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spi: zynqmp_gqspi: Fix tap delay values at 100MHz and 150MHz

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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>
This commit is contained in:
Siva Durga Prasad Paladugu 2019-03-07 16:08:48 +05:30 • committed by Michal Simek
parent d6cedcc0cd
commit 1a474381b6
1 changed files with 2 additions and 2 deletions
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4
drivers/spi/zynqmp_gqspi.c
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@ -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(&regs->lpbkdly);
lpbkdlyadj |= ((GQSPI_LPBK_DLY_ADJ_LPBK_MASK) |
GQSPI_LPBK_DLY_ADJ_DLY_0);