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e6bdb8dfde
Add ELE APIs to support read and write shadow fuses Reviewed-by: Peng Fan <peng.fan@nxp.com> Signed-off-by: Ye Li <ye.li@nxp.com> Signed-off-by: Peng Fan <peng.fan@nxp.com>
796 lines
16 KiB
C
796 lines
16 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright 2020, 2023 NXP
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* Copyright 2024 Mathieu Othacehe <othacehe@gnu.org>
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*
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*/
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#include <asm/io.h>
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#include <asm/mach-imx/sys_proto.h>
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#include <asm/mach-imx/ele_api.h>
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#include <dm.h>
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#include <malloc.h>
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#include <memalign.h>
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#include <misc.h>
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DECLARE_GLOBAL_DATA_PTR;
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static u32 compute_crc(const struct ele_msg *msg)
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{
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u32 crc = 0;
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size_t i = 0;
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u32 *data = (u32 *)msg;
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for (i = 0; i < (msg->size - 1); i++)
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crc ^= data[i];
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return crc;
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}
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int ele_release_rdc(u8 core_id, u8 xrdc, u32 *response)
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{
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struct udevice *dev = gd->arch.ele_dev;
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int size = sizeof(struct ele_msg);
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struct ele_msg msg;
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int ret;
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if (!dev) {
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printf("ele dev is not initialized\n");
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return -ENODEV;
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}
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msg.version = ELE_VERSION;
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msg.tag = ELE_CMD_TAG;
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msg.size = 2;
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msg.command = ELE_RELEASE_RDC_REQ;
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switch (xrdc) {
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case 0:
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msg.data[0] = (0x74 << 8) | core_id;
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break;
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case 1:
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msg.data[0] = (0x78 << 8) | core_id;
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break;
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case 2:
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msg.data[0] = (0x82 << 8) | core_id;
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break;
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case 3:
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msg.data[0] = (0x86 << 8) | core_id;
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break;
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default:
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printf("Error: wrong xrdc index %u\n", xrdc);
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return -EINVAL;
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}
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ret = misc_call(dev, false, &msg, size, &msg, size);
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if (ret)
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printf("Error: %s: ret %d, core id %u, response 0x%x\n",
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__func__, ret, core_id, msg.data[0]);
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if (response)
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*response = msg.data[0];
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return ret;
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}
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int ele_auth_oem_ctnr(ulong ctnr_addr, u32 *response)
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{
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struct udevice *dev = gd->arch.ele_dev;
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int size = sizeof(struct ele_msg);
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struct ele_msg msg;
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int ret;
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if (!dev) {
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printf("ele dev is not initialized\n");
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return -ENODEV;
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}
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msg.version = ELE_VERSION;
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msg.tag = ELE_CMD_TAG;
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msg.size = 3;
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msg.command = ELE_OEM_CNTN_AUTH_REQ;
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msg.data[0] = upper_32_bits(ctnr_addr);
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msg.data[1] = lower_32_bits(ctnr_addr);
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ret = misc_call(dev, false, &msg, size, &msg, size);
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if (ret)
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printf("Error: %s: ret %d, cntr_addr 0x%lx, response 0x%x\n",
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__func__, ret, ctnr_addr, msg.data[0]);
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if (response)
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*response = msg.data[0];
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return ret;
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}
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int ele_release_container(u32 *response)
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{
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struct udevice *dev = gd->arch.ele_dev;
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int size = sizeof(struct ele_msg);
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struct ele_msg msg;
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int ret;
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if (!dev) {
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printf("ele dev is not initialized\n");
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return -ENODEV;
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}
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msg.version = ELE_VERSION;
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msg.tag = ELE_CMD_TAG;
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msg.size = 1;
