[U-Boot] [PATCH 13/20] iMX28: Add support for DENX M28EVK board

Stefano Babic sbabic at denx.de
Thu Nov 10 14:13:32 CET 2011


On 11/09/2011 10:18 AM, Marek Vasut wrote:
> This contains support for the following components:
> - DUART
> - MMC
> - Both FEC interfaces
> - NAND
> - I2C (RTC, EEPROM)
> - SPI (FLASH)
> 
> Signed-off-by: Marek Vasut <marek.vasut at gmail.com>
> Cc: Stefano Babic <sbabic at denx.de>
> Cc: Wolfgang Denk <wd at denx.de>
> Cc: Detlev Zundel <dzu at denx.de>
> ---
>  MAINTAINERS                |    1 +
>  board/denx/m28evk/Makefile |   43 +++++++
>  board/denx/m28evk/m28evk.c |  195 ++++++++++++++++++++++++++++++
>  boards.cfg                 |    1 +
>  include/configs/m28evk.h   |  282 ++++++++++++++++++++++++++++++++++++++++++++
>  5 files changed, 522 insertions(+), 0 deletions(-)
>  create mode 100644 board/denx/m28evk/Makefile
>  create mode 100644 board/denx/m28evk/m28evk.c
>  create mode 100644 include/configs/m28evk.h
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 030fe4a..3fa2b70 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -859,6 +859,7 @@ Marek Vasut <marek.vasut at gmail.com>
>  	palmtc		xscale/pxa
>  	vpac270		xscale/pxa
>  	zipitz2		xscale/pxa
> +	m28evk		i.MX28
>   	efikamx		i.MX51
>  	efikasb		i.MX51
>  
> diff --git a/board/denx/m28evk/Makefile b/board/denx/m28evk/Makefile
> new file mode 100644
> index 0000000..e6aba9a
> --- /dev/null
> +++ b/board/denx/m28evk/Makefile
> @@ -0,0 +1,43 @@
> +#
> +# (C) Copyright 2000-2006
> +# Wolfgang Denk, DENX Software Engineering, wd at denx.de.
> +#
> +# See file CREDITS for list of people who contributed to this
> +# project.
> +#
> +# This program is free software; you can redistribute it and/or
> +# modify it under the terms of the GNU General Public License as
> +# published by the Free Software Foundation; either version 2 of
> +# the License, or (at your option) any later version.
> +#
> +# This program is distributed in the hope that it will be useful,
> +# but WITHOUT ANY WARRANTY; without even the implied warranty of
> +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> +# GNU General Public License for more details.
> +#
> +# You should have received a copy of the GNU General Public License
> +# along with this program; if not, write to the Free Software
> +# Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> +# MA 02111-1307 USA
> +#
> +
> +include $(TOPDIR)/config.mk
> +
> +LIB	= $(obj)lib$(BOARD).o
> +
> +COBJS	:= m28evk.o
> +
> +SRCS	:= $(COBJS:.o=.c)
> +OBJS	:= $(addprefix $(obj),$(COBJS))
> +
> +$(LIB):	$(obj).depend $(OBJS)
> +	$(call cmd_link_o_target, $(OBJS))
> +
> +#########################################################################
> +
> +# defines $(obj).depend target
> +include $(SRCTREE)/rules.mk
> +
> +sinclude $(obj).depend
> +
> +#########################################################################
> diff --git a/board/denx/m28evk/m28evk.c b/board/denx/m28evk/m28evk.c
> new file mode 100644
> index 0000000..118e222
> --- /dev/null
> +++ b/board/denx/m28evk/m28evk.c
> @@ -0,0 +1,195 @@
> +/*
> + * DENX M28 module
> + *
> + * Copyright (C) 2011 Marek Vasut <marek.vasut at gmail.com>
> + * on behalf of DENX Software Engineering GmbH
> + *
> + * See file CREDITS for list of people who contributed to this
> + * project.
