291 lines
6.1 KiB
C
291 lines
6.1 KiB
C
/*
|
|
* linux/arch/arm/mach-pxa/idp.c
|
|
*
|
|
* 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.
|
|
*
|
|
* Copyright (c) 2001 Cliff Brake, Accelent Systems Inc.
|
|
*
|
|
* 2001-09-13: Cliff Brake <cbrake@accelent.com>
|
|
* Initial code
|
|
*
|
|
* 2005-02-15: Cliff Brake <cliff.brake@gmail.com>
|
|
* <http://www.vibren.com> <http://bec-systems.com>
|
|
* Updated for 2.6 kernel
|
|
*
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/irq.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/fb.h>
|
|
|
|
#include <asm/setup.h>
|
|
#include <asm/memory.h>
|
|
#include <asm/mach-types.h>
|
|
#include <mach/hardware.h>
|
|
#include <asm/irq.h>
|
|
|
|
#include <asm/mach/arch.h>
|
|
#include <asm/mach/map.h>
|
|
|
|
#include <mach/pxa25x.h>
|
|
#include <mach/idp.h>
|
|
#include <linux/platform_data/video-pxafb.h>
|
|
#include <mach/bitfield.h>
|
|
#include <linux/platform_data/mmc-pxamci.h>
|
|
|
|
#include "generic.h"
|
|
#include "devices.h"
|
|
|
|
/* TODO:
|
|
* - add pxa2xx_audio_ops_t device structure
|
|
* - Ethernet interrupt
|
|
*/
|
|
|
|
static unsigned long idp_pin_config[] __initdata = {
|
|
/* LCD */
|
|
GPIOxx_LCD_DSTN_16BPP,
|
|
|
|
/* BTUART */
|
|
GPIO42_BTUART_RXD,
|
|
GPIO43_BTUART_TXD,
|
|
GPIO44_BTUART_CTS,
|
|
GPIO45_BTUART_RTS,
|
|
|
|
/* STUART */
|
|
GPIO46_STUART_RXD,
|
|
GPIO47_STUART_TXD,
|
|
|
|
/* MMC */
|
|
GPIO6_MMC_CLK,
|
|
GPIO8_MMC_CS0,
|
|
|
|
/* Ethernet */
|
|
GPIO33_nCS_5, /* Ethernet CS */
|
|
GPIO4_GPIO, /* Ethernet IRQ */
|
|
};
|
|
|
|
static struct resource smc91x_resources[] = {
|
|
[0] = {
|
|
.start = (IDP_ETH_PHYS + 0x300),
|
|
.end = (IDP_ETH_PHYS + 0xfffff),
|
|
.flags = IORESOURCE_MEM,
|
|
},
|
|
[1] = {
|
|
.start = PXA_GPIO_TO_IRQ(4),
|
|
.end = PXA_GPIO_TO_IRQ(4),
|
|
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
|
|
}
|
|
};
|
|
|
|
static struct smc91x_platdata smc91x_platdata = {
|
|
.flags = SMC91X_USE_32BIT | SMC91X_USE_DMA | SMC91X_NOWAIT,
|
|
};
|
|
|
|
static struct platform_device smc91x_device = {
|
|
.name = "smc91x",
|
|
.id = 0,
|
|
.num_resources = ARRAY_SIZE(smc91x_resources),
|
|
.resource = smc91x_resources,
|
|
.dev.platform_data = &smc91x_platdata,
|
|
};
|
|
|
|
static void idp_backlight_power(int on)
|
|
{
|
|
if (on) {
|
|
IDP_CPLD_LCD |= (1<<1);
|
|
} else {
|
|
IDP_CPLD_LCD &= ~(1<<1);
|
|
}
|
|
}
|
|
|
|
static void idp_vlcd(int on)
|
|
{
|
|
if (on) {
|
|
IDP_CPLD_LCD |= (1<<2);
|
|
} else {
|
|
IDP_CPLD_LCD &= ~(1<<2);
|
|
}
|
|
}
|
|
|
|
static void idp_lcd_power(int on, struct fb_var_screeninfo *var)
|
|
{
|
|
if (on) {
|
|
IDP_CPLD_LCD |= (1<<0);
|
|
} else {
|
|
IDP_CPLD_LCD &= ~(1<<0);
|
|
}
|
|
|
|
/* call idp_vlcd for now as core driver does not support
|
|
* both power and vlcd hooks. Note, this is not technically
|
|
* the correct sequence, but seems to work. Disclaimer:
|
|
* this may eventually damage the display.
