[people/ms/u-boot.git] / board / keymile / common / common.c

/*
 * (C) Copyright 2008
 * Heiko Schocher, DENX Software Engineering, hs@denx.de.
 *
 * (C) Copyright 2011
 * Holger Brunck, Keymile GmbH Hannover, holger.brunck@keymile.com
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include <common.h>
#include <ioports.h>
#include <command.h>
#include <malloc.h>
#include <cli_hush.h>
#include <net.h>
#include <netdev.h>
#include <asm/io.h>
#include <linux/ctype.h>

#if defined(CONFIG_POST)
#include "post.h"
#endif
#include "common.h"
#include <i2c.h>

DECLARE_GLOBAL_DATA_PTR;

/*
 * Set Keymile specific environment variables
 * Currently only some memory layout variables are calculated here
 * ... ------------------------------------------------
 * ... |@rootfsaddr |@pnvramaddr |@varaddr |@reserved |@END_OF_RAM
 * ... |<------------------- pram ------------------->|
 * ... ------------------------------------------------
 * @END_OF_RAM: denotes the RAM size
 * @pnvramaddr: Startadress of pseudo non volatile RAM in hex
 * @pram      : preserved ram size in k
 * @varaddr   : startadress for /var mounted into RAM
 */
int set_km_env(void)
{
	uchar buf[32];
	unsigned int pnvramaddr;
	unsigned int pram;
	unsigned int varaddr;
	unsigned int kernelmem;
	char *p;
	unsigned long rootfssize = 0;

	pnvramaddr = gd->ram_size - CONFIG_KM_RESERVED_PRAM - CONFIG_KM_PHRAM
			- CONFIG_KM_PNVRAM;
	sprintf((char *)buf, "0x%x", pnvramaddr);
	setenv("pnvramaddr", (char *)buf);

	/* try to read rootfssize (ram image) from environment */
	p = getenv("rootfssize");
	if (p != NULL)
		strict_strtoul(p, 16, &rootfssize);
	pram = (rootfssize + CONFIG_KM_RESERVED_PRAM + CONFIG_KM_PHRAM +
		CONFIG_KM_PNVRAM) / 0x400;
	sprintf((char *)buf, "0x%x", pram);
	setenv("pram", (char *)buf);

	varaddr = gd->ram_size - CONFIG_KM_RESERVED_PRAM - CONFIG_KM_PHRAM;
	sprintf((char *)buf, "0x%x", varaddr);
	setenv("varaddr", (char *)buf);

	kernelmem = gd->ram_size - 0x400 * pram;
	sprintf((char *)buf, "0x%x", kernelmem);
	setenv("kernelmem", (char *)buf);

	return 0;
}

#if defined(CONFIG_SYS_I2C_INIT_BOARD)
static void i2c_write_start_seq(void)
{
	set_sda(1);
	udelay(DELAY_HALF_PERIOD);
	set_scl(1);
	udelay(DELAY_HALF_PERIOD);
	set_sda(0);
	udelay(DELAY_HALF_PERIOD);
	set_scl(0);
	udelay(DELAY_HALF_PERIOD);
}

/*
 * I2C is a synchronous protocol and resets of the processor in the middle
 * of an access can block the I2C Bus until a powerdown of the full unit is
 * done. This function toggles the SCL until the SCL and SCA line are
 * released, but max. 16 times, after this a I2C start-sequence is sent.
 * This I2C Deblocking mechanism was developed by Keymile in association
 * with Anatech and Atmel in 1998.
 */
int i2c_make_abort(void)
{
	int	scl_state = 0;
	int	sda_state = 0;
	int	i = 0;
	int	ret = 0;

	if (!get_sda()) {
		ret = -1;
		while (i < 16) {
			i++;
			set_scl(0);
			udelay(DELAY_ABORT_SEQ);
			set_scl(1);
			udelay(DELAY_ABORT_SEQ);
			scl_state = get_scl();
			sda_state = get_sda();
			if (scl_state && sda_state) {
				ret = 0;
				break;
			}
		}
	}
	if (ret == 0)
		for (i = 0; i < 5; i++)
			i2c_write_start_seq();

