w25q64.c File Reference

#include <string.h>
#include <soc/spi.h>

Include dependency graph for w25q64.c:

Go to the source code of this file.

Macros
#define	SPI_OPMENU_0   0x01 /* WRSR: Write Status Register */
#define	SPI_OPTYPE_0   0x01 /* Write, no address */
#define	SPI_OPMENU_1   0x02 /* BYPR: Byte Program */
#define	SPI_OPTYPE_1   0x03 /* Write, address required */
#define	SPI_OPMENU_2   0x03 /* READ: Read Data */
#define	SPI_OPTYPE_2   0x02 /* Read, address required */
#define	SPI_OPMENU_3   0x05 /* RDSR: Read Status Register */
#define	SPI_OPTYPE_3   0x00 /* Read, no address */
#define	SPI_OPMENU_4   0x20 /* SE20: Sector Erase 0x20 */
#define	SPI_OPTYPE_4   0x03 /* Write, address required */
#define	SPI_OPMENU_5   0x9f /* RDID: Read ID */
#define	SPI_OPTYPE_5   0x00 /* Read, no address */
#define	SPI_OPMENU_6   0xd8 /* BED8: Block Erase 0xd8 */
#define	SPI_OPTYPE_6   0x03 /* Write, address required */
#define	SPI_OPMENU_7   0x0b /* FAST: Fast Read */
#define	SPI_OPTYPE_7   0x02 /* Read, address required */
#define	SPI_OPPREFIX   ((0x50 << 8) | 0x06) /* EWSR and WREN */
#define	SPI_OPTYPE
#define	SPI_OPMENU_UPPER
#define	SPI_OPMENU_LOWER
#define	SPI_VSCC   (WG_64_BYTE | EO(0x20) | BES_4_KB)

Functions
int	mainboard_get_spi_config (struct spi_config *cfg)

Variables
static const struct spi_config	spi_config

Macro Definition Documentation

SPI_OPMENU_0

#define SPI_OPMENU_0   0x01 /* WRSR: Write Status Register */

Definition at line 9 of file w25q64.c.

SPI_OPMENU_1

#define SPI_OPMENU_1   0x02 /* BYPR: Byte Program */

Definition at line 12 of file w25q64.c.

SPI_OPMENU_2

#define SPI_OPMENU_2   0x03 /* READ: Read Data */

Definition at line 15 of file w25q64.c.

SPI_OPMENU_3

#define SPI_OPMENU_3   0x05 /* RDSR: Read Status Register */

Definition at line 18 of file w25q64.c.

SPI_OPMENU_4

#define SPI_OPMENU_4   0x20 /* SE20: Sector Erase 0x20 */

Definition at line 21 of file w25q64.c.

SPI_OPMENU_5

#define SPI_OPMENU_5   0x9f /* RDID: Read ID */

Definition at line 24 of file w25q64.c.

SPI_OPMENU_6

#define SPI_OPMENU_6   0xd8 /* BED8: Block Erase 0xd8 */

Definition at line 27 of file w25q64.c.

SPI_OPMENU_7

#define SPI_OPMENU_7   0x0b /* FAST: Fast Read */

Definition at line 30 of file w25q64.c.

SPI_OPMENU_LOWER

#define SPI_OPMENU_LOWER

Value:

                          ((SPI_OPMENU_3 << 24) | (SPI_OPMENU_2 << 16) | \
                          (SPI_OPMENU_1 <<  8) | (SPI_OPMENU_0 <<  0))

Definition at line 40 of file w25q64.c.

SPI_OPMENU_UPPER

#define SPI_OPMENU_UPPER

Value:

                          ((SPI_OPMENU_7 << 24) | (SPI_OPMENU_6 << 16) | \
                          (SPI_OPMENU_5 <<  8) | (SPI_OPMENU_4 <<  0))

Definition at line 38 of file w25q64.c.

SPI_OPPREFIX

#define SPI_OPPREFIX   ((0x50 << 8) | 0x06) /* EWSR and WREN */

Definition at line 33 of file w25q64.c.

SPI_OPTYPE

#define SPI_OPTYPE

Value:

                    ((SPI_OPTYPE_7 << 14) | (SPI_OPTYPE_6 << 12) | \
                    (SPI_OPTYPE_5 << 10) | (SPI_OPTYPE_4 <<  8) | \
                    (SPI_OPTYPE_3 <<  6) | (SPI_OPTYPE_2 <<  4) | \
                    (SPI_OPTYPE_1 <<  2) | (SPI_OPTYPE_0 <<  0))

Definition at line 34 of file w25q64.c.

SPI_OPTYPE_0

#define SPI_OPTYPE_0   0x01 /* Write, no address */

Definition at line 10 of file w25q64.c.

SPI_OPTYPE_1

#define SPI_OPTYPE_1   0x03 /* Write, address required */

Definition at line 13 of file w25q64.c.

SPI_OPTYPE_2

#define SPI_OPTYPE_2   0x02 /* Read, address required */

Definition at line 16 of file w25q64.c.

SPI_OPTYPE_3

#define SPI_OPTYPE_3   0x00 /* Read, no address */

Definition at line 19 of file w25q64.c.

SPI_OPTYPE_4

#define SPI_OPTYPE_4   0x03 /* Write, address required */

Definition at line 22 of file w25q64.c.

SPI_OPTYPE_5

#define SPI_OPTYPE_5   0x00 /* Read, no address */

Definition at line 25 of file w25q64.c.

SPI_OPTYPE_6

#define SPI_OPTYPE_6   0x03 /* Write, address required */

Definition at line 28 of file w25q64.c.

SPI_OPTYPE_7

#define SPI_OPTYPE_7   0x02 /* Read, address required */

Definition at line 31 of file w25q64.c.

SPI_VSCC

#define SPI_VSCC   (WG_64_BYTE | EO(0x20) | BES_4_KB)

Definition at line 42 of file w25q64.c.

Function Documentation

mainboard_get_spi_config()

int mainboard_get_spi_config

(

struct spi_config *

cfg

)

Definition at line 52 of file w25q64.c.

References memcpy().

Here is the call graph for this function:

Variable Documentation

spi_config

const struct spi_config spi_config

static

Initial value:

= {
        .preop = SPI_OPPREFIX,
        .optype = SPI_OPTYPE,
        .opmenu = { SPI_OPMENU_LOWER, SPI_OPMENU_UPPER },
        .lvscc =  SPI_VSCC,
        .uvscc =  SPI_VSCC,
}

Definition at line 1 of file w25q64.c.