|
|
*/
|
|
|
|
idp_vlcd(on);
|
|
}
|
|
|
|
static struct pxafb_mode_info sharp_lm8v31_mode = {
|
|
.pixclock = 270000,
|
|
.xres = 640,
|
|
.yres = 480,
|
|
.bpp = 16,
|
|
.hsync_len = 1,
|
|
.left_margin = 3,
|
|
.right_margin = 3,
|
|
.vsync_len = 1,
|
|
.upper_margin = 0,
|
|
.lower_margin = 0,
|
|
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
|
|
.cmap_greyscale = 0,
|
|
};
|
|
|
|
static struct pxafb_mach_info sharp_lm8v31 = {
|
|
.modes = &sharp_lm8v31_mode,
|
|
.num_modes = 1,
|
|
.cmap_inverse = 0,
|
|
.cmap_static = 0,
|
|
.lcd_conn = LCD_COLOR_DSTN_16BPP | LCD_PCLK_EDGE_FALL |
|
|
LCD_AC_BIAS_FREQ(255),
|
|
.pxafb_backlight_power = &idp_backlight_power,
|
|
.pxafb_lcd_power = &idp_lcd_power
|
|
};
|
|
|
|
static struct pxamci_platform_data idp_mci_platform_data = {
|
|
.ocr_mask = MMC_VDD_32_33|MMC_VDD_33_34,
|
|
.gpio_card_detect = -1,
|
|
.gpio_card_ro = -1,
|
|
.gpio_power = -1,
|
|
};
|
|
|
|
static void __init idp_init(void)
|
|
{
|
|
printk("idp_init()\n");
|
|
|
|
pxa2xx_mfp_config(ARRAY_AND_SIZE(idp_pin_config));
|
|
pxa_set_ffuart_info(NULL);
|
|
pxa_set_btuart_info(NULL);
|
|
pxa_set_stuart_info(NULL);
|
|
|
|
platform_device_register(&smc91x_device);
|
|
//platform_device_register(&mst_audio_device);
|
|
pxa_set_fb_info(NULL, &sharp_lm8v31);
|
|
pxa_set_mci_info(&idp_mci_platform_data);
|
|
}
|
|
|
|
static struct map_desc idp_io_desc[] __initdata = {
|
|
{
|
|
.virtual = IDP_COREVOLT_VIRT,
|
|
.pfn = __phys_to_pfn(IDP_COREVOLT_PHYS),
|
|
.length = IDP_COREVOLT_SIZE,
|
|
.type = MT_DEVICE
|
|
}, {
|
|
.virtual = IDP_CPLD_VIRT,
|
|
.pfn = __phys_to_pfn(IDP_CPLD_PHYS),
|
|
.length = IDP_CPLD_SIZE,
|
|
.type = MT_DEVICE
|
|
}
|
|
};
|
|
|
|
static void __init idp_map_io(void)
|
|
{
|
|
pxa25x_map_io();
|
|
iotable_init(idp_io_desc, ARRAY_SIZE(idp_io_desc));
|
|
}
|
|
|
|
/* LEDs */
|
|
#if defined(CONFIG_NEW_LEDS) && defined(CONFIG_LEDS_CLASS)
|
|
struct idp_led {
|
|
struct led_classdev cdev;
|
|
u8 mask;
|
|
};
|
|
|
|
/*
|
|
* The triggers lines up below will only be used if the
|
|
* LED triggers are compiled in.
|
|
*/
|
|
static const struct {
|
|
const char *name;
|
|
const char *trigger;
|
|
} idp_leds[] = {
|
|
{ "idp:green", "heartbeat", },
|
|
{ "idp:red", "cpu0", },
|
|
};
|
|
|
|
static void idp_led_set(struct led_classdev *cdev,
|
|
enum led_brightness b)
|
|
{
|
|
struct idp_led *led = container_of(cdev,
|
|
struct idp_led, cdev);
|
|
u32 reg = IDP_CPLD_LED_CONTROL;
|
|
|
|
if (b != LED_OFF)
|
|
reg &= ~led->mask;
|
|
else
|
|
reg |= led->mask;
|
|
|
|
IDP_CPLD_LED_CONTROL = reg;
|
|
}
|
|
|
|
static enum led_brightness idp_led_get(struct led_classdev *cdev)
|
|
{
|
|
struct idp_led *led = container_of(cdev,
|
|
struct idp_led, cdev);
|
|
|
|
return (IDP_CPLD_LED_CONTROL & led->mask) ? LED_OFF : LED_FULL;
|
|
}
|
|
|
|
static int __init idp_leds_init(void)
|
|
{
|
|
int i;
|
|
|
|
if (!machine_is_pxa_idp())
|
|
return -ENODEV;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(idp_leds); i++) {
|
|
struct idp_led *led;
|
|
|
|
led = kzalloc(sizeof(*led), GFP_KERNEL);
|
|
if (!led)
|
|
break;
|
|
|
|
led->cdev.name = idp_leds[i].name;
|
|
led->cdev.brightness_set = idp_led_set;
|
|
led->cdev.brightness_get = idp_led_get;
|
|
led->cdev.default_trigger = idp_leds[i].trigger;
|
|
|
|
if (i == 0)
|
|
led->mask = IDP_HB_LED;
|
|
else
|
|
led->mask = IDP_BUSY_LED;
|
|
|
|
if (led_classdev_register(NULL, &led->cdev) < 0) {
|
|
kfree(led);
|
|
break;
|
|
}
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Since we may have triggers on any subsystem, defer registration
|
|
* until after subsystem_init.
|
|
*/
|
|
fs_initcall(idp_leds_init);
|
|
#endif
|
|
|
|
MACHINE_START(PXA_IDP, "Vibren PXA255 IDP")
|
|
/* Maintainer: Vibren Technologies */
|
|
.map_io = idp_map_io,
|
|
.nr_irqs = PXA_NR_IRQS,
|
|
.init_irq = pxa25x_init_irq,
|
|
.handle_irq = pxa25x_handle_irq,
|
|
.init_time = pxa_timer_init,
|
|
.init_machine = idp_init,
|
|
.restart = pxa_restart,
|
|
MACHINE_END
|