Add initial support for Technexion's PICO-IMX6UL-EMMC board

Add support for Technexion's PICO-IMX6UL-EMMC board.

For information about this board, please visit:
http://www.technexion.com/products/pico/pico-som/pico-imx6-emmc

Signed-off-by: Richard Hu <richard.hu@technexion.com>
Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com>

arch/arm/cpu/armv7/mx6/Kconfig

@@ -136,6 +136,10 @@ config TARGET_OT1200
 	bool "Bachmann OT1200"
 	select SUPPORT_SPL
 
+config TARGET_PICO_IMX6UL
+	bool "PICO-IMX6UL-EMMC"
+	select MX6UL
+
 config TARGET_PLATINUM_PICON
 	bool "platinum-picon"
 	select SUPPORT_SPL
@@ -200,6 +204,7 @@ source "board/gateworks/gw_ventana/Kconfig"
 source "board/kosagi/novena/Kconfig"
 source "board/seco/Kconfig"
 source "board/solidrun/mx6cuboxi/Kconfig"
+source "board/technexion/pico-imx6ul/Kconfig"
 source "board/tbs/tbs2910/Kconfig"
 source "board/tqc/tqma6/Kconfig"
 source "board/udoo/Kconfig"

board/technexion/pico-imx6ul/Kconfig

@@ -0,0 +1,15 @@
+if TARGET_PICO_IMX6UL
+
+config SYS_BOARD
+	default "pico-imx6ul"
+
+config SYS_VENDOR
+	default "technexion"
+
+config SYS_SOC
+	default "mx6"
+
+config SYS_CONFIG_NAME
+	default "pico-imx6ul"
+
+endif

board/technexion/pico-imx6ul/MAINTAINERS

@@ -0,0 +1,7 @@
+Technexion PICO-IMX6UL board
+M:	Richard Hu <richard.hu@technexion.com>
+M:	Fabio Estevam <fabio.estevam@nxp.com>
+S:	Maintained
+F:	board/technexion/pico-imx6ul/
+F:	include/configs/pico-imx6ul.h
+F:	configs/pico-imx6ul_defconfig

board/technexion/pico-imx6ul/Makefile

@@ -0,0 +1,7 @@
+# (C) Copyright 2015 Technexion Ltd.
+# (C) Copyright 2015 Freescale Semiconductor, Inc.
+#
+# SPDX-License-Identifier:	GPL-2.0+
+#
+
+obj-y  := pico-imx6ul.o

