arm: mx6: add support for Compulab cm-fx6 CoM

Add initial support for Compulab CM-FX6 CoM.
Support includes MMC, SPI flash, and SPL with dynamic DRAM detection.

Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Tom Rini <trini@ti.com>
Cc: Marek Vasut <marex@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Acked-by: Marek Vasut <marex@denx.de>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>

1 files changed, 192 insertions, 0 deletions

diff --git a/include/configs/cm_fx6.h b/include/configs/cm_fx6.h
new file mode 100644
index 0000000..15c55be
--- /dev/null
+++ b/include/configs/cm_fx6.h
@@ -0,0 +1,192 @@
+/*
+ * Config file for Compulab CM-FX6 board
+ *
+ * Copyright (C) 2014, Compulab Ltd - http://compulab.co.il/
+ *
+ * Author: Nikita Kiryanov <nikita@compulab.co.il>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_CM_FX6_H
+#define __CONFIG_CM_FX6_H
+
+#include <asm/arch/imx-regs.h>
+#include <config_distro_defaults.h>
+#include "mx6_common.h"
+
+/* Machine config */
+#define CONFIG_MX6
+#define CONFIG_SYS_LITTLE_ENDIAN
+#define CONFIG_MACH_TYPE		4273
+#define CONFIG_SYS_HZ			1000
+
+/* Display information on boot */
+#define CONFIG_DISPLAY_CPUINFO
+#define CONFIG_DISPLAY_BOARDINFO
+#define CONFIG_TIMESTAMP
+
+/* CMD */
+#include <config_cmd_default.h>
+#define CONFIG_CMD_GREPENV
+#undef CONFIG_CMD_FLASH
+#undef CONFIG_CMD_LOADB
+#undef CONFIG_CMD_LOADS
+#undef CONFIG_CMD_XIMG
+#undef CONFIG_CMD_FPGA
+#undef CONFIG_CMD_IMLS
+#undef CONFIG_CMD_NET
+#undef CONFIG_CMD_NFS
+
+/* MMC */
+#define CONFIG_MMC
+#define CONFIG_CMD_MMC
+#define CONFIG_GENERIC_MMC
+#define CONFIG_FSL_ESDHC
+#define CONFIG_FSL_USDHC
+#define CONFIG_SYS_FSL_USDHC_NUM	3
+#define CONFIG_SYS_FSL_ESDHC_ADDR	USDHC2_BASE_ADDR
+
+/* RAM */
+#define PHYS_SDRAM_1			MMDC0_ARB_BASE_ADDR
+#define PHYS_SDRAM_2			MMDC1_ARB_BASE_ADDR
+#define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
+#define CONFIG_NR_DRAM_BANKS		2
+#define CONFIG_SYS_MEMTEST_START	0x10000000
+#define CONFIG_SYS_MEMTEST_END		0x10010000
+#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)
+
+/* Serial console */
+#define CONFIG_MXC_UART
+#define CONFIG_MXC_UART_BASE		UART4_BASE
+#define CONFIG_BAUDRATE			115200
+#define CONFIG_SYS_BAUDRATE_TABLE	{9600, 19200, 38400, 57600, 115200}
+
+/* Shell */
+#define CONFIG_SYS_PROMPT	"CM-FX6 # "
+#define CONFIG_SYS_CBSIZE	1024
+#define CONFIG_SYS_MAXARGS	16
+#define CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE
+#define CONFIG_SYS_PBSIZE	(CONFIG_SYS_CBSIZE + \
+					sizeof(CONFIG_SYS_PROMPT) + 16)
+
+/* SPI flash */
+#define CONFIG_SYS_NO_FLASH
+#define CONFIG_CMD_SF
+#define CONFIG_SF_DEFAULT_BUS		0
+#define CONFIG_SF_DEFAULT_CS		0
+#define CONFIG_SF_DEFAULT_SPEED		25000000
+#define CONFIG_SF_DEFAULT_MODE		(SPI_MODE_0)
+
+/* Environment */
+#define CONFIG_ENV_OVERWRITE
+#define CONFIG_ENV_IS_IN_SPI_FLASH
+#define CONFIG_ENV_SPI_MAX_HZ		CONFIG_SF_DEFAULT_SPEED
+#define CONFIG_ENV_SPI_MODE		CONFIG_SF_DEFAULT_MODE
+#define CONFIG_ENV_SPI_BUS		CONFIG_SF_DEFAULT_BUS
+#define CONFIG_ENV_SPI_CS		CONFIG_SF_DEFAULT_CS
+#define CONFIG_ENV_SECT_SIZE		(64 * 1024)
+#define CONFIG_ENV_SIZE			(8 * 1024)
