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drivers: memc: stm32 psram: Fix XSPI configuration for performance

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Correct XSPI configuration in order to improve PSRAM access on the
STM32N6 discovery board.
Ideally, this should be defined by device tree, but I'm fixing
the only user for now.

Signed-off-by: Erwan Gouriou <erwan.gouriou@st.com>
This commit is contained in:
Erwan Gouriou 2025-06-17 17:31:40 +02:00 • committed by Dan Kalowsky
commit 41664ebda0
1 changed files with 2 additions and 2 deletions
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4
drivers/memc/memc_stm32_xspi_psram.c
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@ -389,12 +389,12 @@ static struct memc_stm32_xspi_psram_data memc_stm32_xspi_data = {
.hxspi = {
.Instance = (XSPI_TypeDef *)DT_REG_ADDR(STM32_XSPI_NODE),
.Init = {
.FifoThresholdByte = 8U,
.FifoThresholdByte = 2U,
.MemoryMode = HAL_XSPI_SINGLE_MEM,
.MemoryType = (DT_INST_PROP(0, io_x16_mode) ?
HAL_XSPI_MEMTYPE_APMEM_16BITS :
HAL_XSPI_MEMTYPE_APMEM),
.ChipSelectHighTimeCycle = 1U,
.ChipSelectHighTimeCycle = 5U,
.FreeRunningClock = HAL_XSPI_FREERUNCLK_DISABLE,
.ClockMode = HAL_XSPI_CLOCK_MODE_0,
.WrapSize = HAL_XSPI_WRAP_NOT_SUPPORTED,