at91: add 3.14 support

Add support for Linux 3.14 for the Atmel's AT91 platform.

Signed-off-by: Florian Fainelli <florian@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@42414 3c298f89-4303-0410-b956-a3cf2f4a3e73

7 files changed, 576 insertions, 0 deletions

diff --git a/target/linux/at91/files-3.14/arch/arm/boot/dts/lmu5000.dts b/target/linux/at91/files-3.14/arch/arm/boot/dts/lmu5000.dts
new file mode 100644
index 0000000000..921d44beec
--- /dev/null
+++ b/target/linux/at91/files-3.14/arch/arm/boot/dts/lmu5000.dts
@@ -0,0 +1,125 @@
+/*
+ * lmu5000.dst - Device Tree file for CalAmp LMU5000 board
+ *
+ * Copyright (C) 2013 Adam Porter <porter.adam@gmail.com>
+ *
+ * Licensed under GPLv2.
+ */
+/dts-v1/;
+#include "at91sam9g20.dtsi"
+
+/ {
+	model = "CalAmp LMU5000";
+	compatible = "calamp,lmu5000", "atmel,at91sam9g20", "atmel,at91sam9";
+
+	chosen {
+		bootargs = "mem=64M console=ttyS0,115200 rootfstype=jffs2";
+	};
+
+	memory {
+		reg = <0x20000000 0x4000000>;
+	};
+
+	clocks {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		main_clock: clock@0 {
+			compatible = "atmel,osc", "fixed-clock";
+			clock-frequency = <18432000>;
+		};
+	};
+
+	ahb {
+		apb {
+			pinctrl@fffff400 {
+				board {
+					pinctrl_pck0_as_mck: pck0_as_mck {
+						atmel,pins =
+							<2 1 0x2 0x0>;	/* PC1 periph B */
+					};
+
+				};
+			};
+
+			dbgu: serial@fffff200 {
+				status = "okay";
+			};
+
+			usart0: serial@fffb0000 {
+				pinctrl-0 =
+					<&pinctrl_usart0
+					 &pinctrl_usart0_rts
+					 &pinctrl_usart0_cts
+					 &pinctrl_usart0_dtr_dsr
+					 &pinctrl_usart0_dcd
+					 &pinctrl_usart0_ri>;
+				status = "okay";
+			};
+
+			usart2: serial@fffb8000 {
+				status = "okay";
+			};
+
+			uart0: serial@fffd4000 {
+				status = "okay";
+			};
+
+			uart1: serial@fffd8000 {
+				status = "okay";
+			};
+
+			macb0: ethernet@fffc4000 {
+				phy-mode = "mii";
+				status = "okay";
+			};
+
+			usb1: gadget@fffa4000 {
+				atmel,vbus-gpio = <&pioC 5 0>;
+				status = "okay";
+			};
+
+			ssc0: ssc@fffbc000 {
+				status = "okay";
+				pinctrl-0 = <&pinctrl_ssc0_tx>;
+			};
+
+			watchdog@fffffd40 {
+				status = "okay";
+			};
+		};
+
+		nand0: nand@40000000 {
+			nand-bus-width = <8>;
+			nand-ecc-mode = "soft";
+			nand-on-flash-bbt;
+			status = "okay";
+
+			kernel@0 {
+				label = "kernel";
+				reg = <0x0 0x400000>;
+			};
+
+			rootfs@400000 {
+				label = "rootfs";
+				reg = <0x400000 0x3C00000>;
+			};
+
+			user1@4000000 {
+				label = "user1";
+				reg = <0x4000000 0x2000000>;
+			};
+
+			user2@6000000 {
+				label = "user2";
+				reg = <0x6000000 0x2000000>;
+			};
+		};
+
+		usb0: ohci@00500000 {
+			num-ports = <2>;
+			status = "okay";
+		};
+	};
+};
diff --git a/target/linux/at91/files-3.14/arch/arm/mach-at91/board-tqma9263.c b/target/linux/at91/files-3.14/arch/arm/mach-at91/board-tqma9263.c
new file mode 100644
index 0000000000..cae1fe9359
