imx: Add support for Ronetix's iMX7-CM board

Console boot log:

U-Boot SPL 2021.04-00836-ga6232e065d-dirty (Apr 16 2021 - 15:16:35 +0200)
Trying to boot from MMC1

U-Boot 2021.04-00836-ga6232e065d-dirty (Apr 16 2021 - 15:16:35 +0200)

CPU:   Freescale i.MX7D rev1.3 1000 MHz (running at 792 MHz)
CPU:   Commercial temperature grade (0C to 95C) at 44C
Reset cause: POR
Model: Ronetix iMX7-CM Board
Board: iMX7-CM
DRAM:  512 MiB
PMIC:  PFUZE3000 DEV_ID=0x30 REV_ID=0x11
MMC:   FSL_SDHC: 0, FSL_SDHC: 2
Loading Environment from MMC... OK
In:    serial
Out:   serial
Err:   serial
Net:
Warning: ethernet@30be0000 (eth0) using random MAC address - fe:be:37:01:5a:3f
eth0: ethernet@30be0000
Hit any key to stop autoboot:  0

Signed-off-by: Ilko Iliev <iliev@ronetix.at>

1 files changed, 110 insertions, 0 deletions

diff --git a/include/configs/imx7-cm.h b/include/configs/imx7-cm.h
new file mode 100644
index 0000000000..4a3706d996
--- /dev/null
+++ b/include/configs/imx7-cm.h
@@ -0,0 +1,110 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2021 Ronetix GmbH
+ *
+ * Configuration settings for the Ronetix's iMX7-CM System-on-Module.
+ */
+
+#ifndef __IMX7_CM_CONFIG_H
+#define __IMX7_CM_CONFIG_H
+
+#include "mx7_common.h"
+
+#define CONFIG_MXC_UART_BASE            UART1_IPS_BASE_ADDR
+
+/* Size of malloc() pool */
+#define CONFIG_SYS_MALLOC_LEN		(32 * SZ_1M)
+
+#define CONFIG_ETHPRIME                 "FEC"
+
+#undef CONFIG_SYS_AUTOLOAD
+#undef CONFIG_EXTRA_ENV_SETTINGS
+#undef CONFIG_BOOTCOMMAND
+
+/*
+ * Use:
+ * 		boot-mode=mix
+ * 		boot-mode=sd
+ * 		boot-mode=net
+ */
+#define MY_CONFIG_BOOT_MODE	"boot-mode=sd\0"
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	MY_CONFIG_BOOT_MODE \
+	"image=zImage\0" \
+	"console=ttymxc0\0" \
+	"fdt_file=imx7-cm.dtb\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" \
+	"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" \
+	\
+	"bootsd=" \
+		"echo Booting from SD card ...; " \
+		"run mmcargs; " \
+		"mmc dev ${mmcdev};" \
+		"run loadimage; " \
+		"run loadfdt; " \
+		"bootz ${loadaddr} - ${fdt_addr}; " \
+		"\0" \
+	\
+	"bootmix=" \
+		"echo Boot Kernel and FDT from TFTP, RootFs from SD card ...; " \
+		"run mmcargs; " \
+		"mmc dev ${mmcdev};" \
+		"tftp ${fdt_addr} ${fdt_file}; " \
+		"tftp ${image}; " \
+		"bootz ${loadaddr} - ${fdt_addr}; " \
+		"\0" \
+	\
+	"netargs=setenv bootargs console=${console},${baudrate} " \
+		"root=/dev/nfs " \
+		"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp" \
+		"\0" \
+	"bootnet=" \
+		"echo Booting from net ...; " \
+		"run netargs; " \
+		"tftp ${image}; " \
+		"tftp ${fdt_addr} ${fdt_file}; " \
+		"bootz ${loadaddr} - ${fdt_addr}; " \
+		"\0"
+
+#define CONFIG_BOOTCOMMAND "run boot${boot-mode}"
+
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR
+#define CONFIG_SYS_HZ				1000
+
+/* Physical Memory Map */
+#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)
+
+/* MMC Config*/
+#define CONFIG_SYS_FSL_ESDHC_ADDR       USDHC1_BASE_ADDR
+#define CONFIG_SYS_FSL_USDHC_NUM		2
+
+#define CONFIG_SYS_MMC_ENV_DEV			0   /* USDHC1 */
+#define CONFIG_SYS_MMC_ENV_PART			0	/* user area */
+#define CONFIG_SYS_MMC_IMG_LOAD_PART	1
+#define CONFIG_MMCROOT					"/dev/mmcblk0p2"  /* USDHC1 */
+
+/* USB Configs */
+#define CONFIG_MXC_USB_PORTSC  (PORT_PTS_UTMI | PORT_PTS_PTW)
+
+#define CONFIG_USBD_HS
+
+/* SPL */
+#include "imx7_spl.h"
+
+#endif	/* __CONFIG_H */