linux/arch/arm/mach-at91/board-sam9261ek.c
Jean-Christophe PLAGNIOL-VILLARD b3f442b0ee ARM: at91: udpate defconfigs
Merge 9g20 with 9260 and 9g10 with 9261 as those SoCs can run from the same
kernel even in non DT world.

Fix the sam9261ek to allow 9g10 and sam9261 to compile together.

Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
2013-05-17 15:05:08 +02:00

622 lines
15 KiB
C

/*
* linux/arch/arm/mach-at91/board-sam9261ek.c
*
* Copyright (C) 2005 SAN People
* Copyright (C) 2006 Atmel
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <linux/types.h>
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
#include <linux/spi/at73c213.h>
#include <linux/clk.h>
#include <linux/dm9000.h>
#include <linux/fb.h>
#include <linux/gpio_keys.h>
#include <linux/input.h>
#include <video/atmel_lcdc.h>
#include <asm/setup.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <asm/mach/irq.h>
#include <mach/hardware.h>
#include <mach/at91sam9_smc.h>
#include <mach/system_rev.h>
#include "at91_aic.h"
#include "at91_shdwc.h"
#include "board.h"
#include "sam9_smc.h"
#include "generic.h"
static void __init ek_init_early(void)
{
/* Initialize processor: 18.432 MHz crystal */
at91_initialize(18432000);
}
/*
* DM9000 ethernet device
*/
#if defined(CONFIG_DM9000)
static struct resource dm9000_resource[] = {
[0] = {
.start = AT91_CHIPSELECT_2,
.end = AT91_CHIPSELECT_2 + 3,
.flags = IORESOURCE_MEM
},
[1] = {
.start = AT91_CHIPSELECT_2 + 0x44,
.end = AT91_CHIPSELECT_2 + 0xFF,
.flags = IORESOURCE_MEM
},
[2] = {
.flags = IORESOURCE_IRQ
| IORESOURCE_IRQ_LOWEDGE | IORESOURCE_IRQ_HIGHEDGE,
}
};
static struct dm9000_plat_data dm9000_platdata = {
.flags = DM9000_PLATF_16BITONLY | DM9000_PLATF_NO_EEPROM,
};
static struct platform_device dm9000_device = {
.name = "dm9000",
.id = 0,
.num_resources = ARRAY_SIZE(dm9000_resource),
.resource = dm9000_resource,
.dev = {
.platform_data = &dm9000_platdata,
}
};
/*
* SMC timings for the DM9000.
* Note: These timings were calculated for MASTER_CLOCK = 100000000 according to the DM9000 timings.
*/
static struct sam9_smc_config __initdata dm9000_smc_config = {
.ncs_read_setup = 0,
.nrd_setup = 2,
.ncs_write_setup = 0,
.nwe_setup = 2,
.ncs_read_pulse = 8,
.nrd_pulse = 4,
.ncs_write_pulse = 8,
.nwe_pulse = 4,
.read_cycle = 16,
.write_cycle = 16,
.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE | AT91_SMC_BAT_WRITE | AT91_SMC_DBW_16,
.tdf_cycles = 1,
};
static void __init ek_add_device_dm9000(void)
{
struct resource *r = &dm9000_resource[2];
/* Configure chip-select 2 (DM9000) */
sam9_smc_configure(0, 2, &dm9000_smc_config);
/* Configure Reset signal as output */
at91_set_gpio_output(AT91_PIN_PC10, 0);
/* Configure Interrupt pin as input, no pull-up */
at91_set_gpio_input(AT91_PIN_PC11, 0);
r->start = r->end = gpio_to_irq(AT91_PIN_PC11);
platform_device_register(&dm9000_device);
}
#else
static void __init ek_add_device_dm9000(void) {}
#endif /* CONFIG_DM9000 */
/*
* USB Host Port
*/
static struct at91_usbh_data __initdata ek_usbh_data = {
.ports = 2,
.vbus_pin = {-EINVAL, -EINVAL},
.overcurrent_pin= {-EINVAL, -EINVAL},
};
/*
* USB Device Port
*/
static struct at91_udc_data __initdata ek_udc_data = {
.vbus_pin = AT91_PIN_PB29,
.pullup_pin = -EINVAL, /* pull-up driven by UDC */
};
/*
* NAND flash
*/
static struct mtd_partition __initdata ek_nand_partition[] = {
{
.name = "Partition 1",
