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liblitesdcard/sdcard: add SDCARD_MULTIPLE_BLOCK_SUPPORT define.

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This commit is contained in:
Florent Kermarrec 2020-07-01 12:40:23 +02:00
parent e492e96bf7
commit 42bfb90f14
1 changed files with 12 additions and 3 deletions

15
litex/soc/software/liblitesdcard/sdcard.c
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@ -19,6 +19,8 @@
//#define SDCARD_DEBUG //#define SDCARD_DEBUG
#define SDCARD_WAIT_WORKAROUND #define SDCARD_WAIT_WORKAROUND
#define SDCARD_MULTIPLE_BLOCK_SUPPORT
#ifdef CSR_SDCORE_BASE #ifdef CSR_SDCORE_BASE
unsigned int sdcard_response[SD_RESPONSE_SIZE/4]; unsigned int sdcard_response[SD_RESPONSE_SIZE/4];
@ -491,11 +493,16 @@ void sdcard_read(uint32_t sector, uint32_t count, uint8_t* buf)
sdreader_enable_write(1); sdreader_enable_write(1);
/* Read Block(s) from SDCard */ /* Read Block(s) from SDCard */
#ifdef SDCARD_MULTIPLE_BLOCK_SUPPORT
sdcard_set_block_count(count); sdcard_set_block_count(count);
if (count > 0) sdcard_read_multiple_block(sector, count);
sdcard_read_multiple_block(sector, count); #else
else while (count) {
sdcard_read_single_block(sector); sdcard_read_single_block(sector);
sector += 1;
count -= 1;
}
#endif
/* Wait for DMA Writer to complete */ /* Wait for DMA Writer to complete */
while ((sdreader_done_read() & 0x1) == 0); while ((sdreader_done_read() & 0x1) == 0);
@ -517,7 +524,9 @@ void sdcard_write(uint32_t sector, uint32_t count, uint8_t* buf)
while ((sdwriter_done_read() & 0x1) == 0); while ((sdwriter_done_read() & 0x1) == 0);
/* Write Single Block to SDCard */ /* Write Single Block to SDCard */
#ifdef SDCARD_MULTIPLE_BLOCK_SUPPORT
sdcard_set_block_count(1); sdcard_set_block_count(1);
#endif
sdcard_write_single_block(sector); sdcard_write_single_block(sector);
/* Update buf/sector */ /* Update buf/sector */