfp_cfg_t colibri_pxa300_mmc_pin_config[] __initdata = {
 104         GPIO7_MMC1_CLK,
 105         GPIO14_MMC1_CMD,
 106         GPIO3_MMC1_DAT0,
 107         GPIO4_MMC1_DAT1,
 108         GPIO5_MMC1_DAT2,
 109         GPIO6_MMC1_DAT3,
 110 };
 111
 112 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 113 static mfp_cfg_t colibri_pxa300_lcd_pin_config[] __initdata = {
 114         GPIO54_LCD_LDD_0,
 115         GPIO55_LCD_LDD_1,
 116         GPIO56_LCD_LDD_2,
 117         GPIO57_LCD_LDD_3,
 118         GPIO58_LCD_LDD_4,
 119         GPIO59_LCD_LDD_5,
 120         GPIO60_LCD_LDD_6,
 121         GPIO61_LCD_LDD_7,
 122         GPIO62_LCD_LDD_8,
 123         GPIO63_LCD_LDD_9,
 124         GPIO64_LCD_LDD_10,
 125         GPIO65_LCD_LDD_11,
 126         GPIO66_LCD_LDD_12,
 127         GPIO67_LCD_LDD_13,
 128         GPIO68_LCD_LDD_14,
 129         GPIO69_LCD_LDD_15,
 130         GPIO70_LCD_LDD_16,
 131         GPIO71_LCD_LDD_17,
 132         GPIO62_LCD_CS_N,
 133         GPIO72_LCD_FCLK,
 134         GPIO73_LCD_LCLK,
 135         GPIO74_LCD_PCLK,
 136         GPIO75_LCD_BIAS,
 137         GPIO76_LCD_VSYNC,
 138 };
 139
 140 static void __init colibri_pxa300_init_lcd(void)
 141 {
 142         pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_lcd_pin_config));
 143 }
 144
 145 #else
 146 static inline void colibri_pxa300_init_lcd(void) {}
 147 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
 148
 149 #if defined(CONFIG_SND_AC97_CODEC) || defined(CONFIG_SND_AC97_CODEC_MODULE)
 150 static mfp_cfg_t colibri_pxa310_ac97_pin_config[] __initdata = {
 151         GPIO24_AC97_SYSCLK,
 152         GPIO23_AC97_nACRESET,
 153         GPIO25_AC97_SDATA_IN_0,
 154         GPIO27_AC97_SDATA_OUT,
 155         GPIO28_AC97_SYNC,
 156         GPIO29_AC97_BITCLK
 157 };
 158
 159 static inline void __init colibri_pxa310_init_ac97(void)
 160 {
 161         /* no AC97 codec on Colibri PXA300 */
 162         if (!cpu_is_pxa310())
 163                 return;
 164
 165         pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa310_ac97_pin_config));
 166         pxa_set_ac97_info(NULL);
 167 }
 168 #else
 169 static inline void colibri_pxa310_init_ac97(void) {}
 170 #endif
 171
 172 void __init colibri_pxa300_init(void)
 173 {
 174         pxa_set_ffuart_info(NULL);
 175         pxa_set_btuart_info(NULL);
 176         pxa_set_stuart_info(NULL);
 177
 178         colibri_pxa300_init_eth();
 179         colibri_pxa300_init_ohci();
 180         colibri_pxa3xx_init_nand();
 181         colibri_pxa300_init_lcd();
 182         colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO39_GPIO));
 183         colibri_pxa310_init_ac97();
 184         colibri_pxa3xx_init_mmc(ARRAY_AND_SIZE(colibri_pxa300_mmc_pin_config),
 185                                 mfp_to_gpio(MFP_PIN_GPIO13));
 186 }
 187
 188 MACHINE_START(COLIBRI300, "Toradex Colibri PXA300")
 189         .boot_params    = COLIBRI_SDRAM_BASE + 0x100,
 190         .init_machine   = colibri_pxa300_init,
 191         .map_io         = pxa3xx_map_io,
 192         .init_irq       = pxa3xx_init_irq,
 193         .timer          = &pxa_timer,
 194 MACHINE_END
 195