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mtd: spi: spi-nor-core: Add back U-Boot specific features

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For legacy reasons, we will have to keep around U-Boot specific
SPI_FLASH_BAR and SPI_TX_BYTE. Add them back to the new framework

Signed-off-by: Vignesh R <vigneshr@ti.com>
Reviewed-by: Jagan Teki <jagan@openedev.com>
Tested-by: Jagan Teki <jagan@amarulasolutions.com> #zynq-microzed
This commit is contained in:
Vignesh R
2019-02-05 11:29:21 +05:30
committed by Jagan Teki
parent 0c6f187cdb
commit 8c927809ea
2 changed files with 168 additions and 3 deletions
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9
include/linux/mtd/spi-nor.h
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@@ -105,6 +105,7 @@
/* Used for Spansion flashes only. */
#define SPINOR_OP_BRWR 0x17 /* Bank register write */
#define SPINOR_OP_BRRD 0x16 /* Bank register read */
#define SPINOR_OP_CLSR 0x30 /* Clear status register 1 */
/* Used for Micron flashes only. */
@@ -256,6 +257,9 @@ struct flash_info;
* @read_opcode: the read opcode
* @read_dummy: the dummy needed by the read operation
* @program_opcode: the program opcode
* @bank_read_cmd: Bank read cmd
* @bank_write_cmd: Bank write cmd
* @bank_curr: Current flash bank
* @sst_write_second: used by the SST write operation
* @flags: flag options for the current SPI-NOR (SNOR_F_*)
* @read_proto: the SPI protocol for read operations
@@ -291,6 +295,11 @@ struct spi_nor {
u8 read_opcode;
u8 read_dummy;
u8 program_opcode;
#ifdef CONFIG_SPI_FLASH_BAR
u8 bank_read_cmd;
u8 bank_write_cmd;
u8 bank_curr;
#endif
enum spi_nor_protocol read_proto;
enum spi_nor_protocol write_proto;
enum spi_nor_protocol reg_proto;