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android_kernel_motorola_sm6225/arch/arm/mach-omap1/board-h3.c
Linus Torvalds 65a6ec0d72 Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm 
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (95 commits)
  [ARM] 4578/1: CM-x270: PCMCIA support
  [ARM] 4577/1: ITE 8152 PCI bridge support
  [ARM] 4576/1: CM-X270 machine support
  [ARM] pxa: Avoid pxa_gpio_mode() in gpio_direction_{in,out}put()
  [ARM] pxa: move pxa_set_mode() from pxa2xx_mainstone.c to mainstone.c
  [ARM] pxa: move pxa_set_mode() from pxa2xx_lubbock.c to lubbock.c
  [ARM] pxa: Make cpu_is_pxaXXX dependent on configuration symbols
  [ARM] pxa: PXA3xx base support
  [NET] smc91x: fix PXA DMA support code
  [SERIAL] Fix console initialisation ordering
  [ARM] pxa: tidy up arch/arm/mach-pxa/Makefile
  [ARM] Update arch/arm/Kconfig for drivers/Kconfig changes
  [ARM] 4600/1: fix kernel build failure with build-id-supporting binutils
  [ARM] 4599/1: Preserve ATAG list for use with kexec (2.6.23)
  [ARM] Rename consistent_sync() as dma_cache_maint()
  [ARM] 4572/1: ep93xx: add cirrus logic edb9307 support
  [ARM] 4596/1: S3C2412: Correct IRQs for SDI+CF and add decoding support
  [ARM] 4595/1: ns9xxx: define registers as void __iomem * instead of volatile u32
  [ARM] 4594/1: ns9xxx: use the new gpio functions
  [ARM] 4593/1: ns9xxx: implement generic clockevents
  ...
2007-10-15 16:08:50 -07:00

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/*
* linux/arch/arm/mach-omap1/board-h3.c
*
* This file contains OMAP1710 H3 specific code.
*
* Copyright (C) 2004 Texas Instruments, Inc.
* Copyright (C) 2002 MontaVista Software, Inc.
* Copyright (C) 2001 RidgeRun, Inc.
* Author: RidgeRun, Inc.
* Greg Lonnon (glonnon@ridgerun.com) or info@ridgerun.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
* published by the Free Software Foundation.
*/
#include <linux/types.h>
#include <linux/init.h>
#include <linux/major.h>
#include <linux/kernel.h>
#include <linux/platform_device.h>
#include <linux/errno.h>
#include <linux/workqueue.h>
#include <linux/i2c.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/input.h>
#include <asm/setup.h>
#include <asm/page.h>
#include <asm/hardware.h>
#include <asm/gpio.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <asm/mach/map.h>
#include <asm/arch/tps65010.h>
#include <asm/arch/gpioexpander.h>
#include <asm/arch/irqs.h>
#include <asm/arch/mux.h>
#include <asm/arch/tc.h>
#include <asm/arch/irda.h>
#include <asm/arch/usb.h>
#include <asm/arch/keypad.h>
#include <asm/arch/dma.h>
#include <asm/arch/common.h>
#include <asm/arch/mcbsp.h>
#include <asm/arch/omap-alsa.h>
extern int omap_gpio_init(void);
static int h3_keymap[] = {
KEY(0, 0, KEY_LEFT),
KEY(0, 1, KEY_RIGHT),
KEY(0, 2, KEY_3),
KEY(0, 3, KEY_F10),
KEY(0, 4, KEY_F5),
KEY(0, 5, KEY_9),
KEY(1, 0, KEY_DOWN),
KEY(1, 1, KEY_UP),
KEY(1, 2, KEY_2),
KEY(1, 3, KEY_F9),
KEY(1, 4, KEY_F7),
KEY(1, 5, KEY_0),
KEY(2, 0, KEY_ENTER),
KEY(2, 1, KEY_6),
KEY(2, 2, KEY_1),
KEY(2, 3, KEY_F2),
KEY(2, 4, KEY_F6),
KEY(2, 5, KEY_HOME),
KEY(3, 0, KEY_8),
KEY(3, 1, KEY_5),
KEY(3, 2, KEY_F12),
KEY(3, 3, KEY_F3),
KEY(3, 4, KEY_F8),
KEY(3, 5, KEY_END),
KEY(4, 0, KEY_7),
KEY(4, 1, KEY_4),
KEY(4, 2, KEY_F11),
KEY(4, 3, KEY_F1),
KEY(4, 4, KEY_F4),
KEY(4, 5, KEY_ESC),
KEY(5, 0, KEY_F13),
KEY(5, 1, KEY_F14),
KEY(5, 2, KEY_F15),
KEY(5, 3, KEY_F16),
KEY(5, 4, KEY_SLEEP),
0
};
