imx:display5: Add support for LWN's DISPLAY5 board

This commit provides support for LWN's IMX6Q based DISPLAY5 board.

Signed-off-by: Lukasz Majewski <lukma@denx.de>
diff --git a/include/configs/display5.h b/include/configs/display5.h
new file mode 100644
index 0000000..c41ab8b
--- /dev/null
+++ b/include/configs/display5.h
@@ -0,0 +1,408 @@
+/*
+ * Copyright (C) 2017
+ * Lukasz Majewski, DENX Software Engineering, lukma@denx.de
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_H
+#define __CONFIG_H
+
+#include "mx6_common.h"
+
+/* Falcon Mode */
+#define CONFIG_CMD_SPL
+#define CONFIG_SYS_SPL_ARGS_ADDR	0x18000000
+#define CONFIG_CMD_SPL_WRITE_SIZE	(44 * SZ_1K)
+
+/* Falcon Mode - MMC support */
+#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR	0x3F00
+#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS	\
+	(CONFIG_CMD_SPL_WRITE_SIZE / 512)
+#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR	0x100	/* 128KiB */
+
+/*
+ * display5 SPI-NOR memory layout
+ *
+ * The definition can be found in Kconfig's
+ * CONFIG_MTDIDS_DEFAULT and CONFIG_MTDPARTS_DEFAULT
+ *
+ * 0x000000 - 0x020000 : SPI.SPL (128KiB)
+ * 0x020000 - 0x120000 : SPI.u-boot (1MiB)
+ * 0x120000 - 0x130000 : SPI.u-boot-env1 (64KiB)
+ * 0x130000 - 0x140000 : SPI.u-boot-env2 (64KiB)
+ * 0x140000 - 0x940000 : SPI.fitImage-recovery (8MiB)
+ * 0x940000 - 0xD40000 : SPI.swupdate-kernel-FIT (4MiB)
+ * 0xD40000 - 0x1540000 : SPI.swupdate-initramfs  (8MiB)
+ */
+
+#ifndef CONFIG_SPL_BUILD
+#define CONFIG_MTD_DEVICE
+#define CONFIG_SPI_FLASH_MTD
+#define CONFIG_MTD_PARTITIONS
+#endif
+
+/* Below values are "dummy" - only to avoid build break */
+#define CONFIG_SYS_SPI_KERNEL_OFFS      0x150000
+#define CONFIG_SYS_SPI_ARGS_OFFS        0x140000
+#define CONFIG_SYS_SPI_ARGS_SIZE        0x10000
+
+#include "imx6_spl.h"
+#define CONFIG_SYS_SPI_U_BOOT_OFFS	0x20000
+#define CONFIG_SPL_SPI_LOAD
+
+#define CONFIG_CMDLINE_TAG
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+#define CONFIG_REVISION_TAG
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN		(16 * 1024 * 1024)
+#define CONFIG_MISC_INIT_R
+
+/*#define CONFIG_MXC_UART*/
+#define CONFIG_MXC_UART_BASE		UART5_BASE
+
+/* SPI NOR Flash */
+#ifdef CONFIG_CMD_SF
+#define CONFIG_MXC_SPI
+#define CONFIG_SF_DEFAULT_BUS		1
+#define CONFIG_SF_DEFAULT_CS		(0 | (IMX_GPIO_NR(5, 29) << 8))
+#define CONFIG_SF_DEFAULT_SPEED		50000000
+#define CONFIG_SF_DEFAULT_MODE		SPI_MODE_0
+#endif
+
+/* I2C Configs */
+#define CONFIG_SYS_I2C
+#define CONFIG_SYS_I2C_MXC
+#define CONFIG_SYS_I2C_MXC_I2C1
+#define CONFIG_SYS_I2C_MXC_I2C2
+#define CONFIG_SYS_I2C_MXC_I2C3
