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authorLinus Torvalds <torvalds@linux-foundation.org>2008-10-20 12:03:12 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2008-10-20 12:03:12 -0400
commit2be508d847392e431759e370d21cea9412848758 (patch)
treebe5e00a4d7be4ef353ffe4d550fb80a251d321c3 /include/linux/mtd
parent01e8ef11bc1a74e65678ed55795f59266d4add01 (diff)
parent8a1a6272057e2ad90ab531a70330165888866e60 (diff)
Merge git://git.infradead.org/mtd-2.6
* git://git.infradead.org/mtd-2.6: (69 commits) Revert "[MTD] m25p80.c code cleanup" [MTD] [NAND] GPIO driver depends on ARM... for now. [MTD] [NAND] sh_flctl: fix compile error [MTD] [NOR] AT49BV6416 has swapped erase regions [MTD] [NAND] GPIO NAND flash driver [MTD] cmdlineparts documentation change - explain where mtd-id comes from [MTD] cfi_cmdset_0002.c: Add Macronix CFI V1.0 TopBottom detection [MTD] [NAND] Fix compilation warnings in drivers/mtd/nand/cs553x_nand.c [JFFS2] Write buffer offset adjustment for NOR-ECC (Sibley) flash [MTD] mtdoops: Fix a bug where block may not be erased [MTD] mtdoops: Add a magic number to logged kernel oops [MTD] mtdoops: Fix an off by one error [JFFS2] Correct parameter names of jffs2_compress() in comments [MTD] [NAND] sh_flctl: add support for Renesas SuperH FLCTL [MTD] [NAND] Bug on atmel_nand HW ECC : OOB info not correctly written [MTD] [MAPS] Remove unused variable after ROM API cleanup. [MTD] m25p80.c extended jedec support (v2) [MTD] remove unused mtd parameter in of_mtd_parse_partitions() [MTD] [NAND] remove dead Kconfig associated with !CONFIG_PPC_MERGE [MTD] [NAND] driver extension to support NAND on TQM85xx modules ...
Diffstat (limited to 'include/linux/mtd')
-rw-r--r--include/linux/mtd/cfi.h9
-rw-r--r--include/linux/mtd/flashchip.h4
-rw-r--r--include/linux/mtd/mtd.h4
-rw-r--r--include/linux/mtd/nand-gpio.h19
-rw-r--r--include/linux/mtd/nand.h1
-rw-r--r--include/linux/mtd/onenand_regs.h2
-rw-r--r--include/linux/mtd/partitions.h1
-rw-r--r--include/linux/mtd/sh_flctl.h125
8 files changed, 162 insertions, 3 deletions
diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h
index d6fb115f5a07..ee5124ec319e 100644
--- a/include/linux/mtd/cfi.h
+++ b/include/linux/mtd/cfi.h
@@ -12,6 +12,7 @@
12#include <linux/mtd/flashchip.h> 12#include <linux/mtd/flashchip.h>
13#include <linux/mtd/map.h> 13#include <linux/mtd/map.h>
14#include <linux/mtd/cfi_endian.h> 14#include <linux/mtd/cfi_endian.h>
15#include <linux/mtd/xip.h>
15 16
16#ifdef CONFIG_MTD_CFI_I1 17#ifdef CONFIG_MTD_CFI_I1
17#define cfi_interleave(cfi) 1 18#define cfi_interleave(cfi) 1
@@ -430,7 +431,6 @@ static inline uint32_t cfi_send_gen_cmd(u_char cmd, uint32_t cmd_addr, uint32_t
430{ 431{
431 map_word val; 432 map_word val;
432 uint32_t addr = base + cfi_build_cmd_addr(cmd_addr, cfi_interleave(cfi), type); 433 uint32_t addr = base + cfi_build_cmd_addr(cmd_addr, cfi_interleave(cfi), type);
433
434 val = cfi_build_cmd(cmd, map, cfi); 434 val = cfi_build_cmd(cmd, map, cfi);
435 435
436 if (prev_val) 436 if (prev_val)
@@ -483,6 +483,13 @@ static inline void cfi_udelay(int us)
483 } 483 }
484} 484}
485 485
