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upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/include/configs/zynq-common.h

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/*
* (C) Copyright 2012 Michal Simek <monstr@monstr.eu>
* (C) Copyright 2013 Xilinx, Inc.
*
* Common configuration options for all Zynq boards.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __CONFIG_ZYNQ_COMMON_H
#define __CONFIG_ZYNQ_COMMON_H
/* High Level configuration Options */
#define CONFIG_ARMV7
/* CPU clock */
#ifndef CONFIG_CPU_FREQ_HZ
# define CONFIG_CPU_FREQ_HZ 800000000
#endif
/* Cache options */
#define CONFIG_CMD_CACHE
#define CONFIG_SYS_CACHELINE_SIZE 32
#define CONFIG_SYS_L2CACHE_OFF
#ifndef CONFIG_SYS_L2CACHE_OFF
# define CONFIG_SYS_L2_PL310
# define CONFIG_SYS_PL310_BASE 0xf8f02000
#endif
/* Serial drivers */
#define CONFIG_BAUDRATE 115200
/* The following table includes the supported baudrates */
#define CONFIG_SYS_BAUDRATE_TABLE \
{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
/* DCC driver */
#if defined(CONFIG_ZYNQ_DCC)
# define CONFIG_ARM_DCC
# define CONFIG_CPU_V6 /* Required by CONFIG_ARM_DCC */
#else
# define CONFIG_ZYNQ_SERIAL
#endif
/* Ethernet driver */
#if defined(CONFIG_ZYNQ_GEM0) || defined(CONFIG_ZYNQ_GEM1)
# define CONFIG_NET_MULTI
# define CONFIG_ZYNQ_GEM
# define CONFIG_MII
# define CONFIG_SYS_FAULT_ECHO_LINK_DOWN
# define CONFIG_PHYLIB
# define CONFIG_PHY_MARVELL
#endif
/* SPI */
#ifdef CONFIG_ZYNQ_SPI
# define CONFIG_SPI_FLASH
# define CONFIG_SPI_FLASH_SST
# define CONFIG_CMD_SF
#endif
/* NOR */
#ifndef CONFIG_SYS_NO_FLASH
# define CONFIG_SYS_FLASH_BASE 0xE2000000
# define CONFIG_SYS_FLASH_SIZE (16 * 1024 * 1024)
# define CONFIG_SYS_MAX_FLASH_BANKS 1
# define CONFIG_SYS_MAX_FLASH_SECT 512
# define CONFIG_SYS_FLASH_ERASE_TOUT 1000
# define CONFIG_SYS_FLASH_WRITE_TOUT 5000
# define CONFIG_FLASH_SHOW_PROGRESS 10
# define CONFIG_SYS_FLASH_CFI
# undef CONFIG_SYS_FLASH_EMPTY_INFO
# define CONFIG_FLASH_CFI_DRIVER
# undef CONFIG_SYS_FLASH_PROTECTION
# define CONFIG_SYS_FLASH_USE_BUFFER_WRITE
#endif
/* MMC */
#if defined(CONFIG_ZYNQ_SDHCI0) || defined(CONFIG_ZYNQ_SDHCI1)
# define CONFIG_MMC
# define CONFIG_GENERIC_MMC
# define CONFIG_SDHCI
# define CONFIG_ZYNQ_SDHCI
# define CONFIG_CMD_MMC
#endif
#ifdef CONFIG_ZYNQ_USB
# define CONFIG_USB_EHCI
# define CONFIG_CMD_USB
# define CONFIG_USB_STORAGE
# define CONFIG_USB_EHCI_ZYNQ
# define CONFIG_USB_ULPI_VIEWPORT
# define CONFIG_USB_ULPI
# define CONFIG_EHCI_IS_TDI
# define CONFIG_USB_MAX_CONTROLLER_COUNT 2
#endif
#if defined(CONFIG_ZYNQ_SDHCI) || defined(CONFIG_ZYNQ_USB)
# define CONFIG_SUPPORT_VFAT
# define CONFIG_CMD_FAT
# define CONFIG_CMD_EXT2
# define CONFIG_FAT_WRITE
# define CONFIG_DOS_PARTITION
# define CONFIG_CMD_EXT4
# define CONFIG_CMD_EXT4_WRITE
#endif
#define CONFIG_SYS_I2C_ZYNQ
/* I2C */
#if defined(CONFIG_SYS_I2C_ZYNQ)
# define CONFIG_CMD_I2C
# define CONFIG_SYS_I2C
# define CONFIG_SYS_I2C_ZYNQ_SPEED 100000
# define CONFIG_SYS_I2C_ZYNQ_SLAVE 0
#endif
/* EEPROM */
#ifdef CONFIG_ZYNQ_EEPROM
