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misc: s400_api: introduce ahab_release_m33_trout

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Introduce Sentinel API ahab_release_m33_trout to make sure sentinel
release M33 trout and make sure M33 could boot.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Peng Fan 2022-07-26 16:40:53 +08:00 committed by Stefano Babic
parent 625473d6ce
commit 2727245638
2 changed files with 26 additions and 0 deletions
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1
arch/arm/include/asm/mach-imx/s400_api.h
View File

@ -55,5 +55,6 @@ int ahab_get_fw_version(u32 *fw_version, u32 *sha1, u32 *response);
int ahab_dump_buffer(u32 *buffer, u32 buffer_length);
int ahab_get_info(struct sentinel_get_info_data *info, u32 *response);
int ahab_get_fw_status(u32 *status, u32 *response);
int ahab_release_m33_trout(void);
#endif

25
drivers/misc/sentinel/s400_api.c
View File

@ -420,3 +420,28 @@ int ahab_get_fw_status(u32 *status, u32 *response)
return ret;
}
int ahab_release_m33_trout(void)
{
struct udevice *dev = gd->arch.s400_dev;
int size = sizeof(struct sentinel_msg);
struct sentinel_msg msg;
int ret;
if (!dev) {
printf("s400 dev is not initialized\n");
return -ENODEV;
}
msg.version = AHAB_VERSION;
msg.tag = AHAB_CMD_TAG;
msg.size = 1;
msg.command = 0xd3;
ret = misc_call(dev, false, &msg, size, &msg, size);
if (ret)
printf("Error: %s: ret %d, response 0x%x\n",
__func__, ret, msg.data[0]);
return ret;
}