From mboxrd@z Thu Jan 1 00:00:00 1970 From: Eugen.Hristev at microchip.com Date: Fri, 15 Jan 2021 07:55:09 +0000 Subject: [PATCH 2/2] board: atmel: Add SAMA5D27 giant board In-Reply-To: <20210111071020.614910-2-greg@embeddedgreg.com> References: <20210111071020.614910-1-greg@embeddedgreg.com> <20210111071020.614910-2-greg@embeddedgreg.com> Message-ID: List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 11.01.2021 09:10, Greg Gallagher wrote: > Giant board is a tiny SBC based on the Adafruit Feather form factor, > created by groboards it contains a SAMA5D2 processor (SAMA5D27), > 128 MB of RAM and a microSD card for storage. > > Signed-off-by: Greg Gallagher Hi Greg, > --- > > arch/arm/dts/Makefile | 3 + > arch/arm/dts/at91-sama5d27_giantboard.dts | 128 ++++++++++++ > arch/arm/mach-at91/Kconfig | 9 + > board/atmel/sama5d27_giantboard/Kconfig | 15 ++ > board/atmel/sama5d27_giantboard/MAINTAINERS | 6 + > board/atmel/sama5d27_giantboard/Makefile | 5 + > .../sama5d27_giantboard/sama5d27_giantboard.c | 182 ++++++++++++++++++ > configs/sama5d27_giantboard_defconfig | 93 +++++++++ > include/configs/sama5d27_giantboard.h | 136 +++++++++++++ > 9 files changed, 577 insertions(+) > create mode 100644 arch/arm/dts/at91-sama5d27_giantboard.dts > create mode 100644 board/atmel/sama5d27_giantboard/Kconfig > create mode 100644 board/atmel/sama5d27_giantboard/MAINTAINERS > create mode 100644 board/atmel/sama5d27_giantboard/Makefile > create mode 100644 board/atmel/sama5d27_giantboard/sama5d27_giantboard.c > create mode 100644 configs/sama5d27_giantboard_defconfig > create mode 100644 include/configs/sama5d27_giantboard.h > > diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile > index fd47e408f8..23b45290a4 100644 > --- a/arch/arm/dts/Makefile > +++ b/arch/arm/dts/Makefile > @@ -898,6 +898,9 @@ dtb-$(CONFIG_TARGET_SAMA5D2_XPLAINED) += \ > dtb-$(CONFIG_TARGET_SAMA5D27_SOM1_EK) += \ > at91-sama5d27_som1_ek.dtb > > +dtb-$(CONFIG_TARGET_SAMA5D27_GIANTBOARD) += \ > + at91-sama5d27_giantboard.dtb > + > dtb-$(CONFIG_TARGET_SAMA5D27_WLSOM1_EK) += \ > at91-sama5d27_wlsom1_ek.dtb > > diff --git a/arch/arm/dts/at91-sama5d27_giantboard.dts b/arch/arm/dts/at91-sama5d27_giantboard.dts > new file mode 100644 > index 0000000000..e81ca60ca0 > --- /dev/null > +++ b/arch/arm/dts/at91-sama5d27_giantboard.dts > @@ -0,0 +1,128 @@ > +// SPDX-License-Identifier: GPL-2.0+ > +/* > + * at91-sama5d27_giantboard.dts - Device Tree file for Giant Board > + * > + * Copyright (C) 2020 Greg Gallagher > + * > + * Derived from at91-sama5d27_som1_ek.dts > + * > + * Copyright (C) 2017 Microchip Corporation > + * Wenyou Yang > + */ > +/dts-v1/; > +#include "sama5d2.dtsi" > +#include "sama5d2-pinfunc.h" > + > +/ { > + model = "Giant Board"; > + compatible = "atmel,sama5d27-giantboard", "atmel,sama5d2", "atmel,sama5"; > + > + memory { > + reg = <0x20000000 0x8000000>; > + }; > + > + chosen { > + u-boot,dm-pre-reloc; > + stdout-path = &uart1; > + }; > + > + ahb { > + sdmmc1: sdio-host at b0000000 { > + bus-width = <4>; > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_sdmmc1_cmd_dat_default &pinctrl_sdmmc1_ck_cd_default>; > + status = "okay"; > + u-boot,dm-pre-reloc; > + }; > + > + apb { > + Please remove empty line here > + uart1: serial at f8020000 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_uart1_default>; > + status = "okay"; > + u-boot,dm-pre-reloc; > + }; > + > + i2c0: i2c at f8028000 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_i2c0_default>; > + status = "okay"; > + }; > + > + i2c1: i2c at fc028000 { > + pinctrl-names = "default"; > + pinctrl-0 = <&pinctrl_i2c1_default>; > + status = "okay"; > + > + pmic at 5b { > + compatible = "active-semi,act8945a"; > + reg = <0x5b>; > + active-semi,vsel-low; > + status = "okay"; > + }; > + }; > + > + pit: timer at f8048030 { > + status = "okay"; > + u-boot,dm-pre-reloc; > + }; > + > + sfr: sfr at f8030000 { > + status = "okay"; > + u-boot,dm-pre-reloc; > + }; > + > + pioA: gpio at fc038000 { > + pinctrl { > + Please remove empty line here > + pinctrl_sdmmc1_cmd_dat_default: sdmmc1_cmd_dat_default { > + pinmux = , > + , > + , > + , > + ; > + bias-pull-up; > + u-boot,dm-pre-reloc; > + }; > + > + pinctrl_sdmmc1_ck_cd_default: sdmmc1_ck_cd_default { > + pinmux = , > + ; > + bias-disable; > + u-boot,dm-pre-reloc; > + }; > + > + pinctrl_uart1_default: uart1_default { > + pinmux = , > + ; > + bias-disable; > + u-boot,dm-pre-reloc; > + }; > + > + pinctrl_i2c0_default: i2c0_default { > + pinmux = , > + ; > + bias-disable; > + }; > + > + pinctrl_i2c1_default: i2c1_default { > + pinmux = , > + ; > + bias-disable; > + }; > + > + pinctrl_usb_default: usb_default { > + pinmux = ; > + bias-disable; > + }; > + > + pinctrl_usba_vbus: usba_vbus { > + pinmux = ; > + bias-disable; > + }; > + }; > + }; > + }; > + }; > +}; > diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig > index be1415f909..1837396945 100644 > --- a/arch/arm/mach-at91/Kconfig > +++ b/arch/arm/mach-at91/Kconfig > @@ -183,6 +183,14 @@ config TARGET_SAMA5D2_XPLAINED > select SAMA5D2 > select SUPPORT_SPL > > +config TARGET_SAMA5D27_GIANTBOARD > + bool "SAMA5D27 Giant board" > + select BOARD_EARLY_INIT_F > + select BOARD_LATE_INIT > + select CPU_V7A > + select SUPPORT_SPL > + select ATMEL_SFR > + > config TARGET_SAMA5D27_SOM1_EK > bool "SAMA5D27 SOM1 EK board" > select BOARD_EARLY_INIT_F > @@ -330,6 +338,7 @@ source "board/atmel/sam9x60ek/Kconfig" > source "board/atmel/sama5d2_ptc_ek/Kconfig" > source "board/atmel/sama5d2_xplained/Kconfig" > source "board/atmel/sama5d27_som1_ek/Kconfig" > +source "board/atmel/sama5d27_giantboard/Kconfig" > source "board/atmel/sama5d27_wlsom1_ek/Kconfig" > source "board/atmel/sama5d2_icp/Kconfig" > source "board/atmel/sama5d3_xplained/Kconfig" > diff --git a/board/atmel/sama5d27_giantboard/Kconfig b/board/atmel/sama5d27_giantboard/Kconfig > new file mode 100644 > index 0000000000..6cefb8f689 > --- /dev/null > +++ b/board/atmel/sama5d27_giantboard/Kconfig > @@ -0,0 +1,15 @@ > +if TARGET_SAMA5D27_GIANTBOARD > + > +config SYS_BOARD > + default "sama5d27_giantboard" > + > +config SYS_VENDOR > + default "atmel" > + > +config SYS_SOC > + default "at91" > + > +config SYS_CONFIG_NAME > + default "sama5d27_giantboard" > + > +endif > diff --git a/board/atmel/sama5d27_giantboard/MAINTAINERS b/board/atmel/sama5d27_giantboard/MAINTAINERS > new file mode 100644 > index 0000000000..80bfae01fa > --- /dev/null > +++ b/board/atmel/sama5d27_giantboard/MAINTAINERS > @@ -0,0 +1,6 @@ > +SAMA5D27 GIANT BOARD > +M: Greg Gallagher > +S: Maintained > +F: board/atmel/sama5d27_giantboard/ > +F: include/configs/sama5d27_giantboard.h > +F: configs/sama5d27_giantboard_mmc_defconfig This file does not match the files you are adding in the commit (configs/sama5d27_giantboard_defconfig ) > diff --git a/board/atmel/sama5d27_giantboard/Makefile b/board/atmel/sama5d27_giantboard/Makefile > new file mode 100644 > index 0000000000..d4b2a4d36f > --- /dev/null > +++ b/board/atmel/sama5d27_giantboard/Makefile > @@ -0,0 +1,5 @@ > +# SPDX-License-Identifier: GPL-2.0+ > +# > +# Copyright (C) 2020 Greg Gallagher > + > +obj-y += sama5d27_giantboard.o > diff --git a/board/atmel/sama5d27_giantboard/sama5d27_giantboard.c b/board/atmel/sama5d27_giantboard/sama5d27_giantboard.c > new file mode 100644 > index 0000000000..d75a9650ad > --- /dev/null > +++ b/board/atmel/sama5d27_giantboard/sama5d27_giantboard.c > @@ -0,0 +1,182 @@ > +// SPDX-License-Identifier: GPL-2.0+ > +/* > + * Copyright (C) 2021 Greg Gallagher > + * > + * Derived from sama5d27_som1_ek.c > + * > + * Copyright (C) 2017 Microchip Corporation > + * Wenyou Yang > + * > + */ > + > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > +#include > + > +extern void at91_pda_detect(void); > + > +DECLARE_GLOBAL_DATA_PTR; > + > +#ifdef CONFIG_CMD_USB > +static void board_usb_hw_init(void) > +{ > + atmel_pio4_set_pio_output(AT91_PIO_PORTA, 27, 1); > +} > +#endif > + > +#ifdef CONFIG_BOARD_LATE_INIT > +int board_late_init(void) > +{ > + at91_pda_detect(); > + return 0; > +} > +#endif > + > +#ifdef CONFIG_DEBUG_UART_BOARD_INIT > +static void board_uart1_hw_init(void) > +{ > + atmel_pio4_set_a_periph(AT91_PIO_PORTD, 2, ATMEL_PIO_PUEN_MASK); /* URXD1 */ > + atmel_pio4_set_a_periph(AT91_PIO_PORTD, 3, 0); /* UTXD1 */ > + > + at91_periph_clk_enable(ATMEL_ID_UART1); > +} > + > +void board_debug_uart_init(void) > +{ > + board_uart1_hw_init(); > +} > +#endif > + > +#ifdef CONFIG_BOARD_EARLY_INIT_F > +int board_early_init_f(void) > +{ > + if (IS_ENABLED(CONFIG_DEBUG_UART)) > + debug_uart_init(); > + > + return 0; > +} > +#endif > + > +int board_init(void) > +{ > + /* address of boot parameters */ > + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; > + > + if (IS_ENABLED(CONFIG_CMD_USB)) > + board_usb_hw_init(); > + > + return 0; > +} > + > +int dram_init(void) > +{ > + gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, > + CONFIG_SYS_SDRAM_SIZE); > + return 0; > +} > + > +/* SPL */ > +#ifdef CONFIG_SPL_BUILD > +void spl_board_init(void) > +{ > +} > + > +static void ddrc_conf(struct atmel_mpddrc_config *ddrc) > +{ > + ddrc->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM); > + > + ddrc->cr = (ATMEL_MPDDRC_CR_NC_COL_10 | > + ATMEL_MPDDRC_CR_NR_ROW_13 | > + ATMEL_MPDDRC_CR_CAS_DDR_CAS3 | > + ATMEL_MPDDRC_CR_DIC_DS | > + ATMEL_MPDDRC_CR_ZQ_LONG | > + ATMEL_MPDDRC_CR_NB_8BANKS | > + ATMEL_MPDDRC_CR_DECOD_INTERLEAVED | > + ATMEL_MPDDRC_CR_UNAL_SUPPORTED); > + > + ddrc->rtr = 0x511; > + > + ddrc->tpr0 = ((7 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET) | > + (3 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET) | > + (3 << ATMEL_MPDDRC_TPR0_TWR_OFFSET) | > + (9 << ATMEL_MPDDRC_TPR0_TRC_OFFSET) | > + (3 << ATMEL_MPDDRC_TPR0_TRP_OFFSET) | > + (4 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET) | > + (4 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET) | > + (2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET)); > + > + ddrc->tpr1 = ((22 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET) | > + (23 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET) | > + (200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET) | > + (3 << ATMEL_MPDDRC_TPR1_TXP_OFFSET)); > + > + ddrc->tpr2 = ((2 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET) | > + (8 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET) | > + (4 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET) | > + (4 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET) | > + (8 << ATMEL_MPDDRC_TPR2_TFAW_OFFSET)); > +} > + > +void mem_init(void) > +{ > + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; > + struct atmel_mpddr *mpddrc = (struct atmel_mpddr *)ATMEL_BASE_MPDDRC; > + struct atmel_mpddrc_config ddrc_config; > + u32 reg; > + > + ddrc_conf(&ddrc_config); > + > + at91_periph_clk_enable(ATMEL_ID_MPDDRC); > + writel(AT91_PMC_DDR, &pmc->scer); > + > + reg = readl(&mpddrc->io_calibr); > + reg &= ~ATMEL_MPDDRC_IO_CALIBR_RDIV; > + reg |= ATMEL_MPDDRC_IO_CALIBR_DDR3_RZQ_55; > + reg &= ~ATMEL_MPDDRC_IO_CALIBR_TZQIO; > + reg |= ATMEL_MPDDRC_IO_CALIBR_TZQIO_(101); > + writel(reg, &mpddrc->io_calibr); > + > + writel(ATMEL_MPDDRC_RD_DATA_PATH_SHIFT_ONE_CYCLE, > + &mpddrc->rd_data_path); > + > + ddr3_init(ATMEL_BASE_MPDDRC, ATMEL_BASE_DDRCS, &ddrc_config); > + > + writel(0x3, &mpddrc->cal_mr4); > + writel(64, &mpddrc->tim_cal); > +} > + > +void at91_pmc_init(void) > +{ > + u32 tmp; > + > + /* > + * while coming from the ROM code, we run on PLLA @ 492 MHz / 164 MHz > + * so we need to slow down and configure MCKR accordingly. > + * This is why we have a special flavor of the switching function. > + */ > + tmp = AT91_PMC_MCKR_PLLADIV_2 | > + AT91_PMC_MCKR_MDIV_3 | > + AT91_PMC_MCKR_CSS_MAIN; > + at91_mck_init_down(tmp); > + > + tmp = AT91_PMC_PLLAR_29 | > + AT91_PMC_PLLXR_PLLCOUNT(0x3f) | > + AT91_PMC_PLLXR_MUL(40) | > + AT91_PMC_PLLXR_DIV(1); > + at91_plla_init(tmp); > + > + tmp = AT91_PMC_MCKR_H32MXDIV | > + AT91_PMC_MCKR_PLLADIV_2 | > + AT91_PMC_MCKR_MDIV_3 | > + AT91_PMC_MCKR_CSS_PLLA; > + at91_mck_init(tmp); > +} > +#endif > diff --git a/configs/sama5d27_giantboard_defconfig b/configs/sama5d27_giantboard_defconfig > new file mode 100644 > index 0000000000..4612a75b53 > --- /dev/null > +++ b/configs/sama5d27_giantboard_defconfig > @@ -0,0 +1,93 @@ > +CONFIG_ARM=y > +CONFIG_ARCH_CPU_INIT=y > +CONFIG_ARCH_AT91=y > +CONFIG_CMDLINE=y > +CONFIG_SYS_TEXT_BASE=0x23f00000 > +CONFIG_TARGET_SAMA5D27_GIANTBOARD=y > +CONFIG_SPL_GPIO_SUPPORT=y > +CONFIG_SPL_LIBCOMMON_SUPPORT=y > +CONFIG_SPL_LIBGENERIC_SUPPORT=y > +CONFIG_SYS_MALLOC_F_LEN=0x2000 > +CONFIG_SPL_MMC_SUPPORT=y > +CONFIG_SPL_SERIAL_SUPPORT=y > +CONFIG_SPL_DRIVERS_MISC_SUPPORT=y > +CONFIG_ENV_SIZE=0x4000 > +CONFIG_NR_DRAM_BANKS=1 > +CONFIG_SPL=y > +CONFIG_DEBUG_UART_BOARD_INIT=y > +CONFIG_DEBUG_UART_BASE=0xf8020000 > +CONFIG_DEBUG_UART_CLOCK=82000000 > +CONFIG_SPL_FAT_SUPPORT=y > +CONFIG_SPL_FS_FAT=y > +CONFIG_SPL_LIBDISK_SUPPORT=y > +CONFIG_DEBUG_UART=y > +CONFIG_ENV_VARS_UBOOT_CONFIG=y > +CONFIG_FIT=y > +CONFIG_SYS_EXTRA_OPTIONS="SAMA5D2" > +CONFIG_SD_BOOT=y > +CONFIG_BOOTDELAY=3 > +CONFIG_USE_BOOTARGS=y > +# CONFIG_MISC_INIT_R is not set > +# CONFIG_DISPLAY_BOARDINFO is not set > +CONFIG_SPL_TEXT_BASE=0x200000 > +CONFIG_SPL_SEPARATE_BSS=y > +CONFIG_HUSH_PARSER=y > +CONFIG_AUTOBOOT_KEYED=y > +CONFIG_AUTOBOOT_PROMPT="Hit SPACE in %d seconds to stop autoboot.\n" > +CONFIG_AUTOBOOT_STOP_STR=" " > +CONFIG_AUTOBOOT_KEYED_CTRLC=y > +CONFIG_CMD_BOOTZ=y > +# CONFIG_CMD_FLASH is not set > +CONFIG_CMD_I2C=y > +# CONFIG_CMD_LOADS is not set > +CONFIG_CMD_MMC=y > +CONFIG_CMD_PART=y > +CONFIG_CMD_SF=y > +CONFIG_CMD_USB=y > +CONFIG_CMD_EXT4=y > +CONFIG_CMD_FAT=y > +CONFIG_CMD_FS_GENERIC=y > +CONFIG_OF_CONTROL=y > +CONFIG_SPL_OF_CONTROL=y > +CONFIG_OF_LIBFDT=y > +CONFIG_OF_LIBFDT_OVERLAY=y > +CONFIG_DEFAULT_DEVICE_TREE="at91-sama5d27_giantboard" > +CONFIG_OF_SPL_REMOVE_PROPS="interrupts interrupt-parent dmas