470 lines
11 KiB
C
470 lines
11 KiB
C
/*
|
|
* Copyright (c) 2006-2021, RT-Thread Development Team
|
|
*
|
|
* SPDX-License-Identifier: Apache-2.0
|
|
*
|
|
* Change Logs:
|
|
* Date Author Notes
|
|
* 2020-05-23 liuduanfei first version
|
|
*/
|
|
|
|
#include "board.h"
|
|
#include "drv_sdio.h"
|
|
#include <dfs_fs.h>
|
|
|
|
#ifdef BSP_USING_SDMMC
|
|
|
|
#define DBG_TAG "drv.sdio"
|
|
#ifdef DRV_DEBUG
|
|
#define DBG_LVL DBG_LOG
|
|
#else
|
|
#define DBG_LVL DBG_INFO
|
|
#endif /* DRV_DEBUG */
|
|
#include <rtdbg.h>
|
|
|
|
static struct rt_mmcsd_host *host;
|
|
#define SDIO_TX_RX_COMPLETE_TIMEOUT_LOOPS (100000)
|
|
|
|
struct sdio_pkg
|
|
{
|
|
struct rt_mmcsd_cmd *cmd;
|
|
void *buff;
|
|
rt_uint32_t flag;
|
|
};
|
|
|
|
struct rthw_sdio
|
|
{
|
|
struct rt_mmcsd_host *host;
|
|
struct stm32_sdio_des sdio_des;
|
|
struct rt_event event;
|
|
struct sdio_pkg *pkg;
|
|
};
|
|
|
|
ALIGN(SDIO_ALIGN_LEN)
|
|
static rt_uint8_t cache_buf[SDIO_BUFF_SIZE];
|
|
|
|
/**
|
|
* @brief This function get order from sdio.
|
|
* @param data
|
|
* @retval sdio order
|
|
*/
|
|
static int get_order(rt_uint32_t data)
|
|
{
|
|
int order = 0;
|
|
|
|
switch (data)
|
|
{
|
|
case 1:
|
|
order = 0;
|
|
break;
|
|
case 2:
|
|
order = 1;
|
|
break;
|
|
case 4:
|
|
order = 2;
|
|
break;
|
|
case 8:
|
|
order = 3;
|
|
break;
|
|
case 16:
|
|
order = 4;
|
|
break;
|
|
case 32:
|
|
order = 5;
|
|
break;
|
|
case 64:
|
|
order = 6;
|
|
break;
|
|
case 128:
|
|
order = 7;
|
|
break;
|
|
case 256:
|
|
order = 8;
|
|
break;
|
|
case 512:
|
|
order = 9;
|
|
break;
|
|
case 1024:
|
|
order = 10;
|
|
break;
|
|
case 2048:
|
|
order = 11;
|
|
break;
|
|
case 4096:
|
|
order = 12;
|
|
break;
|
|
case 8192:
|
|
order = 13;
|
|
break;
|
|
case 16384:
|
|
order = 14;
|
|
break;
|
|
default :
|
|
order = 0;
|
|
break;
|
|
}
|
|
return order;
|
|
}
|
|
|
|
/**
|
|
* @brief This function wait sdio cmd completed.
|
|
* @param sdio rthw_sdio
|
|
* @retval None
|
|
*/
|
|
static void rthw_sdio_wait_completed(struct rthw_sdio *sdio)
|
|
{
|
|
rt_uint32_t status;
|
|
struct rt_mmcsd_cmd *cmd = sdio->pkg->cmd;
|
|
struct stm32_sdio *hw_sdio = sdio->sdio_des.hw_sdio;
|
|
|
|
if (rt_event_recv(&sdio->event, 0xffffffff, RT_EVENT_FLAG_OR | RT_EVENT_FLAG_CLEAR,
|
|
rt_tick_from_millisecond(5000), &status) != RT_EOK)
|
|
{
|
|
LOG_E("wait cmd completed timeout");
|
|
cmd->err = -RT_ETIMEOUT;
|
|
return;
|
|
}
|
|
|
|
cmd->resp[0] = hw_sdio->resp1;
|
|
if (resp_type(cmd) == RESP_R2)
|
|
{
|
|
cmd->resp[1] = hw_sdio->resp2;
|
|
cmd->resp[2] = hw_sdio->resp3;
|
|
cmd->resp[3] = hw_sdio->resp4;
|
|
}
|
|
|
|
if (status & SDIO_ERRORS)
|
|
{
|
|
if ((status & SDMMC_STA_CCRCFAIL) && (resp_type(cmd) & (RESP_R3 | RESP_R4)))
|
|
{
|
|
cmd->err = RT_EOK;
|
|
}
|
|
else
|
|
{
|
|
cmd->err = -RT_ERROR;
|
|
}
|
|
}
|
|
|
|
if (cmd->err == RT_EOK)
|
|
{
|
|
LOG_D("sta:0x%08X [%08X %08X %08X %08X]", status, cmd->resp[0], cmd->resp[1], cmd->resp[2], cmd->resp[3]);
|
|
}
|
|
else
|
|
{
|
|
LOG_D("send command error = %d", cmd->err);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief This function send command.
