1 files changed, 594 insertions, 0 deletions
diff --git a/drivers/misc/sentinel/s400_api.c b/drivers/misc/sentinel/s400_api.c
new file mode 100644
index 0000000000..baab9b2c9b
--- /dev/null
+++ b/drivers/misc/sentinel/s400_api.c
@@ -0,0 +1,594 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright 2020, 2022 NXP
+ *
+ */
+
+#include <common.h>
+#include <hang.h>
+#include <malloc.h>
+#include <asm/io.h>
+#include <dm.h>
+#include <asm/mach-imx/s400_api.h>
+#include <misc.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+static uint32_t compute_crc(const struct sentinel_msg *msg)
+{
+	u32 crc = 0;
+	size_t i = 0;
+	u32 *data = (u32 *)msg;
+
+	for (i = 0; i < (msg->size - 1); i++)
+		crc ^= data[i];
+
+	return crc;
+}
+
+int ahab_release_rdc(u8 core_id, u8 xrdc, u32 *response)
+{
+	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 = 2;
+	msg.command = ELE_RELEASE_RDC_REQ;
+	switch (xrdc) {
+	case 0:
+		msg.data[0] = (0x74 << 8) | core_id;
+		break;
+	case 1:
+		msg.data[0] = (0x78 << 8) | core_id;
+		break;
+	case 2:
+		msg.data[0] = (0x82 << 8) | core_id;
+		break;
+	case 3:
+		msg.data[0] = (0x86 << 8) | core_id;
+		break;
+	default:
+		printf("Error: wrong xrdc index %u\n", xrdc);
+		return -EINVAL;
+	}
+
+	ret = misc_call(dev, false, &msg, size, &msg, size);
+	if (ret)
+		printf("Error: %s: ret %d, core id %u, response 0x%x\n",
+		       __func__, ret, core_id, msg.data[0]);
+
+	if (response)
+		*response = msg.data[0];
+
+	return ret;
+}
+
+int ahab_auth_oem_ctnr(ulong ctnr_addr, u32 *response)
+{
+	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 = 3;
+	msg.command = ELE_OEM_CNTN_AUTH_REQ;
+	msg.data[0] = upper_32_bits(ctnr_addr);
+	msg.data[1] = lower_32_bits(ctnr_addr);
+
+	ret = misc_call(dev, false, &msg, size, &msg, size);
+	if (ret)
+		printf("Error: %s: ret %d, cntr_addr 0x%lx, response 0x%x\n",
+		       __func__, ret, ctnr_addr, msg.data[0]);
+
+	if (response)
+		*response = msg.data[0];
+
+	return ret;
+}
+
+int ahab_release_container(u32 *response)
+{
+	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 = ELE_RELEASE_CONTAINER_REQ;
+
+	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]);
+
+	if (response)
+		*response = msg.data[0];
+
+	return ret;
+}
+
+int ahab_verify_image(u32 img_id, u32 *response)
+{
+	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 = 2;
+	msg.command = ELE_VERIFY_IMAGE_REQ;
+	msg.data[0] = 1 << img_id;
+
+	ret = misc_call(dev, false, &msg, size, &msg, size);
+	if (ret)
+		printf("Error: %s: ret %d, img_id %u, response 0x%x\n",
+		       __func__, ret, img_id, msg.data[0]);
+
+	if (response)
+		*response = msg.data[0];
+
+	return ret;
+}
+
+int ahab_forward_lifecycle(u16 life_cycle, u32 *response)
+{
+	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 = 2;
+	msg.command = ELE_FWD_LIFECYCLE_UP_REQ;
+	msg.data[0] = life_cycle;
+
+	ret = misc_call(dev, false, &msg, size, &msg, size);
+	if (ret)
+		printf("Error: %s: ret %d, life_cycle 0x%x, response 0x%x\n",
+		       __func__, ret, life_cycle, msg.data[0]);
+
+	if (response)
+		*response = msg.data[0];
+
+	return ret;
+}
+
+int ahab_read_common_fuse(u16 fuse_id, u32 *fuse_words, u32 fuse_num, u32 *response)
+{
+	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;
+	}
+
+	if (!fuse_words) {
+		printf("Invalid parameters for fuse read\n");
+		return -EINVAL;
+	}
+
+	if ((fuse_id != 1 && fuse_num != 1) ||
+	    (fuse_id == 1 && fuse_num != 4)) {
+		printf("Invalid fuse number parameter\n");
+		return -EINVAL;
+	}
+
+	msg.version = AHAB_VERSION;
+	msg.tag = AHAB_CMD_TAG;
+	msg.size = 2;
+	msg.command = ELE_READ_FUSE_REQ;
+	msg.data[0] = fuse_id;
+
+	ret = misc_call(dev, false, &msg, size, &msg, size);
+	if (ret)
+		printf("Error: %s: ret %d, fuse_id 0x%x, response 0x%x\n",
+		       __func__, ret, fuse_id, msg.data[0]);
+
+	if (response)
+		*response = msg.data[0];
+
+	fuse_words[0] = msg.data[1];
+	if (fuse_id == 1) {
+		/* OTP_UNIQ_ID */
+		fuse_words[1] = msg.data[2];
+		fuse_words[2] = msg.data[3];
+		fuse_words[3] = msg.data[4];
+	}
+
+	return ret;
+}
+
+int ahab_write_fuse(u16 fuse_id, u32 fuse_val, bool lock, u32 *response)
+{
+	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 = 3;
+	msg.command = ELE_WRITE_FUSE_REQ;
+	msg.data[0] = (32 << 16) | (fuse_id << 5);
+	if (lock)
+		msg.data[0] |= (1 << 31);
+
+	msg.data[1] = fuse_val;
+
+	ret = misc_call(dev, false, &msg, size, &msg, size);
+	if (ret)
+		printf("Error: %s: ret %d, fuse_id 0x%x, response 0x%x\n",
+		       __func__, ret, fuse_id, msg.data[0]);
+
+	if (response)
