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SAMV71 QSPI: Use new QSPI interface. Can't use SPI interface as planned; the hardware architectue is too different

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This commit is contained in:
Gregory Nutt 2015-08-25 15:23:59 -06:00
parent fa9522da41
commit 768aba20ad
3 changed files with 216 additions and 591 deletions
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2
arch/arm/src/samv7/chip/sam_qspi.h
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@ -174,7 +174,7 @@
#define QSPI_INT_OVRES (1 << 3) /* Bit 3: Overrun Error Interrupt */
#define QSPI_INT_CSR (1 << 8) /* Bit 8: Chip Select Rise Interrupt */
#define QSPI_SR_CSS (1 << 9) /* Bit 9: Chip Select Status Interrupt */
#define QSPI_SR_INTSTRE (1 << 10) /* Bit 10: Instruction End Status Interrupt */
#define QSPI_SR_INSTRE (1 << 10) /* Bit 10: Instruction End Status Interrupt */
#define QSPI_SR_QSPIENS (1 << 24) /* Bit 24: QSPI Enable Status (SR only) */
#define QSPI_INT_ALL (0x0000070f)

802
arch/arm/src/samv7/sam_qspi.c
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3
arch/arm/src/samv7/sam_qspi.h
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@ -95,7 +95,8 @@ extern "C"
*
****************************************************************************/
FAR struct spi_dev_s *sam_qspi_initialize(int intf);
struct qspi_dev_s;
FAR struct qspi_dev_s *sam_qspi_initialize(int intf);
#undef EXTERN
#if defined(__cplusplus)