musca_b.c

00001 /**
00002  * @file    musca_b.c
00003  * @brief   board ID for the ARM MUSCA B board
00004  *
00005  * DAPLink Interface Firmware
00006  * Copyright (c) 2009-2019, ARM Limited, All Rights Reserved
00007  * SPDX-License-Identifier: Apache-2.0
00008  *
00009  * Licensed under the Apache License, Version 2.0 (the "License"); you may
00010  * not use this file except in compliance with the License.
00011  * You may obtain a copy of the License at
00012  *
00013  * http://www.apache.org/licenses/LICENSE-2.0
00014  *
00015  * Unless required by applicable law or agreed to in writing, software
00016  * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
00017  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00018  * See the License for the specific language governing permissions and
00019  * limitations under the License.
00020  */
00021 
00022 #include "stdbool.h"
00023 #include "virtual_fs.h"
00024 #include "flash_manager.h"
00025 #include "IO_Config.h"
00026 #include "target_board.h"
00027 #include "target_family.h"
00028 #include "power_ctrl.h"
00029 
00030 uint8_t gpio_get_pbon_btn()
00031 {
00032     return LPC_GPIO->PIN[PIN_PBON_PORT] & PIN_PBON ? 0 : 1;
00033 }
00034 
00035 static void prerun_board_config(void)
00036 {
00037     /* configure MUSCA specific gpio */
00038     // configure PBON as input
00039     PIN_PBON_IOCON = PIN_PBON_IOCON_INIT;
00040     LPC_GPIO->DIR[PIN_PBON_PORT] &= ~PIN_PBON;
00041     // configure PWROK as output
00042     PIN_PWROK_IOCON = PIN_PWROK_IOCON_INIT;
00043     LPC_GPIO->CLR[PIN_PWROK_PORT] = PIN_PWROK;
00044     LPC_GPIO->DIR[PIN_PWROK_PORT] |= PIN_PWROK;
00045     // configure SHUTDOWN as input
00046     PIN_SHUTDOWN_IOCON = PIN_SHUTDOWN_IOCON_INIT;
00047     LPC_GPIO->DIR[PIN_SHUTDOWN_PORT] &= ~PIN_SHUTDOWN;
00048     // configure CB_nRST as output
00049     PIN_CB_nRST_IOCON = PIN_CB_nRST_IOCON_INIT;
00050     LPC_GPIO->CLR[PIN_CB_nRST_PORT] = PIN_CB_nRST;
00051     LPC_GPIO->DIR[PIN_CB_nRST_PORT] |= PIN_CB_nRST;
00052     // configure CFG_nRST as output
00053     PIN_CFG_nRST_IOCON = PIN_CFG_nRST_IOCON_INIT;
00054     LPC_GPIO->CLR[PIN_CFG_nRST_PORT] = PIN_CFG_nRST;
00055     LPC_GPIO->DIR[PIN_CFG_nRST_PORT] |= PIN_CFG_nRST;
00056     // configure SCC_LOAD as output
00057     PIN_SCC_LOAD_IOCON = PIN_SCC_LOAD_IOCON_INIT;
00058     LPC_GPIO->CLR[PIN_SCC_LOAD_PORT] = PIN_SCC_LOAD;
00059     LPC_GPIO->DIR[PIN_SCC_LOAD_PORT] |= PIN_SCC_LOAD;
00060     // configure SCC_WNR as output
00061     PIN_SCC_WNR_IOCON = PIN_SCC_WNR_IOCON_INIT;
00062     LPC_GPIO->CLR[PIN_SCC_WNR_PORT] = PIN_SCC_WNR;
00063     LPC_GPIO->DIR[PIN_SCC_WNR_PORT] |= PIN_SCC_WNR;
00064     // configure SCC_DATAIN as output
00065     PIN_SCC_DATAIN_IOCON = PIN_SCC_DATAIN_IOCON_INIT;
00066     LPC_GPIO->CLR[PIN_SCC_DATAIN_PORT] = PIN_SCC_DATAIN;
00067     LPC_GPIO->DIR[PIN_SCC_DATAIN_PORT] |= PIN_SCC_DATAIN;
00068     // configure SCC_CLK as output
00069     PIN_SCC_CLK_IOCON = PIN_SCC_CLK_IOCON_INIT;
00070     LPC_GPIO->CLR[PIN_SCC_CLK_PORT] = PIN_SCC_CLK;
00071     LPC_GPIO->DIR[PIN_SCC_CLK_PORT] |= PIN_SCC_CLK;
00072     // configure SCC_DATAOUT as input
00073     PIN_SCC_DATAOUT_IOCON = PIN_SCC_DATAOUT_IOCON_INIT;
00074     LPC_GPIO->DIR[PIN_SCC_DATAOUT_PORT] &= ~PIN_SCC_DATAOUT;
00075     // configure CS_nDET as input
00076     PIN_CS_nDET_IOCON = PIN_CS_nDET_IOCON_INIT;
00077     LPC_GPIO->DIR[PIN_CS_nDET_PORT] &= ~PIN_CS_nDET;
00078     // configure PIN_I2C_SCL as OC output
00079     PIN_I2C_SCL_IOCON = PIN_I2C_SCL_IOCON_INIT;
00080     LPC_GPIO->DIR[PIN_I2C_SCL_PORT] &= ~PIN_I2C_SCL;
00081     // configure PIN_I2C_SDA as OC output
00082     PIN_I2C_SDA_IOCON = PIN_I2C_SDA_IOCON_INIT;
00083     LPC_GPIO->DIR[PIN_I2C_SDA_PORT] &= ~PIN_I2C_SDA;
00084 
00085     // Setup I2CIO expander
00086     i2cio_init();
00087 
00088     PIN_USART_IOCON = PIN_USART_IOCON_INIT;
00089 
00090     // Turn ON power
00091     i2cio_power_on();
00092 
00093     power_on_sequence();
00094 
00095     flash_manager_set_page_erase(true);
00096 }
00097 
00098 const board_info_t g_board_info = {
00099     .board_id = "5007",
00100     .daplink_drive_name =     "MBED       ",
00101     .target_cfg = &target_device,
00102     .prerun_board_config = prerun_board_config,
00103 };