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s32k3xx:LPSPI Check for TX complete before RX

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Co-authored-by: David Sidrane <david.sidrane@nscdg.com>
This commit is contained in:
Peter van der Perk 2022-12-05 10:15:24 +01:00 committed by Xiang Xiao
parent e7449cf97a
commit 9c27d96b8a
2 changed files with 19 additions and 12 deletions
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27
arch/arm/src/s32k3xx/s32k3xx_edma.c
View File

@ -102,6 +102,10 @@
#define EDMA_ALIGN_MASK (EDMA_ALIGN - 1)
#define EDMA_ALIGN_UP(n) (((n) + EDMA_ALIGN_MASK) & ~EDMA_ALIGN_MASK)
#ifdef CONFIG_S32K3XX_DTCM_HEAP
# define DTCM_BACKDOOR_OFFSET 0x1000000
#endif
/****************************************************************************
* Private Types
****************************************************************************/
@ -154,12 +158,6 @@ struct s32k3xx_edma_s
struct s32k3xx_dmach_s dmach[S32K3XX_EDMA_NCHANNELS];
};
#ifdef CONFIG_S32K3XX_DTCM_HEAP
extern uint8_t DTCM_BASE_ADDR[];
extern uint8_t DTCM_END_ADDR[];
#define DTCM_BACKDOOR_OFFSET 0x1000000
#endif
/****************************************************************************
* Private Data
****************************************************************************/
@ -417,6 +415,15 @@ const struct peripheral_clock_config_s edma_clockconfig[] =
#endif
};
/****************************************************************************
* Public Data
****************************************************************************/
#ifdef CONFIG_S32K3XX_DTCM_HEAP
extern uint8_t DTCM_BASE_ADDR[];
extern uint8_t DTCM_END_ADDR[];
#endif
/****************************************************************************
* Private Functions
****************************************************************************/
@ -623,14 +630,14 @@ static inline void s32k3xx_tcd_configure(struct s32k3xx_edmatcd_s *tcd,
#ifdef CONFIG_S32K3XX_DTCM_HEAP
/* Remap address to backdoor address for eDMA */
if (tcd->saddr >= (uint32_t)DTCM_BASE_ADDR
&& tcd->saddr < (uint32_t)DTCM_END_ADDR)
if (tcd->saddr >= (uint32_t)DTCM_BASE_ADDR &&
tcd->saddr < (uint32_t)DTCM_END_ADDR)
{
tcd->saddr += DTCM_BACKDOOR_OFFSET;
}
if (tcd->daddr >= (uint32_t)DTCM_BASE_ADDR
&& tcd->daddr < (uint32_t)DTCM_END_ADDR)
if (tcd->daddr >= (uint32_t)DTCM_BASE_ADDR &&
tcd->daddr < (uint32_t)DTCM_END_ADDR)
{
tcd->daddr += DTCM_BACKDOOR_OFFSET;
}

4
arch/arm/src/s32k3xx/s32k3xx_lpspi.c
View File

@ -1826,11 +1826,11 @@ static void s32k3xx_lpspi_exchange(struct spi_dev_s *dev,
/* Then wait for each to complete */
ret = spi_dmarxwait(priv);
ret = spi_dmatxwait(priv);
if (ret < 0)
{
ret = spi_dmatxwait(priv);
ret = spi_dmarxwait(priv);
}
/* Reset any status */