Add basic support for mx6q udoo board. For further information about Udoo board: http://www.udoo.org/ Tested booting a mainline device tree kernel and a Yocto rootfs from mmc. Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>master
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#
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# (C) Copyright 2013 Freescale Semiconductor, Inc.
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#
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# SPDX-License-Identifier: GPL-2.0+
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#
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include $(TOPDIR)/config.mk |
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LIB = $(obj)lib$(BOARD).o
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COBJS := udoo.o
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SRCS := $(COBJS:.o=.c)
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OBJS := $(addprefix $(obj),$(COBJS))
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$(LIB): $(obj).depend $(OBJS) |
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$(call cmd_link_o_target, $(OBJS))
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#########################################################################
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# defines $(obj).depend target
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include $(SRCTREE)/rules.mk |
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sinclude $(obj).depend |
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#########################################################################
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/*
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* Copyright (C) 2013 Freescale Semiconductor, Inc. |
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* |
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* Author: Fabio Estevam <fabio.estevam@freescale.com> |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#include <asm/arch/clock.h> |
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#include <asm/arch/imx-regs.h> |
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#include <asm/arch/iomux.h> |
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#include <asm/arch/mx6-pins.h> |
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#include <asm/errno.h> |
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#include <asm/gpio.h> |
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#include <asm/imx-common/iomux-v3.h> |
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#include <mmc.h> |
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#include <fsl_esdhc.h> |
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#include <asm/arch/crm_regs.h> |
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#include <asm/io.h> |
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#include <asm/arch/sys_proto.h> |
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DECLARE_GLOBAL_DATA_PTR; |
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#define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | \ |
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PAD_CTL_SPEED_MED | PAD_CTL_DSE_40ohm | \
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PAD_CTL_SRE_FAST | PAD_CTL_HYS) |
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#define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | \ |
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PAD_CTL_SPEED_LOW | PAD_CTL_DSE_80ohm | \
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PAD_CTL_SRE_FAST | PAD_CTL_HYS) |
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#define WDT_EN IMX_GPIO_NR(5, 4) |
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#define WDT_TRG IMX_GPIO_NR(3, 19) |
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int dram_init(void) |
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{ |
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gd->ram_size = (phys_size_t)CONFIG_DDR_MB * 1024 * 1024; |
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return 0; |
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} |
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static iomux_v3_cfg_t const uart2_pads[] = { |
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MX6_PAD_EIM_D26__UART2_TXD | MUX_PAD_CTRL(UART_PAD_CTRL), |
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MX6_PAD_EIM_D27__UART2_RXD | MUX_PAD_CTRL(UART_PAD_CTRL), |
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}; |
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static iomux_v3_cfg_t const usdhc3_pads[] = { |
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MX6_PAD_SD3_CLK__USDHC3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
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MX6_PAD_SD3_CMD__USDHC3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
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MX6_PAD_SD3_DAT0__USDHC3_DAT0 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
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MX6_PAD_SD3_DAT1__USDHC3_DAT1 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
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MX6_PAD_SD3_DAT2__USDHC3_DAT2 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
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MX6_PAD_SD3_DAT3__USDHC3_DAT3 | MUX_PAD_CTRL(USDHC_PAD_CTRL), |
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}; |
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static iomux_v3_cfg_t const wdog_pads[] = { |
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MX6_PAD_EIM_A24__GPIO_5_4 | MUX_PAD_CTRL(NO_PAD_CTRL), |
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MX6_PAD_EIM_D19__GPIO_3_19, |
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}; |
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static void setup_iomux_uart(void) |
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{ |
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imx_iomux_v3_setup_multiple_pads(uart2_pads, ARRAY_SIZE(uart2_pads)); |
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} |
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static void setup_iomux_wdog(void) |
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{ |
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imx_iomux_v3_setup_multiple_pads(wdog_pads, ARRAY_SIZE(wdog_pads)); |
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gpio_direction_output(WDT_TRG, 0); |
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gpio_direction_output(WDT_EN, 1); |
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} |
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static struct fsl_esdhc_cfg usdhc_cfg = { USDHC3_BASE_ADDR }; |
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int board_mmc_getcd(struct mmc *mmc) |
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{ |
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return 1; /* Always present */ |
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} |
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int board_mmc_init(bd_t *bis) |
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{ |
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imx_iomux_v3_setup_multiple_pads(usdhc3_pads, ARRAY_SIZE(usdhc3_pads)); |
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usdhc_cfg.sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK); |
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usdhc_cfg.max_bus_width = 4; |
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return fsl_esdhc_initialize(bis, &usdhc_cfg); |
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} |