486int __xipram cfi_qry_present(struct map_info *map, __u32 base,
487 struct cfi_private *cfi);
488int __xipram cfi_qry_mode_on(uint32_t base, struct map_info *map,
489 struct cfi_private *cfi);
490void __xipram cfi_qry_mode_off(uint32_t base, struct map_info *map,
491 struct cfi_private *cfi);
492
486struct cfi_extquery *cfi_read_pri(struct map_info *map, uint16_t adr, uint16_t size, 493struct cfi_extquery *cfi_read_pri(struct map_info *map, uint16_t adr, uint16_t size,
487 const char* name); 494 const char* name);
488struct cfi_fixup { 495struct cfi_fixup {
diff --git a/include/linux/mtd/flashchip.h b/include/linux/mtd/flashchip.h
index 08dd131301c1..d4f38c5fd44e 100644
--- a/include/linux/mtd/flashchip.h
+++ b/include/linux/mtd/flashchip.h
@@ -73,6 +73,10 @@ struct flchip {
73 int buffer_write_time; 73 int buffer_write_time;
74 int erase_time; 74 int erase_time;
75 75
76 int word_write_time_max;
77 int buffer_write_time_max;
78 int erase_time_max;
79
76 void *priv; 80 void *priv;
77}; 81};
78 82
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index 922636548558..eae26bb6430a 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -25,8 +25,10 @@
25#define MTD_ERASE_DONE 0x08 25#define MTD_ERASE_DONE 0x08
26#define MTD_ERASE_FAILED 0x10 26#define MTD_ERASE_FAILED 0x10
27 27
28#define MTD_FAIL_ADDR_UNKNOWN 0xffffffff
29
28/* If the erase fails, fail_addr might indicate exactly which block failed. If 30/* If the erase fails, fail_addr might indicate exactly which block failed. If
29 fail_addr = 0xffffffff, the failure was not at the device level or was not 31 fail_addr = MTD_FAIL_ADDR_UNKNOWN, the failure was not at the device level or was not
30 specific to any particular block. */ 32 specific to any particular block. */
31struct erase_info { 33struct erase_info {
32 struct mtd_info *mtd; 34 struct mtd_info *mtd;
diff --git a/include/linux/mtd/nand-gpio.h b/include/linux/mtd/nand-gpio.h
new file mode 100644
index 000000000000..51534e50f7fc
--- /dev/null
+++ b/include/linux/mtd/nand-gpio.h
@@ -0,0 +1,19 @@
1#ifndef __LINUX_MTD_NAND_GPIO_H
2#define __LINUX_MTD_NAND_GPIO_H
3
4#include <linux/mtd/nand.h>
5
6struct gpio_nand_platdata {
7 int gpio_nce;
8 int gpio_nwp;
9 int gpio_cle;
10 int gpio_ale;
11 int gpio_rdy;
12 void (*adjust_parts)(struct gpio_nand_platdata *, size_t);
13 struct mtd_partition *parts;
14 unsigned int num_parts;
15 unsigned int options;
16 int chip_delay;
17};
18
19#endif
diff --git a/include/linux/mtd/nand.h b/include/linux/mtd/nand.h
index 81774e5facf4..733d3f3b4eb8 100644
--- a/include/linux/mtd/nand.h
+++ b/include/linux/mtd/nand.h
@@ -248,6 +248,7 @@ struct nand_hw_control {
248 * @read_page_raw: function to read a raw page without ECC 248 * @read_page_raw: function to read a raw page without ECC
249 * @write_page_raw: function to write a raw page without ECC 249 * @write_page_raw: function to write a raw page without ECC
250 * @read_page: function to read a page according to the ecc generator requirements 250 * @read_page: function to read a page according to the ecc generator requirements
251 * @read_subpage: function to read parts of the page covered by ECC.
