[U-Boot] [PATCH v2 1/2] spi: fsl_qspi: Add support for one chip select

[Suresh Gupta]

SOC’s like LS1012A has only one chip select signal
out to connect with flash. So at one time only one
flash is active and it is not possible to scan other
flash at run time.

Signed-off-by: Suresh Gupta <suresh.gupta at nxp.com>
---
 drivers/spi/fsl_qspi.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/spi/fsl_qspi.c b/drivers/spi/fsl_qspi.c
index b2a0583..e61c67b 100644
--- a/drivers/spi/fsl_qspi.c
+++ b/drivers/spi/fsl_qspi.c
@@ -1037,8 +1037,11 @@ static int fsl_qspi_probe(struct udevice *bus)
 	 * setting the size of these devices to 0.  This would ensure
 	 * that the complete memory map is assigned to only one flash device.
 	 */
-	qspi_write32(priv->flags, &priv->regs->sfa1ad, priv->amba_base[1]);
+	qspi_write32(priv->flags, &priv->regs->sfa1ad,
+		     priv->amba_base[0] + amba_size_per_chip);
 	switch (priv->num_chipselect) {
+	case 1:
+		break;
 	case 2:
 		qspi_write32(priv->flags, &priv->regs->sfa2ad,
 			     priv->amba_base[1]);
-- 
1.9.3