196 lines
4.6 KiB
C
196 lines
4.6 KiB
C
/*
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* arch/arm/mach-pxa/colibri-pxa300.c
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*
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* Support for Toradex PXA300/310 based Colibri module
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*
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* Daniel Mack <daniel@caiaq.de>
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* Matthias Meier <matthias.j.meier@gmx.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/platform_device.h>
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#include <linux/gpio.h>
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#include <linux/interrupt.h>
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#include <asm/mach-types.h>
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#include <asm/sizes.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/irq.h>
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#include "pxa300.h"
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#include "colibri.h"
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#include <linux/platform_data/usb-ohci-pxa27x.h>
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#include <linux/platform_data/video-pxafb.h>
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#include <mach/audio.h>
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#include "generic.h"
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#include "devices.h"
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#ifdef CONFIG_MACH_COLIBRI_EVALBOARD
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static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = {
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/* MMC */
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GPIO7_MMC1_CLK,
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GPIO14_MMC1_CMD,
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GPIO3_MMC1_DAT0,
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GPIO4_MMC1_DAT1,
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GPIO5_MMC1_DAT2,
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GPIO6_MMC1_DAT3,
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GPIO13_GPIO, /* GPIO13_COLIBRI_PXA300_SD_DETECT */
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/* UHC */
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GPIO0_2_USBH_PEN,
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GPIO1_2_USBH_PWR,
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GPIO77_USB_P3_1,
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GPIO78_USB_P3_2,
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GPIO79_USB_P3_3,
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GPIO80_USB_P3_4,
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GPIO81_USB_P3_5,
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GPIO82_USB_P3_6,
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/* I2C */
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GPIO21_I2C_SCL,
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GPIO22_I2C_SDA,
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};
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#else
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static mfp_cfg_t colibri_pxa300_evalboard_pin_config[] __initdata = {};
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#endif
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#if defined(CONFIG_AX88796)
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#define COLIBRI_ETH_IRQ_GPIO mfp_to_gpio(GPIO26_GPIO)
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/*
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* Asix AX88796 Ethernet
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*/
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static struct ax_plat_data colibri_asix_platdata = {
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.flags = 0, /* defined later */
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.wordlength = 2,
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};
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static struct resource colibri_asix_resource[] = {
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[0] = {
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.start = PXA3xx_CS2_PHYS,
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.end = PXA3xx_CS2_PHYS + (0x20 * 2) - 1,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
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.end = PXA_GPIO_TO_IRQ(COLIBRI_ETH_IRQ_GPIO),
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.flags = IORESOURCE_IRQ | IRQF_TRIGGER_FALLING,
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}
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};
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static struct platform_device asix_device = {
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.name = "ax88796",
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.id = 0,
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.num_resources = ARRAY_SIZE(colibri_asix_resource),
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.resource = colibri_asix_resource,
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.dev = {
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.platform_data = &colibri_asix_platdata
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}
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};
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static mfp_cfg_t colibri_pxa300_eth_pin_config[] __initdata = {
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GPIO1_nCS2, /* AX88796 chip select */
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GPIO26_GPIO | MFP_PULL_HIGH /* AX88796 IRQ */
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};
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static void __init colibri_pxa300_init_eth(void)
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{
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colibri_pxa3xx_init_eth(&colibri_asix_platdata);
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pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_eth_pin_config));
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platform_device_register(&asix_device);
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}
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#else
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static inline void __init colibri_pxa300_init_eth(void) {}
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#endif /* CONFIG_AX88796 */
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#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
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static mfp_cfg_t colibri_pxa300_lcd_pin_config[] __initdata = {
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GPIO54_LCD_LDD_0,
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GPIO55_LCD_LDD_1,
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GPIO56_LCD_LDD_2,
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GPIO57_LCD_LDD_3,
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GPIO58_LCD_LDD_4,
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GPIO59_LCD_LDD_5,
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GPIO60_LCD_LDD_6,
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GPIO61_LCD_LDD_7,
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GPIO62_LCD_LDD_8,
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GPIO63_LCD_LDD_9,
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GPIO64_LCD_LDD_10,
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GPIO65_LCD_LDD_11,
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GPIO66_LCD_LDD_12,
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GPIO67_LCD_LDD_13,
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GPIO68_LCD_LDD_14,
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GPIO69_LCD_LDD_15,
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GPIO70_LCD_LDD_16,
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GPIO71_LCD_LDD_17,
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GPIO62_LCD_CS_N,
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GPIO72_LCD_FCLK,
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GPIO73_LCD_LCLK,
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GPIO74_LCD_PCLK,
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GPIO75_LCD_BIAS,
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GPIO76_LCD_VSYNC,
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};
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static void __init colibri_pxa300_init_lcd(void)
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{
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pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_lcd_pin_config));
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}
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#else
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static inline void colibri_pxa300_init_lcd(void) {}
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#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
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#if defined(CONFIG_SND_AC97_CODEC) || defined(CONFIG_SND_AC97_CODEC_MODULE)
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static mfp_cfg_t colibri_pxa310_ac97_pin_config[] __initdata = {
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GPIO24_AC97_SYSCLK,
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GPIO23_AC97_nACRESET,
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GPIO25_AC97_SDATA_IN_0,
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GPIO27_AC97_SDATA_OUT,
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GPIO28_AC97_SYNC,
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GPIO29_AC97_BITCLK
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};
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static inline void __init colibri_pxa310_init_ac97(void)
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{
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/* no AC97 codec on Colibri PXA300 */
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if (!cpu_is_pxa310())
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return;
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pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa310_ac97_pin_config));
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pxa_set_ac97_info(NULL);
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}
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#else
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static inline void colibri_pxa310_init_ac97(void) {}
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#endif
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void __init colibri_pxa300_init(void)
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{
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colibri_pxa300_init_eth();
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colibri_pxa3xx_init_nand();
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colibri_pxa300_init_lcd();
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colibri_pxa3xx_init_lcd(mfp_to_gpio(GPIO39_GPIO));
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colibri_pxa310_init_ac97();
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/* Evalboard init */
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pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_evalboard_pin_config));
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colibri_evalboard_init();
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}
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MACHINE_START(COLIBRI300, "Toradex Colibri PXA300")
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.atag_offset = 0x100,
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.init_machine = colibri_pxa300_init,
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.map_io = pxa3xx_map_io,
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.nr_irqs = PXA_NR_IRQS,
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.init_irq = pxa3xx_init_irq,
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.handle_irq = pxa3xx_handle_irq,
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.init_time = pxa_timer_init,
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.restart = pxa_restart,
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MACHINE_END
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