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msg.command = ELE_RELEASE_CONTAINER_REQ;
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ret = misc_call(dev, false, &msg, size, &msg, size);
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if (ret)
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printf("Error: %s: ret %d, response 0x%x\n",
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__func__, ret, msg.data[0]);
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if (response)
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*response = msg.data[0];
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return ret;
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}
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int ele_verify_image(u32 img_id, u32 *response)
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{
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struct udevice *dev = gd->arch.ele_dev;
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int size = sizeof(struct ele_msg);
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struct ele_msg msg;
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int ret;
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if (!dev) {
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printf("ele dev is not initialized\n");
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return -ENODEV;
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}
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msg.version = ELE_VERSION;
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msg.tag = ELE_CMD_TAG;
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msg.size = 2;
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msg.command = ELE_VERIFY_IMAGE_REQ;
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msg.data[0] = 1 << img_id;
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ret = misc_call(dev, false, &msg, size, &msg, size);
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if (ret)
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printf("Error: %s: ret %d, img_id %u, response 0x%x\n",
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__func__, ret, img_id, msg.data[0]);
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if (response)
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*response = msg.data[0];
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return ret;
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}
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int ele_forward_lifecycle(u16 life_cycle, u32 *response)
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{
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struct udevice *dev = gd->arch.ele_dev;
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int size = sizeof(struct ele_msg);
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struct ele_msg msg;
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int ret;
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if (!dev) {
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printf("ele dev is not initialized\n");
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return -ENODEV;
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}
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msg.version = ELE_VERSION;
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msg.tag = ELE_CMD_TAG;
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msg.size = 2;
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msg.command = ELE_FWD_LIFECYCLE_UP_REQ;
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msg.data[0] = life_cycle;
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ret = misc_call(dev, false, &msg, size, &msg, size);
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if (ret)
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printf("Error: %s: ret %d, life_cycle 0x%x, response 0x%x\n",
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__func__, ret, life_cycle, msg.data[0]);
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if (response)
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*response = msg.data[0];
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return ret;
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}
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int ele_read_common_fuse(u16 fuse_id, u32 *fuse_words, u32 fuse_num, u32 *response)
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{
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struct udevice *dev = gd->arch.ele_dev;
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int size = sizeof(struct ele_msg);
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struct ele_msg msg;
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int ret;
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if (!dev) {
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printf("ele dev is not initialized\n");
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return -ENODEV;
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}
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if (!fuse_words) {
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printf("Invalid parameters for fuse read\n");
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return -EINVAL;
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}
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if (is_imx8ulp() && ((fuse_id != 1 && fuse_num != 1) || (fuse_id == 1 && fuse_num != 4))) {
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printf("Invalid fuse number parameter\n");
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return -EINVAL;
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}
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msg.version = ELE_VERSION;
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msg.tag = ELE_CMD_TAG;
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msg.size = 2;
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msg.command = ELE_READ_FUSE_REQ;
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msg.data[0] = fuse_id;
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ret = misc_call(dev, false, &msg, size, &msg, size);
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if (ret)
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printf("Error: %s: ret %d, fuse_id 0x%x, response 0x%x\n",
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__func__, ret, fuse_id, msg.data[0]);
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if (response)
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*response = msg.data[0];
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fuse_words[0] = msg.data[1];
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if (fuse_id == 1 && is_imx8ulp()) {
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/* OTP_UNIQ_ID */
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fuse_words[1] = msg.data[2];
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fuse_words[2] = msg.data[3];
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fuse_words[3] = msg.data[4];
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}
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return ret;
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}
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int ele_write_fuse(u16 fuse_id, u32 fuse_val, bool lock, u32 *response)
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{
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struct udevice *dev = gd->arch.ele_dev;
