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From: Pratyush Yadav
To: Chris Packham , Jagan Teki
, Vignesh R , Ryder Lee
, Weijie Gao ,
GSS_MTK_Uboot_upstream ,
CC: Pratyush Yadav , Sekhar Nori , "Tan, Ley
Foon"
Subject: [PATCH v6 07/21] mtd: spi-nor-core: Move SFDP related declarations to
top
Date: Fri, 5 Jun 2020 18:14:46 +0530
Message-ID: <20200605124500.17867-8-p.yadav@ti.com>
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These structures will be used in a later commit inside another structure
definition. Also take the declarations out of the ifdef since they won't
affect the final binary anyway and will be used in a later commit.
Signed-off-by: Pratyush Yadav
---
drivers/mtd/spi/spi-nor-core.c | 224 ++++++++++++++++-----------------
1 file changed, 112 insertions(+), 112 deletions(-)
diff --git a/drivers/mtd/spi/spi-nor-core.c b/drivers/mtd/spi/spi-nor-core.c
index 084d593ed5..28f5f877b4 100644
--- a/drivers/mtd/spi/spi-nor-core.c
+++ b/drivers/mtd/spi/spi-nor-core.c
@@ -38,6 +38,118 @@
#define DEFAULT_READY_WAIT_JIFFIES (40UL * HZ)
+struct sfdp_parameter_header {
+ u8 id_lsb;
+ u8 minor;
+ u8 major;
+ u8 length; /* in double words */
+ u8 parameter_table_pointer[3]; /* byte address */
+ u8 id_msb;
+};
+
+#define SFDP_PARAM_HEADER_ID(p) (((p)->id_msb << 8) | (p)->id_lsb)
+#define SFDP_PARAM_HEADER_PTP(p) \
+ (((p)->parameter_table_pointer[2] << 16) | \
+ ((p)->parameter_table_pointer[1] << 8) | \
+ ((p)->parameter_table_pointer[0] << 0))
+
+#define SFDP_BFPT_ID 0xff00 /* Basic Flash Parameter Table */
+#define SFDP_SECTOR_MAP_ID 0xff81 /* Sector Map Table */
+#define SFDP_SST_ID 0x01bf /* Manufacturer specific Table */
+
+#define SFDP_SIGNATURE 0x50444653U
+#define SFDP_JESD216_MAJOR 1
+#define SFDP_JESD216_MINOR 0
+#define SFDP_JESD216A_MINOR 5
+#define SFDP_JESD216B_MINOR 6
+
+struct sfdp_header {
+ u32 signature; /* Ox50444653U <=> "SFDP" */
+ u8 minor;
+ u8 major;
+ u8 nph; /* 0-base number of parameter headers */
+ u8 unused;
+
+ /* Basic Flash Parameter Table. */
+ struct sfdp_parameter_header bfpt_header;
+};
+
+/* Basic Flash Parameter Table */
+
+/*
+ * JESD216 rev B defines a Basic Flash Parameter Table of 16 DWORDs.
+ * They are indexed from 1 but C arrays are indexed from 0.
+ */
+#define BFPT_DWORD(i) ((i) - 1)
+#define BFPT_DWORD_MAX 16
+
+/* The first version of JESB216 defined only 9 DWORDs. */
+#define BFPT_DWORD_MAX_JESD216 9
+
+/* 1st DWORD. */
+#define BFPT_DWORD1_FAST_READ_1_1_2 BIT(16)
+#define BFPT_DWORD1_ADDRESS_BYTES_MASK GENMASK(18, 17)
+#define BFPT_DWORD1_ADDRESS_BYTES_3_ONLY (0x0UL << 17)
+#define BFPT_DWORD1_ADDRESS_BYTES_3_OR_4 (0x1UL << 17)
+#define BFPT_DWORD1_ADDRESS_BYTES_4_ONLY (0x2UL << 17)
+#define BFPT_DWORD1_DTR BIT(19)
+#define BFPT_DWORD1_FAST_READ_1_2_2 BIT(20)
+#define BFPT_DWORD1_FAST_READ_1_4_4 BIT(21)
+#define BFPT_DWORD1_FAST_READ_1_1_4 BIT(22)
+
+/* 5th DWORD. */
+#define BFPT_DWORD5_FAST_READ_2_2_2 BIT(0)
+#define BFPT_DWORD5_FAST_READ_4_4_4 BIT(4)
+
+/* 11th DWORD. */
+#define BFPT_DWORD11_PAGE_SIZE_SHIFT 4
+#define BFPT_DWORD11_PAGE_SIZE_MASK GENMASK(7, 4)
+
+/* 15th DWORD. */
+
+/*
+ * (from JESD216 rev B)
+ * Quad Enable Requirements (QER):
+ * - 000b: Device does not have a QE bit. Device detects 1-1-4 and 1-4-4
+ * reads based on instruction. DQ3/HOLD# functions are 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.
+ * [...]
+ * 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.
+ * [...]
+ * - 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.
+ * [...]
+ * 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.
+ * [...]
+ * 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 status register 2. Status register 1 is read using
+ * Read Status instruction 05h. Status register2 is read using
+ * instruction 35h. QE is set via Writ Status instruction 01h with
+ * two data bytes where bit 1 of the second byte is one.
+ * [...]
