[J-u-boot.git] / arch / arm / mach-keystone / cmd_mon.c

// SPDX-License-Identifier: GPL-2.0+
/*
 * K2HK: secure kernel command file
 *
 * (C) Copyright 2012-2014
 *     Texas Instruments Incorporated, <www.ti.com>
 */

#include <common.h>
#include <command.h>
#include <image.h>
#include <mach/mon.h>
asm(".arch_extension sec\n\t");

static int do_mon_install(cmd_tbl_t *cmdtp, int flag, int argc,
			  char * const argv[])
{
	u32 addr, dpsc_base = 0x1E80000, freq, load_addr, size;
	int     rcode = 0;
	struct image_header *header;
	u32 ecrypt_bm_addr = 0;

	if (argc < 2)
		return CMD_RET_USAGE;

	freq = CONFIG_SYS_HZ_CLOCK;

	addr = simple_strtoul(argv[1], NULL, 16);

	header = (struct image_header *)addr;

	if (image_get_magic(header) != IH_MAGIC) {
		printf("## Please update monitor image\n");
		return -EFAULT;
	}

	load_addr = image_get_load(header);
	size = image_get_data_size(header);
	memcpy((void *)load_addr, (void *)(addr + sizeof(struct image_header)),
	       size);

	if (argc >=  3)
		ecrypt_bm_addr = simple_strtoul(argv[2], NULL, 16);

	rcode = mon_install(load_addr, dpsc_base, freq, ecrypt_bm_addr);
	printf("## installed monitor @ 0x%x, freq [%d], status %d\n",
	       load_addr, freq, rcode);

	return 0;
}

U_BOOT_CMD(mon_install, 3, 0, do_mon_install,
	   "Install boot kernel at 'addr'",
	   ""
);

static void core_spin(void)
{
	while (1) {
		asm volatile (
			"dsb\n"
			"isb\n"
			"wfi\n"
		);
	}
}

int do_mon_power(cmd_tbl_t *cmdtp, int flag, int argc,
			char * const argv[])
{
	int     rcode = 0, core_id, on;
	void (*fn)(void);

	fn = core_spin;

	if (argc < 3)
		return CMD_RET_USAGE;

	core_id = simple_strtoul(argv[1], NULL, 16);
	on = simple_strtoul(argv[2], NULL, 16);

	if (on)
		rcode = mon_power_on(core_id, fn);
	else
		rcode = mon_power_off(core_id);

	if (on) {
		if (!rcode)
			printf("core %d powered on successfully\n", core_id);
		else
			printf("core %d power on failure\n", core_id);
	} else {
		printf("core %d powered off successfully\n", core_id);
	}

	return 0;
}

U_BOOT_CMD(mon_power, 3, 0, do_mon_power,
	   "Power On/Off secondary core",
	   "mon_power <coreid> <oper>\n"
	   "- coreid (1-3) and oper (1 - ON, 0 - OFF)\n"
	   ""
);
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
ef509b90 VA	2	/*
	3	* K2HK: secure kernel command file
	4	*
	5	* (C) Copyright 2012-2014
	6	* Texas Instruments Incorporated, <www.ti.com>
ef509b90 VA	7	*/
	8
	9	#include <common.h>
	10	#include <command.h>
5d214065	11	#include <image.h>
aadd3360	12	#include <mach/mon.h>
ef509b90 VA	13	asm(".arch_extension sec\n\t");
ef509b90 VA	14
ef509b90 VA	15	static int do_mon_install(cmd_tbl_t *cmdtp, int flag, int argc,
	16	char * const argv[])
	17	{
5d214065	18	u32 addr, dpsc_base = 0x1E80000, freq, load_addr, size;
ef509b90	19	int rcode = 0;
5d214065	20	struct image_header *header;
1d73ce6f	21	u32 ecrypt_bm_addr = 0;
ef509b90 VA	22
	23	if (argc < 2)
	24	return CMD_RET_USAGE;
	25
e6d71e1c	26	freq = CONFIG_SYS_HZ_CLOCK;
ef509b90 VA	27
	28	addr = simple_strtoul(argv[1], NULL, 16);
	29
5d214065 LV	30	header = (struct image_header *)addr;
	31
	32	if (image_get_magic(header) != IH_MAGIC) {
	33	printf("## Please update monitor image\n");
	34	return -EFAULT;
	35	}
	36
	37	load_addr = image_get_load(header);
	38	size = image_get_data_size(header);
	39	memcpy((void )load_addr, (void )(addr + sizeof(struct image_header)),
	40	size);
	41
1d73ce6f MS	42	if (argc >= 3)
	43	ecrypt_bm_addr = simple_strtoul(argv[2], NULL, 16);
	44
	45	rcode = mon_install(load_addr, dpsc_base, freq, ecrypt_bm_addr);
5d214065 LV	46	printf("## installed monitor @ 0x%x, freq [%d], status %d\n",
5d214065 LV	47	load_addr, freq, rcode);
ef509b90 VA	48
	49	return 0;
	50	}
	51
1d73ce6f	52	U_BOOT_CMD(mon_install, 3, 0, do_mon_install,
ef509b90 VA	53	"Install boot kernel at 'addr'",
	54	""
	55	);
	56
	57	static void core_spin(void)
	58	{
17c5bda2 VA	59	while (1) {
	60	asm volatile (
	61	"dsb\n"
	62	"isb\n"
	63	"wfi\n"
	64	);
	65	}
ef509b90 VA	66	}
ef509b90 VA	67
ef509b90 VA	68	int do_mon_power(cmd_tbl_t *cmdtp, int flag, int argc,
	69	char * const argv[])
	70	{
	71	int rcode = 0, core_id, on;
	72	void (*fn)(void);
	73
	74	fn = core_spin;
	75
	76	if (argc < 3)
	77	return CMD_RET_USAGE;
	78
	79	core_id = simple_strtoul(argv[1], NULL, 16);
	80	on = simple_strtoul(argv[2], NULL, 16);
	81
	82	if (on)
	83	rcode = mon_power_on(core_id, fn);
	84	else
	85	rcode = mon_power_off(core_id);
	86
	87	if (on) {
	88	if (!rcode)
	89	printf("core %d powered on successfully\n", core_id);
	90	else
	91	printf("core %d power on failure\n", core_id);
	92	} else {
	93	printf("core %d powered off successfully\n", core_id);
	94	}
	95
	96	return 0;
	97	}
	98
	99	U_BOOT_CMD(mon_power, 3, 0, do_mon_power,
	100	"Power On/Off secondary core",
	101	"mon_power <coreid> <oper>\n"
	102	"- coreid (1-3) and oper (1 - ON, 0 - OFF)\n"
	103	""
	104	);