.offset = 0,
.size = SZ_256K,
},
{
.name = "Partition 2",
.offset = MTDPART_OFS_NXTBLK,
.size = MTDPART_SIZ_FULL,
},
};
static struct atmel_nand_data __initdata ek_nand_data = {
.ale = 22,
.cle = 21,
.det_pin = -EINVAL,
.rdy_pin = AT91_PIN_PC15,
.enable_pin = AT91_PIN_PC14,
.ecc_mode = NAND_ECC_SOFT,
.on_flash_bbt = 1,
.parts = ek_nand_partition,
.num_parts = ARRAY_SIZE(ek_nand_partition),
};
static struct sam9_smc_config __initdata ek_nand_smc_config = {
.ncs_read_setup = 0,
.nrd_setup = 1,
.ncs_write_setup = 0,
.nwe_setup = 1,
.ncs_read_pulse = 3,
.nrd_pulse = 3,
.ncs_write_pulse = 3,
.nwe_pulse = 3,
.read_cycle = 5,
.write_cycle = 5,
.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
.tdf_cycles = 2,
};
static void __init ek_add_device_nand(void)
{
ek_nand_data.bus_width_16 = board_have_nand_16bit();
/* setup bus-width (8 or 16) */
if (ek_nand_data.bus_width_16)
ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
else
ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
/* configure chip-select 3 (NAND) */
sam9_smc_configure(0, 3, &ek_nand_smc_config);
at91_add_device_nand(&ek_nand_data);
}
/*
* SPI related devices
*/
#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
/*
* ADS7846 Touchscreen
*/
#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
static int ads7843_pendown_state(void)
{
return !at91_get_gpio_value(AT91_PIN_PC2); /* Touchscreen PENIRQ */
}
static struct ads7846_platform_data ads_info = {
.model = 7843,
.x_min = 150,
.x_max = 3830,
.y_min = 190,
.y_max = 3830,
.vref_delay_usecs = 100,
.x_plate_ohms = 450,
.y_plate_ohms = 250,
.pressure_max = 15000,
.debounce_max = 1,
.debounce_rep = 0,
.debounce_tol = (~0),
.get_pendown_state = ads7843_pendown_state,
};
static void __init ek_add_device_ts(void)
{
at91_set_B_periph(AT91_PIN_PC2, 1); /* External IRQ0, with pullup */
at91_set_gpio_input(AT91_PIN_PA11, 1); /* Touchscreen BUSY signal */
}
#else
static void __init ek_add_device_ts(void) {}
#endif
/*
* Audio
*/
static struct at73c213_board_info at73c213_data = {
.ssc_id = 1,
.shortname = "AT91SAM9261/9G10-EK external DAC",
};
#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
static void __init at73c213_set_clk(struct at73c213_board_info *info)
{
struct clk *pck2;
struct clk *plla;
pck2 = clk_get(NULL, "pck2");
plla = clk_get(NULL, "plla");
/* AT73C213 MCK Clock */
at91_set_B_periph(AT91_PIN_PB31, 0); /* PCK2 */
clk_set_parent(pck2, plla);
clk_put(plla);
info->dac_clk = pck2;
}
#else
static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
#endif
/*
* SPI devices
*/
static struct spi_board_info ek_spi_devices[] = {
{ /* DataFlash chip */
.modalias = "mtd_dataflash",
.chip_select = 0,
.max_speed_hz = 15 * 1000 * 1000,
.bus_num = 0,
},
#if defined(CONFIG_TOUCHSCREEN_ADS7846) || defined(CONFIG_TOUCHSCREEN_ADS7846_MODULE)
{
.modalias = "ads7846",
.chip_select = 2,
.max_speed_hz = 125000 * 26, /* (max sample rate @ 3V) * (cmd + data + overhead) */
.bus_num = 0,
.platform_data = &ads_info,
.irq = NR_IRQS_LEGACY + AT91SAM9261_ID_IRQ0,
.controller_data = (void *) AT91_PIN_PA28, /* CS pin */
},
#endif
#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
{ /* DataFlash card - jumper (J12) configurable to CS3 or CS0 */
.modalias = "mtd_dataflash",
.chip_select = 3,
.max_speed_hz = 15 * 1000 * 1000,
.bus_num = 0,
},
#elif defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