static struct mtd_partition nor_partitions[] = {
/* bootloader (U-Boot, etc) in first sector */
{
.name = "bootloader",
.offset = 0,
.size = SZ_128K,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
/* bootloader params in the next sector */
{
.name = "params",
.offset = MTDPART_OFS_APPEND,
.size = SZ_128K,
.mask_flags = 0,
},
/* kernel */
{
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = SZ_2M,
.mask_flags = 0
},
/* file system */
{
.name = "filesystem",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
.mask_flags = 0
}
};
static struct flash_platform_data nor_data = {
.map_name = "cfi_probe",
.width = 2,
.parts = nor_partitions,
.nr_parts = ARRAY_SIZE(nor_partitions),
};
static struct resource nor_resource = {
/* This is on CS3, wherever it's mapped */
.flags = IORESOURCE_MEM,
};
static struct platform_device nor_device = {
.name = "omapflash",
.id = 0,
.dev = {
.platform_data = &nor_data,
},
.num_resources = 1,
.resource = &nor_resource,
};
static struct mtd_partition nand_partitions[] = {
#if 0
/* REVISIT: enable these partitions if you make NAND BOOT work */
{
.name = "xloader",
.offset = 0,
.size = 64 * 1024,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
{
.name = "bootloader",
.offset = MTDPART_OFS_APPEND,
.size = 256 * 1024,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
{
.name = "params",
.offset = MTDPART_OFS_APPEND,
.size = 192 * 1024,
},
{
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = 2 * SZ_1M,
},
#endif
{
.name = "filesystem",
.size = MTDPART_SIZ_FULL,
.offset = MTDPART_OFS_APPEND,
},
};
/* dip switches control NAND chip access: 8 bit, 16 bit, or neither */
static struct nand_platform_data nand_data = {
.options = NAND_SAMSUNG_LP_OPTIONS,
.parts = nand_partitions,
.nr_parts = ARRAY_SIZE(nand_partitions),
};
static struct resource nand_resource = {
.flags = IORESOURCE_MEM,
};
static struct platform_device nand_device = {
.name = "omapnand",
.id = 0,
.dev = {
.platform_data = &nand_data,
},
.num_resources = 1,
.resource = &nand_resource,
};
static struct resource smc91x_resources[] = {
[0] = {
.start = OMAP1710_ETHR_START, /* Physical */
.end = OMAP1710_ETHR_START + 0xf,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = OMAP_GPIO_IRQ(40),
.end = OMAP_GPIO_IRQ(40),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device smc91x_device = {
.name = "smc91x",
.id = 0,
.num_resources = ARRAY_SIZE(smc91x_resources),
.resource = smc91x_resources,
};
#define GPTIMER_BASE 0xFFFB1400
#define GPTIMER_REGS(x) (0xFFFB1400 + (x * 0x800))
#define GPTIMER_REGS_SIZE 0x46
static struct resource intlat_resources[] = {
[0] = {
.start = GPTIMER_REGS(0), /* Physical */
.end = GPTIMER_REGS(0) + GPTIMER_REGS_SIZE,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = INT_1610_GPTIMER1,
.end = INT_1610_GPTIMER1,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device intlat_device = {
.name = "omap_intlat",
.id = 0,
.num_resources = ARRAY_SIZE(intlat_resources),
.resource = intlat_resources,
};
static struct resource h3_kp_resources[] = {
[0] = {
.start = INT_KEYBOARD,
.end = INT_KEYBOARD,
.flags = IORESOURCE_IRQ,
},
};
static struct omap_kp_platform_data h3_kp_data = {
.rows = 8,
.cols = 8,
.keymap = h3_keymap,
.keymapsize = ARRAY_SIZE(h3_keymap),
.rep = 1,
.delay = 9,
.dbounce = 1,
};
static struct platform_device h3_kp_device = {
.name = "omap-keypad",
.id = -1,
.dev = {
.platform_data = &h3_kp_data,
},
