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linux/arch/arm/mach-omap1/board-palmz71.c
Tony Lindgren 652bcd8f72 omap mmc: Remove broken MMC init code 
Most of the omap1 MMC boards got broken by an earlier patch
138ab9f832. If you look closely,
the MMC init funtions are pretty much just stubs.

Remove broken init code to make room for cleaner MMC init code.

Cc: Pierre Ossman <drzeus-mmc@drzeus.cx>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2008-12-10 17:37:16 -08:00

372 lines
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/*
* linux/arch/arm/mach-omap1/board-palmz71.c
*
* Modified from board-generic.c
*
* Support for the Palm Zire71 PDA.
*
* Original version : Laurent Gonzalez
*
* Modified for zire71 : Marek Vasut
*
* 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/delay.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/notifier.h>
#include <linux/clk.h>
#include <linux/irq.h>
#include <linux/input.h>
#include <linux/interrupt.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/flash.h>
#include <mach/mcbsp.h>
#include <mach/gpio.h>
#include <mach/mux.h>
#include <mach/usb.h>
#include <mach/dma.h>
#include <mach/tc.h>
#include <mach/board.h>
#include <mach/irda.h>
#include <mach/keypad.h>
#include <mach/common.h>
#include <mach/omap-alsa.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
static void __init
omap_palmz71_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
omap_gpio_init();
}
static int palmz71_keymap[] = {
KEY(0, 0, KEY_F1),
KEY(0, 1, KEY_F2),
KEY(0, 2, KEY_F3),
KEY(0, 3, KEY_F4),
KEY(0, 4, KEY_POWER),
KEY(1, 0, KEY_LEFT),
KEY(1, 1, KEY_DOWN),
KEY(1, 2, KEY_UP),
KEY(1, 3, KEY_RIGHT),
KEY(1, 4, KEY_ENTER),
KEY(2, 0, KEY_CAMERA),
0,
};
static struct omap_kp_platform_data palmz71_kp_data = {
.rows = 8,
.cols = 8,
.keymap = palmz71_keymap,
.rep = 1,
.delay = 80,
};
static struct resource palmz71_kp_resources[] = {
[0] = {
.start = INT_KEYBOARD,
.end = INT_KEYBOARD,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device palmz71_kp_device = {
.name = "omap-keypad",
.id = -1,
.dev = {
.platform_data = &palmz71_kp_data,
},
.num_resources = ARRAY_SIZE(palmz71_kp_resources),
.resource = palmz71_kp_resources,
};
static struct mtd_partition palmz71_rom_partitions[] = {
/* PalmOS "Small ROM", contains the bootloader and the debugger */
{
.name = "smallrom",
.offset = 0,
.size = 0xa000,
.mask_flags = MTD_WRITEABLE,
},
/* PalmOS "Big ROM", a filesystem with all the OS code and data */
{
.name = "bigrom",
.offset = SZ_128K,
/*
* 0x5f0000 bytes big in the multi-language ("EFIGS") version,
* 0x7b0000 bytes in the English-only ("enUS") version.
*/
.size = 0x7b0000,
.mask_flags = MTD_WRITEABLE,
},
};
static struct flash_platform_data palmz71_rom_data = {
.map_name = "map_rom",
.name = "onboardrom",
.width = 2,
.parts = palmz71_rom_partitions,
.nr_parts = ARRAY_SIZE(palmz71_rom_partitions),
};
static struct resource palmz71_rom_resource = {
.start = OMAP_CS0_PHYS,
.end = OMAP_CS0_PHYS + SZ_8M - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device palmz71_rom_device = {
.name = "omapflash",
.id = -1,
.dev = {
.platform_data = &palmz71_rom_data,
},
.num_resources = 1,
.resource = &palmz71_rom_resource,
};
static struct platform_device palmz71_lcd_device = {
.name = "lcd_palmz71",
.id = -1,
};
static struct omap_irda_config palmz71_irda_config = {
.transceiver_cap = IR_SIRMODE,
.rx_channel = OMAP_DMA_UART3_RX,
.tx_channel = OMAP_DMA_UART3_TX,
.dest_start = UART3_THR,
.src_start = UART3_RHR,
.tx_trigger = 0,
.rx_trigger = 0,
};
static struct resource palmz71_irda_resources[] = {
[0] = {
.start = INT_UART3,
.end = INT_UART3,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device palmz71_irda_device = {
.name = "omapirda",
.id = -1,
.dev = {
.platform_data = &palmz71_irda_config,
},
.num_resources = ARRAY_SIZE(palmz71_irda_resources),
.resource = palmz71_irda_resources,
};
static struct platform_device palmz71_spi_device = {
.name = "spi_palmz71",
.id = -1,
};
#define DEFAULT_BITPERSAMPLE 16
static struct omap_mcbsp_reg_cfg mcbsp_regs = {
.spcr2 = FREE | FRST | GRST | XRST | XINTM(3),
.spcr1 = RINTM(3) | RRST,
.rcr2 = RPHASE | RFRLEN2(OMAP_MCBSP_WORD_8) |
RWDLEN2(OMAP_MCBSP_WORD_16) | RDATDLY(0),
.rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
.xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(0) | XFIG,
.xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
.srgr1 = FWID(DEFAULT_BITPERSAMPLE - 1),
.srgr2 = GSYNC | CLKSP | FSGM | FPER(DEFAULT_BITPERSAMPLE * 2 - 1),