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> + * MA 02111-1307 USA
> + */
> +
> +#include <common.h>
> +#include <asm/gpio.h>
> +#include <asm/io.h>
> +#include <asm/arch/imx-regs.h>
> +#include <asm/arch/iomux-mx28.h>
> +#include <asm/arch/clock.h>
> +#include <asm/arch/sys_proto.h>
> +#include <linux/mii.h>
> +#include <miiphy.h>
> +#include <netdev.h>
> +#include <errno.h>
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +/*
> + * Functions
> + */
> +int board_early_init_f(void)
> +{
> +	/* IO0 clock at 480MHz */
> +	mx28_set_ioclk(MXC_IOCLK0, 480000);
> +	/* IO1 clock at 480MHz */
> +	mx28_set_ioclk(MXC_IOCLK1, 480000);
> +
> +	/* SSP0 clock at 96MHz */
> +	mx28_set_sspclk(MXC_SSPCLK0, 96000, 0);
> +	/* SSP2 clock at 96MHz */
> +	mx28_set_sspclk(MXC_SSPCLK2, 96000, 0);
> +
> +	return 0;
> +}
> +
> +int board_init(void)
> +{
> +	/* Adress of boot parameters */
> +	gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100;
> +
> +	return 0;
> +}
> +
> +int dram_init(void)
> +{
> +	/* dram_init must store complete ramsize in gd->ram_size */
> +	gd->ram_size = get_ram_size((long *)PHYS_SDRAM_1, PHYS_SDRAM_1_SIZE);
> +	return 0;
> +}
> +
> +#ifdef	CONFIG_CMD_MMC
> +static int m28_mmc_wp(int id)
> +{
> +	if (id != 0) {
> +		printf("MXS MMC: Invalid card selected (card id = %d)\n", id);
> +		return 1;
> +	}
> +
> +	return gpio_get_value(MX28_PAD_AUART2_CTS__GPIO_3_10);
> +}
> +
> +int board_mmc_init(bd_t *bis)
> +{
> +	/* Configure WP as output */
> +	gpio_direction_input(MX28_PAD_AUART2_CTS__GPIO_3_10);
> +
> +	return mxsmmc_initialize(bis, 0, m28_mmc_wp);
> +}
> +#endif
> +
> +#ifdef	CONFIG_CMD_NET
> +
> +#define	MII_OPMODE_STRAP_OVERRIDE	0x16
> +#define	MII_PHY_CTRL1			0x1e
> +#define	MII_PHY_CTRL2			0x1f
> +
> +int fecmxc_mii_postcall(int phy)
> +{
> +	miiphy_write("FEC1", phy, MII_BMCR, 0x9000);
> +	miiphy_write("FEC1", phy, MII_OPMODE_STRAP_OVERRIDE, 0x0202);
> +	if (phy == 3)
> +		miiphy_write("FEC1", 3, MII_PHY_CTRL2, 0x8180);
> +	return 0;
> +}
> +
> +int board_eth_init(bd_t *bis)
> +{
> +	struct mx28_clkctrl_regs *clkctrl_regs =
> +		(struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE;
> +	struct eth_device *dev;
> +	int ret;
> +
> +	ret = cpu_eth_init(bis);
> +
> +	clrsetbits_le32(&clkctrl_regs->hw_clkctrl_enet,
> +		CLKCTRL_ENET_TIME_SEL_MASK | CLKCTRL_ENET_CLK_OUT_EN,
> +		CLKCTRL_ENET_TIME_SEL_RMII_CLK);
> +
> +	ret = fecmxc_initialize_multi(bis, 0, 0, MXS_ENET0_BASE);
> +	if (ret) {
> +		printf("FEC MXS: Unable to init FEC0\n");
> +		return ret;
> +	}
> +
> +	ret = fecmxc_initialize_multi(bis, 1, 3, MXS_ENET1_BASE);
> +	if (ret) {
> +		printf("FEC MXS: Unable to init FEC1\n");
> +		return ret;
> +	}
> +
> +	dev = eth_get_dev_by_name("FEC0");
> +	if (!dev) {
> +		printf("FEC MXS: Unable to get FEC0 device entry\n");
> +		return -EINVAL;
> +	}
> +
> +	ret = fecmxc_register_mii_postcall(dev, fecmxc_mii_postcall);
> +	if (ret) {
> +		printf("FEC MXS: Unable to register FEC0 mii postcall\n");
