[U-Boot] [PATCH] board: atmel: add SAMA5D2 ICP board
Stefan Roese
sr at denx.de
Mon Apr 8 12:59:03 UTC 2019
On 08.04.19 14:50, Eugen.Hristev at microchip.com wrote:
> From: Eugen Hristev <eugen.hristev at microchip.com>
>
> The SAMA5D2 ICP Board features the SAMA5D27 SoC,
> together with QSPI Flash, Wilc3000 wireless device and
> EtherCat support.
>
> Signed-off-by: Eugen Hristev <eugen.hristev at microchip.com>
> ---
> arch/arm/dts/Makefile | 3 +
> arch/arm/dts/at91-sama5d2_icp.dts | 100 +++++++++++++++++
> arch/arm/mach-at91/Kconfig | 12 +++
> board/atmel/sama5d2_icp/Kconfig | 15 +++
> board/atmel/sama5d2_icp/MAINTAINERS | 7 ++
> board/atmel/sama5d2_icp/Makefile | 7 ++
> board/atmel/sama5d2_icp/sama5d2_icp.c | 197 ++++++++++++++++++++++++++++++++++
> configs/sama5d2_icp_mmc_defconfig | 72 +++++++++++++
> include/configs/sama5d2_icp.h | 70 ++++++++++++
> 9 files changed, 483 insertions(+)
> create mode 100644 arch/arm/dts/at91-sama5d2_icp.dts
> create mode 100644 board/atmel/sama5d2_icp/Kconfig
> create mode 100644 board/atmel/sama5d2_icp/MAINTAINERS
> create mode 100644 board/atmel/sama5d2_icp/Makefile
> create mode 100644 board/atmel/sama5d2_icp/sama5d2_icp.c
> create mode 100644 configs/sama5d2_icp_mmc_defconfig
> create mode 100644 include/configs/sama5d2_icp.h
>
> diff --git a/arch/arm/dts/Makefile b/arch/arm/dts/Makefile
> index 930b7e0..a3bfb11 100644
> --- a/arch/arm/dts/Makefile
> +++ b/arch/arm/dts/Makefile
> @@ -643,6 +643,9 @@ dtb-$(CONFIG_TARGET_SAMA5D2_XPLAINED) += \
> dtb-$(CONFIG_TARGET_SAMA5D27_SOM1_EK) += \
> at91-sama5d27_som1_ek.dtb
>
> +dtb-$(CONFIG_TARGET_SAMA5D2_ICP) += \
> + at91-sama5d2_icp.dtb
> +
> dtb-$(CONFIG_TARGET_SAMA5D3XEK) += \
> sama5d31ek.dtb \
> sama5d33ek.dtb \
> diff --git a/arch/arm/dts/at91-sama5d2_icp.dts b/arch/arm/dts/at91-sama5d2_icp.dts
> new file mode 100644
> index 0000000..8830b05
> --- /dev/null
> +++ b/arch/arm/dts/at91-sama5d2_icp.dts
> @@ -0,0 +1,100 @@
> +// SPDX-License-Identifier: GPL-2.0+ OR X11
> +/*
> + * at91-sama5d2_icp.dts - Device Tree file for SAMA5D2 ICP board
> + * SAMA5D2 Industrial Connectivity Board
> + *
> + * Copyright (c) 2018, Microchip Technology Inc.
> + * 2018, Eugen Hristev <eugen.hristev at microchip.com>
> + */
> +/dts-v1/;
> +#include "sama5d2.dtsi"
> +#include "sama5d2-pinfunc.h"
> +
> +/ {
> + model = "Microchip SAMA5D2 ICP";
> + compatible = "atmel,sama5d2-icp", "atmel,sama5d27", "atmel,sama5d2", "atmel,sama5";
> +
> + aliases {
> + serial0 = &uart0;
> + i2c1 = &i2c1;
> + };
> +
> + chosen {
> + u-boot,dm-pre-reloc;
Please move all U-Boot specific DT properties into a separate
foo-u-boot.dtsi file. That makes it easier to sync the dts files
with the Linux versions.