+ */
+#define BFPT_DWORD15_QER_MASK GENMASK(22, 20)
+#define BFPT_DWORD15_QER_NONE (0x0UL << 20) /* Micron */
+#define BFPT_DWORD15_QER_SR2_BIT1_BUGGY (0x1UL << 20)
+#define BFPT_DWORD15_QER_SR1_BIT6 (0x2UL << 20) /* Macronix */
+#define BFPT_DWORD15_QER_SR2_BIT7 (0x3UL << 20)
+#define BFPT_DWORD15_QER_SR2_BIT1_NO_RD (0x4UL << 20)
+#define BFPT_DWORD15_QER_SR2_BIT1 (0x5UL << 20) /* Spansion */
+
+struct sfdp_bfpt {
+ u32 dwords[BFPT_DWORD_MAX];
+};
+
static int spi_nor_read_write_reg(struct spi_nor *nor, struct spi_mem_op
*op, void *buf)
{
@@ -1524,118 +1636,6 @@ read_err:
return ret;
}
-struct sfdp_parameter_header {
- u8 id_lsb;
- u8 minor;
- u8 major;
- u8 length; /* in double words */
- u8 parameter_table_pointer[3]; /* byte address */
- u8 id_msb;
-};
-
-#define SFDP_PARAM_HEADER_ID(p) (((p)->id_msb << 8) | (p)->id_lsb)
-#define SFDP_PARAM_HEADER_PTP(p) \
- (((p)->parameter_table_pointer[2] << 16) | \
- ((p)->parameter_table_pointer[1] << 8) | \
- ((p)->parameter_table_pointer[0] << 0))
-
-#define SFDP_BFPT_ID 0xff00 /* Basic Flash Parameter Table */
-#define SFDP_SECTOR_MAP_ID 0xff81 /* Sector Map Table */
-#define SFDP_SST_ID 0x01bf /* Manufacturer specific Table */
-
-#define SFDP_SIGNATURE 0x50444653U
-#define SFDP_JESD216_MAJOR 1
-#define SFDP_JESD216_MINOR 0
-#define SFDP_JESD216A_MINOR 5
-#define SFDP_JESD216B_MINOR 6
-
-struct sfdp_header {
- u32 signature; /* Ox50444653U <=> "SFDP" */
- u8 minor;
- u8 major;
- u8 nph; /* 0-base number of parameter headers */
- u8 unused;
-
- /* Basic Flash Parameter Table. */
- struct sfdp_parameter_header bfpt_header;
-};
-
-/* Basic Flash Parameter Table */
-
-/*
- * JESD216 rev B defines a Basic Flash Parameter Table of 16 DWORDs.
- * They are indexed from 1 but C arrays are indexed from 0.
- */
-#define BFPT_DWORD(i) ((i) - 1)
-#define BFPT_DWORD_MAX 16
-
-/* The first version of JESB216 defined only 9 DWORDs. */
-#define BFPT_DWORD_MAX_JESD216 9
-
-/* 1st DWORD. */
-#define BFPT_DWORD1_FAST_READ_1_1_2 BIT(16)
-#define BFPT_DWORD1_ADDRESS_BYTES_MASK GENMASK(18, 17)
-#define BFPT_DWORD1_ADDRESS_BYTES_3_ONLY (0x0UL << 17)
-#define BFPT_DWORD1_ADDRESS_BYTES_3_OR_4 (0x1UL << 17)
-#define BFPT_DWORD1_ADDRESS_BYTES_4_ONLY (0x2UL << 17)
-#define BFPT_DWORD1_DTR BIT(19)
-#define BFPT_DWORD1_FAST_READ_1_2_2 BIT(20)
-#define BFPT_DWORD1_FAST_READ_1_4_4 BIT(21)
-#define BFPT_DWORD1_FAST_READ_1_1_4 BIT(22)
-
-/* 5th DWORD. */
-#define BFPT_DWORD5_FAST_READ_2_2_2 BIT(0)
-#define BFPT_DWORD5_FAST_READ_4_4_4 BIT(4)
-
-/* 11th DWORD. */
-#define BFPT_DWORD11_PAGE_SIZE_SHIFT 4
-#define BFPT_DWORD11_PAGE_SIZE_MASK GENMASK(7, 4)
-
-/* 15th DWORD. */
-
-/*
- * (from JESD216 rev B)
- * Quad Enable Requirements (QER):
- * - 000b: Device does not have a QE bit. Device detects 1-1-4 and 1-4-4
- * reads based on instruction. DQ3/HOLD# functions are 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.
- * [...]
- * 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.
- * [...]
- * - 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.
- * [...]
- * 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.
- * [...]
- * 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 status register 2. Status register 1 is read using
- * Read Status instruction 05h. Status register2 is read using
- * instruction 35h. QE is set via Writ Status instruction 01h with
- * two data bytes where bit 1 of the second byte is one.
- * [...]
- */
-#define BFPT_DWORD15_QER_MASK GENMASK(22, 20)
-#define BFPT_DWORD15_QER_NONE (0x0UL << 20) /* Micron */
-#define BFPT_DWORD15_QER_SR2_BIT1_BUGGY (0x1UL << 20)
-#define BFPT_DWORD15_QER_SR1_BIT6 (0x2UL << 20) /* Macronix */
-#define BFPT_DWORD15_QER_SR2_BIT7 (0x3UL << 20)
-#define BFPT_DWORD15_QER_SR2_BIT1_NO_RD (0x4UL << 20)
-#define BFPT_DWORD15_QER_SR2_BIT1 (0x5UL << 20) /* Spansion */
-
-struct sfdp_bfpt {
- u32 dwords[BFPT_DWORD_MAX];
-};
-
/* Fast Read settings. */
static void