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-rw-r--r--drivers/mtd/chips/cfi_cmdset_0001.c88
-rw-r--r--drivers/mtd/chips/gen_probe.c3
-rw-r--r--include/linux/mtd/cfi.h13
-rw-r--r--include/linux/mtd/mtd.h14
-rw-r--r--include/mtd/mtd-abi.h3
5 files changed, 92 insertions, 29 deletions
diff --git a/drivers/mtd/chips/cfi_cmdset_0001.c b/drivers/mtd/chips/cfi_cmdset_0001.c
index 308855e..10c5060 100644
--- a/drivers/mtd/chips/cfi_cmdset_0001.c
+++ b/drivers/mtd/chips/cfi_cmdset_0001.c
@@ -4,7 +4,7 @@
*
* (C) 2000 Red Hat. GPL'd
*
- * $Id: cfi_cmdset_0001.c,v 1.181 2005/08/06 04:16:48 nico Exp $
+ * $Id: cfi_cmdset_0001.c,v 1.182 2005/08/06 04:40:41 nico Exp $
*
*
* 10/10/2000 Nicolas Pitre <nico@cam.org>
@@ -105,6 +105,7 @@ static struct mtd_chip_driver cfi_intelext_chipdrv = {
static void cfi_tell_features(struct cfi_pri_intelext *extp)
{
int i;
+ printk(" Extended Query version %c.%c\n", extp->MajorVersion, extp->MinorVersion);
printk(" Feature/Command Support: %4.4X\n", extp->FeatureSupport);
printk(" - Chip Erase: %s\n", extp->FeatureSupport&1?"supported":"unsupported");
printk(" - Suspend Erase: %s\n", extp->FeatureSupport&2?"supported":"unsupported");
@@ -116,7 +117,8 @@ static void cfi_tell_features(struct cfi_pri_intelext *extp)
printk(" - Page-mode read: %s\n", extp->FeatureSupport&128?"supported":"unsupported");
printk(" - Synchronous read: %s\n", extp->FeatureSupport&256?"supported":"unsupported");
printk(" - Simultaneous operations: %s\n", extp->FeatureSupport&512?"supported":"unsupported");
- for (i=10; i<32; i++) {
+ printk(" - Extended Flash Array: %s\n", extp->FeatureSupport&1024?"supported":"unsupported");
+ for (i=11; i<32; i++) {
if (extp->FeatureSupport & (1<<i))
printk(" - Unknown Bit %X: supported\n", i);
}
@@ -130,12 +132,18 @@ static void cfi_tell_features(struct cfi_pri_intelext *extp)
printk(" Block Status Register Mask: %4.4X\n", extp->BlkStatusRegMask);
printk(" - Lock Bit Active: %s\n", extp->BlkStatusRegMask&1?"yes":"no");
- printk(" - Valid Bit Active: %s\n", extp->BlkStatusRegMask&2?"yes":"no");
- for (i=2; i<16; i++) {
+ printk(" - Lock-Down Bit Active: %s\n", extp->BlkStatusRegMask&2?"yes":"no");
+ for (i=2; i<3; i++) {
if (extp->BlkStatusRegMask & (1<<i))
printk(" - Unknown Bit %X Active: yes\n",i);
}
-
+ printk(" - EFA Lock Bit: %s\n", extp->BlkStatusRegMask&16?"yes":"no");
+ printk(" - EFA Lock-Down Bit: %s\n", extp->BlkStatusRegMask&32?"yes":"no");
+ for (i=6; i<16; i++) {
+ if (extp->BlkStatusRegMask & (1<<i))
+ printk(" - Unknown Bit %X Active: yes\n",i);
+ }
+
printk(" Vcc Logic Supply Optimum Program/Erase Voltage: %d.%d V\n",
extp->VccOptimal >> 4, extp->VccOptimal & 0xf);
if (extp->VppOptimal)
@@ -253,7 +261,7 @@ read_pri_intelext(struct map_info *map, __u16 adr)
return NULL;
if (extp->MajorVersion != '1' ||
- (extp->MinorVersion < '0' || extp->MinorVersion > '3')) {
+ (extp->MinorVersion < '0' || extp->MinorVersion > '4')) {
printk(KERN_ERR " Unknown Intel/Sharp Extended Query "
