| /* ------------------------------------------ |
| * Copyright (c) 2016, Synopsys, Inc. All rights reserved. |
| |
| * Redistribution and use in source and binary forms, with or without modification, |
| * are permitted provided that the following conditions are met: |
| |
| * 1) Redistributions of source code must retain the above copyright notice, this |
| * list of conditions and the following disclaimer. |
| |
| * 2) Redistributions in binary form must reproduce the above copyright notice, |
| * this list of conditions and the following disclaimer in the documentation and/or |
| * other materials provided with the distribution. |
| |
| * 3) Neither the name of the Synopsys, Inc., nor the names of its contributors may |
| * be used to endorse or promote products derived from this software without |
| * specific prior written permission. |
| |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND |
| * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR |
| * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * \version 2016.05 |
| * \date 2014-07-03 |
| * \author Huaqi Fang(Huaqi.Fang@synopsys.com) |
| --------------------------------------------- */ |
| |
| /** |
| * \defgroup BOARD_EMSK_DRV_DW_UART_OBJ EMSK DW UART Object |
| * \ingroup BOARD_EMSK_DRIVER |
| * \brief EMSK Designware UART Objects |
| * \details |
| * Realize the EMSK board uart object using Designware uart device driver, |
| * only need to realize some Designware uart structures combine with EMSK uart |
| * hardware resource. just like cpp class instantiation. |
| */ |
| |
| /** |
| * \file |
| * \ingroup BOARD_EMSK_DRV_DW_UART_OBJ |
| * \brief designware uart object instantiation on emsk |
| */ |
| |
| /** |
| * \addtogroup BOARD_EMSK_DRV_DW_UART_OBJ |
| * @{ |
| */ |
| #include "inc/arc/arc.h" |
| #include "inc/arc/arc_builtin.h" |
| #include "inc/embARC_toolchain.h" |
| #include "inc/embARC_error.h" |
| |
| #include "inc/arc/arc_exception.h" |
| #include "device/designware/uart/dw_uart.h" |
| #include "board/emsk/uart/dw_uart_obj.h" |
| |
| #include "board/emsk/emsk.h" |
| |
| #ifdef ARC_FEATURE_DMP_PERIPHERAL |
| #define PERIPHERAL_BASE ARC_FEATURE_DMP_PERIPHERAL |
| #else |
| #define PERIPHERAL_BASE _arc_aux_read(AUX_DMP_PERIPHERAL) |
| #endif |
| |
| #define DW_UART_FIFO_LEN 32 |
| |
| /** |
| * \name EMSK DesignWare UART 0 Object Instantiation |
| * @{ |
| */ |
| #if (USE_DW_UART_0) |
| static void dw_uart_0_isr(void *ptr); |
| #define DW_UART_0_RELBASE (REL_REGBASE_UART0) /*!< designware uart 0 relative baseaddr */ |
| #define DW_UART_0_INTNO (INTNO_UART0) /*!< designware uart 0 interrupt number */ |
| |
| DEV_UART dw_uart_0; /*!< designware uart object */ |
| DW_UART_CTRL dw_uart_0_ctrl = { /*!< designware uart 0 ctrl */ |
| 0, CLK_BUS_APB, DW_UART_0_INTNO, (INT_HANDLER)dw_uart_0_isr, |
| DW_UART_FIFO_LEN, DW_UART_FIFO_LEN, 0 |
| }; |
| |
| /** designware uart 0 open */ |
| static int32_t dw_uart_0_open (uint32_t baud) |
| { |
| return dw_uart_open(&dw_uart_0, baud); |
| } |
| /** designware uart 0 close */ |
| static int32_t dw_uart_0_close (void) |
| { |
| return dw_uart_close(&dw_uart_0); |
| } |
| /** designware uart 0 control */ |
| static int32_t dw_uart_0_control (uint32_t ctrl_cmd, void *param) |
| { |
| return dw_uart_control(&dw_uart_0, ctrl_cmd, param); |
| } |
| /** designware uart 0 write */ |
| static int32_t dw_uart_0_write (const void *data, uint32_t len) |
| { |
| return dw_uart_write(&dw_uart_0, data, len); |
| } |
| /** designware uart 0 close */ |
| static int32_t dw_uart_0_read (void *data, uint32_t len) |
| { |
| return dw_uart_read(&dw_uart_0, data, len); |
| } |
| /** designware uart 0 interrupt rountine */ |
| static void dw_uart_0_isr(void *ptr) |
| { |
| dw_uart_isr(&dw_uart_0, ptr); |
| } |
| /** install designware uart 0 to system */ |
| static void dw_uart_0_install(void) |
| { |
| uint32_t uart_abs_base = 0; |
| DEV_UART *dw_uart_ptr = &dw_uart_0; |
| DEV_UART_INFO *dw_uart_info_ptr = &(dw_uart_0.uart_info); |
| DW_UART_CTRL *dw_uart_ctrl_ptr = &dw_uart_0_ctrl; |
| |
| /** |
