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Code Issues Releases Activity

sdmmc v2: Move address alignment check in driver

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This commit is contained in:
CTCaer 2020-04-29 21:46:25 +03:00
parent eac6426125
commit 10e7e06048
4 changed files with 52 additions and 40 deletions
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20
bootloader/libs/fatfs/diskio.c
View file

@ -46,16 +46,7 @@ DRESULT disk_read (
UINT count /* Number of sectors to read */ UINT count /* Number of sectors to read */
) )
{ {
// Ensure that buffer resides in DRAM and it's DMA aligned. return sdmmc_storage_read(&sd_storage, sector, count, buff) ? RES_OK : RES_ERROR;
if (((u32)buff >= DRAM_START) && !((u32)buff % 8))
return sdmmc_storage_read(&sd_storage, sector, count, buff) ? RES_OK : RES_ERROR;
u8 *buf = (u8 *)SDMMC_UPPER_BUFFER;
if (sdmmc_storage_read(&sd_storage, sector, count, buf))
{
memcpy(buff, buf, 512 * count);
return RES_OK;
}
return RES_ERROR;
} }
/*-----------------------------------------------------------------------*/ /*-----------------------------------------------------------------------*/
@ -68,14 +59,7 @@ DRESULT disk_write (
UINT count /* Number of sectors to write */ UINT count /* Number of sectors to write */
) )
{ {
// Ensure that buffer resides in DRAM and it's DMA aligned. return sdmmc_storage_write(&sd_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
if (((u32)buff >= DRAM_START) && !((u32)buff % 8))
return sdmmc_storage_write(&sd_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
u8 *buf = (u8 *)SDMMC_UPPER_BUFFER;
memcpy(buf, buff, 512 * count);
if (sdmmc_storage_write(&sd_storage, sector, count, buf))
return RES_OK;
return RES_ERROR;
} }
/*-----------------------------------------------------------------------*/ /*-----------------------------------------------------------------------*/

26
bootloader/storage/sdmmc.c
View file

@ -202,12 +202,34 @@ DPRINTF("readwrite: %08X\n", blkcnt);
int sdmmc_storage_read(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf) int sdmmc_storage_read(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf)
{ {
return _sdmmc_storage_readwrite(storage, sector, num_sectors, buf, 0); // Ensure that buffer resides in DRAM and it's DMA aligned.
if (((u32)buf >= DRAM_START) && !((u32)buf % 8))
return _sdmmc_storage_readwrite(storage, sector, num_sectors, buf, 0);
if (num_sectors > (SDMMC_UP_BUF_SZ / 512))
return 0;
u8 *tmp_buf = (u8 *)SDMMC_UPPER_BUFFER;
if (_sdmmc_storage_readwrite(storage, sector, num_sectors, tmp_buf, 0))
{
memcpy(buf, tmp_buf, 512 * num_sectors);
return 1;
}
return 0;
} }
int sdmmc_storage_write(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf) int sdmmc_storage_write(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf)
{ {
return _sdmmc_storage_readwrite(storage, sector, num_sectors, buf, 1); // Ensure that buffer resides in DRAM and it's DMA aligned.
if (((u32)buf >= DRAM_START) && !((u32)buf % 8))
return _sdmmc_storage_readwrite(storage, sector, num_sectors, buf, 1);
if (num_sectors > (SDMMC_UP_BUF_SZ / 512))
return 0;
u8 *tmp_buf = (u8 *)SDMMC_UPPER_BUFFER;
memcpy(tmp_buf, buf, 512 * num_sectors);
return _sdmmc_storage_readwrite(storage, sector, num_sectors, tmp_buf, 1);
} }
/* /*

20
nyx/nyx_gui/libs/fatfs/diskio.c
View file

@ -44,16 +44,7 @@ DRESULT disk_read (
UINT count /* Number of sectors to read */ UINT count /* Number of sectors to read */
) )
{ {
// Ensure that buffer resides in DRAM and it's DMA aligned. return sdmmc_storage_read(&sd_storage, sector, count, buff) ? RES_OK : RES_ERROR;
if (((u32)buff >= DRAM_START) && !((u32)buff % 8))
return sdmmc_storage_read(&sd_storage, sector, count, buff) ? RES_OK : RES_ERROR;
u8 *buf = (u8 *)SDMMC_UPPER_BUFFER;
if (sdmmc_storage_read(&sd_storage, sector, count, buf))
{
memcpy(buff, buf, 512 * count);
return RES_OK;
}
return RES_ERROR;
} }
/*-----------------------------------------------------------------------*/ /*-----------------------------------------------------------------------*/
@ -66,14 +57,7 @@ DRESULT disk_write (
UINT count /* Number of sectors to write */ UINT count /* Number of sectors to write */
) )
{ {
// Ensure that buffer resides in DRAM and it's DMA aligned. return sdmmc_storage_write(&sd_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
if (((u32)buff >= DRAM_START) && !((u32)buff % 8))
return sdmmc_storage_write(&sd_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
u8 *buf = (u8 *)SDMMC_UPPER_BUFFER;
memcpy(buf, buff, 512 * count);
if (sdmmc_storage_write(&sd_storage, sector, count, buf))
return RES_OK;
return RES_ERROR;
} }
/*-----------------------------------------------------------------------*/ /*-----------------------------------------------------------------------*/

26
nyx/nyx_gui/storage/sdmmc.c
View file

@ -202,12 +202,34 @@ DPRINTF("readwrite: %08X\n", blkcnt);
int sdmmc_storage_read(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf) int sdmmc_storage_read(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf)
{ {
return _sdmmc_storage_readwrite(storage, sector, num_sectors, buf, 0); // Ensure that buffer resides in DRAM and it's DMA aligned.
if (((u32)buf >= DRAM_START) && !((u32)buf % 8))
return _sdmmc_storage_readwrite(storage, sector, num_sectors, buf, 0);
if (num_sectors > (SDMMC_UP_BUF_SZ / 512))
return 0;
u8 *tmp_buf = (u8 *)SDMMC_UPPER_BUFFER;
if (_sdmmc_storage_readwrite(storage, sector, num_sectors, tmp_buf, 0))
{
memcpy(buf, tmp_buf, 512 * num_sectors);
return 1;
}
return 0;
} }
int sdmmc_storage_write(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf) int sdmmc_storage_write(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf)
{ {
return _sdmmc_storage_readwrite(storage, sector, num_sectors, buf, 1); // Ensure that buffer resides in DRAM and it's DMA aligned.
if (((u32)buf >= DRAM_START) && !((u32)buf % 8))
return _sdmmc_storage_readwrite(storage, sector, num_sectors, buf, 1);
if (num_sectors > (SDMMC_UP_BUF_SZ / 512))
return 0;
u8 *tmp_buf = (u8 *)SDMMC_UPPER_BUFFER;
memcpy(tmp_buf, buf, 512 * num_sectors);
return _sdmmc_storage_readwrite(storage, sector, num_sectors, tmp_buf, 1);
} }
/* /*