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xilffs_v2_3: Added support for micro SD without WP/CD check.

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This Patch add support for micro SD without WP/CD check.

Signed-off-by: P L Sai Krishna <lakshmis@xilinx.com>
This commit is contained in:
P L Sai Krishna 2014-12-04 14:39:40 +05:30 • committed by Suneel Garapati
parent 1d21bc23ba
commit 0f23b0e3fa
1 changed files with 14 additions and 8 deletions
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22
lib/sw_services/xilffs_v2_3/src/diskio.c
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@ -65,6 +65,8 @@
* condition for high speed support.
* Include xil_types.h irrespective of xsdps.h. CR# 797086.
* 2.2 hk 07/28/14 Make changes to enable use of data cache.
* 2.3 sk 12/04/14 Added support for micro SD without
* WP/CD. CR# 810655.
*
* </pre>
*
@ -146,18 +148,22 @@ DSTATUS disk_status (
#ifdef FILE_SYSTEM_INTERFACE_SD
StatusReg = XSdPs_GetPresentStatusReg(XPAR_XSDPS_0_BASEADDR);
#if XPAR_XSDPS_0_HAS_CD
if ((StatusReg & XSDPS_PSR_CARD_INSRT_MASK) == 0) {
s = STA_NODISK | STA_NOINIT;
} else {
s &= ~STA_NODISK;
if (StatusReg & XSDPS_PSR_WPS_PL_MASK){
s &= ~STA_PROTECT;
}
else{
s |= STA_PROTECT;
}
goto Label;
}
#endif
s &= ~STA_NODISK;
#if XPAR_XSDPS_0_HAS_WP
if ((StatusReg & XSDPS_PSR_WPS_PL_MASK) == 0){
s |= STA_PROTECT;
goto Label;
}
#endif
s &= ~STA_PROTECT;
Label:
Stat = s;
#endif
return s;