linux/arch/arm/mach-omap1/board-osk.c
Linus Torvalds 0cd61b68c3 Initial blind fixup for arm for irq changes
Untested, but this should fix up the bulk of the totally mechanical
issues, and should make the actual detail fixing easier.

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-10-06 10:59:54 -07:00

418 lines
11 KiB
C

/*
* linux/arch/arm/mach-omap1/board-osk.c
*
* Board specific init for OMAP5912 OSK
*
* Written by Dirk Behme <dirk.behme@de.bosch.com>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/irq.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/flash.h>
#include <asm/arch/gpio.h>
#include <asm/arch/usb.h>
#include <asm/arch/mux.h>
#include <asm/arch/tc.h>
#include <asm/arch/common.h>
#include <asm/arch/mcbsp.h>
#include <asm/arch/omap-alsa.h>
static struct mtd_partition osk_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,
}, {
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = SZ_2M,
.mask_flags = 0
}, {
.name = "filesystem",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
.mask_flags = 0
}
};
static struct flash_platform_data osk_flash_data = {
.map_name = "cfi_probe",
.width = 2,
.parts = osk_partitions,
.nr_parts = ARRAY_SIZE(osk_partitions),
};
static struct resource osk_flash_resource = {
/* this is on CS3, wherever it's mapped */
.flags = IORESOURCE_MEM,
};
static struct platform_device osk5912_flash_device = {
.name = "omapflash",
.id = 0,
.dev = {
.platform_data = &osk_flash_data,
},
.num_resources = 1,
.resource = &osk_flash_resource,
};
static struct resource osk5912_smc91x_resources[] = {
[0] = {
.start = OMAP_OSK_ETHR_START, /* Physical */
.end = OMAP_OSK_ETHR_START + 0xf,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = OMAP_GPIO_IRQ(0),
.end = OMAP_GPIO_IRQ(0),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device osk5912_smc91x_device = {
.name = "smc91x",
.id = -1,
.num_resources = ARRAY_SIZE(osk5912_smc91x_resources),
.resource = osk5912_smc91x_resources,
};
static struct resource osk5912_cf_resources[] = {
[0] = {
.start = OMAP_GPIO_IRQ(62),
.end = OMAP_GPIO_IRQ(62),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device osk5912_cf_device = {
.name = "omap_cf",
.id = -1,
.dev = {
.platform_data = (void *) 2 /* CS2 */,
},
.num_resources = ARRAY_SIZE(osk5912_cf_resources),
.resource = osk5912_cf_resources,
};
#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 = FSXM | FSRM | CLKXM | CLKRM | CLKXP | CLKRP,*/ /* mcbsp: master */
.pcr0 = CLKXP | CLKRP, /* mcbsp: slave */
};
static struct omap_alsa_codec_config alsa_config = {
.name = "OSK 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 osk5912_mcbsp1_device = {
.name = "omap_alsa_mcbsp",
.id = 1,
.dev = {
.platform_data = &alsa_config,
},
};
static struct platform_device *osk5912_devices[] __initdata = {
&osk5912_flash_device,
&osk5912_smc91x_device,
&osk5912_cf_device,
&osk5912_mcbsp1_device,
};
static void __init osk_init_smc91x(void)
{
if ((omap_request_gpio(0)) < 0) {
printk("Error requesting gpio 0 for smc91x irq\n");
return;
}
/* Check EMIFS wait states to fix errors with SMC_GET_PKT_HDR */
EMIFS_CCS(1) |= 0x3;
}
static void __init osk_init_cf(void)
{
omap_cfg_reg(M7_1610_GPIO62);
if ((omap_request_gpio(62)) < 0) {
printk("Error requesting gpio 62 for CF irq\n");
return;
}
/* the CF I/O IRQ is really active-low */
set_irq_type(OMAP_GPIO_IRQ(62), IRQT_FALLING);
}
static void __init osk_init_irq(void)
{
omap1_init_common_hw();
omap_init_irq();
omap_gpio_init();
osk_init_smc91x();
osk_init_cf();
}
static struct omap_usb_config osk_usb_config __initdata = {
/* has usb host connector (A) ... for development it can also
* be used, with a NONSTANDARD gender-bending cable/dongle, as
* a peripheral.
*/
#ifdef CONFIG_USB_GADGET_OMAP
.register_dev = 1,
.hmc_mode = 0,
#else
.register_host = 1,
.hmc_mode = 16,
.rwc = 1,
#endif
.pins[0] = 2,
};
static struct omap_uart_config osk_uart_config __initdata = {
.enabled_uarts = (1 << 0),
};
#ifdef CONFIG_OMAP_OSK_MISTRAL
static struct omap_lcd_config osk_lcd_config __initdata = {
.ctrl_name = "internal",
};
#endif
static struct omap_board_config_kernel osk_config[] = {
{ OMAP_TAG_USB, &osk_usb_config },
{ OMAP_TAG_UART, &osk_uart_config },
#ifdef CONFIG_OMAP_OSK_MISTRAL
{ OMAP_TAG_LCD, &osk_lcd_config },
#endif
};
#ifdef CONFIG_OMAP_OSK_MISTRAL
#include <linux/input.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <asm/arch/keypad.h>
static const int osk_keymap[] = {
/* KEY(col, row, code) */
KEY(0, 0, KEY_F1), /* SW4 */
KEY(0, 3, KEY_UP), /* (sw2/up) */
KEY(1, 1, KEY_LEFTCTRL), /* SW5 */
KEY(1, 2, KEY_LEFT), /* (sw2/left) */
KEY(2, 0, KEY_SPACE), /* SW3 */
KEY(2, 1, KEY_ESC), /* SW6 */
KEY(2, 2, KEY_DOWN), /* (sw2/down) */
KEY(3, 2, KEY_ENTER), /* (sw2/select) */
KEY(3, 3, KEY_RIGHT), /* (sw2/right) */
0
};
static struct omap_kp_platform_data osk_kp_data = {
.rows = 8,
.cols = 8,
.keymap = (int *) osk_keymap,
.keymapsize = ARRAY_SIZE(osk_keymap),
.delay = 9,
};
static struct resource osk5912_kp_resources[] = {
[0] = {
.start = INT_KEYBOARD,
.end = INT_KEYBOARD,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device osk5912_kp_device = {
.name = "omap-keypad",
.id = -1,
.dev = {
.platform_data = &osk_kp_data,
},
.num_resources = ARRAY_SIZE(osk5912_kp_resources),
.resource = osk5912_kp_resources,
};
static struct platform_device osk5912_lcd_device = {
.name = "lcd_osk",
.id = -1,
};
static struct platform_device *mistral_devices[] __initdata = {
&osk5912_kp_device,
&osk5912_lcd_device,
};
static int mistral_get_pendown_state(void)
{
return !omap_get_gpio_datain(4);
}
static const struct ads7846_platform_data mistral_ts_info = {
.model = 7846,
.vref_delay_usecs = 100, /* internal, no capacitor */
.x_plate_ohms = 419,
.y_plate_ohms = 486,
.get_pendown_state = mistral_get_pendown_state,
};
static struct spi_board_info __initdata mistral_boardinfo[] = { {
/* MicroWire (bus 2) CS0 has an ads7846e */
.modalias = "ads7846",
.platform_data = &mistral_ts_info,
.irq = OMAP_GPIO_IRQ(4),
.max_speed_hz = 120000 /* max sample rate at 3V */
* 26 /* command + data + overhead */,
.bus_num = 2,
.chip_select = 0,
} };
#ifdef CONFIG_PM
static irqreturn_t
osk_mistral_wake_interrupt(int irq, void *ignored)
{
return IRQ_HANDLED;
}
#endif
static void __init osk_mistral_init(void)
{
/* NOTE: we could actually tell if there's a Mistral board
* attached, e.g. by trying to read something from the ads7846.
* But this arch_init() code is too early for that, since we
* can't talk to the ads or even the i2c eeprom.
*/
// omap_cfg_reg(P19_1610_GPIO6); // BUSY
omap_cfg_reg(P20_1610_GPIO4); // PENIRQ
set_irq_type(OMAP_GPIO_IRQ(4), IRQT_FALLING);
spi_register_board_info(mistral_boardinfo,
ARRAY_SIZE(mistral_boardinfo));
/* the sideways button (SW1) is for use as a "wakeup" button */
omap_cfg_reg(N15_1610_MPUIO2);
if (omap_request_gpio(OMAP_MPUIO(2)) == 0) {
int ret = 0;
omap_set_gpio_direction(OMAP_MPUIO(2), 1);
set_irq_type(OMAP_GPIO_IRQ(OMAP_MPUIO(2)), IRQT_RISING);
#ifdef CONFIG_PM
/* share the IRQ in case someone wants to use the
* button for more than wakeup from system sleep.
*/
ret = request_irq(OMAP_GPIO_IRQ(OMAP_MPUIO(2)),
&osk_mistral_wake_interrupt,
IRQF_SHARED, "mistral_wakeup",
&osk_mistral_wake_interrupt);
if (ret != 0) {
omap_free_gpio(OMAP_MPUIO(2));
printk(KERN_ERR "OSK+Mistral: no wakeup irq, %d?\n",
ret);
} else
enable_irq_wake(OMAP_GPIO_IRQ(OMAP_MPUIO(2)));
#endif
} else
printk(KERN_ERR "OSK+Mistral: wakeup button is awol\n");
platform_add_devices(mistral_devices, ARRAY_SIZE(mistral_devices));
}
#else
static void __init osk_mistral_init(void) { }
#endif
#define EMIFS_CS3_VAL (0x88013141)
static void __init osk_init(void)
{
/* Workaround for wrong CS3 (NOR flash) timing
* There are some U-Boot versions out there which configure
* wrong CS3 memory timings. This mainly leads to CRC
* or similiar errors if you use NOR flash (e.g. with JFFS2)
*/
if (EMIFS_CCS(3) != EMIFS_CS3_VAL)
EMIFS_CCS(3) = EMIFS_CS3_VAL;
osk_flash_resource.end = osk_flash_resource.start = omap_cs3_phys();
osk_flash_resource.end += SZ_32M - 1;
platform_add_devices(osk5912_devices, ARRAY_SIZE(osk5912_devices));
omap_board_config = osk_config;
omap_board_config_size = ARRAY_SIZE(osk_config);
USB_TRANSCEIVER_CTRL_REG |= (3 << 1);
omap_serial_init();
osk_mistral_init();
}
static void __init osk_map_io(void)
{
omap1_map_common_io();
}
MACHINE_START(OMAP_OSK, "TI-OSK")
/* Maintainer: Dirk Behme <dirk.behme@de.bosch.com> */
.phys_io = 0xfff00000,
.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
.boot_params = 0x10000100,
.map_io = osk_map_io,
.init_irq = osk_init_irq,
.init_machine = osk_init,
.timer = &omap_timer,
MACHINE_END