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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2017-2020 Hitachi Power Grids
*
*/
#ifndef __CONFIG_SOCFPGA_SECU1_H__
#define __CONFIG_SOCFPGA_SECU1_H__
#include <asm/arch/base_addr_ac5.h>
#include <linux/stringify.h>
/* Call misc_init_r */
#define CONFIG_MISC_INIT_R
#define CONFIG_HUSH_INIT_VAR
/* Eternal oscillator */
#define CONFIG_SYS_TIMER_RATE 40000000
/* Memory configurations */
#define PHYS_SDRAM_1_SIZE 0x20000000 /* 512MiB on SECU1 */
/*
* We use bootcounter in i2c nvram of the RTC (0x68)
* The offset fopr the bootcounter is 0x9e, which are
* the last two bytes of the 128 bytes large NVRAM in the
* RTC which begin at address 0x20
*/
#define CONFIG_SYS_I2C_RTC_ADDR 0x68
/* Booting Linux */
#define CONFIG_BOOTFILE "zImage"
#define CONFIG_BOOTCOMMAND \
"setenv bootcmd '" \
"bridge enable; " \
"if test ${bootnum} = \"b\"; " \
"then run _fpga_loadsafe; " \
"else if test ${bootcount} -eq 4; then echo \"Switching copy...\"; setexpr x $bootnum % 2 && setexpr bootnum $x + 1; saveenv; fi; " \
"run _fpga_loaduser; " \
"fi;" \
"echo \"Booting bank $bootnum\" && run userload && run userboot;" \
"' && " \
"setenv altbootcmd 'setenv bootnum b && saveenv && boot;' && " \
"saveenv && saveenv && boot;"
#define CONFIG_CMDLINE_TAG
#define CONFIG_SYS_BOOTM_LEN (64 << 20)
/* Environment settings */
/*
* Autoboot
*
* After 45s of inactivity in the prompt, the board will reset.
* Set 'bootretry' in the environment to -1 to disable this behavior
*/
#define CONFIG_BOOT_RETRY_TIME 45
#define CONFIG_RESET_TO_RETRY
#define CONFIG_LOADADDR 0x01000000
#define CONFIG_SYS_LOAD_ADDR CONFIG_KM_KERNEL_ADDR
/*
* FPGA Remote Update related environment
*
* Note that since those commands access the FPGA, the HPS-to-FPGA
* bridges MUST have been previously enabled (for example
* with 'bridge enable').
*/
#define FPGA_RMTU_ENV \
"rmtu_page=0xFF29000C\0" \
"rmtu_reconfig=0xFF290018\0" \
"fpga_safebase=0x0\0" \
"fpga_userbase=0x2000000\0" \
"_fpga_loaduser=echo Loading FPGA USER image..." \
" && mw ${rmtu_page} ${fpga_userbase} && mw ${rmtu_reconfig} 1\0" \
"_fpga_loadsafe=echo Loading FPGA SAFE image..." \
" && mw ${rmtu_page} ${fpga_safebase} && mw ${rmtu_reconfig} 1\0" \
#define CONFIG_KM_NEW_ENV \
"newenv=" \
"nand erase 0x100000 0x40000\0"
#define CONFIG_KM_DEF_ENV_BOOTTARGETS \
"release=" \
"run newenv; reset\0" \
"develop=" \
"tftp 0x200000 scripts/develop-secu.txt && env import -t 0x200000 ${filesize} && saveenv && reset\0"
#define CONFIG_EXTRA_ENV_SETTINGS \
FPGA_RMTU_ENV \
CONFIG_KM_DEF_ENV_BOOTTARGETS \
CONFIG_KM_NEW_ENV \
"socfpga_legacy_reset_compat=1\0" \
"altbootcmd=run bootcmd;\0" \
"bootlimit=6\0" \
"bootnum=1\0" \
"bootretry=" __stringify(CONFIG_BOOT_RETRY_TIME) "\0" \
"fdt_addr=" __stringify(CONFIG_KM_FDT_ADDR) "\0" \
"load=tftpboot ${loadaddr} u-boot-with-nand-spl.sfp\0" \
"loadaddr=" __stringify(CONFIG_KM_KERNEL_ADDR) "\0" \
"mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \
"mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
"update=nand erase 0x0 0x00100000 && nand write ${loadaddr} 0x0 ${filesize}\0" \
"userload=ubi part nand.ubi &&" \
"ubi check rootfs$bootnum &&" \
"ubi read $fdt_addr dtb$bootnum &&" \
"ubi read $loadaddr kernel$bootnum\0" \
"userboot=setenv bootargs " CONFIG_BOOTARGS \
" ubi.mtd=1 ubi.block=0,rootfs$bootnum root=/dev/ubiblock0_$ubivolid" \
" ro rootfstype=squashfs init=sbin/preinit;" \
"bootz ${loadaddr} - ${fdt_addr}\0" \
"verify=y\0"
/* The rest of the configuration is shared */
#include <configs/socfpga_common.h>
#ifdef CONFIG_SPL_NAND_SUPPORT
#undef CONFIG_SYS_NAND_U_BOOT_OFFS
#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x80000
#endif
#undef CONFIG_WATCHDOG_TIMEOUT_MSECS
#define CONFIG_WATCHDOG_TIMEOUT_MSECS 60000
#endif /* __CONFIG_SOCFPGA_SECU1_H__ */
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