u-boot/include/configs/zynq-common.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * (C) Copyright 2012 Michal Simek <monstr@monstr.eu>
 * (C) Copyright 2013 - 2018 Xilinx, Inc.
 *
 * Common configuration options for all Zynq boards.
 */

#ifndef __CONFIG_ZYNQ_COMMON_H
#define __CONFIG_ZYNQ_COMMON_H

/* CPU clock */
#ifndef CONFIG_CPU_FREQ_HZ
# define CONFIG_CPU_FREQ_HZ	800000000
#endif

/* Cache options */
#define CONFIG_SYS_L2CACHE_OFF
#ifndef CONFIG_SYS_L2CACHE_OFF
# define CONFIG_SYS_L2_PL310
# define CONFIG_SYS_PL310_BASE		0xf8f02000
#endif

#define ZYNQ_SCUTIMER_BASEADDR		0xF8F00600
#define CONFIG_SYS_TIMERBASE		ZYNQ_SCUTIMER_BASEADDR
#define CONFIG_SYS_TIMER_COUNTS_DOWN
#define CONFIG_SYS_TIMER_COUNTER	(CONFIG_SYS_TIMERBASE + 0x4)

/* Serial drivers */
/* The following table includes the supported baudrates */
#define CONFIG_SYS_BAUDRATE_TABLE  \
	{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}

#define CONFIG_ARM_DCC

/* Ethernet driver */
#if defined(CONFIG_ZYNQ_GEM)
# define CONFIG_SYS_FAULT_ECHO_LINK_DOWN
# define CONFIG_BOOTP_MAY_FAIL
#endif

/* QSPI */
#ifdef CONFIG_ZYNQ_QSPI
# define CONFIG_SF_DEFAULT_SPEED	30000000
#endif

/* NOR */
#ifdef CONFIG_MTD_NOR_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

#ifdef CONFIG_NAND_ZYNQ
#define CONFIG_SYS_MAX_NAND_DEVICE	1
#define CONFIG_SYS_NAND_ONFI_DETECTION
#endif

#ifdef CONFIG_USB_EHCI_ZYNQ
# define CONFIG_EHCI_IS_TDI

# define CONFIG_SYS_DFU_DATA_BUF_SIZE	0x600000
# define DFU_DEFAULT_POLL_TIMEOUT	300
# define CONFIG_USB_CABLE_CHECK
# define CONFIG_THOR_RESET_OFF
# define DFU_ALT_INFO_RAM \
	"dfu_ram_info=" \
	"set dfu_alt_info " \
	"${kernel_image} ram 0x3000000 0x500000\\\\;" \
	"${devicetree_image} ram 0x2A00000 0x20000\\\\;" \
	"${ramdisk_image} ram 0x2000000 0x600000\0" \
	"dfu_ram=run dfu_ram_info && dfu 0 ram 0\0" \
	"thor_ram=run dfu_ram_info && thordown 0 ram 0\0"

# if defined(CONFIG_MMC_SDHCI_ZYNQ)
#  define DFU_ALT_INFO_MMC \
	"dfu_mmc_info=" \
	"set dfu_alt_info " \
	"${kernel_image} fat 0 1\\\\;" \
	"${devicetree_image} fat 0 1\\\\;" \
	"${ramdisk_image} fat 0 1\0" \
	"dfu_mmc=run dfu_mmc_info && dfu 0 mmc 0\0" \
	"thor_mmc=run dfu_mmc_info && thordown 0 mmc 0\0"

#  define DFU_ALT_INFO	\
	DFU_ALT_INFO_RAM \
	DFU_ALT_INFO_MMC
# else
#  define DFU_ALT_INFO	\
	DFU_ALT_INFO_RAM
# endif
#endif

#if !defined(DFU_ALT_INFO)
# define DFU_ALT_INFO
#endif

/* I2C */
#if defined(CONFIG_SYS_I2C_ZYNQ)
# define CONFIG_SYS_I2C
#endif

/* EEPROM */
#ifdef CONFIG_ZYNQ_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

/* Allow to overwrite serial and ethaddr */
#define CONFIG_ENV_OVERWRITE

/* enable preboot to be loaded before CONFIG_BOOTDELAY */
#define CONFIG_PREBOOT

/* Boot configuration */
#define CONFIG_SYS_LOAD_ADDR		0 /* default? */

/* Distro boot enablement */

#ifdef CONFIG_SPL_BUILD
#define BOOTENV
#else

#ifdef CONFIG_CMD_MMC
#define BOOT_TARGET_DEVICES_MMC(func) func(MMC, mmc, 0)
#else
#define BOOT_TARGET_DEVICES_MMC(func)
#endif

#ifdef CONFIG_CMD_USB
#define BOOT_TARGET_DEVICES_USB(func) func(USB, usb, 0)
#else
#define BOOT_TARGET_DEVICES_USB(func)
#endif

#if defined(CONFIG_CMD_PXE) && defined(CONFIG_CMD_DHCP)
#define BOOT_TARGET_DEVICES_PXE(func) func(PXE, pxe, na)
#else
#define BOOT_TARGET_DEVICES_PXE(func)
#endif