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int board_early_init_f(void) |
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{ |
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setup_iomux_wdog(); |
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setup_iomux_uart(); |
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return 0; |
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} |
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int board_init(void) |
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{ |
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/* address of boot parameters */ |
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gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; |
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return 0; |
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} |
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int checkboard(void) |
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{ |
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puts("Board: Udoo\n"); |
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return 0; |
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} |
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/*
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* Copyright (C) 2013 Freescale Semiconductor, Inc. |
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* |
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* Configuration settings for Udoo board. |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#ifndef __CONFIG_H |
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#define __CONFIG_H |
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#include <asm/arch/imx-regs.h> |
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#include <asm/imx-common/gpio.h> |
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#include <asm/sizes.h> |
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#define CONFIG_MX6 |
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#define CONFIG_DISPLAY_CPUINFO |
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#define CONFIG_DISPLAY_BOARDINFO |
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#define MACH_TYPE_UDOO 4800 |
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#define CONFIG_MACH_TYPE MACH_TYPE_UDOO |
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#define CONFIG_CMDLINE_TAG |
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#define CONFIG_SETUP_MEMORY_TAGS |
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#define CONFIG_INITRD_TAG |
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#define CONFIG_REVISION_TAG |
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/* Size of malloc() pool */ |
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#define CONFIG_SYS_MALLOC_LEN (2 * SZ_1M) |
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#define CONFIG_BOARD_EARLY_INIT_F |
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#define CONFIG_MXC_GPIO |
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#define CONFIG_MXC_UART |
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#define CONFIG_MXC_UART_BASE UART2_BASE |
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/* allow to overwrite serial and ethaddr */ |
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#define CONFIG_ENV_OVERWRITE |
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#define CONFIG_CONS_INDEX 1 |
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#define CONFIG_BAUDRATE 115200 |
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/* Command definition */ |
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#include <config_cmd_default.h> |
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#undef CONFIG_CMD_IMLS |
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#define CONFIG_CMD_BMODE |
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#define CONFIG_CMD_SETEXPR |
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#define CONFIG_BOOTDELAY 3 |
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#define CONFIG_SYS_MEMTEST_START 0x10000000 |
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#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 500 * SZ_1M) |
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#define CONFIG_LOADADDR 0x12000000 |
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#define CONFIG_SYS_TEXT_BASE 0x17800000 |
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/* MMC Configuration */ |
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#define CONFIG_FSL_ESDHC |
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#define CONFIG_FSL_USDHC |
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#define CONFIG_SYS_FSL_ESDHC_ADDR 0 |
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#define CONFIG_MMC |
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#define CONFIG_CMD_MMC |
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#define CONFIG_GENERIC_MMC |
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#define CONFIG_BOUNCE_BUFFER |
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#define CONFIG_CMD_EXT2 |
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#define CONFIG_CMD_FAT |
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#define CONFIG_DOS_PARTITION |
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#define CONFIG_DEFAULT_FDT_FILE "imx6q-udoo.dtb" |
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#define CONFIG_EXTRA_ENV_SETTINGS \ |
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"script=boot.scr\0" \
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"uimage=uImage\0" \
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"console=ttymxc1\0" \
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"splashpos=m,m\0" \
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"fdt_high=0xffffffff\0" \
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"initrd_high=0xffffffff\0" \
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"fdt_file=" CONFIG_DEFAULT_FDT_FILE "\0" \
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"fdt_addr=0x11000000\0" \
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"boot_fdt=try\0" \
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"ip_dyn=yes\0" \
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"mmcdev=0\0" \
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"mmcpart=1\0" \
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"mmcroot=/dev/mmcblk0p2 rootwait rw\0" \
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"update_sd_firmware_filename=u-boot.imx\0" \
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"update_sd_firmware=" \
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"if test ${ip_dyn} = yes; then " \
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"setenv get_cmd dhcp; " \
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"else " \
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"setenv get_cmd tftp; " \
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"fi; " \
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"if mmc dev ${mmcdev}; then " \
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"if ${get_cmd} ${update_sd_firmware_filename}; then " \
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"setexpr fw_sz ${filesize} / 0x200; " \
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"setexpr fw_sz ${fw_sz} + 1; " \
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"mmc write ${loadaddr} 0x2 ${fw_sz}; " \
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"fi; " \
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"fi\0" \
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"mmcargs=setenv bootargs console=${console},${baudrate} " \
