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authorEwout van Bekkum <ewout@google.com>2015-12-21 09:17:26 -0800
committerchrome-bot <chrome-bot@chromium.org>2016-01-28 12:19:31 -0800
commitf8f0618ca4baf7bee03bebefe083c3911a77e52b (patch)
tree77269d2dab80d99a16729b1b1ca2277f3993545d
parenta313fc9b1aff224f1229f22dafa7564516eb330c (diff)
downloadchrome-ec-f8f0618ca4baf7bee03bebefe083c3911a77e52b.tar.gz
common: Adds JEDEC SFDP v1.0 & v1.5 encoding and decoding
Adds a header with JEDEC SFDP v1.0 (JESD216) & v1.5 (JESD216A) encoding and decoding support to enable a part agnostic Serial NOR Flash driver. BRANCH=none BUG=none TEST=Tested through the spi_nor driver Change-Id: I00b3f0434bfb8582aebad7cd0682445980b57773 Signed-off-by: Ewout van Bekkum <ewout@chromium.org> Reviewed-on: https://chromium-review.googlesource.com/321921 Reviewed-by: Bill Richardson <wfrichar@chromium.org>
-rw-r--r--include/sfdp.h807
1 files changed, 807 insertions, 0 deletions
diff --git a/include/sfdp.h b/include/sfdp.h
new file mode 100644
index 0000000000..d9b3c13903
--- /dev/null
+++ b/include/sfdp.h
@@ -0,0 +1,807 @@
+/* Copyright 2015 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* JEDEC Serial Flash Discoverable Parameters (SFDP) for Serial NOR Flash,
+ * covering v1.0 (JESD216) & v1.5 (JESD216A). */
+#ifndef __CROS_EC_SFDP_H
+#define __CROS_EC_SFDP_H
+
+/**
+ * Helper macros to declare and access SFDP defined bitfields at a JEDEC SFDP
+ * defined double word (32b) granularity.
+ */
+#define SFDP_DEFINE_BITMASK_32(name, hi, lo) \
+ static const uint32_t name = (((1ULL << ((hi) - (lo) + 1)) - 1UL) \
+ << (lo));
+#define SFDP_DEFINE_SHIFT_32(name, hi, lo) \
+ static const size_t name = (lo);
+#define SFDP_DEFINE_BITFIELD(name, hi, lo) \
+ SFDP_DEFINE_BITMASK_32(name ## _MASK, hi, lo) \
+ SFDP_DEFINE_SHIFT_32(name ## _SHIFT, hi, lo)
+#define SFDP_GET_BITFIELD(name, dw) \
+ (((dw) & name ## _MASK) >> name ## _SHIFT)
+
+/**
+ * Helper macros to construct SFDP defined double words (32b). Note reserved or
+ * unused fields must always be set to all 1's.
+ */
+#define SFDP_BITFIELD(name, value) (((value) & name ## _MASK) << name ## _SHIFT)
+#define SFDP_UNUSED(hi, lo) (((1ULL << ((hi) - (lo) + 1)) - 1UL) << (lo))
+
+/******************************************************************************/
+/* SFDP Header, always located at SFDP offset 0x0. Note that the SFDP space is
+ * always read in 3 Byte addressing mode with a single dummy cycle, where the
+ * expected SFDP address space layout looks like the following:
+ *
+ * ------------------0x00
+ * | SFDP Header | (specifying X number of Parameter Headers)
+ * ------------------0x08
+ * | Parameter Header 1 | (specifying Y Parameter Table Pointer & Length L)
+ * ------------------0x10
+ * - - -
+ * --------------X * 0x08
+ * | Parameter Header X | (specifying Z Parameter Table Pointer & Length K)
+ * --------(X + 1) * 0x08
+ * - - -
+ * ---------------------Y
+ * | Parameter Table 1 |
+ * -------------------Y+L
+ * - - -
+ * ---------------------Z Key: ------start_sfdp_offset
+ * | Parameter Table X | | Region Name |
+ * -------------------Z+K ------limit_sfdp_offset
+ */
+
+/*
+ * SFDP Header 1st DWORD
+ * ---------------------
+ * <31:24> : Fourth signature byte == 'P'
+ * <23:16> : Third signature byte == 'D'
+ * <15:8> : Second signature byte == 'F'
+ * <7:0> : First signature byte == 'S'
+ */
+SFDP_DEFINE_BITFIELD(SFDP_HEADER_DW1_P, 31, 24);
+SFDP_DEFINE_BITFIELD(SFDP_HEADER_DW1_D, 23, 16);
+SFDP_DEFINE_BITFIELD(SFDP_HEADER_DW1_F, 15, 8);
+SFDP_DEFINE_BITFIELD(SFDP_HEADER_DW1_S, 7, 0);
+#define SFDP_HEADER_DWORD_1(s, f, d, p) \
+ (SFDP_BITFIELD(SFDP_HEADER_DW1_P, p) | \
+ SFDP_BITFIELD(SFDP_HEADER_DW1_D, d) | \
+ SFDP_BITFIELD(SFDP_HEADER_DW1_F, f) | \
+ SFDP_BITFIELD(SFDP_HEADER_DW1_S, s))
+
+#define SFDP_HEADER_DW1_SFDP_SIGNATURE_VALID(x) (x == 0x50444653)
+
+/*
+ * SFDP Header 2nd DWORD
+ * ---------------------
+ * <31:24> : Unused
+ * <23:16> : Number of Parameter Headers (0-based, 0 indicates 1)
+ * <15:8> : SFDP Major Revision Number
+ * <7:0> : SFDP Minor Revision Number
+ */
+SFDP_DEFINE_BITFIELD(SFDP_HEADER_DW2_NPH, 23, 16);
+SFDP_DEFINE_BITFIELD(SFDP_HEADER_DW2_SFDP_MAJOR, 15, 8);
+SFDP_DEFINE_BITFIELD(SFDP_HEADER_DW2_SFDP_MINOR, 7, 0);
+#define SFDP_HEADER_DWORD_2(nph, major, minor) \
+ (SFDP_UNUSED(31, 24) | \
+ SFDP_BITFIELD(SFDP_HEADER_DW2_NPH, nph) | \
+ SFDP_BITFIELD(SFDP_HEADER_DW2_SFDP_MAJOR, major) | \
+ SFDP_BITFIELD(SFDP_HEADER_DW2_SFDP_MINOR, minor))
+
+/******************************************************************************/
+/* SFDP v1.0 Parameter Headers, starts at SFDP offset 0x8 and there are as many
+ * as specified in the v1.0 SFDP header. */
+
+/* In SFDP v1.0, the only reserved ID was the Basic Flash Parameter Table ID of
+ * 0x00. Otherwise this field must be set to the vendor's manufacturer ID. Note,
+ * the spec does not call out how to report the manufacturer bank number. */
+ #define BASIC_FLASH_PARAMETER_TABLE_1_0_ID 0x00
+
+/*
+ * SFDP v1.0: Parameter Header 1st DWORD
+ * --------------------------
+ * <31:24> : Parameter Table Length (1-based, 1 indicates 1)