> +		return ret;
> +	}
> +
> +	dev = eth_get_dev_by_name("FEC1");
> +	if (!dev) {
> +		printf("FEC MXS: Unable to get FEC1 device entry\n");
> +		return -EINVAL;
> +	}
> +
> +	ret = fecmxc_register_mii_postcall(dev, fecmxc_mii_postcall);
> +	if (ret) {
> +		printf("FEC MXS: Unable to register FEC1 mii postcall\n");
> +		return ret;
> +	}
> +
> +	return ret;
> +}
> +
> +#ifdef	CONFIG_M28_FEC_MAC_IN_OCOTP
> +
> +#define	MXS_OCOTP_MAX_TIMEOUT	1000000
> +void imx_get_mac_from_fuse(char *mac)
> +{
> +	struct mx28_ocotp_regs *ocotp_regs =
> +		(struct mx28_ocotp_regs *)MXS_OCOTP_BASE;
> +	uint32_t data;
> +
> +	memset(mac, 0, 6);
> +
> +	writel(OCOTP_CTRL_RD_BANK_OPEN, &ocotp_regs->hw_ocotp_ctrl_set);
> +
> +	if (mx28_wait_mask_clr(&ocotp_regs->hw_ocotp_ctrl_reg, OCOTP_CTRL_BUSY,
> +				MXS_OCOTP_MAX_TIMEOUT)) {
> +		printf("MXS FEC: Can't get MAC from OCOTP\n");
> +		return;
> +	}
> +
> +	data = readl(&ocotp_regs->hw_ocotp_cust0);
> +
> +	mac[0] = 0x00;
> +	mac[1] = 0x04;
> +	mac[2] = (data >> 24) & 0xff;
> +	mac[3] = (data >> 16) & 0xff;
> +	mac[4] = (data >> 8) & 0xff;
> +	mac[5] = data & 0xff;
> +}
> +#else
> +void imx_get_mac_from_fuse(char *mac)
> +{
> +	memset(mac, 0, 6);
> +}
> +#endif
> +
> +#endif
> diff --git a/boards.cfg b/boards.cfg
> index 88be71b..639cd62 100644
> --- a/boards.cfg
> +++ b/boards.cfg
> @@ -157,6 +157,7 @@ tx25                         arm         arm926ejs   tx25                karo
>  zmx25                        arm         arm926ejs   zmx25               syteco         mx25
>  imx27lite                    arm         arm926ejs   imx27lite           logicpd        mx27
>  magnesium                    arm         arm926ejs   imx27lite           logicpd        mx27
> +m28evk                       arm         arm926ejs   -                   denx           mx28
>  nhk8815                      arm         arm926ejs   nhk8815             st             nomadik
>  nhk8815_onenand              arm         arm926ejs   nhk8815             st             nomadik       nhk8815:BOOT_ONENAND
>  omap5912osk                  arm         arm926ejs   -                   ti             omap
> diff --git a/include/configs/m28evk.h b/include/configs/m28evk.h
> new file mode 100644
> index 0000000..d88e09e
> --- /dev/null
> +++ b/include/configs/m28evk.h
> @@ -0,0 +1,282 @@
> +/*
> + * Copyright (C) 2011 Marek Vasut <marek.vasut at gmail.com>
> + * on behalf of DENX Software Engineering GmbH
> + *
> + * This program is free software; you can redistribute it and/or
> + * modify it under the terms of the GNU General Public License as
> + * published by the Free Software Foundation; either version 2 of
> + * the License, or (at your option) any later version.
> + *
> + * This program is distributed in the hope that it will be useful,
> + * but WITHOUT ANY WARRANTY; without even the implied warranty of
> + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the
> + * GNU General Public License for more details.