.pcr0 = CLKXP | CLKRP, /* mcbsp: slave */
};
static struct omap_alsa_codec_config alsa_config = {
.name = "PalmZ71 AIC23",
.mcbsp_regs_alsa = &mcbsp_regs,
.codec_configure_dev = NULL, /* aic23_configure */
.codec_set_samplerate = NULL, /* aic23_set_samplerate */
.codec_clock_setup = NULL, /* aic23_clock_setup */
.codec_clock_on = NULL, /* aic23_clock_on */
.codec_clock_off = NULL, /* aic23_clock_off */
.get_default_samplerate = NULL, /* aic23_get_default_samplerate */
};
static struct platform_device palmz71_mcbsp1_device = {
.name = "omap_alsa_mcbsp",
.id = 1,
.dev = {
.platform_data = &alsa_config,
},
};
static struct omap_backlight_config palmz71_backlight_config = {
.default_intensity = 0xa0,
};
static struct platform_device palmz71_backlight_device = {
.name = "omap-bl",
.id = -1,
.dev = {
.platform_data = &palmz71_backlight_config,
},
};
static struct platform_device *devices[] __initdata = {
&palmz71_rom_device,
&palmz71_kp_device,
&palmz71_mcbsp1_device,
&palmz71_lcd_device,
&palmz71_irda_device,
&palmz71_spi_device,
&palmz71_backlight_device,
};
static int
palmz71_get_pendown_state(void)
{
return !gpio_get_value(PALMZ71_PENIRQ_GPIO);
}
static const struct ads7846_platform_data palmz71_ts_info = {
.model = 7846,
.vref_delay_usecs = 100, /* internal, no capacitor */
.x_plate_ohms = 419,
.y_plate_ohms = 486,
.get_pendown_state = palmz71_get_pendown_state,
};
static struct spi_board_info __initdata palmz71_boardinfo[] = { {
/* MicroWire (bus 2) CS0 has an ads7846e */
.modalias = "ads7846",
.platform_data = &palmz71_ts_info,
.irq = OMAP_GPIO_IRQ(PALMZ71_PENIRQ_GPIO),
.max_speed_hz = 120000 /* max sample rate at 3V */
* 26 /* command + data + overhead */,
.bus_num = 2,
.chip_select = 0,
} };
static struct omap_usb_config palmz71_usb_config __initdata = {
.register_dev = 1, /* Mini-B only receptacle */
.hmc_mode = 0,
.pins[0] = 2,
};
static struct omap_lcd_config palmz71_lcd_config __initdata = {
.ctrl_name = "internal",
};
static struct omap_uart_config palmz71_uart_config __initdata = {
.enabled_uarts = (1 << 0) | (1 << 1) | (0 << 2),
};
static struct omap_board_config_kernel palmz71_config[] __initdata = {
{OMAP_TAG_USB, &palmz71_usb_config},
{OMAP_TAG_LCD, &palmz71_lcd_config},
{OMAP_TAG_UART, &palmz71_uart_config},
};
static irqreturn_t
palmz71_powercable(int irq, void *dev_id)
{
if (gpio_get_value(PALMZ71_USBDETECT_GPIO)) {
printk(KERN_INFO "PM: Power cable connected\n");
set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
IRQ_TYPE_EDGE_FALLING);
} else {
printk(KERN_INFO "PM: Power cable disconnected\n");
set_irq_type(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
IRQ_TYPE_EDGE_RISING);
}
return IRQ_HANDLED;
}
static void __init
omap_mpu_wdt_mode(int mode)
{
if (mode)
omap_writew(0x8000, OMAP_WDT_TIMER_MODE);
else {
omap_writew(0x00f5, OMAP_WDT_TIMER_MODE);
omap_writew(0x00a0, OMAP_WDT_TIMER_MODE);
}
}
static void __init
palmz71_gpio_setup(int early)
{
if (early) {
/* Only set GPIO1 so we have a working serial */
gpio_direction_output(1, 1);
} else {
/* Set MMC/SD host WP pin as input */
if (gpio_request(PALMZ71_MMC_WP_GPIO, "MMC WP") < 0) {
printk(KERN_ERR "Could not reserve WP GPIO!\n");
return;
}
gpio_direction_input(PALMZ71_MMC_WP_GPIO);
/* Monitor the Power-cable-connected signal */
if (gpio_request(PALMZ71_USBDETECT_GPIO, "USB detect") < 0) {
printk(KERN_ERR
"Could not reserve cable signal GPIO!\n");
return;
}
gpio_direction_input(PALMZ71_USBDETECT_GPIO);
if (request_irq(gpio_to_irq(PALMZ71_USBDETECT_GPIO),
palmz71_powercable, IRQF_SAMPLE_RANDOM,
"palmz71-cable", 0))
printk(KERN_ERR
"IRQ request for power cable failed!\n");
palmz71_powercable(gpio_to_irq(PALMZ71_USBDETECT_GPIO), 0);
}
}
static void __init
omap_palmz71_init(void)
{
palmz71_gpio_setup(1);
omap_mpu_wdt_mode(0);
omap_board_config = palmz71_config;
omap_board_config_size = ARRAY_SIZE(palmz71_config);
platform_add_devices(devices, ARRAY_SIZE(devices));
spi_register_board_info(palmz71_boardinfo,
ARRAY_SIZE(palmz71_boardinfo));
omap_serial_init();
omap_register_i2c_bus(1, 100, NULL, 0);
palmz71_gpio_setup(0);
}
static void __init
omap_palmz71_map_io(void)
{
omap1_map_common_io();
}
MACHINE_START(OMAP_PALMZ71, "OMAP310 based Palm Zire71")
.phys_io = 0xfff00000,
.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
.boot_params = 0x10000100,.map_io = omap_palmz71_map_io,
.init_irq = omap_palmz71_init_irq,
.init_machine = omap_palmz71_init,
.timer = &omap_timer,
MACHINE_END
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