+#define CONFIG_ENV_OFFSET		(768 * 1024)
+
+#define CONFIG_EXTRA_ENV_SETTINGS \
+	"kernel=uImage-cm-fx6\0" \
+	"autoload=no\0" \
+	"loadaddr=0x10800000\0" \
+	"fdtaddr=0x11000000\0" \
+	"console=ttymxc3,115200\0" \
+	"ethprime=FEC0\0" \
+	"bootscr=boot.scr\0" \
+	"bootm_low=18000000\0" \
+	"video_hdmi=mxcfb0:dev=hdmi,1920x1080M-32@50,if=RGB32\0" \
+	"video_dvi=mxcfb0:dev=dvi,1280x800M-32@50,if=RGB32\0" \
+	"fdtfile=cm-fx6.dtb\0" \
+	"doboot=bootm ${loadaddr}\0" \
+	"loadfdt=false\0" \
+	"setboottypez=setenv kernel zImage-cm-fx6;" \
+		"setenv doboot bootz ${loadaddr} - ${fdtaddr};" \
+		"setenv loadfdt true;\0" \
+	"setboottypem=setenv kernel uImage-cm-fx6;" \
+		"setenv doboot bootm ${loadaddr};" \
+		"setenv loadfdt false;\0"\
+	"run_eboot=echo Starting EBOOT ...; "\
+		"mmc dev ${mmcdev} && " \
+		"mmc rescan && mmc read 10042000 a 400 && go 10042000\0" \
+	"mmcdev=2\0" \
+	"mmcroot=/dev/mmcblk0p2 rw rootwait\0" \
+	"loadmmcbootscript=load mmc ${mmcdev} ${loadaddr} ${bootscr}\0" \
+	"mmcbootscript=echo Running bootscript from mmc ...; "\
+		"source ${loadaddr}\0" \
+	"mmcargs=setenv bootargs console=${console} " \
+		"root=${mmcroot} " \
+		"${video}\0" \
+	"mmcloadkernel=load mmc ${mmcdev} ${loadaddr} ${kernel}\0" \
+	"mmcloadfdt=load mmc ${mmcdev} ${fdtaddr} ${fdtfile}\0" \
+	"mmcboot=echo Booting from mmc ...; " \
+		"run mmcargs; " \
+		"run doboot\0" \
+	"boot=mmc dev ${mmcdev}; " \
+		"if mmc rescan; then " \
+			"if run loadmmcbootscript; then " \
+				"run mmcbootscript;" \
+			"else " \
+				"if run mmcloadkernel; then " \
+					"if ${loadfdt}; then " \
+						"run mmcloadfdt;" \
+					"fi;" \
+					"run mmcboot;" \
+				"fi;" \
+			"fi;" \
+		"fi;\0"
+
+#define CONFIG_BOOTCOMMAND \
+	"run setboottypem; run boot"
+
+/* SPI */
+#define CONFIG_SPI
+#define CONFIG_MXC_SPI
+#define CONFIG_SPI_FLASH
+#define CONFIG_SPI_FLASH_ATMEL
+#define CONFIG_SPI_FLASH_EON
+#define CONFIG_SPI_FLASH_GIGADEVICE
+#define CONFIG_SPI_FLASH_MACRONIX
+#define CONFIG_SPI_FLASH_SPANSION
+#define CONFIG_SPI_FLASH_STMICRO
+#define CONFIG_SPI_FLASH_SST
+#define CONFIG_SPI_FLASH_WINBOND
+
+/* GPIO */
+#define CONFIG_MXC_GPIO
+
+/* Boot */
+#define CONFIG_ZERO_BOOTDELAY_CHECK
+#define CONFIG_LOADADDR			0x10800000
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_LOADADDR
+#define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs */
+#define CONFIG_SYS_BOOTMAPSZ	        (8 << 20)
+#define CONFIG_SETUP_MEMORY_TAGS
+#define CONFIG_INITRD_TAG
+
+/* misc */
+#define CONFIG_SYS_GENERIC_BOARD
+#define CONFIG_STACKSIZE			(128 * 1024)
+#define CONFIG_SYS_MALLOC_LEN			(2 * 1024 * 1024)
+#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS	800 /* 400 KB */
+
+/* SPL */
+#include "imx6_spl.h"
+#define CONFIG_SPL_BOARD_INIT
+#define CONFIG_SPL_MMC_SUPPORT
+#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR	0x80 /* offset 64 kb */
+#define CONFIG_SYS_MONITOR_LEN	(CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS / 2 * 1024)
+#define CONFIG_SPL_SPI_SUPPORT
+#define CONFIG_SPL_SPI_FLASH_SUPPORT
+#define CONFIG_SYS_SPI_U_BOOT_OFFS	(64 * 1024)
+#define CONFIG_SPL_SPI_LOAD
+
+#endif	/* __CONFIG_CM_FX6_H */