diff options
Diffstat (limited to 'drivers/misc/imx8ulp/s400_api.c')
| -rw-r--r-- | drivers/misc/imx8ulp/s400_api.c | 244 |
1 files changed, 244 insertions, 0 deletions
diff --git a/drivers/misc/imx8ulp/s400_api.c b/drivers/misc/imx8ulp/s400_api.c new file mode 100644 index 0000000000..d76a95febe --- /dev/null +++ b/drivers/misc/imx8ulp/s400_api.c @@ -0,0 +1,244 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2020 NXP + * + */ + +#include <common.h> +#include <hang.h> +#include <malloc.h> +#include <asm/io.h> +#include <dm.h> +#include <asm/arch/s400_api.h> +#include <misc.h> + +DECLARE_GLOBAL_DATA_PTR; + +int ahab_release_rdc(u8 core_id, bool xrdc, u32 *response) +{ + struct udevice *dev = gd->arch.s400_dev; + int size = sizeof(struct imx8ulp_s400_msg); + struct imx8ulp_s400_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 = AHAB_RELEASE_RDC_REQ_CID; + if (xrdc) + msg.data[0] = (0x78 << 8) | core_id; + else + msg.data[0] = (0x74 << 8) | core_id; + + 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 imx8ulp_s400_msg); + struct imx8ulp_s400_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 = AHAB_AUTH_OEM_CTNR_CID; + 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 imx8ulp_s400_msg); + struct imx8ulp_s400_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 = AHAB_RELEASE_CTNR_CID; + + 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 imx8ulp_s400_msg); + struct imx8ulp_s400_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 = AHAB_VERIFY_IMG_CID; + 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 imx8ulp_s400_msg); + struct imx8ulp_s400_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 = AHAB_FWD_LIFECYCLE_UP_REQ_CID; + 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 imx8ulp_s400_msg); + struct imx8ulp_s400_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 = AHAB_READ_FUSE_REQ_CID; + 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 imx8ulp_s400_msg); + struct imx8ulp_s400_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 = AHAB_WRITE_FUSE_REQ_CID; + 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; +} |