+		*response = msg.data[0];
+
+	return ret;
+}
+
+int ahab_release_caam(u32 core_did, u32 *response)
+{
+	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 = 2;
+	msg.command = ELE_RELEASE_CAAM_REQ;
+	msg.data[0] = core_did;
+
+	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]);
+
+	if (response)
+		*response = msg.data[0];
+
+	return ret;
+}
+
+int ahab_get_fw_version(u32 *fw_version, u32 *sha1, u32 *response)
+{
+	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;
+	}
+
+	if (!fw_version) {
+		printf("Invalid parameters for f/w version read\n");
+		return -EINVAL;
+	}
+
+	if (!sha1) {
+		printf("Invalid parameters for commit sha1\n");
+		return -EINVAL;
+	}
+
+	msg.version = AHAB_VERSION;
+	msg.tag = AHAB_CMD_TAG;
+	msg.size = 1;
+	msg.command = ELE_GET_FW_VERSION_REQ;
+
+	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]);
+
+	if (response)
+		*response = msg.data[0];
+
+	*fw_version = msg.data[1];
+	*sha1 = msg.data[2];
+
+	return ret;
+}
+
+int ahab_dump_buffer(u32 *buffer, u32 buffer_length)
+{
+	struct udevice *dev = gd->arch.s400_dev;
+	int size = sizeof(struct sentinel_msg);
+	struct sentinel_msg msg;
+	int ret, i = 0;
+
+	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 = ELE_DUMP_DEBUG_BUFFER_REQ;
+
+	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;
+	}
+
+	if (buffer){
+		buffer[i++] = *(u32 *)&msg; /* Need dump the response header */
+		for (; i < buffer_length && i < msg.size; i++) {
+			buffer[i] = msg.data[i - 1];
+		}
+	}
+
+	return i;
+}
+
+int ahab_get_info(struct sentinel_get_info_data *info, u32 *response)
+{
+	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 = 4;
+	msg.command = ELE_GET_INFO_REQ;
+	msg.data[0] = upper_32_bits((ulong)info);
+	msg.data[1] = lower_32_bits((ulong)info);
+	msg.data[2] = sizeof(struct sentinel_get_info_data);
+
+	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]);
+
+	if (response)
+		*response = msg.data[0];
+
+	return ret;
+}
+
+int ahab_get_fw_status(u32 *status, u32 *response)
+{
+	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 = ELE_GET_FW_STATUS_REQ;
+
+	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]);
+
+	if (response)
+		*response = msg.data[0];
+
+	*status = msg.data[1] & 0xF;
+
+	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 = ELE_ENABLE_RTC_REQ;
+
+	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;
+}
+
+int ahab_get_events(u32 *events, u32 *events_cnt, u32 *response)
+{
+	struct udevice *dev = gd->arch.s400_dev;
+	int size = sizeof(struct sentinel_msg);
+	struct sentinel_msg msg;
+	int ret, i = 0;
+	u32 actual_events;
+
+	if (!dev) {
+		printf("s400 dev is not initialized\n");
+		return -ENODEV;
+	}
+
+	if (!events || !events_cnt || *events_cnt == 0) {
+		printf("Invalid parameters for %s\n", __func__);
+		return -EINVAL;
+	}
+
+	msg.version = AHAB_VERSION;
+	msg.tag = AHAB_CMD_TAG;
+	msg.size = 1;
+	msg.command = ELE_GET_EVENTS_REQ;
+
+	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]);
+
+	if (response)
+		*response = msg.data[0];
+
+	if (!ret) {
+		actual_events = msg.data[1] & 0xffff;
+		if (*events_cnt < actual_events)
+			actual_events = *events_cnt;
+
+		for (; i < actual_events; i++)
+			events[i] = msg.data[i + 2];
+
+		*events_cnt = actual_events;
+	}
+
+	return ret;
+}
+
+int ahab_start_rng(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 = ELE_START_RNG;
+
+	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;
+}
+
+int ahab_generate_dek_blob(u32 key_id, u32 src_paddr, u32 dst_paddr,
+			   u32 max_output_size)
+{
+	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 = 8;
+	msg.command = ELE_GENERATE_DEK_BLOB;
+	msg.data[0] = key_id;
+	msg.data[1] = 0x0;
+	msg.data[2] = src_paddr;
+	msg.data[3] = 0x0;
+	msg.data[4] = dst_paddr;
+	msg.data[5] = max_output_size;
+	msg.data[6] = compute_crc(&msg);
+
+	ret = misc_call(dev, false, &msg, size, &msg, size);
+	if (ret)
+		printf("Error: %s: ret 0x%x, response 0x%x\n",
+		       __func__, ret, msg.data[0]);
+
+	return ret;
+}
+
+int ahab_write_secure_fuse(ulong signed_msg_blk, u32 *response)
+{
+	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 = 3;
+	msg.command = ELE_WRITE_SECURE_FUSE_REQ;
+
+	msg.data[0] = upper_32_bits(signed_msg_blk);
+	msg.data[1] = lower_32_bits(signed_msg_blk);
+
+	ret = misc_call(dev, false, &msg, size, &msg, size);
+	if (ret)
+		printf("Error: %s: ret %d, response 0x%x, failed fuse row index %u\n",
+		       __func__, ret, msg.data[0], msg.data[1]);
+
+	if (response)
+		*response = msg.data[0];
+
+	return ret;
+}