--- /dev/null
+++ b/target/linux/at91/files-3.14/arch/arm/mach-at91/board-tqma9263.c
@@ -0,0 +1,219 @@
+/*
+ *  Copyright (C) 2008 I2SE GmbH
+ *  Copyright (C) 2010 IEQualize GmbH
+ *  Copyright (C) 2010-2011 Michael Heimpold
+ *
+ * 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/init.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/fb.h>
+
+#include <mach/hardware.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/board.h>
+#include <mach/gpio.h>
+#include <mach/at91sam9_smc.h>
+
+#include <video/atmel_lcdc.h>
+
+#include "sam9_smc.h"
+#include "generic.h"
+
+#include <linux/atmel_serial.h>
+
+
+static void __init tqma9263_map_io(void)
+{
+	unsigned pins;
+
+	/* Initialize processor: 18.432 MHz crystal */
+	at91_initialize(18432000);
+
+	/* DGBU on ttyS0. (Rx & Tx only) */
+	at91_register_uart(0, 0, 0);
+
+	/* USART0 on ttyS1 */
+	pins = ATMEL_UART_CTS | ATMEL_UART_RTS |
+	       ATMEL_UART_DSR | ATMEL_UART_DTR |
+	       ATMEL_UART_DCD | ATMEL_UART_RI;
+	at91_register_uart(AT91SAM9263_ID_US0, 1, pins);
+
+	/* USART1 on ttyS2 */
+	pins = ATMEL_UART_RTS;
+	at91_register_uart(AT91SAM9263_ID_US1, 2, pins);
+
+	/* USART2 on ttyS3 */
+	pins = ATMEL_UART_RTS;
+	at91_register_uart(AT91SAM9263_ID_US2, 3, pins);
+
+	/* set serial console to ttyS0 (ie, DBGU) */
+	at91_set_serial_console(0);
+}
+
+
+/*
+ * USB Host port
+ */
+static struct at91_usbh_data __initdata tqma9263_usbh_data = {
+	.ports			= 2,
+	.vbus_pin		= { AT91_PIN_PA24, AT91_PIN_PA21 },
+	.vbus_pin_active_low	= 0,
+};
+
+
+/*
+ * USB Device port
+ */
+static struct at91_udc_data __initdata tqma9263_udc_data = {
+	.vbus_pin	= AT91_PIN_PA25,
+	.pullup_pin	= 0,			/* pull-up driven by UDC */
+};
+
+
+/*
+ * MCI (SD/MMC)
+ */
+static struct at91_mmc_data __initdata tqma9263_mmc_data = {
+	.wire4		= 1,
+	.det_pin	= AT91_PIN_PE18,
+	.wp_pin		= AT91_PIN_PB28,
+};
+
+
+/*
+ * MACB Ethernet device
+ */
+static struct macb_platform_data __initdata tqma9263_macb_data = {
+	.phy_irq_pin	= AT91_PIN_PE31,
+	.is_rmii	= 1,
+};
+
+
+/*
+ * I2C devices
+ */
+static struct i2c_board_info __initdata tqma9263_i2c_devices[] = {
+	{
+		I2C_BOARD_INFO("pcf8563", 0x51),
+	},
+	{
+		I2C_BOARD_INFO("24c04", 0x52),
+	},
+};
+
+
+/*
+ * NAND flash
+ */
+static struct mtd_partition __initdata tqma9263_nand_partition[] = {
+	{
+		.name	= "uboot",
+		.offset	= 0,
+		.size	= 3 * SZ_128K,
+	},
+	{
+		.name	= "uboot-env",
+		.offset	= MTDPART_OFS_NXTBLK,
+		.size	= SZ_128K,
+	},
+	{
+		.name	= "linux",
+		.offset	= MTDPART_OFS_NXTBLK,
+		.size	= SZ_2M,
+	},
+	{
+		.name	= "rootfs",
+		.offset	= MTDPART_OFS_NXTBLK,
+		.size	= MTDPART_SIZ_FULL,
+	},
+};
+
+static struct mtd_partition * __init nand_partitions(int size, int *num_partitions)
+{
+	*num_partitions = ARRAY_SIZE(tqma9263_nand_partition);
+	return tqma9263_nand_partition;
+}
+
+static struct atmel_nand_data __initdata tqma9263_nand_data = {
+	.ale			= 21,
+	.cle			= 22,
