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Merge pull request #583 from gsomlo/gls-sdcard-timeout 

liblitesdcard/sdcard: adjust card-ready timeout
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enjoy-digital 2020-07-07 08:06:55 +02:00 committed by GitHub
parent e473c6f29e 6fdb36b84a
commit 0a3095ead2
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 3 additions and 5 deletions
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8
litex/soc/software/liblitesdcard/sdcard.c
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@ -448,7 +448,7 @@ void sdcard_decode_csd(void) {
int sdcard_init(void) {
unsigned short rca;
uint16_t timeout;
uint16_t timeout;
/* initialize freq */
sdcard_set_clk_freq(16000000);
@ -462,15 +462,13 @@ int sdcard_init(void) {
busy_wait(1);
sdcard_send_ext_csd();
/* wait for card to be ready */
timeout = 10;
while (timeout) {
for (timeout = 128; timeout > 0; timeout--) {
sdcard_app_cmd(0);
sdcard_app_send_op_cond(1, 0);
if (sdcard_response[3] & 0x80000000) {
break;
}
busy_wait(1);
timeout--;
busy_wait(10);
}
if (timeout == 0)
return 0;