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linux-loongson/arch/arm/mach-pxa/littleton.c
Linus Torvalds 021db8e2bd Merge branch 'next-spi' of git://git.secretlab.ca/git/linux-2.6 
* 'next-spi' of git://git.secretlab.ca/git/linux-2.6: (77 commits)
  spi/omap: Fix DMA API usage in OMAP MCSPI driver
  spi/imx: correct the test on platform_get_irq() return value
  spi/topcliff: Typo fix threhold to threshold
  spi/dw_spi Typo change diable to disable.
  spi/fsl_espi: change the read behaviour of the SPIRF
  spi/mpc52xx-psc-spi: move probe/remove to proper sections
  spi/dw_spi: add DMA support
  spi/dw_spi: change to EXPORT_SYMBOL_GPL for exported APIs
  spi/dw_spi: Fix too short timeout in spi polling loop
  spi/pl022: convert running variable
  spi/pl022: convert busy flag to a bool
  spi/pl022: pass the returned sglen to the DMA engine
  spi/pl022: map the buffers on the DMA engine
  spi/topcliff_pch: Fix data transfer issue
  spi/imx: remove autodetection
  spi/pxa2xx: pass of_node to spi device and set a parent device
  spi/pxa2xx: Modify RX-Tresh instead of busy-loop for the remaining RX bytes.
  spi/pxa2xx: Add chipselect support for Sodaville
  spi/pxa2xx: Consider CE4100's FIFO depth
  spi/pxa2xx: Add CE4100 support
  ...
2011-01-07 17:08:46 -08:00

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/*
* linux/arch/arm/mach-pxa/littleton.c
*
* Support for the Marvell Littleton Development Platform.
*
* Author: Jason Chagas (largely modified code)
* Created: Nov 20, 2006
* Copyright: (C) Copyright 2006 Marvell International Ltd.
*
* 2007-11-22 modified to align with latest kernel
* eric miao <eric.miao@marvell.com>
*
* 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
* publishhed by the Free Software Foundation.
*/
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/gpio.h>
#include <linux/spi/spi.h>
#include <linux/spi/pxa2xx_spi.h>
#include <linux/smc91x.h>
#include <linux/i2c.h>
#include <linux/leds.h>
#include <linux/mfd/da903x.h>
#include <linux/i2c/max732x.h>
#include <asm/types.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 <asm/mach/irq.h>
#include <mach/pxa300.h>
#include <mach/pxafb.h>
#include <mach/mmc.h>
#include <plat/pxa27x_keypad.h>
#include <mach/littleton.h>
#include <plat/i2c.h>
#include <plat/pxa3xx_nand.h>
#include "generic.h"
#define GPIO_MMC1_CARD_DETECT mfp_to_gpio(MFP_PIN_GPIO15)
/* Littleton MFP configurations */
static mfp_cfg_t littleton_mfp_cfg[] __initdata = {
/* LCD */
GPIO54_LCD_LDD_0,
GPIO55_LCD_LDD_1,
GPIO56_LCD_LDD_2,
GPIO57_LCD_LDD_3,
GPIO58_LCD_LDD_4,
GPIO59_LCD_LDD_5,
GPIO60_LCD_LDD_6,
GPIO61_LCD_LDD_7,
GPIO62_LCD_LDD_8,
GPIO63_LCD_LDD_9,
GPIO64_LCD_LDD_10,
GPIO65_LCD_LDD_11,
GPIO66_LCD_LDD_12,
GPIO67_LCD_LDD_13,
GPIO68_LCD_LDD_14,
GPIO69_LCD_LDD_15,
GPIO70_LCD_LDD_16,
GPIO71_LCD_LDD_17,
GPIO72_LCD_FCLK,
GPIO73_LCD_LCLK,
GPIO74_LCD_PCLK,
GPIO75_LCD_BIAS,
/* SSP2 */
GPIO25_SSP2_SCLK,
GPIO27_SSP2_TXD,
GPIO17_GPIO, /* SFRM as chip-select */
/* Debug Ethernet */
GPIO90_GPIO,
/* Keypad */
GPIO107_KP_DKIN_0,
GPIO108_KP_DKIN_1,
GPIO115_KP_MKIN_0,
GPIO116_KP_MKIN_1,
GPIO117_KP_MKIN_2,
GPIO118_KP_MKIN_3,
GPIO119_KP_MKIN_4,
GPIO120_KP_MKIN_5,
GPIO121_KP_MKOUT_0,
GPIO122_KP_MKOUT_1,
GPIO123_KP_MKOUT_2,
GPIO124_KP_MKOUT_3,
GPIO125_KP_MKOUT_4,
/* MMC1 */
GPIO3_MMC1_DAT0,
GPIO4_MMC1_DAT1,
GPIO5_MMC1_DAT2,
GPIO6_MMC1_DAT3,
GPIO7_MMC1_CLK,
GPIO8_MMC1_CMD,
GPIO15_GPIO, /* card detect */
/* UART3 */
GPIO107_UART3_CTS,
GPIO108_UART3_RTS,
GPIO109_UART3_TXD,
GPIO110_UART3_RXD,
};
static struct resource smc91x_resources[] = {
[0] = {
.start = (LITTLETON_ETH_PHYS + 0x300),
.end = (LITTLETON_ETH_PHYS + 0xfffff),
.flags = IORESOURCE_MEM,
},
[1] = {
.start = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
.end = IRQ_GPIO(mfp_to_gpio(MFP_PIN_GPIO90)),
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
}
};
static struct smc91x_platdata littleton_smc91x_info = {
.flags = SMC91X_USE_8BIT | SMC91X_USE_16BIT |
SMC91X_NOWAIT | SMC91X_USE_DMA,
};
static struct platform_device smc91x_device = {
.name = "smc91x",
.id = 0,
.num_resources = ARRAY_SIZE(smc91x_resources),