+	.rdy_pin		= AT91_PIN_PD14,
+	.enable_pin		= AT91_PIN_PD15,
+};
+
+static struct sam9_smc_config __initdata tqma9263_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 | AT91_SMC_DBW_8,
+	.tdf_cycles		= 2,
+};
+
+static void __init tqma9263_add_device_nand(void)
+{
+	/* configure chip-select 3 (NAND) */
+	sam9_smc_configure(0, 3, &tqma9263_nand_smc_config);
+
+	at91_add_device_nand(&tqma9263_nand_data);
+}
+
+
+static void __init tqma9263_board_init(void)
+{
+	/* Serial */
+	at91_add_device_serial();
+	/* USB Host */
+	at91_add_device_usbh(&tqma9263_usbh_data);
+	/* USB Device */
+	at91_add_device_udc(&tqma9263_udc_data);
+	/* MMC */
+	at91_add_device_mmc(1, &tqma9263_mmc_data);
+	/* I2C */
+	at91_add_device_i2c(tqma9263_i2c_devices, ARRAY_SIZE(tqma9263_i2c_devices));
+	/* Ethernet */
+	at91_add_device_eth(&tqma9263_macb_data);
+	/* NAND flash */
+	tqma9263_add_device_nand();
+}
+
+MACHINE_START(TQMA9263, "TQ Components TQMa9263")
+	/* Maintainer: Michael Heimpold */
+	.timer		= &at91sam926x_timer,
+	.map_io		= tqma9263_map_io,
+	.init_irq	= at91_init_irq_default,
+	.init_machine	= tqma9263_board_init,
+MACHINE_END
diff --git a/target/linux/at91/files-3.14/drivers/mtd/at91part.c b/target/linux/at91/files-3.14/drivers/mtd/at91part.c
new file mode 100644
index 0000000000..31f3bbd69d
--- /dev/null
+++ b/target/linux/at91/files-3.14/drivers/mtd/at91part.c
@@ -0,0 +1,122 @@
+/*
+ * 
+ * Copyright (C) 2007 OpenWrt.org
+ * 
+ * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ * Atmel AT91 flash partition table. (Modified by Hamish Guthrie).
+ * Based on ar7 map by Felix Fietkau.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/bootmem.h>
+#include <linux/squashfs_fs.h>
+
+static struct mtd_partition at91_parts[6];
+
+static int create_mtd_partitions(struct mtd_info *master, 
+				 struct mtd_partition **pparts, 
+				 unsigned long origin)
+{
+	unsigned int offset, len;
+	unsigned int pre_size = 0x42000, root_max = 0x362400;
+	unsigned char buf[512];
+	struct squashfs_super_block *sb = (struct squashfs_super_block *) buf;
+
+	printk("Parsing AT91 partition map...\n");
+
+	at91_parts[0].name = "loaders";
+	at91_parts[0].offset = 0;
+	at91_parts[0].size = 0x21000;
+	at91_parts[0].mask_flags = MTD_WRITEABLE;
+
+	at91_parts[1].name = "ubparams";
+	at91_parts[1].offset = 0x21000;
+	at91_parts[1].size = 0x8400;
+	at91_parts[1].mask_flags = 0;
+
+	at91_parts[2].name = "kernel";
+	at91_parts[2].offset = pre_size;
+	at91_parts[2].size = 0;
+	at91_parts[2].mask_flags = 0;
+
+	at91_parts[3].name = "rootfs";
+	at91_parts[3].offset = 0;
+	at91_parts[3].size = 0;
+	at91_parts[3].mask_flags = 0;
+
+	for(offset = pre_size; offset < root_max; offset += master->erasesize) {
+
+		memset(&buf, 0xe5, sizeof(buf));
+
+		if (master->read(master, offset, sizeof(buf), &len, buf) || len != sizeof(buf))
+			break;
+
+		if (*((__u32 *) buf) == SQUASHFS_MAGIC) {