+ * <23:16> : Parameter Table Major Revision Number
+ * <15:8> : Parameter Table Minor Revision Number
+ * <7:0> : ID number
+ */
+SFDP_DEFINE_BITFIELD(SFDP_1_0_PARAMETER_HEADER_DW1_PTL, 31, 24);
+SFDP_DEFINE_BITFIELD(SFDP_1_0_PARAMETER_HEADER_DW1_TABLE_MAJOR, 23, 16);
+SFDP_DEFINE_BITFIELD(SFDP_1_0_PARAMETER_HEADER_DW1_TABLE_MINOR, 15, 8);
+SFDP_DEFINE_BITFIELD(SFDP_1_0_PARAMETER_HEADER_DW1_ID, 7, 0);
+#define SFDP_1_0_PARAMETER_HEADER_DWORD_1(ptl, major, minor, id) \
+ (SFDP_BITFIELD(SFDP_1_0_PARAMETER_HEADER_DW1_PTL, ptl) | \
+ SFDP_BITFIELD(SFDP_1_0_PARAMETER_HEADER_DW1_TABLE_MAJOR, major) | \
+ SFDP_BITFIELD(SFDP_1_0_PARAMETER_HEADER_DW1_TABLE_MINOR, minor) | \
+ SFDP_BITFIELD(SFDP_1_0_PARAMETER_HEADER_DW1_ID, id))
+
+/*
+ * SFDP v1.0: Parameter Header 2nd DWORD
+ * --------------------------
+ * <31:24> : Unused (0xFF)
+ * <23:0> : Parameter Table Pointer (SFDP offset which must be word aligned)
+ */
+SFDP_DEFINE_BITFIELD(SFDP_1_0_PARAMETER_HEADER_DW2_PTP, 23, 0);
+#define SFDP_1_0_PARAMETER_HEADER_DWORD_2(ptp) \
+ (SFDP_UNUSED(31, 24) | \
+ SFDP_BITFIELD(SFDP_1_0_PARAMETER_HEADER_DW2_PTP, ptp))
+
+/******************************************************************************/
+/* SFDP v1.5 Parameter Headers, starts at SFDP offset 0x8 and there are as many
+ * as specified in the v1.5 SFDP header. */
+
+/* Parameter ID MSB | Parameter ID LSB | Type | Owner
+ * ==========================================================================
+ * 0x00 | All | Reserved | JEDEC JC42.4
+ * --------------------------------------------------------------------------
+ * 0x01 - 0x7F | odd parity | JEDEC JEP106 | Vendor
+ * | | Manufacturer ID |
+ * | | (mfn=LSB, bank=MSB) |
+ * --------------------------------------------------------------------------
+ * 0x01 - 0x7F | even parity | Function Specific | Vendor
+ * --------------------------------------------------------------------------
+ * 0x80 - 0xFE | even parity | Function Specific | JEDEC JC42.4
+ * --------------------------------------------------------------------------
+ * 0xFF | 0x00 | Basic Flash Parameter | JEDEC JC42.4
+ * | | Table |
+ * -------------------------------------------------------------------------- */
+
+#define BASIC_FLASH_PARAMETER_TABLE_1_5_ID_MSB 0xFF
+#define BASIC_FLASH_PARAMETER_TABLE_1_5_ID_LSB 0x00
+
+/*
+ * SFDP v1.5: Parameter Header 1st DWORD
+ * --------------------------
+ * <31:24> : Parameter Table Length (1-based, 1 indicates 1)
+ * <23:16> : Parameter Table Major Revision Number
+ * <15:8> : Parameter Table Minor Revision Number
+ * <7:0> : Parameter ID LSB
+ */
+SFDP_DEFINE_BITFIELD(SFDP_1_5_PARAMETER_HEADER_DW1_PTL, 31, 24);
+SFDP_DEFINE_BITFIELD(SFDP_1_5_PARAMETER_HEADER_DW1_TABLE_MAJOR, 23, 16);
+SFDP_DEFINE_BITFIELD(SFDP_1_5_PARAMETER_HEADER_DW1_TABLE_MINOR, 15, 8);
+SFDP_DEFINE_BITFIELD(SFDP_1_5_PARAMETER_HEADER_DW1_ID_LSB, 7, 0);
+#define SFDP_1_5_PARAMETER_HEADER_DWORD_1(ptl, major, minor, idlsb) \
+ (SFDP_BITFIELD(SFDP_1_5_PARAMETER_HEADER_DW1_PTL, ptl) | \
+ SFDP_BITFIELD(SFDP_1_5_PARAMETER_HEADER_DW1_TABLE_MAJOR, major) | \
+ SFDP_BITFIELD(SFDP_1_5_PARAMETER_HEADER_DW1_TABLE_MINOR, minor) | \
+ SFDP_BITFIELD(SFDP_1_5_PARAMETER_HEADER_DW1_ID_LSB, idlsb))
+
+/*
+ * SFDP v1.5: Parameter Header 2nd DWORD
+ * --------------------------
+ * <31:24> : Parameter ID MSB
+ * <23:0> : Parameter Table Pointer (SFDP offset which must be word aligned)
+ */
+SFDP_DEFINE_BITFIELD(SFDP_1_5_PARAMETER_HEADER_DW2_ID_MSB, 31, 24);
+SFDP_DEFINE_BITFIELD(SFDP_1_5_PARAMETER_HEADER_DW2_PTP, 23, 0);
+#define SFDP_1_5_PARAMETER_HEADER_DWORD_2(idmsb, ptp) \
+ (SFDP_BITFIELD(SFDP_1_5_PARAMETER_HEADER_DW2_ID_MSB, idmsb) | \
+ SFDP_BITFIELD(SFDP_1_5_PARAMETER_HEADER_DW2_PTP, ptp))
+
+/******************************************************************************/
+/* JEDEC (SPI Protocol) Basic Flash Parameter Table v1.0. The reporting of at
+ * least one revision of this table is mandatory and must be specified by the
+ * first parameter header.*/
+
+/* Basic Flash Parameter Table v1.0 1st DWORD
+ * ------------------------------------------
+ * <31:23> : Unused
+ * <22> : Supports 1-1-4 Fast Read (1 if supported)
+ * <21> : Supports 1-4-4 Fast Read (1 if supported)
+ * <20> : Supports 1-2-2 Fast Read (1 if supported)
+ * <19> : Supports Double Transfer Rate (DTR) Clocking (1 if supported)
+ * <18:17> : Address Bytes:
+ * - 0x0 if 3 Byte addressing only
+ * - 0x1 if defaults to 3B addressing, enters 4B on command
+ * - 0x2 if 4 Byte addressing only
+ * <16> : Supports 1-1-2 Fast Read (1 if supported)
+ * <15:8> : 4KiB Erase Opcode (0xFF if unsupported)
+ * <7:5> : Unused
+ * <4> : Write Enable Opcode Select for Writing to Volatile Status Register:
+ * - 0x0 if 0x50 is the opcode to enable a status register write
+ * - 0x1 if 0x06 is the opcode to enable a status register write
+ * <3> : Write Enable Instruction Required for writing to Volatile Status
+ * Register:
+ * - 0x0 if target flash only has nonvolatile status bits and does
+ * not require status register to be written every power on
+ * - 0x1 if target flash requires 0x00 to be written to the status
+ * register in order to allow writes and erases