board/technexion/pico-imx6ul/imximage.cfg

@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2015 Freescale Semiconductor, Inc.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ *
+ * Refer docs/README.imxmage for more details about how-to configure
+ * and create imximage boot image
+ *
+ * The syntax is taken as close as possible with the kwbimage
+ */
+
+#define __ASSEMBLY__
+#include <config.h>
+
+/* image version */
+
+IMAGE_VERSION 2
+
+/*
+ * Boot Device : one of
+ * spi/sd/nand/onenand, qspi/nor
+ */
+BOOT_FROM	sd
+
+/*
+ * Device Configuration Data (DCD)
+ *
+ * Each entry must have the format:
+ * Addr-type           Address        Value
+ *
+ * where:
+ *	Addr-type register length (1,2 or 4 bytes)
+ *	Address	  absolute address of the register
+ *	value	  value to be stored in the register
+ */
+
+/* Enable all clocks */
+DATA 4 0x020c4068 0xffffffff
+DATA 4 0x020c406c 0xffffffff
+DATA 4 0x020c4070 0xffffffff
+DATA 4 0x020c4074 0xffffffff
+DATA 4 0x020c4078 0xffffffff
+DATA 4 0x020c407c 0xffffffff
+DATA 4 0x020c4080 0xffffffff
+
+DATA 4 0x020E04B4 0x000C0000
+DATA 4 0x020E04AC 0x00000000
+DATA 4 0x020E027C 0x00000030
+DATA 4 0x020E0250 0x00000030
+DATA 4 0x020E024C 0x00000030
+DATA 4 0x020E0490 0x00000030
+DATA 4 0x020E0288 0x00000030
+DATA 4 0x020E0270 0x00000000
+DATA 4 0x020E0260 0x00000030
+DATA 4 0x020E0264 0x00000030
+DATA 4 0x020E04A0 0x00000030
+DATA 4 0x020E0494 0x00020000
+DATA 4 0x020E0280 0x00000030
+DATA 4 0x020E0284 0x00000030
+DATA 4 0x020E04B0 0x00020000
+DATA 4 0x020E0498 0x00000030
+DATA 4 0x020E04A4 0x00000030
+DATA 4 0x020E0244 0x00000030
+DATA 4 0x020E0248 0x00000030
+DATA 4 0x021B001C 0x00008000
+DATA 4 0x021B0800 0xA1390003
+DATA 4 0x021B080C 0x00000000
+DATA 4 0x021B083C 0x01380134
+DATA 4 0x021B0848 0x40404244
+DATA 4 0x021B0850 0x40405050
+DATA 4 0x021B081C 0x33333333
+DATA 4 0x021B0820 0x33333333
+DATA 4 0x021B082C 0xf3333333
+DATA 4 0x021B0830 0xf3333333
+DATA 4 0x021B08C0 0x00921012
+DATA 4 0x021B08b8 0x00000800
+DATA 4 0x021B0004 0x0002002D
+DATA 4 0x021B0008 0x00333030
+DATA 4 0x021B000C 0x676B52F3
+DATA 4 0x021B0010 0xB66D8B63
+DATA 4 0x021B0014 0x01FF00DB
+DATA 4 0x021B0018 0x00201740
+DATA 4 0x021B001C 0x00008000
+DATA 4 0x021B002C 0x000026D2
+DATA 4 0x021B0030 0x006B1023
+DATA 4 0x021B0040 0x00000047
+DATA 4 0x021B0000 0x83180000
+DATA 4 0x021B001C 0x02008032
+DATA 4 0x021B001C 0x00008033
+DATA 4 0x021B001C 0x00048031
+DATA 4 0x021B001C 0x15208030
+DATA 4 0x021B001C 0x04008040
+DATA 4 0x021B0020 0x00000800
+DATA 4 0x021B0818 0x00000227
+DATA 4 0x021B0004 0x0002552D
+DATA 4 0x021B0404 0x00011006
+DATA 4 0x021B001C 0x00000000