	/* respect stop setup time */
	udelay(DELAY_ABORT_SEQ);
	set_scl(1);
	udelay(DELAY_ABORT_SEQ);
	set_sda(1);
	get_sda();

	return ret;
}

/**
 * i2c_init_board - reset i2c bus. When the board is powercycled during a
 * bus transfer it might hang; for details see doc/I2C_Edge_Conditions.
 */
void i2c_init_board(void)
{
	/* Now run the AbortSequence() */
	i2c_make_abort();
}
#endif

#if defined(CONFIG_KM_COMMON_ETH_INIT)
int board_eth_init(bd_t *bis)
{
	if (ethernet_present())
		return cpu_eth_init(bis);

	return -1;
}
#endif

/*
 * do_setboardid command
 * read out the board id and the hw key from the intventory EEPROM and set
 * this values as environment variables.
 */
static int do_setboardid(cmd_tbl_t *cmdtp, int flag, int argc,
				char *const argv[])
{
	unsigned char buf[32];
	char *p;

	p = get_local_var("IVM_BoardId");
	if (p == NULL) {
		printf("can't get the IVM_Boardid\n");
		return 1;
	}
	strcpy((char *)buf, p);
	setenv("boardid", (char *)buf);
	printf("set boardid=%s\n", buf);

	p = get_local_var("IVM_HWKey");
	if (p == NULL) {
		printf("can't get the IVM_HWKey\n");
		return 1;
	}
	strcpy((char *)buf, p);
	setenv("hwkey", (char *)buf);
	printf("set hwkey=%s\n", buf);
	printf("Execute manually saveenv for persistent storage.\n");

	return 0;
}

U_BOOT_CMD(km_setboardid, 1, 0, do_setboardid, "setboardid", "read out bid and "
				 "hwkey from IVM and set in environment");

/*
 * command km_checkbidhwk
 *	if "boardid" and "hwkey" are not already set in the environment, do:
 *		if a "boardIdListHex" exists in the environment:
 *			- read ivm data for boardid and hwkey
 *			- compare each entry of the boardIdListHex with the
 *				IVM data:
 *			if match:
 *				set environment variables boardid, boardId,
 *				hwkey, hwKey to	the found values
 *				both (boardid and boardId) are set because
 *				they might be used differently in the
 *				application and in the init scripts (?)
 *	return 0 in case of match, 1 if not match or error
 */
static int do_checkboardidhwk(cmd_tbl_t *cmdtp, int flag, int argc,
			char *const argv[])
{
	unsigned long ivmbid = 0, ivmhwkey = 0;
	unsigned long envbid = 0, envhwkey = 0;
	char *p;
	int verbose = argc > 1 && *argv[1] == 'v';
	int rc = 0;

	/*
	 * first read out the real inventory values, these values are
	 * already stored in the local hush variables
	 */
	p = get_local_var("IVM_BoardId");
	if (p == NULL) {
		printf("can't get the IVM_Boardid\n");
		return 1;
	}
	rc = strict_strtoul(p, 16, &ivmbid);

	p = get_local_var("IVM_HWKey");
	if (p == NULL) {
		printf("can't get the IVM_HWKey\n");
		return 1;
	}
	rc = strict_strtoul(p, 16, &ivmhwkey);

	if (!ivmbid || !ivmhwkey) {
		printf("Error: IVM_BoardId and/or IVM_HWKey not set!\n");
		return rc;
	}

