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mtd: spi-nor-core: Read status by Read Any Register

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The spansion_sr_ready() reads status register 1 by Read Any Register
commnad. This function is called from Flash specific hook with die address
and dummy cycles to support multi-die package parts from Spansion/Cypress.

Signed-off-by: Takahiro Kuwano <Takahiro.Kuwano@infineon.com>
Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
Reviewed-by: Jagan Teki <jagan@amarulasolutions.com>
This commit is contained in:
Takahiro Kuwano
2021-06-29 15:01:01 +09:00
committed by Jagan Teki
parent 24b1e2c690
commit d2d79895da
2 changed files with 30 additions and 0 deletions
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include/linux/mtd/spi-nor.h
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@@ -125,6 +125,7 @@
#define SPINOR_OP_CLSR 0x30 /* Clear status register 1 */
#define SPINOR_OP_RDAR 0x65 /* Read any register */
#define SPINOR_OP_WRAR 0x71 /* Write any register */
#define SPINOR_REG_ADDR_STR1V 0x00800000
#define SPINOR_REG_ADDR_CFR1V 0x00800002
/* Used for Micron flashes only. */