diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/configs/exynos5250-dt.h | 1 | ||||
| -rw-r--r-- | include/configs/sandbox.h | 10 | ||||
| -rw-r--r-- | include/spi.h | 23 | ||||
| -rw-r--r-- | include/spi_flash.h | 13 |
4 files changed, 41 insertions, 6 deletions
diff --git a/include/configs/exynos5250-dt.h b/include/configs/exynos5250-dt.h index 0155322..1e9c1e3 100644 --- a/include/configs/exynos5250-dt.h +++ b/include/configs/exynos5250-dt.h @@ -276,6 +276,7 @@ #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0 #define CONFIG_SF_DEFAULT_SPEED 50000000 #define EXYNOS5_SPI_NUM_CONTROLLERS 5 +#define CONFIG_OF_SPI #endif #ifdef CONFIG_ENV_IS_IN_SPI_FLASH diff --git a/include/configs/sandbox.h b/include/configs/sandbox.h index a4edc62..7e78a23 100644 --- a/include/configs/sandbox.h +++ b/include/configs/sandbox.h @@ -71,6 +71,16 @@ #define CONFIG_ENV_SIZE 8192 #define CONFIG_ENV_IS_NOWHERE +/* SPI */ +#define CONFIG_SANDBOX_SPI +#define CONFIG_CMD_SF +#define CONFIG_CMD_SF_TEST +#define CONFIG_CMD_SPI +#define CONFIG_SPI_FLASH +#define CONFIG_SPI_FLASH_SANDBOX +#define CONFIG_SPI_FLASH_STMICRO +#define CONFIG_SPI_FLASH_WINBOND + /* Memory things - we don't really want a memory test */ #define CONFIG_SYS_LOAD_ADDR 0x00000000 #define CONFIG_SYS_MEMTEST_START 0x00100000 diff --git a/include/spi.h b/include/spi.h index e2563c9..aba7922 100644 --- a/include/spi.h +++ b/include/spi.h @@ -259,13 +259,24 @@ static inline int spi_w8r8(struct spi_slave *slave, unsigned char byte) * spi_free_slave() to free it later. * * @param blob: Device tree blob - * @param node: SPI peripheral node to use - * @param cs: Chip select to use - * @param max_hz: Maximum SCK rate in Hz (0 for default) - * @param mode: Clock polarity, clock phase and other parameters + * @param slave_node: Slave node to use + * @param spi_node: SPI peripheral node to use * @return pointer to new spi_slave structure */ -struct spi_slave *spi_setup_slave_fdt(const void *blob, int node, - unsigned int cs, unsigned int max_hz, unsigned int mode); +struct spi_slave *spi_setup_slave_fdt(const void *blob, int slave_node, + int spi_node); + +/** + * spi_base_setup_slave_fdt() - helper function to set up a SPI slace + * + * This decodes SPI properties from the slave node to determine the + * chip select and SPI parameters. + * + * @blob: Device tree blob + * @busnum: Bus number to use + * @node: Device tree node for the SPI bus + */ +struct spi_slave *spi_base_setup_slave_fdt(const void *blob, int busnum, + int node); #endif /* _SPI_H_ */ diff --git a/include/spi_flash.h b/include/spi_flash.h index 25ca8f1..afc3a58 100644 --- a/include/spi_flash.h +++ b/include/spi_flash.h @@ -67,6 +67,19 @@ struct spi_flash { struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs, unsigned int max_hz, unsigned int spi_mode); + +/** + * Set up a new SPI flash from an fdt node + * + * @param blob Device tree blob + * @param slave_node Pointer to this SPI slave node in the device tree + * @param spi_node Cached pointer to the SPI interface this node belongs + * to + * @return 0 if ok, -1 on error + */ +struct spi_flash *spi_flash_probe_fdt(const void *blob, int slave_node, + int spi_node); + void spi_flash_free(struct spi_flash *flash); static inline int spi_flash_read(struct spi_flash *flash, u32 offset, |