|
|
* @param sdio rthw_sdio
|
|
* @param pkg sdio package
|
|
* @retval None
|
|
*/
|
|
static void rthw_sdio_send_command(struct rthw_sdio *sdio, struct sdio_pkg *pkg)
|
|
{
|
|
struct rt_mmcsd_cmd *cmd = pkg->cmd;
|
|
struct rt_mmcsd_data *data = cmd->data;
|
|
struct stm32_sdio *hw_sdio = sdio->sdio_des.hw_sdio;
|
|
rt_uint32_t reg_cmd;
|
|
|
|
/* save pkg */
|
|
sdio->pkg = pkg;
|
|
|
|
LOG_D("CMD:%d ARG:0x%08x RES:%s%s%s%s%s%s%s%s%s rw:%c len:%d blksize:%d\n",
|
|
cmd->cmd_code,
|
|
cmd->arg,
|
|
resp_type(cmd) == RESP_NONE ? "NONE" : "",
|
|
resp_type(cmd) == RESP_R1 ? "R1" : "",
|
|
resp_type(cmd) == RESP_R1B ? "R1B" : "",
|
|
resp_type(cmd) == RESP_R2 ? "R2" : "",
|
|
resp_type(cmd) == RESP_R3 ? "R3" : "",
|
|
resp_type(cmd) == RESP_R4 ? "R4" : "",
|
|
resp_type(cmd) == RESP_R5 ? "R5" : "",
|
|
resp_type(cmd) == RESP_R6 ? "R6" : "",
|
|
resp_type(cmd) == RESP_R7 ? "R7" : "",
|
|
data ? (data->flags & DATA_DIR_WRITE ? 'w' : 'r') : '-',
|
|
data ? data->blks * data->blksize : 0,
|
|
data ? data->blksize : 0
|
|
);
|
|
|
|
hw_sdio->mask |= SDIO_MASKR_ALL;
|
|
reg_cmd = cmd->cmd_code | SDMMC_CMD_CPSMEN;
|
|
|
|
/* data pre configuration */
|
|
if (data != RT_NULL)
|
|
{
|
|
SCB_CleanInvalidateDCache();
|
|
|
|
reg_cmd |= SDMMC_CMD_CMDTRANS;
|
|
hw_sdio->mask &= ~(SDMMC_MASK_CMDRENDIE | SDMMC_MASK_CMDSENTIE);
|
|
hw_sdio->dtimer = HW_SDIO_DATATIMEOUT;
|
|
hw_sdio->dlen = data->blks * data->blksize;
|
|
hw_sdio->dctrl = (get_order(data->blksize)<<4) | (data->flags & DATA_DIR_READ ? SDMMC_DCTRL_DTDIR : 0);
|
|
hw_sdio->idmabase0r = (rt_uint32_t)cache_buf;
|
|
hw_sdio->idmatrlr = SDMMC_IDMA_IDMAEN;
|
|
}
|
|
|
|
if (resp_type(cmd) == RESP_R2)
|
|
reg_cmd |= SDMMC_CMD_WAITRESP;
|
|
else if(resp_type(cmd) != RESP_NONE)
|
|
reg_cmd |= SDMMC_CMD_WAITRESP_0;
|
|
|
|
hw_sdio->arg = cmd->arg;
|
|
hw_sdio->cmd = reg_cmd;
|
|
/* wait completed */
|
|
rthw_sdio_wait_completed(sdio);
|
|
|
|
/* Waiting for data to be sent to completion */
|
|
if (data != RT_NULL)
|
|
{
|
|
volatile rt_uint32_t count = SDIO_TX_RX_COMPLETE_TIMEOUT_LOOPS;
|
|
|
|
while (count && (hw_sdio->sta & SDMMC_STA_DPSMACT))
|
|
{
|
|
count--;
|
|
}
|
|
if ((count == 0) || (hw_sdio->sta & SDIO_ERRORS))
|
|
{
|
|
cmd->err = -RT_ERROR;
|
|
}
|
|
}
|
|
|
|
/* data post configuration */
|
|
if (data != RT_NULL)
|
|
{
|
|
if (data->flags & DATA_DIR_READ)
|
|
{
|
|
rt_memcpy(data->buf, cache_buf, data->blks * data->blksize);
|
|
SCB_CleanInvalidateDCache();
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief This function send sdio request.