+			printk(KERN_INFO "%s: Filesystem type: squashfs, size=0x%x\n",
+							master->name, (u32) sb->bytes_used);
+
+			at91_parts[3].size = sb->bytes_used;
+			at91_parts[3].offset = offset;
+			len = at91_parts[3].offset + at91_parts[3].size;
+			len = ((len / (master->erasesize * 8)) + 1) * master->erasesize * 8;
+			at91_parts[3].size = len - at91_parts[3].offset;
+			at91_parts[2].size = offset - at91_parts[2].offset;
+			break;
+			}
+		}
+
+	if (at91_parts[3].size == 0) {
+		printk(KERN_NOTICE "%s: Couldn't find root filesystem\n", master->name);
+		return -1;
+		}
+
+	at91_parts[4].name = "rootfs_data";
+	at91_parts[4].offset = root_max;
+	at91_parts[4].size = master->size - root_max;
+	at91_parts[4].mask_flags = 0;
+
+	at91_parts[5].name = "complete";
+	at91_parts[5].offset = 0;
+	at91_parts[5].size = master->size;
+	at91_parts[5].mask_flags = 0;
+
+	*pparts = at91_parts;
+	return 6;
+}
+
+static struct mtd_part_parser at91_parser = {
+	.owner = THIS_MODULE,
+	.parse_fn = create_mtd_partitions,
+	.name = "at91part",
+};
+
+static int __init at91_parser_init(void)
+{
+	register_mtd_parser(&at91_parser);
+
+	return 0;
+}
+
+module_init(at91_parser_init);
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Felix Fietkau, Eugene Konev, Hamish Guthrie");
+MODULE_DESCRIPTION("MTD partitioning for Atmel at91");
diff --git a/target/linux/at91/patches-3.14/100-ARM-at91-build-dtb-for-LMU5000.patch b/target/linux/at91/patches-3.14/100-ARM-at91-build-dtb-for-LMU5000.patch
new file mode 100644
index 0000000000..c631f8d588
--- /dev/null
+++ b/target/linux/at91/patches-3.14/100-ARM-at91-build-dtb-for-LMU5000.patch
@@ -0,0 +1,10 @@
+--- a/arch/arm/boot/dts/Makefile
++++ b/arch/arm/boot/dts/Makefile
+@@ -23,6 +23,7 @@ dtb-$(CONFIG_ARCH_AT91) += tny_a9g20.dtb
+ dtb-$(CONFIG_ARCH_AT91) += usb_a9g20.dtb
+ # sam9g45
+ dtb-$(CONFIG_ARCH_AT91) += at91sam9m10g45ek.dtb
++dtb-$(CONFIG_ARCH_AT91) += lmu5000.dtb
+ dtb-$(CONFIG_ARCH_AT91) += pm9g45.dtb
+ # sam9n12
+ dtb-$(CONFIG_ARCH_AT91) += at91sam9n12ek.dtb
diff --git a/target/linux/at91/patches-3.14/700-tqma9263-support.patch b/target/linux/at91/patches-3.14/700-tqma9263-support.patch
new file mode 100644
index 0000000000..fac71b43d6
--- /dev/null
+++ b/target/linux/at91/patches-3.14/700-tqma9263-support.patch
@@ -0,0 +1,29 @@
+Index: linux-3.14.16/arch/arm/mach-at91/Kconfig.non_dt
+===================================================================
+--- linux-3.14.16.orig/arch/arm/mach-at91/Kconfig.non_dt	2014-08-31 13:36:59.849640477 -0700
++++ linux-3.14.16/arch/arm/mach-at91/Kconfig.non_dt	2014-08-31 13:36:59.845640477 -0700
+@@ -281,6 +281,12 @@
+ 	  Select this if you are using Atmel's AT91SAM9G10-EK Evaluation Kit.
+ 	  <http://www.atmel.com/dyn/products/tools_card.asp?tool_id=4588>
+ 
++config MACH_TQMA9263
++	bool "TQ Components TQMa9263 board"
++	help
++	  Select this if you are using the an TQ Components TQMa9263 board.
