arm: imx8m: add support for Compulab iot-gate-imx8 (imx8mm-cl-iot-gate)

Add initial support for Compulab iot-gate-imx8 board (imx8mm-cl-iot-gate).
The initial support includes:
 - MMC
 - eMMC
 - I2C
 - FEC
 - Serial console

Signed-off-by: Kirill Kapranov <kirill.kapranov@compulab.co.il>
Signed-off-by: Uri Mashiach <uri.mashiach@compulab.co.il>
Signed-off-by: Valentin Raevsky <valentin@compulab.co.il>
Signed-off-by: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org>
Cc: Peter Robinson <pbrobinson@gmail.com>

1 files changed, 196 insertions, 0 deletions

diff --git a/include/configs/imx8mm-cl-iot-gate.h b/include/configs/imx8mm-cl-iot-gate.h
new file mode 100644
index 00000000000..faeee2178c2
--- /dev/null
+++ b/include/configs/imx8mm-cl-iot-gate.h
@@ -0,0 +1,196 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2019 NXP
+ */
+
+#ifndef __IMX8MM_CL_IOT_GATE_H
+#define __IMX8MM_CL_IOT_GATE_H
+
+#include <linux/sizes.h>
+#include <linux/stringify.h>
+#include <asm/arch/imx-regs.h>
+#include <config_distro_bootcmd.h>
+
+#define CONFIG_SYS_BOOTM_LEN		(32 * SZ_1M)
+#define CONFIG_SPL_MAX_SIZE		(148 * 1024)
+#define CONFIG_SYS_MONITOR_LEN		SZ_512K
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	0x300
+#define CONFIG_SYS_UBOOT_BASE	\
+	(QSPI0_AMBA_BASE + CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512)
+
+#ifdef CONFIG_SPL_BUILD
+#define CONFIG_SPL_STACK		0x920000
+#define CONFIG_SPL_BSS_START_ADDR	0x910000
+#define CONFIG_SPL_BSS_MAX_SIZE		SZ_8K	/* 8 KB */
+#define CONFIG_SYS_SPL_MALLOC_START	0x42200000
+#define CONFIG_SYS_SPL_MALLOC_SIZE	SZ_512K	/* 512 KB */
+
+/* malloc f used before GD_FLG_FULL_MALLOC_INIT set */
+#define CONFIG_MALLOC_F_ADDR		0x912000
+/* For RAW image gives a error info not panic */
+#define CONFIG_SPL_ABORT_ON_RAW_IMAGE
+
+#endif
+
+#if CONFIG_IS_ENABLED(CMD_MMC)
+# define BOOT_TARGET_MMC(func) \
+	func(MMC, mmc, 2)      \
+	func(MMC, mmc, 0)
+#else
+# define BOOT_TARGET_MMC(func)
+#endif
+
+#if CONFIG_IS_ENABLED(CMD_USB)
+# define BOOT_TARGET_USB(func) func(USB, usb, 0)
+#else
+# define BOOT_TARGET_USB(func)
+#endif
+
+#if CONFIG_IS_ENABLED(CMD_PXE)
+# define BOOT_TARGET_PXE(func) func(PXE, pxe, na)
+#else
+# define BOOT_TARGET_PXE(func)
+#endif
+
+#if CONFIG_IS_ENABLED(CMD_DHCP)
+# define BOOT_TARGET_DHCP(func) func(DHCP, dhcp, na)
+#else
+# define BOOT_TARGET_DHCP(func)
+#endif
+
+#define BOOT_TARGET_DEVICES(func) \
+	BOOT_TARGET_USB(func) \
+	BOOT_TARGET_MMC(func) \
+	BOOT_TARGET_PXE(func) \
+	BOOT_TARGET_DHCP(func)
+
+/* Initial environment variables */
+#define CONFIG_EXTRA_ENV_SETTINGS		\
+	BOOTENV \
+	"script=boot.scr\0" \
+	"image=Image\0" \
+	"console=ttymxc2,115200 earlycon=ec_imx6q,0x30880000,115200\0" \
+	"fdt_addr=0x43000000\0"			\
+	"fdt_addr_r=0x43000000\0" \
+	"boot_fit=no\0" \
+	"dfu_alt_info=mmc 2=flash-bin raw 0x42 0x250 mmcpart 1;" \
+		"u-boot-itb raw 0x300 0x1B00 mmcpart 1\0"	 \
+	"fdt_file=sb-iotgimx8.dtb\0" \
+	"fdtfile=sb-iotgimx8.dtb\0" \
+	"initrd_addr=0x43800000\0"		\
+	"bootm_size=0x10000000\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=${console} root=${mmcroot}\0 " \
