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
  30 #include "generic.h"
  31 #include "devices.h"
  32
  33 #if defined(CONFIG_AX88796)
  34 #define COLIBRI_ETH_IRQ_GPIO    mfp_to_gpio(GPIO26_GPIO)
  35
  36 /*
  37  * Asix AX88796 Ethernet
  38  */
  39 static struct ax_plat_data colibri_asix_platdata = {
  40         .flags          = 0, /* defined later */
  41         .wordlength     = 2,
  42 };
  43
  44 static struct resource colibri_asix_resource[] = {
  45         [0] = {
  46                 .start = PXA3xx_CS2_PHYS,
  47                 .end   = PXA3xx_CS2_PHYS + (0x20 * 2) - 1,
  48                 .flags = IORESOURCE_MEM,
  49         },
  50         [1] = {
  51                 .start = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
  52                 .end   = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO),
  53                 .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
  54         }
  55 };
  56
  57 static struct platform_device asix_device = {
  58         .name           = "ax88796",
  59         .id             = 0,
  60         .num_resources  = ARRAY_SIZE(colibri_asix_resource),
  61         .resource       = colibri_asix_resource,
  62         .dev            = {
  63                 .platform_data = &colibri_asix_platdata
  64         }
  65 };
  66
  67 static mfp_cfg_t colibri_pxa300_eth_pin_config[] __initdata = {
  68         GPIO1_nCS2,                     /* AX88796 chip select */
  69         GPIO26_GPIO | MFP_PULL_HIGH     /* AX88796 IRQ */
  70 };
  71
  72 static void __init colibri_pxa300_init_eth(void)
  73 {
  74         colibri_pxa3xx_init_eth(&colibri_asix_platdata);
  75         pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_eth_pin_config));
  76         platform_device_register(&asix_device);
  77 }
  78 #else
  79 static inline void __init colibri_pxa300_init_eth(void) {}
  80 #endif /* CONFIG_AX88796 */
  81
  82 #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
  83 static mfp_cfg_t colibri_pxa300_usb_pin_config[] __initdata = {
  84         GPIO0_2_USBH_PEN,
  85         GPIO1_2_USBH_PWR,
  86 };
  87
  88 static struct pxaohci_platform_data colibri_pxa300_ohci_info = {
  89         .port_mode      = PMM_GLOBAL_MODE,
  90         .flags          = ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW,
  91 };
  92
  93 void __init colibri_pxa300_init_ohci(void)
  94 {
  95         pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_usb_pin_config));
  96         pxa_set_ohci_info(&colibri_pxa300_ohci_info);
  97 }
  98 #else
  99 static inline void colibri_pxa300_init_ohci(void) {}
 100 #endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */
 101
 102 static mfp_cfg_t colibri_pxa300_mmc_pin_config[] __initdata = {
 103         GPIO7_MMC1_CLK,
 104         GPIO14_MMC1_CMD,
 105         GPIO3_MMC1_DAT0,
 106         GPIO4_MMC1_DAT1,
 107         GPIO5_MMC1_DAT2,
 108         GPIO6_MMC1_DAT3,
 109 };
 110
 111 #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
 112 static mfp_cfg_t colibri_pxa300_lcd_pin_config[] __initdata = {
 113         GPIO54_LCD_LDD_0,
 114         GPIO55_LCD_LDD_1,
 115         GPIO56_LCD_LDD_2,
 116         GPIO57_LCD_LDD_3,
 117         GPIO58_LCD_LDD_4,
 118         GPIO59_LCD_LDD_5,
 119         GPIO60_LCD_LDD_6,
 120         GPIO61_LCD_LDD_7,
 121         GPIO62_LCD_LDD_8,
 122         GPIO63_LCD_LDD_9,
 123         GPIO64_LCD_LDD_10,
 124         GPIO65_LCD_LDD_11,
 125         GPIO66_LCD_LDD_12,
 126         GPIO67_LCD_LDD_13,
 127         GPIO68_LCD_LDD_14,
 128         GPIO69_LCD_LDD_15,
 129         GPIO70_LCD_LDD_16,
 130         GPIO71_LCD_LDD_17,
 131         GPIO62_LCD_CS_N,
 132         GPIO72_LCD_FCLK,
 133         GPIO73_LCD_LCLK,
 134         GPIO74_LCD_PCLK,
 135         GPIO75_LCD_BIAS,
 136         GPIO76_LCD_VSYNC,
 137 };
 138
 139 static void __init colibri_pxa300_init_lcd(void)
 140 {
 141         pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_lcd_pin_config));
 142 }
 143
 144 #else
 145 static inline void colibri_pxa300_init_lcd(void) {}
 146 #endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
 147
 148 #if defined(SND_AC97_CODEC) || defined(SND_AC97_CODEC_MODULE)
 149 static mfp_cfg_t colibri_pxa310_ac97_pin_config[] __initdata = {
 150         GPIO24_AC97_SYSCLK,
 151         GPIO23_AC97_nACRESET,
 152         GPIO25_AC97_SDATA_IN_0,
 153         GPIO27_AC97_SDATA_OUT,
 154         GPIO28_AC97_SYNC,
 155         GPIO29_AC97_BITCLK
 156 };
 157
 158 static inline void __init colibri_pxa310_init_ac97(void)
 159 {
 160         /* no AC97 codec on Colibri PXA300 */
 161         if (!cpu_is_pxa310())
 162                 return;
 163
 164         pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa310_ac97_pin_config));
 165         pxa_set_ac97_info(NULL);
 166 }
 167 #else
 168 static inline void colibri_pxa310_init_ac97(void) {}
 169 #endif
 170
 171 void __init colibri_pxa300_init(void)
 172 {
 173         colibri_pxa300_init_eth();
 174         colibri_pxa300_init_ohci();
 175         colibri_pxa300_init_lcd();
 176         colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO39_GPIO));
 177         colibri_pxa310_init_ac97();
 178         colibri_pxa3xx_init_mmc(ARRAY_AND_SIZE(colibri_pxa300_mmc_pin_config),
 179                                 mfp_to_gpio(MFP_PIN_GPIO13));
 180 }
 181
 182 MACHINE_START(COLIBRI300, "Toradex Colibri PXA300")
 183         .phys_io        = 0x40000000,
 184         .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
 185         .boot_params    = COLIBRI_SDRAM_BASE + 0x100,
 186         .init_machine   = colibri_pxa300_init,
 187         .map_io         = pxa_map_io,
 188         .init_irq       = pxa3xx_init_irq,
 189         .timer          = &pxa_timer,
 190 MACHINE_END
 191