|
|
* @param sdio rthw_sdio
|
|
* @param req request
|
|
* @retval None
|
|
*/
|
|
static void rthw_sdio_request(struct rt_mmcsd_host *host, struct rt_mmcsd_req *req)
|
|
{
|
|
struct sdio_pkg pkg;
|
|
struct rthw_sdio *sdio = host->private_data;
|
|
struct rt_mmcsd_data *data;
|
|
|
|
if (req->cmd != RT_NULL)
|
|
{
|
|
rt_memset(&pkg, 0, sizeof(pkg));
|
|
data = req->cmd->data;
|
|
pkg.cmd = req->cmd;
|
|
|
|
if (data != RT_NULL)
|
|
{
|
|
rt_uint32_t size = data->blks * data->blksize;
|
|
|
|
RT_ASSERT(size <= SDIO_BUFF_SIZE);
|
|
|
|
if (data->flags & DATA_DIR_WRITE)
|
|
{
|
|
rt_memcpy(cache_buf, data->buf, size);
|
|
}
|
|
}
|
|
|
|
rthw_sdio_send_command(sdio, &pkg);
|
|
}
|
|
|
|
if (req->stop != RT_NULL)
|
|
{
|
|
rt_memset(&pkg, 0, sizeof(pkg));
|
|
pkg.cmd = req->stop;
|
|
rthw_sdio_send_command(sdio, &pkg);
|
|
}
|
|
|
|
mmcsd_req_complete(sdio->host);
|
|
}
|
|
|
|
|
|
/**
|
|
* @brief This function interrupt process function.
|
|
* @param host rt_mmcsd_host
|
|
* @retval None
|
|
*/
|
|
void rthw_sdio_irq_process(struct rt_mmcsd_host *host)
|
|
{
|
|
struct rthw_sdio *sdio = host->private_data;
|
|
struct stm32_sdio *hw_sdio = sdio->sdio_des.hw_sdio;
|
|
rt_uint32_t intstatus = hw_sdio->sta;
|
|
|
|
/* clear irq flag*/
|
|
hw_sdio->icr = intstatus;
|
|
|
|
rt_event_send(&sdio->event, intstatus);
|
|
}
|
|
|
|
/**
|
|
* @brief This function config sdio.
|
|
* @param host rt_mmcsd_host
|
|
* @param io_cfg rt_mmcsd_io_cfg
|
|
* @retval None
|
|
*/
|
|
static void rthw_sdio_iocfg(struct rt_mmcsd_host *host, struct rt_mmcsd_io_cfg *io_cfg)
|
|
{
|
|
rt_uint32_t temp, clk_src;
|
|
rt_uint32_t clk = io_cfg->clock;
|
|
struct rthw_sdio *sdio = host->private_data;
|
|
struct stm32_sdio *hw_sdio = sdio->sdio_des.hw_sdio;
|
|
|
|
LOG_D("clk:%dK width:%s%s%s power:%s%s%s",
|
|
clk/1000,
|
|
io_cfg->bus_width == MMCSD_BUS_WIDTH_8 ? "8" : "",
|
|
io_cfg->bus_width == MMCSD_BUS_WIDTH_4 ? "4" : "",
|
|
io_cfg->bus_width == MMCSD_BUS_WIDTH_1 ? "1" : "",
|
|
io_cfg->power_mode == MMCSD_POWER_OFF ? "OFF" : "",
|
|
io_cfg->power_mode == MMCSD_POWER_UP ? "UP" : "",
|
|
io_cfg->power_mode == MMCSD_POWER_ON ? "ON" : ""
|
|
);
|
|
|
|
clk_src = SDIO_CLOCK_FREQ;
|
|
|
|
if (clk > 0)
|
|
{
|
|
if (clk > host->freq_max)
|
|
clk = host->freq_max;
|
|
temp = DIV_ROUND_UP(clk_src, 2 * clk);
|
|
if (temp > 0x3FF)
|
|
temp = 0x3FF;
|
|
}
|
|
|
|
if (io_cfg->bus_width == MMCSD_BUS_WIDTH_4)
|
|
temp |= SDMMC_CLKCR_WIDBUS_0;
|
|
else if (io_cfg->bus_width == MMCSD_BUS_WIDTH_8)
|
|
temp |= SDMMC_CLKCR_WIDBUS_1;
|
|
|
|
hw_sdio->clkcr = temp;
|
|
|
|
if (io_cfg->power_mode == MMCSD_POWER_ON)
|
|
hw_sdio->power |= SDMMC_POWER_PWRCTRL;
|
|
}
|
|
|
|
static const struct rt_mmcsd_host_ops ops =
|
|
{
|
|
rthw_sdio_request,
|
|
rthw_sdio_iocfg,
|
|
RT_NULL,
|
|
RT_NULL,
|
|
};
|
|
|
|
/**
|
|
* @brief This function create mmcsd host.
