1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (C) 2017-2020 Hitachi Power Grids
6 #ifndef __CONFIG_SOCFPGA_SECU1_H__
7 #define __CONFIG_SOCFPGA_SECU1_H__
9 #include <asm/arch/base_addr_ac5.h>
10 #include <linux/stringify.h>
12 #define CONFIG_HUSH_INIT_VAR
13 /* Eternal oscillator */
14 #define CONFIG_SYS_TIMER_RATE 40000000
16 /* Memory configurations */
17 #define PHYS_SDRAM_1_SIZE 0x20000000 /* 512MiB on SECU1 */
20 * We use bootcounter in i2c nvram of the RTC (0x68)
21 * The offset fopr the bootcounter is 0x9e, which are
22 * the last two bytes of the 128 bytes large NVRAM in the
23 * RTC which begin at address 0x20
25 #define CONFIG_SYS_I2C_RTC_ADDR 0x68
28 #define CONFIG_BOOTFILE "zImage"
30 #define CONFIG_BOOTCOMMAND \
33 "if test ${bootnum} = \"b\"; " \
34 "then run _fpga_loadsafe; " \
35 "else if test ${bootcount} -eq 4; then echo \"Switching copy...\"; setexpr x $bootnum % 2 && setexpr bootnum $x + 1; saveenv; fi; " \
36 "run _fpga_loaduser; " \
38 "echo \"Booting bank $bootnum\" && run userload && run userboot;" \
40 "setenv altbootcmd 'setenv bootnum b && saveenv && boot;' && " \
41 "saveenv && saveenv && boot;"
43 #define CONFIG_SYS_BOOTM_LEN (64 << 20)
45 /* Environment settings */
50 * After 45s of inactivity in the prompt, the board will reset.
51 * Set 'bootretry' in the environment to -1 to disable this behavior
53 #define CONFIG_BOOT_RETRY_TIME 45
54 #define CONFIG_RESET_TO_RETRY
57 * FPGA Remote Update related environment
59 * Note that since those commands access the FPGA, the HPS-to-FPGA
60 * bridges MUST have been previously enabled (for example
61 * with 'bridge enable').
63 #define FPGA_RMTU_ENV \
64 "rmtu_page=0xFF29000C\0" \
65 "rmtu_reconfig=0xFF290018\0" \
66 "fpga_safebase=0x0\0" \
67 "fpga_userbase=0x2000000\0" \
68 "_fpga_loaduser=echo Loading FPGA USER image..." \
69 " && mw ${rmtu_page} ${fpga_userbase} && mw ${rmtu_reconfig} 1\0" \
70 "_fpga_loadsafe=echo Loading FPGA SAFE image..." \
71 " && mw ${rmtu_page} ${fpga_safebase} && mw ${rmtu_reconfig} 1\0" \
73 #define CONFIG_KM_NEW_ENV \
75 "nand erase 0x100000 0x40000\0"
77 #define CONFIG_KM_DEF_ENV_BOOTTARGETS \
79 "run newenv; reset\0" \
81 "tftp 0x200000 scripts/develop-secu.txt && env import -t 0x200000 ${filesize} && saveenv && reset\0"
83 #define CONFIG_EXTRA_ENV_SETTINGS \
85 CONFIG_KM_DEF_ENV_BOOTTARGETS \
87 "socfpga_legacy_reset_compat=1\0" \
88 "altbootcmd=run bootcmd;\0" \
91 "bootretry=" __stringify(CONFIG_BOOT_RETRY_TIME) "\0" \
92 "fdt_addr=" __stringify(CONFIG_KM_FDT_ADDR) "\0" \
93 "load=tftpboot ${loadaddr} u-boot-with-nand-spl.sfp\0" \
94 "loadaddr=" __stringify(CONFIG_KM_KERNEL_ADDR) "\0" \
95 "mtdids=" CONFIG_MTDIDS_DEFAULT "\0" \
96 "mtdparts=" CONFIG_MTDPARTS_DEFAULT "\0" \
97 "update=nand erase 0x0 0x00100000 && nand write ${loadaddr} 0x0 ${filesize}\0" \
98 "userload=ubi part nand.ubi &&" \
99 "ubi check rootfs$bootnum &&" \
100 "ubi read $fdt_addr dtb$bootnum &&" \
101 "ubi read $loadaddr kernel$bootnum\0" \
102 "userboot=setenv bootargs " CONFIG_BOOTARGS \
103 " ubi.mtd=1 ubi.block=0,rootfs$bootnum root=/dev/ubiblock0_$ubivolid" \
104 " ro rootfstype=squashfs init=sbin/preinit;" \
105 "bootz ${loadaddr} - ${fdt_addr}\0" \
108 /* The rest of the configuration is shared */
109 #include <configs/socfpga_common.h>
111 #undef CONFIG_WATCHDOG_TIMEOUT_MSECS
112 #define CONFIG_WATCHDOG_TIMEOUT_MSECS 60000
114 #endif /* __CONFIG_SOCFPGA_SECU1_H__ */