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qspipsu: Modified Bus width during dummy phase in examples.

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This patch modifies the Bus width value during dummy phase
in examples since it is recommended to be same as in
data phase.

Signed-off-by: P L Sai Krishna <lakshmis@xilinx.com>
This commit is contained in:
P L Sai Krishna 2015-06-15 20:32:26 +05:30 • committed by Nava kishore Manne
parent 3459d888f6
commit fdf41ec349
2 changed files with 26 additions and 6 deletions
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16
XilinxProcessorIPLib/drivers/qspipsu/examples/xqspipsu_generic_flash_interrupt_example.c
View file

@ -1236,10 +1236,20 @@ int FlashRead(XQspiPsu *QspiPsuPtr, u32 Address, u32 ByteCount, u8 Command,
/* Update Dummy cycles as per flash specs for QUAD IO */
/*
* Bus width of dummy phase is recommended to be the same as
* address phase
* It is recommended that Bus width value during dummy
* phase should be same as data phase
*/
FlashMsg[1].BusWidth = FlashMsg[0].BusWidth;
if ((Command == FAST_READ_CMD) || (Command == FAST_READ_CMD_4B)) {
FlashMsg[1].BusWidth = XQSPIPSU_SELECT_MODE_SPI;
}
if ((Command == DUAL_READ_CMD) || (Command == DUAL_READ_CMD_4B)) {
FlashMsg[1].BusWidth = XQSPIPSU_SELECT_MODE_DUALSPI;
}
if ((Command == QUAD_READ_CMD) || (Command == QUAD_READ_CMD_4B)) {
FlashMsg[1].BusWidth = XQSPIPSU_SELECT_MODE_QUADSPI;
}
FlashMsg[1].TxBfrPtr = NULL;
FlashMsg[1].RxBfrPtr = NULL;

16
XilinxProcessorIPLib/drivers/qspipsu/examples/xqspipsu_generic_flash_polled_example.c
View file

@ -1154,10 +1154,20 @@ int FlashRead(XQspiPsu *QspiPsuPtr, u32 Address, u32 ByteCount, u8 Command,
/* Update Dummy cycles as per flash specs for QUAD IO */
/*
* Bus width of dummy phase is recommended to be the same as
* address phase
* It is recommended that Bus width value during dummy
* phase should be same as data phase
*/
FlashMsg[1].BusWidth = FlashMsg[0].BusWidth;
if ((Command == FAST_READ_CMD) || (Command == FAST_READ_CMD_4B)) {
FlashMsg[1].BusWidth = XQSPIPSU_SELECT_MODE_SPI;
}
if ((Command == DUAL_READ_CMD) || (Command == DUAL_READ_CMD_4B)) {
FlashMsg[1].BusWidth = XQSPIPSU_SELECT_MODE_DUALSPI;
}
if ((Command == QUAD_READ_CMD) || (Command == QUAD_READ_CMD_4B)) {
FlashMsg[1].BusWidth = XQSPIPSU_SELECT_MODE_QUADSPI;
}
FlashMsg[1].TxBfrPtr = NULL;
FlashMsg[1].RxBfrPtr = NULL;