.resource = smc91x_resources,
.dev = {
.platform_data = &littleton_smc91x_info,
},
};
#if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE)
static struct pxafb_mode_info tpo_tdo24mtea1_modes[] = {
[0] = {
/* VGA */
.pixclock = 38250,
.xres = 480,
.yres = 640,
.bpp = 16,
.hsync_len = 8,
.left_margin = 8,
.right_margin = 24,
.vsync_len = 2,
.upper_margin = 2,
.lower_margin = 4,
.sync = 0,
},
[1] = {
/* QVGA */
.pixclock = 153000,
.xres = 240,
.yres = 320,
.bpp = 16,
.hsync_len = 8,
.left_margin = 8,
.right_margin = 88,
.vsync_len = 2,
.upper_margin = 2,
.lower_margin = 2,
.sync = 0,
},
};
static struct pxafb_mach_info littleton_lcd_info = {
.modes = tpo_tdo24mtea1_modes,
.num_modes = 2,
.lcd_conn = LCD_COLOR_TFT_16BPP,
};
static void littleton_init_lcd(void)
{
set_pxa_fb_info(&littleton_lcd_info);
}
#else
static inline void littleton_init_lcd(void) {};
#endif /* CONFIG_FB_PXA || CONFIG_FB_PXA_MODULE */
#if defined(CONFIG_SPI_PXA2XX) || defined(CONFIG_SPI_PXA2XX_MODULE)
static struct pxa2xx_spi_master littleton_spi_info = {
.num_chipselect = 1,
};
static struct pxa2xx_spi_chip littleton_tdo24m_chip = {
.rx_threshold = 1,
.tx_threshold = 1,
.gpio_cs = LITTLETON_GPIO_LCD_CS,
};
static struct spi_board_info littleton_spi_devices[] __initdata = {
{
.modalias = "tdo24m",
.max_speed_hz = 1000000,
.bus_num = 2,
.chip_select = 0,
.controller_data= &littleton_tdo24m_chip,
},
};
static void __init littleton_init_spi(void)
{
pxa2xx_set_spi_info(2, &littleton_spi_info);
spi_register_board_info(ARRAY_AND_SIZE(littleton_spi_devices));
}
#else
static inline void littleton_init_spi(void) {}
#endif
#if defined(CONFIG_KEYBOARD_PXA27x) || defined(CONFIG_KEYBOARD_PXA27x_MODULE)
static unsigned int littleton_matrix_key_map[] = {
/* KEY(row, col, key_code) */
KEY(1, 3, KEY_0), KEY(0, 0, KEY_1), KEY(1, 0, KEY_2), KEY(2, 0, KEY_3),
KEY(0, 1, KEY_4), KEY(1, 1, KEY_5), KEY(2, 1, KEY_6), KEY(0, 2, KEY_7),
KEY(1, 2, KEY_8), KEY(2, 2, KEY_9),
KEY(0, 3, KEY_KPASTERISK), /* * */
KEY(2, 3, KEY_KPDOT), /* # */
KEY(5, 4, KEY_ENTER),
KEY(5, 0, KEY_UP),
KEY(5, 1, KEY_DOWN),
KEY(5, 2, KEY_LEFT),
KEY(5, 3, KEY_RIGHT),
KEY(3, 2, KEY_HOME),
KEY(4, 1, KEY_END),
KEY(3, 3, KEY_BACK),
KEY(4, 0, KEY_SEND),
KEY(4, 2, KEY_VOLUMEUP),
KEY(4, 3, KEY_VOLUMEDOWN),
KEY(3, 0, KEY_F22), /* soft1 */
KEY(3, 1, KEY_F23), /* soft2 */
};
static struct pxa27x_keypad_platform_data littleton_keypad_info = {
.matrix_key_rows = 6,
.matrix_key_cols = 5,
.matrix_key_map = littleton_matrix_key_map,
.matrix_key_map_size = ARRAY_SIZE(littleton_matrix_key_map),
.enable_rotary0 = 1,
.rotary0_up_key = KEY_UP,
.rotary0_down_key = KEY_DOWN,
.debounce_interval = 30,
};
static void __init littleton_init_keypad(void)
{
pxa_set_keypad_info(&littleton_keypad_info);
}
#else
static inline void littleton_init_keypad(void) {}
#endif
#if defined(CONFIG_MMC_PXA) || defined(CONFIG_MMC_PXA_MODULE)
static struct pxamci_platform_data littleton_mci_platform_data = {
.detect_delay_ms = 200,
.ocr_mask = MMC_VDD_32_33 | MMC_VDD_33_34,
.gpio_card_detect = GPIO_MMC1_CARD_DETECT,
.gpio_card_ro = -1,
.gpio_power = -1,
};
static void __init littleton_init_mmc(void)
{
pxa_set_mci_info(&littleton_mci_platform_data);
}
#else
static inline void littleton_init_mmc(void) {}
#endif
#if defined(CONFIG_MTD_NAND_PXA3xx) || defined(CONFIG_MTD_NAND_PXA3xx_MODULE)
static struct mtd_partition littleton_nand_partitions[] = {
[0] = {
.name = "Bootloader",
.offset = 0,
.size = 0x060000,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
[1] = {
.name = "Kernel",
.offset = 0x060000,
.size = 0x200000,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
[2] = {
.name = "Filesystem",
.offset = 0x0260000,
.size = 0x3000000, /* 48M - rootfs */
},
[3] = {
.name = "MassStorage",
.offset = 0x3260000,
.size = 0x3d40000,
},
[4] = {
.name = "BBT",
.offset = 0x6FA0000,
.size = 0x80000,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
/* NOTE: we reserve some blocks at the end of the NAND flash for
* bad block management, and the max number of relocation blocks
* differs on different platforms. Please take care with it when
* defining the partition table.