	/* now try to read values from environment if available */
	p = getenv("boardid");
	if (p != NULL)
		rc = strict_strtoul(p, 16, &envbid);
	p = getenv("hwkey");
	if (p != NULL)
		rc = strict_strtoul(p, 16, &envhwkey);

	if (rc != 0) {
		printf("strict_strtoul returns error: %d", rc);
		return rc;
	}

	if (!envbid || !envhwkey) {
		/*
		 * BoardId/HWkey not available in the environment, so try the
		 * environment variable for BoardId/HWkey list
		 */
		char *bidhwklist = getenv("boardIdListHex");

		if (bidhwklist) {
			int found = 0;
			char *rest = bidhwklist;
			char *endp;

			if (verbose) {
				printf("IVM_BoardId: %ld, IVM_HWKey=%ld\n",
					ivmbid, ivmhwkey);
				printf("boardIdHwKeyList: %s\n",
					bidhwklist);
			}
			while (!found) {
				/* loop over each bid/hwkey pair in the list */
				unsigned long bid   = 0;
				unsigned long hwkey = 0;

				while (*rest && !isxdigit(*rest))
					rest++;
				/*
				 * use simple_strtoul because we need &end and
				 * we know we got non numeric char at the end
				 */
				bid = simple_strtoul(rest, &endp, 16);
				/* BoardId and HWkey are separated with a "_" */
				if (*endp == '_') {
					rest  = endp + 1;
					/*
					 * use simple_strtoul because we need
					 * &end
					 */
					hwkey = simple_strtoul(rest, &endp, 16);
					rest  = endp;
					while (*rest && !isxdigit(*rest))
						rest++;
				}
				if ((!bid) || (!hwkey)) {
					/* end of list */
					break;
				}
				if (verbose) {
					printf("trying bid=0x%lX, hwkey=%ld\n",
						bid, hwkey);
				}
				/*
				 * Compare the values of the found entry in the
				 * list with the valid values which are stored
				 * in the inventory eeprom. If they are equal
				 * set the values in environment variables.
				 */
				if ((bid == ivmbid) && (hwkey == ivmhwkey)) {
					char buf[10];

					found = 1;
					envbid   = bid;
					envhwkey = hwkey;
					sprintf(buf, "%lx", bid);
					setenv("boardid", buf);
					sprintf(buf, "%lx", hwkey);
					setenv("hwkey", buf);
				}
			} /* end while( ! found ) */
		}
	}

	/* compare now the values */
	if ((ivmbid == envbid) && (ivmhwkey == envhwkey)) {
		printf("boardid=0x%3lX, hwkey=%ld\n", envbid, envhwkey);
		rc = 0; /* match */
	} else {
		printf("Error: env boardid=0x%3lX, hwkey=%ld\n", envbid,
			envhwkey);
		printf("       IVM bId=0x%3lX, hwKey=%ld\n", ivmbid, ivmhwkey);
		rc = 1; /* don't match */
	}
	return rc;
}

U_BOOT_CMD(km_checkbidhwk, 2, 0, do_checkboardidhwk,
		"check boardid and hwkey",
		"[v]\n  - check environment parameter "\
		"\"boardIdListHex\" against stored boardid and hwkey "\
		"from the IVM\n    v: verbose output"
);

/*
 * command km_checktestboot
 *  if the testpin of the board is asserted, return 1
 *  *	else return 0
 */
static int do_checktestboot(cmd_tbl_t *cmdtp, int flag, int argc,
			char *const argv[])
{
	int testpin = 0;
	char *s = NULL;
	int testboot = 0;
	int verbose = argc > 1 && *argv[1] == 'v';

#if defined(CONFIG_POST)
	testpin = post_hotkeys_pressed();
#endif
	s = getenv("test_bank");
	/* when test_bank is not set, act as if testpin is not asserted */
	testboot = (testpin != 0) && (s);
	if (verbose) {
		printf("testpin   = %d\n", testpin);
		/* cppcheck-suppress nullPointer */
		printf("test_bank = %s\n", s ? s : "not set");
		printf("boot test app : %s\n", (testboot) ? "yes" : "no");
	}
	/* return 0 means: testboot, therefore we need the inversion */
	return !testboot;
}