+ * <2> : Write granularity (0 if the buffer is less than 64B, 1 if larger)
+ * <1:0> : Block/Sector Erase granularity available for the entirety of flash:
+ * - 0x1 if 4KiB is uniformly available
+ * - 0x3 if 4KiB is unavailable
+ */
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW1_1_1_4_SUPPORTED, 22, 22);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW1_1_4_4_SUPPORTED, 21, 21);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW1_1_2_2_SUPPORTED, 20, 20);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW1_DTR_SUPPORTED, 19, 19);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW1_ADDR_BYTES, 18, 17);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW1_1_1_2_SUPPORTED, 16, 16);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW1_4KIB_ERASE_OPCODE, 15, 8);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW1_WREN_OPCODE_SELECT, 4, 4);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW1_WREN_REQ, 3, 3);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW1_WRITE_GRANULARITY, 2, 2);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW1_4KIB_AVAILABILITY, 1, 0);
+#define BFPT_1_0_DWORD_1(fr114, fr144, fr122, dtr, addr, fr112, \
+ rm4kb, wrenop, wrenrq, wrgr, ergr) \
+ (SFDP_UNUSED(31, 23) | \
+ SFDP_BITFIELD(BFPT_1_0_DW1_1_1_4_SUPPORTED, fr114) | \
+ SFDP_BITFIELD(BFPT_1_0_DW1_1_4_4_SUPPORTED, fr144) | \
+ SFDP_BITFIELD(BFPT_1_0_DW1_1_2_2_SUPPORTED, fr122) | \
+ SFDP_BITFIELD(BFPT_1_0_DW1_DTR_SUPPORTED, dtr) | \
+ SFDP_BITFIELD(BFPT_1_0_DW1_ADDR_BYTES, addr) | \
+ SFDP_BITFIELD(BFPT_1_0_DW1_1_1_2_SUPPORTED, fr112) | \
+ SFDP_BITFIELD(BFPT_1_0_DW1_4KIB_ERASE_OPCODE, rm4kb) | \
+ SFDP_UNUSED(7, 5) | \
+ SFDP_BITFIELD(BFPT_1_0_DW1_WREN_OPCODE_SELECT, wrenop) | \
+ SFDP_BITFIELD(BFPT_1_0_DW1_WREN_REQ, wrenrq) | \
+ SFDP_BITFIELD(BFPT_1_0_DW1_WRITE_GRANULARITY, wrgr) | \
+ SFDP_BITFIELD(BFPT_1_0_DW1_4KIB_AVAILABILITY, ergr))
+
+/* Basic Flash Parameter Table v1.0 2nd DWORD
+ * ------------------------------------------
+ * <31> : Density greater than 2 gibibits
+ * <30:0> : N, where:
+ * - if =< 2 gibibits, flash memory density is N+1 bits
+ * - if > 2 gibibits, flash memory density is 2^N bits
+ */
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW2_GT_2_GIBIBITS, 31, 31);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW2_N, 30, 0);
+#define BFPT_1_0_DWORD_2(gt_2_gibibits, n) \
+ (SFDP_BITFIELD(BFPT_1_0_DW2_GT_2_GIBIBITS, gt_2_gibibits) | \
+ SFDP_BITFIELD(BFPT_1_0_DW2_N, n))
+
+/* Basic Flash Parameter Table v1.0 3rd DWORD
+ * ------------------------------------------
+ * <31:24> : 1-1-4 Fast Read Opcode
+ * <23:21> : 1-1-4 Fast Read Number of Mode Bits (0 if unsupported)
+ * <20:16> : 1-1-4 Fast Read Number of Wait States (Dummy Clocks)
+ * <15:8> : 1-4-4 Fast Read Opcode
+ * <7:5> : 1-4-4 Fast Read Number of Mode Bits (0 if unsupported)
+ * <4:0> : 1-4-4 Fast Read Number of Wait States (Dummy CLocks)
+ */
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW3_1_1_4_OPCODE, 31, 24);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW3_1_1_4_MODE_BITS, 23, 21);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW3_1_1_4_DUMMY_CLOCKS, 20, 16);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW3_1_4_4_OPCODE, 15, 8);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW3_1_4_4_MODE_BITS, 7, 5);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW3_1_4_4_DUMMY_CLOCKS, 4, 0);
+#define BFPT_1_0_DWORD_3(fr114op, fr114mb, fr114dc, \
+ fr144op, fr144mb, fr144dc) \
+ (SFDP_BITFIELD(BFPT_1_0_DW3_1_1_4_OPCODE, fr114op) | \
+ SFDP_BITFIELD(BFPT_1_0_DW3_1_1_4_MODE_BITS, fr114mb) | \
+ SFDP_BITFIELD(BFPT_1_0_DW3_1_1_4_DUMMY_CLOCKS, fr114dc) | \
+ SFDP_BITFIELD(BFPT_1_0_DW3_1_4_4_OPCODE, fr144op) | \
+ SFDP_BITFIELD(BFPT_1_0_DW3_1_4_4_MODE_BITS, fr144mb) | \
+ SFDP_BITFIELD(BFPT_1_0_DW3_1_4_4_DUMMY_CLOCKS, fr144dc))
+
+/* Basic Flash Parameter Table v1.0 4th DWORD
+ * ------------------------------------------
+ * <31:24> : 1-2-2 Fast Read Opcode
+ * <23:21> : 1-2-2 Fast Read Number of Mode Bits (0 if unsupported)
+ * <20:16> : 1-2-2 Fast Read Number of Wait States (Dummy Clocks)
+ * <15:8> : 1-1-2 Fast Read Opcode
+ * <7:5> : 1-1-2 Fast Read Number of Mode Bits (0 if unsupported)
+ * <4:0> : 1-1-2 Fast Read Number of Wait States (Dummy CLocks)
+ */
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW4_1_2_2_OPCODE, 31, 24);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW4_1_2_2_MODE_BITS, 23, 21);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW4_1_2_2_DUMMY_CLOCKS, 20, 16);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW4_1_1_2_OPCODE, 15, 8);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW4_1_1_2_MODE_BITS, 7, 5);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW4_1_1_2_DUMMY_CLOCKS, 4, 0);
+#define BFPT_1_0_DWORD_4(fr122op, fr122mb, fr122dc, \
+ fr112op, fr112mb, fr112dc) \
+ (SFDP_BITFIELD(BFPT_1_0_DW4_1_2_2_OPCODE, fr122op) | \
+ SFDP_BITFIELD(BFPT_1_0_DW4_1_2_2_MODE_BITS, fr122mb) | \
+ SFDP_BITFIELD(BFPT_1_0_DW4_1_2_2_DUMMY_CLOCKS, fr122dc) | \
+ SFDP_BITFIELD(BFPT_1_0_DW4_1_1_2_OPCODE, fr112op) | \
+ SFDP_BITFIELD(BFPT_1_0_DW4_1_1_2_MODE_BITS, fr112mb) | \