| * get absolute designware base address |
| */ |
| uart_abs_base = (uint32_t)PERIPHERAL_BASE + DW_UART_0_RELBASE; |
| dw_uart_ctrl_ptr->dw_uart_regbase = uart_abs_base; |
| |
| /** uart info init */ |
| dw_uart_info_ptr->uart_ctrl = (void *)dw_uart_ctrl_ptr; |
| dw_uart_info_ptr->opn_cnt = 0; |
| dw_uart_info_ptr->status = 0; |
| dw_uart_info_ptr->baudrate = UART_BAUDRATE_115200; /* default 115200bps */ |
| |
| /** uart dev init */ |
| dw_uart_ptr->uart_open = dw_uart_0_open; |
| dw_uart_ptr->uart_close = dw_uart_0_close; |
| dw_uart_ptr->uart_control = dw_uart_0_control; |
| dw_uart_ptr->uart_write = dw_uart_0_write; |
| dw_uart_ptr->uart_read = dw_uart_0_read; |
| |
| } |
| #endif /* USE_DW_UART_0 */ |
| /** @} end of name */ |
| |
| /** |
| * \name EMSK DesignWare UART 1 Object Instantiation |
| * @{ |
| */ |
| #if (USE_DW_UART_1) |
| static void dw_uart_1_isr(void *ptr); |
| #define DW_UART_1_RELBASE (REL_REGBASE_UART1) /*!< designware uart 1 relative baseaddr */ |
| #define DW_UART_1_INTNO (INTNO_UART1) /*!< designware uart 1 interrupt number */ |
| |
| DEV_UART dw_uart_1; /*!< designware uart 1 object */ |
| DW_UART_CTRL dw_uart_1_ctrl = { /*!< designware uart 1 ctrl */ |
| 0, CLK_BUS_APB, DW_UART_1_INTNO, (INT_HANDLER)dw_uart_1_isr, |
| DW_UART_FIFO_LEN, DW_UART_FIFO_LEN, 0 |
| }; |
| |
| /** designware uart 1 open */ |
| static int32_t dw_uart_1_open (uint32_t baud) |
| { |
| return dw_uart_open(&dw_uart_1, baud); |
| } |
| /** designware uart 1 close */ |
| static int32_t dw_uart_1_close (void) |
| { |
| return dw_uart_close(&dw_uart_1); |
| } |
| /** designware uart 1 control */ |
| static int32_t dw_uart_1_control (uint32_t ctrl_cmd, void *param) |
| { |
| return dw_uart_control(&dw_uart_1, ctrl_cmd, param); |
| } |
| /** designware uart 1 write */ |
| static int32_t dw_uart_1_write (const void *data, uint32_t len) |
| { |
| return dw_uart_write(&dw_uart_1, data, len); |
| } |
| /** designware uart 1 close */ |
| static int32_t dw_uart_1_read (void *data, uint32_t len) |
| { |
| return dw_uart_read(&dw_uart_1, data, len); |
| } |
| /** designware uart 1 interrupt routine */ |
| static void dw_uart_1_isr(void *ptr) |
| { |
| dw_uart_isr(&dw_uart_1, ptr); |
| } |
| /** install designware uart 1 to system */ |
| static void dw_uart_1_install(void) |
| { |
| uint32_t uart_abs_base = 0; |
| DEV_UART *dw_uart_ptr = &dw_uart_1; |
| DEV_UART_INFO *dw_uart_info_ptr = &(dw_uart_1.uart_info); |
| DW_UART_CTRL *dw_uart_ctrl_ptr = &dw_uart_1_ctrl; |
| |
| /** |
| * get absolute designware base address |
| */ |
| uart_abs_base = (uint32_t)PERIPHERAL_BASE + DW_UART_1_RELBASE; |
| dw_uart_ctrl_ptr->dw_uart_regbase = uart_abs_base; |
| |
| /** uart info init */ |
| dw_uart_info_ptr->uart_ctrl = (void *)dw_uart_ctrl_ptr; |
| dw_uart_info_ptr->opn_cnt = 0; |
| dw_uart_info_ptr->status = 0; |
| dw_uart_info_ptr->baudrate = UART_BAUDRATE_115200; /* default 115200bps */ |
| |
| /** uart dev init */ |
| dw_uart_ptr->uart_open = dw_uart_1_open; |
| dw_uart_ptr->uart_close = dw_uart_1_close; |
| dw_uart_ptr->uart_control = dw_uart_1_control; |
| dw_uart_ptr->uart_write = dw_uart_1_write; |
| dw_uart_ptr->uart_read = dw_uart_1_read; |
| } |
| #endif /* USE_DW_UART_1 */ |
| /** @} end of name */ |
| |
| /** get one designware device structure */ |
| DEV_UART_PTR uart_get_dev(int32_t uart_id) |
| { |
| static uint32_t install_flag = 0; |
| |
| /* intall device objects */ |
| if (install_flag == 0) { |
| install_flag = 1; |
| dw_uart_all_install(); |
| } |
| |
| switch (uart_id) { |
| #if (USE_DW_UART_0) |
| case DW_UART_0_ID: |
| return &dw_uart_0; |
| break; |
| #endif |
| #if (USE_DW_UART_1) |
| case DW_UART_1_ID: |
| return &dw_uart_1; |
| break; |
| #endif |
| default: |
| break; |
| } |
| return NULL; |
| } |
| |
| /** |
| * \brief install all uart objects |
| * \note \b MUST be called during system init |
| */ |
| void dw_uart_all_install(void) |
| { |
| #if (USE_DW_UART_0) |
| dw_uart_0_install(); |
| #endif |
| #if (USE_DW_UART_1) |
| dw_uart_1_install(); |
| #endif |
| } |
| |
| /** @} end of group BOARD_EMSK_DRV_DW_UART_OBJ */ |