251 * @write_page: function to write a page according to the ecc generator requirements 252 * @write_page: function to write a page according to the ecc generator requirements
252 * @read_oob: function to read chip OOB data 253 * @read_oob: function to read chip OOB data
253 * @write_oob: function to write chip OOB data 254 * @write_oob: function to write chip OOB data
diff --git a/include/linux/mtd/onenand_regs.h b/include/linux/mtd/onenand_regs.h
index d1b310c92eb4..0c6bbe28f38c 100644
--- a/include/linux/mtd/onenand_regs.h
+++ b/include/linux/mtd/onenand_regs.h
@@ -152,6 +152,8 @@
152#define ONENAND_SYS_CFG1_INT (1 << 6) 152#define ONENAND_SYS_CFG1_INT (1 << 6)
153#define ONENAND_SYS_CFG1_IOBE (1 << 5) 153#define ONENAND_SYS_CFG1_IOBE (1 << 5)
154#define ONENAND_SYS_CFG1_RDY_CONF (1 << 4) 154#define ONENAND_SYS_CFG1_RDY_CONF (1 << 4)
155#define ONENAND_SYS_CFG1_HF (1 << 2)
156#define ONENAND_SYS_CFG1_SYNC_WRITE (1 << 1)
155 157
156/* 158/*
157 * Controller Status Register F240h (R) 159 * Controller Status Register F240h (R)
diff --git a/include/linux/mtd/partitions.h b/include/linux/mtd/partitions.h
index 5014f7a9f5df..c92b4d439609 100644
--- a/include/linux/mtd/partitions.h
+++ b/include/linux/mtd/partitions.h
@@ -73,7 +73,6 @@ struct device;
73struct device_node; 73struct device_node;
74 74
75int __devinit of_mtd_parse_partitions(struct device *dev, 75int __devinit of_mtd_parse_partitions(struct device *dev,
76 struct mtd_info *mtd,
77 struct device_node *node, 76 struct device_node *node,
78 struct mtd_partition **pparts); 77 struct mtd_partition **pparts);
79 78
diff --git a/include/linux/mtd/sh_flctl.h b/include/linux/mtd/sh_flctl.h
new file mode 100644
index 000000000000..e77c1cea404d
--- /dev/null
+++ b/include/linux/mtd/sh_flctl.h
@@ -0,0 +1,125 @@
1/*
2 * SuperH FLCTL nand controller
3 *
4 * Copyright © 2008 Renesas Solutions Corp.
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; version 2 of the License.
9 *
10 * This program is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 * GNU General Public License for more details.
14 *
15 * You should have received a copy of the GNU General Public License
16 * along with this program; if not, write to the Free Software
17 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
18 */
19
20#ifndef __SH_FLCTL_H__
21#define __SH_FLCTL_H__
22
23#include <linux/mtd/mtd.h>
24#include <linux/mtd/nand.h>
25#include <linux/mtd/partitions.h>
26
27/* FLCTL registers */
28#define FLCMNCR(f) (f->reg + 0x0)
29#define FLCMDCR(f) (f->reg + 0x4)
30#define FLCMCDR(f) (f->reg + 0x8)
31#define FLADR(f) (f->reg + 0xC)
32#define FLADR2(f) (f->reg + 0x3C)
33#define FLDATAR(f) (f->reg + 0x10)
34#define FLDTCNTR(f) (f->reg + 0x14)
35#define FLINTDMACR(f) (f->reg + 0x18)
36#define FLBSYTMR(f) (f->reg + 0x1C)
37#define FLBSYCNT(f) (f->reg + 0x20)
38#define FLDTFIFO(f) (f->reg + 0x24)
39#define FLECFIFO(f) (f->reg + 0x28)
40#define FLTRCR(f) (f->reg + 0x2C)
41#define FL4ECCRESULT0(f) (f->reg + 0x80)
42#define FL4ECCRESULT1(f) (f->reg + 0x84)