+ SFDP_BITFIELD(BFPT_1_0_DW4_1_1_2_DUMMY_CLOCKS, fr112dc))
+
+/* Basic Flash Parameter Table v1.0 5th DWORD
+ * ------------------------------------------
+ * <31:5> : Reserved (0x7FFFFFF)
+ * <4> : Supports 4-4-4 Fast Read (1 if supported)
+ * <3:1> : Reserved (0x7)
+ * <0> : Supports 2-2-2 Fast Read (1 if supported)
+ */
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW5_4_4_4_SUPPORTED, 4, 4);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW5_2_2_2_SUPPORTED, 0, 0);
+#define BFPT_1_0_DWORD_5(fr444, fr222) \
+ (SFDP_UNUSED(31, 5) | \
+ SFDP_BITFIELD(BFPT_1_0_DW5_4_4_4_SUPPORTED, fr444) | \
+ SFDP_UNUSED(3, 1) | \
+ SFDP_BITFIELD(BFPT_1_0_DW5_2_2_2_SUPPORTED, fr222))
+
+/* Basic Flash Parameter Table v1.0 6th DWORD
+ * ------------------------------------------
+ * <31:24> : 2-2-2 Fast Read Opcode
+ * <23:21> : 2-2-2 Fast Read Number of Mode Bits (0 if unsupported)
+ * <20:16> : 2-2-2 Fast Read Number of Wait States (Dummy Clocks)
+ * <15:0> : Reserved (0xFFFF)
+ */
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW6_2_2_2_OPCODE, 31, 24);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW6_2_2_2_MODE_BITS, 23, 21);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW6_2_2_2_DUMMY_CLOCKS, 20, 16);
+#define BFPT_1_0_DWORD_6(fr222op, fr222mb, fr222dc) \
+ (SFDP_BITFIELD(BFPT_1_0_DW6_2_2_2_OPCODE, fr222op) | \
+ SFDP_BITFIELD(BFPT_1_0_DW6_2_2_2_MODE_BITS, fr222mb) | \
+ SFDP_BITFIELD(BFPT_1_0_DW6_2_2_2_DUMMY_CLOCKS, fr222dc) | \
+ SFDP_UNUSED(15, 0))
+
+/* Basic Flash Parameter Table v1.0 7th DWORD
+ * ------------------------------------------
+ * <31:24> : 4-4-4 Fast Read Opcode
+ * <23:21> : 4-4-4 Fast Read Number of Mode Bits (0 if unsupported)
+ * <20:16> : 4-4-4 Fast Read Number of Wait States (Dummy Clocks)
+ * <15:0> : Reserved (0xFFFF)
+ */
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW7_4_4_4_OPCODE, 31, 24);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW7_4_4_4_MODE_BITS, 23, 21);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW7_4_4_4_DUMMY_CLOCKS, 20, 16);
+#define BFPT_1_0_DWORD_7(fr444op, fr444mb, fr444dc) \
+ (SFDP_BITFIELD(BFPT_1_0_DW7_4_4_4_OPCODE, fr444op) | \
+ SFDP_BITFIELD(BFPT_1_0_DW7_4_4_4_MODE_BITS, fr444mb) | \
+ SFDP_BITFIELD(BFPT_1_0_DW7_4_4_4_DUMMY_CLOCKS, fr444dc) | \
+ SFDP_UNUSED(15, 0))
+
+/* Basic Flash Parameter Table v1.0 8th DWORD
+ * ------------------------------------------
+ * <31:24> : Sector Type 2 Erase Opcode
+ * <23:16> : Sector Type 2 Erase Size (2^N Bytes, 0 if unavailable)
+ * <15:8> : Sector Type 1 Erase Opcode
+ * <7:0> : Sector Type 1 Erase Size (2^N Bytes, 0 if unavailable)
+ */
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW8_ERASE_TYPE_2_OPCODE, 31, 24);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW8_ERASE_TYPE_2_SIZE, 23, 16);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW8_ERASE_TYPE_1_OPCODE, 15, 8);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW8_ERASE_TYPE_1_SIZE, 7, 0);
+#define BFPT_1_0_DWORD_8(rm2op, rm2sz, rm1op, rm1sz) \
+ (SFDP_BITFIELD(BFPT_1_0_DW8_ERASE_TYPE_2_OPCODE, rm2op) | \
+ SFDP_BITFIELD(BFPT_1_0_DW8_ERASE_TYPE_2_SIZE, rm2sz) | \
+ SFDP_BITFIELD(BFPT_1_0_DW8_ERASE_TYPE_1_OPCODE, rm1op) | \
+ SFDP_BITFIELD(BFPT_1_0_DW8_ERASE_TYPE_1_SIZE, rm1sz))
+
+/* Basic Flash Parameter Table v1.0 9th DWORD
+ * ------------------------------------------
+ * <31:24> : Sector Type 4 Erase Opcode
+ * <23:16> : Sector Type 4 Erase Size (2^N Bytes, 0 if unavailable)
+ * <15:8> : Sector Type 3 Erase Opcode
+ * <7:0> : Sector Type 3 Erase Size (2^N Bytes, 0 if unavailable)
+ */
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW9_ERASE_TYPE_4_OPCODE, 31, 24);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW9_ERASE_TYPE_4_SIZE, 23, 16);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW9_ERASE_TYPE_3_OPCODE, 15, 8);
+SFDP_DEFINE_BITFIELD(BFPT_1_0_DW9_ERASE_TYPE_3_SIZE, 7, 0);
+#define BFPT_1_0_DWORD_9(rm4op, rm4sz, rm3op, rm3sz) \
+ (SFDP_BITFIELD(BFPT_1_0_DW9_ERASE_TYPE_4_OPCODE, rm4op) | \
+ SFDP_BITFIELD(BFPT_1_0_DW9_ERASE_TYPE_4_SIZE, rm4sz) | \
+ SFDP_BITFIELD(BFPT_1_0_DW9_ERASE_TYPE_3_OPCODE, rm3op) | \
+ SFDP_BITFIELD(BFPT_1_0_DW9_ERASE_TYPE_3_SIZE, rm3sz))
+
+/******************************************************************************/
+/* JEDEC (SPI Protocol) Basic Flash Parameter Table v1.5. The reporting of at
+ * least one revision of this table is mandatory and must be specified by the
+ * first parameter header. Note that DWORDs 1-9 are identical to v1.0. */
+
+/* Basic Flash Parameter Table v1.5 10th DWORD
+ * ------------------------------------------
+ * <31:30> : Sector Type 4 Erase, Typical time units, where
+ * 0x0: 1ms, 0x1: 16ms, 0x2: 128ms, 0x3: 1s
+ * <29:25> : Sector Type 4 Erase, Typical time count, where
+ * time = (count + 1) * units
+ * <24:23> : Sector Type 3 Erase, Typical time units, where
+ * 0x0: 1ms, 0x1: 16ms, 0x2: 128ms, 0x3: 1s
+ * <22:18> : Sector Type 3 Erase, Typical time count, where
+ * time = (count + 1) * units
+ * <17:16> : Sector Type 2 Erase, Typical time units, where
+ * 0x0: 1ms, 0x1: 16ms, 0x2: 128ms, 0x3: 1s
+ * <15:11> : Sector Type 2 Erase, Typical time count, where
