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arm/mach-meson: move smc commands in cmd/meson

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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>
This commit is contained in:
Alexey Romanov 2023-01-10 13:56:47 +03:00 committed by Neil Armstrong
parent 12d7827349
commit 311106a1c6
6 changed files with 172 additions and 144 deletions
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1
MAINTAINERS
View file

@ -149,6 +149,7 @@ L: u-boot-amlogic@groups.io
T: git https://source.denx.de/u-boot/custodians/u-boot-amlogic.git
F: arch/arm/mach-meson/
F: arch/arm/include/asm/arch-meson/
F: cmd/meson/
F: drivers/clk/meson/
F: drivers/serial/serial_meson.c
F: drivers/reset/reset-meson.c

144
arch/arm/mach-meson/sm.c
View file

@ -6,8 +6,6 @@
*/
#include <common.h>
#include <command.h>
#include <env.h>
#include <log.h>
#include <asm/arch/sm.h>
#include <asm/cache.h>
@ -139,145 +137,3 @@ int meson_sm_get_reboot_reason(void)
/* The SMC call is not used, we directly use AO_SEC_SD_CFG15 */
return FIELD_GET(REBOOT_REASON_MASK, reason);
}
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_CHIP_ID_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 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"
);

7
cmd/Kconfig
View file

@ -2730,4 +2730,11 @@ config MMC_SPEED_MODE_SET
and is indicated using the index from enum bus_mode in
include/mmc.h. A speed mode can be set only if it has already
been enabled in the device tree.
config CMD_MESON
bool "Amlogic Meson commands"
depends on ARCH_MESON
default y
help
Enable useful commands for the Meson Soc family developed by Amlogic Inc.
endmenu

3
cmd/Makefile
View file

@ -226,6 +226,9 @@ obj-$(CONFIG_RISCV) += riscv/
obj-$(CONFIG_SANDBOX) += sandbox/
obj-$(CONFIG_X86) += x86/
# Meson
obj-$(CONFIG_CMD_MESON) += meson/
obj-$(CONFIG_ARCH_MVEBU) += mvebu/
endif # !CONFIG_SPL_BUILD

5
cmd/meson/Makefile Normal file
View file

@ -0,0 +1,5 @@
# SPDX-License-Identifier: GPL-2.0+
#
# Copyright (c) 2022, SberDevices. All rights reserved.
obj-y += sm.o

156
cmd/meson/sm.c Normal file
View file

@ -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"
);