"version %c.%c.\n", extp->MajorVersion,
extp->MinorVersion);
@@ -266,7 +274,7 @@ read_pri_intelext(struct map_info *map, __u16 adr)
extp->BlkStatusRegMask = le16_to_cpu(extp->BlkStatusRegMask);
extp->ProtRegAddr = le16_to_cpu(extp->ProtRegAddr);
- if (extp->MajorVersion == '1' && extp->MinorVersion == '3') {
+ if (extp->MajorVersion == '1' && extp->MinorVersion >= '3') {
unsigned int extra_size = 0;
int nb_parts, i;
@@ -275,7 +283,7 @@ read_pri_intelext(struct map_info *map, __u16 adr)
sizeof(struct cfi_intelext_otpinfo);
/* Burst Read info */
- extra_size += 6;
+ extra_size += (extp->MinorVersion < '4') ? 6 : 5;
/* Number of hardware-partitions */
extra_size += 1;
@@ -283,6 +291,10 @@ read_pri_intelext(struct map_info *map, __u16 adr)
goto need_more;
nb_parts = extp->extra[extra_size - 1];
+ /* skip the sizeof(partregion) field in CFI 1.4 */
+ if (extp->MinorVersion >= '4')
+ extra_size += 2;
+
for (i = 0; i < nb_parts; i++) {
struct cfi_intelext_regioninfo *rinfo;
rinfo = (struct cfi_intelext_regioninfo *)&extp->extra[extra_size];
@@ -294,6 +306,9 @@ read_pri_intelext(struct map_info *map, __u16 adr)
* sizeof(struct cfi_intelext_blockinfo);
}
+ if (extp->MinorVersion >= '4')
+ extra_size += sizeof(struct cfi_intelext_programming_regioninfo);
+
if (extp_size < sizeof(*extp) + extra_size) {
need_more:
extp_size = sizeof(*extp) + extra_size;
@@ -490,7 +505,7 @@ static int cfi_intelext_partition_fixup(struct mtd_info *mtd,
* arrangement at this point. This can be rearranged in the future
* if someone feels motivated enough. --nico
*/
- if (extp && extp->MajorVersion == '1' && extp->MinorVersion == '3'
+ if (extp && extp->MajorVersion == '1' && extp->MinorVersion >= '3'
&& extp->FeatureSupport & (1 << 9)) {
struct cfi_private *newcfi;
struct flchip *chip;
@@ -502,12 +517,16 @@ static int cfi_intelext_partition_fixup(struct mtd_info *mtd,
sizeof(struct cfi_intelext_otpinfo);
/* Burst Read info */
- offs += 6;
+ offs += (extp->MinorVersion < '4') ? 6 : 5;
/* Number of partition regions */
numregions = extp->extra[offs];
offs += 1;
+ /* skip the sizeof(partregion) field in CFI 1.4 */
+ if (extp->MinorVersion >= '4')
+ offs += 2;
+
/* Number of hardware partitions */
numparts = 0;
for (i = 0; i < numregions; i++) {
@@ -519,6 +538,20 @@ static int cfi_intelext_partition_fixup(struct mtd_info *mtd,
sizeof(struct cfi_intelext_blockinfo);
}
+ /* Programming Region info */
+ if (extp->MinorVersion >= '4') {
+ struct cfi_intelext_programming_regioninfo *prinfo;
+ prinfo = (struct cfi_intelext_programming_regioninfo *)&extp->extra[offs];
+ MTD_PROGREGION_SIZE(mtd) = cfi->interleave << prinfo->ProgRegShift;
+ MTD_PROGREGION_CTRLMODE_VALID(mtd) = cfi->interleave * prinfo->ControlValid;
+ MTD_PROGREGION_CTRLMODE_INVALID(mtd) = cfi->interleave * prinfo->ControlInvalid;
+ mtd->flags |= MTD_PROGRAM_REGIONS;
+ printk(KERN_DEBUG "%s: program region size/ctrl_valid/ctrl_inval = %d/%d/%d\n",
+ map->name, MTD_PROGREGION_SIZE(mtd),
+ MTD_PROGREGION_CTRLMODE_VALID(mtd),