{ /* AT73C213 DAC */
.modalias = "at73c213",
.chip_select = 3,
.max_speed_hz = 10 * 1000 * 1000,
.bus_num = 0,
.mode = SPI_MODE_1,
.platform_data = &at73c213_data,
.controller_data = (void*) AT91_PIN_PA29, /* default for CS3 is PA6, but it must be PA29 */
},
#endif
};
#else /* CONFIG_SPI_ATMEL_* */
/* spi0 and mmc/sd share the same PIO pins: cannot be used at the same time */
/*
* MCI (SD/MMC)
* det_pin, wp_pin and vcc_pin are not connected
*/
static struct mci_platform_data __initdata mci0_data = {
.slot[0] = {
.bus_width = 4,
.detect_pin = -EINVAL,
.wp_pin = -EINVAL,
},
};
#endif /* CONFIG_SPI_ATMEL_* */
/*
* LCD Controller
*/
#if defined(CONFIG_FB_ATMEL) || defined(CONFIG_FB_ATMEL_MODULE)
#if defined(CONFIG_FB_ATMEL_STN)
/* STN */
static struct fb_videomode at91_stn_modes[] = {
{
.name = "SP06Q002 @ 75",
.refresh = 75,
.xres = 320, .yres = 240,
.pixclock = KHZ2PICOS(1440),
.left_margin = 1, .right_margin = 1,
.upper_margin = 0, .lower_margin = 0,
.hsync_len = 1, .vsync_len = 1,
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
.vmode = FB_VMODE_NONINTERLACED,
},
};
static struct fb_monspecs at91fb_default_stn_monspecs = {
.manufacturer = "HIT",
.monitor = "SP06Q002",
.modedb = at91_stn_modes,
.modedb_len = ARRAY_SIZE(at91_stn_modes),
.hfmin = 15000,
.hfmax = 64000,
.vfmin = 50,
.vfmax = 150,
};
#define AT91SAM9261_DEFAULT_STN_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
| ATMEL_LCDC_DISTYPE_STNMONO \
| ATMEL_LCDC_CLKMOD_ALWAYSACTIVE \
| ATMEL_LCDC_IFWIDTH_4 \
| ATMEL_LCDC_SCANMOD_SINGLE)
static void at91_lcdc_stn_power_control(int on)
{
/* backlight */
if (on) { /* power up */
at91_set_gpio_value(AT91_PIN_PC14, 0);
at91_set_gpio_value(AT91_PIN_PC15, 0);
} else { /* power down */
at91_set_gpio_value(AT91_PIN_PC14, 1);
at91_set_gpio_value(AT91_PIN_PC15, 1);
}
}
static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
.default_bpp = 1,
.default_dmacon = ATMEL_LCDC_DMAEN,
.default_lcdcon2 = AT91SAM9261_DEFAULT_STN_LCDCON2,
.default_monspecs = &at91fb_default_stn_monspecs,
.atmel_lcdfb_power_control = at91_lcdc_stn_power_control,
.guard_time = 1,
};
#else
/* TFT */
static struct fb_videomode at91_tft_vga_modes[] = {
{
.name = "TX09D50VM1CCA @ 60",
.refresh = 60,
.xres = 240, .yres = 320,
.pixclock = KHZ2PICOS(4965),
.left_margin = 1, .right_margin = 33,
.upper_margin = 1, .lower_margin = 0,
.hsync_len = 5, .vsync_len = 1,
.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
.vmode = FB_VMODE_NONINTERLACED,
},
};
static struct fb_monspecs at91fb_default_tft_monspecs = {
.manufacturer = "HIT",
.monitor = "TX09D50VM1CCA",
.modedb = at91_tft_vga_modes,
.modedb_len = ARRAY_SIZE(at91_tft_vga_modes),
.hfmin = 15000,
.hfmax = 64000,
.vfmin = 50,
.vfmax = 150,
};
#define AT91SAM9261_DEFAULT_TFT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
| ATMEL_LCDC_DISTYPE_TFT \
| ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
static void at91_lcdc_tft_power_control(int on)
{
if (on)
at91_set_gpio_value(AT91_PIN_PA12, 0); /* power up */
else
at91_set_gpio_value(AT91_PIN_PA12, 1); /* power down */
}
static struct atmel_lcdfb_info __initdata ek_lcdc_data = {
.lcdcon_is_backlight = true,
.default_bpp = 16,
.default_dmacon = ATMEL_LCDC_DMAEN,
.default_lcdcon2 = AT91SAM9261_DEFAULT_TFT_LCDCON2,
.default_monspecs = &at91fb_default_tft_monspecs,
.atmel_lcdfb_power_control = at91_lcdc_tft_power_control,