U_BOOT_CMD(km_checktestboot, 2, 0, do_checktestboot,
		"check if testpin is asserted",
		"[v]\n  v - verbose output"
);
Commit	Line	Data
c2485364 HS	1	/*
	2	* (C) Copyright 2008
	3	* Heiko Schocher, DENX Software Engineering, hs@denx.de.
	4	*
4f745bf4 HB	5	* (C) Copyright 2011
	6	* Holger Brunck, Keymile GmbH Hannover, holger.brunck@keymile.com
	7	*
1a459660	8	* SPDX-License-Identifier: GPL-2.0+
c2485364 HS	9	*/
	10
	11	#include <common.h>
c2485364	12	#include <ioports.h>
a9417ce7	13	#include <command.h>
c2485364	14	#include <malloc.h>
eca86fad	15	#include <cli_hush.h>
210c8c00	16	#include <net.h>
62ddcf05	17	#include <netdev.h>
210c8c00	18	#include <asm/io.h>
92c91080	19	#include <linux/ctype.h>
c2485364	20
c1b3d841 TH	21	#if defined(CONFIG_POST)
	22	#include "post.h"
	23	#endif
4f745bf4	24	#include "common.h"
c2485364	25	#include <i2c.h>
c2485364	26
f1fef1d8	27	DECLARE_GLOBAL_DATA_PTR;
6c11aeaf	28
f1fef1d8 HS	29	/*
	30	* Set Keymile specific environment variables
	31	* Currently only some memory layout variables are calculated here
	32	* ... ------------------------------------------------
	33	* ... \|@rootfsaddr \|@pnvramaddr \|@varaddr \|@reserved \|@END_OF_RAM
	34	* ... \|<------------------- pram ------------------->\|
	35	* ... ------------------------------------------------
	36	* @END_OF_RAM: denotes the RAM size
	37	* @pnvramaddr: Startadress of pseudo non volatile RAM in hex
	38	* @pram : preserved ram size in k
	39	* @varaddr : startadress for /var mounted into RAM
	40	*/
	41	int set_km_env(void)
	42	{
	43	uchar buf[32];
	44	unsigned int pnvramaddr;
	45	unsigned int pram;
	46	unsigned int varaddr;
2a7714ce AH	47	unsigned int kernelmem;
	48	char *p;
	49	unsigned long rootfssize = 0;
f1fef1d8 HS	50
	51	pnvramaddr = gd->ram_size - CONFIG_KM_RESERVED_PRAM - CONFIG_KM_PHRAM
	52	- CONFIG_KM_PNVRAM;
	53	sprintf((char *)buf, "0x%x", pnvramaddr);
	54	setenv("pnvramaddr", (char *)buf);
	55
62a3b7dd	56	/* try to read rootfssize (ram image) from environment */
2a7714ce AH	57	p = getenv("rootfssize");
	58	if (p != NULL)
	59	strict_strtoul(p, 16, &rootfssize);
	60	pram = (rootfssize + CONFIG_KM_RESERVED_PRAM + CONFIG_KM_PHRAM +
	61	CONFIG_KM_PNVRAM) / 0x400;
f1fef1d8 HS	62	sprintf((char *)buf, "0x%x", pram);
	63	setenv("pram", (char *)buf);
	64
	65	varaddr = gd->ram_size - CONFIG_KM_RESERVED_PRAM - CONFIG_KM_PHRAM;
	66	sprintf((char *)buf, "0x%x", varaddr);
	67	setenv("varaddr", (char *)buf);
2a7714ce AH	68
	69	kernelmem = gd->ram_size - 0x400 * pram;
	70	sprintf((char *)buf, "0x%x", kernelmem);
	71	setenv("kernelmem", (char *)buf);
	72
f1fef1d8 HS	73	return 0;
	74	}
	75
e792affe	76	#if defined(CONFIG_SYS_I2C_INIT_BOARD)
6c11aeaf	77	static void i2c_write_start_seq(void)
c2485364	78	{
b11f53f3 HS	79	set_sda(1);
	80	udelay(DELAY_HALF_PERIOD);
	81	set_scl(1);
	82	udelay(DELAY_HALF_PERIOD);
	83	set_sda(0);