+ MTD_PROGREGION_CTRLMODE_INVALID(mtd));
+ }
+
/*
* All functions below currently rely on all chips having
* the same geometry so we'll just assume that all hardware
@@ -1222,12 +1255,17 @@ static int __xipram do_write_oneword(struct map_info *map, struct flchip *chip,
adr += chip->start;
- /* Let's determine this according to the interleave only once */
+ /* Let's determine those according to the interleave only once */
status_OK = CMD(0x80);
switch (mode) {
- case FL_WRITING: write_cmd = CMD(0x40); break;
- case FL_OTP_WRITE: write_cmd = CMD(0xc0); break;
- default: return -EINVAL;
+ case FL_WRITING:
+ write_cmd = (cfi->cfiq->P_ID != 0x0200) ? CMD(0x40) : CMD(0x41);
+ break;
+ case FL_OTP_WRITE:
+ write_cmd = CMD(0xc0);
+ break;
+ default:
+ return -EINVAL;
}
spin_lock(chip->mutex);
@@ -1410,16 +1448,17 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
unsigned long adr, const u_char *buf, int len)
{
struct cfi_private *cfi = map->fldrv_priv;
- map_word status, status_OK;
+ map_word status, status_OK, write_cmd;
unsigned long cmd_adr, timeo;
int wbufsize, z, ret=0, bytes, words;
wbufsize = cfi_interleave(cfi) << cfi->cfiq->MaxBufWriteSize;
adr += chip->start;
cmd_adr = adr & ~(wbufsize-1);
-
+
/* Let's determine this according to the interleave only once */
status_OK = CMD(0x80);
+ write_cmd = (cfi->cfiq->P_ID != 0x0200) ? CMD(0xe8) : CMD(0xe9);
spin_lock(chip->mutex);
ret = get_chip(map, chip, cmd_adr, FL_WRITING);
@@ -1451,7 +1490,7 @@ static int __xipram do_write_buffer(struct map_info *map, struct flchip *chip,
z = 0;
for (;;) {
- map_write(map, CMD(0xe8), cmd_adr);
+ map_write(map, write_cmd, cmd_adr);
status = map_read(map, cmd_adr);
if (map_word_andequal(map, status, status_OK, status_OK))
@@ -2380,20 +2419,23 @@ static void cfi_intelext_destroy(struct mtd_info *mtd)
kfree(mtd->eraseregions);
}
-static char im_name_1[]="cfi_cmdset_0001";
-static char im_name_3[]="cfi_cmdset_0003";
+static char im_name_0001[] = "cfi_cmdset_0001";
+static char im_name_0003[] = "cfi_cmdset_0003";
+static char im_name_0200[] = "cfi_cmdset_0200";
static int __init cfi_intelext_init(void)
{
- inter_module_register(im_name_1, THIS_MODULE, &cfi_cmdset_0001);
- inter_module_register(im_name_3, THIS_MODULE, &cfi_cmdset_0001);
+ inter_module_register(im_name_0001, THIS_MODULE, &cfi_cmdset_0001);
+ inter_module_register(im_name_0003, THIS_MODULE, &cfi_cmdset_0001);
+ inter_module_register(im_name_0200, THIS_MODULE, &cfi_cmdset_0001);
return 0;
}
static void __exit cfi_intelext_exit(void)
{
- inter_module_unregister(im_name_1);
- inter_module_unregister(im_name_3);
+ inter_module_unregister(im_name_0001);
+ inter_module_unregister(im_name_0003);
+ inter_module_unregister(im_name_0200);
}
module_init(cfi_intelext_init);
diff --git a/drivers/mtd/chips/gen_probe.c b/drivers/mtd/chips/gen_probe.c
index dc065b2..28807eb 100644
--- a/drivers/mtd/chips/gen_probe.c
+++ b/drivers/mtd/chips/gen_probe.c
@@ -2,7 +2,7 @@
* Routines common to all CFI-type probes.
* (C) 2001-2003 Red Hat, Inc.
