From 1a474381b6f709582c5d71d0d7cc826ab96f8411 Mon Sep 17 00:00:00 2001 From: Siva Durga Prasad Paladugu Date: Thu, 7 Mar 2019 16:08:48 +0530 Subject: [PATCH] spi: zynqmp_gqspi: Fix tap delay values at 100MHz and 150MHz 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 Signed-off-by: Michal Simek --- 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 da9413c066..04ea42cbcc 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); -- 2.25.1