+ * time = (count + 1) * units
+ * <10:9> : Sector Type 1 Erase, Typical time units, where
+ * 0x0: 1ms, 0x1: 16ms, 0x2: 128ms, 0x3: 1s
+ * <8:4> : Sector Type 1 Erase, Typical time count, where
+ * time = (count + 1) * units
+ * <3:0> : Multiplier from typical to maximum erase time, where
+ * maximum_time = 2 * (multiplier + 1) * typical_time
+ */
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW10_ERASE_4_TIME_UNIT, 31, 30);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW10_ERASE_4_TIME_CNT, 29, 25);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW10_ERASE_3_TIME_UNIT, 24, 23);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW10_ERASE_3_TIME_CNT, 22, 18);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW10_ERASE_2_TIME_UNIT, 17, 16);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW10_ERASE_2_TIME_CNT, 15, 11);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW10_ERASE_1_TIME_UNIT, 10, 9);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW10_ERASE_1_TIME_CNT, 8, 4);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW10_ERASE_TIME_MAX_MULT, 3, 0);
+#define BFPT_1_5_DWORD_10(rm4unit, rm4count, rm3unit, \
+ rm3count, rm2unit, rm2count, \
+ rm1unit, rm1count, maxmult) \
+ (SFDP_BITFIELD(BFPT_1_5_DW10_ERASE_4_TIME_UNIT, rm4unit) | \
+ SFDP_BITFIELD(BFPT_1_5_DW10_ERASE_4_TIME_CNT, rm4count) | \
+ SFDP_BITFIELD(BFPT_1_5_DW10_ERASE_3_TIME_UNIT, rm3unit) | \
+ SFDP_BITFIELD(BFPT_1_5_DW10_ERASE_3_TIME_CNT, rm3count) | \
+ SFDP_BITFIELD(BFPT_1_5_DW10_ERASE_2_TIME_UNIT, rm2unit) | \
+ SFDP_BITFIELD(BFPT_1_5_DW10_ERASE_2_TIME_CNT, rm2count) | \
+ SFDP_BITFIELD(BFPT_1_5_DW10_ERASE_1_TIME_UNIT, rm1unit) | \
+ SFDP_BITFIELD(BFPT_1_5_DW10_ERASE_1_TIME_CNT, rm1count) | \
+ SFDP_BITFIELD(BFPT_1_5_DW10_ERASE_TIME_MAX_MULT, maxmult))
+
+/* Basic Flash Parameter Table v1.5 11th DWORD
+ * ------------------------------------------
+ * <31> : Reserved (0x1)
+ * <30:29> : Chip Erase, Typical time units, where
+ * 0x0: 16ms, 0x1: 256ms, 0x2: 4s, 0x3: 64s
+ * <28:24> : Chip Erase, Typical time count, where time = (count + 1) * units
+ * <23> : Additional Byte Program, Typical time units (0: 1us, 1: 8us)
+ * <22:19> : Additional Byte Program, Typical time count, where each byte takes
+ * time = (count + 1) * units * bytes. This should not be
+ * used if the additional bytes count exceeds 1/2 a page size.
+ * <18> : First Byte Program, Typical time units (0: 1us, 1: 8us)
+ * <17:14> : First Byte Program, Typical time count, where each byte takes
+ * time = (count + 1) * units * bytes
+ * <13> : Page Program, Typical time units (0: 8us, 1: 64us)
+ * <12:8> : Page Program, Typical time count, where time = (count + 1) * units
+ * <7:4> : Page Size (2^N Bytes)
+ * <3:0> : Multiplier from typical time to max time for programming, where
+ * maximum_time = 2 * (multiplier + 1) * typical_time
+ */
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW11_CHIP_ERASE_TIME_UNIT, 30, 29);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW11_CHIP_ERASE_TIME_CNT, 28, 24);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW11_MORE_BYTE_WR_TIME_UNIT, 23, 23);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW11_MORE_BYTE_WR_TIME_CNT, 22, 19);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW11_INIT_BYTE_WR_TIME_UNIT, 18, 18);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW11_INIT_BYTE_WR_TIME_CNT, 17, 14);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW11_PAGE_WR_TIME_UNIT, 13, 13);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW11_PAGE_WR_TIME_CNT, 12, 8);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW11_PAGE_SIZE, 7, 4);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW11_WR_TIME_MAX_MULT, 3, 0);
+#define BFPT_1_5_DWORD_11(crmunit, crmcount, mrbunit, mrbcount, initunit, \
+ initcount, pgwrunit, pgwrcount, pagesz, maxmult) \
+ (SFDP_UNUSED(31, 31) | \
+ SFDP_BITFIELD(BFPT_1_5_DW11_CHIP_ERASE_TIME_UNIT, \
+ crmunit) | \
+ SFDP_BITFIELD(BFPT_1_5_DW11_CHIP_ERASE_TIME_CNT, \
+ crmcount) | \
+ SFDP_BITFIELD(BFPT_1_5_DW11_MORE_BYTE_WR_TIME_UNIT, \
+ mrbunit) | \
+ SFDP_BITFIELD(BFPT_1_5_DW11_MORE_BYTE_WR_TIME_CNT, \
+ mrbcount) | \
+ SFDP_BITFIELD(BFPT_1_5_DW11_INIT_BYTE_WR_TIME_UNIT, \
+ initunit) | \
+ SFDP_BITFIELD(BFPT_1_5_DW11_INIT_BYTE_WR_TIME_CNT, \
+ initcount) | \
+ SFDP_BITFIELD(BFPT_1_5_DW11_PAGE_WR_TIME_UNIT, pgwrunit) | \
+ SFDP_BITFIELD(BFPT_1_5_DW11_PAGE_WR_TIME_CNT, pgwrcount) | \
+ SFDP_BITFIELD(BFPT_1_5_DW11_PAGE_SIZE, pagesz) | \
+ SFDP_BITFIELD(BFPT_1_5_DW11_WR_TIME_MAX_MULT, maxmult))
+
+/* Basic Flash Parameter Table v1.5 12th DWORD
+ * ------------------------------------------
+ * <31> : Suspend / Resume unsupported (1 unsupported, 0 supported)
+ * <30:29> : Suspend in-progress erase max latency units, where
+ * 0x0: 128ns, 0x1: 1us, 0x2: 8us, 0x3: 64us
+ * <28:24> : Suspend in-progress erase max latency count, where
+ * max latency = (count + 1) * units
+ * <23:20> : Erase resume to suspend minimum interval, (count + 1) * 64us
+ * <19:18> : Suspend in-progress program max latency units, where
+ * 0x0: 128ns, 0x1: 1us, 0x2: 8us, 0x3: 64us
+ * <17:13> : Suspend in-progress program max latency count, where
