diff options
| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-08-10 23:16:01 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2012-08-10 23:16:01 +0000 |
| commit | 66fcc36c58e7670ef627985cc37ac99dc747c02f (patch) | |
| tree | 969736e418ff3726b6011df9b883698f14f4a468 | |
| parent | cd2148566595547e7adb17e804fa494fb5bc7126 (diff) | |
| download | nuttx-66fcc36c58e7670ef627985cc37ac99dc747c02f.tar.gz nuttx-66fcc36c58e7670ef627985cc37ac99dc747c02f.tar.bz2 nuttx-66fcc36c58e7670ef627985cc37ac99dc747c02f.zip | |
Back out the last STM32 DMA priority change. It is not necessary; just dropping the SD frequency was sufficient
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5021 42af7a65-404d-4744-a932-0658087f49c3
| -rw-r--r-- | nuttx/ChangeLog | 3 | ||||
| -rw-r--r-- | nuttx/arch/arm/src/stm32/stm32f20xxx_dma.c | 4 | ||||
| -rw-r--r-- | nuttx/arch/arm/src/stm32/stm32f40xxx_dma.c | 4 |
3 files changed, 7 insertions, 4 deletions
diff --git a/nuttx/ChangeLog b/nuttx/ChangeLog index 3889dcd22..364de21a3 100644 --- a/nuttx/ChangeLog +++ b/nuttx/ChangeLog @@ -3151,3 +3151,6 @@ frequency from 24 to 16 MHz. Apparently 24 MHz is too fast for the board. This (plus the change to the STM32 DMA (above) fixes SDIO DMA on the STM3240G-EVAL (and probably STM3220G-EVAL -- untested). + * arch/arm/src/stm32/stm32f2xx_dma.c and stm32f4xx_dma.c: Backed out the + DMA priority change just above. The reduced SD card frequency was + necessary and sufficient to resolve the problem. diff --git a/nuttx/arch/arm/src/stm32/stm32f20xxx_dma.c b/nuttx/arch/arm/src/stm32/stm32f20xxx_dma.c index f0d6bb4cd..55aab352f 100644 --- a/nuttx/arch/arm/src/stm32/stm32f20xxx_dma.c +++ b/nuttx/arch/arm/src/stm32/stm32f20xxx_dma.c @@ -721,11 +721,11 @@ void stm32_dmasetup(DMA_HANDLE handle, uint32_t paddr, uint32_t maddr, regval = dmast_getreg(dmast, STM32_DMA_SCR_OFFSET); regval &= ~(DMA_SCR_PFCTRL|DMA_SCR_DIR_MASK|DMA_SCR_PINC|DMA_SCR_MINC| DMA_SCR_PSIZE_MASK|DMA_SCR_MSIZE_MASK|DMA_SCR_PINCOS| - DMA_SCR_CIRC|DMA_SCR_DBM|DMA_SCR_CT|DMA_SCR_PL_MASK| + DMA_SCR_CIRC|DMA_SCR_DBM|DMA_SCR_CT| DMA_SCR_PBURST_MASK|DMA_SCR_MBURST_MASK); scr &= (DMA_SCR_PFCTRL|DMA_SCR_DIR_MASK|DMA_SCR_PINC|DMA_SCR_MINC| DMA_SCR_PSIZE_MASK|DMA_SCR_MSIZE_MASK|DMA_SCR_PINCOS| - DMA_SCR_DBM|DMA_SCR_CIRC|DMA_SCR_PL_MASK| + DMA_SCR_DBM|DMA_SCR_CIRC| DMA_SCR_PBURST_MASK|DMA_SCR_MBURST_MASK); regval |= scr; dmast->nonstop = (scr & (DMA_SCR_DBM|DMA_SCR_CIRC)) != 0; diff --git a/nuttx/arch/arm/src/stm32/stm32f40xxx_dma.c b/nuttx/arch/arm/src/stm32/stm32f40xxx_dma.c index 907650b1d..dcbbf1856 100644 --- a/nuttx/arch/arm/src/stm32/stm32f40xxx_dma.c +++ b/nuttx/arch/arm/src/stm32/stm32f40xxx_dma.c @@ -721,11 +721,11 @@ void stm32_dmasetup(DMA_HANDLE handle, uint32_t paddr, uint32_t maddr, regval = dmast_getreg(dmast, STM32_DMA_SCR_OFFSET); regval &= ~(DMA_SCR_PFCTRL|DMA_SCR_DIR_MASK|DMA_SCR_PINC|DMA_SCR_MINC| DMA_SCR_PSIZE_MASK|DMA_SCR_MSIZE_MASK|DMA_SCR_PINCOS| - DMA_SCR_CIRC|DMA_SCR_DBM|DMA_SCR_CT|DMA_SCR_PL_MASK| + DMA_SCR_CIRC|DMA_SCR_DBM|DMA_SCR_CT| DMA_SCR_PBURST_MASK|DMA_SCR_MBURST_MASK); scr &= (DMA_SCR_PFCTRL|DMA_SCR_DIR_MASK|DMA_SCR_PINC|DMA_SCR_MINC| DMA_SCR_PSIZE_MASK|DMA_SCR_MSIZE_MASK|DMA_SCR_PINCOS| - DMA_SCR_DBM|DMA_SCR_CIRC|DMA_SCR_PL_MASK| + DMA_SCR_DBM|DMA_SCR_CIRC| DMA_SCR_PBURST_MASK|DMA_SCR_MBURST_MASK); regval |= scr; dmast->nonstop = (scr & (DMA_SCR_DBM|DMA_SCR_CIRC)) != 0; |