dma-names" > +CONFIG_ENV_IS_IN_FAT=y > +CONFIG_DM=y > +CONFIG_SPL_DM=y > +CONFIG_SPL_DM_SEQ_ALIAS=y > +CONFIG_CLK=y > +CONFIG_SPL_CLK=y > +CONFIG_CLK_AT91=y > +CONFIG_AT91_UTMI=y > +CONFIG_AT91_H32MX=y > +CONFIG_AT91_GENERIC_CLK=y > +CONFIG_DM_GPIO=y > +CONFIG_ATMEL_PIO4=y > +CONFIG_DM_I2C=y > +CONFIG_SYS_I2C_AT91=y > +CONFIG_DM_MMC=y > +CONFIG_MMC_SDHCI=y > +CONFIG_MMC_SDHCI_ATMEL=y > +CONFIG_DM_SPI_FLASH=y > +CONFIG_SPI_FLASH=y > +# CONFIG_NET is not set > +CONFIG_PINCTRL=y > +CONFIG_SPL_PINCTRL=y > +CONFIG_PINCTRL_AT91PIO4=y > +CONFIG_DM_SERIAL=y > +CONFIG_DEBUG_UART_ATMEL=y > +CONFIG_DEBUG_UART_ANNOUNCE=y > +CONFIG_ATMEL_USART=y > +CONFIG_SPI=y > +CONFIG_DM_SPI=y > +CONFIG_TIMER=y > +CONFIG_SPL_TIMER=y > +CONFIG_ATMEL_PIT_TIMER=y > +CONFIG_USB=y > +CONFIG_DM_USB=y > +CONFIG_USB_EHCI_HCD=y > +CONFIG_USB_STORAGE=y > +CONFIG_USB_GADGET=y > +CONFIG_USB_GADGET_ATMEL_USBA=y > diff --git a/include/configs/sama5d27_giantboard.h b/include/configs/sama5d27_giantboard.h > new file mode 100644 > index 0000000000..2311061e1f > --- /dev/null > +++ b/include/configs/sama5d27_giantboard.h > @@ -0,0 +1,136 @@ > +/* SPDX-License-Identifier: GPL-2.0+ */ > +/* > + * Configuration file for the SAMA5D27 Giant Board. > + * > + * Copyright (C) 2020 Greg Gallagher > + * > + * Derived from sama5d27_som1_ek.h > + * > + * Copyright (C) 2017 Microchip Corporation > + * Wenyou Yang > + */ > + > +#ifndef __CONFIG_H > +#define __CONFIG_H > + > +#include "at91-sama5_common.h" > + > +#undef CONFIG_SYS_AT91_MAIN_CLOCK > +#define CONFIG_SYS_AT91_MAIN_CLOCK 24000000 /* from 24 MHz crystal */ > + > +/* SDRAM */ > +#define CONFIG_SYS_SDRAM_BASE 0x20000000 > +#define CONFIG_SYS_SDRAM_SIZE 0x8000000 > + > +#ifdef CONFIG_SPL_BUILD > +#define CONFIG_SYS_INIT_SP_ADDR 0x218000 > +#else > +#define CONFIG_SYS_INIT_SP_ADDR \ > + (CONFIG_SYS_SDRAM_BASE + 16 * 1024 - GENERATED_GBL_DATA_SIZE) > +#endif > + > +#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */ > + > +/* NAND flash */ > + > +/* SPI flash */ > + > +#undef CONFIG_BOOTCOMMAND > +#ifdef CONFIG_SD_BOOT > +/* bootstrap + u-boot + env in sd card */ > +#define CONFIG_SUPPORT_RAW_INITRD > +#define CONFIG_EXTRA_ENV_SETTINGS \ > + "fdtovaddr=0x21800000\0" \ > + "loadaddr=0x22000000\0" \ > + "fdtaddr=0x21000000\0" \ > + "fdtfile=/dtbs/at91-sama5d27_giantboard.dtb\0" \ > + "enable_uboot_overlays=\0" \ > + "dtboverlay=\0" \ > + "dtboverlay1=\0" \ > + "dtboverlay2=\0" \ > + "dtboverlay3=\0" \ > + "dtboverlay4=\0" \ > + "console=ttyS0,115200\0" \ > + "optargs=\0" \ > + "mmcdev=0\0" \ > + "mmcpart=1\0" \ > + "mmcroot=/dev/mmcblk0p2 rw\0" \ > + "mmcrootfstype=ext4 rootwait\0" \ > + "mmcargs=setenv bootargs console=${console} " \ > + "${optargs} " \ > + "root=${mmcroot} " \ > + "rootfstype=${mmcrootfstype} " \ > + "loadbootenv=load mmc ${mmcdev}:${mmcpart} ${loadaddr} uEnv.txt\0" \ > + "importbootenv=echo Importing environment from mmc (uEnv.txt)...; " \ > + "env import -t ${loadaddr} ${filesize}\0" \ > + "loadzimage=load mmc ${mmcdev}:${mmcpart} ${loadaddr} zImage\0" \ > + "loadfdt=load mmc ${mmcdev}:${mmcpart} ${fdtaddr} ${fdtfile}\0" \ > + "loadoverlay=load mmc ${mmcdev}:${mmcpart} ${fdtovaddr} ${dtboverlay}\0" \ > + "loadoverlay1=load mmc ${mmcdev}:${mmcpart} ${fdtovaddr} ${dtboverlay1}\0" \ > + "loadoverlay2=load mmc ${mmcdev}:${mmcpart} ${fdtovaddr} ${dtboverlay2}\0" \ > + "loadoverlay3=load mmc ${mmcdev}:${mmcpart} ${fdtovaddr} ${dtboverlay3}\0" \ > + "loadoverlay4=load mmc ${mmcdev}:${mmcpart} ${fdtovaddr} ${dtboverlay4}\0" \ > + "mmcboot=echo Booting from mmc ...; " \ > + "run mmcargs; " \ > + "bootz ${loadaddr} - ${fdtaddr}\0" > + > +#define CONFIG_BOOTCOMMAND \ > + "mmc dev ${mmcdev};" \ > + "if mmc rescan; then " \ > + "echo SD/MMC found on device ${mmcdev};" \ > + "if run loadbootenv; then " \ > + "run importbootenv;" \ > + "fi;" \ > + "echo Running default loadzimage ...;" \ > + "if run loadzimage; then " \ > + "run loadfdt;" \ > + "echo Checking for overlays ...;" \ > + "if test -n $enable_uboot_overlays; then " \ > + "fdt addr ${fdtaddr};" \ > + "fdt resize 4096;" \ > + "if test -n $dtboverlay; then " \ > + "run loadoverlay;" \ > + "fdt apply ${fdtovaddr};" \ > + "echo loaded ${dtboverlay};" \ > + "fi;" \ > + "if test -n $dtboverlay1; then " \ > + "run loadoverlay1;" \ > + "fdt apply ${fdtovaddr};" \ > + "echo loaded ${dtboverlay1};" \ > + "fi;" \ > + "if test -n $dtboverlay2; then " \ > + "run loadoverlay2;" \ > + "fdt apply ${fdtovaddr};" \ > + "echo loaded ${dtboverlay2};" \ > + "fi;" \ > + "if test -n $dtboverlay3; then " \ > + "run loadoverlay3;" \ > + "fdt apply ${fdtovaddr};" \ > + "echo loaded ${dtboverlay3};" \ > + "fi;" \ > + "if test -n $dtboverlay4; then " \ > + "run loadoverlay4;" \ > + "fdt apply ${fdtovaddr};" \ > + "echo loaded ${dtboverlay4};" \ > + "fi;" \ > + "fi;" \ > + "run mmcboot;" \ > + "fi;" \ > + "fi;" > +#endif > + > +/* SPL */ > +#define CONFIG_SPL_MAX_SIZE 0x10000 > +#define CONFIG_SPL_BSS_START_ADDR 0x20000000 > +#define CONFIG_SPL_BSS_MAX_SIZE 0x80000 > +#define CONFIG_SYS_SPL_MALLOC_START 0x20080000 > +#define CONFIG_SYS_SPL_MALLOC_SIZE 0x80000 > + > +#define CONFIG_SYS_MONITOR_LEN (512 << 10) > + > +#ifdef CONFIG_SD_BOOT > +#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION 1 > +#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME "u-boot.img" > +#endif > + > +#endif > -- > 2.25.1 > Have you tried reusing the som1_ek file ? I do not see much difference between your sama5d2_giantboard.c file and the som1_ek file. You removed the eeprom ethernet mac retreival and the call to dm_video but otherwise everything looks the same. Eugen