	84	udelay(DELAY_HALF_PERIOD);
	85	set_scl(0);
	86	udelay(DELAY_HALF_PERIOD);
c2485364 HS	87	}
c2485364 HS	88
b11f53f3 HS	89	/*
	90	* I2C is a synchronous protocol and resets of the processor in the middle
	91	* of an access can block the I2C Bus until a powerdown of the full unit is
	92	* done. This function toggles the SCL until the SCL and SCA line are
	93	* released, but max. 16 times, after this a I2C start-sequence is sent.
	94	* This I2C Deblocking mechanism was developed by Keymile in association
	95	* with Anatech and Atmel in 1998.
c2485364	96	*/
4f745bf4	97	int i2c_make_abort(void)
c2485364 HS	98	{
	99	int scl_state = 0;
	100	int sda_state = 0;
	101	int i = 0;
	102	int ret = 0;
	103
b11f53f3	104	if (!get_sda()) {
c2485364 HS	105	ret = -1;
	106	while (i < 16) {
	107	i++;
b11f53f3 HS	108	set_scl(0);
	109	udelay(DELAY_ABORT_SEQ);
	110	set_scl(1);
	111	udelay(DELAY_ABORT_SEQ);
	112	scl_state = get_scl();
	113	sda_state = get_sda();
c2485364 HS	114	if (scl_state && sda_state) {
	115	ret = 0;
	116	break;
	117	}
	118	}
	119	}
b11f53f3 HS	120	if (ret == 0)
b11f53f3 HS	121	for (i = 0; i < 5; i++)
6c11aeaf	122	i2c_write_start_seq();
b11f53f3	123
6c11aeaf HS	124	/* respect stop setup time */
	125	udelay(DELAY_ABORT_SEQ);
	126	set_scl(1);
	127	udelay(DELAY_ABORT_SEQ);
	128	set_sda(1);
b11f53f3	129	get_sda();
6c11aeaf	130
c2485364 HS	131	return ret;
c2485364 HS	132	}
c2485364	133
6c11aeaf HS	134	/**
	135	* i2c_init_board - reset i2c bus. When the board is powercycled during a
	136	* bus transfer it might hang; for details see doc/I2C_Edge_Conditions.
	137	*/
	138	void i2c_init_board(void)
	139	{
c2485364	140	/* Now run the AbortSequence() */
b11f53f3	141	i2c_make_abort();
c2485364	142	}
e792affe HB	143	#endif
e792affe HB	144
99f6249a	145	#if defined(CONFIG_KM_COMMON_ETH_INIT)
b11f53f3	146	int board_eth_init(bd_t *bis)
210c8c00	147	{
b11f53f3	148	if (ethernet_present())
62ddcf05 HS	149	return cpu_eth_init(bis);
	150
	151	return -1;
210c8c00	152	}
99f6249a	153	#endif
a9417ce7 HB	154
	155	/*
	156	* do_setboardid command
	157	* read out the board id and the hw key from the intventory EEPROM and set
	158	* this values as environment variables.
	159	*/
	160	static int do_setboardid(cmd_tbl_t *cmdtp, int flag, int argc,
	161	char *const argv[])
	162	{
	163	unsigned char buf[32];
	164	char *p;
	165
	166	p = get_local_var("IVM_BoardId");
	167	if (p == NULL) {
	168	printf("can't get the IVM_Boardid\n");
	169	return 1;
	170	}
192bc694	171	strcpy((char *)buf, p);
a9417ce7	172	setenv("boardid", (char *)buf);
9485e779	173	printf("set boardid=%s\n", buf);
a9417ce7 HB	174
	175	p = get_local_var("IVM_HWKey");
	176	if (p == NULL) {
	177	printf("can't get the IVM_HWKey\n");
	178	return 1;
	179	}
192bc694	180	strcpy((char *)buf, p);
a9417ce7	181	setenv("hwkey", (char *)buf);
9485e779 HB	182	printf("set hwkey=%s\n", buf);
