mirror of
https://github.com/torvalds/linux
synced 2024-11-05 18:23:50 +00:00
24ff4cdde7
Signed-off-by: Eric Miao <eric.miao@marvell.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
342 lines
8 KiB
C
342 lines
8 KiB
C
/*
|
|
* 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/spi/spi.h>
|
|
#include <linux/smc91x.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/pxa-regs.h>
|
|
#include <mach/mfp-pxa300.h>
|
|
#include <mach/gpio.h>
|
|
#include <mach/pxafb.h>
|
|
#include <mach/ssp.h>
|
|
#include <mach/pxa2xx_spi.h>
|
|
#include <mach/pxa27x_keypad.h>
|
|
#include <mach/pxa3xx_nand.h>
|
|
#include <mach/littleton.h>
|
|
|
|
#include "generic.h"
|
|
|
|
/* 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,
|
|
};
|
|
|
|
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 void littleton_tdo24m_cs(u32 cmd)
|
|
{
|
|
gpio_set_value(LITTLETON_GPIO_LCD_CS, !(cmd == PXA2XX_CS_ASSERT));
|
|
}
|
|
|
|
static struct pxa2xx_spi_chip littleton_tdo24m_chip = {
|
|
.rx_threshold = 1,
|
|
.tx_threshold = 1,
|
|
.cs_control = littleton_tdo24m_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)
|
|
{
|
|
int err;
|
|
|
|
err = gpio_request(LITTLETON_GPIO_LCD_CS, "LCD_CS");
|
|
if (err) {
|
|
pr_warning("failed to request GPIO for LCS CS\n");
|
|
return;
|
|
}
|
|
|
|
gpio_direction_output(LITTLETON_GPIO_LCD_CS, 1);
|
|
|
|
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_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 */
|
|
|
|
static void __init littleton_init(void)
|
|
{
|
|
/* initialize MFP configurations */
|
|
pxa3xx_mfp_config(ARRAY_AND_SIZE(littleton_mfp_cfg));
|
|
|
|
/*
|
|
* Note: we depend bootloader set the correct
|
|
* value to MSC register for SMC91x.
|
|
*/
|
|
platform_device_register(&smc91x_device);
|
|
|
|
littleton_init_spi();
|
|
littleton_init_lcd();
|
|
littleton_init_keypad();
|
|
littleton_init_nand();
|
|
}
|
|
|
|
MACHINE_START(LITTLETON, "Marvell Form Factor Development Platform (aka Littleton)")
|
|
.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 = littleton_init,
|
|
MACHINE_END
|