634 lines
15 KiB
C
634 lines
15 KiB
C
/*
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* Copyright (c) 2006-2021, RT-Thread Development Team
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-07-16 thread-liu first version
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*/
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#include "board.h"
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#include "drv_sdio.h"
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#ifdef BSP_USING_SDIO1
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#include <dfs_fs.h>
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#endif
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#ifdef BSP_USING_SDMMC
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#ifdef BSP_USING_SDIO2
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#define DRV_DEBUG
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#endif
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#define DBG_TAG "drv.sdio"
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#ifdef DRV_DEBUG
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#define DBG_LVL DBG_LOG
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#else
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#define DBG_LVL DBG_INFO
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#endif /* DRV_DEBUG */
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#include <rtdbg.h>
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static struct rt_mmcsd_host *host1;
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static struct rt_mmcsd_host *host2;
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#define SDIO_TX_RX_COMPLETE_TIMEOUT_LOOPS (100000)
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#define RTHW_SDIO_LOCK(_sdio) rt_mutex_take(&_sdio->mutex, RT_WAITING_FOREVER)
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#define RTHW_SDIO_UNLOCK(_sdio) rt_mutex_release(&_sdio->mutex);
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struct sdio_pkg
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{
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struct rt_mmcsd_cmd *cmd;
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void *buff;
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rt_uint32_t flag;
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};
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struct rthw_sdio
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{
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struct rt_mmcsd_host *host;
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struct stm32_sdio_des sdio_des;
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struct rt_event event;
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struct rt_mutex mutex;
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struct sdio_pkg *pkg;
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};
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/* SYSRAM SDMMC1/2 accesses */
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#define SDCARD_ADDR 0x2FFFF000
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#if defined(__CC_ARM) || defined(__CLANG_ARM)
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__attribute__((at(SDCARD_ADDR))) static rt_uint8_t cache_buf[SDIO_BUFF_SIZE];
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#elif defined ( __GNUC__ )
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static rt_uint8_t cache_buf[SDIO_BUFF_SIZE] __attribute__((section(".SdCardSection")));
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#elif defined(__ICCARM__)
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#pragma location = SDCARD_ADDR
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__no_init static rt_uint8_t cache_buf[SDIO_BUFF_SIZE];
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#endif
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/**
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* @brief This function get order from sdio.
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* @param data
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* @retval sdio order
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*/
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static int get_order(rt_uint32_t data)
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{
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int order = 0;
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switch (data)
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{
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case 1:
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order = 0;
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break;
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case 2:
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order = 1;
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break;
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case 4:
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order = 2;
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break;
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case 8:
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order = 3;
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break;
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case 16:
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order = 4;
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break;
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case 32:
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order = 5;
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break;
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case 64:
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order = 6;
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break;
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case 128:
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order = 7;
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break;
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case 256:
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order = 8;
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break;
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case 512:
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order = 9;
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break;
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case 1024:
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order = 10;
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break;
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case 2048:
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order = 11;
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break;
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case 4096:
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order = 12;
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break;
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case 8192:
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order = 13;
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break;
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case 16384:
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order = 14;
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break;
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default :
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order = 0;
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break;
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}
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return order;
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}
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/**
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* @brief This function wait sdio cmd completed.