|
|
* @param sdio_des stm32_sdio_des
|
|
* @retval rt_mmcsd_host
|
|
*/
|
|
struct rt_mmcsd_host *sdio_host_create(struct stm32_sdio_des *sdio_des)
|
|
{
|
|
struct rt_mmcsd_host *host;
|
|
struct rthw_sdio *sdio = RT_NULL;
|
|
|
|
if (sdio_des == RT_NULL)
|
|
{
|
|
return RT_NULL;
|
|
}
|
|
|
|
sdio = rt_malloc(sizeof(struct rthw_sdio));
|
|
if (sdio == RT_NULL)
|
|
{
|
|
LOG_E("malloc rthw_sdio fail");
|
|
return RT_NULL;
|
|
}
|
|
rt_memset(sdio, 0, sizeof(struct rthw_sdio));
|
|
|
|
host = mmcsd_alloc_host();
|
|
if (host == RT_NULL)
|
|
{
|
|
LOG_E("alloc host fail");
|
|
goto err;
|
|
}
|
|
|
|
rt_memcpy(&sdio->sdio_des, sdio_des, sizeof(struct stm32_sdio_des));
|
|
|
|
sdio->sdio_des.hw_sdio = (struct stm32_sdio *)SDIO_BASE_ADDRESS;
|
|
|
|
rt_event_init(&sdio->event, "sdio", RT_IPC_FLAG_FIFO);
|
|
|
|
/* set host default attributes */
|
|
host->ops = &ops;
|
|
host->freq_min = 400 * 1000;
|
|
host->freq_max = SDIO_MAX_FREQ;
|
|
host->valid_ocr = VDD_32_33 | VDD_33_34;/* The voltage range supported is 3.2v-3.4v */
|
|
#ifndef SDIO_USING_1_BIT
|
|
host->flags = MMCSD_BUSWIDTH_4 | MMCSD_MUTBLKWRITE | MMCSD_SUP_HIGHSPEED;
|
|
#else
|
|
host->flags = MMCSD_MUTBLKWRITE | MMCSD_SUP_HIGHSPEED;
|
|
#endif
|
|
|
|
host->max_seg_size = SDIO_BUFF_SIZE;
|
|
host->max_dma_segs = 1;
|
|
host->max_blk_size = 512;
|
|
host->max_blk_count = 512;
|
|
|
|
/* link up host and sdio */
|
|
sdio->host = host;
|
|
host->private_data = sdio;
|
|
|
|
/* ready to change */
|
|
mmcsd_change(host);
|
|
|
|
return host;
|
|
|
|
err:
|
|
if (sdio) rt_free(sdio);
|
|
|
|
return RT_NULL;
|
|
}
|
|
|
|
void SDMMC1_IRQHandler(void)
|
|
{
|
|
/* enter interrupt */
|
|
rt_interrupt_enter();
|
|
/* Process All SDIO Interrupt Sources */
|
|
rthw_sdio_irq_process(host);
|
|
/* leave interrupt */
|
|
rt_interrupt_leave();
|
|
}
|
|
|
|
int rt_hw_sdio_init(void)
|
|
{
|
|
struct stm32_sdio_des sdio_des;
|
|
SD_HandleTypeDef hsd;
|
|
hsd.Instance = SDMMC1;
|
|
HAL_SD_MspInit(&hsd);
|
|
|
|
host = sdio_host_create(&sdio_des);
|
|
if (host == RT_NULL)
|
|
{
|
|
LOG_E("host create fail");
|
|
return RT_NULL;
|
|
}
|
|
return 0;
|
|
}
|
|
INIT_DEVICE_EXPORT(rt_hw_sdio_init);
|
|
|
|
int mnt_init(void)
|
|
{
|
|
rt_thread_delay(RT_TICK_PER_SECOND);
|
|
|
|
if (dfs_mount("sd0", "/", "elm", 0, 0) != 0)
|
|
{
|
|
rt_kprintf("file system mount failed!\n");
|
|
}
|
|
else
|
|
{
|
|
rt_kprintf("file system mount success!\n");
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
INIT_ENV_EXPORT(mnt_init);
|
|
|
|
#endif /* BSP_USING_SDMMC */
|