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litelitesdcard/sdcard: remove wait workaround and replace remove SDCARD_MULTIPLE_BLOCK_SUPPORT define (replace it with SDCARD_CMD23_SUPPORT).

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This commit is contained in:
Florent Kermarrec 2020-07-03 18:48:43 +02:00
parent 94821cb73c
commit 2f6b27da23
1 changed files with 11 additions and 19 deletions
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30
litex/soc/software/liblitesdcard/sdcard.c
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@ -17,9 +17,7 @@
#include "sdcard.h"
//#define SDCARD_DEBUG
#define SDCARD_WAIT_WORKAROUND
#define SDCARD_MULTIPLE_BLOCK_SUPPORT
//#define SDCARD_CMD23_SUPPORT
#ifdef CSR_SDCORE_BASE
@ -43,9 +41,7 @@ int sdcard_wait_cmd_done(void) {
unsigned int cmdevt;
while (1) {
cmdevt = sdcore_cmdevt_read();
#ifdef SDCARD_WAIT_WORKAROUND
busy_wait_us(100); /* FIXME */
#endif
busy_wait_us(1);
#ifdef SDCARD_DEBUG
printf("cmdevt: %08x\n", cmdevt);
#endif
@ -71,9 +67,7 @@ int sdcard_wait_data_done(void) {
unsigned int dataevt;
while (1) {
dataevt = sdcore_dataevt_read();
#ifdef SDCARD_WAIT_WORKAROUND
busy_wait_us(100); /* FIXME */
#endif
busy_wait_us(1);
#ifdef SDCARD_DEBUG
printf("dataevt: %08x\n", dataevt);
#endif
@ -490,20 +484,16 @@ void sdcard_read(uint32_t sector, uint32_t count, uint8_t* buf)
sdreader_enable_write(1);
/* Read Block(s) from SDCard */
#ifdef SDCARD_MULTIPLE_BLOCK_SUPPORT
sdcard_set_block_count(count);
sdcard_read_multiple_block(sector, count);
#else
while (count) {
sdcard_read_single_block(sector);
sector += 1;
count -= 1;
}
#ifdef SDCARD_CMD23_SUPPORT
sdcard_set_block_count(count);
#endif
sdcard_read_multiple_block(sector, count);
/* Wait for DMA Writer to complete */
while ((sdreader_done_read() & 0x1) == 0);
sdcard_stop_transmission();
flush_cpu_dcache(); /* FIXME */
}
@ -521,11 +511,13 @@ void sdcard_write(uint32_t sector, uint32_t count, uint8_t* buf)
while ((sdwriter_done_read() & 0x1) == 0);
/* Write Single Block to SDCard */
#ifdef SDCARD_MULTIPLE_BLOCK_SUPPORT
#ifndef SDCARD_CMD23_SUPPORT
sdcard_set_block_count(1);
#endif
sdcard_write_single_block(sector);
sdcard_stop_transmission();
/* Update buf/sector */
buf += 512;
sector += 1;