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* @param sdio rthw_sdio
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* @retval None
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*/
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static void rthw_sdio_wait_completed(struct rthw_sdio *sdio)
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{
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rt_uint32_t status;
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struct rt_mmcsd_cmd *cmd = sdio->pkg->cmd;
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struct rt_mmcsd_data *data = cmd->data;
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struct stm32_sdio *hw_sdio = sdio->sdio_des.hw_sdio;
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if (rt_event_recv(&sdio->event, 0xffffffff, RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR,
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rt_tick_from_millisecond(5000), &status) != RT_EOK)
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{
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LOG_E("wait cmd completed timeout");
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cmd->err = -RT_ETIMEOUT;
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return;
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}
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if (sdio->pkg == RT_NULL)
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{
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return;
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}
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cmd->resp[0] = hw_sdio->resp1;
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cmd->resp[1] = hw_sdio->resp2;
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cmd->resp[2] = hw_sdio->resp3;
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cmd->resp[3] = hw_sdio->resp4;
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if (status & SDIO_ERRORS)
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{
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if ((status & SDMMC_STA_CCRCFAIL) && (resp_type(cmd) & (RESP_R3 | RESP_R4)))
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{
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cmd->err = RT_EOK;
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}
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else
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{
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cmd->err = -RT_ERROR;
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}
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if (status & SDMMC_STA_CTIMEOUT)
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{
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cmd->err = -RT_ETIMEOUT;
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}
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if (status & SDMMC_STA_DCRCFAIL)
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{
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data->err = -RT_ERROR;
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}
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if (status & SDMMC_STA_DTIMEOUT)
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{
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data->err = -RT_ETIMEOUT;
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}
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if (cmd->err == RT_EOK)
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{
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LOG_D("sta:0x%08X [%08X %08X %08X %08X]", status, cmd->resp[0], cmd->resp[1], cmd->resp[2], cmd->resp[3]);
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}
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else
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{
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LOG_D("err:0x%08x, %s%s%s%s%s%s%s cmd:%d arg:0x%08x rw:%c len:%d blksize:%d",
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status,
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status & SDMMC_STA_CCRCFAIL ? "CCRCFAIL " : "",
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status & SDMMC_STA_DCRCFAIL ? "DCRCFAIL " : "",
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status & SDMMC_STA_CTIMEOUT ? "CTIMEOUT " : "",
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status & SDMMC_STA_DTIMEOUT ? "DTIMEOUT " : "",
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status & SDMMC_STA_TXUNDERR ? "TXUNDERR " : "",
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status & SDMMC_STA_RXOVERR ? "RXOVERR " : "",
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status == 0 ? "NULL" : "",
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cmd->cmd_code,
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cmd->arg,
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data ? (data->flags & DATA_DIR_WRITE ? 'w' : 'r') : '-',
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data ? data->blks * data->blksize : 0,
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data ? data->blksize : 0
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);
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}
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}
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else
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{
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cmd->err = RT_EOK;
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LOG_D("sta:0x%08X [%08X %08X %08X %08X]", status, cmd->resp[0], cmd->resp[1], cmd->resp[2], cmd->resp[3]);
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}
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}
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/**
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* @brief This function send command.
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* @param sdio rthw_sdio
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* @param pkg sdio package
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* @retval None
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*/
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static void rthw_sdio_send_command(struct rthw_sdio *sdio, struct sdio_pkg *pkg)
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{
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struct rt_mmcsd_cmd *cmd = pkg->cmd;
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struct rt_mmcsd_data *data = cmd->data;
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struct stm32_sdio *hw_sdio = sdio->sdio_des.hw_sdio;
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rt_uint32_t reg_cmd;
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sdio->pkg = pkg;
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LOG_D("CMD:%d ARG:0x%08x RES:%s%s%s%s%s%s%s%s%s rw:%c len:%d blksize:%d\n",
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cmd->cmd_code,
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cmd->arg,
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resp_type(cmd) == RESP_NONE ? "NONE" : "",
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resp_type(cmd) == RESP_R1 ? "R1" : "",
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resp_type(cmd) == RESP_R1B ? "R1B" : "",
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resp_type(cmd) == RESP_R2 ? "R2" : "",
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resp_type(cmd) == RESP_R3 ? "R3" : "",
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resp_type(cmd) == RESP_R4 ? "R4" : "",
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resp_type(cmd) == RESP_R5 ? "R5" : "",
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resp_type(cmd) == RESP_R6 ? "R6" : "",
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resp_type(cmd) == RESP_R7 ? "R7" : "",
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data ? (data->flags & DATA_DIR_WRITE ? 'w' : 'r') : '-',
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data ? data->blks * data->blksize : 0,
