1 /***************************************************************************/ /** 2 * @file rsi_hal_mcu_m4_ram.c 3 ******************************************************************************* 4 * # License 5 * <b>Copyright 2024 Silicon Laboratories Inc. www.silabs.com</b> 6 ******************************************************************************* 7 * 8 * SPDX-License-Identifier: Zlib 9 * 10 * The licensor of this software is Silicon Laboratories Inc. 11 * 12 * This software is provided 'as-is', without any express or implied 13 * warranty. In no event will the authors be held liable for any damages 14 * arising from the use of this software. 15 * 16 * Permission is granted to anyone to use this software for any purpose, 17 * including commercial applications, and to alter it and redistribute it 18 * freely, subject to the following restrictions: 19 * 20 * 1. The origin of this software must not be misrepresented; you must not 21 * claim that you wrote the original software. If you use this software 22 * in a product, an acknowledgment in the product documentation would be 23 * appreciated but is not required. 24 * 2. Altered source versions must be plainly marked as such, and must not be 25 * misrepresented as being the original software. 26 * 3. This notice may not be removed or altered from any source distribution. 27 * 28 ******************************************************************************/ 29 30 #if defined(SLI_SI917) || defined(SLI_SI915) 31 //! This file should be in RAM 32 #include "sl_device.h" 33 34 /*==================================================*/ 35 /** 36 * @fn void sl_mv_m4_app_from_flash_to_ram(int option) 37 * @brief Raise interrupt to NWP and poll for task done 38 * @param[in] option 39 * @param[out] none 40 */ 41 sl_mv_m4_app_from_flash_to_ram(int option)42void sl_mv_m4_app_from_flash_to_ram(int option) 43 { 44 45 //! Disable all interrupts 46 __disable_irq(); 47 48 if (option == UPGRADE_M4_IMAGE_OTA) { 49 //! Raise interrupt to NWP 50 raise_m4_to_ta_interrupt(UPGRADE_M4_IMAGE); 51 52 //! Poll for bit to clear 53 while (M4SS_P2P_INTR_CLR_REG & UPGRADE_M4_IMAGE) 54 ; 55 } else if (option == TA_WRITES_ON_COMM_FLASH) { 56 //! Raise interrupt to NWP 57 raise_m4_to_ta_interrupt(M4_WAITING_FOR_TA_TO_WR_ON_FLASH); 58 59 //! Poll for bit to clear 60 while (M4SS_P2P_INTR_CLR_REG & M4_WAITING_FOR_TA_TO_WR_ON_FLASH) 61 ; 62 } else if (option == M4_WAIT_FOR_NWP_DEINIT) { 63 //! Raise interrupt to NWP 64 raise_m4_to_ta_interrupt(M4_WAITING_FOR_TA_DEINIT); 65 66 //! Poll for bit to clear 67 while (M4SS_P2P_INTR_CLR_REG & M4_WAITING_FOR_TA_DEINIT) 68 ; 69 } 70 71 //! Enable all interrupts 72 __enable_irq(); 73 } 74 75 #endif 76
