From mboxrd@z Thu Jan 1 00:00:00 1970 From: Tom Rini Date: Mon, 7 Apr 2014 13:21:28 -0400 Subject: [U-Boot] [PATCH v2 3/5] spi: ti_qspi: Add delay for successful bulk erase. In-Reply-To: References: <1396525976-18708-1-git-send-email-trini@ti.com> <1396525976-18708-3-git-send-email-trini@ti.com> Message-ID: <20140407172128.GH23803@bill-the-cat> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Thu, Apr 03, 2014 at 08:45:42PM +0530, Jagan Teki wrote: > On Thu, Apr 3, 2014 at 5:22 PM, Tom Rini wrote: > > From: "Poddar, Sourav" > > > > 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 > > Tested-by: Yebio Mesfin > > --- > > drivers/spi/ti_qspi.c | 3 +++ > > 1 file changed, 3 insertions(+) > > > > diff --git a/drivers/spi/ti_qspi.c b/drivers/spi/ti_qspi.c > > index dfa5d0c..c5d2245 100644 > > --- a/drivers/spi/ti_qspi.c > > +++ b/drivers/spi/ti_qspi.c > > @@ -314,6 +314,9 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, > > qslave->cmd |= QSPI_RD_SNGL; > > debug("rx cmd %08x dc %08x\n", > > qslave->cmd, qslave->dc); > > + #ifdef CONFIG_DRA7XX > > + udelay(500); > > + #endif > > writel(qslave->cmd, &qslave->base->cmd); > > status = readl(&qslave->base->status); > > timeout = QSPI_TIMEOUT; > > Can't we fix this? discussed the same in previous version thread as well. Sorry, I kicked out v2 before checking my mbox again. Sourav, do you have some time to look at this again? -- Tom -------------- next part -------------- A non-text attachment was scrubbed... Name: not available Type: application/pgp-signature Size: 836 bytes Desc: Digital signature URL: