diff options
Diffstat (limited to 'tinyusb/hw/mcu/dialog/da1469x/src/hal_system_start.c')
| -rwxr-xr-x | tinyusb/hw/mcu/dialog/da1469x/src/hal_system_start.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/tinyusb/hw/mcu/dialog/da1469x/src/hal_system_start.c b/tinyusb/hw/mcu/dialog/da1469x/src/hal_system_start.c deleted file mode 100755 index bd246504..00000000 --- a/tinyusb/hw/mcu/dialog/da1469x/src/hal_system_start.c +++ /dev/null @@ -1,177 +0,0 @@ -/* - * Licensed to the Apache Software Foundation (ASF) under one - * or more contributor license agreements. See the NOTICE file - * distributed with this work for additional information - * regarding copyright ownership. The ASF licenses this file - * to you under the Apache License, Version 2.0 (the - * "License"); you may not use this file except in compliance - * with the License. You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, - * software distributed under the License is distributed on an - * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY - * KIND, either express or implied. See the License for the - * specific language governing permissions and limitations - * under the License. - */ - -#include <assert.h> -#include <stdint.h> -#include "mcu/mcu.h" -#include "mcu/da1469x_hal.h" -#include <flash_map/flash_map.h> -#include <mcu/da1469x_clock.h> -#if MCUBOOT_MYNEWT -#include "bootutil/bootutil.h" -#include "bootutil/image.h" -#include "bootutil/bootutil_log.h" -#include "mcu/da1469x_dma.h" -#include "mcu/da1469x_otp.h" -#endif - -#if MYNEWT_VAL(BOOT_CUSTOM_START) && MCUBOOT_MYNEWT -sec_text_ram_core -#endif -void __attribute__((naked)) -hal_system_start(void *img_start) -{ - uint32_t img_data_addr; - uint32_t *img_data; - - img_data_addr = MCU_MEM_QSPIF_M_START_ADDRESS + (uint32_t)img_start; - - assert(img_data_addr < MCU_MEM_QSPIF_M_END_ADDRESS); - - img_data = (uint32_t *)img_data_addr; - - asm volatile (".syntax unified \n" - /* 1st word is stack pointer */ - " msr msp, %0 \n" - /* 2nd word is a reset handler (image entry) */ - " bx %1 \n" - : /* no output */ - : "r" (img_data[0]), "r" (img_data[1])); -} - -void -hal_system_restart(void *img_start) -{ - uint32_t primask __attribute__((unused)); - int i; - - /* - * Disable interrupts, and leave them disabled. - * They get re-enabled when system starts coming back again. - */ - __HAL_DISABLE_INTERRUPTS(primask); - - for (i = 0; i < sizeof(NVIC->ICER) / sizeof(NVIC->ICER[0]); i++) { - NVIC->ICER[i] = 0xffffffff; - } - - hal_system_start(img_start); -} - -#if MYNEWT_VAL(BOOT_CUSTOM_START) && MCUBOOT_MYNEWT -#define IMAGE_TLV_AES_NONCE 0x50 -#define IMAGE_TLV_SECRET_ID 0x60 - -sec_text_ram_core void -boot_custom_start(uintptr_t flash_base, struct boot_rsp *rsp) -{ - int rc; - struct image_tlv_iter it; - const struct flash_area *fap; - uint32_t off; - uint16_t len; - uint16_t type; - uint8_t buf[8]; - uint8_t key; - uint32_t nonce[2]; - bool has_aes_nonce; - bool has_secret_id; - DMA_Type *dma_regs = DMA; - uint32_t jump_offset = rsp->br_image_off + rsp->br_hdr->ih_hdr_size; - - BOOT_LOG_INF("Custom initialization"); - - /* skip to booting if we are running nonsecure mode */ - if (!(CRG_TOP->SECURE_BOOT_REG & 0x1)) { - hal_system_start((void *)(flash_base + jump_offset)); - } - - rc = flash_area_open(flash_area_id_from_image_slot(0), &fap); - assert(rc == 0); - - rc = bootutil_tlv_iter_begin(&it, rsp->br_hdr, fap, IMAGE_TLV_ANY, true); - assert(rc == 0); - - has_aes_nonce = has_secret_id = false; - while (true) { - rc = bootutil_tlv_iter_next(&it, &off, &len, &type); - assert(rc >= 0); - - if (rc > 0) { - break; - } - - if (type == IMAGE_TLV_AES_NONCE) { - assert(len == 8); - - rc = flash_area_read(fap, off, buf, len); - assert(rc == 0); - - nonce[0] = __builtin_bswap32(*(uint32_t *)buf); - nonce[1] = __builtin_bswap32(*(uint32_t *)(buf + 4)); - has_aes_nonce = true; - } else if (type == IMAGE_TLV_SECRET_ID) { - assert(len == 4); - - rc = flash_area_read(fap, off, buf, len); - assert(rc == 0); - - key = buf[0]; - has_secret_id = true; - } - } - - assert(has_aes_nonce && has_secret_id && key <= 7); - - /* enable OTP clock and set in read mode */ - da1469x_clock_amba_enable(CRG_TOP_CLK_AMBA_REG_OTP_ENABLE_Msk); - da1469x_otp_set_mode(OTPC_MODE_READ); - - /* disable decrypt on the fly and program start and end addresses */ - QSPIC->QSPIC_CTR_CTRL_REG = 0; - QSPIC->QSPIC_CTR_SADDR_REG = jump_offset; - QSPIC->QSPIC_CTR_EADDR_REG = QSPIC->QSPIC_CTR_SADDR_REG + - rsp->br_hdr->ih_img_size - 1; - - /* securely DMA hardware key from secret storage to QSPI decrypt engine */ - dma_regs->DMA_REQ_MUX_REG |= 0xf000; - dma_regs->DMA7_LEN_REG = 8; - dma_regs->DMA7_A_START_REG = MCU_OTPM_BASE + OTP_SEGMENT_QSPI_FW_KEYS + - (32 * key); - dma_regs->DMA7_B_START_REG = (uint32_t)&QSPIC->QSPIC_CTR_KEY_0_3_REG; - dma_regs->DMA7_CTRL_REG = DMA_DMA7_CTRL_REG_AINC_Msk | - DMA_DMA7_CTRL_REG_BINC_Msk | - (MCU_DMA_BUS_WIDTH_4B << DMA_DMA7_CTRL_REG_BW_Pos) | - DMA_DMA7_CTRL_REG_DMA_ON_Msk; - while (dma_regs->DMA7_IDX_REG != 8); - - /* program NONCE */ - QSPIC->QSPIC_CTR_NONCE_0_3_REG = nonce[0]; - QSPIC->QSPIC_CTR_NONCE_4_7_REG = nonce[1]; - - /* turn back on decrypt on the fly */ - QSPIC->QSPIC_CTR_CTRL_REG = 1; - - /* set OTP to standby and turn off clock */ - da1469x_otp_set_mode(OTPC_MODE_STBY); - da1469x_clock_amba_disable(CRG_TOP_CLK_AMBA_REG_OTP_ENABLE_Msk); - - hal_system_start((void *)(flash_base + jump_offset)); -} -#endif |