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authorTom Rini <[email protected]>2022-07-18 15:37:38 -0400
committerTom Rini <[email protected]>2022-07-18 15:37:38 -0400
commit905e779b9e0bd29255ebc6244f017690fdc10fc4 (patch)
treef89cf036d16b31ded49d9e541d12636ab57c7801 /include
parent26f6f7fb5c0651d65afdee6d8ed36063606179a8 (diff)
parent47ed8b22fd561b65e8541919becc76ab3d86f7a3 (diff)
Merge branch 'master' of https://source.denx.de/u-boot/custodians/u-boot-spi
- add Macronix Octal flash (JaimeLiao)
Diffstat (limited to 'include')
-rw-r--r--include/linux/mtd/spi-nor.h17
1 files changed, 14 insertions, 3 deletions
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
index 4ceeae623de..2595bad9dfe 100644
--- a/include/linux/mtd/spi-nor.h
+++ b/include/linux/mtd/spi-nor.h
@@ -119,6 +119,16 @@
/* Used for Macronix and Winbond flashes. */
#define SPINOR_OP_EN4B 0xb7 /* Enter 4-byte mode */
#define SPINOR_OP_EX4B 0xe9 /* Exit 4-byte mode */
+#define SPINOR_OP_EN4B 0xb7 /* Enter 4-byte mode */
+#define SPINOR_OP_EX4B 0xe9 /* Exit 4-byte mode */
+#define SPINOR_OP_RD_CR2 0x71 /* Read configuration register 2 */
+#define SPINOR_OP_WR_CR2 0x72 /* Write configuration register 2 */
+#define SPINOR_OP_MXIC_DTR_RD 0xee /* Fast Read opcode in DTR mode */
+#define SPINOR_REG_MXIC_CR2_MODE 0x00000000 /* For setting octal DTR mode */
+#define SPINOR_REG_MXIC_OPI_DTR_EN 0x2 /* Enable Octal DTR */
+#define SPINOR_REG_MXIC_CR2_DC 0x00000300 /* For setting dummy cycles */
+#define SPINOR_REG_MXIC_DC_20 0x0 /* Setting dummy cycles to 20 */
+#define MXIC_MAX_DC 20 /* Maximum value of dummy cycles */
/* Used for Spansion flashes only. */
#define SPINOR_OP_BRWR 0x17 /* Bank register write */
@@ -280,6 +290,7 @@ enum spi_nor_option_flags {
SNOR_F_USE_CLSR = BIT(5),
SNOR_F_BROKEN_RESET = BIT(6),
SNOR_F_SOFT_RESET = BIT(7),
+ SNOR_F_IO_MODE_EN_VOLATILE = BIT(8),
};
struct spi_nor;
@@ -506,8 +517,8 @@ struct spi_flash {
* spi-nor will send the erase opcode via write_reg()
* @flash_lock: [FLASH-SPECIFIC] lock a region of the SPI NOR
* @flash_unlock: [FLASH-SPECIFIC] unlock a region of the SPI NOR
- * @flash_is_locked: [FLASH-SPECIFIC] check if a region of the SPI NOR is
- * completely locked
+ * @flash_is_unlocked: [FLASH-SPECIFIC] check if a region of the SPI NOR is
+ * completely unlocked
* @quad_enable: [FLASH-SPECIFIC] enables SPI NOR quad mode
* @octal_dtr_enable: [FLASH-SPECIFIC] enables SPI NOR octal DTR mode.
* @ready: [FLASH-SPECIFIC] check if the flash is ready
@@ -556,7 +567,7 @@ struct spi_nor {
int (*flash_lock)(struct spi_nor *nor, loff_t ofs, uint64_t len);
int (*flash_unlock)(struct spi_nor *nor, loff_t ofs, uint64_t len);
- int (*flash_is_locked)(struct spi_nor *nor, loff_t ofs, uint64_t len);
+ int (*flash_is_unlocked)(struct spi_nor *nor, loff_t ofs, uint64_t len);
int (*quad_enable)(struct spi_nor *nor);
int (*octal_dtr_enable)(struct spi_nor *nor);
int (*ready)(struct spi_nor *nor);