From: Siva Durga Prasad Paladugu siva.durga.paladugu@xilinx.com
This patch fixes the tap delay values to be set at 100MHz and 150MHz as per TRM by fixing the if condition to use <= instead of <.
Signed-off-by: Siva Durga Prasad Paladugu siva.durga.paladugu@xilinx.com Signed-off-by: Michal Simek michal.simek@xilinx.com ---
drivers/spi/zynqmp_gqspi.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/spi/zynqmp_gqspi.c b/drivers/spi/zynqmp_gqspi.c index da9413c06615..04ea42cbccc4 100644 --- a/drivers/spi/zynqmp_gqspi.c +++ b/drivers/spi/zynqmp_gqspi.c @@ -267,7 +267,7 @@ void zynqmp_qspi_set_tapdelay(struct udevice *bus, u32 baudrateval) zynqmp_mmio_read(IOU_TAPDLY_BYPASS_OFST, &tapdlybypass); tapdlybypass |= (TAP_DLY_BYPASS_LQSPI_RX_VALUE << TAP_DLY_BYPASS_LQSPI_RX_SHIFT); - } else if (reqhz < GQSPI_FREQ_100MHZ) { + } else if (reqhz <= GQSPI_FREQ_100MHZ) { zynqmp_mmio_read(IOU_TAPDLY_BYPASS_OFST, &tapdlybypass); tapdlybypass |= (TAP_DLY_BYPASS_LQSPI_RX_VALUE << TAP_DLY_BYPASS_LQSPI_RX_SHIFT); @@ -277,7 +277,7 @@ void zynqmp_qspi_set_tapdelay(struct udevice *bus, u32 baudrateval) datadlyadj |= ((GQSPI_USE_DATA_DLY << GQSPI_USE_DATA_DLY_SHIFT) | (GQSPI_DATA_DLY_ADJ_VALUE << GQSPI_DATA_DLY_ADJ_SHIFT)); - } else if (reqhz < GQSPI_FREQ_150MHZ) { + } else if (reqhz <= GQSPI_FREQ_150MHZ) { lpbkdlyadj = readl(®s->lpbkdly); lpbkdlyadj |= ((GQSPI_LPBK_DLY_ADJ_LPBK_MASK) | GQSPI_LPBK_DLY_ADJ_DLY_0);