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int size = sizeof(struct ele_msg);
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struct ele_msg msg;
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int ret;
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if (!dev) {
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printf("ele dev is not initialized\n");
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return -ENODEV;
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}
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msg.version = ELE_VERSION;
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msg.tag = ELE_CMD_TAG;
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msg.size = 3;
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msg.command = ELE_WRITE_FUSE_REQ;
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msg.data[0] = (32 << 16) | (fuse_id << 5);
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if (lock)
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msg.data[0] |= (1 << 31);
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msg.data[1] = fuse_val;
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ret = misc_call(dev, false, &msg, size, &msg, size);
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if (ret)
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printf("Error: %s: ret %d, fuse_id 0x%x, response 0x%x\n",
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__func__, ret, fuse_id, msg.data[0]);
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if (response)
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*response = msg.data[0];
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return ret;
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}
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int ele_write_shadow_fuse(u32 fuse_id, u32 fuse_val, u32 *response)
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{
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struct udevice *dev = gd->arch.ele_dev;
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int size = sizeof(struct ele_msg);
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struct ele_msg msg;
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int ret;
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if (!dev) {
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printf("ele dev is not initialized\n");
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return -ENODEV;
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}
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msg.version = ELE_VERSION;
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msg.tag = ELE_CMD_TAG;
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msg.size = 3;
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msg.command = ELE_WRITE_SHADOW_REQ;
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msg.data[0] = fuse_id;
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msg.data[1] = fuse_val;
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ret = misc_call(dev, false, &msg, size, &msg, size);
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if (ret)
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printf("Error: %s: ret %d, fuse_id 0x%x, response 0x%x\n",
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__func__, ret, fuse_id, msg.data[0]);
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if (response)
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*response = msg.data[0];
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return ret;
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}
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int ele_read_shadow_fuse(u32 fuse_id, u32 *fuse_val, u32 *response)
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{
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struct udevice *dev = gd->arch.ele_dev;
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int size = sizeof(struct ele_msg);
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struct ele_msg msg = {};
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int ret;
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if (!dev) {
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printf("ele dev is not initialized\n");
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return -ENODEV;
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}
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if (!fuse_val) {
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printf("Invalid parameters for shadow read\n");
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return -EINVAL;
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}
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msg.version = ELE_VERSION;
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msg.tag = ELE_CMD_TAG;
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msg.size = 2;
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msg.command = ELE_READ_SHADOW_REQ;
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msg.data[0] = fuse_id;
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ret = misc_call(dev, false, &msg, size, &msg, size);
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if (ret)
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printf("Error: %s: ret %d, fuse_id 0x%x, response 0x%x\n",
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__func__, ret, fuse_id, msg.data[0]);
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if (response)
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*response = msg.data[0];
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*fuse_val = msg.data[1];
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return ret;
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}
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int ele_release_caam(u32 core_did, u32 *response)
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{
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struct udevice *dev = gd->arch.ele_dev;
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int size = sizeof(struct ele_msg);
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struct ele_msg msg;
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int ret;
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if (!dev) {
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printf("ele dev is not initialized\n");
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return -ENODEV;
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}
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msg.version = ELE_VERSION;
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msg.tag = ELE_CMD_TAG;
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msg.size = 2;
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msg.command = ELE_RELEASE_CAAM_REQ;
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msg.data[0] = core_did;
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ret = misc_call(dev, false, &msg, size, &msg, size);
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if (ret)
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printf("Error: %s: ret %d, response 0x%x\n",
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__func__, ret, msg.data[0]);
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if (response)
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*response = msg.data[0];
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return ret;
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}
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int ele_get_fw_version(u32 *fw_version, u32 *sha1, u32 *response)