> + stdout-path = "serial0:115200n8";
> + };
> +
> + ahb {
> +
> + sdmmc0: sdio-host at a0000000 {
> + bus-width = <4>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_sdmmc0_default>;
> + status = "okay";
> + u-boot,dm-pre-reloc;
Here as well.
> + };
> +
> + apb {
> + uart0: serial at f801c000 { /* mikrobus1 uart */
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_mikrobus1_uart>;
> + u-boot,dm-pre-reloc;
etc.
> + status = "okay";
> + };
> +
> + i2c1: i2c at fc028000 {
> + dmas = <0>, <0>;
> + pinctrl-names = "default";
> + pinctrl-0 = <&pinctrl_i2c1_default>;
> + status = "okay";
> +
> + eeprom at 50 {
> + compatible = "atmel,24c32";
> + reg = <0x50>;
> + pagesize = <16>;
> + };
> +
> + eeprom at 52 {
> + compatible = "atmel,24c32";
> + reg = <0x52>;
> + pagesize = <16>;
> + };
> +
> + eeprom at 53 {
> + compatible = "atmel,24c32";
> + reg = <0x53>;
> + pagesize = <16>;
> + };
> + };
> + pioA: gpio at fc038000 {
> + status = "okay";
> + pinctrl {
> + pinctrl_i2c1_default: i2c1_default {
> + pinmux = <PIN_PD19__TWD1>,
> + <PIN_PD20__TWCK1>;
> + bias-disable;
> + };
> +
> + pinctrl_sdmmc0_default: sdmmc0_default {
> + pinmux = <PIN_PA1__SDMMC0_CMD>,
> + <PIN_PA2__SDMMC0_DAT0>,
> + <PIN_PA3__SDMMC0_DAT1>,
> + <PIN_PA4__SDMMC0_DAT2>,
> + <PIN_PA5__SDMMC0_DAT3>,
> + <PIN_PA0__SDMMC0_CK>,
> + <PIN_PA13__SDMMC0_CD>;
> + bias-disable;
> + u-boot,dm-pre-reloc;
> + };
> +
> + pinctrl_mikrobus1_uart: mikrobus1_uart {
> + pinmux = <PIN_PB26__URXD0>,
> + <PIN_PB27__UTXD0>;
> + bias-disable;
> + u-boot,dm-pre-reloc;
> + };
> + };
> + };
> + };
> + };
> +};
> diff --git a/arch/arm/mach-at91/Kconfig b/arch/arm/mach-at91/Kconfig
> index a089e94..c3b21b7 100644
> --- a/arch/arm/mach-at91/Kconfig
> +++ b/arch/arm/mach-at91/Kconfig
> @@ -180,6 +180,17 @@ config TARGET_SAMA5D27_SOM1_EK
> processor-based SAMA5D2 MPU with up to 1 Gbit DDR2-SDRAM
> in a single package.
>
> +config TARGET_SAMA5D2_ICP
> + bool "SAMA5D2 Industrial Connectivity Platform (ICP)"
> + select CPU_V7A
> + select SUPPORT_SPL
> + select BOARD_EARLY_INIT_F
> + select BOARD_LATE_INIT
> + help
> + The SAMA5D2 ICP embeds SAMA5D27 rev. C SoC, together with
> + a 64Mbit QSPI flash, 3xMikrobus connectors, 4xUSB ,
> + EtherCat and WILC3000 devices on board.