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data ? data->blksize : 0
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);
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/* config cmd reg */
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reg_cmd = cmd->cmd_code | SDMMC_CMD_CPSMEN;
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if (resp_type(cmd) == RESP_NONE)
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reg_cmd |= SDMMC_RESPONSE_NO;
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else if (resp_type(cmd) == RESP_R2)
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reg_cmd |= SDMMC_RESPONSE_LONG;
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else
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reg_cmd |= SDMMC_RESPONSE_SHORT;
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hw_sdio->mask |= SDIO_MASKR_ALL;
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/* data pre configuration */
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if (data != RT_NULL)
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{
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hw_sdio->dctrl = 0;
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hw_sdio->mask &= ~(SDMMC_MASK_CMDRENDIE | SDMMC_MASK_CMDSENTIE);
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reg_cmd |= SDMMC_CMD_CMDTRANS;
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hw_sdio->dtimer = HW_SDIO_DATATIMEOUT;
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hw_sdio->dlen = data->blks * data->blksize;
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hw_sdio->dctrl = (get_order(data->blksize)<<4) | (data->flags & DATA_DIR_READ ? SDMMC_DCTRL_DTDIR : 0);
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hw_sdio->idmabase0r = (rt_uint32_t)cache_buf;
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hw_sdio->idmatrlr = SDMMC_ENABLE_IDMA_SINGLE_BUFF;
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}
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hw_sdio->arg = cmd->arg;
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hw_sdio->cmd = reg_cmd;
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/* wait completed */
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rthw_sdio_wait_completed(sdio);
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/* Waiting for data to be sent to completion */
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if (data != RT_NULL)
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{
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volatile rt_uint32_t count = SDIO_TX_RX_COMPLETE_TIMEOUT_LOOPS;
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while (count && (hw_sdio->sta & SDMMC_STA_DPSMACT))
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{
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count--;
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}
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if ((count == 0) || (hw_sdio->sta & SDIO_ERRORS))
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{
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cmd->err = -RT_ERROR;
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}
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}
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/* close irq, keep sdio irq */
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hw_sdio->mask = hw_sdio->mask & SDMMC_IT_SDIOIT ? SDMMC_IT_SDIOIT : 0x00;
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/* data post configuration */
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if (data != RT_NULL)
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{
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if (data->flags & DATA_DIR_READ)
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{
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rt_memcpy(data->buf, cache_buf, data->blks * data->blksize);
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}
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}
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}
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/**
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* @brief This function send sdio request.
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* @param sdio rthw_sdio
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* @param req request
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* @retval None
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*/
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static void rthw_sdio_request(struct rt_mmcsd_host *host, struct rt_mmcsd_req *req)
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{
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struct sdio_pkg pkg;
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struct rthw_sdio *sdio = host->private_data;
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struct rt_mmcsd_data *data;
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RTHW_SDIO_LOCK(sdio);
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if (req->cmd != RT_NULL)
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{
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rt_memset(&pkg, 0, sizeof(pkg));
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data = req->cmd->data;
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pkg.cmd = req->cmd;
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if (data != RT_NULL)
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{
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rt_uint32_t size = data->blks * data->blksize;
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RT_ASSERT(size <= SDIO_BUFF_SIZE);
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if (data->flags & DATA_DIR_WRITE)
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{
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rt_memcpy(cache_buf, data->buf, size);
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}
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}
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rthw_sdio_send_command(sdio, &pkg);
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}
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if (req->stop != RT_NULL)
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{
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rt_memset(&pkg, 0, sizeof(pkg));
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pkg.cmd = req->stop;
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rthw_sdio_send_command(sdio, &pkg);
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}
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RTHW_SDIO_UNLOCK(sdio);
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mmcsd_req_complete(sdio->host);
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}
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/**
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* @brief This function interrupt process function.
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* @param host rt_mmcsd_host
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* @retval None
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*/
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void rthw_sdio_irq_process(struct rt_mmcsd_host *host)
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{
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struct rthw_sdio *sdio = host->private_data;
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struct stm32_sdio *hw_sdio = sdio->sdio_des.hw_sdio;
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rt_uint32_t intstatus = hw_sdio->sta;
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/* clear irq flag*/
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hw_sdio->icr = intstatus;
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rt_event_send(&sdio->event, intstatus);
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}
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/**
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* @brief This function config sdio.
