Merge branch 'master' of git://git.denx.de/u-boot-spi

[platform/kernel/u-boot.git] / drivers / mtd / spi / sf_internal.h

diff --git a/drivers/mtd/spi/sf_internal.h b/drivers/mtd/spi/sf_internal.h
index 839cdbe..46a5044 100644 (file)
--- a/drivers/mtd/spi/sf_internal.h
+++ b/drivers/mtd/spi/sf_internal.h
@@ -1,10 +1,9 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * SPI flash internal definitions
  *
  * Copyright (C) 2008 Atmel Corporation
  * Copyright (C) 2013 Jagannadha Sutradharudu Teki, Xilinx Inc.
- *
- * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #ifndef _SF_INTERNAL_H_
@@ -33,6 +32,7 @@ enum spi_nor_option_flags {
 /* CFI Manufacture ID's */
 #define SPI_FLASH_CFI_MFR_SPANSION     0x01
 #define SPI_FLASH_CFI_MFR_STMICRO      0x20
+#define SPI_FLASH_CFI_MFR_MICRON       0x2C
 #define SPI_FLASH_CFI_MFR_MACRONIX     0xc2
 #define SPI_FLASH_CFI_MFR_SST          0xbf
 #define SPI_FLASH_CFI_MFR_WINBOND      0xef
@@ -87,6 +87,19 @@ enum spi_nor_option_flags {
 
 /* SST specific */
 #ifdef CONFIG_SPI_FLASH_SST
+#define SST26_CMD_READ_BPR             0x72
+#define SST26_CMD_WRITE_BPR            0x42
+
+#define SST26_BPR_8K_NUM               4
+#define SST26_MAX_BPR_REG_LEN          (18 + 1)
+#define SST26_BOUND_REG_SIZE           ((32 + SST26_BPR_8K_NUM * 8) * SZ_1K)
+
+enum lock_ctl {
+       SST26_CTL_LOCK,
+       SST26_CTL_UNLOCK,
+       SST26_CTL_CHECK
+};
+
 # define CMD_SST_BP            0x02    /* Byte Program */
 # define CMD_SST_AAI_WP                0xAD    /* Auto Address Incr Word Program */
 
@@ -157,6 +170,9 @@ int spi_flash_cmd_write(struct spi_slave *spi, const u8 *cmd, size_t cmd_len,
 /* Flash erase(sectors) operation, support all possible erase commands */
 int spi_flash_cmd_erase_ops(struct spi_flash *flash, u32 offset, size_t len);
 
+/* Get software write-protect value (BP bits) */
+int spi_flash_cmd_get_sw_write_prot(struct spi_flash *flash);
+
 /* Lock stmicro spi flash region */
 int stm_lock(struct spi_flash *flash, u32 ofs, size_t len);