++	  <http://www.tq-components.com/>
++
+ endif
+ 
+ # ----------------------------------------------------------
+Index: linux-3.14.16/arch/arm/mach-at91/Makefile
+===================================================================
+--- linux-3.14.16.orig/arch/arm/mach-at91/Makefile	2014-08-31 13:36:59.849640477 -0700
++++ linux-3.14.16/arch/arm/mach-at91/Makefile	2014-08-31 13:37:27.125639720 -0700
+@@ -62,6 +62,7 @@
+ 
+ # AT91SAM9263 board-specific support
+ obj-$(CONFIG_MACH_AT91SAM9263EK) += board-sam9263ek.o
++obj-$(CONFIG_MACH_TQMA9263)	+= board-tqma9263.o
+ 
+ # AT91SAM9RL board-specific support
+ obj-$(CONFIG_MACH_AT91SAM9RLEK)	+= board-sam9rlek.o
diff --git a/target/linux/at91/patches-3.14/805-free_some_portc_pins.patch b/target/linux/at91/patches-3.14/805-free_some_portc_pins.patch
new file mode 100644
index 0000000000..a9694d1f01
--- /dev/null
+++ b/target/linux/at91/patches-3.14/805-free_some_portc_pins.patch
@@ -0,0 +1,11 @@
+--- a/arch/arm/mach-at91/at91sam9260_devices.c
++++ b/arch/arm/mach-at91/at91sam9260_devices.c
+@@ -507,7 +507,7 @@ static struct platform_device at91sam926
+ 	.num_resources	= ARRAY_SIZE(spi1_resources),
+ };
+ 
+-static const unsigned spi1_standard_cs[4] = { AT91_PIN_PB3, AT91_PIN_PC5, AT91_PIN_PC4, AT91_PIN_PC3 };
++static const unsigned spi1_standard_cs[2] = { AT91_PIN_PB3, AT91_PIN_PC5 };
+ 
+ void __init at91_add_device_spi(struct spi_board_info *devices, int nr_devices)
+ {
diff --git a/target/linux/at91/patches-3.14/901-AT91-flexibity-default-leds-to-heartbeat.patch b/target/linux/at91/patches-3.14/901-AT91-flexibity-default-leds-to-heartbeat.patch
new file mode 100644
index 0000000000..a97850ac91
--- /dev/null
+++ b/target/linux/at91/patches-3.14/901-AT91-flexibity-default-leds-to-heartbeat.patch
@@ -0,0 +1,60 @@
+--- a/arch/arm/mach-at91/board-flexibity.c
++++ b/arch/arm/mach-at91/board-flexibity.c
+@@ -89,49 +89,49 @@ static struct gpio_led flexibity_leds[]
+ 		.name			= "usb1:green",
+ 		.gpio			= AT91_PIN_PA12,
+ 		.active_low		= 1,
+-		.default_trigger	= "default-on",
++		.default_trigger	= "heartbeat",
+ 	},
+ 	{
+ 		.name			= "usb1:red",
+ 		.gpio			= AT91_PIN_PA13,
+ 		.active_low		= 1,
+-		.default_trigger	= "default-on",
++		.default_trigger	= "heartbeat",
+ 	},
+ 	{
+ 		.name			= "usb2:green",
+ 		.gpio			= AT91_PIN_PB26,
+ 		.active_low		= 1,
+-		.default_trigger	= "default-on",
++		.default_trigger	= "heartbeat",
+ 	},
+ 	{
+ 		.name			= "usb2:red",
+ 		.gpio			= AT91_PIN_PB27,
+ 		.active_low		= 1,
+-		.default_trigger	= "default-on",
++		.default_trigger	= "heartbeat",
+ 	},
+ 	{
+ 		.name			= "usb3:green",
+ 		.gpio			= AT91_PIN_PC8,
+ 		.active_low		= 1,
+-		.default_trigger	= "default-on",
++		.default_trigger	= "heartbeat",
+ 	},
+ 	{
+ 		.name			= "usb3:red",
+ 		.gpio			= AT91_PIN_PC6,
+ 		.active_low		= 1,
+-		.default_trigger	= "default-on",
++		.default_trigger	= "heartbeat",
+ 	},
+ 	{
+ 		.name			= "usb4:green",
+ 		.gpio			= AT91_PIN_PB4,
+ 		.active_low		= 1,
+-		.default_trigger	= "default-on",
++		.default_trigger	= "heartbeat",
+ 	},
+ 	{
+ 		.name			= "usb4:red",
+ 		.gpio			= AT91_PIN_PB5,
+ 		.active_low		= 1,
+-		.default_trigger	= "default-on",
++		.default_trigger	= "heartbeat",
+ 	}
+ };
+