+ * max latency = (count + 1) * units
+ * <12:9> : Program resume to suspend minimum internal, (count + 1) * 64us
+ * <8> : Reserved (0x1)
+ * <7:4> : Prohibited Operations During Erase Suspend flags, where
+ * xxx0b May not initiate a new erase anywhere
+ * (erase nesting not permitted)
+ * xxx1b May not initiate a new erase in the erase suspended sector
+ * size
+ * xx0xb May not initiate a page program anywhere
+ * xx1xb May not initiate a page program in the erase suspended
+ * sector size
+ * x0xxb Refer to vendor datasheet for read restrictions
+ * x1xxb May not initiate a read in the erase suspended sector size
+ * 0xxxb Additional erase or program restrictions apply
+ * 1xxxb The erase and program restrictions in bits 5:4 are
+ * sufficient
+ * <3:0> : Prohibited Operations During Program Suspend flags, where
+ * xxx0b May not initiate a new erase anywhere
+ * (erase nesting not permitted)
+ * xxx1b May not initiate a new erase in the program suspended page
+ * size
+ * xx0xb May not initiate a new page program anywhere
+ * (program nesting not permitted)
+ * xx1xb May not initiate a new page program in the program suspended
+ * page size
+ * x0xxb Refer to vendor datasheet for read restrictions
+ * x1xxb May not initiate a read in the program suspended page size
+ * 0xxxb Additional erase or program restrictions apply
+ * 1xxxb The erase and program restrictions in bits 1:0 are
+ * sufficient
+ */
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW12_SUSPEND_UNSUPPORTED, 31, 31);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW12_SUSP_RM_MAX_LAT_UNIT, 30, 29);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW12_SUSP_RM_MAX_LAT_CNT, 28, 24);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW12_RM_RES_TO_SUSP_LAT_CNT, 23, 20);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW12_SUSP_WR_MAX_LAT_UNIT, 19, 18)
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW12_SUSP_WR_MAX_LAT_CNT, 17, 13);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW12_WR_RES_TO_SUSP_LAT_CNT, 12, 9);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW12_PROHIB_OPS_DURING_RM_SUSP, 7, 4);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW12_PROHIB_OPS_DURING_WR_SUSP, 3, 0);
+#define BFPT_1_5_DWORD_12(unsup, susprmlatun, susprmlatcnt, rmressusplatcnt, \
+ suspwrmaxlatunit, suspwrmaxlatcnt, wrressuspcnt, \
+ prohibopsrmsusp, prohibopswrsusp) \
+ (SFDP_BITFIELD(BFPT_1_5_DW12_SUSPEND_UNSUPPORTED, unsup) | \
+ SFDP_BITFIELD(BFPT_1_5_DW12_SUSP_RM_MAX_LAT_UNIT, \
+ susprmlatun) | \
+ SFDP_BITFIELD(BFPT_1_5_DW12_SUSP_RM_MAX_LAT_CNT, \
+ susprmlatcnt) | \
+ SFDP_BITFIELD(BFPT_1_5_DW12_RM_RES_TO_SUSP_LAT_CNT, \
+ rmressusplatcnt) | \
+ SFDP_BITFIELD(BFPT_1_5_DW12_SUSP_WR_MAX_LAT_UNIT, \
+ suspwrmaxlatunit) | \
+ SFDP_BITFIELD(BFPT_1_5_DW12_SUSP_WR_MAX_LAT_CNT, \
+ suspwrmaxlatcnt) | \
+ SFDP_BITFIELD(BFPT_1_5_DW12_WR_RES_TO_SUSP_LAT_CNT, \
+ wrressuspcnt) | \
+ SFDP_UNUSED(8, 8) | \
+ SFDP_BITFIELD(BFPT_1_5_DW12_PROHIB_OPS_DURING_RM_SUSP, \
+ prohibopsrmsusp) | \
+ SFDP_BITFIELD(BFPT_1_5_DW12_PROHIB_OPS_DURING_WR_SUSP, \
+ prohibopswrsusp))
+
+/* Basic Flash Parameter Table v1.5 13th DWORD
+ * ------------------------------------------
+ * <31:24> : Suspend Instruction used to suspend a write or erase type operation
+ * <23:16> : Resume Instruction used to resume a write or erase type operation
+ * <15:8> : Program Suspend Instruction used to suspend a program operation
+ * <7:0> : Program Resume Instruction used to resume a program operation
+ */
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW13_SUSPEND_OPCODE, 31, 24);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW13_RESUME_OPCODE, 23, 16);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW13_WR_SUSPEND_OPCODE, 15, 8);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW13_WR_RESUME_OPCODE, 7, 0);
+#define BFPT_1_5_DWORD_13(suspop, resop, wrsspop, wrresop) \
+ (SFDP_BITFIELD(BFPT_1_5_DW13_SUSPEND_OPCODE, suspop) | \
+ SFDP_BITFIELD(BFPT_1_5_DW13_RESUME_OPCODE, resop) | \
+ SFDP_BITFIELD(BFPT_1_5_DW13_WR_SUSPEND_OPCODE, wrsspop) | \
+ SFDP_BITFIELD(BFPT_1_5_DW13_WR_RESUME_OPCODE, wrresop))
+
+/* Basic Flash Parameter Table v1.5 14th DWORD
+ * ------------------------------------------
+ * <31> : Deep powerdown unsupported (1 unsupported, 0 supported)
+ * <30:23> : Enter deep powerdown instruction
+ * <22:15> : Exit deep powerdown instruction
+ * <14:13> : Exit deep powerdown to next operation delay units, where
+ * 0x0: 128ns, 0x1: 1us, 0x2: 8us, 0x3: 64us
+ * <12:8> : Exit deep powerdown to next operation delay count, where
+ * delay = = (count + 1) * units
+ * <7:2> : Status Register Polling Device Busy Flags, where
+ * xx_xx1xb Bit 7 of the Flag Status Register may be polled any time
+ * a Program, Erase, Suspend/Resume command is issued, or
+ * after a Reset command while the device is busy. The read
+ * instruction is 70h. Flag Status Register bit definitions:
+ * bit[7]: Program or erase controller status
+ * (0=busy; 1=ready)
+ * xx_xxx1b Use of legacy polling is supported by reading the Status
+ * Register with 05h instruction and checking WIP bit[0]
+ * (0=ready; 1=busy).
