diff options
Diffstat (limited to 'meta-steppeeagle/recipes-applications/spi-test/files/spirom.h')
-rw-r--r-- | meta-steppeeagle/recipes-applications/spi-test/files/spirom.h | 53 |
1 files changed, 0 insertions, 53 deletions
diff --git a/meta-steppeeagle/recipes-applications/spi-test/files/spirom.h b/meta-steppeeagle/recipes-applications/spi-test/files/spirom.h deleted file mode 100644 index 941b357a..00000000 --- a/meta-steppeeagle/recipes-applications/spi-test/files/spirom.h +++ /dev/null @@ -1,53 +0,0 @@ -#ifndef SPIROM_H -#define SPIROM_H - -#include <linux/types.h> - -/*---------------------------------------------------------------------------*/ - -/* IOCTL commands */ - -#define SPI_IOC_MAGIC 'k' - -#define TRANSMIT 1 -#define RECEIVE 2 - -/* - * struct spi_ioc_transfer - interface structure between application and ioctl - * - * @buf: Buffer to hold 1-byte command, 3-bytes address, and 64-byte data for - * transmit or receive. The internal FIFO of our controller can hold a - * maximum of 70 bytes, including the address. But here we assume the - * maximum data excluding address to be 64-bytes long. - * - * @direction: Direction of data transfer, either TRANSMIT or RECEIVE. - * - * @len: Length of data excluding command and address. - * - * @addr_present: Flag to indicate whether 'buf' above contains an address. - */ -struct spi_ioc_transfer { - __u8 buf[64 + 1 + 3]; - __u8 direction; - __u8 len; - __u8 addr_present; -}; - -/* not all platforms use <asm-generic/ioctl.h> or _IOC_TYPECHECK() ... */ -#define SPI_MSGSIZE(N) \ - ((((N)*(sizeof (struct spi_ioc_transfer))) < (1 << _IOC_SIZEBITS)) \ - ? ((N)*(sizeof (struct spi_ioc_transfer))) : 0) -#define SPI_IOC_MESSAGE(N) _IOW(SPI_IOC_MAGIC, 0, char[SPI_MSGSIZE(N)]) - -/* SPI ROM command codes */ -#define ROM_WREN 0x06 -#define ROM_WRDI 0x04 -#define ROM_RDSR 0x05 -#define ROM_RDID 0x9F -#define ROM_CHIP_ERASE 0x60 -#define ROM_SECTOR_ERASE 0x20 -#define ROM_BLOCK_ERASE 0xD8 -#define ROM_READ 0x03 -#define ROM_WRITE 0x02 - -#endif /* SPIROM_H */ |