diff options
Diffstat (limited to 'drivers/mtd/spi-nor/sfdp.h')
| -rw-r--r-- | drivers/mtd/spi-nor/sfdp.h | 44 |
1 files changed, 39 insertions, 5 deletions
diff --git a/drivers/mtd/spi-nor/sfdp.h b/drivers/mtd/spi-nor/sfdp.h index c1969f0a2f46..f74a0eb339ea 100644 --- a/drivers/mtd/spi-nor/sfdp.h +++ b/drivers/mtd/spi-nor/sfdp.h @@ -13,13 +13,13 @@ #define SFDP_JESD216A_MINOR 5 #define SFDP_JESD216B_MINOR 6 +/* SFDP DWORDS are indexed from 1 but C arrays are indexed from 0. */ +#define SFDP_DWORD(i) ((i) - 1) +#define SFDP_MASK_CHECK(dword, mask) (((dword) & (mask)) == (mask)) + /* Basic Flash Parameter Table */ -/* - * JESD216 rev D defines a Basic Flash Parameter Table of 20 DWORDs. - * They are indexed from 1 but C arrays are indexed from 0. - */ -#define BFPT_DWORD(i) ((i) - 1) +/* JESD216 rev D defines a Basic Flash Parameter Table of 20 DWORDs. */ #define BFPT_DWORD_MAX 20 struct sfdp_bfpt { @@ -90,13 +90,47 @@ struct sfdp_bfpt { #define BFPT_DWORD15_QER_SR2_BIT1_NO_RD (0x4UL << 20) #define BFPT_DWORD15_QER_SR2_BIT1 (0x5UL << 20) /* Spansion */ +#define BFPT_DWORD16_EN4B_MASK GENMASK(31, 24) +#define BFPT_DWORD16_EN4B_ALWAYS_4B BIT(30) +#define BFPT_DWORD16_EN4B_4B_OPCODES BIT(29) +#define BFPT_DWORD16_EN4B_16BIT_NV_CR BIT(28) +#define BFPT_DWORD16_EN4B_BRWR BIT(27) +#define BFPT_DWORD16_EN4B_WREAR BIT(26) +#define BFPT_DWORD16_EN4B_WREN_EN4B BIT(25) +#define BFPT_DWORD16_EN4B_EN4B BIT(24) +#define BFPT_DWORD16_EX4B_MASK GENMASK(18, 14) +#define BFPT_DWORD16_EX4B_16BIT_NV_CR BIT(18) +#define BFPT_DWORD16_EX4B_BRWR BIT(17) +#define BFPT_DWORD16_EX4B_WREAR BIT(16) +#define BFPT_DWORD16_EX4B_WREN_EX4B BIT(15) +#define BFPT_DWORD16_EX4B_EX4B BIT(14) +#define BFPT_DWORD16_4B_ADDR_MODE_MASK \ + (BFPT_DWORD16_EN4B_MASK | BFPT_DWORD16_EX4B_MASK) +#define BFPT_DWORD16_4B_ADDR_MODE_16BIT_NV_CR \ + (BFPT_DWORD16_EN4B_16BIT_NV_CR | BFPT_DWORD16_EX4B_16BIT_NV_CR) +#define BFPT_DWORD16_4B_ADDR_MODE_BRWR \ + (BFPT_DWORD16_EN4B_BRWR | BFPT_DWORD16_EX4B_BRWR) +#define BFPT_DWORD16_4B_ADDR_MODE_WREAR \ + (BFPT_DWORD16_EN4B_WREAR | BFPT_DWORD16_EX4B_WREAR) +#define BFPT_DWORD16_4B_ADDR_MODE_WREN_EN4B_EX4B \ + (BFPT_DWORD16_EN4B_WREN_EN4B | BFPT_DWORD16_EX4B_WREN_EX4B) +#define BFPT_DWORD16_4B_ADDR_MODE_EN4B_EX4B \ + (BFPT_DWORD16_EN4B_EN4B | BFPT_DWORD16_EX4B_EX4B) #define BFPT_DWORD16_SWRST_EN_RST BIT(12) +#define BFPT_DWORD17_RD_1_1_8_CMD GENMASK(31, 24) +#define BFPT_DWORD17_RD_1_1_8_MODE_CLOCKS GENMASK(23, 21) +#define BFPT_DWORD17_RD_1_1_8_WAIT_STATES GENMASK(20, 16) +#define BFPT_DWORD17_RD_1_8_8_CMD GENMASK(15, 8) +#define BFPT_DWORD17_RD_1_8_8_MODE_CLOCKS GENMASK(7, 5) +#define BFPT_DWORD17_RD_1_8_8_WAIT_STATES GENMASK(4, 0) + #define BFPT_DWORD18_CMD_EXT_MASK GENMASK(30, 29) #define BFPT_DWORD18_CMD_EXT_REP (0x0UL << 29) /* Repeat */ #define BFPT_DWORD18_CMD_EXT_INV (0x1UL << 29) /* Invert */ #define BFPT_DWORD18_CMD_EXT_RES (0x2UL << 29) /* Reserved */ #define BFPT_DWORD18_CMD_EXT_16B (0x3UL << 29) /* 16-bit opcode */ +#define BFPT_DWORD18_BYTE_ORDER_SWAPPED BIT(31) /* Byte order swapped in 8D-8D-8D mode */ struct sfdp_parameter_header { u8 id_lsb; |