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/*
* linux/arch/arm/mach-pxa/zylonite.c
*
* Support for the PXA3xx Development Platform (aka Zylonite)
*
* Copyright (C) 2006 Marvell International Ltd.
*
* 2007-09-04: eric miao <eric.miao@marvell.com>
* rewrite to align with latest kernel
*
* 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/module.h>
#include <linux/kernel.h>
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/hardware.h>
#include <asm/arch/gpio.h>
#include <asm/arch/pxafb.h>
#include <asm/arch/zylonite.h>
#include <asm/arch/mmc.h>
#include "generic.h"
#define MAX_SLOTS 2
struct platform_mmc_slot zylonite_mmc_slot[MAX_SLOTS];
int gpio_backlight;
int gpio_eth_irq;
int lcd_id;
int lcd_orientation;
static struct resource smc91x_resources[] = {
[0] = {
.start = ZYLONITE_ETH_PHYS + 0x300,
.end = ZYLONITE_ETH_PHYS + 0xfffff,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = -1, /* for run-time assignment */
.end = -1,
.flags = IORESOURCE_IRQ,
}
};
static struct platform_device smc91x_device = {
.name = "smc91x",
.id = 0,
.num_resources = ARRAY_SIZE(smc91x_resources),
.resource = smc91x_resources,
};
#if defined(CONFIG_FB_PXA) || (CONFIG_FB_PXA_MODULES)
static void zylonite_backlight_power(int on)
{
gpio_set_value(gpio_backlight, on);
}
static struct pxafb_mode_info toshiba_ltm035a776c_mode = {
.pixclock = 110000,
.xres = 240,
.yres = 320,
.bpp = 16,
.hsync_len = 4,
.left_margin = 6,
.right_margin = 4,
.vsync_len = 2,
.upper_margin = 2,
.lower_margin = 3,
.sync = FB_SYNC_VERT_HIGH_ACT,
};
static struct pxafb_mode_info toshiba_ltm04c380k_mode = {
.pixclock = 50000,
.xres = 640,
.yres = 480,
.bpp = 16,
.hsync_len = 1,
.left_margin = 0x9f,
.right_margin = 1,
.vsync_len = 44,
.upper_margin = 0,
.lower_margin = 0,
.sync = FB_SYNC_HOR_HIGH_ACT|FB_SYNC_VERT_HIGH_ACT,
};
static struct pxafb_mach_info zylonite_toshiba_lcd_info = {
.num_modes = 1,
.lccr0 = LCCR0_Act,
.lccr3 = LCCR3_PCP,
.pxafb_backlight_power = zylonite_backlight_power,
};
static struct pxafb_mode_info sharp_ls037_modes[] = {
[0] = {
.pixclock = 158000,
.xres = 240,
.yres = 320,
.bpp = 16,
.hsync_len = 4,
.left_margin = 39,
.right_margin = 39,
.vsync_len = 1,
.upper_margin = 2,
.lower_margin = 3,
.sync = 0,
},
[1] = {
.pixclock = 39700,
.xres = 480,
.yres = 640,
.bpp = 16,
.hsync_len = 8,
.left_margin = 81,
.right_margin = 81,
.vsync_len = 1,
.upper_margin = 2,
.lower_margin = 7,
.sync = 0,
},
};
static struct pxafb_mach_info zylonite_sharp_lcd_info = {
.modes = sharp_ls037_modes,
.num_modes = 2,
.lccr0 = LCCR0_Act,
.lccr3 = LCCR3_PCP | LCCR3_HSP | LCCR3_VSP,
.pxafb_backlight_power = zylonite_backlight_power,
};
static void __init zylonite_init_lcd(void)
{
/* backlight GPIO: output, default on */
gpio_direction_output(gpio_backlight, 1);
if (lcd_id & 0x20) {
set_pxa_fb_info(&zylonite_sharp_lcd_info);
return;
}
/* legacy LCD panels, it would be handy here if LCD panel type can
* be decided at run-time
*/
if (1)
zylonite_toshiba_lcd_info.modes = &toshiba_ltm035a776c_mode;
else
zylonite_toshiba_lcd_info.modes = &toshiba_ltm04c380k_mode;
set_pxa_fb_info(&zylonite_toshiba_lcd_info);
}
#else
static inline void zylonite_init_lcd(void) {}
#endif
#if defined(CONFIG_MMC)
static int zylonite_mci_ro(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
return gpio_get_value(zylonite_mmc_slot[pdev->id].gpio_wp);
}
static int zylonite_mci_init(struct device *dev,
irq_handler_t zylonite_detect_int,
void *data)
{
struct platform_device *pdev = to_platform_device(dev);
int err, cd_irq, gpio_cd, gpio_wp;
cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
/*
* setup GPIO for Zylonite MMC controller
*/
err = gpio_request(gpio_cd, "mmc card detect");
if (err)
goto err_request_cd;
gpio_direction_input(gpio_cd);
err = gpio_request(gpio_wp, "mmc write protect");
if (err)
goto err_request_wp;
gpio_direction_input(gpio_wp);
err = request_irq(cd_irq, zylonite_detect_int,
IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
"MMC card detect", data);
if (err) {
printk(KERN_ERR "%s: MMC/SD/SDIO: "
"can't request card detect IRQ\n", __func__);
goto err_request_irq;
}
return 0;
err_request_irq:
gpio_free(gpio_wp);
err_request_wp:
gpio_free(gpio_cd);
err_request_cd:
return err;
}
static void zylonite_mci_exit(struct device *dev, void *data)
{
struct platform_device *pdev = to_platform_device(dev);
int cd_irq, gpio_cd, gpio_wp;
cd_irq = gpio_to_irq(zylonite_mmc_slot[pdev->id].gpio_cd);
gpio_cd = zylonite_mmc_slot[pdev->id].gpio_cd;
gpio_wp = zylonite_mmc_slot[pdev->id].gpio_wp;
free_irq(cd_irq, data);
gpio_free(gpio_cd);
gpio_free(gpio_wp);
}
static struct pxamci_platform_data zylonite_mci_platform_data = {
.detect_delay = 20,
.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
.init = zylonite_mci_init,
.exit = zylonite_mci_exit,
.get_ro = zylonite_mci_ro,
};
static struct pxamci_platform_data zylonite_mci2_platform_data = {
.detect_delay = 20,
.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
};
static void __init zylonite_init_mmc(void)
{
pxa_set_mci_info(&zylonite_mci_platform_data);
pxa3xx_set_mci2_info(&zylonite_mci2_platform_data);
}
#else
static inline void zylonite_init_mmc(void) {}
#endif
static void __init zylonite_init(void)
{
/* board-processor specific initialization */
zylonite_pxa300_init();
zylonite_pxa320_init();
/*
* Note: We depend that the bootloader set
* the correct value to MSC register for SMC91x.
*/
smc91x_resources[1].start = gpio_to_irq(gpio_eth_irq);
smc91x_resources[1].end = gpio_to_irq(gpio_eth_irq);
platform_device_register(&smc91x_device);
zylonite_init_lcd();
zylonite_init_mmc();
}
MACHINE_START(ZYLONITE, "PXA3xx Platform Development Kit (aka Zylonite)")
.phys_io = 0x40000000,
.boot_params = 0xa0000100,
.io_pg_offst = (io_p2v(0x40000000) >> 18) & 0xfffc,
.map_io = pxa_map_io,
.init_irq = pxa3xx_init_irq,
.timer = &pxa_timer,
.init_machine = zylonite_init,
MACHINE_END
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