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 */ 40static struct ax_plat_data colibri_asix_platdata = { 41 .flags = 0, /* defined later */ 42 .wordlength = 2, 43}; 44 45static 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 58static 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 68static 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 73static 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 80static 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) 84static mfp_cfg_t colibri_pxa300_usb_pin_config[] __initdata = { 85 GPIO0_2_USBH_PEN, 86 GPIO1_2_USBH_PWR, 87}; 88 89static 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 94void __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 100static inline void colibri_pxa300_init_ohci(void) {} 101#endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */ 102 103static 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) 113static 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 140static void __init colibri_pxa300_init_lcd(void) 141{ 142 pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_lcd_pin_config)); 143} 144 145#else 146static 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) 150static 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 159static 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 169static inline void colibri_pxa310_init_ac97(void) {} 170#endif 171 172void __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 188MACHINE_START(COLIBRI300, "Toradex Colibri PXA300") 189 .phys_io = 0x40000000, 190 .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, 191 .boot_params = COLIBRI_SDRAM_BASE + 0x100, 192 .init_machine = colibri_pxa300_init, 193 .map_io = pxa_map_io, 194 .init_irq = pxa3xx_init_irq, 195 .timer = &pxa_timer, 196MACHINE_END 197