+#define CONFIG_I2C_MULTI_BUS
+#define CONFIG_SYS_I2C_SPEED		100000
+#define CONFIG_I2C_EDID
+#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN  2
+
+/* Ethernet */
+#ifdef CONFIG_FEC_MXC
+#define IMX_FEC_BASE			ENET_BASE_ADDR
+#define CONFIG_FEC_XCV_TYPE		RGMII
+#define CONFIG_ETHPRIME			"FEC"
+#define CONFIG_FEC_MXC_PHYADDR		0
+#define CONFIG_MII
+#endif
+
+/* MMC Configs */
+#define CONFIG_FSL_ESDHC
+#define CONFIG_FSL_USDHC
+#define CONFIG_SYS_FSL_ESDHC_ADDR	0
+#define CONFIG_SYS_FSL_USDHC_NUM	2
+#define CONFIG_SUPPORT_EMMC_BOOT
+
+/* allow to overwrite serial and ethaddr */
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_BAUDRATE			115200
+
+#ifndef CONFIG_BOOTCOMMAND
+#define CONFIG_BOOTCOMMAND "run boot_mmc"
+#endif
+
+#define PARTS_DEFAULT \
+	/* Linux partitions */ \
+	"partitions=" \
+	"uuid_disk=${uuid_gpt_disk};" \
+	"name=kernel_raw1,start=128K,size=8M,uuid=${uuid_gpt_kernel_raw1};" \
+	"name=rootfs1,size=1528M,uuid=${uuid_gpt_rootfs1};" \
+	"name=kernel_raw2,size=8M,uuid=${uuid_gpt_kernel_raw2};" \
+	"name=rootfs2,size=1528M,uuid=${uuid_gpt_rootfs2};" \
+	"name=data,size=-,uuid=${uuid_gpt_data}\0"
+
+#define FACTORY_PROCEDURE \
+	"echo '#######################';" \
+	"echo '# Factory Boot        #';" \
+	"echo '#######################';" \
+	"env default -a;" \
+	"saveenv;" \
+	"gpt write mmc ${mmcdev} ${partitions};" \
+	"run tftp_sf_SPL;" \
+	"run tftp_sf_uboot;" \
+	TFTP_UPDATE_KERNEL \
+	"run tftp_sf_fitImg_recovery;" \
+	"run tftp_sf_fitImg_SWU;" \
+	"run tftp_sf_initramfs_SWU;" \
+	TFTP_UPDATE_ROOTFS \
+	"echo '#######################';" \
+	"echo '# END - OK            #';" \
+	"echo '#######################';" \
+	"setenv bootcmd 'env default -a; saveenv; run falcon_setup; reset';" \
+	"setenv boot_os 'n';" \
+	"saveenv;" \
+	"reset;"
+
+#define SWUPDATE_RECOVERY_PROCEDURE \
+	"echo '#######################';" \
+	"echo '# RECOVERY SWUupdate  #';" \
+	"echo '#######################';" \
+	"setenv loadaddr_swu_initramfs 0x14000000;" \
+	"setenv bootargs console=${console} " \
+		"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}" \
+		":${hostname}::off root=/dev/ram rw;" \
+	"sf probe;" \
+	"sf read ${loadaddr} swu-kernel;" \
+	"sf read ${loadaddr_swu_initramfs} swu-initramfs;" \
+	"bootm ${loadaddr} ${loadaddr_swu_initramfs};"
+
+#define KERNEL_RECOVERY_PROCEDURE \
+	"echo '#######################';" \
+	"echo '# RECOVERY KERNEL IMG #';" \
+	"echo '#######################';" \
+	"sf probe;" \
+	"sf read ${loadaddr} lin-recovery;" \
+	"bootm;"
+
+#define SETUP_BOOTARGS \
+	"run set_rootfs_part;" \
+	"setenv bootargs ${bootargs} console=${console} "	  \