> +
> config TARGET_SAMA5D3_XPLAINED
> bool "SAMA5D3 Xplained board"
> select BOARD_EARLY_INIT_F
> @@ -281,6 +292,7 @@ source "board/atmel/at91sam9x5ek/Kconfig"
> source "board/atmel/sama5d2_ptc_ek/Kconfig"
> source "board/atmel/sama5d2_xplained/Kconfig"
> source "board/atmel/sama5d27_som1_ek/Kconfig"
> +source "board/atmel/sama5d2_icp/Kconfig"
> source "board/atmel/sama5d3_xplained/Kconfig"
> source "board/atmel/sama5d3xek/Kconfig"
> source "board/atmel/sama5d4_xplained/Kconfig"
> diff --git a/board/atmel/sama5d2_icp/Kconfig b/board/atmel/sama5d2_icp/Kconfig
> new file mode 100644
> index 0000000..3859845
> --- /dev/null
> +++ b/board/atmel/sama5d2_icp/Kconfig
> @@ -0,0 +1,15 @@
> +if TARGET_SAMA5D2_ICP
> +
> +config SYS_BOARD
> + default "sama5d2_icp"
> +
> +config SYS_VENDOR
> + default "atmel"
> +
> +config SYS_SOC
> + default "at91"
> +
> +config SYS_CONFIG_NAME
> + default "sama5d2_icp"
> +
> +endif
> diff --git a/board/atmel/sama5d2_icp/MAINTAINERS b/board/atmel/sama5d2_icp/MAINTAINERS
> new file mode 100644
> index 0000000..db984b6
> --- /dev/null
> +++ b/board/atmel/sama5d2_icp/MAINTAINERS
> @@ -0,0 +1,7 @@
> +SAMA5D2 ICP BOARD
> +M: Eugen Hristev <eugen.hristev at microchip.com>
> +S: Maintained
> +F: board/atmel/sama5d2_icp/
> +F: include/configs/sama5d2_icp.h
> +F: configs/sama5d2_icp_mmc_defconfig
> +
> diff --git a/board/atmel/sama5d2_icp/Makefile b/board/atmel/sama5d2_icp/Makefile
> new file mode 100644
> index 0000000..fd7e870
> --- /dev/null
> +++ b/board/atmel/sama5d2_icp/Makefile
> @@ -0,0 +1,7 @@
> +# SPDX-License-Identifier: GPL-2.0+
> +#
> +# Copyright (C) 2018 Microchip Technology Inc.
> +# Eugen Hristev <eugen.hristev at microchip.com>
> +#
> +
> +obj-y += sama5d2_icp.o
> diff --git a/board/atmel/sama5d2_icp/sama5d2_icp.c b/board/atmel/sama5d2_icp/sama5d2_icp.c
> new file mode 100644
> index 0000000..667d14c
> --- /dev/null
> +++ b/board/atmel/sama5d2_icp/sama5d2_icp.c
> @@ -0,0 +1,197 @@
> +// SPDX-License-Identifier: GPL-2.0+
> +/*
> + * Copyright (C) 2018 Microchip Technology, Inc.
> + * Eugen Hristev <eugen.hristev at microchip.com>
> + */
> +
> +#include <common.h>
> +#include <debug_uart.h>
> +#include <asm/io.h>
> +#include <asm/arch/at91_common.h>
> +#include <asm/arch/atmel_pio4.h>
> +#include <asm/arch/atmel_mpddrc.h>
> +#include <asm/arch/atmel_sdhci.h>
> +#include <asm/arch/clk.h>
> +#include <asm/arch/gpio.h>
> +#include <asm/arch/sama5d2.h>
> +
> +DECLARE_GLOBAL_DATA_PTR;
> +
> +#ifdef CONFIG_BOARD_LATE_INIT
> +int board_late_init(void)
> +{
> + return 0;
> +}
> +#endif
You have selected BOARD_LATE_INIT for this board. So no need for
these ifdef's here.
> +
> +#ifdef CONFIG_DEBUG_UART_BOARD_INIT
> +static void board_uart0_hw_init(void)
> +{
> + atmel_pio4_set_c_periph(AT91_PIO_PORTB, 26, ATMEL_PIO_PUEN_MASK); /* URXD0 */
> + atmel_pio4_set_c_periph(AT91_PIO_PORTB, 27, 0); /* UTXD0 */
> +
> + at91_periph_clk_enable(ATMEL_ID_UART0);
> +}
> +
> +void board_debug_uart_init(void)
> +{
> + board_uart0_hw_init();
> +}
> +#endif
> +
> +#ifdef CONFIG_BOARD_EARLY_INIT_F
> +int board_early_init_f(void)
> +{
> +#ifdef CONFIG_DEBUG_UART
> + debug_uart_init();
> +#endif
> + return 0;
> +}
> +#endif
Same for BOARD_EARLY_INIT_F.
