forked from luck/tmp_suning_uos_patched
5a1f21b1e5
This patch is to add the third mmc controller support _only_ for pxa310. On zylonite, the third controller support one slot. Signed-off-by: Bridge Wu <bridge.wu@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
279 lines
6.4 KiB
C
279 lines
6.4 KiB
C
/*
|
|
* 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 3
|
|
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);
|
|
if (cpu_is_pxa310())
|
|
pxa3xx_set_mci3_info(&zylonite_mci_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
|