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Merge git://git.infradead.org/mtd-2.6

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* git://git.infradead.org/mtd-2.6: (63 commits)
  mtd: OneNAND: Allow setting of boundary information when built as module
  jffs2: leaking jffs2_summary in function jffs2_scan_medium
  mtd: nand: Fix memory leak on txx9ndfmc probe failure.
  mtd: orion_nand: use burst reads with double word accesses
  mtd/nand: s3c6400 support for s3c2410 driver
  [MTD] [NAND] S3C2410: Use DIV_ROUND_UP
  [MTD] [NAND] S3C2410: Deal with unaligned lengths in S3C2440 buffer read/write
  [MTD] [NAND] S3C2410: Allow the machine code to get the BBT table from NAND
  [MTD] [NAND] S3C2410: Added a kerneldoc for s3c2410_nand_set
  mtd: physmap_of: Add multiple regions and concatenation support
  mtd: nand: max_retries off by one in mxc_nand
  mtd: nand: s3c2410_nand_setrate(): use correct macros for 2412/2440
  mtd: onenand: add bbt_wait & unlock_all as replaceable for some platform
  mtd: Flex-OneNAND support
  mtd: nand: add OMAP2/OMAP3 NAND driver
  mtd: maps: Blackfin async: fix memory leaks in probe/remove funcs
  mtd: uclinux: mark local stuff static
  mtd: uclinux: do not allow to be built as a module
  mtd: uclinux: allow systems to override map addr/size
  mtd: blackfin NFC: fix hang when using NAND on BF527-EZKITs
  ...
This commit is contained in:
Linus Torvalds
2009-06-22 16:56:22 -07:00
parent 9e268beb92 c90173f090
commit ac1b7c378e
49 changed files with 3139 additions and 833 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/mtd/onenand/omap2.c
+2 -2
View File
@@ -565,7 +565,7 @@ int omap2_onenand_rephase(void)
NULL, __adjust_timing);
}
static void __devexit omap2_onenand_shutdown(struct platform_device *pdev)
static void omap2_onenand_shutdown(struct platform_device *pdev)
{
struct omap2_onenand *c = dev_get_drvdata(&pdev->dev);
@@ -777,7 +777,7 @@ static int __devexit omap2_onenand_remove(struct platform_device *pdev)
static struct platform_driver omap2_onenand_driver = {
.probe = omap2_onenand_probe,
.remove = omap2_onenand_remove,
.remove = __devexit_p(omap2_onenand_remove),
.shutdown = omap2_onenand_shutdown,
.driver = {
.name = DRIVER_NAME,
drivers/mtd/onenand/onenand_base.c
+789 -81
View File
File diff suppressed because it is too large Load Diff
drivers/mtd/onenand/onenand_bbt.c
+10 -4
View File
@@ -63,6 +63,7 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
loff_t from;
size_t readlen, ooblen;
struct mtd_oob_ops ops;
int rgn;
printk(KERN_INFO "Scanning device for bad blocks\n");
@@ -76,7 +77,7 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
/* Note that numblocks is 2 * (real numblocks) here;
* see i += 2 below as it makses shifting and masking less painful
*/
numblocks = mtd->size >> (bbm->bbt_erase_shift - 1);
numblocks = this->chipsize >> (bbm->bbt_erase_shift - 1);
startblock = 0;
from = 0;
@@ -106,7 +107,12 @@ static int create_bbt(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_descr