#if defined(CONFIG_CMD_DHCP)
#define BOOT_TARGET_DEVICES_DHCP(func) func(DHCP, dhcp, na)
#else
#define BOOT_TARGET_DEVICES_DHCP(func)
#endif

#define BOOT_TARGET_DEVICES(func) \
	BOOT_TARGET_DEVICES_MMC(func) \
	BOOT_TARGET_DEVICES_USB(func) \
	BOOT_TARGET_DEVICES_PXE(func) \
	BOOT_TARGET_DEVICES_DHCP(func)

#include <config_distro_bootcmd.h>
#endif /* CONFIG_SPL_BUILD */

/* Default environment */
#ifndef CONFIG_EXTRA_ENV_SETTINGS
#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"	\
	"loadbootenv_addr=0x2000000\0" \
	"fdt_addr_r=0x1f00000\0"        \
	"pxefile_addr_r=0x2000000\0"    \
	"kernel_addr_r=0x2000000\0"     \
	"scriptaddr=0x3000000\0"        \
	"ramdisk_addr_r=0x3100000\0"    \
	"bootenv=uEnv.txt\0" \
	"bootenv_dev=mmc\0" \
	"loadbootenv=load ${bootenv_dev} 0 ${loadbootenv_addr} ${bootenv}\0" \
	"importbootenv=echo Importing environment from ${bootenv_dev} ...; " \
		"env import -t ${loadbootenv_addr} $filesize\0" \
	"bootenv_existence_test=test -e ${bootenv_dev} 0 /${bootenv}\0" \
	"setbootenv=if env run bootenv_existence_test; then " \
			"if env run loadbootenv; then " \
				"env run importbootenv; " \
			"fi; " \
		"fi; \0" \
	"sd_loadbootenv=set bootenv_dev mmc && " \
			"run setbootenv \0" \
	"usb_loadbootenv=set bootenv_dev usb && usb start && run setbootenv \0" \
	"preboot=if test $modeboot = sdboot; then " \
			"run sd_loadbootenv; " \
			"echo Checking if uenvcmd is set ...; " \
			"if test -n $uenvcmd; then " \
				"echo Running uenvcmd ...; " \
				"run uenvcmd; " \
			"fi; " \
		"fi; \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... && " \
		"load 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... && " \
			"load usb 0 ${load_addr} ${fit_image} && " \
			"bootm ${load_addr}; fi\0" \
		DFU_ALT_INFO \
		BOOTENV
#endif

/* Miscellaneous configurable options */

#define CONFIG_CLOCKS
#define CONFIG_SYS_MAXARGS		32 /* max number of command args */

#define CONFIG_SYS_MEMTEST_START	0
#define CONFIG_SYS_MEMTEST_END		0x1000

#define CONFIG_SYS_INIT_RAM_ADDR	0xFFFF0000
#define CONFIG_SYS_INIT_RAM_SIZE	0x1000
#define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_INIT_RAM_ADDR + \
					CONFIG_SYS_INIT_RAM_SIZE - \
					GENERATED_GBL_DATA_SIZE)


/* Extend size of kernel image for uncompression */
#define CONFIG_SYS_BOOTM_LEN	(60 * 1024 * 1024)

/* Boot FreeBSD/vxWorks from an ELF image */
#define CONFIG_SYS_MMC_MAX_DEVICE	1

#define CONFIG_SYS_LDSCRIPT  "arch/arm/mach-zynq/u-boot.lds"

/* Commands */

/* SPL part */

/* MMC support */
#ifdef CONFIG_MMC_SDHCI_ZYNQ
#define CONFIG_SYS_MMCSD_FS_BOOT_PARTITION     1
#define CONFIG_SPL_FS_LOAD_PAYLOAD_NAME     "u-boot.img"
#endif

/* Disable dcache for SPL just for sure */
#ifdef CONFIG_SPL_BUILD
#define CONFIG_SYS_DCACHE_OFF
#endif

/* Address in RAM where the parameters must be copied by SPL. */
#define CONFIG_SYS_SPL_ARGS_ADDR	0x10000000

#define CONFIG_SPL_FS_LOAD_ARGS_NAME		"system.dtb"
#define CONFIG_SPL_FS_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_SYS_SPI_U_BOOT_OFFS	0x100000
#define CONFIG_SYS_SPI_ARGS_OFFS	0x200000
#define CONFIG_SYS_SPI_ARGS_SIZE	0x80000
#define CONFIG_SYS_SPI_KERNEL_OFFS	(CONFIG_SYS_SPI_ARGS_OFFS + \
					CONFIG_SYS_SPI_ARGS_SIZE)
#endif

/* for booting directly linux */

/* 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

/* On the top of OCM space */
#define CONFIG_SYS_SPL_MALLOC_START	CONFIG_SPL_STACK_R_ADDR
#define CONFIG_SYS_SPL_MALLOC_SIZE	0x2000000

/*
 * SPL stack position - and stack goes down
 * 0xfffffe00 is used for putting wfi loop.
 * Set it up as limit for now.
 */
#define CONFIG_SPL_STACK	0xfffffe00

/* 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

#endif /* __CONFIG_ZYNQ_COMMON_H */