.guard_time = 1,
};
#endif
#else
static struct atmel_lcdfb_info __initdata ek_lcdc_data;
#endif
/*
* GPIO Buttons
*/
#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
static struct gpio_keys_button ek_buttons[] = {
{
.gpio = AT91_PIN_PA27,
.code = BTN_0,
.desc = "Button 0",
.active_low = 1,
.wakeup = 1,
},
{
.gpio = AT91_PIN_PA26,
.code = BTN_1,
.desc = "Button 1",
.active_low = 1,
.wakeup = 1,
},
{
.gpio = AT91_PIN_PA25,
.code = BTN_2,
.desc = "Button 2",
.active_low = 1,
.wakeup = 1,
},
{
.gpio = AT91_PIN_PA24,
.code = BTN_3,
.desc = "Button 3",
.active_low = 1,
.wakeup = 1,
}
};
static struct gpio_keys_platform_data ek_button_data = {
.buttons = ek_buttons,
.nbuttons = ARRAY_SIZE(ek_buttons),
};
static struct platform_device ek_button_device = {
.name = "gpio-keys",
.id = -1,
.num_resources = 0,
.dev = {
.platform_data = &ek_button_data,
}
};
static void __init ek_add_device_buttons(void)
{
at91_set_gpio_input(AT91_PIN_PA27, 1); /* btn0 */
at91_set_deglitch(AT91_PIN_PA27, 1);
at91_set_gpio_input(AT91_PIN_PA26, 1); /* btn1 */
at91_set_deglitch(AT91_PIN_PA26, 1);
at91_set_gpio_input(AT91_PIN_PA25, 1); /* btn2 */
at91_set_deglitch(AT91_PIN_PA25, 1);
at91_set_gpio_input(AT91_PIN_PA24, 1); /* btn3 */
at91_set_deglitch(AT91_PIN_PA24, 1);
platform_device_register(&ek_button_device);
}
#else
static void __init ek_add_device_buttons(void) {}
#endif
/*
* LEDs
*/
static struct gpio_led ek_leds[] = {
{ /* "bottom" led, green, userled1 to be defined */
.name = "ds7",
.gpio = AT91_PIN_PA14,
.active_low = 1,
.default_trigger = "none",
},
{ /* "top" led, green, userled2 to be defined */
.name = "ds8",
.gpio = AT91_PIN_PA13,
.active_low = 1,
.default_trigger = "none",
},
{ /* "power" led, yellow */
.name = "ds1",
.gpio = AT91_PIN_PA23,
.default_trigger = "heartbeat",
}
};
static void __init ek_board_init(void)
{
/* Serial */
/* DBGU on ttyS0. (Rx & Tx only) */
at91_register_uart(0, 0, 0);
at91_add_device_serial();
if (cpu_is_at91sam9g10())
ek_lcdc_data.lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB;
/* USB Host */
at91_add_device_usbh(&ek_usbh_data);
/* USB Device */
at91_add_device_udc(&ek_udc_data);
/* I2C */
at91_add_device_i2c(NULL, 0);
/* NAND */
ek_add_device_nand();
/* DM9000 ethernet */
ek_add_device_dm9000();
/* spi0 and mmc/sd share the same PIO pins */
#if defined(CONFIG_SPI_ATMEL) || defined(CONFIG_SPI_ATMEL_MODULE)
/* SPI */
at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
/* Touchscreen */
ek_add_device_ts();
/* SSC (to AT73C213) */
at73c213_set_clk(&at73c213_data);
at91_add_device_ssc(AT91SAM9261_ID_SSC1, ATMEL_SSC_TX);
#else
/* MMC */
at91_add_device_mci(0, &mci0_data);
#endif
/* LCD Controller */
at91_add_device_lcdc(&ek_lcdc_data);
/* Push Buttons */
ek_add_device_buttons();
/* LEDs */
at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
}
MACHINE_START(AT91SAM9261EK, "Atmel AT91SAM9261-EK")
/* Maintainer: Atmel */
.init_time = at91sam926x_pit_init,
.map_io = at91_map_io,
.handle_irq = at91_aic_handle_irq,
.init_early = ek_init_early,
.init_irq = at91_init_irq_default,
.init_machine = ek_board_init,
MACHINE_END
MACHINE_START(AT91SAM9G10EK, "Atmel AT91SAM9G10-EK")
/* Maintainer: Atmel */
.init_time = at91sam926x_pit_init,
.map_io = at91_map_io,
.handle_irq = at91_aic_handle_irq,
.init_early = ek_init_early,
.init_irq = at91_init_irq_default,
.init_machine = ek_board_init,
MACHINE_END