.num_resources = ARRAY_SIZE(h3_kp_resources),
.resource = h3_kp_resources,
};
/* Select between the IrDA and aGPS module
*/
static int h3_select_irda(struct device *dev, int state)
{
unsigned char expa;
int err = 0;
if ((err = read_gpio_expa(&expa, 0x26))) {
printk(KERN_ERR "Error reading from I/O EXPANDER \n");
return err;
}
/* 'P6' enable/disable IRDA_TX and IRDA_RX */
if (state & IR_SEL) { /* IrDA */
if ((err = write_gpio_expa(expa | 0x40, 0x26))) {
printk(KERN_ERR "Error writing to I/O EXPANDER \n");
return err;
}
} else {
if ((err = write_gpio_expa(expa & ~0x40, 0x26))) {
printk(KERN_ERR "Error writing to I/O EXPANDER \n");
return err;
}
}
return err;
}
static void set_trans_mode(struct work_struct *work)
{
struct omap_irda_config *irda_config =
container_of(work, struct omap_irda_config, gpio_expa.work);
int mode = irda_config->mode;
unsigned char expa;
int err = 0;
if ((err = read_gpio_expa(&expa, 0x27)) != 0) {
printk(KERN_ERR "Error reading from I/O expander\n");
}
expa &= ~0x03;
if (mode & IR_SIRMODE) {
expa |= 0x01;
} else { /* MIR/FIR */
expa |= 0x03;
}
if ((err = write_gpio_expa(expa, 0x27)) != 0) {
printk(KERN_ERR "Error writing to I/O expander\n");
}
}
static int h3_transceiver_mode(struct device *dev, int mode)
{
struct omap_irda_config *irda_config = dev->platform_data;
irda_config->mode = mode;
cancel_delayed_work(&irda_config->gpio_expa);
PREPARE_DELAYED_WORK(&irda_config->gpio_expa, set_trans_mode);
schedule_delayed_work(&irda_config->gpio_expa, 0);
return 0;
}
static struct omap_irda_config h3_irda_data = {
.transceiver_cap = IR_SIRMODE | IR_MIRMODE | IR_FIRMODE,
.transceiver_mode = h3_transceiver_mode,
.select_irda = h3_select_irda,
.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 h3_irda_resources[] = {
[0] = {
.start = INT_UART3,
.end = INT_UART3,
.flags = IORESOURCE_IRQ,
},
};
static u64 irda_dmamask = 0xffffffff;
static struct platform_device h3_irda_device = {
.name = "omapirda",
.id = 0,
.dev = {
.platform_data = &h3_irda_data,
.dma_mask = &irda_dmamask,
},
.num_resources = ARRAY_SIZE(h3_irda_resources),
.resource = h3_irda_resources,
};
static struct platform_device h3_lcd_device = {
.name = "lcd_h3",
.id = -1,
};
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(1),
.rcr1 = RFRLEN1(OMAP_MCBSP_WORD_8) | RWDLEN1(OMAP_MCBSP_WORD_16),
.xcr2 = XPHASE | XFRLEN2(OMAP_MCBSP_WORD_8) |
XWDLEN2(OMAP_MCBSP_WORD_16) | XDATDLY(1) | XFIG,
.xcr1 = XFRLEN1(OMAP_MCBSP_WORD_8) | XWDLEN1(OMAP_MCBSP_WORD_16),
.srgr1 = FWID(15),
.srgr2 = GSYNC | CLKSP | FSGM | FPER(31),
.pcr0 = CLKRM | SCLKME | FSXP | FSRP | CLKXP | CLKRP,
//.pcr0 = CLKXP | CLKRP, /* mcbsp: slave */
};
static struct omap_alsa_codec_config alsa_config = {
.name = "H3 TSC2101",
.mcbsp_regs_alsa = &mcbsp_regs,
.codec_configure_dev = NULL, // tsc2101_configure,
.codec_set_samplerate = NULL, // tsc2101_set_samplerate,
.codec_clock_setup = NULL, // tsc2101_clock_setup,
.codec_clock_on = NULL, // tsc2101_clock_on,
.codec_clock_off = NULL, // tsc2101_clock_off,
.get_default_samplerate = NULL, // tsc2101_get_default_samplerate,
};
static struct platform_device h3_mcbsp1_device = {
.name = "omap_alsa_mcbsp",
.id = 1,
.dev = {
.platform_data = &alsa_config,
},
};
static struct platform_device *devices[] __initdata = {
&nor_device,
&nand_device,
&smc91x_device,
&intlat_device,
&h3_irda_device,
&h3_kp_device,
&h3_lcd_device,
&h3_mcbsp1_device,
};
static struct omap_usb_config h3_usb_config __initdata = {