9485e779 HB	183	printf("Execute manually saveenv for persistent storage.\n");
a9417ce7 HB	184
	185	return 0;
	186	}
	187
	188	U_BOOT_CMD(km_setboardid, 1, 0, do_setboardid, "setboardid", "read out bid and "
	189	"hwkey from IVM and set in environment");
92c91080 TH	190
	191	/*
	192	* command km_checkbidhwk
	193	* if "boardid" and "hwkey" are not already set in the environment, do:
	194	* if a "boardIdListHex" exists in the environment:
	195	* - read ivm data for boardid and hwkey
	196	* - compare each entry of the boardIdListHex with the
	197	* IVM data:
	198	* if match:
	199	* set environment variables boardid, boardId,
	200	* hwkey, hwKey to the found values
	201	* both (boardid and boardId) are set because
	202	* they might be used differently in the
	203	* application and in the init scripts (?)
	204	* return 0 in case of match, 1 if not match or error
	205	*/
283857da	206	static int do_checkboardidhwk(cmd_tbl_t *cmdtp, int flag, int argc,
92c91080 TH	207	char *const argv[])
	208	{
	209	unsigned long ivmbid = 0, ivmhwkey = 0;
	210	unsigned long envbid = 0, envhwkey = 0;
	211	char *p;
	212	int verbose = argc > 1 && *argv[1] == 'v';
	213	int rc = 0;
	214
	215	/*
	216	* first read out the real inventory values, these values are
	217	* already stored in the local hush variables
	218	*/
	219	p = get_local_var("IVM_BoardId");
	220	if (p == NULL) {
	221	printf("can't get the IVM_Boardid\n");
	222	return 1;
	223	}
	224	rc = strict_strtoul(p, 16, &ivmbid);
	225
	226	p = get_local_var("IVM_HWKey");
	227	if (p == NULL) {
	228	printf("can't get the IVM_HWKey\n");
	229	return 1;
	230	}
	231	rc = strict_strtoul(p, 16, &ivmhwkey);
	232
	233	if (!ivmbid \|\| !ivmhwkey) {
	234	printf("Error: IVM_BoardId and/or IVM_HWKey not set!\n");
	235	return rc;
	236	}
	237
	238	/* now try to read values from environment if available */
	239	p = getenv("boardid");
	240	if (p != NULL)
	241	rc = strict_strtoul(p, 16, &envbid);
	242	p = getenv("hwkey");
	243	if (p != NULL)
	244	rc = strict_strtoul(p, 16, &envhwkey);
	245
	246	if (rc != 0) {
	247	printf("strict_strtoul returns error: %d", rc);
	248	return rc;
	249	}
	250
	251	if (!envbid \|\| !envhwkey) {
	252	/*
	253	* BoardId/HWkey not available in the environment, so try the
	254	* environment variable for BoardId/HWkey list
	255	*/
	256	char *bidhwklist = getenv("boardIdListHex");
	257
	258	if (bidhwklist) {
	259	int found = 0;
	260	char *rest = bidhwklist;
	261	char *endp;
	262
	263	if (verbose) {
	264	printf("IVM_BoardId: %ld, IVM_HWKey=%ld\n",
	265	ivmbid, ivmhwkey);
	266	printf("boardIdHwKeyList: %s\n",
	267	bidhwklist);
	268	}
	269	while (!found) {
	270	/* loop over each bid/hwkey pair in the list */
271	unsigned long bid = 0;
272	unsigned long hwkey = 0;
273
274	while (rest && !isxdigit(rest))
275	rest++;
276	/*
277	* use simple_strtoul because we need &end and
278	* we know we got non numeric char at the end