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{
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struct udevice *dev = gd->arch.ele_dev;
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int size = sizeof(struct ele_msg);
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struct ele_msg msg;
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int ret;
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if (!dev) {
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printf("ele dev is not initialized\n");
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return -ENODEV;
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}
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if (!fw_version) {
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printf("Invalid parameters for f/w version read\n");
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return -EINVAL;
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}
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if (!sha1) {
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printf("Invalid parameters for commit sha1\n");
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return -EINVAL;
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}
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msg.version = ELE_VERSION;
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msg.tag = ELE_CMD_TAG;
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msg.size = 1;
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msg.command = ELE_GET_FW_VERSION_REQ;
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ret = misc_call(dev, false, &msg, size, &msg, size);
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if (ret)
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printf("Error: %s: ret %d, response 0x%x\n",
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__func__, ret, msg.data[0]);
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if (response)
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*response = msg.data[0];
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*fw_version = msg.data[1];
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*sha1 = msg.data[2];
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return ret;
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}
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int ele_dump_buffer(u32 *buffer, u32 buffer_length)
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{
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struct udevice *dev = gd->arch.ele_dev;
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int size = sizeof(struct ele_msg);
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struct ele_msg msg;
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int ret, i = 0;
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if (!dev) {
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printf("ele dev is not initialized\n");
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return -ENODEV;
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}
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msg.version = ELE_VERSION;
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msg.tag = ELE_CMD_TAG;
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msg.size = 1;
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msg.command = ELE_DUMP_DEBUG_BUFFER_REQ;
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ret = misc_call(dev, false, &msg, size, &msg, size);
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if (ret) {
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printf("Error: %s: ret %d, response 0x%x\n",
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__func__, ret, msg.data[0]);
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return ret;
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}
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if (buffer) {
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buffer[i++] = *(u32 *)&msg; /* Need dump the response header */
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for (; i < buffer_length && i < msg.size; i++)
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buffer[i] = msg.data[i - 1];
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}
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return i;
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}
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int ele_get_info(struct ele_get_info_data *info, u32 *response)
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{
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struct udevice *dev = gd->arch.ele_dev;
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int size = sizeof(struct ele_msg);
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struct ele_msg msg;
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int ret;
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if (!dev) {
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printf("ele dev is not initialized\n");
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return -ENODEV;
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}
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msg.version = ELE_VERSION;
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msg.tag = ELE_CMD_TAG;
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msg.size = 4;
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msg.command = ELE_GET_INFO_REQ;
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msg.data[0] = upper_32_bits((ulong)info);
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msg.data[1] = lower_32_bits((ulong)info);
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msg.data[2] = sizeof(struct ele_get_info_data);
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ret = misc_call(dev, false, &msg, size, &msg, size);
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if (ret)
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printf("Error: %s: ret %d, response 0x%x\n",
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__func__, ret, msg.data[0]);
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if (response)
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*response = msg.data[0];
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return ret;
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}
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int ele_get_fw_status(u32 *status, u32 *response)
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{
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struct udevice *dev = gd->arch.ele_dev;
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int size = sizeof(struct ele_msg);
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struct ele_msg msg;
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int ret;
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if (!dev) {
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printf("ele dev is not initialized\n");
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return -ENODEV;
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}
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msg.version = ELE_VERSION;
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msg.tag = ELE_CMD_TAG;
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msg.size = 1;
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msg.command = ELE_GET_FW_STATUS_REQ;
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ret = misc_call(dev, false, &msg, size, &msg, size);
