Nyaaori/rockbox
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

AMSv2: only switch sd cards to high speed mode for for v2 sd cards, just like is done for AMSv1

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28808 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Bertrik Sikken 2010-12-12 14:04:07 +00:00
parent 7b3c7db486
commit 9da76f3031
1 changed files with 17 additions and 14 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

31
firmware/target/arm/as3525/sd-as3525v2.c
View file

@ -541,23 +541,26 @@ static int sd_init_card(const int drive)
#endif
/* End of Card Identification Mode ************************************/
/* Attempt to switch cards to HS timings, non HS cards just ignore this */
/* CMD7 w/rca: Select card to put it in TRAN state */
if(!send_cmd(drive, SD_SELECT_CARD, card_info[drive].rca, MCI_NO_RESP, NULL))
return -7;
if (sd_v2)
{
/* Attempt to switch cards to HS timings, non HS cards just ignore this */
/* CMD7 w/rca: Select card to put it in TRAN state */
if(!send_cmd(drive, SD_SELECT_CARD, card_info[drive].rca, MCI_NO_RESP, NULL))
return -7;
if(sd_wait_for_tran_state(drive))
return -8;
if(sd_wait_for_tran_state(drive))
return -8;
/* CMD6 */
if(!send_cmd(drive, SD_SWITCH_FUNC, 0x80fffff1, MCI_NO_RESP, NULL))
return -9;
mci_delay();
/* CMD6 */
if(!send_cmd(drive, SD_SWITCH_FUNC, 0x80fffff1, MCI_NO_RESP, NULL))
return -9;
mci_delay();
/* We need to go back to STBY state now so we can read csd */
/* CMD7 w/rca=0: Deselect card to put it in STBY state */
if(!send_cmd(drive, SD_DESELECT_CARD, 0, MCI_NO_RESP, NULL))
return -10;
/* We need to go back to STBY state now so we can read csd */
/* CMD7 w/rca=0: Deselect card to put it in STBY state */
if(!send_cmd(drive, SD_DESELECT_CARD, 0, MCI_NO_RESP, NULL))
return -10;
}
/* CMD9 send CSD */
if(!send_cmd(drive, SD_SEND_CSD, card_info[drive].rca,