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/*
* arch/arm/mach-pxa/colibri-pxa300.c
*
* Support for Toradex PXA300 based Colibri module
* Daniel Mack <daniel@caiaq.de>
*
* 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 <net/ax88796.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/irq.h>
#include <mach/pxa300.h>
#include <mach/colibri.h>
#include <mach/mmc.h>
#include "generic.h"
#include "devices.h"
/*
* GPIO configuration
*/
static mfp_cfg_t colibri_pxa300_pin_config[] __initdata = {
GPIO1_nCS2, /* AX88796 chip select */
GPIO26_GPIO | MFP_PULL_HIGH, /* AX88796 IRQ */
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
GPIO7_MMC1_CLK,
GPIO14_MMC1_CMD,
GPIO3_MMC1_DAT0,
GPIO4_MMC1_DAT1,
GPIO5_MMC1_DAT2,
GPIO6_MMC1_DAT3,
#endif
};
#if defined(CONFIG_AX88796)
/*
* Asix AX88796 Ethernet
*/
static struct ax_plat_data colibri_asix_platdata = {
.flags = AXFLG_MAC_FROMDEV,
.wordlength = 2,
.dcr_val = 0x01,
.rcr_val = 0x0e,
.gpoc_val = 0x19
};
static struct resource colibri_asix_resource[] = {
[0] = {
.start = PXA3xx_CS2_PHYS,
.end = PXA3xx_CS2_PHYS + (0x18 * 0x2) - 1,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = PXA3xx_CS2_PHYS + (1 << 11),
.end = PXA3xx_CS2_PHYS + (1 << 11) + 0x3fff,
.flags = IORESOURCE_MEM,
},
[2] = {
.start = COLIBRI_PXA300_ETH_IRQ,
.end = COLIBRI_PXA300_ETH_IRQ,
.flags = IORESOURCE_IRQ
}
};
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
}
};
#endif /* CONFIG_AX88796 */
static struct platform_device *colibri_pxa300_devices[] __initdata = {
#if defined(CONFIG_AX88796)
&asix_device
#endif
};
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
#define MMC_DETECT_PIN mfp_to_gpio(MFP_PIN_GPIO13)
static int colibri_pxa300_mci_init(struct device *dev,
irq_handler_t colibri_mmc_detect_int,
void *data)
{
int ret;
ret = gpio_request(MMC_DETECT_PIN, "mmc card detect");
if (ret)
return ret;
gpio_direction_input(MMC_DETECT_PIN);
ret = request_irq(gpio_to_irq(MMC_DETECT_PIN), colibri_mmc_detect_int,
IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
"MMC card detect", data);
if (ret) {
gpio_free(MMC_DETECT_PIN);
return ret;
}
return 0;
}
static void colibri_pxa300_mci_exit(struct device *dev, void *data)
{
free_irq(MMC_DETECT_PIN, data);
gpio_free(gpio_to_irq(MMC_DETECT_PIN));
}
static struct pxamci_platform_data colibri_pxa300_mci_platform_data = {
.detect_delay = 20,
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
.init = colibri_pxa300_mci_init,
.exit = colibri_pxa300_mci_exit,
};
static void __init colibri_pxa300_init_mmc(void)
{
pxa_set_mci_info(&colibri_pxa300_mci_platform_data);
}
#else
static inline void colibri_pxa300_init_mmc(void) {}
#endif /* CONFIG_MMC_PXA */
static void __init colibri_pxa300_init(void)
{
set_irq_type(COLIBRI_PXA300_ETH_IRQ, IRQ_TYPE_EDGE_FALLING);
pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa300_pin_config));
platform_add_devices(ARRAY_AND_SIZE(colibri_pxa300_devices));
colibri_pxa300_init_mmc();
}
MACHINE_START(COLIBRI300, "Toradex Colibri PXA300")
.phys_io = 0x40000000,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.boot_params = COLIBRI_SDRAM_BASE + 0x100,
.init_machine = colibri_pxa300_init,
.map_io = pxa_map_io,
.init_irq = pxa3xx_init_irq,
.timer = &pxa_timer,
MACHINE_END
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