> + *
> + * You should have received a copy of the GNU General Public License
> + * along with this program; if not, write to the Free Software
> + * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
> + * MA 02111-1307 USA
> + */
> +#ifndef __M28_H__
> +#define __M28_H__
> +
> +#include <asm/arch/regs-base.h>
> +
> +/*
> + * SoC configurations
> + */
> +#define	CONFIG_MX28				/* i.MX28 SoC */
> +#define	CONFIG_MXS_GPIO				/* GPIO control */
> +#define	CONFIG_SYS_HZ		1000		/* Ticks per second */
> +
> +/*
> + * Define M28EVK machine type by hand until it lands in mach-types
> + */
> +#define	MACH_TYPE_M28EVK	3613
> +
> +#define	CONFIG_MACH_TYPE	MACH_TYPE_M28EVK
> +
> +#define	CONFIG_SYS_NO_FLASH
> +#define	CONFIG_SYS_ICACHE_OFF
> +#define	CONFIG_SYS_DCACHE_OFF
> +#define	CONFIG_BOARD_EARLY_INIT_F
> +#define	CONFIG_ARCH_CPU_INIT
> +
> +/*
> + * U-Boot Commands
> + */
> +#include <config_cmd_default.h>
> +#define	CONFIG_DISPLAY_CPUINFO
> +#define	CONFIG_DOS_PARTITION
> +
> +#define	CONFIG_CMD_CACHE
> +#define	CONFIG_CMD_DATE
> +#define	CONFIG_CMD_DHCP
> +#define	CONFIG_CMD_EEPROM
> +#define	CONFIG_CMD_EXT2
> +#define	CONFIG_CMD_FAT
> +#define	CONFIG_CMD_GPIO
> +#define	CONFIG_CMD_I2C
> +#define	CONFIG_CMD_MII
> +#define	CONFIG_CMD_MMC
> +#define	CONFIG_CMD_NAND
> +#define	CONFIG_CMD_NET
> +#define	CONFIG_CMD_NFS
> +#define	CONFIG_CMD_PING
> +#define	CONFIG_CMD_SETEXPR
> +#define	CONFIG_CMD_SF
> +#define	CONFIG_CMD_SPI
> +
> +/*
> + * Memory configurations
> + */
> +#define	CONFIG_NR_DRAM_BANKS		1		/* 2 banks of DRAM */
> +#define	PHYS_SDRAM_1			0x40000000	/* Base address */
> +#define	PHYS_SDRAM_1_SIZE		0x08000000	/* 128 MB */
> +#define	CONFIG_STACKSIZE		0x00010000	/* 128 KB stack */
> +#define	CONFIG_SYS_MALLOC_LEN		0x00400000	/* 4 MB for malloc */
> +#define	CONFIG_SYS_GBL_DATA_SIZE	128		/* Initial data */
> +#define	CONFIG_SYS_MEMTEST_START	0x40000000	/* Memtest start adr */
> +#define	CONFIG_SYS_MEMTEST_END		0x40400000	/* 4 MB RAM test */
> +#define	CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM_1
> +/* Point initial SP in SRAM so SPL can use it too. */
> +#define	CONFIG_SYS_INIT_SP_ADDR		0x00002000
> +/*
> + * We need to sacrifice first 4 bytes of RAM here to avoid triggering some
> + * strange BUG in ROM corrupting first 4 bytes of RAM when loading U-Boot
> + * binary. In case there was more of this mess, 0x100 bytes are skipped.
> + */
> +#define	CONFIG_SYS_TEXT_BASE		0x40000100
> +
> +/*
> + * U-Boot general configurations
> + */
> +#define	CONFIG_SYS_LONGHELP
> +#define	CONFIG_SYS_PROMPT	"=> "
> +#define	CONFIG_SYS_CBSIZE	1024		/* Console I/O buffer size */
> +#define	CONFIG_SYS_PBSIZE	\
> +	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
> +						/* Print buffer size */
> +#define	CONFIG_SYS_MAXARGS	32		/* Max number of command args */
