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authorLinus Torvalds <torvalds@linux-foundation.org>2011-01-17 14:15:30 -0500
committerLinus Torvalds <torvalds@linux-foundation.org>2011-01-17 14:15:30 -0500
commitab2020f2f11fc7fb81e6c71298b0830d85412011 (patch)
treec9a6342063461dcf31278d65585bca73bdda4a84 /include/linux
parent235646a486d10891bd86af28d8eac75d9f22bd2d (diff)
parent154bf89f5e3e3dc59666926f27ca4a0866f39157 (diff)
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: (59 commits) mtd: mtdpart: disallow reading OOB past the end of the partition mtd: pxa3xx_nand: NULL dereference in pxa3xx_nand_probe UBI: use mtd->writebufsize to set minimal I/O unit size mtd: initialize writebufsize in the MTD object of a partition mtd: onenand: add mtd->writebufsize initialization mtd: nand: add mtd->writebufsize initialization mtd: cfi: add writebufsize initialization mtd: add writebufsize field to mtd_info struct mtd: OneNAND: OMAP2/3: prevent regulator sleeping while OneNAND is in use mtd: OneNAND: add enable / disable methods to onenand_chip mtd: m25p80: Fix JEDEC ID for AT26DF321 mtd: txx9ndfmc: limit transfer bytes to 512 (ECC provides 6 bytes max) mtd: cfi_cmdset_0002: add support for Samsung K8D3x16UxC NOR chips mtd: cfi_cmdset_0002: add support for Samsung K8D6x16UxM NOR chips mtd: nand: ams-delta: drop omap_read/write, use ioremap mtd: m25p80: add debugging trace in sst_write mtd: nand: ams-delta: select for built-in by default mtd: OneNAND: lighten scary initial bad block messages mtd: OneNAND: OMAP2/3: add support for command line partitioning mtd: nand: rearrange ONFI revision checking, add ONFI 2.3 ... Fix up trivial conflict in drivers/mtd/Kconfig as per DavidW.
Diffstat (limited to 'include/linux')
-rw-r--r--include/linux/mtd/cfi.h3
-rw-r--r--include/linux/mtd/fsmc.h26
-rw-r--r--include/linux/mtd/mtd.h11
-rw-r--r--include/linux/mtd/nand.h2
-rw-r--r--include/linux/mtd/onenand.h14
-rw-r--r--include/linux/mtd/partitions.h2
6 files changed, 33 insertions, 25 deletions
diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h
index 4dd0c2cd765..a9baee6864a 100644
--- a/include/linux/mtd/cfi.h
+++ b/include/linux/mtd/cfi.h
@@ -527,8 +527,7 @@ struct cfi_extquery *cfi_read_pri(struct map_info *map, uint16_t adr, uint16_t s
527struct cfi_fixup { 527struct cfi_fixup {
528 uint16_t mfr; 528 uint16_t mfr;
529 uint16_t id; 529 uint16_t id;
530 void (*fixup)(struct mtd_info *mtd, void* param); 530 void (*fixup)(struct mtd_info *mtd);
531 void* param;
532}; 531};
533 532
534#define CFI_MFR_ANY 0xFFFF 533#define CFI_MFR_ANY 0xFFFF
diff --git a/include/linux/mtd/fsmc.h b/include/linux/mtd/fsmc.h
index 5d2556700ec..6987995ad3c 100644
--- a/include/linux/mtd/fsmc.h
+++ b/include/linux/mtd/fsmc.h
@@ -16,6 +16,7 @@
16#ifndef __MTD_FSMC_H 16#ifndef __MTD_FSMC_H
17#define __MTD_FSMC_H 17#define __MTD_FSMC_H
18 18
19#include <linux/io.h>
19#include <linux/platform_device.h> 20#include <linux/platform_device.h>
20#include <linux/mtd/physmap.h> 21#include <linux/mtd/physmap.h>
21#include <linux/types.h> 22#include <linux/types.h>
@@ -27,7 +28,7 @@
27 28
28/* 29/*
29 * The placement of the Command Latch Enable (CLE) and 30 * The placement of the Command Latch Enable (CLE) and
30 * Address Latch Enable (ALE) is twised around in the 31 * Address Latch Enable (ALE) is twisted around in the
31 * SPEAR310 implementation. 32 * SPEAR310 implementation.
