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-rw-r--r--include/linux/mtd/mtd.h10
-rw-r--r--include/linux/mtd/rawnand.h6
-rw-r--r--include/linux/mtd/spi-nor.h11
-rw-r--r--include/linux/mtd/xip.h10
4 files changed, 30 insertions, 7 deletions
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index f8a2ef239c60..6cd0f6b7658b 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -206,6 +206,15 @@ struct mtd_pairing_scheme {
struct module; /* only needed for owner field in mtd_info */
+/**
+ * struct mtd_debug_info - debugging information for an MTD device.
+ *
+ * @dfs_dir: direntry object of the MTD device debugfs directory
+ */
+struct mtd_debug_info {
+ struct dentry *dfs_dir;
+};
+
struct mtd_info {
u_char type;
uint32_t flags;
@@ -346,6 +355,7 @@ struct mtd_info {
struct module *owner;
struct device dev;
int usecount;
+ struct mtd_debug_info dbg;
};
int mtd_ooblayout_ecc(struct mtd_info *mtd, int section,
diff --git a/include/linux/mtd/rawnand.h b/include/linux/mtd/rawnand.h
index c433f093766a..2b05f4273bab 100644
--- a/include/linux/mtd/rawnand.h
+++ b/include/linux/mtd/rawnand.h
@@ -671,10 +671,10 @@ struct nand_buffers {
* @tWW_min: WP# transition to WE# low
*/
struct nand_sdr_timings {
- u32 tBERS_max;
+ u64 tBERS_max;
u32 tCCS_min;
- u32 tPROG_max;
- u32 tR_max;
+ u64 tPROG_max;
+ u64 tR_max;
u32 tALH_min;
u32 tADL_min;
u32 tALS_min;
diff --git a/include/linux/mtd/spi-nor.h b/include/linux/mtd/spi-nor.h
index 55faa2f07cca..1f0a7fc7772f 100644
--- a/include/linux/mtd/spi-nor.h
+++ b/include/linux/mtd/spi-nor.h
@@ -41,6 +41,8 @@
#define SPINOR_OP_WREN 0x06 /* Write enable */
#define SPINOR_OP_RDSR 0x05 /* Read status register */
#define SPINOR_OP_WRSR 0x01 /* Write status register 1 byte */
+#define SPINOR_OP_RDSR2 0x3f /* Read status register 2 */
+#define SPINOR_OP_WRSR2 0x3e /* Write status register 2 */
#define SPINOR_OP_READ 0x03 /* Read data bytes (low frequency) */
#define SPINOR_OP_READ_FAST 0x0b /* Read data bytes (high frequency) */
#define SPINOR_OP_READ_1_1_2 0x3b /* Read data bytes (Dual Output SPI) */
@@ -56,6 +58,7 @@
#define SPINOR_OP_CHIP_ERASE 0xc7 /* Erase whole flash chip */
#define SPINOR_OP_SE 0xd8 /* Sector erase (usually 64KiB) */
#define SPINOR_OP_RDID 0x9f /* Read JEDEC ID */
+#define SPINOR_OP_RDSFDP 0x5a /* Read SFDP */
#define SPINOR_OP_RDCR 0x35 /* Read configuration register */
#define SPINOR_OP_RDFSR 0x70 /* Read flag status register */
@@ -102,6 +105,7 @@
/* Used for Spansion flashes only. */
#define SPINOR_OP_BRWR 0x17 /* Bank register write */
+#define SPINOR_OP_CLSR 0x30 /* Clear status register 1 */
/* Used for Micron flashes only. */
#define SPINOR_OP_RD_EVCR 0x65 /* Read EVCR register */
@@ -116,6 +120,9 @@
#define SR_BP2 BIT(4) /* Block protect 2 */
#define SR_TB BIT(5) /* Top/Bottom protect */
#define SR_SRWD BIT(7) /* SR write protect */
+/* Spansion/Cypress specific status bits */
+#define SR_E_ERR BIT(5)
+#define SR_P_ERR BIT(6)
#define SR_QUAD_EN_MX BIT(6) /* Macronix Quad I/O */
@@ -128,6 +135,9 @@
/* Configuration Register bits. */
#define CR_QUAD_EN_SPAN BIT(1) /* Spansion Quad I/O */
+/* Status Register 2 bits. */
+#define SR2_QUAD_EN_BIT7 BIT(7)
+
/* Supported SPI protocols */
#define SNOR_PROTO_INST_MASK GENMASK(23, 16)
#define SNOR_PROTO_INST_SHIFT 16
@@ -218,6 +228,7 @@ enum spi_nor_option_flags {
SNOR_F_NO_OP_CHIP_ERASE = BIT(2),
SNOR_F_S3AN_ADDR_DEFAULT = BIT(3),
SNOR_F_READY_XSR_RDY = BIT(4),
+ SNOR_F_USE_CLSR = BIT(5),
};
/**
diff --git a/include/linux/mtd/xip.h b/include/linux/mtd/xip.h
index abed4dec5c2f..e373690cce0a 100644
--- a/include/linux/mtd/xip.h
+++ b/include/linux/mtd/xip.h
@@ -30,7 +30,9 @@
* obviously not be running from flash. The __xipram is therefore marking
* those functions so they get relocated to ram.
*/
-#define __xipram noinline __attribute__ ((__section__ (".data")))
+#ifdef CONFIG_XIP_KERNEL
+#define __xipram noinline __attribute__ ((__section__ (".xiptext")))
+#endif
/*
* Each architecture has to provide the following macros. They must access
@@ -90,10 +92,10 @@
#define xip_cpu_idle() do { } while (0)
#endif
-#else
+#endif /* CONFIG_MTD_XIP */
+#ifndef __xipram
#define __xipram
-
-#endif /* CONFIG_MTD_XIP */
+#endif
#endif /* __LINUX_MTD_XIP_H__ */
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