BTW: Do you really need to enable DEBUG_UART for all the at91
platforms in the defconfig?
> +
> +int board_init(void)
> +{
> + /* address of boot parameters */
> + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100;
> +
> + return 0;
> +}
> +
> +int dram_init(void)
> +{
> + gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE,
> + CONFIG_SYS_SDRAM_SIZE);
> + return 0;
> +}
> +
> +#define MAC24AA_MAC_OFFSET 0xfa
> +
> +#ifdef CONFIG_MISC_INIT_R
> +int misc_init_r(void)
> +{
> +#ifdef CONFIG_I2C_EEPROM
> + at91_set_ethaddr(MAC24AA_MAC_OFFSET);
> +#endif
> + return 0;
> +}
> +#endif
I would also remove these #ifdef's above to make the code less
ugly.
> +
> +/* SPL */
> +#ifdef CONFIG_SPL_BUILD
> +
> +#ifdef CONFIG_SD_BOOT
> +void spl_mmc_init(void)
> +{
> + atmel_pio4_set_a_periph(AT91_PIO_PORTA, 1, 0); /* CMD */
> + atmel_pio4_set_a_periph(AT91_PIO_PORTA, 2, 0); /* DAT0 */
> + atmel_pio4_set_a_periph(AT91_PIO_PORTA, 3, 0); /* DAT1 */
> + atmel_pio4_set_a_periph(AT91_PIO_PORTA, 4, 0); /* DAT2 */
> + atmel_pio4_set_a_periph(AT91_PIO_PORTA, 5, 0); /* DAT3 */
> + atmel_pio4_set_a_periph(AT91_PIO_PORTA, 0, 0); /* CK */
> + atmel_pio4_set_a_periph(AT91_PIO_PORTA, 13, 0); /* CD */
> +
> + at91_periph_clk_enable(ATMEL_ID_SDMMC0);
> +}
> +#endif
> +
> +void spl_board_init(void)
> +{
> +#ifdef CONFIG_SD_BOOT
> + spl_mmc_init();
> +#endif
> +}
> +
> +void spl_display_print(void)
> +{
> +}
> +
> +static void ddrc_conf(struct atmel_mpddrc_config *ddrc)
> +{
> + ddrc->md = (ATMEL_MPDDRC_MD_DBW_32_BITS | ATMEL_MPDDRC_MD_DDR3_SDRAM);
> +
> + ddrc->cr = (ATMEL_MPDDRC_CR_NC_COL_10 |
> + ATMEL_MPDDRC_CR_NR_ROW_14 |
> + ATMEL_MPDDRC_CR_CAS_DDR_CAS5 |
> + ATMEL_MPDDRC_CR_DIC_DS |
> + ATMEL_MPDDRC_CR_NB_8BANKS |
> + ATMEL_MPDDRC_CR_DECOD_INTERLEAVED |
> + ATMEL_MPDDRC_CR_UNAL_SUPPORTED);
> +
> + ddrc->rtr = 0x298;
> +
> + ddrc->tpr0 = ((6 << 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) |
> + (4 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET));
> +
> + ddrc->tpr1 = ((27 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET) |
> + (29 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET) |
> + (0 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET) |
> + (10 << ATMEL_MPDDRC_TPR1_TXP_OFFSET));
> +
> + ddrc->tpr2 = ((0 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET) |
> + (0 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET) |
> + (0 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET) |
> + (4 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET) |
> + (7 << 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_(100);
> + 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(0x5355, &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(82) |
> + 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/sama5d2_icp_mmc_defconfig b/configs/sama5d2_icp_mmc_defconfig
> new file mode 100644
> index 0000000..8d609ca
> --- /dev/null
> +++ b/configs/sama5d2_icp_mmc_defconfig
> @@ -0,0 +1,72 @@
> +CONFIG_ARM=y
> +CONFIG_ARCH_AT91=y
> +CONFIG_SYS_TEXT_BASE=0x26f00000
> +CONFIG_TARGET_SAMA5D2_ICP=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_SPL=y
> +CONFIG_DEBUG_UART_BOARD_INIT=y
> +CONFIG_DEBUG_UART_BASE=0xf801c000
> +CONFIG_DEBUG_UART_CLOCK=83000000
See above. Do you really need DEBUG_UART in the default defconfig?