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* @param host rt_mmcsd_host
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* @param io_cfg rt_mmcsd_io_cfg
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* @retval None
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*/
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static void rthw_sdio_iocfg(struct rt_mmcsd_host *host, struct rt_mmcsd_io_cfg *io_cfg)
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{
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rt_uint32_t temp, clk_src;
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rt_uint32_t clk = io_cfg->clock;
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struct rthw_sdio *sdio = host->private_data;
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struct stm32_sdio *hw_sdio = sdio->sdio_des.hw_sdio;
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LOG_D("clk:%dK width:%s%s%s power:%s%s%s",
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clk/1000,
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io_cfg->bus_width == MMCSD_BUS_WIDTH_8 ? "8" : "",
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io_cfg->bus_width == MMCSD_BUS_WIDTH_4 ? "4" : "",
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io_cfg->bus_width == MMCSD_BUS_WIDTH_1 ? "1" : "",
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io_cfg->power_mode == MMCSD_POWER_OFF ? "OFF" : "",
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io_cfg->power_mode == MMCSD_POWER_UP ? "UP" : "",
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io_cfg->power_mode == MMCSD_POWER_ON ? "ON" : ""
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);
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RTHW_SDIO_LOCK(sdio);
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clk_src = SDIO_CLOCK_FREQ;
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if (clk > 0)
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{
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if (clk > host->freq_max)
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{
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clk = host->freq_max;
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}
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temp = DIV_ROUND_UP(clk_src, 2 * clk);
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if (temp > 0x3FF)
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{
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temp = 0x3FF;
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}
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}
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if (io_cfg->bus_width == MMCSD_BUS_WIDTH_8)
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{
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temp |= SDMMC_BUS_WIDE_8B;
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}
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else if (io_cfg->bus_width == MMCSD_BUS_WIDTH_4)
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{
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temp |= SDMMC_BUS_WIDE_4B;
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}
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else
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{
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temp |= SDMMC_BUS_WIDE_1B;
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}
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hw_sdio->clkcr = temp;
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if (io_cfg->power_mode == MMCSD_POWER_ON)
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hw_sdio->power |= SDMMC_POWER_PWRCTRL;
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RTHW_SDIO_UNLOCK(sdio);
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}
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static const struct rt_mmcsd_host_ops ops =
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{
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rthw_sdio_request,
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rthw_sdio_iocfg,
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RT_NULL,
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RT_NULL,
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};
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/**
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* @brief This function create mmcsd host.
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* @param sdio_des stm32_sdio_des
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* @retval rt_mmcsd_host
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*/
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struct rt_mmcsd_host *sdio_host_create(struct stm32_sdio_des *sdio_des)
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{
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struct rt_mmcsd_host *host;
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struct rthw_sdio *sdio = RT_NULL;
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if (sdio_des == RT_NULL)
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{
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return RT_NULL;
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}
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sdio = rt_malloc(sizeof(struct rthw_sdio));
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if (sdio == RT_NULL)
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{
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LOG_E("malloc rthw_sdio fail");
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return RT_NULL;
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}
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rt_memset(sdio, 0, sizeof(struct rthw_sdio));
