arm/mach-meson: move smc commands in cmd/meson
It is incorrect to keep commands in the arch/ folder.
Signed-off-by: Alexey Romanov <avromanov@sberdevices.ru>
Reviewed-by: Mattijs Korpershoek <mkorpershoek@baylibre.com>
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org>
Link: https://lore.kernel.org/r/20230110105650.54580-3-avromanov@sberdevices.ru
[narmstrong: moved after cmd/sound in index.rst]
Signed-off-by: Neil Armstrong <neil.armstrong@linaro.org>
diff --git a/cmd/meson/Makefile b/cmd/meson/Makefile
new file mode 100644
index 0000000..ee26c17
--- /dev/null
+++ b/cmd/meson/Makefile
@@ -0,0 +1,5 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Copyright (c) 2022, SberDevices. All rights reserved.
+
+obj-y += sm.o
diff --git a/cmd/meson/sm.c b/cmd/meson/sm.c
new file mode 100644
index 0000000..c2b5770
--- /dev/null
+++ b/cmd/meson/sm.c
@@ -0,0 +1,156 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (c) 2016 Beniamino Galvani
+ *
+ * Author: Beniamino Galvani <b.galvani@gmail.com>
+ * Author: Vyacheslav Bocharov <adeep@lexina.in>
+ * Author: Neil Armstrong <narmstrong@baylibre.com>
+ */
+
+#include <command.h>
+#include <common.h>
+#include <env.h>
+#include <asm/arch/sm.h>
+#include <stdlib.h>
+
+static int do_sm_serial(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ ulong address;
+ int ret;
+
+ if (argc < 2)
+ return CMD_RET_USAGE;
+
+ address = simple_strtoul(argv[1], NULL, 0);
+
+ ret = meson_sm_get_serial((void *)address, SM_SERIAL_SIZE);
+ if (ret)
+ return CMD_RET_FAILURE;
+
+ return CMD_RET_SUCCESS;
+}
+
+#define MAX_REBOOT_REASONS 14
+
+static const char *reboot_reasons[MAX_REBOOT_REASONS] = {
+ [REBOOT_REASON_COLD] = "cold_boot",
+ [REBOOT_REASON_NORMAL] = "normal",
+ [REBOOT_REASON_RECOVERY] = "recovery",
+ [REBOOT_REASON_UPDATE] = "update",
+ [REBOOT_REASON_FASTBOOT] = "fastboot",
+ [REBOOT_REASON_SUSPEND_OFF] = "suspend_off",
+ [REBOOT_REASON_HIBERNATE] = "hibernate",
+ [REBOOT_REASON_BOOTLOADER] = "bootloader",
+ [REBOOT_REASON_SHUTDOWN_REBOOT] = "shutdown_reboot",
+ [REBOOT_REASON_RPMBP] = "rpmbp",
+ [REBOOT_REASON_CRASH_DUMP] = "crash_dump",
+ [REBOOT_REASON_KERNEL_PANIC] = "kernel_panic",
+ [REBOOT_REASON_WATCHDOG_REBOOT] = "watchdog_reboot",
+};
+
+static int do_sm_reboot_reason(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ const char *reason_str;
+ char *destarg = NULL;
+ int reason;
+
+ if (argc > 1)
+ destarg = argv[1];
+
+ reason = meson_sm_get_reboot_reason();
+ if (reason < 0)
+ return CMD_RET_FAILURE;
+
+ if (reason >= MAX_REBOOT_REASONS ||
+ !reboot_reasons[reason])
+ reason_str = "unknown";
+ else
+ reason_str = reboot_reasons[reason];
+
+ if (destarg)
+ env_set(destarg, reason_str);
+ else
+ printf("reboot reason: %s (%x)\n", reason_str, reason);
+
+ return CMD_RET_SUCCESS;
+}
+
+static int do_efuse_read(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ ulong address, offset, size;
+ int ret;
+
+ if (argc < 4)
+ return CMD_RET_USAGE;
+
+ offset = simple_strtoul(argv[1], NULL, 0);
+ size = simple_strtoul(argv[2], NULL, 0);
+
+ address = simple_strtoul(argv[3], NULL, 0);
+
+ ret = meson_sm_read_efuse(offset, (void *)address, size);
+ if (ret != size)
+ return CMD_RET_FAILURE;
+
+ return CMD_RET_SUCCESS;
+}
+
+static int do_efuse_write(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ ulong address, offset, size;
+ int ret;
+
+ if (argc < 4)
+ return CMD_RET_USAGE;
+
+ offset = simple_strtoul(argv[1], NULL, 0);
+ size = simple_strtoul(argv[2], NULL, 0);
+
+ address = simple_strtoul(argv[3], NULL, 0);
+
+ ret = meson_sm_write_efuse(offset, (void *)address, size);
+ if (ret != size)
+ return CMD_RET_FAILURE;
+
+ return CMD_RET_SUCCESS;
+}
+
+static struct cmd_tbl cmd_sm_sub[] = {
+ U_BOOT_CMD_MKENT(serial, 2, 1, do_sm_serial, "", ""),
+ U_BOOT_CMD_MKENT(reboot_reason, 1, 1, do_sm_reboot_reason, "", ""),
+ U_BOOT_CMD_MKENT(efuseread, 4, 1, do_efuse_read, "", ""),
+ U_BOOT_CMD_MKENT(efusewrite, 4, 0, do_efuse_write, "", ""),
+};
+
+static int do_sm(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
+{
+ struct cmd_tbl *c;
+
+ if (argc < 2)
+ return CMD_RET_USAGE;
+
+ /* Strip off leading 'sm' command argument */
+ argc--;
+ argv++;
+
+ c = find_cmd_tbl(argv[0], &cmd_sm_sub[0], ARRAY_SIZE(cmd_sm_sub));
+
+ if (c)
+ return c->cmd(cmdtp, flag, argc, argv);
+ else
+ return CMD_RET_USAGE;
+}
+
+U_BOOT_CMD(
+ sm, 5, 0, do_sm,
+ "Secure Monitor Control",
+ "serial <address> - read chip unique id to memory address\n"
+ "sm reboot_reason [name] - get reboot reason and store to environment\n"
+ "sm efuseread <offset> <size> <address> - read efuse to memory address\n"
+ "sm efusewrite <offset> <size> <address> - write into efuse from memory address"
+);