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xmc4: fix some CS releted issues and remove empty files
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@@ -1,7 +1,7 @@
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README for the XMC4500 Relax
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============================
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The directory provides board support for the Infinion XMC4500 Relax v1
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The directory provides board support for the Infineon XMC4500 Relax v1
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boards. There are to variants of this board: There is a Lite version
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that has fewer features, for example, no 32.768KHz crystal.
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@@ -93,7 +93,7 @@
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#ifndef __ASSEMBLY__
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/****************************************************************************
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* Public Functions
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* Public Function Prototypes
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****************************************************************************/
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/****************************************************************************
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@@ -90,10 +90,10 @@ void weak_function xmc4_spidev_initialize(void)
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*
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* Description:
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* These external functions must be provided by board-specific logic. They
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* are implementations of the select, status, and cmddata methods of the SPI
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* interface defined by struct spi_ops_s (see include/nuttx/spi/spi.h). All
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* other methods including xmc4_spibus_initialize()) are provided by common
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* Kinetis logic. To use this common SPI logic on your board:
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* are implementations of the select, status, and cmddata methods of the
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* SPI interface defined by struct spi_ops_s (see include/nuttx/spi/spi.h).
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* All other methods including xmc4_spibus_initialize()) are provided by
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* common xmc4 logic. To use this common SPI logic on your board:
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*
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* 1. Provide logic in xmc4_boardinitialize() to configure SPI chip select
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* pins.
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@@ -113,6 +113,7 @@ void weak_function xmc4_spidev_initialize(void)
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* the SPI MMC/SD driver).
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*
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****************************************************************************/
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/****************************************************************************
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* Name: xmc4_spi[n]select
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*
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