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host = mmcsd_alloc_host();
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if (host == RT_NULL)
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{
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LOG_E("alloc host fail");
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goto err;
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}
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rt_memcpy(&sdio->sdio_des, sdio_des, sizeof(struct stm32_sdio_des));
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if(sdio_des->hsd.Instance == SDMMC1)
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{
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sdio->sdio_des.hw_sdio = (struct stm32_sdio *)SDIO1_BASE_ADDRESS;
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rt_event_init(&sdio->event, "sdio1", RT_IPC_FLAG_FIFO);
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rt_mutex_init(&sdio->mutex, "sdio1", RT_IPC_FLAG_FIFO);
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}
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if(sdio_des->hsd.Instance == SDMMC2)
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{
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sdio->sdio_des.hw_sdio = (struct stm32_sdio *)SDIO2_BASE_ADDRESS;
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rt_event_init(&sdio->event, "sdio2", RT_IPC_FLAG_FIFO);
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rt_mutex_init(&sdio->mutex, "sdio2", RT_IPC_FLAG_FIFO);
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}
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/* set host default attributes */
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host->ops = &ops;
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host->freq_min = 400 * 1000;
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host->freq_max = SDIO_MAX_FREQ;
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host->valid_ocr = 0X00FFFF80;/* The voltage range supported is 1.65v-3.6v */
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#ifndef SDIO_USING_1_BIT
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host->flags = MMCSD_BUSWIDTH_4 | MMCSD_MUTBLKWRITE | MMCSD_SUP_HIGHSPEED;
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#else
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host->flags = MMCSD_MUTBLKWRITE | MMCSD_SUP_HIGHSPEED;
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#endif
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host->max_seg_size = SDIO_BUFF_SIZE;
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host->max_dma_segs = 1;
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host->max_blk_size = 512;
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host->max_blk_count = 512;
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/* link up host and sdio */
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sdio->host = host;
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host->private_data = sdio;
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/* ready to change */
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mmcsd_change(host);
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return host;
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err:
|
|
if (sdio)
|
|
{
|
|
rt_free(sdio);
|
|
}
|
|
|
|
return RT_NULL;
|
|
}
|
|
|
|
void SDMMC1_IRQHandler(void)
|
|
{
|
|
rt_interrupt_enter();
|
|
/* Process All SDIO Interrupt Sources */
|
|
rthw_sdio_irq_process(host1);
|
|
|
|
rt_interrupt_leave();
|
|
}
|
|
|
|
void SDMMC2_IRQHandler(void)
|
|
{
|
|
/* enter interrupt */
|
|
rt_interrupt_enter();
|
|
/* Process All SDIO Interrupt Sources */
|
|
rthw_sdio_irq_process(host2);
|
|
/* leave interrupt */
|
|
rt_interrupt_leave();
|
|
}
|
|
|
|
#ifdef BSP_USING_SDIO2
|
|
static RTC_HandleTypeDef hrtc;
|
|
static void MX_RTC_Init(void)
|
|
{
|
|
hrtc.Instance = RTC;
|
|
hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
|
|
hrtc.Init.AsynchPrediv = 127;
|
|
hrtc.Init.SynchPrediv = 255;
|
|
hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
|
|
hrtc.Instance->CFGR = 0x02 << 1;
|
|
if (HAL_RTC_Init(&hrtc) != HAL_OK)
|
|
{
|
|
Error_Handler();
|
|
}
|
|
}
|
|
static int LBEE5KL1DX_init(void)
|
|
{
|
|
#define LBEE5KL1DX_WL_REG_ON GET_PIN(H, 4)
|
|
|
|
/* enable the WLAN REG pin */
|
|
rt_pin_mode(LBEE5KL1DX_WL_REG_ON, PIN_MODE_OUTPUT);
|
|
rt_pin_write(LBEE5KL1DX_WL_REG_ON, PIN_HIGH);
|
|
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
int rt_hw_sdio_init(void)
|
|
{
|
|
#ifdef BSP_USING_SDIO1
|
|
struct stm32_sdio_des sdio_des1;
|
|
sdio_des1.hsd.Instance = SDMMC1;
|
|
HAL_SD_MspInit(&sdio_des1.hsd);
|
|
|
|
host1 = sdio_host_create(&sdio_des1);
|
|
if (host1 == RT_NULL)
|
|
{
|
|
LOG_E("host create fail");
|
|
return RT_NULL;
|
|
}
|
|
#endif
|
|
|
|
#ifdef BSP_USING_SDIO2
|
|
|
|
if (IS_ENGINEERING_BOOT_MODE())
|
|
{
|
|
MX_RTC_Init();
|
|
}
|
|
LBEE5KL1DX_init();
|
|
|
|
struct stm32_sdio_des sdio_des2;
|
|
sdio_des2.hsd.Instance = SDMMC2;
|
|
HAL_SD_MspInit(&sdio_des2.hsd);
|
|
|
|
host2 = sdio_host_create(&sdio_des2);
|
|
if (host2 == RT_NULL)
|
|
{
|
|
LOG_E("host2 create fail");
|
|
return RT_NULL;
|
|
}
|
|
#endif
|
|
return RT_EOK;
|
|
}
|
|
INIT_DEVICE_EXPORT(rt_hw_sdio_init);
|
|
|
|
#ifdef BSP_USING_SDIO1
|
|
int mnt_init(void)
|
|
{
|
|
rt_device_t sd = RT_NULL;
|
|
|
|
rt_thread_delay(RT_TICK_PER_SECOND);
|
|
|
|
sd = rt_device_find("sd0");
|
|
if (sd == RT_NULL)
|
|
{
|
|
rt_kprintf("can't find sd0 device!\n");
|
|
return RT_ERROR;
|
|
}
|
|
|
|
if (dfs_mount("sd0", "/", "elm", 0, 0) != 0)
|
|
{
|
|
rt_kprintf("file system mount failed!\n");
|
|
}
|
|
else
|
|
{
|
|
rt_kprintf("file system mount success!\n");
|
|
}
|
|
|
|
return RT_EOK;
|
|
}
|
|
INIT_ENV_EXPORT(mnt_init);
|
|
|
|
#endif /* BSP_USING_SDIO1 */
|
|
|
|
#endif /* BSP_USING_SDMMC */
|