+		      "root=/dev/mmcblk${mmcdev}p${rootfs_part} " \
+		      "rootwait rootfstype=ext4 rw; " \
+	"run set_kernel_part;" \
+	"part start mmc ${mmcdev} ${kernel_part} lba_start; " \
+	"mmc read ${loadaddr} ${lba_start} 0x2000; " \
+	"setenv fdt_conf imx6q-${board}-${display}.dtb; "
+
+/* All the numbers are in LBAs */
+#define __TFTP_UPDATE_KERNEL \
+	"tftp_mmc_fitImg=" \
+	   "if test ! -n ${kernel_part}; then " \
+	       "setenv kernel_part ${kernel_part_active};" \
+	   "fi;" \
+	   "if tftp ${loadaddr} ${kernel_file}; then " \
+	       "setexpr fw_sz ${filesize} / 0x200; " \
+	       "setexpr fw_sz ${fw_sz} + 1; "  \
+	       "part start mmc ${mmcdev} ${kernel_part} lba_start; " \
+	       "mmc write ${loadaddr} ${lba_start} ${fw_sz}; " \
+	   "; fi\0" \
+
+#define TFTP_UPDATE_KERNEL \
+	"setenv kernel_part ${kernel_part_active};" \
+	"run tftp_mmc_fitImg;" \
+	"setenv kernel_part ${kernel_part_backup};" \
+	"run tftp_mmc_fitImg;" \
+
+#define __TFTP_UPDATE_ROOTFS \
+	"tftp_mmc_rootfs=" \
+	   "if test ! -n ${rootfs_part}; then " \
+	       "setenv rootfs_part ${rootfs_part_active};" \
+	   "fi;" \
+	   "if tftp ${loadaddr} ${rootfs_file}; then " \
+	       "setexpr fw_sz ${filesize} / 0x200; " \
+	       "setexpr fw_sz ${fw_sz} + 1; "  \
+	       "part start mmc ${mmcdev} ${rootfs_part} lba_start; " \
+	       "mmc write ${loadaddr} ${lba_start} ${fw_sz}; " \
+	   "; fi\0" \
+
+/* To save some considerable time, we only once download the rootfs image */
+/* and store it on 'active' and 'backup' rootfs partitions */
+#define TFTP_UPDATE_ROOTFS \
+	"setenv rootfs_part ${rootfs_part_active};" \
+	"run tftp_mmc_rootfs;" \
+	"part start mmc ${mmcdev} ${rootfs_part_backup} lba_start;" \
+	"mmc write ${loadaddr} ${lba_start} ${fw_sz};" \
+
+#define TFTP_UPDATE_RECOVERY_SWU_KERNEL \
+	"tftp_sf_fitImg_SWU=" \
+	    "if tftp ${loadaddr} ${kernel_file}; then " \
+		"sf probe;" \
+		"sf erase swu-kernel +${filesize};" \
+		"sf write ${loadaddr} swu-kernel ${filesize};" \
+	"; fi\0"	  \
+
+#define TFTP_UPDATE_RECOVERY_SWU_INITRAMFS \
+	"swu_initramfs_file=swupdate-image-display5.ext3.gz.u-boot\0" \
+	"tftp_sf_initramfs_SWU=" \
+	    "if tftp ${loadaddr} ${swu_initramfs_file}; then " \
+		"sf probe;" \
+		"sf erase swu-initramfs +${filesize};" \
+		"sf write ${loadaddr} swu-initramfs ${filesize};" \
+	"; fi\0"	  \
+
+#define TFTP_UPDATE_RECOVERY_KERNEL_INITRAMFS \
+	"kernel_recovery_file=fitImage-initramfs\0" \
+	"tftp_sf_fitImg_recovery=" \
+	    "if tftp ${loadaddr} ${kernel_recovery_file}; then " \
+		"sf probe;" \
+		"sf erase lin-recovery +${filesize};" \
