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bsp: k230: add hardlock driver
This hardlock is required by some other drivers, such as sysctl power. This driver can be enable/disabled by configuration. Signed-off-by: Wang Chen <[email protected]>
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‎bsp/k230/.config‎

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@@ -1489,6 +1489,7 @@ CONFIG_PKG_ZLIB_VER="latest"
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#
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# Drivers Configuration
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#
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CONFIG_BSP_USING_HARDLOCK=y
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# CONFIG_BSP_USING_SDIO is not set
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# end of Drivers Configuration
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‎bsp/k230/board/Kconfig‎

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menu "Drivers Configuration"
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config BSP_USING_HARDLOCK
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bool "Enable Hard-Lock"
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default y
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menuconfig BSP_USING_SDIO
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bool "Enable SDIO"
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select RT_USING_SDIO

‎bsp/k230/drivers/interdrv/hardlock/SConscript‎

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# RT-Thread building script for component
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from building import *
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cwd = GetCurrentDir()
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src = []
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CPPPATH = [cwd]
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if GetDepend('BSP_USING_HARDLOCK'):
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src += ['drv_hardlock.c']
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group = DefineGroup('HARDLOCK', src, depend = [], CPPPATH = CPPPATH)
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Return('group')

‎bsp/k230/drivers/interdrv/hardlock/drv_hardlock.c‎

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/* Copyright (c) 2023, Canaan Bright Sight Co., Ltd
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <rtthread.h>
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#include <rthw.h>
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#include <rtdevice.h>
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#include <riscv_io.h>
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#include <string.h>
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#include "ioremap.h"
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#include "board.h"
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#include "drv_hardlock.h"
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#include <rtdbg.h>
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#define DBG_TAG "HARDLOCK"
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#ifdef RT_DEBUG
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#define DBG_LVL DBG_LOG
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#else
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#define DBG_LVL DBG_WARNING
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#endif
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#define DBG_COLOR
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struct device_hardlock
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{
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volatile void *hw_base;
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char used[HARDLOCK_MAX];
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};
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static struct device_hardlock hardlock;
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int kd_hardlock_lock(hardlock_type num)
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{
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if(num < 0 || num >= HARDLOCK_MAX)
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return -1;
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if(!readl(hardlock.hw_base + num * 0x4))
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{
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LOG_D("hardlock-%d locked\n", num);
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return 0;
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}
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LOG_D("hardlock-%d is busy\n", num);
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return -1;
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}
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RTM_EXPORT(kd_hardlock_lock);
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void kd_hardlock_unlock(hardlock_type num)
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{
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if(num < 0 || num >= HARDLOCK_MAX)
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return;
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if(readl(hardlock.hw_base + num * 0x4))
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{
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writel(0x0, hardlock.hw_base + num * 0x4);
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}
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LOG_D("hardlock-%d unlock\n", num);
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}
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RTM_EXPORT(kd_hardlock_unlock);
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int kd_request_lock(hardlock_type num)
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{
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if(num < 0 || num >= HARDLOCK_MAX)
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return -1;
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if(!hardlock.used[num])
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{
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hardlock.used[num] = 1;
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return 0;
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}
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LOG_E("request hardlock failed, hardlock-%d is used\n", num);
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return -1;
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}
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RTM_EXPORT(kd_request_lock);
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int rt_hw_hardlock_init(void)
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{
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struct device_hardlock *hard = &hardlock;
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hard->hw_base = 0xA0 + rt_ioremap((void *)MAILBOX_BASE_ADDR, MAILBOX_IO_SIZE);
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if(hard->hw_base == RT_NULL)
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{
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rt_kprintf("hardlock ioremap error\n");
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return -1;
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}
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memset(hard->used, 0, sizeof(hard->used));
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#if 0
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rt_kprintf("canaan hardlock init OK\n");
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#endif
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return 0;
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}
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INIT_BOARD_EXPORT(rt_hw_hardlock_init);

‎bsp/k230/drivers/interdrv/hardlock/drv_hardlock.h‎

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/* Copyright (c) 2023, Canaan Bright Sight Co., Ltd
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef DRV_HARDLOCK_H__
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#define DRV_HARDLOCK_H__
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#include <rtdef.h>
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typedef enum k230_hardlock_type
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{
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HARDLOCK_GPIO = 0,
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HARDLOCK_KPU = 1,
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HARDLOCK_TS = 2,
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HARDLOCK_DISP = 3,
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HARDLOCK_DISP_CPU0 = 4,
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HARDLOCK_DISP_CPU1 = 5,
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HARDLOCK_HASH = 6,
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HARDLOCK_AES = 7,
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HARDLOCK_SM4 = 8,
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HARDLOCK_PDMA = 9,
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HARDLOCK_MAX = 128
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} hardlock_type;
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#ifdef BSP_USING_HARDLOCK
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extern int kd_hardlock_lock(hardlock_type num);
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extern void kd_hardlock_unlock(hardlock_type num);
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extern int kd_request_lock(hardlock_type num);
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#else
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rt_inline int kd_hardlock_lock(hardlock_type num)
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{ return 0; }
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rt_inline void kd_hardlock_unlock(hardlock_type num)
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{}
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rt_inline int kd_request_lock(hardlock_type num)
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{ return num; }
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#endif
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#endif

‎bsp/k230/rtconfig.h‎

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/* Drivers Configuration */
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#define BSP_USING_HARDLOCK
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/* end of Drivers Configuration */
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#define BOARD_fpgac908
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#define __STACKSIZE__ 65536

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