/* usb1 has a Mini-AB port and external isp1301 transceiver */
.otg = 2,
#ifdef CONFIG_USB_GADGET_OMAP
.hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
#elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
/* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
.hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
#endif
.pins[1] = 3,
};
static struct omap_mmc_config h3_mmc_config __initdata = {
.mmc[0] = {
.enabled = 1,
.power_pin = -1, /* tps65010 GPIO4 */
.switch_pin = OMAP_MPUIO(1),
},
};
static struct omap_uart_config h3_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};
static struct omap_lcd_config h3_lcd_config __initdata = {
.ctrl_name = "internal",
};
static struct omap_board_config_kernel h3_config[] = {
{ OMAP_TAG_USB, &h3_usb_config },
{ OMAP_TAG_MMC, &h3_mmc_config },
{ OMAP_TAG_UART, &h3_uart_config },
{ OMAP_TAG_LCD, &h3_lcd_config },
};
static struct i2c_board_info __initdata h3_i2c_board_info[] = {
{
I2C_BOARD_INFO("tps65010", 0x48),
.type = "tps65013",
/* .irq = OMAP_GPIO_IRQ(??), */
},
/* TODO when driver support is ready:
* - isp1301 OTG transceiver
* - optional ov9640 camera sensor at 0x30
* - ...
*/
};
#define H3_NAND_RB_GPIO_PIN 10
static int nand_dev_ready(struct nand_platform_data *data)
{
return omap_get_gpio_datain(H3_NAND_RB_GPIO_PIN);
}
static void __init h3_init(void)
{
/* Here we assume the NOR boot config: NOR on CS3 (possibly swapped
* to address 0 by a dip switch), NAND on CS2B. The NAND driver will
* notice whether a NAND chip is enabled at probe time.
*
* H3 support NAND-boot, with a dip switch to put NOR on CS2B and NAND
* (which on H2 may be 16bit) on CS3. Try detecting that in code here,
* to avoid probing every possible flash configuration...
*/
nor_resource.end = nor_resource.start = omap_cs3_phys();
nor_resource.end += SZ_32M - 1;
nand_resource.end = nand_resource.start = OMAP_CS2B_PHYS;
nand_resource.end += SZ_4K - 1;
if (!(omap_request_gpio(H3_NAND_RB_GPIO_PIN)))
nand_data.dev_ready = nand_dev_ready;
/* GPIO10 Func_MUX_CTRL reg bit 29:27, Configure V2 to mode1 as GPIO */
/* GPIO10 pullup/down register, Enable pullup on GPIO10 */
omap_cfg_reg(V2_1710_GPIO10);
platform_add_devices(devices, ARRAY_SIZE(devices));
omap_board_config = h3_config;
omap_board_config_size = ARRAY_SIZE(h3_config);
omap_serial_init();
/* FIXME setup irq for tps65013 chip */
i2c_register_board_info(1, h3_i2c_board_info,
ARRAY_SIZE(h3_i2c_board_info));
}
static void __init h3_init_smc91x(void)
{
omap_cfg_reg(W15_1710_GPIO40);
if (omap_request_gpio(40) < 0) {
printk("Error requesting gpio 40 for smc91x irq\n");
return;
}
}
static void __init h3_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
omap_gpio_init();
h3_init_smc91x();
}
static void __init h3_map_io(void)
{
omap1_map_common_io();
}
#ifdef CONFIG_TPS65010
static int __init h3_tps_init(void)
{
if (!machine_is_omap_h3())
return 0;
/* gpio4 for SD, gpio3 for VDD_DSP */
/* FIXME send power to DSP iff it's configured */
/* Enable LOW_PWR */
tps65013_set_low_pwr(ON);
return 0;
}
fs_initcall(h3_tps_init);
#endif
MACHINE_START(OMAP_H3, "TI OMAP1710 H3 board")
/* Maintainer: Texas Instruments, Inc. */
.phys_io = 0xfff00000,
.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
.boot_params = 0x10000100,
.map_io = h3_map_io,
.init_irq = h3_init_irq,
.init_machine = h3_init,
.timer = &omap_timer,
MACHINE_END
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