32 */ 33 */
33#if defined(CONFIG_MACH_SPEAR310) 34#if defined(CONFIG_MACH_SPEAR310)
@@ -62,7 +63,7 @@ struct fsmc_nor_bank_regs {
62 63
63/* ctrl_tim register definitions */ 64/* ctrl_tim register definitions */
64 65
65struct fsms_nand_bank_regs { 66struct fsmc_nand_bank_regs {
66 uint32_t pc; 67 uint32_t pc;
67 uint32_t sts; 68 uint32_t sts;
68 uint32_t comm; 69 uint32_t comm;
@@ -78,7 +79,7 @@ struct fsms_nand_bank_regs {
78struct fsmc_regs { 79struct fsmc_regs {
79 struct fsmc_nor_bank_regs nor_bank_regs[FSMC_MAX_NOR_BANKS]; 80 struct fsmc_nor_bank_regs nor_bank_regs[FSMC_MAX_NOR_BANKS];
80 uint8_t reserved_1[0x40 - 0x20]; 81 uint8_t reserved_1[0x40 - 0x20];
81 struct fsms_nand_bank_regs bank_regs[FSMC_MAX_NAND_BANKS]; 82 struct fsmc_nand_bank_regs bank_regs[FSMC_MAX_NAND_BANKS];
82 uint8_t reserved_2[0xfe0 - 0xc0]; 83 uint8_t reserved_2[0xfe0 - 0xc0];
83 uint32_t peripid0; /* 0xfe0 */ 84 uint32_t peripid0; /* 0xfe0 */
84 uint32_t peripid1; /* 0xfe4 */ 85 uint32_t peripid1; /* 0xfe4 */
@@ -114,25 +115,6 @@ struct fsmc_regs {
114#define FSMC_THOLD_4 (4 << 16) 115#define FSMC_THOLD_4 (4 << 16)
115#define FSMC_THIZ_1 (1 << 24) 116#define FSMC_THIZ_1 (1 << 24)
116 117
117/* peripid2 register definitions */
118#define FSMC_REVISION_MSK (0xf)
119#define FSMC_REVISION_SHFT (0x4)
120
121#define FSMC_VER1 1
122#define FSMC_VER2 2
123#define FSMC_VER3 3
124#define FSMC_VER4 4
125#define FSMC_VER5 5
126#define FSMC_VER6 6
127#define FSMC_VER7 7
128#define FSMC_VER8 8
129
130static inline uint32_t get_fsmc_version(struct fsmc_regs *regs)
131{
132 return (readl(&regs->peripid2) >> FSMC_REVISION_SHFT) &
133 FSMC_REVISION_MSK;
134}
135
136/* 118/*
137 * There are 13 bytes of ecc for every 512 byte block in FSMC version 8 119 * There are 13 bytes of ecc for every 512 byte block in FSMC version 8
138 * and it has to be read consecutively and immediately after the 512 120 * and it has to be read consecutively and immediately after the 512
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index fe8d77ebec1..9d5306bad11 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -144,6 +144,17 @@ struct mtd_info {
144 */ 144 */
145 uint32_t writesize; 145 uint32_t writesize;
146 146
147 /*
148 * Size of the write buffer used by the MTD. MTD devices having a write
149 * buffer can write multiple writesize chunks at a time. E.g. while
150 * writing 4 * writesize bytes to a device with 2 * writesize bytes
151 * buffer the MTD driver can (but doesn't have to) do 2 writesize
152 * operations, but not 4. Currently, all NANDs have writebufsize
153 * equivalent to writesize (NAND page size). Some NOR flashes do have
154 * writebufsize greater than writesize.
155 */
156 uint32_t writebufsize;
157
147 uint32_t oobsize; // Amount of OOB data per block (e.g. 16) 158 uint32_t oobsize; // Amount of OOB data per block (e.g. 16)
148 uint32_t oobavail; // Available OOB bytes per block 159 uint32_t oobavail; // Available OOB bytes per block
149 160
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 63e17d01fde..1f489b247a2 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -448,6 +448,8 @@ struct nand_buffers {
448 * See the defines for further explanation. 448 * See the defines for further explanation.
449 * @badblockpos: [INTERN] position of the bad block marker in the oob 449 * @badblockpos: [INTERN] position of the bad block marker in the oob
450 * area. 450 * area.