* GPL'd
- * $Id: gen_probe.c,v 1.22 2005/01/24 23:49:50 rmk Exp $
+ * $Id: gen_probe.c,v 1.23 2005/08/06 04:40:41 nico Exp $
*/
#include <linux/kernel.h>
@@ -235,6 +235,7 @@ static struct mtd_info *check_cmd_set(struct map_info *map, int primary)
#ifdef CONFIG_MTD_CFI_INTELEXT
case 0x0001:
case 0x0003:
+ case 0x0200:
return cfi_cmdset_0001(map, primary);
#endif
#ifdef CONFIG_MTD_CFI_AMDSTD
diff --git a/include/linux/mtd/cfi.h b/include/linux/mtd/cfi.h
index e6b6a1c..360cf62 100644
--- a/include/linux/mtd/cfi.h
+++ b/include/linux/mtd/cfi.h
@@ -1,7 +1,7 @@
/* Common Flash Interface structures
* See http://support.intel.com/design/flash/technote/index.htm
- * $Id: cfi.h,v 1.54 2005/06/06 23:04:36 tpoynor Exp $
+ * $Id: cfi.h,v 1.55 2005/08/06 04:40:42 nico Exp $
*/
#ifndef __MTD_CFI_H__
@@ -173,6 +173,15 @@ struct cfi_intelext_regioninfo {
struct cfi_intelext_blockinfo BlockTypes[1];
} __attribute__((packed));
+struct cfi_intelext_programming_regioninfo {
+ uint8_t ProgRegShift;
+ uint8_t Reserved1;
+ uint8_t ControlValid;
+ uint8_t Reserved2;
+ uint8_t ControlInvalid;
+ uint8_t Reserved3;
+} __attribute__((packed));
+
/* Vendor-Specific PRI for AMD/Fujitsu Extended Command Set (0x0002) */
struct cfi_pri_amdstd {
@@ -316,7 +325,7 @@ static inline map_word cfi_build_cmd(u_long cmd, struct map_info *map, struct cf
#define CMD(x) cfi_build_cmd((x), map, cfi)
-static inline unsigned char cfi_merge_status(map_word val, struct map_info *map,
+static inline unsigned long cfi_merge_status(map_word val, struct map_info *map,
struct cfi_private *cfi)
{
int wordwidth, words_per_bus, chip_mode, chips_per_word;
diff --git a/include/linux/mtd/mtd.h b/include/linux/mtd/mtd.h
index c50c3f3..ab58041 100644
--- a/include/linux/mtd/mtd.h
+++ b/include/linux/mtd/mtd.h
@@ -1,5 +1,5 @@
/*
- * $Id: mtd.h,v 1.59 2005/04/11 10:19:02 gleixner Exp $
+ * $Id: mtd.h,v 1.60 2005/08/06 04:40:42 nico Exp $
*
* Copyright (C) 1999-2003 David Woodhouse <dwmw2@infradead.org> et al.
*
@@ -72,7 +72,17 @@ struct mtd_info {
u_int32_t oobsize; // Amount of OOB data per block (e.g. 16)
u_int32_t ecctype;
u_int32_t eccsize;
-
+
+ /*
+ * Reuse some of the above unused fields in the case of NOR flash
+ * with configurable programming regions to avoid modifying the
+ * user visible structure layout/size. Only valid when the
+ * MTD_PROGRAM_REGIONS flag is set.
+ * (Maybe we should have an union for those?)
+ */
+#define MTD_PROGREGION_SIZE(mtd) (mtd)->oobblock
+#define MTD_PROGREGION_CTRLMODE_VALID(mtd) (mtd)->oobsize
+#define MTD_PROGREGION_CTRLMODE_INVALID(mtd) (mtd)->ecctype
// Kernel-only stuff starts here.
char *name;
diff --git a/include/mtd/mtd-abi.h b/include/mtd/mtd-abi.h
index 428d912..16e74ca 100644
--- a/include/mtd/mtd-abi.h
+++ b/include/mtd/mtd-abi.h
@@ -1,5 +1,5 @@
/*
- * $Id: mtd-abi.h,v 1.11 2005/05/19 16:08:58 gleixner Exp $
+ * $Id: mtd-abi.h,v 1.12 2005/08/06 04:40:43 nico Exp $
*
* Portions of MTD ABI definition which are shared by kernel and user space
*/
@@ -42,6 +42,7 @@ struct mtd_oob_buf {
#define MTD_OOB 64 // Out-of-band data (NAND flash)
#define MTD_ECC 128 // Device capable of automatic ECC
#define MTD_NO_VIRTBLOCKS 256 // Virtual blocks not allowed
+#define MTD_PROGRAM_REGIONS 512 // Configurable Programming Regions
// Some common devices / combinations of capabilities
#define MTD_CAP_ROM 0
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