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if (ret)
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printf("Error: %s: ret %d, response 0x%x\n",
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__func__, ret, msg.data[0]);
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if (response)
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*response = msg.data[0];
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*status = msg.data[1] & 0xF;
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return ret;
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}
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int ele_release_m33_trout(void)
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{
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struct udevice *dev = gd->arch.ele_dev;
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int size = sizeof(struct ele_msg);
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struct ele_msg msg;
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int ret;
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if (!dev) {
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printf("ele dev is not initialized\n");
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return -ENODEV;
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}
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msg.version = ELE_VERSION;
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msg.tag = ELE_CMD_TAG;
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msg.size = 1;
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msg.command = ELE_ENABLE_RTC_REQ;
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ret = misc_call(dev, false, &msg, size, &msg, size);
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if (ret)
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printf("Error: %s: ret %d, response 0x%x\n",
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__func__, ret, msg.data[0]);
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return ret;
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}
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int ele_get_events(u32 *events, u32 *events_cnt, u32 *response)
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{
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struct udevice *dev = gd->arch.ele_dev;
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int size = sizeof(struct ele_msg);
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struct ele_msg msg;
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int ret, i = 0;
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u32 actual_events;
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if (!dev) {
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printf("ele dev is not initialized\n");
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return -ENODEV;
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}
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if (!events || !events_cnt || *events_cnt == 0) {
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printf("Invalid parameters for %s\n", __func__);
|
|
return -EINVAL;
|
|
}
|
|
|
|
msg.version = ELE_VERSION;
|
|
msg.tag = ELE_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 ele_start_rng(void)
|
|
{
|
|
struct udevice *dev = gd->arch.ele_dev;
|
|
int size = sizeof(struct ele_msg);
|
|
struct ele_msg msg;
|
|
int ret;
|
|
|
|
if (!dev) {
|
|
printf("ele dev is not initialized\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
msg.version = ELE_VERSION;
|
|
msg.tag = ELE_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 ele_derive_huk(u8 *key, size_t key_size, u8 *seed, size_t seed_size)
|
|
{
|
|
struct udevice *dev = gd->arch.ele_dev;
|
|
struct ele_msg msg;
|
|
int msg_size = sizeof(struct ele_msg);
|
|
u8 *seed_aligned, *key_aligned;
|
|
int ret, size;
|
|
|
|
if (!dev) {
|
|
printf("ele dev is not initialized\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
if (key_size != 16 && key_size != 32) {
|
|
printf("key size can only be 16 or 32\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
if (seed_size >= (1U << 16) - 1) {
|
|
printf("seed size is too large\n");
|
|
return -EINVAL;
|
|
}
|
|
|
|
seed_aligned = memalign(ARCH_DMA_MINALIGN, seed_size);
|
|
if (!seed_aligned) {
|
|
printf("failed to alloc memory\n");
|
|
return -EINVAL;
|
|
}
|
|
memcpy(seed_aligned, seed, seed_size);
|
|
|
|
key_aligned = memalign(ARCH_DMA_MINALIGN, key_size);
|
|
if (!key_aligned) {
|
|
printf("failed to alloc memory\n");
|
|
ret = -EINVAL;
|
|
goto ret_seed;
|
|
}
|
|
|
|
size = ALIGN(seed_size, ARCH_DMA_MINALIGN);
|
|
flush_dcache_range((ulong)seed_aligned,
|
|
(ulong)seed_aligned + size);
|
|
|
|
size = ALIGN(key_size, ARCH_DMA_MINALIGN);
|
|
invalidate_dcache_range((ulong)key_aligned,
|
|
(ulong)key_aligned + size);
|
|
|
|
msg.version = ELE_VERSION;
|
|
msg.tag = ELE_CMD_TAG;
|
|
msg.size = 7;
|
|
msg.command = ELE_CMD_DERIVE_KEY;
|
|
msg.data[0] = upper_32_bits((ulong)key_aligned);
|
|
msg.data[1] = lower_32_bits((ulong)key_aligned);
|
|
msg.data[2] = upper_32_bits((ulong)seed_aligned);
|
|
msg.data[3] = lower_32_bits((ulong)seed_aligned);
|
|
msg.data[4] = seed_size << 16 | key_size;
|
|
msg.data[5] = compute_crc(&msg);
|
|
|
|
ret = misc_call(dev, false, &msg, msg_size, &msg, msg_size);
|
|
if (ret) {
|
|
printf("Error: %s: ret %d, response 0x%x\n",
|
|
__func__, ret, msg.data[0]);
|
|
goto ret_key;
|
|
}
|
|
|
|
invalidate_dcache_range((ulong)key_aligned,
|
|
(ulong)key_aligned + size);
|
|
memcpy(key, key_aligned, key_size);
|
|
|
|
ret_key:
|
|
free(key_aligned);
|
|
ret_seed:
|
|
free(seed_aligned);
|
|
|
|
return ret;
|
|
}
|
|
|
|
int ele_commit(u16 fuse_id, u32 *response, u32 *info_type)
|
|
{
|
|
struct udevice *dev = gd->arch.ele_dev;
|
|
int size = sizeof(struct ele_msg);
|
|
struct ele_msg msg;
|
|
int ret = 0;
|
|
|
|
if (!dev) {
|
|
printf("ele dev is not initialized\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
msg.version = ELE_VERSION;
|
|
msg.tag = ELE_CMD_TAG;
|
|
msg.size = 2;
|
|
msg.command = ELE_COMMIT_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];
|
|
|
|
if (info_type)
|
|
*info_type = msg.data[1];
|
|
|
|
return ret;
|
|
}
|
|
|
|
int ele_write_secure_fuse(ulong signed_msg_blk, u32 *response)
|
|
{
|
|
struct udevice *dev = gd->arch.ele_dev;
|
|
int size = sizeof(struct ele_msg);
|
|
struct ele_msg msg;
|
|
int ret;
|
|
|
|
if (!dev) {
|
|
printf("ele dev is not initialized\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
msg.version = ELE_VERSION;
|
|
msg.tag = ELE_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;
|
|
}
|
|
|
|
int ele_return_lifecycle_update(ulong signed_msg_blk, u32 *response)
|
|
{
|
|
struct udevice *dev = gd->arch.ele_dev;
|
|
int size = sizeof(struct ele_msg);
|
|
struct ele_msg msg;
|
|
int ret;
|
|
|
|
if (!dev) {
|
|
printf("ele dev is not initialized\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
msg.version = ELE_VERSION;
|
|
msg.tag = ELE_CMD_TAG;
|
|
msg.size = 3;
|
|
msg.command = ELE_RET_LIFECYCLE_UP_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;
|
|
}
|
|
|
|
int ele_generate_dek_blob(u32 key_id, u32 src_paddr, u32 dst_paddr, u32 max_output_size)
|
|
{
|
|
struct udevice *dev = gd->arch.ele_dev;
|
|
int size = sizeof(struct ele_msg);
|
|
struct ele_msg msg;
|
|
int ret;
|
|
|
|
if (!dev) {
|
|
printf("ele dev is not initialized\n");
|
|
return -ENODEV;
|
|
}
|
|
|
|
msg.version = ELE_VERSION;
|
|
msg.tag = ELE_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;
|
|
}
|