[PATCH] ARM: at91: add support for Telit GE863-PRO3 Evaluation Kit

Fabio Porcedda fabio.porcedda at gmail.com
Fri Mar 30 04:56:56 EDT 2012


Based on board-sam9260ek.c.

Signed-off-by: Fabio Porcedda <fabio.porcedda at gmail.com>
---
 arch/arm/mach-at91/Kconfig            |    6 +
 arch/arm/mach-at91/Makefile           |    1 +
 arch/arm/mach-at91/board-ge863-pro3.c |  338 +++++++++++++++++++++++++++++++++
 3 files changed, 345 insertions(+)
 create mode 100644 arch/arm/mach-at91/board-ge863-pro3.c

diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
index 45db05d..4197a2a 100644
--- a/arch/arm/mach-at91/Kconfig
+++ b/arch/arm/mach-at91/Kconfig
@@ -272,6 +272,12 @@ config MACH_FLEXIBITY
 	  Select this if you are using Flexibity Connect board
 	  <http://www.flexibity.com>
 
+config MACH_GE863_PRO3_EVK
+       bool "Telit GE863-PRO3 Evaluation Kit"
+       help
+         Select this if you are using Telit GE863-PRO3 Evaluation Kit
+	 <http://www.telit.com>
+
 endif
 
 # ----------------------------------------------------------
diff --git a/arch/arm/mach-at91/Makefile b/arch/arm/mach-at91/Makefile
index 8512e53..5ca096d 100644
--- a/arch/arm/mach-at91/Makefile
+++ b/arch/arm/mach-at91/Makefile
@@ -49,6 +49,7 @@ obj-$(CONFIG_MACH_QIL_A9260)	+= board-qil-a9260.o
 obj-$(CONFIG_MACH_AFEB9260)	+= board-afeb-9260v1.o
 obj-$(CONFIG_MACH_CPU9260)	+= board-cpu9krea.o
 obj-$(CONFIG_MACH_FLEXIBITY)	+= board-flexibity.o
+obj-$(CONFIG_MACH_GE863_PRO3_EVK) += board-ge863-pro3.o
 
