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liblitesdcard/sdcard: increase busy_wait and use common timeout.

This commit is contained in:
Florent Kermarrec 2020-06-25 20:07:39 +02:00
parent e8f84c96a7
commit 4094a6ec3a
1 changed files with 3 additions and 4 deletions
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7
litex/soc/software/liblitesdcard/sdcard.c
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@ -42,7 +42,7 @@ int sdcard_wait_cmd_done(void) {
while (1) {
cmdevt = sdcore_cmdevt_read();
#ifdef SDCARD_WAIT_WORKAROUND
busy_wait_us(40); /* FIXME */
busy_wait_us(100); /* FIXME */
#endif
#ifdef SDCARD_DEBUG
printf("cmdevt: %08x\n", cmdevt);
@ -70,7 +70,7 @@ int sdcard_wait_data_done(void) {
while (1) {
dataevt = sdcore_dataevt_read();
#ifdef SDCARD_WAIT_WORKAROUND
busy_wait_us(1); /* FIXME */
busy_wait_us(100); /* FIXME */
#endif
#ifdef SDCARD_DEBUG
printf("dataevt: %08x\n", dataevt);
@ -420,8 +420,7 @@ int sdcard_init(void) {
unsigned short rca;
/* initialize SD driver parameters */
sdcore_cmdtimeout_write(1<<19);
sdcore_datatimeout_write(1<<19);
sdcore_timeout_write(1<<19);
/* reset card */
sdcard_go_idle();