# define CONFIG_CMD_EEPROM
# define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 1
# define CONFIG_SYS_I2C_EEPROM_ADDR 0x54
# define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 4
# define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5
# define CONFIG_SYS_EEPROM_SIZE 1024 /* Bytes */
#endif
#define CONFIG_BOOTP_SERVERIP
#define CONFIG_BOOTP_BOOTPATH
#define CONFIG_BOOTP_GATEWAY
#define CONFIG_BOOTP_HOSTNAME
#define CONFIG_BOOTP_MAY_FAIL
/* Total Size of Environment Sector */
#define CONFIG_ENV_SIZE (128 << 10)
/* Allow to overwrite serial and ethaddr */
#define CONFIG_ENV_OVERWRITE
/* Environment */
#ifndef CONFIG_ENV_IS_NOWHERE
# ifndef CONFIG_SYS_NO_FLASH
# define CONFIG_ENV_IS_IN_FLASH
# elif defined(CONFIG_SYS_NO_FLASH)
# define CONFIG_ENV_IS_NOWHERE
# endif
# define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE
# define CONFIG_ENV_OFFSET 0xE0000
# define CONFIG_CMD_SAVEENV
#endif
/* Default environment */
#define CONFIG_EXTRA_ENV_SETTINGS \
"fit_image=fit.itb\0" \
"load_addr=0x2000000\0" \
"fit_size=0x800000\0" \
"flash_off=0x100000\0" \
"nor_flash_off=0xE2100000\0" \
"fdt_high=0x20000000\0" \
"initrd_high=0x20000000\0" \
"norboot=echo Copying FIT from NOR flash to RAM... && " \
"cp.b ${nor_flash_off} ${load_addr} ${fit_size} && " \
"bootm ${load_addr}\0" \
"sdboot=echo Copying FIT from SD to RAM... && " \
"fatload mmc 0 ${load_addr} ${fit_image} && " \
"bootm ${load_addr}\0" \
"jtagboot=echo TFTPing FIT to RAM... && " \
"tftpboot ${load_addr} ${fit_image} && " \
"bootm ${load_addr}\0" \
"usbboot=if usb start; then " \
"echo Copying FIT from USB to RAM... && " \
"fatload usb 0 ${load_addr} ${fit_image} && " \
"bootm ${load_addr}\0" \
"fi\0"
#define CONFIG_BOOTCOMMAND "run $modeboot"
#define CONFIG_BOOTDELAY 3 /* -1 to Disable autoboot */
#define CONFIG_SYS_LOAD_ADDR 0 /* default? */
/* Miscellaneous configurable options */
#define CONFIG_SYS_PROMPT "zynq-uboot> "
#define CONFIG_SYS_HUSH_PARSER
#define CONFIG_CMDLINE_EDITING
#define CONFIG_AUTO_COMPLETE
#define CONFIG_BOARD_LATE_INIT
#define CONFIG_SYS_LONGHELP
#define CONFIG_CLOCKS
#define CONFIG_CMD_CLK
#define CONFIG_SYS_MAXARGS 32 /* max number of command args */
#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
sizeof(CONFIG_SYS_PROMPT) + 16)
/* Physical Memory map */
#define CONFIG_SYS_TEXT_BASE 0x4000000
#define CONFIG_NR_DRAM_BANKS 1
#define CONFIG_SYS_SDRAM_BASE 0
#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x1000)
#define CONFIG_SYS_MALLOC_LEN 0x400000
#define CONFIG_SYS_INIT_RAM_ADDR CONFIG_SYS_SDRAM_BASE
#define CONFIG_SYS_INIT_RAM_SIZE CONFIG_SYS_MALLOC_LEN
#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \
CONFIG_SYS_INIT_RAM_SIZE - \
GENERATED_GBL_DATA_SIZE)
/* Enable the PL to be downloaded */
#define CONFIG_FPGA
#define CONFIG_FPGA_XILINX
#define CONFIG_FPGA_ZYNQPL
#define CONFIG_CMD_FPGA
#define CONFIG_CMD_FPGA_LOADMK
#define CONFIG_CMD_FPGA_LOADP
#define CONFIG_CMD_FPGA_LOADBP
#define CONFIG_CMD_FPGA_LOADFS
/* Open Firmware flat tree */
#define CONFIG_OF_LIBFDT
/* FIT support */
#define CONFIG_FIT
#define CONFIG_FIT_VERBOSE 1 /* enable fit_format_{error,warning}() */
#define CONFIG_IMAGE_FORMAT_LEGACY /* enable also legacy image format */
/* FDT support */
#define CONFIG_OF_CONTROL
#define CONFIG_OF_SEPARATE