451 * @badblockbits: [INTERN] number of bits to left-shift the bad block
452 * number
451 * @cellinfo: [INTERN] MLC/multichip data from chip ident 453 * @cellinfo: [INTERN] MLC/multichip data from chip ident
452 * @numchips: [INTERN] number of physical chips 454 * @numchips: [INTERN] number of physical chips
453 * @chipsize: [INTERN] the size of one chip for multichip arrays 455 * @chipsize: [INTERN] the size of one chip for multichip arrays
diff --git a/include/linux/mtd/onenand.h b/include/linux/mtd/onenand.h
index 0c8815bfae1..ae418e41d8f 100644
--- a/include/linux/mtd/onenand.h
+++ b/include/linux/mtd/onenand.h
@@ -118,6 +118,8 @@ struct onenand_chip {
118 int (*chip_probe)(struct mtd_info *mtd); 118 int (*chip_probe)(struct mtd_info *mtd);
119 int (*block_markbad)(struct mtd_info *mtd, loff_t ofs); 119 int (*block_markbad)(struct mtd_info *mtd, loff_t ofs);
120 int (*scan_bbt)(struct mtd_info *mtd); 120 int (*scan_bbt)(struct mtd_info *mtd);
121 int (*enable)(struct mtd_info *mtd);
122 int (*disable)(struct mtd_info *mtd);
121 123
122 struct completion complete; 124 struct completion complete;
123 int irq; 125 int irq;
@@ -137,6 +139,14 @@ struct onenand_chip {
137 void *bbm; 139 void *bbm;
138 140
139 void *priv; 141 void *priv;
142
143 /*
144 * Shows that the current operation is composed
145 * of sequence of commands. For example, cache program.
146 * Such command status OnGo bit is checked at the end of
147 * sequence.
148 */
149 unsigned int ongoing;
140}; 150};
141 151
142/* 152/*
@@ -171,6 +181,9 @@ struct onenand_chip {
171#define ONENAND_IS_2PLANE(this) (0) 181#define ONENAND_IS_2PLANE(this) (0)
172#endif 182#endif
173 183
184#define ONENAND_IS_CACHE_PROGRAM(this) \
185 (this->options & ONENAND_HAS_CACHE_PROGRAM)
186
174/* Check byte access in OneNAND */ 187/* Check byte access in OneNAND */
175#define ONENAND_CHECK_BYTE_ACCESS(addr) (addr & 0x1) 188#define ONENAND_CHECK_BYTE_ACCESS(addr) (addr & 0x1)
176 189
@@ -181,6 +194,7 @@ struct onenand_chip {
181#define ONENAND_HAS_UNLOCK_ALL (0x0002) 194#define ONENAND_HAS_UNLOCK_ALL (0x0002)
182#define ONENAND_HAS_2PLANE (0x0004) 195#define ONENAND_HAS_2PLANE (0x0004)
183#define ONENAND_HAS_4KB_PAGE (0x0008) 196#define ONENAND_HAS_4KB_PAGE (0x0008)
197#define ONENAND_HAS_CACHE_PROGRAM (0x0010)
184#define ONENAND_SKIP_UNLOCK_CHECK (0x0100) 198#define ONENAND_SKIP_UNLOCK_CHECK (0x0100)
185#define ONENAND_PAGEBUF_ALLOC (0x1000) 199#define ONENAND_PAGEBUF_ALLOC (0x1000)
186#define ONENAND_OOBBUF_ALLOC (0x2000) 200#define ONENAND_OOBBUF_ALLOC (0x2000)
diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h
index 2b54316591d..4a0a8ba90a7 100644
--- a/include/linux/mtd/partitions.h
+++ b/include/linux/mtd/partitions.h
@@ -89,7 +89,7 @@ static inline int mtd_has_cmdlinepart(void) { return 1; }
89static inline int mtd_has_cmdlinepart(void) { return 0; } 89static inline int mtd_has_cmdlinepart(void) { return 0; }
90#endif 90#endif
91 91
92int mtd_is_master(struct mtd_info *mtd); 92int mtd_is_partition(struct mtd_info *mtd);
93int mtd_add_partition(struct mtd_info *master, char *name, 93int mtd_add_partition(struct mtd_info *master, char *name,
94 long long offset, long long length); 94 long long offset, long long length);
95int mtd_del_partition(struct mtd_info *master, int partno); 95int mtd_del_partition(struct mtd_info *master, int partno);