+ * <1:0> : Reserved (0x3)
+ */
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW14_POWER_DOWN_UNSUPPORTED, 31, 31);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW14_POWER_DOWN_OPCODE, 30, 23);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW14_POWER_UP_OPCODE, 22, 15);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW14_POWER_UP_TIME_UNIT, 14, 13);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW14_POWER_UP_TIME_CNT, 12, 8);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW14_BUSY_FLAGS, 7, 2);
+#define BFPT_1_5_DWORD_14(pwrdwnunsup, pwrdwnop, pwrupop, pwrupunit, pwrupcnt, \
+ busypollflags) \
+ (SFDP_BITFIELD(BFPT_1_5_DW14_POWER_DOWN_UNSUPPORTED, \
+ pwrdwnunsup) | \
+ SFDP_BITFIELD(BFPT_1_5_DW14_POWER_DOWN_OPCODE, pwrdwnop) | \
+ SFDP_BITFIELD(BFPT_1_5_DW14_POWER_UP_OPCODE, pwrupop) | \
+ SFDP_BITFIELD(BFPT_1_5_DW14_POWER_UP_TIME_UNIT, \
+ pwrupunit) | \
+ SFDP_BITFIELD(BFPT_1_5_DW14_POWER_UP_TIME_CNT, pwrupcnt) | \
+ SFDP_BITFIELD(BFPT_1_5_DW14_BUSY_FLAGS, busypollflags) | \
+ SFDP_UNUSED(1, 0))
+
+/* Basic Flash Parameter Table v1.5 15th DWORD
+ * ------------------------------------------
+ * <31:24> : Reserved (0xFF)
+ * <23> : HOLD and WIP disable supported by setting the non-volatile extended
+ * configuration register's bit 4 to 0.
+ * <22:20> : Quad Enable Requirements (1-1-4, 1-4-4, 4-4-4 Fast Reads), where
+ * 000b Device does not have a QE bit. Device detects 1-1-4 and 1-4-4
+ * reads based on instruction. DQ3/HOLD# functions as hold during
+ * instruction phase.
+ * 001b QE is bit 1 of status register 2. It is set via Write Status
+ * with two data bytes where bit 1 of the second byte is one. It
+ * is cleared via Write Status with two data bytes where bit
+ * 1 of the second byte is zero. Writing only one byte to the
+ * status register has the side-effect of clearing status
+ * register 2, including the QE bit. The 100b code is used if
+ * writing one byte to the status register does not modify status
+ * register 2.
+ * 010b QE is bit 6 of status register 1. It is set via Write Status
+ * with one data byte where bit 6 is one. It is cleared via Write
+ * Status with one data byte where bit 6 is zero.
+ * 011b QE is bit 7 of status register 2. It is set via Write status
+ * register 2 instruction 3Eh with one data byte where bit 7 is
+ * one. It is cleared via Write status register 2 instruction
+ * 3Eh with one data byte where bit 7 is zero. The status
+ * register 2 is read using instruction 3Fh.
+ * 100b QE is bit 1 of status register 2. It is set via Write Status
+ * with two data bytes where bit 1 of the second byte is one. It
+ * is cleared via Write Status with two data bytes where bit 1
+ * of the second byte is zero. In contrast to the 001b code,
+ * writing one byte to the status register does not modify status
+ * register 2.
+ * 101b QE is bit 1 of the status register 2. Status register 1 is
+ * read using Read Status instruction 05h. Status register 2 is
+ * read using instruction 35h. QE is set via Write Status
+ * instruction 01h with two data bytes where bit 1 of the second
+ * byte is one. It is cleared via Write Status with two data
+ * bytes where bit 1 of the second byte is zero.
+ * <19:16> : 0-4-4 Mode Entry Method, where
+ * xxx1b Mode Bits[7:0] = A5h Note: QE must be set prior to using this
+ * mode
+ * xx1xb Read the 8-bit volatile configuration register with
+ * instruction 85h, set XIP bit[3] in the data read, and write
+ * the modified data using the instruction 81h, then Mode Bits
+ * [7:0] = 01h
+ * <15:10> : 0-4-4 Mode Exit Method, where
+ * xx_xxx1b Mode Bits[7:0] = 00h will terminate this mode at the end
+ * of the current read operation
+ * xx_xx1xb If 3-Byte address active, input Fh on DQ0-DQ3 for 8
+ * clocks. If 4-Byte address active, input Fh on DQ0-DQ3 for
+ * 10 clocks. This will terminate the mode prior to the next
+ * read operation.
+ * xx_1xxxb Input Fh (mode bit reset) on DQ0-DQ3 for 8 clocks. This
+ * will terminate the mode prior to the next read operation.
+ * <9> : 0-4-4 mode supported (1 supported, 0 unsupported)
+ * <8:4> : 4-4-4 mode enable sequences, where
+ * x_xxx1b set QE per QER description above, then issue
+ * instruction 38h
+ * x_xx1xb issue instruction 38h
+ * x_x1xxb issue instruction 35h
+ * x_1xxxb device uses a read-modify-write sequence of operations:
+ * read configuration using instruction 65h followed by
+ * address 800003h, set bit 6,
+ * write configuration using instruction 71h followed by
+ * address 800003h. This configuration is volatile.
+ * <3:0> : 4-4-4 mode disable sequences, where
+ * xxx1b issue FFh instruction
+ * xx1xb issue F5h instruction
+ * x1xxb device uses a read-modify-write sequence of operations:
+ * read configuration using instruction 65h followed by address
+ * 800003h, clear bit 6,
+ * write configuration using instruction 71h followed by
+ * address 800003h. This configuration is volatile.
