ARM: socfpga: Add initial support for the ABB SECU board
Add initial support for the ABB SECU board, which is an ArriaV-based
SoCFPGA system with ethernet and booting from Denali NAND.
Signed-off-by: Holger Brunck <holger.brunck@ch.abb.com>
Cc: Ley Foon Tan <ley.foon.tan@intel.com>
Cc: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
diff --git a/include/configs/socfpga_arria5_secu1.h b/include/configs/socfpga_arria5_secu1.h
new file mode 100644
index 0000000..b059100
--- /dev/null
+++ b/include/configs/socfpga_arria5_secu1.h
@@ -0,0 +1,131 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright (C) 2017-2020 ABB
+ *
+ */
+#ifndef __CONFIG_SOCFPGA_SECU1_H__
+#define __CONFIG_SOCFPGA_SECU1_H__
+
+#include <asm/arch/base_addr_ac5.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_BOOTDELAY 2
+#define CONFIG_BOOTFILE "zImage"
+#define CONFIG_BOOTARGS \
+ "console=ttyS0," __stringify(CONFIG_BAUDRATE) \
+ " ubi.fm_autoconvert=1" \
+ " uio_pdrv_genirq.of_id=\"idq,regbank\""
+
+#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 */
+#define CONFIG_ENV_OVERWRITE
+
+/*
+ * 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__ */