+		"sf write ${loadaddr} lin-recovery ${filesize};" \
+	"; fi\0"	  \
+
+#define TFTP_UPDATE_BOOTLOADER \
+	"ubootfile=u-boot.img\0" \
+	"ubootfileSPL=SPL\0" \
+	"tftp_sf_uboot=" \
+	    "if tftp ${loadaddr} ${ubootfile}; then " \
+		"sf probe;" \
+		"sf erase u-boot +${filesize};" \
+		"sf write ${loadaddr} u-boot ${filesize}" \
+	"; fi\0"	  \
+	"tftp_sf_SPL="	  \
+	    "if tftp ${loadaddr} ${ubootfileSPL}; then " \
+		"sf probe;" \
+		"setexpr uboot_SPL_size ${filesize} + 0x400;" \
+		"sf erase 0x0 +${uboot_SPL_size};" \
+		"sf write ${loadaddr} 0x400 ${filesize};" \
+	"fi\0" \
+
+#define CONFIG_EXTRA_ENV_SETTINGS	  \
+	PARTS_DEFAULT \
+	"display=tianma-tm070-800x480\0" \
+	"board=display5\0" \
+	"mmcdev=0\0" \
+	"altbootcmd=run recovery\0" \
+	"bootdelay=1\0" \
+	"baudrate=115200\0" \
+	"bootcmd=" CONFIG_BOOTCOMMAND "\0" \
+	"factory=" FACTORY_PROCEDURE "\0" \
+	"bootlimit=3\0" \
+	"ethact=FEC\0" \
+	"netdev=eth0\0" \
+	"boot_os=y\0" \
+	"hostname=display5\0" \
+	"loadaddr=0x12000000\0" \
+	"fdtaddr=0x12800000\0" \
+	"console=ttymxc4,115200 quiet\0" \
+	"fdtfile=imx6q-display5.dtb\0" \
+	"fdt_high=0xffffffff\0" \
+	"initrd_high=0xffffffff\0" \
+	"kernel_file=fitImage\0" \
+	"up=run tftp_sf_SPL; run tftp_sf_uboot\0" \
+	"download_kernel=" \
+		"tftpboot ${loadaddr} ${kernel_file};\0" \
+	"boot_kernel_recovery=" KERNEL_RECOVERY_PROCEDURE "\0" \
+	"boot_swu_recovery=" SWUPDATE_RECOVERY_PROCEDURE "\0" \
+	"recovery=" \
+	"if test ${BOOT_FROM_RECOVERY} = SWU; then " \
+	     "echo BOOT: RECOVERY: SWU;" \
+	     "run boot_swu_recovery;" \
+	"else " \
+	     "echo BOOT: RECOVERY: Linux;" \
+	     "run boot_kernel_recovery;" \
+	"fi\0" \
+	"boot_tftp=" \
+	"if run download_kernel; then "	  \
+	     "setenv bootargs console=${console} " \
+	     "root=/dev/mmcblk0p2 rootwait;" \
+	     "bootm ${loadaddr} - ${fdtaddr};" \
+	"fi\0" \
+	"addip=setenv bootargs ${bootargs} " \
+	"ip=${ipaddr}:${serverip}:${gatewayip}:${netmask}:" \
+	    "${hostname}:eth0:on"	  \
+	"\0"	  \
+	"nfsargs=setenv bootargs " \
+	"root=/dev/nfs rw "	  \
+	"nfsroot=${serverip}:${rootpath},nolock,nfsvers=3" \
+	"\0" \
+	"rootpath=/srv/tftp/DISP5/rootfs\0" \
+	"boot_nfs=" \
+	"if run download_kernel; then "	  \
+	     "run nfsargs;"	  \
+	     "run addip;"	  \
+	     "setenv bootargs ${bootargs} console=${console};"	  \
+	     "setenv fdt_conf imx6q-${board}-${display}.dtb; " \
+	     "bootm ${loadaddr}#conf@${fdt_conf};" \
+	"fi\0" \
+	"falcon_setup=" \
+	"if mmc dev ${mmcdev}; then "	  \
+	     SETUP_BOOTARGS \
+	     "spl export fdt ${loadaddr}#conf@${fdt_conf};" \
+	     "setexpr fw_sz ${fdtargslen} / 0x200; " \