+ * 1xxxb issue the Soft Reset 66/99 sequence
+ */
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW15_HOLD_WP_DISABLE, 23, 23);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW15_QE_REQ, 22, 20);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW15_0_4_4_ENTRY, 19, 16);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW15_0_4_4_EXIT, 15, 10);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW15_0_4_4_SUPPORTED, 9, 9);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW15_4_4_4_ENTRY, 8, 4);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW15_4_4_4_EXIT, 3, 0);
+#define BFPT_1_5_DWORD_15(holdwpdis, qereq, fr044entry, fr044exit, fr044sup, \
+ fr444entry, fr444exit) \
+ (SFDP_UNUSED(31, 24) | \
+ SFDP_BITFIELD(BFPT_1_5_DW15_HOLD_WP_DISABLE, holdwpdis) | \
+ SFDP_BITFIELD(BFPT_1_5_DW15_QE_REQ, qereq) | \
+ SFDP_BITFIELD(BFPT_1_5_DW15_0_4_4_ENTRY, fr044entry) | \
+ SFDP_BITFIELD(BFPT_1_5_DW15_0_4_4_EXIT, fr044exit) | \
+ SFDP_BITFIELD(BFPT_1_5_DW15_0_4_4_SUPPORTED, fr044sup) | \
+ SFDP_BITFIELD(BFPT_1_5_DW15_4_4_4_ENTRY, fr444entry) | \
+ SFDP_BITFIELD(BFPT_1_5_DW15_4_4_4_EXIT, fr444exit))
+
+
+/* Basic Flash Parameter Table v1.5 16th DWORD
+ * -------------------------------------------
+ * <31:24> : Enter 4-Byte Addressing, where
+ * xxxx_xxx1b issue instruction B7h
+ * (preceding write enable not required)
+ * xxxx_xx1xb issue write enable instruction 06h, then issue
+ * instruction B7h
+ * xxxx_x1xxb 8-bit volatile extended address register used to define
+ * A[31:24] bits. Read with instruction C8h. Write
+ * instruction is C5h with 1 byte of data. Select the
+ * active 128 Mbit memory segment by setting the
+ * appropriate A[31:24] bits and use 3-Byte addressing.
+ * xxxx_1xxxb 8-bit volatile bank register used to define A[30:A24]
+ * bits. MSB (bit[7]) is used to enable/disable 4-byte
+ * address mode. When MSB is set to ‘1’, 4-byte address
+ * mode is active and A[30:24] bits are don’t care. Read
+ * with instruction 16h. Write instruction is 17h with 1
+ * byte of data. When MSB is cleared to ‘0’, select the
+ * active 128 Mbit segment by setting the appropriate
+ * A[30:24] bits and use 3-Byte addressing.
+ * xxx1_xxxxb A 16-bit nonvolatile configuration register controls
+ * 3-Byte/4-Byte address mode. Read instruction is B5h.
+ * Bit[0] controls address mode [0=3-Byte; 1=4-Byte]. Write
+ * configuration register instruction is B1h, data length
+ * is 2 bytes.
+ * xx1x_xxxxb Supports dedicated 4-Byte address instruction set.
+ * Consult vendor data sheet for the instruction set
+ * definition.
+ * x1xx_xxxxb Always operates in 4-Byte address mode
+ * <23:14> : Exit 4-Byte Addressing, where
+ * xx_xxxx_xxx1b issue instruction E9h to exit 4-Byte address mode
+ * (write enable instruction 06h is not required)
+ * xx_xxxx_xx1xb issue write enable instruction 06h, then issue
+ * instruction E9h to exit 4-Byte address mode
+ * xx_xxxx_x1xxb 8-bit volatile extended address register used to
+ * define A[31:A24] bits. Read with instruction C8h.
+ * Write instruction is C5h, data length is 1 byte.
+ * Return to lowest memory segment by setting A[31:24]
+ * to 00h and use 3-Byte addressing.
+ * xx_xxxx_1xxxb 8-bit volatile bank register used to define A[30:A24]
+ * bits. MSB (bit[7]) is used to enable/disable 4-byte
+ * address mode. When MSB is cleared to ‘0’, 3-byte
+ * address mode is active and A30:A24 are used to select
+ * the active 128 Mbit memory segment. Read with
+ * instruction 16h. Write instruction is 17h, data
+ * length is 1 byte.
+ * xx_xxx1_xxxxb A 16-bit nonvolatile configuration register controls
+ * 3-Byte/4-Byte address mode. Read instruction is B5h.
+ * Bit[0] controls address mode [0=3-Byte; 1=4-Byte].
+ * Write configuration register instruction is B1h, data
+ * length is 2 bytes.
+ * xx_xx1x_xxxxb Hardware reset
+ * xx_x1xx_xxxxb Software reset (see bits 13:8 in this DWORD)
+ * xx_1xxx_xxxxb Power cycle
+ * <13:8> : Soft Reset and Rescue Sequence Support, where
+ * 00_0000b no software reset instruction is supported
+ * xx_xxx1b drive Fh on all 4 data wires for 8 clocks
+ * xx_xx1xb drive Fh on all 4 data wires for 10 clocks if device is
+ * operating in 4-byte address mode
+ * xx_x1xxb drive Fh on all 4 data wires for 16 clocks
+ * xx_1xxxb issue instruction F0h
+ * x1_xxxxb issue reset enable instruction 66h, then issue reset
+ * instruction 99h. The reset enable, reset sequence may be
+ * issued on 1, 2, or 4 wires depending on the device
+ * operating mode.
+ * 1x_xxxxb exit 0-4-4 mode is required prior to other reset sequences
+ * above if the device may be operating in this mode.
+ * <7> : Reserved (0x1)
+ * <6:0> : Volatile or Non-Volatile Register and Write Enable Instruction for
+ * Status Register 1, where
+ * xx0_0000b status register is read only
+ * xxx_xxx1b Non-Volatile Status Register 1, powers-up to last written
+ * value, use instruction 06h to enable write
+ * xxx_xx1xb Volatile Status Register 1, status register powers-up
+ * with bits set to "1"s, use instruction 06h to enable
+ * write
+ * xxx_x1xxb Volatile Status Register 1, status register powers-up
+ * with bits set to "1"s, use instruction 50h to enable
+ * write
+ * xxx_1xxxb Non-Volatile/Volatile status register 1 powers-up to last
+ * written value in the non-volatile status register, use
+ * instruction 06h to enable write to non-volatile status
+ * register. Volatile status register may be activated after
+ * power-up to override the non-volatile status register,
+ * use instruction 50h to enable write and activate the
+ * volatile status register.
+ * xx1_xxxxb Status Register 1 contains a mix of volatile and
+ * non-volatile bits. The 06h instruction is used to enable
+ * writing of the register.
+ */
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW16_4_BYTE_ENTRY, 31, 24);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW16_4_BYTE_EXIT, 23, 14);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW16_SOFT_RESET, 13, 8);
+SFDP_DEFINE_BITFIELD(BFPT_1_5_DW16_STATUS_REG_1, 6, 0);
+#define BFPT_1_5_DWORD_16(entry, exit, softreset, statusreg1) \
+ (SFDP_BITFIELD(BFPT_1_5_DW16_4_BYTE_ENTRY, entry) | \
+ SFDP_BITFIELD(BFPT_1_5_DW16_4_BYTE_EXIT, exit) | \
+ SFDP_BITFIELD(BFPT_1_5_DW16_SOFT_RESET, softreset) | \
+ SFDP_UNUSED(7, 7) | \
+ SFDP_BITFIELD(BFPT_1_5_DW16_STATUS_REG_1, statusreg1))
+
+#endif /* __CROS_EC_SFDP_H */