#define CONFIG_DISPLAY_BOARDINFO_LATE
/* RSA support */
#define CONFIG_FIT_SIGNATURE
#define CONFIG_RSA
/* Extend size of kernel image for uncompression */
#define CONFIG_SYS_BOOTM_LEN (60 * 1024 * 1024)
/* Boot FreeBSD/vxWorks from an ELF image */
#if defined(CONFIG_ZYNQ_BOOT_FREEBSD)
# define CONFIG_API
# define CONFIG_CMD_ELF
# define CONFIG_SYS_MMC_MAX_DEVICE 1
#endif
#define CONFIG_SYS_LDSCRIPT "arch/arm/cpu/armv7/zynq/u-boot.lds"
/* Commands */
#include <config_cmd_default.h>
#define CONFIG_CMD_PING
#define CONFIG_CMD_DHCP
#define CONFIG_CMD_MII
#define CONFIG_CMD_TFTPPUT
/* SPL part */
#define CONFIG_CMD_SPL
#define CONFIG_SPL_FRAMEWORK
#define CONFIG_SPL_LIBCOMMON_SUPPORT
#define CONFIG_SPL_LIBGENERIC_SUPPORT
#define CONFIG_SPL_SERIAL_SUPPORT
#define CONFIG_SPL_BOARD_INIT
#define CONFIG_SPL_LDSCRIPT "arch/arm/cpu/armv7/zynq/u-boot-spl.lds"
/* MMC support */
#ifdef CONFIG_ZYNQ_SDHCI0
#define CONFIG_SPL_MMC_SUPPORT
#define CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR 0x300 /* address 0x60000 */
#define CONFIG_SYS_U_BOOT_MAX_SIZE_SECTORS 0x200 /* 256 KB */
#define CONFIG_SYS_MMC_SD_FAT_BOOT_PARTITION 1
#define CONFIG_SPL_LIBDISK_SUPPORT
#define CONFIG_SPL_FAT_SUPPORT
#if defined(CONFIG_OF_CONTROL) && defined(CONFIG_OF_SEPARATE)
# define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot-dtb.img"
#else
# define CONFIG_SPL_FAT_LOAD_PAYLOAD_NAME "u-boot.img"
#endif
#endif
/* Disable dcache for SPL just for sure */
#ifdef CONFIG_SPL_BUILD
#define CONFIG_SYS_DCACHE_OFF
#undef CONFIG_FPGA
#undef CONFIG_OF_CONTROL
#endif
/* Address in RAM where the parameters must be copied by SPL. */
#define CONFIG_SYS_SPL_ARGS_ADDR 0x10000000
#define CONFIG_SPL_FAT_LOAD_ARGS_NAME "system.dtb"
#define CONFIG_SPL_FAT_LOAD_KERNEL_NAME "uImage"
/* Not using MMC raw mode - just for compilation purpose */
#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTOR 0
#define CONFIG_SYS_MMCSD_RAW_MODE_ARGS_SECTORS 0
#define CONFIG_SYS_MMCSD_RAW_MODE_KERNEL_SECTOR 0
/* qspi mode is working fine */
#ifdef CONFIG_ZYNQ_QSPI
#define CONFIG_SPL_SPI_SUPPORT
#define CONFIG_SPL_SPI_LOAD
#define CONFIG_SPL_SPI_FLASH_SUPPORT
#define CONFIG_SPL_SPI_BUS 0
#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x100000
#define CONFIG_SPL_SPI_CS 0
#endif
/* for booting directly linux */
#define CONFIG_SPL_OS_BOOT
/* SP location before relocation, must use scratch RAM */
#define CONFIG_SPL_TEXT_BASE 0x0
/* 3 * 64kB blocks of OCM - one is on the top because of bootrom */
#define CONFIG_SPL_MAX_SIZE 0x30000
/* The highest 64k OCM address */
#define OCM_HIGH_ADDR 0xffff0000
/* Just define any reasonable size */
#define CONFIG_SPL_STACK_SIZE 0x1000
/* SPL stack position - and stack goes down */
#define CONFIG_SPL_STACK (OCM_HIGH_ADDR + CONFIG_SPL_STACK_SIZE)
/* On the top of OCM space */
#define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_STACK + \
GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_SPL_MALLOC_SIZE 0x1000
/* BSS setup */
#define CONFIG_SPL_BSS_START_ADDR 0x100000
#define CONFIG_SPL_BSS_MAX_SIZE 0x100000
#define CONFIG_SYS_UBOOT_START CONFIG_SYS_TEXT_BASE
#define CONFIG_SYS_GENERIC_BOARD
#endif /* __CONFIG_ZYNQ_COMMON_H */