}
}
i += 2;
from += (1 << bbm->bbt_erase_shift);
if (FLEXONENAND(this)) {
rgn = flexonenand_region(mtd, from);
from += mtd->eraseregions[rgn].erasesize;
} else
from += (1 << bbm->bbt_erase_shift);
}
return 0;
@@ -143,7 +149,7 @@ static int onenand_isbad_bbt(struct mtd_info *mtd, loff_t offs, int allowbbt)
uint8_t res;
/* Get block number * 2 */
block = (int) (offs >> (bbm->bbt_erase_shift - 1));
block = (int) (onenand_block(this, offs) << 1);
res = (bbm->bbt[block >> 3] >> (block & 0x06)) & 0x03;
DEBUG(MTD_DEBUG_LEVEL2, "onenand_isbad_bbt: bbt info for offs 0x%08x: (block %d) 0x%02x\n",
@@ -178,7 +184,7 @@ int onenand_scan_bbt(struct mtd_info *mtd, struct nand_bbt_descr *bd)
struct bbm_info *bbm = this->bbm;
int len, ret = 0;
len = mtd->size >> (this->erase_shift + 2);
len = this->chipsize >> (this->erase_shift + 2);
/* Allocate memory (2bit per block) and clear the memory bad block table */
bbm->bbt = kzalloc(len, GFP_KERNEL);
if (!bbm->bbt) {
drivers/mtd/onenand/onenand_sim.c
+74 -7
View File
@@ -6,6 +6,10 @@
* Copyright © 2005-2007 Samsung Electronics
* Kyungmin Park <kyungmin.park@samsung.com>
*
* Vishak G <vishak.g at samsung.com>, Rohit Hagargundgi <h.rohit at samsung.com>
* Flex-OneNAND simulator support
* Copyright (C) Samsung Electronics, 2008
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
@@ -24,16 +28,38 @@
#ifndef CONFIG_ONENAND_SIM_MANUFACTURER
#define CONFIG_ONENAND_SIM_MANUFACTURER 0xec
#endif
#ifndef CONFIG_ONENAND_SIM_DEVICE_ID
#define CONFIG_ONENAND_SIM_DEVICE_ID 0x04
#endif
#define CONFIG_FLEXONENAND ((CONFIG_ONENAND_SIM_DEVICE_ID >> 9) & 1)
#ifndef CONFIG_ONENAND_SIM_VERSION_ID
#define CONFIG_ONENAND_SIM_VERSION_ID 0x1e
#endif
#ifndef CONFIG_ONENAND_SIM_TECHNOLOGY_ID
#define CONFIG_ONENAND_SIM_TECHNOLOGY_ID CONFIG_FLEXONENAND
#endif
/* Initial boundary values for Flex-OneNAND Simulator */
#ifndef CONFIG_FLEXONENAND_SIM_DIE0_BOUNDARY
#define CONFIG_FLEXONENAND_SIM_DIE0_BOUNDARY 0x01
#endif
#ifndef CONFIG_FLEXONENAND_SIM_DIE1_BOUNDARY
#define CONFIG_FLEXONENAND_SIM_DIE1_BOUNDARY 0x01
#endif
static int manuf_id = CONFIG_ONENAND_SIM_MANUFACTURER;
static int device_id = CONFIG_ONENAND_SIM_DEVICE_ID;
static int version_id = CONFIG_ONENAND_SIM_VERSION_ID;
static int technology_id = CONFIG_ONENAND_SIM_TECHNOLOGY_ID;
static int boundary[] = {
CONFIG_FLEXONENAND_SIM_DIE0_BOUNDARY,
CONFIG_FLEXONENAND_SIM_DIE1_BOUNDARY,
};
struct onenand_flash {
void __iomem *base;
@@ -57,12 +83,18 @@ struct onenand_flash {
(writew(v, this->base + ONENAND_REG_WP_STATUS))
/* It has all 0xff chars */
#define MAX_ONENAND_PAGESIZE (2048 + 64)
#define MAX_ONENAND_PAGESIZE (4096 + 128)
static unsigned char *ffchars;
#if CONFIG_FLEXONENAND
#define PARTITION_NAME "Flex-OneNAND simulator partition"
#else
#define PARTITION_NAME "OneNAND simulator partition"
#endif
static struct mtd_partition os_partitions[] = {
{
.name = "OneNAND simulator partition",
.name = PARTITION_NAME,
.offset = 0,
.size = MTDPART_SIZ_FULL,
},