> +#define	CONFIG_SYS_BARGSIZE	CONFIG_SYS_CBSIZE
> +						/* Boot argument buffer size */
> +#define	CONFIG_VERSION_VARIABLE			/* U-BOOT version */
> +#define	CONFIG_AUTO_COMPLETE			/* Command auto complete */
> +#define	CONFIG_CMDLINE_EDITING			/* Command history etc */
> +#define	CONFIG_SYS_HUSH_PARSER
> +#define	CONFIG_SYS_PROMPT_HUSH_PS2	"> "
> +
> +/*
> + * Serial Driver
> + */
> +#define	CONFIG_PL011_SERIAL
> +#define	CONFIG_PL011_CLOCK		24000000
> +#define	CONFIG_PL01x_PORTS		{ (void *)MXS_UARTDBG_BASE }
> +#define	CONFIG_CONS_INDEX		0
> +#define	CONFIG_BAUDRATE			115200	/* Default baud rate */
> +#define	CONFIG_SYS_BAUDRATE_TABLE	{ 9600, 19200, 38400, 57600, 115200 }
> +
> +/*
> + * MMC Driver
> + */
> +#ifdef	CONFIG_CMD_MMC
> +#define	CONFIG_MMC
> +#define	CONFIG_GENERIC_MMC
> +#define	CONFIG_MXS_MMC
> +#endif
> +
> +/*
> + * NAND
> + */
> +#ifdef	CONFIG_CMD_NAND
> +#define	CONFIG_NAND_MXS
> +#define CONFIG_APBH_DMA
> +#define	CONFIG_SYS_MAX_NAND_DEVICE	1
> +#define	CONFIG_SYS_NAND_BASE		0x60000000
> +#define	CONFIG_SYS_NAND_5_ADDR_CYCLE
> +#define	NAND_MAX_CHIPS			8
> +
> +/* Environment is in NAND */
> +#define	CONFIG_ENV_IS_IN_NAND
> +#define	CONFIG_ENV_SIZE			(16 * 1024)
> +#define	CONFIG_ENV_SIZE_REDUND		CONFIG_ENV_SIZE
> +#define	CONFIG_ENV_SECT_SIZE		(128 * 1024)
> +#define	CONFIG_ENV_RANGE		(512 * 1024)
> +#define	CONFIG_ENV_OFFSET		0x300000
> +#define	CONFIG_ENV_OFFSET_REDUND	\
> +		(CONFIG_ENV_OFFSET + CONFIG_ENV_RANGE)
> +
> +#define	CONFIG_CMD_UBI
> +#define	CONFIG_CMD_UBIFS
> +#define	CONFIG_CMD_MTDPARTS
> +#define	CONFIG_RBTREE
> +#define	CONFIG_LZO
> +#define	CONFIG_MTD_DEVICE
> +#define	CONFIG_MTD_PARTITIONS
> +#define	MTDIDS_DEFAULT			"nand0=gpmi-nand.0"
> +#define	MTDPARTS_DEFAULT			\
> +	"mtdparts=gpmi-nand.0:"			\
> +		"3m(bootloader)ro,"		\
> +		"512k(environment),"		\
> +		"512k(redundant-environment),"	\
> +		"4m(kernel),"			\
> +		"-(filesystem)"
> +#endif
> +
> +/*
> + * Ethernet on SOC (FEC)
> + */
> +#ifdef	CONFIG_CMD_NET
> +#define	CONFIG_NET_MULTI
> +#define	CONFIG_ETHPRIME			"FEC0"
> +#define	CONFIG_FEC_MXC
> +#define	CONFIG_FEC_MXC_MULTI
> +#define	CONFIG_MII
> +#define	CONFIG_DISCOVER_PHY
> +#define	CONFIG_FEC_XCV_TYPE		RMII
> +#endif
> +
> +/*
> + * I2C
> + */
> +#ifdef	CONFIG_CMD_I2C
> +#define	CONFIG_I2C_MXS
> +#define	CONFIG_HARD_I2C
> +#define	CONFIG_SYS_I2C_SPEED		400000
> +#endif
> +
> +/*
> + * EEPROM
> + */
> +#ifdef	CONFIG_CMD_EEPROM
> +#define	CONFIG_SYS_I2C_MULTI_EEPROMS
> +#define	CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2
> +#endif
> +
> +/*
> + * RTC
> + */
> +#ifdef	CONFIG_CMD_DATE
> +/* Use the internal RTC in the MXS chip */
> +#define	CONFIG_RTC_INTERNAL
> +#ifdef	CONFIG_RTC_INTERNAL
> +#define	CONFIG_RTC_MXS
> +#else
> +#define	CONFIG_RTC_M41T62
> +#define	CONFIG_SYS_I2C_RTC_ADDR		0x68