+	     "setexpr fw_sz ${fw_sz} + 1; "  \
+	     "mmc write ${fdtargsaddr} " \
+	     __stringify(CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR)" ${fw_sz}; " \
+	"fi\0" \
+	"boot_mmc=" \
+	"if mmc dev ${mmcdev}; then "	  \
+	     SETUP_BOOTARGS \
+	     "bootm ${loadaddr}#conf@${fdt_conf};" \
+	"fi\0" \
+	"set_kernel_part=" \
+	"if test ${BOOT_FROM} = ACTIVE; then " \
+	     "setenv kernel_part ${kernel_part_active};" \
+	     "echo BOOT: ACTIVE;" \
+	"else if test ${BOOT_FROM} = BACKUP; then " \
+	     "setenv kernel_part ${kernel_part_backup};" \
+	     "echo BOOT: BACKUP;" \
+	"else " \
+	     "run recovery;" \
+	"fi;fi\0" \
+	"set_rootfs_part=" \
+	"if test ${BOOT_FROM} = ACTIVE; then " \
+	     "setenv rootfs_part ${rootfs_part_active};" \
+	"else if test ${BOOT_FROM} = BACKUP; then " \
+	     "setenv rootfs_part ${rootfs_part_backup};" \
+	"else " \
+	     "run recovery;" \
+	"fi;fi\0" \
+	"BOOT_FROM=ACTIVE\0" \
+	"BOOT_FROM_RECOVERY=Linux\0" \
+	TFTP_UPDATE_BOOTLOADER \
+	"kernel_part_active=1\0" \
+	"kernel_part_backup=3\0" \
+	__TFTP_UPDATE_KERNEL \
+	"rootfs_part_active=2\0" \
+	"rootfs_part_backup=4\0" \
+	"rootfs_file=core-image-lwn-display5.ext4\0" \
+	__TFTP_UPDATE_ROOTFS \
+	TFTP_UPDATE_RECOVERY_KERNEL_INITRAMFS \
+	TFTP_UPDATE_RECOVERY_SWU_KERNEL \
+	TFTP_UPDATE_RECOVERY_SWU_INITRAMFS \
+	"\0" \
+
+/* Miscellaneous configurable options */
+#undef CONFIG_SYS_CBSIZE
+#define CONFIG_SYS_CBSIZE		2048
+
+/* Print Buffer Size */
+#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
+					 sizeof(CONFIG_SYS_PROMPT) + 16)
+#define CONFIG_SYS_MAXARGS		32
+#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
+
+#define CONFIG_STANDALONE_LOAD_ADDR	0x10001000
+#define CONFIG_SYS_HZ			1000
+
+/* 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)
+
+/* Commands */
+#define CONFIG_MTD_PARTITIONS
+#define CONFIG_MTD_DEVICE
+
+/* ENV config */
+#ifdef CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_ENV_SIZE		(SZ_64K)
+/* The 0x120000 value corresponds to above SPI-NOR memory MAP */
+#define CONFIG_ENV_OFFSET		(0x120000)
+#define CONFIG_ENV_SECT_SIZE		(SZ_64K)
+#define CONFIG_SYS_REDUNDAND_ENVIRONMENT
+#define CONFIG_ENV_OFFSET_REDUND	(CONFIG_ENV_OFFSET + \
+						CONFIG_ENV_SECT_SIZE)
+#define CONFIG_ENV_SIZE_REDUND		CONFIG_ENV_SIZE
+
+#define CONFIG_ENV_SPI_BUS		CONFIG_SF_DEFAULT_BUS
+#define CONFIG_ENV_SPI_CS		CONFIG_SF_DEFAULT_CS
+#define CONFIG_ENV_SPI_MODE		CONFIG_SF_DEFAULT_MODE
+#define CONFIG_ENV_SPI_MAX_HZ		CONFIG_SF_DEFAULT_SPEED
+#endif
+
+#define CONFIG_MXC_USB_PORTSC           (PORT_PTS_UTMI | PORT_PTS_PTW)
+#endif /* __CONFIG_H */