> +CONFIG_SPL_FAT_SUPPORT=y
> +CONFIG_SPL_LIBDISK_SUPPORT=y
> +CONFIG_DEFAULT_DEVICE_TREE="at91-sama5d2_icp"
> +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_DISPLAY_BOARDINFO is not set
> +CONFIG_SPL_SEPARATE_BSS=y
> +CONFIG_SPL_DISPLAY_PRINT=y
> +# CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_USE_SECTOR is not set
> +CONFIG_SPL_RAM_SUPPORT=y
> +CONFIG_HUSH_PARSER=y
> +CONFIG_CMD_BOOTZ=y
> +# CONFIG_CMD_IMI is not set
> +# CONFIG_CMD_FLASH is not set
> +CONFIG_CMD_I2C=y
> +# CONFIG_CMD_LOADS is not set
> +CONFIG_CMD_MMC=y
> +CONFIG_CMD_DHCP=y
> +CONFIG_CMD_PING=y
> +CONFIG_CMD_EXT4=y
> +CONFIG_CMD_FAT=y
> +CONFIG_OF_CONTROL=y
> +CONFIG_SPL_OF_CONTROL=y
> +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_I2C_EEPROM=y
> +CONFIG_DM_MMC=y
> +CONFIG_MMC_SDHCI=y
> +CONFIG_MMC_SDHCI_ATMEL=y
> +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_TIMER=y
> +CONFIG_SPL_TIMER=y
> +CONFIG_ATMEL_PIT_TIMER=y
> diff --git a/include/configs/sama5d2_icp.h b/include/configs/sama5d2_icp.h
> new file mode 100644
> index 0000000..f947a3c
> --- /dev/null
> +++ b/include/configs/sama5d2_icp.h
> @@ -0,0 +1,70 @@
> +/* SPDX-License-Identifier: GPL-2.0+ */
> +/*
> + * Configuration file for the SAMA5D2 ICP Board.
> + *
> + * Copyright (C) 2018 Microchip Corporation
> + * Eugen Hristev <eugen.hristev at microchip.com>
> + */
> +
> +#ifndef __CONFIG_H
> +#define __CONFIG_H
> +
> +#include "at91-sama5_common.h"
> +
> +#undef CONFIG_SYS_AT91_MAIN_CLOCK
> +#define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* from 12 MHz crystal */
> +
> +#define CONFIG_MISC_INIT_R
> +
> +/* SDRAM */
> +#define CONFIG_NR_DRAM_BANKS 1
> +#define CONFIG_SYS_SDRAM_BASE 0x20000000
> +#define CONFIG_SYS_SDRAM_SIZE 0x20000000
> +
> +#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 */
> +#undef CONFIG_CMD_NAND
> +
> +/* SPI flash */
> +#define CONFIG_SF_DEFAULT_SPEED 66000000
> +
> +#undef CONFIG_BOOTCOMMAND
> +#ifdef CONFIG_SD_BOOT
> +/* u-boot env in sd/mmc card */
> +#define FAT_ENV_INTERFACE "mmc"
> +#define FAT_ENV_DEVICE_AND_PART "0"
> +#define FAT_ENV_FILE "uboot.env"
> +#define CONFIG_ENV_SIZE 0x4000
> +/* bootstrap + u-boot + env in sd card */
> +#define CONFIG_BOOTCOMMAND "fatload mmc 0:1 0x21000000 at91-sama5d2_icp.dtb; " \
> + "fatload mmc 0:1 0x22000000 zImage; " \
> + "bootz 0x22000000 - 0x21000000"
> +#undef CONFIG_BOOTARGS
> +#define CONFIG_BOOTARGS \
> + "console=ttyS0,115200 earlyprintk root=/dev/mmcblk0p2 rw rootwait"
> +#endif
> +
> +/* SPL */
> +#define CONFIG_SPL_TEXT_BASE 0x200000
> +#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
>
Thanks,
Stefan
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