 # AT91SAM9261 board-specific support
 obj-$(CONFIG_MACH_AT91SAM9261EK) += board-sam9261ek.o
diff --git a/arch/arm/mach-at91/board-ge863-pro3.c b/arch/arm/mach-at91/board-ge863-pro3.c
new file mode 100644
index 0000000..2855cc0
--- /dev/null
+++ b/arch/arm/mach-at91/board-ge863-pro3.c
@@ -0,0 +1,338 @@
+/*
+ * linux/arch/arm/mach-at91/board-ge863-pro3-evk.c
+ *
+ *  Copyright (C) 2012 Telit
+ *
+ * linux/arch/arm/mach-at91/board-sam9260ek.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/at73c213.h>
+#include <linux/clk.h>
+#include <linux/i2c/at24.h>
+#include <linux/gpio_keys.h>
+#include <linux/input.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/board.h>
+#include <mach/at91sam9_smc.h>
+#include <mach/at91_shdwc.h>
+#include <mach/system_rev.h>
+
+#include "sam9_smc.h"
+#include "generic.h"
+
+
+static void __init ek_init_early(void)
+{
+	/* Initialize processor: 6.000 MHz crystal */
+	at91_initialize(6000000);
+
+	/* DBGU on ttyS0. (Rx & Tx only) */
+	at91_register_uart(0, 0, 0);
+
+	/* USART0 on ttyS1. (Rx, Tx, CTS, RTS, DTR, DSR, DCD, RI) */
+	at91_register_uart(AT91SAM9260_ID_US0, 1, ATMEL_UART_CTS
+			   | ATMEL_UART_RTS | ATMEL_UART_DTR | ATMEL_UART_DSR
+			   | ATMEL_UART_DCD | ATMEL_UART_RI);
+
+	/* USART1 on ttyS2. (Rx, Tx, RTS, CTS) */
+	at91_register_uart(AT91SAM9260_ID_US1, 2, ATMEL_UART_CTS
+			   | ATMEL_UART_RTS);
+
+	/* set serial console to ttyS0 (ie, DBGU) */
+	at91_set_serial_console(0);
+}
+
+/* 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_PC5,
+	.pullup_pin	= -EINVAL,		/* pull-up driven by UDC */
+};
+
+
+/* Audio */
+static struct at73c213_board_info at73c213_data = {
+	.ssc_id		= 0,
+	.shortname	= "AT91SAM9260-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 *pck0;
+	struct clk *plla;
+
+	pck0 = clk_get(NULL, "pck0");
+	plla = clk_get(NULL, "plla");
+
+	/* AT73C213 MCK Clock */
+	at91_set_B_periph(AT91_PIN_PC1, 0);	/* PCK0 */
+
+	clk_set_parent(pck0, plla);
+	clk_put(plla);
+
+	info->dac_clk = pck0;
+}
+#else
+static void __init at73c213_set_clk(struct at73c213_board_info *info) {}
+#endif
+
+/* SPI devices. */
+static struct spi_board_info ek_spi_devices[] = {
+#if !defined(CONFIG_MMC_AT91)
+	{	/* DataFlash chip */
+		.modalias	= "mtd_dataflash",
+		.chip_select	= 1,
+		.max_speed_hz	= 15 * 1000 * 1000,
+		.bus_num	= 0,
+	},
+#if defined(CONFIG_MTD_AT91_DATAFLASH_CARD)
+	{	/* DataFlash card */
+		.modalias	= "mtd_dataflash",
+		.chip_select	= 0,
+		.max_speed_hz	= 15 * 1000 * 1000,
+		.bus_num	= 0,
+	},
+#endif
+#endif
+#if defined(CONFIG_SND_AT73C213) || defined(CONFIG_SND_AT73C213_MODULE)
+	{	/* AT73C213 DAC */
+		.modalias	= "at73c213",
+		.chip_select	= 0,
+		.max_speed_hz	= 10 * 1000 * 1000,
+		.bus_num	= 1,
+		.mode		= SPI_MODE_1,
+		.platform_data	= &at73c213_data,
+	},
+#endif
+};
+
+
+/* MACB Ethernet device */
+static struct macb_platform_data __initdata ek_macb_data = {
+	.phy_irq_pin	= AT91_PIN_PA7,
+	.is_rmii	= 1,
+};
+
+
+/* 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		= 21,
+	.cle		= 22,
+	.det_pin	= -EINVAL,
+	.rdy_pin	= AT91_PIN_PC13,
+	.enable_pin	= AT91_PIN_PC14,
+	.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);
+}
+
+
+/* MCI (SD/MMC) */
+static struct at91_mmc_data __initdata ek_mmc_data = {
+	.slot_b		= 1,
+	.wire4		= 1,
+	.det_pin	= -EINVAL,
+	.wp_pin		= -EINVAL,
+	.vcc_pin	= -EINVAL,
+};
+
+
+/* LEDs */
+static struct gpio_led ek_leds[] = {
+	{	/* "bottom" led, green, userled1 to be defined */
+		.name			= "ds5",
+		.gpio			= AT91_PIN_PA6,
+		.active_low		= 1,
+		.default_trigger	= "none",
+	},
+	{	/* "power" led, yellow */
+		.name			= "ds1",
+		.gpio			= AT91_PIN_PA9,
+		.default_trigger	= "heartbeat",
+	}
+};
+
+/* I2C devices */
+static struct at24_platform_data at24c512 = {
+	.byte_len	= SZ_512K / 8,
+	.page_size	= 128,
+	.flags		= AT24_FLAG_ADDR16,
+};
+
+static struct i2c_board_info __initdata ek_i2c_devices[] = {
+	{
+		I2C_BOARD_INFO("24c512", 0x50),
+		.platform_data = &at24c512,
+	},
+	/* more devices can be added using expansion connectors */
+};
+
+
+/* GPIO Buttons */
+#if defined(CONFIG_KEYBOARD_GPIO) || defined(CONFIG_KEYBOARD_GPIO_MODULE)
+static struct gpio_keys_button ek_buttons[] = {
+	{
+		.gpio		= AT91_PIN_PA30,
+		.code		= BTN_3,
+		.desc		= "Button 3",
+		.active_low	= 1,
+		.wakeup		= 1,
+	},
+	{
+		.gpio		= AT91_PIN_PA31,
+		.code		= BTN_4,
+		.desc		= "Button 4",
+		.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_PA30, 1);	/* btn3 */
+	at91_set_deglitch(AT91_PIN_PA30, 1);
+	at91_set_gpio_input(AT91_PIN_PA31, 1);	/* btn4 */
+	at91_set_deglitch(AT91_PIN_PA31, 1);
+
+	platform_device_register(&ek_button_device);
+}
+#else
+static void __init ek_add_device_buttons(void) {}
+#endif
+
+
+static void __init ek_board_init(void)
+{
+	/* Serial */
+	at91_add_device_serial();
+	/* USB Host */
+	at91_add_device_usbh(&ek_usbh_data);
+	/* USB Device */
+	at91_add_device_udc(&ek_udc_data);
+	/* SPI */
+	at91_add_device_spi(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
+	/* NAND */
+	ek_add_device_nand();
+	/* Ethernet */
+	at91_add_device_eth(&ek_macb_data);
+	/* MMC */
+	at91_add_device_mmc(0, &ek_mmc_data);
+	/* I2C */
+	at91_add_device_i2c(ek_i2c_devices, ARRAY_SIZE(ek_i2c_devices));
+	/* SSC (to AT73C213) */
+	at73c213_set_clk(&at73c213_data);
+	at91_add_device_ssc(AT91SAM9260_ID_SSC, ATMEL_SSC_TX);
+	/* LEDs */
+	at91_gpio_leds(ek_leds, ARRAY_SIZE(ek_leds));
+	/* Push Buttons */
+	ek_add_device_buttons();
+}
+
+MACHINE_START(GE863, "Telit GE863-PRO3 Evaluation Kit")
+	/* Maintainer: Telit */
+	.timer		= &at91sam926x_timer,
+	.map_io		= at91_map_io,
+	.init_early	= ek_init_early,
+	.init_irq	= at91_init_irq_default,
+	.init_machine	= ek_board_init,
+MACHINE_END
-- 
1.7.9.4




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