+	"loadbootscript=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
+	"bootscript=echo Running bootscript from mmc ...; " \
+		"source\0" \
+	"loadimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${image}\0" \
+	"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
+	"kernel_addr_r=0x40480000\0" \
+	"pxefile_addr_r=0x40480000\0" \
+	"ramdisk_addr_r=0x43800000\0" \
+	"mmcboot=echo Booting from mmc ...; " \
+		"run mmcargs; " \
+		"if test ${boot_fit} = yes || test ${boot_fit} = try; then " \
+			"bootm ${loadaddr}; " \
+		"else " \
+			"if run loadfdt; then " \
+				"booti ${loadaddr} - ${fdt_addr}; " \
+			"else " \
+				"echo WARN: Cannot load the DT; " \
+			"fi; " \
+		"fi;\0" \
+	"netargs=setenv bootargs console=${console} " \
+		"root=/dev/nfs " \
+		"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
+	"netboot=echo Booting from net ...; " \
+		"run netargs;  " \
+		"if test ${ip_dyn} = yes; then " \
+			"setenv get_cmd dhcp; " \
+		"else " \
+			"setenv get_cmd tftp; " \
+		"fi; " \
+		"${get_cmd} ${loadaddr} ${image}; " \
+		"if test ${boot_fit} = yes || test ${boot_fit} = try; then " \
+			"bootm ${loadaddr}; " \
+		"else " \
+			"if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
+				"booti ${loadaddr} - ${fdt_addr}; " \
+			"else " \
+				"echo WARN: Cannot load the DT; " \
+			"fi; " \
+		"fi;\0"
+
+#ifndef CONFIG_BOOTCOMMAND
+#define CONFIG_BOOTCOMMAND \
+	   "mmc dev ${mmcdev}; if mmc rescan; then " \
+		   "if run loadbootscript; then " \
+			   "run bootscript; " \
+		   "else " \
+			   "if run loadimage; then " \
+				   "run mmcboot; " \
+			   "else run netboot; " \
+			   "fi; " \
+		   "fi; " \
+	   "fi;"
+#endif
+
+/* Link Definitions */
+#define CONFIG_LOADADDR			0x40480000
+
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR
+
+#define CONFIG_SYS_INIT_RAM_ADDR	0x40000000
+#define CONFIG_SYS_INIT_RAM_SIZE	0x80000
+#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)
+
+#define CONFIG_MMCROOT			"/dev/mmcblk1p2"  /* USDHC2 */
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN		SZ_32M
+
+#define CONFIG_SYS_SDRAM_BASE		0x40000000
+#define PHYS_SDRAM			0x40000000
+#define PHYS_SDRAM_SIZE			0x80000000 /* 2GB DDR */
+
+#define CONFIG_MXC_UART_BASE		UART3_BASE_ADDR
+
+/* Monitor Command Prompt */
+#define CONFIG_SYS_PROMPT_HUSH_PS2	"> "
+#define CONFIG_SYS_CBSIZE		2048
+#define CONFIG_SYS_MAXARGS		64
+#define CONFIG_SYS_BARGSIZE		CONFIG_SYS_CBSIZE
+#define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
+					sizeof(CONFIG_SYS_PROMPT) + 16)
+
+/* USDHC */
+#define CONFIG_FSL_USDHC
+
+#define CONFIG_SYS_FSL_USDHC_NUM	2
+#define CONFIG_SYS_FSL_ESDHC_ADDR	0
+
+#define CONFIG_SYS_MMC_IMG_LOAD_PART	1
+
+#define CONFIG_SYS_I2C_SPEED		100000
+
+#define CONFIG_ETHPRIME			"FEC"
+
+#define CONFIG_FEC_XCV_TYPE		RGMII
+#define CONFIG_FEC_MXC_PHYADDR		0
+#define FEC_QUIRK_ENET_MAC
+
+#define IMX_FEC_BASE			0x30BE0000
+
+/* USB Configs */
+#define CONFIG_EHCI_HCD_INIT_AFTER_RESET
+#define CONFIG_MXC_USB_PORTSC	(PORT_PTS_UTMI | PORT_PTS_PTW)
+#define CONFIG_USB_MAX_CONTROLLER_COUNT 2
+
+#endif /*__IMX8MM_CL_IOT_GATE_H*/