*/
};
static struct pxa3xx_nand_platform_data littleton_nand_info = {
.enable_arbiter = 1,
.parts = littleton_nand_partitions,
.nr_parts = ARRAY_SIZE(littleton_nand_partitions),
};
static void __init littleton_init_nand(void)
{
pxa3xx_set_nand_info(&littleton_nand_info);
}
#else
static inline void littleton_init_nand(void) {}
#endif /* CONFIG_MTD_NAND_PXA3xx || CONFIG_MTD_NAND_PXA3xx_MODULE */
#if defined(CONFIG_I2C_PXA) || defined(CONFIG_I2C_PXA_MODULE)
static struct led_info littleton_da9034_leds[] = {
[0] = {
.name = "littleton:keypad1",
.flags = DA9034_LED_RAMP,
},
[1] = {
.name = "littleton:keypad2",
.flags = DA9034_LED_RAMP,
},
[2] = {
.name = "littleton:vibra",
.flags = 0,
},
};
static struct da9034_touch_pdata littleton_da9034_touch = {
.x_inverted = 1,
.interval_ms = 20,
};
static struct da903x_subdev_info littleton_da9034_subdevs[] = {
{
.name = "da903x-led",
.id = DA9034_ID_LED_1,
.platform_data = &littleton_da9034_leds[0],
}, {
.name = "da903x-led",
.id = DA9034_ID_LED_2,
.platform_data = &littleton_da9034_leds[1],
}, {
.name = "da903x-led",
.id = DA9034_ID_VIBRA,
.platform_data = &littleton_da9034_leds[2],
}, {
.name = "da903x-backlight",
.id = DA9034_ID_WLED,
}, {
.name = "da9034-touch",
.id = DA9034_ID_TOUCH,
.platform_data = &littleton_da9034_touch,
},
};
static struct da903x_platform_data littleton_da9034_info = {
.num_subdevs = ARRAY_SIZE(littleton_da9034_subdevs),
.subdevs = littleton_da9034_subdevs,
};
static struct max732x_platform_data littleton_max7320_info = {
.gpio_base = EXT0_GPIO_BASE,
};
static struct i2c_board_info littleton_i2c_info[] = {
[0] = {
.type = "da9034",
.addr = 0x34,
.platform_data = &littleton_da9034_info,
.irq = gpio_to_irq(mfp_to_gpio(MFP_PIN_GPIO18)),
},
[1] = {
.type = "max7320",
.addr = 0x50,
.platform_data = &littleton_max7320_info,
},
};
static void __init littleton_init_i2c(void)
{
pxa_set_i2c_info(NULL);
i2c_register_board_info(0, ARRAY_AND_SIZE(littleton_i2c_info));
}
#else
static inline void littleton_init_i2c(void) {}
#endif /* CONFIG_I2C_PXA || CONFIG_I2C_PXA_MODULE */
static void __init littleton_init(void)
{
/* initialize MFP configurations */
pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
pxa_set_ffuart_info(NULL);
pxa_set_btuart_info(NULL);
pxa_set_stuart_info(NULL);
/*
* Note: we depend bootloader set the correct
* value to MSC register for SMC91x.
*/
platform_device_register(&smc91x_device);
littleton_init_spi();
littleton_init_i2c();
littleton_init_mmc();
littleton_init_lcd();
littleton_init_keypad();
littleton_init_nand();
}
MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
.boot_params = 0xa0000100,
.map_io = pxa3xx_map_io,
.nr_irqs = LITTLETON_NR_IRQS,
.init_irq = pxa3xx_init_irq,
.timer = &pxa_timer,
.init_machine = littleton_init,
MACHINE_END
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