279	*/
280	bid = simple_strtoul(rest, &endp, 16);
281	/* BoardId and HWkey are separated with a "_" */
282	if (*endp == '_') {
283	rest = endp + 1;
284	/*
285	* use simple_strtoul because we need
286	* &end
287	*/
288	hwkey = simple_strtoul(rest, &endp, 16);
289	rest = endp;
290	while (rest && !isxdigit(rest))
291	rest++;
292	}
293	if ((!bid) \|\| (!hwkey)) {
294	/* end of list */
295	break;
296	}
297	if (verbose) {
298	printf("trying bid=0x%lX, hwkey=%ld\n",
299	bid, hwkey);
300	}
301	/*
302	* Compare the values of the found entry in the
303	* list with the valid values which are stored
304	* in the inventory eeprom. If they are equal
ba8be32a	305	* set the values in environment variables.
92c91080 TH	306	*/
	307	if ((bid == ivmbid) && (hwkey == ivmhwkey)) {
	308	char buf[10];
	309
	310	found = 1;
	311	envbid = bid;
	312	envhwkey = hwkey;
	313	sprintf(buf, "%lx", bid);
	314	setenv("boardid", buf);
	315	sprintf(buf, "%lx", hwkey);
	316	setenv("hwkey", buf);
92c91080 TH	317	}
	318	} /* end while( ! found ) */
	319	}
	320	}
	321
	322	/* compare now the values */
	323	if ((ivmbid == envbid) && (ivmhwkey == envhwkey)) {
	324	printf("boardid=0x%3lX, hwkey=%ld\n", envbid, envhwkey);
	325	rc = 0; /* match */
	326	} else {
9485e779 HB	327	printf("Error: env boardid=0x%3lX, hwkey=%ld\n", envbid,
9485e779 HB	328	envhwkey);
92c91080 TH	329	printf(" IVM bId=0x%3lX, hwKey=%ld\n", ivmbid, ivmhwkey);
	330	rc = 1; /* don't match */
	331	}
	332	return rc;
	333	}
	334
	335	U_BOOT_CMD(km_checkbidhwk, 2, 0, do_checkboardidhwk,
	336	"check boardid and hwkey",
	337	"[v]\n - check environment parameter "\
	338	"\"boardIdListHex\" against stored boardid and hwkey "\
	339	"from the IVM\n v: verbose output"
	340	);
c1b3d841 TH	341
	342	/*
	343	* command km_checktestboot
	344	* if the testpin of the board is asserted, return 1
	345	* * else return 0
	346	*/
283857da	347	static int do_checktestboot(cmd_tbl_t *cmdtp, int flag, int argc,
c1b3d841 TH	348	char *const argv[])
	349	{
	350	int testpin = 0;
	351	char *s = NULL;
	352	int testboot = 0;
	353	int verbose = argc > 1 && *argv[1] == 'v';
	354
	355	#if defined(CONFIG_POST)
	356	testpin = post_hotkeys_pressed();
d3f1d6f4 HB	357	#endif
d3f1d6f4 HB	358	s = getenv("test_bank");
c1b3d841 TH	359	/* when test_bank is not set, act as if testpin is not asserted */
	360	testboot = (testpin != 0) && (s);
	361	if (verbose) {
	362	printf("testpin = %d\n", testpin);
0060517a	363	/* cppcheck-suppress nullPointer */
c1b3d841 TH	364	printf("test_bank = %s\n", s ? s : "not set");
	365	printf("boot test app : %s\n", (testboot) ? "yes" : "no");
	366	}
	367	/* return 0 means: testboot, therefore we need the inversion */
	368	return !testboot;
	369	}
	370
	371	U_BOOT_CMD(km_checktestboot, 2, 0, do_checktestboot,
	372	"check if testpin is asserted",
	373	"[v]\n v - verbose output"
	374	);