> +#define	CONFIG_SYS_M41T11_BASE_YEAR	2000
> +#endif
> +#endif
> +
> +/*
> + * SPI
> + */
> +#ifdef	CONFIG_CMD_SPI
> +#define	CONFIG_HARD_SPI
> +#define	CONFIG_MXS_SPI
> +#define	CONFIG_SPI_HALF_DUPLEX
> +#define	CONFIG_DEFAULT_SPI_BUS		2
> +#define	CONFIG_DEFAULT_SPI_MODE		SPI_MODE_0
> +
> +/* SPI FLASH */
> +#ifdef	CONFIG_CMD_SF
> +#define	CONFIG_SPI_FLASH
> +#define	CONFIG_SPI_FLASH_STMICRO
> +#define	CONFIG_SPI_FLASH_CS		2
> +#define	CONFIG_SF_DEFAULT_MODE		SPI_MODE_0
> +#define	CONFIG_SF_DEFAULT_SPEED		24000000
> +
> +#define	CONFIG_ENV_SPI_CS		0
> +#define	CONFIG_ENV_SPI_BUS		2
> +#define	CONFIG_ENV_SPI_MAX_HZ		24000000
> +#define	CONFIG_ENV_SPI_MODE		SPI_MODE_0
> +#endif
> +#endif
> +
> +/*
> + * Boot Linux
> + */
> +#define	CONFIG_CMDLINE_TAG
> +#define	CONFIG_SETUP_MEMORY_TAGS
> +#define	CONFIG_BOOTDELAY	3
> +#define	CONFIG_BOOTFILE		"uImage"
> +#define	CONFIG_BOOTARGS		"console=ttyAM0,115200n8 "
> +#define	CONFIG_BOOTCOMMAND	"run bootcmd_net"
> +#define	CONFIG_LOADADDR		0x42000000
> +#define	CONFIG_SYS_LOAD_ADDR	CONFIG_LOADADDR
> +
> +/*
> + * Extra Environments
> + */
> +#define	CONFIG_EXTRA_ENV_SETTINGS					\
> +	"update_nand_full_filename=u-boot.nand\0"			\
> +	"update_nand_firmware_filename=u-boot.sb\0"			\
> +	"update_nand_firmware_maxsz=0x100000\0"				\
> +	"update_nand_stride=0x40\0"	/* MX28 datasheet ch. 12.12 */	\
> +	"update_nand_count=0x4\0"	/* MX28 datasheet ch. 12.12 */	\
> +	"update_nand_get_fcb_size="	/* Get size of FCB blocks */	\
> +		"nand device 0 ; "					\
> +		"nand info ; "						\
> +		"setexpr fcb_sz ${update_nand_stride} * ${update_nand_count};" \
> +		"setexpr update_nand_fcb ${fcb_sz} * ${nand_writesize}\0" \
> +	"update_nand_full="		/* Update FCB, DBBT and FW */	\
> +		"if tftp ${update_nand_full_filename} ; then "		\
> +		"run update_nand_get_fcb_size ; "			\
> +		"nand scrub -y 0x0 ${filesize} ; "			\
> +		"nand write.raw ${loadaddr} 0x0 ${update_nand_fcb} ; "	\
> +		"setexpr update_off ${loadaddr} + ${update_nand_fcb} ; " \
> +		"setexpr update_sz ${filesize} - ${update_nand_fcb} ; " \
> +		"nand write ${update_off} ${update_nand_fcb} ${update_sz} ; " \
> +		"fi\0"							\
> +	"update_nand_firmware="		/* Update only firmware */	\
> +		"if tftp ${update_nand_firmware_filename} ; then "	\
> +		"run update_nand_get_fcb_size ; "			\
> +		"setexpr fcb_sz ${update_nand_fcb} * 2 ; " /* FCB + DBBT */ \
> +		"setexpr fw_sz ${update_nand_firmware_maxsz} * 2 ; "	\
> +		"setexpr fw_off ${fcb_sz} + ${update_nand_firmware_maxsz};" \
> +		"nand erase ${fcb_sz} ${fw_sz} ; "			\
> +		"nand write ${loadaddr} ${fcb_sz} ${filesize} ; "	\
> +		"nand write ${loadaddr} ${fw_off} ${filesize} ; "	\
> +		"fi\0"
> +
> +#endif /* __M28_H__ */

Applied to u-boot-imx, thanks.

Best regards,
Stefano Babic



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