/* * arch/arm/mach-pxa/colibri-pxa320.c * * Support for Toradex PXA320/310 based Colibri module * * Daniel Mack <daniel@caiaq.de> * Matthias Meier <matthias.j.meier@gmx.net> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include <linux/init.h> #include <linux/kernel.h> #include <linux/platform_device.h> #include <linux/gpio.h> #include <linux/interrupt.h> #include <asm/mach-types.h> #include <asm/sizes.h> #include <asm/mach/arch.h> #include <asm/mach/irq.h> #include <mach/pxa3xx-regs.h> #include <mach/mfp-pxa320.h> #include <mach/colibri.h> #include <mach/pxafb.h> #include <mach/ohci.h> #include <mach/audio.h> #include "generic.h" #include "devices.h" #if defined(CONFIG_AX88796) #define COLIBRI_ETH_IRQ_GPIO mfp_to_gpio(GPIO36_GPIO) /* * Asix AX88796 Ethernet */ static struct ax_plat_data colibri_asix_platdata = { .flags = 0, /* defined later */ .wordlength = 2, }; static struct resource colibri_asix_resource[] = { [0] = { .start = PXA3xx_CS2_PHYS, .end = PXA3xx_CS2_PHYS + (0x20 * 2) - 1, .flags = IORESOURCE_MEM, }, [1] = { .start = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO), .end = gpio_to_irq(COLIBRI_ETH_IRQ_GPIO), .flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING, } }; static struct platform_device asix_device = { .name = "ax88796", .id = 0, .num_resources = ARRAY_SIZE(colibri_asix_resource), .resource = colibri_asix_resource, .dev = { .platform_data = &colibri_asix_platdata } }; static mfp_cfg_t colibri_pxa320_eth_pin_config[] __initdata = { GPIO3_nCS2, /* AX88796 chip select */ GPIO36_GPIO | MFP_PULL_HIGH /* AX88796 IRQ */ }; static void __init colibri_pxa320_init_eth(void) { colibri_pxa3xx_init_eth(&colibri_asix_platdata); pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_eth_pin_config)); platform_device_register(&asix_device); } #else static inline void __init colibri_pxa320_init_eth(void) {} #endif /* CONFIG_AX88796 */ #if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) static mfp_cfg_t colibri_pxa320_usb_pin_config[] __initdata = { GPIO2_2_USBH_PEN, GPIO3_2_USBH_PWR, }; static struct pxaohci_platform_data colibri_pxa320_ohci_info = { .port_mode = PMM_GLOBAL_MODE, .flags = ENABLE_PORT1 | POWER_CONTROL_LOW | POWER_SENSE_LOW, }; void __init colibri_pxa320_init_ohci(void) { pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_usb_pin_config)); pxa_set_ohci_info(&colibri_pxa320_ohci_info); } #else static inline void colibri_pxa320_init_ohci(void) {} #endif /* CONFIG_USB_OHCI_HCD || CONFIG_USB_OHCI_HCD_MODULE */ static mfp_cfg_t colibri_pxa320_mmc_pin_config[] __initdata = { GPIO22_MMC1_CLK, GPIO23_MMC1_CMD, GPIO18_MMC1_DAT0, GPIO19_MMC1_DAT1, GPIO20_MMC1_DAT2, GPIO21_MMC1_DAT3 }; #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) static mfp_cfg_t colibri_pxa320_lcd_pin_config[] __initdata = { GPIO6_2_LCD_LDD_0, GPIO7_2_LCD_LDD_1, GPIO8_2_LCD_LDD_2, GPIO9_2_LCD_LDD_3, GPIO10_2_LCD_LDD_4, GPIO11_2_LCD_LDD_5, GPIO12_2_LCD_LDD_6, GPIO13_2_LCD_LDD_7, GPIO63_LCD_LDD_8, GPIO64_LCD_LDD_9, GPIO65_LCD_LDD_10, GPIO66_LCD_LDD_11, GPIO67_LCD_LDD_12, GPIO68_LCD_LDD_13, GPIO69_LCD_LDD_14, GPIO70_LCD_LDD_15, GPIO71_LCD_LDD_16, GPIO72_LCD_LDD_17, GPIO73_LCD_CS_N, GPIO74_LCD_VSYNC, GPIO14_2_LCD_FCLK, GPIO15_2_LCD_LCLK, GPIO16_2_LCD_PCLK, GPIO17_2_LCD_BIAS, }; static void __init colibri_pxa320_init_lcd(void) { pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_lcd_pin_config)); } #else static inline void colibri_pxa320_init_lcd(void) {} #endif #if defined(CONFIG_SND_AC97_CODEC) || \ defined(CONFIG_SND_AC97_CODEC_MODULE) static mfp_cfg_t colibri_pxa320_ac97_pin_config[] __initdata = { GPIO34_AC97_SYSCLK, GPIO35_AC97_SDATA_IN_0, GPIO37_AC97_SDATA_OUT, GPIO38_AC97_SYNC, GPIO39_AC97_BITCLK, GPIO40_AC97_nACRESET }; static inline void __init colibri_pxa320_init_ac97(void) { pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_ac97_pin_config)); pxa_set_ac97_info(NULL); } #else static inline void colibri_pxa320_init_ac97(void) {} #endif /* * The following configuration is verified to work with the Toradex Orchid * carrier board */ static mfp_cfg_t colibri_pxa320_uart_pin_config[] __initdata = { /* UART 1 configuration (may be set by bootloader) */ GPIO99_UART1_CTS, GPIO104_UART1_RTS, GPIO97_UART1_RXD, GPIO98_UART1_TXD, GPIO101_UART1_DTR, GPIO103_UART1_DSR, GPIO100_UART1_DCD, GPIO102_UART1_RI, /* UART 2 configuration */ GPIO109_UART2_CTS, GPIO112_UART2_RTS, GPIO110_UART2_RXD, GPIO111_UART2_TXD, /* UART 3 configuration */ GPIO30_UART3_RXD, GPIO31_UART3_TXD, }; static void __init colibri_pxa320_init_uart(void) { pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_uart_pin_config)); } void __init colibri_pxa320_init(void) { pxa_set_ffuart_info(NULL); pxa_set_btuart_info(NULL); pxa_set_stuart_info(NULL); colibri_pxa320_init_eth(); colibri_pxa320_init_ohci(); colibri_pxa3xx_init_nand(); colibri_pxa320_init_lcd(); colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO49_GPIO)); colibri_pxa320_init_ac97(); colibri_pxa3xx_init_mmc(ARRAY_AND_SIZE(colibri_pxa320_mmc_pin_config), mfp_to_gpio(MFP_PIN_GPIO28)); colibri_pxa320_init_uart(); } MACHINE_START(COLIBRI320, "Toradex Colibri PXA320") .phys_io = 0x40000000, .io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc, .boot_params = COLIBRI_SDRAM_BASE + 0x100, .init_machine = colibri_pxa320_init, .map_io = pxa_map_io, .init_irq = pxa3xx_init_irq, .timer = &pxa_timer, MACHINE_END