board/technexion/pico-imx6ul/pico-imx6ul.c

@@ -0,0 +1,119 @@
+/*
+ * Copyright (C) 2015 Technexion Ltd.
+ *
+ * Author: Richard Hu <richard.hu@technexion.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <asm/arch/clock.h>
+#include <asm/arch/iomux.h>
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/crm_regs.h>
+#include <asm/arch/mx6-pins.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/gpio.h>
+#include <asm/imx-common/iomux-v3.h>
+#include <asm/io.h>
+#include <common.h>
+#include <fsl_esdhc.h>
+#include <linux/sizes.h>
+#include <usb.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+#define UART_PAD_CTRL  (PAD_CTL_PKE | PAD_CTL_PUE |		\
+	PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |		\
+	PAD_CTL_DSE_40ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+
+#define USDHC_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |		\
+	PAD_CTL_PUS_22K_UP  | PAD_CTL_SPEED_LOW |		\
+	PAD_CTL_DSE_80ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+
+#define OTG_ID_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE |		\
+	PAD_CTL_PUS_47K_UP  | PAD_CTL_SPEED_LOW |		\
+	PAD_CTL_DSE_80ohm   | PAD_CTL_SRE_FAST  | PAD_CTL_HYS)
+
+int dram_init(void)
+{
+	gd->ram_size = imx_ddr_size();
+
+	return 0;
+}
+
+static iomux_v3_cfg_t const uart6_pads[] = {
+	MX6_PAD_CSI_MCLK__UART6_DCE_TX | MUX_PAD_CTRL(UART_PAD_CTRL),
+	MX6_PAD_CSI_PIXCLK__UART6_DCE_RX | MUX_PAD_CTRL(UART_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const usdhc1_pads[] = {
+	MX6_PAD_SD1_CLK__USDHC1_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD1_CMD__USDHC1_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD1_DATA0__USDHC1_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD1_DATA1__USDHC1_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD1_DATA2__USDHC1_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_SD1_DATA3__USDHC1_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_NAND_READY_B__USDHC1_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_NAND_CE0_B__USDHC1_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_NAND_CE1_B__USDHC1_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+	MX6_PAD_NAND_CLE__USDHC1_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL),
+};
+
+static iomux_v3_cfg_t const usb_otg_pad[] = {
+	MX6_PAD_GPIO1_IO00__ANATOP_OTG1_ID | MUX_PAD_CTRL(OTG_ID_PAD_CTRL),
+};
+
+static void setup_iomux_uart(void)
+{
+	imx_iomux_v3_setup_multiple_pads(uart6_pads, ARRAY_SIZE(uart6_pads));
+}
+
+static void setup_usb(void)
+{
+	imx_iomux_v3_setup_multiple_pads(usb_otg_pad, ARRAY_SIZE(usb_otg_pad));
+}
+
+static struct fsl_esdhc_cfg usdhc_cfg[1] = {
+	{USDHC1_BASE_ADDR},
+};
+
+int board_mmc_getcd(struct mmc *mmc)
+{
+	return 1;
+}
+
+int board_mmc_init(bd_t *bis)
+{
+	imx_iomux_v3_setup_multiple_pads(usdhc1_pads, ARRAY_SIZE(usdhc1_pads));
+	usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK);
+	return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
+}
+
+int board_early_init_f(void)
+{
+	setup_iomux_uart();
+
+	return 0;
+}
+
+int board_usb_phy_mode(int port)
+{
+	return USB_INIT_DEVICE;
+}
+
+int board_init(void)
+{
+	/* Address of boot parameters */
+	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
+
+	setup_usb();
+
+	return 0;
+}
+
+int checkboard(void)
+{
+	puts("Board: PICO-IMX6UL-EMMC\n");
+
+	return 0;
+}

configs/pico-imx6ul_defconfig

@@ -0,0 +1,5 @@
+CONFIG_ARM=y
+CONFIG_ARCH_MX6=y
+CONFIG_SYS_EXTRA_OPTIONS="IMX_CONFIG=board/technexion/pico-imx6ul/imximage.cfg"
+CONFIG_TARGET_PICO_IMX6UL=y
+CONFIG_OF_LIBFDT=y