@@ -104,6 +136,7 @@ static void onenand_lock_handle(struct onenand_chip *this, int cmd)
switch (cmd) {
case ONENAND_CMD_UNLOCK:
case ONENAND_CMD_UNLOCK_ALL:
if (block_lock_scheme)
ONENAND_SET_WP_STATUS(ONENAND_WP_US, this);
else
@@ -228,10 +261,12 @@ static void onenand_data_handle(struct onenand_chip *this, int cmd,
{
struct mtd_info *mtd = &info->mtd;
struct onenand_flash *flash = this->priv;
int main_offset, spare_offset;
int main_offset, spare_offset, die = 0;
void __iomem *src;
void __iomem *dest;
unsigned int i;
static int pi_operation;
int erasesize, rgn;
if (dataram) {
main_offset = mtd->writesize;
@@ -241,10 +276,27 @@ static void onenand_data_handle(struct onenand_chip *this, int cmd,
spare_offset = 0;
}
if (pi_operation) {
die = readw(this->base + ONENAND_REG_START_ADDRESS2);
die >>= ONENAND_DDP_SHIFT;
}
switch (cmd) {
case FLEXONENAND_CMD_PI_ACCESS:
pi_operation = 1;
break;
case ONENAND_CMD_RESET:
pi_operation = 0;
break;
case ONENAND_CMD_READ:
src = ONENAND_CORE(flash) + offset;
dest = ONENAND_MAIN_AREA(this, main_offset);
if (pi_operation) {
writew(boundary[die], this->base + ONENAND_DATARAM);
break;
}
memcpy(dest, src, mtd->writesize);
/* Fall through */
@@ -257,6 +309,10 @@ static void onenand_data_handle(struct onenand_chip *this, int cmd,
case ONENAND_CMD_PROG:
src = ONENAND_MAIN_AREA(this, main_offset);
dest = ONENAND_CORE(flash) + offset;
if (pi_operation) {
boundary[die] = readw(this->base + ONENAND_DATARAM);
break;
}
/* To handle partial write */
for (i = 0; i < (1 << mtd->subpage_sft); i++) {
int off = i * this->subpagesize;
@@ -284,9 +340,18 @@ static void onenand_data_handle(struct onenand_chip *this, int cmd,
break;
case ONENAND_CMD_ERASE:
memset(ONENAND_CORE(flash) + offset, 0xff, mtd->erasesize);
if (pi_operation)
break;
if (FLEXONENAND(this)) {
rgn = flexonenand_region(mtd, offset);
erasesize = mtd->eraseregions[rgn].erasesize;
} else
erasesize = mtd->erasesize;
memset(ONENAND_CORE(flash) + offset, 0xff, erasesize);
memset(ONENAND_CORE_SPARE(flash, this, offset), 0xff,
(mtd->erasesize >> 5));
(erasesize >> 5));
break;
default:
@@ -339,7 +404,7 @@ static void onenand_command_handle(struct onenand_chip *this, int cmd)
}
if (block != -1)
offset += block << this->erase_shift;
offset = onenand_addr(this, block);
if (page != -1)
offset += page << this->page_shift;
@@ -390,6 +455,7 @@ static int __init flash_init(struct onenand_flash *flash)
}
density = device_id >> ONENAND_DEVICE_DENSITY_SHIFT;
density &= ONENAND_DEVICE_DENSITY_MASK;
size = ((16 << 20) << density);
ONENAND_CORE(flash) = vmalloc(size + (size >> 5));
@@ -405,8 +471,9 @@ static int __init flash_init(struct onenand_flash *flash)
writew(manuf_id, flash->base + ONENAND_REG_MANUFACTURER_ID);
writew(device_id, flash->base + ONENAND_REG_DEVICE_ID);
writew(version_id, flash->base + ONENAND_REG_VERSION_ID);
writew(technology_id, flash->base + ONENAND_REG_TECHNOLOGY);
if (density < 2)
if (density < 2 && (!CONFIG_FLEXONENAND))
buffer_size = 0x0400; /* 1KiB page */
else
buffer_size = 0x0800; /* 2KiB page */