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spi: ti_qspi: Add delay for successful bulk erase.

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Bulk erase is not happening properly on dra7 due to erase timing constraints,
add a delay so that erase timing constraints are properly met.

Signed-off-by: Sourav Poddar <sourav.poddar@ti.com>
Tested-by: Yebio Mesfin <ymesfin@ti.com>
This commit is contained in:
Poddar, Sourav 2014-04-03 07:52:54 -04:00 • committed by Tom Rini
parent d3289aac64
commit b545a98f5d
1 changed files with 3 additions and 0 deletions
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3
drivers/spi/ti_qspi.c
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@ -314,6 +314,9 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
qslave->cmd |= QSPI_RD_SNGL; qslave->cmd |= QSPI_RD_SNGL;
debug("rx cmd %08x dc %08x\n", debug("rx cmd %08x dc %08x\n",
qslave->cmd, qslave->dc); qslave->cmd, qslave->dc);
#ifdef CONFIG_DRA7XX
udelay(500);
#endif
writel(qslave->cmd, &qslave->base->cmd); writel(qslave->cmd, &qslave->base->cmd);
status = readl(&qslave->base->status); status = readl(&qslave->base->status);
timeout = QSPI_TIMEOUT; timeout = QSPI_TIMEOUT;