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"root=${mmcroot}\0" \
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"loadbootscript=" \
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"fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${script};\0" \
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"bootscript=echo Running bootscript from mmc ...; " \
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"source\0" \
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"loaduimage=fatload mmc ${mmcdev}:${mmcpart} ${loadaddr} ${uimage}\0" \
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"loadfdt=fatload mmc ${mmcdev}:${mmcpart} ${fdt_addr} ${fdt_file}\0" \
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"mmcboot=echo Booting from mmc ...; " \
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"run mmcargs; " \
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"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
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"if run loadfdt; then " \
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"bootm ${loadaddr} - ${fdt_addr}; " \
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"else " \
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"if test ${boot_fdt} = try; then " \
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"bootm; " \
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"else " \
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"echo WARN: Cannot load the DT; " \
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"fi; " \
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"fi; " \
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"else " \
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"bootm; " \
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"fi;\0" \
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"netargs=setenv bootargs console=${console},${baudrate} " \
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"root=/dev/nfs " \
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"ip=dhcp nfsroot=${serverip}:${nfsroot},v3,tcp\0" \
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"netboot=echo Booting from net ...; " \
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"run netargs; " \
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"if test ${ip_dyn} = yes; then " \
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"setenv get_cmd dhcp; " \
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"else " \
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"setenv get_cmd tftp; " \
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"fi; " \
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"${get_cmd} ${uimage}; " \
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"if test ${boot_fdt} = yes || test ${boot_fdt} = try; then " \
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"if ${get_cmd} ${fdt_addr} ${fdt_file}; then " \
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"bootm ${loadaddr} - ${fdt_addr}; " \
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"else " \
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"if test ${boot_fdt} = try; then " \
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"bootm; " \
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"else " \
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"echo WARN: Cannot load the DT; " \
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"fi; " \
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"fi; " \
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"else " \
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"bootm; " \
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"fi;\0" |
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#define CONFIG_BOOTCOMMAND \ |
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"mmc dev ${mmcdev}; if mmc rescan; then " \
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"if run loadbootscript; then " \
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"run bootscript; " \
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"else " \
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"if run loaduimage; then " \
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"run mmcboot; " \
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"else run netboot; " \
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"fi; " \
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"fi; " \
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"else run netboot; fi" |
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/* Miscellaneous configurable options */ |
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#define CONFIG_SYS_LONGHELP |
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#define CONFIG_SYS_HUSH_PARSER |
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#define CONFIG_SYS_PROMPT "=> " |
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#define CONFIG_AUTO_COMPLETE |
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#define CONFIG_SYS_CBSIZE 256 |
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/* Print Buffer Size */ |
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#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16) |
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#define CONFIG_SYS_MAXARGS 16 |
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#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE |
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#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR |
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#define CONFIG_SYS_HZ 1000 |
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#define CONFIG_CMDLINE_EDITING |
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/* Physical Memory Map */ |
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#define CONFIG_NR_DRAM_BANKS 1 |
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#define PHYS_SDRAM MMDC0_ARB_BASE_ADDR |
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#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM |
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#define CONFIG_SYS_INIT_RAM_ADDR IRAM_BASE_ADDR |
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#define CONFIG_SYS_INIT_RAM_SIZE IRAM_SIZE |
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#define CONFIG_SYS_INIT_SP_OFFSET \ |
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(CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE) |
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#define CONFIG_SYS_INIT_SP_ADDR \ |
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(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET) |
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/* FLASH and environment organization */ |
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#define CONFIG_SYS_NO_FLASH |
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#define CONFIG_ENV_SIZE (8 * 1024) |
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#define CONFIG_ENV_IS_IN_MMC |
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#define CONFIG_ENV_OFFSET (6 * 64 * 1024) |
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#define CONFIG_SYS_MMC_ENV_DEV 0 |
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#define CONFIG_OF_LIBFDT |
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#define CONFIG_CMD_BOOTZ |
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#ifndef CONFIG_SYS_DCACHE_OFF |
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#define CONFIG_CMD_CACHE |
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#endif |
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#endif /* __CONFIG_H * */ |
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