43#define FL4ECCRESULT2(f) (f->reg + 0x88)
44#define FL4ECCRESULT3(f) (f->reg + 0x8C)
45#define FL4ECCCR(f) (f->reg + 0x90)
46#define FL4ECCCNT(f) (f->reg + 0x94)
47#define FLERRADR(f) (f->reg + 0x98)
48
49/* FLCMNCR control bits */
50#define ECCPOS2 (0x1 << 25)
51#define _4ECCCNTEN (0x1 << 24)
52#define _4ECCEN (0x1 << 23)
53#define _4ECCCORRECT (0x1 << 22)
54#define SNAND_E (0x1 << 18) /* SNAND (0=512 1=2048)*/
55#define QTSEL_E (0x1 << 17)
56#define ENDIAN (0x1 << 16) /* 1 = little endian */
57#define FCKSEL_E (0x1 << 15)
58#define ECCPOS_00 (0x00 << 12)
59#define ECCPOS_01 (0x01 << 12)
60#define ECCPOS_02 (0x02 << 12)
61#define ACM_SACCES_MODE (0x01 << 10)
62#define NANWF_E (0x1 << 9)
63#define SE_D (0x1 << 8) /* Spare area disable */
64#define CE1_ENABLE (0x1 << 4) /* Chip Enable 1 */
65#define CE0_ENABLE (0x1 << 3) /* Chip Enable 0 */
66#define TYPESEL_SET (0x1 << 0)
67
68/* FLCMDCR control bits */
69#define ADRCNT2_E (0x1 << 31) /* 5byte address enable */
70#define ADRMD_E (0x1 << 26) /* Sector address access */
71#define CDSRC_E (0x1 << 25) /* Data buffer selection */
72#define DOSR_E (0x1 << 24) /* Status read check */
73#define SELRW (0x1 << 21) /* 0:read 1:write */
74#define DOADR_E (0x1 << 20) /* Address stage execute */
75#define ADRCNT_1 (0x00 << 18) /* Address data bytes: 1byte */
76#define ADRCNT_2 (0x01 << 18) /* Address data bytes: 2byte */
77#define ADRCNT_3 (0x02 << 18) /* Address data bytes: 3byte */
78#define ADRCNT_4 (0x03 << 18) /* Address data bytes: 4byte */
79#define DOCMD2_E (0x1 << 17) /* 2nd cmd stage execute */
80#define DOCMD1_E (0x1 << 16) /* 1st cmd stage execute */
81
82/* FLTRCR control bits */
83#define TRSTRT (0x1 << 0) /* translation start */
84#define TREND (0x1 << 1) /* translation end */
85
86/* FL4ECCCR control bits */
87#define _4ECCFA (0x1 << 2) /* 4 symbols correct fault */
88#define _4ECCEND (0x1 << 1) /* 4 symbols end */
89#define _4ECCEXST (0x1 << 0) /* 4 symbols exist */
90
91#define INIT_FL4ECCRESULT_VAL 0x03FF03FF
92#define LOOP_TIMEOUT_MAX 0x00010000
93
94#define mtd_to_flctl(mtd) container_of(mtd, struct sh_flctl, mtd)
95
96struct sh_flctl {
97 struct mtd_info mtd;
98 struct nand_chip chip;
99 void __iomem *reg;
100
101 uint8_t done_buff[2048 + 64]; /* max size 2048 + 64 */
102 int read_bytes;
103 int index;
104 int seqin_column; /* column in SEQIN cmd */
105 int seqin_page_addr; /* page_addr in SEQIN cmd */
106 uint32_t seqin_read_cmd; /* read cmd in SEQIN cmd */
107 int erase1_page_addr; /* page_addr in ERASE1 cmd */
108 uint32_t erase_ADRCNT; /* bits of FLCMDCR in ERASE1 cmd */
109 uint32_t rw_ADRCNT; /* bits of FLCMDCR in READ WRITE cmd */
110
111 int hwecc_cant_correct[4];
112
113 unsigned page_size:1; /* NAND page size (0 = 512, 1 = 2048) */
114 unsigned hwecc:1; /* Hardware ECC (0 = disabled, 1 = enabled) */
115};
116
117struct sh_flctl_platform_data {
118 struct mtd_partition *parts;
119 int nr_parts;
120 unsigned long flcmncr_val;
121
122 unsigned has_hwecc:1;
123};
124
125#endif /* __SH_FLCTL_H__ */