include/configs/pico-imx6ul.h

@@ -0,0 +1,140 @@
+/*
+ * Copyright (C) 2015 Technexion Ltd.
+ *
+ * Configuration settings for the Technexion PICO-IMX6UL-EMMC board.
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef __PICO_IMX6UL_CONFIG_H
+#define __PICO_IMX6UL_CONFIG_H
+
+
+#include <asm/arch/imx-regs.h>
+#include <linux/sizes.h>
+#include "mx6_common.h"
+#include <asm/imx-common/gpio.h>
+
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DISPLAY_BOARDINFO
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN		(16 * SZ_1M)
+
+#define CONFIG_BOARD_EARLY_INIT_F
+
+#define CONFIG_MXC_UART
+#define CONFIG_MXC_UART_BASE		UART6_BASE_ADDR
+
+/* MMC Configs */
+#define CONFIG_FSL_USDHC
+#define CONFIG_FSL_ESDHC
+#define CONFIG_SYS_FSL_ESDHC_ADDR	USDHC1_BASE_ADDR
+
+#define CONFIG_MMC
+#define CONFIG_CMD_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_CMD_FAT
+#define CONFIG_DOS_PARTITION
+#define CONFIG_SUPPORT_EMMC_BOOT
+
+/* USB Configs */
+#define CONFIG_CMD_USB
+#define CONFIG_USB_EHCI
+#define CONFIG_USB_EHCI_MX6
+#define CONFIG_USB_STORAGE
+#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
+#define CONFIG_MXC_USB_PORTSC		(PORT_PTS_UTMI | PORT_PTS_PTW)
+#define CONFIG_MXC_USB_FLAGS		0
+#define CONFIG_USB_MAX_CONTROLLER_COUNT	1 /* Only OTG1 port enabled */
+
+#define CONFIG_CI_UDC
+#define CONFIG_USBD_HS
+#define CONFIG_USB_GADGET_DUALSPEED
+#define CONFIG_USB_GADGET
+
+#define CONFIG_CMD_USB_MASS_STORAGE
+#define CONFIG_USB_FUNCTION_MASS_STORAGE
+#define CONFIG_USB_GADGET_DOWNLOAD
+#define CONFIG_USB_GADGET_VBUS_DRAW	2
+
+#define CONFIG_G_DNL_VENDOR_NUM		0x0525
+#define CONFIG_G_DNL_PRODUCT_NUM	0xa4a5
+#define CONFIG_G_DNL_MANUFACTURER	"FSL"
+
+#define CONFIG_G_DNL_VENDOR_NUM		0x0525
+#define CONFIG_G_DNL_PRODUCT_NUM	0xa4a5
+#define CONFIG_G_DNL_MANUFACTURER	"FSL"
+
+#define CONFIG_DEFAULT_FDT_FILE		"imx6ul-pico-hobbit.dtb"
+
+#define CONFIG_SYS_MMC_IMG_LOAD_PART	1
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"image=zImage\0" \
+	"console=ttymxc5\0" \
+	"fdt_high=0xffffffff\0" \
+	"initrd_high=0xffffffff\0" \
+	"fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
+	"fdt_addr=0x83000000\0" \
+	"mmcdev="__stringify(CONFIG_SYS_MMC_ENV_DEV)"\0" \
+	"mmcpart=" __stringify(CONFIG_SYS_MMC_IMG_LOAD_PART) "\0" \
+	"mmcroot=" CONFIG_MMCROOT " rootwait rw\0" \
+	"mmcautodetect=yes\0" \
+	"mmcargs=setenv bootargs console=${console},${baudrate} " \
+		"root=${mmcroot}\0" \
+	"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
+	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
+	"mmcboot=echo Booting from mmc ...; " \
+		"run mmcargs; " \
+		"if run loadfdt; then " \
+			"bootz ${loadaddr} - ${fdt_addr}; " \
+		"else " \
+			"echo WARN: Cannot load the DT; " \
+		"fi;\0"
+
+#define CONFIG_BOOTCOMMAND \
+	   "if mmc rescan; then " \
+		   "if run loadimage; then " \
+			   "run mmcboot; " \
+		   "else run netboot; " \
+		   "fi; " \
+	   "else run netboot; fi"
+
+#define CONFIG_CMD_MEMTEST
+#define CONFIG_SYS_MEMTEST_START	0x80000000
+#define CONFIG_SYS_MEMTEST_END		CONFIG_SYS_MEMTEST_START + SZ_128M
+
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR
+#define CONFIG_SYS_HZ			1000
+
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_STACKSIZE		SZ_128K
+
+/* Physical Memory Map */
+#define CONFIG_NR_DRAM_BANKS		1
+#define PHYS_SDRAM			MMDC0_ARB_BASE_ADDR
+
+#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM
+#define CONFIG_SYS_INIT_RAM_ADDR	IRAM_BASE_ADDR
+#define CONFIG_SYS_INIT_RAM_SIZE	IRAM_SIZE
+
+#define CONFIG_SYS_INIT_SP_OFFSET \
+	(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
+#define CONFIG_SYS_INIT_SP_ADDR \
+	(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET)
+
+/* FLASH and environment organization */
+#define CONFIG_SYS_NO_FLASH
+
+#define CONFIG_ENV_SIZE			SZ_8K
+#define CONFIG_ENV_IS_IN_MMC
+#define CONFIG_ENV_OFFSET		(8 * SZ_64K)
+
+#define CONFIG_SYS_MMC_ENV_DEV		0
+#define CONFIG_SYS_MMC_ENV_PART		0
+#define CONFIG_MMCROOT			"/dev/mmcblk0p2"
+
+#define CONFIG_CMD_BOOTZ
+#define CONFIG_CMD_CACHE
+
+#endif /* __PICO_IMX6UL_CONFIG_H */