1 /***************************************************************************/ /**
2 * @file sl_platform.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 #include "sli_siwx917_soc.h"
30 #include "sl_device.h"
31 #include "sl_si91x_constants.h"
32 #include "sl_si91x_status.h"
33 #include "sl_si91x_core_utilities.h"
34 #include "sl_status.h"
35 #include "sl_constants.h"
36 #include <stdbool.h>
37 #if defined(SL_COMPONENT_CATALOG_PRESENT)
38 #include "sl_component_catalog.h"
39 #endif
40 #include "sl_board_configuration.h"
41 #include "rsi_rom_clks.h"
42
43 #if defined(SL_CATALOG_KERNEL_PRESENT)
44 #include "cmsis_os2.h"
45 #include "FreeRTOSConfig.h"
46 #endif
47
48 sl_status_t sli_si91x_submit_rx_pkt(void);
49 void sl_board_enable_vcom(void);
50 sl_status_t si91x_bootup_firmware(const uint8_t select_option);
51
sli_si91x_platform_init(void)52 void sli_si91x_platform_init(void)
53 {
54 #ifdef SLI_SI91X_MCU_COMMON_FLASH_MODE
55 /* Before NWP going to power save mode ,set m4ss_ref_clk_mux_ctrl ,tass_ref_clk_mux_ctrl,
56 AON domain power supply controls from NWP to M4 */
57 RSI_Set_Cntrls_To_M4();
58 #endif
59
60 // Enable DWT and cycle counting
61 CoreDebug->DEMCR |= 0x01000000;
62 DWT->CTRL |= 0x1;
63
64 #if (configUSE_TICKLESS_IDLE == 0)
65 SysTick_Config(SystemCoreClock / CONFIG_SYS_CLOCK_TICKS_PER_SEC);
66 // Set P2P Intr priority
67 NVIC_SetPriority(SysTick_IRQn, SYSTICK_INTR_PRI);
68 #endif
69 //On boot-up, verify the M4_wakeup_TA bit in the P2P status register and clearing the bit if it is set.
70 if (P2P_STATUS_REG & M4_wakeup_TA) {
71 P2P_STATUS_REG &= ~M4_wakeup_TA;
72 }
73 }
74
sl_board_enable_vcom(void)75 void sl_board_enable_vcom(void)
76 {
77 //empty function
78 }
79
si91x_bootup_firmware(const uint8_t select_option)80 sl_status_t si91x_bootup_firmware(const uint8_t select_option)
81 {
82 uint8_t skip_bootload_sequence = 0;
83 si91x_status_t retval = RSI_ERROR_NONE;
84
85 if (!(P2P_STATUS_REG & TA_is_active)) {
86 P2P_STATUS_REG |= M4_wakeup_TA;
87 skip_bootload_sequence = 1;
88 }
89 while (!(P2P_STATUS_REG & TA_is_active)) {
90 //loop is waiting for the TA to become active
91 }
92
93 if (!skip_bootload_sequence) {
94 do {
95 retval = rsi_waitfor_boardready();
96 if (retval == RSI_ERROR_NONE) {
97 break;
98 }
99 if ((retval < 0) && (retval != RSI_ERROR_WAITING_FOR_BOARD_READY) && (retval != RSI_ERROR_IN_OS_OPERATION)) {
100 return convert_si91x_status_to_sl_status(retval);
101 }
102 } while ((retval == RSI_ERROR_WAITING_FOR_BOARD_READY) || (retval == RSI_ERROR_IN_OS_OPERATION));
103 retval = rsi_select_option(select_option);
104 VERIFY_STATUS_AND_RETURN(convert_si91x_status_to_sl_status(retval));
105 }
106
107 // Update TX & RX DMA descriptor address
108 rsi_update_tx_dma_desc(skip_bootload_sequence);
109 rsi_update_rx_dma_desc();
110
111 #if SL_SI91X_FAST_FW_UP
112 status = rsi_set_fast_fw_up();
113 if (status != RSI_SUCCESS) {
114 SL_PRINTF(SL_DEVICE_INIT_SET_FAST_FIRMWARE_UP_ERROR, COMMON, LOG_ERROR, "status: %4x", status);
115 return status;
116 }
117 #endif
118
119 sli_m4_ta_interrupt_init();
120 if (!(M4SS_P2P_INTR_SET_REG & RX_BUFFER_VALID)) {
121 sli_si91x_submit_rx_pkt();
122 }
123
124 #if defined(SL_CATALOG_KERNEL_PRESENT)
125 osKernelInitialize();
126 #endif
127
128 return SL_STATUS_OK;
129 }
130
