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atheros: fix FIS directory parsing on Top Boot flash chips

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SVN-Revision: 20213
This commit is contained in:
Gabor Juhos 2010-03-14 18:20:04 +00:00
parent a4d823a9e3
commit 3b6b74ee37
4 changed files with 288 additions and 0 deletions
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72
target/linux/atheros/patches-2.6.30/141-redboot_various_erase_size_fix.patch Normal file
View file

@ -0,0 +1,72 @@
--- a/drivers/mtd/redboot.c
+++ b/drivers/mtd/redboot.c
@@ -39,6 +39,22 @@ static inline int redboot_checksum(struc
return 1;
}
+static uint32_t mtd_get_offset_erasesize(struct mtd_info *mtd, uint64_t offset)
+{
+ struct mtd_erase_region_info *regions = mtd->eraseregions;
+ int i;
+
+ for (i = 0; i < mtd->numeraseregions; i++) {
+ if (regions[i].offset +
+ regions[i].numblocks * regions[i].erasesize <= offset)
+ continue;
+
+ return regions[i].erasesize;
+ }
+
+ return mtd->erasesize;
+}
+
static int parse_redboot_partitions(struct mtd_info *master,
struct mtd_partition **pparts,
unsigned long fis_origin)
@@ -55,6 +71,7 @@ static int parse_redboot_partitions(stru
int namelen = 0;
int nulllen = 0;
int numslots;
+ int first_slot;
unsigned long offset;
#ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
static char nullstring[] = "unallocated";
@@ -168,7 +185,10 @@ static int parse_redboot_partitions(stru
goto out;
}
- for (i = 0; i < numslots; i++) {
+ first_slot = (buf[i].flash_base & (master->erasesize - 1)) /
+ sizeof(struct fis_image_desc);
+
+ for (i = first_slot; i < first_slot + numslots; i++) {
struct fis_list *new_fl, **prev;
if (buf[i].name[0] == 0xff) {
@@ -244,12 +264,13 @@ static int parse_redboot_partitions(stru
}
#endif
for ( ; i<nrparts; i++) {
- if(max_offset < buf[i].flash_base + buf[i].size)
- max_offset = buf[i].flash_base + buf[i].size;
parts[i].size = fl->img->size;
parts[i].offset = fl->img->flash_base;
parts[i].name = names;
+ if (max_offset < parts[i].offset + parts[i].size)
+ max_offset = parts[i].offset + parts[i].size;
+
strcpy(names, fl->img->name);
#ifdef CONFIG_MTD_REDBOOT_PARTS_READONLY
if (!memcmp(names, "RedBoot", 8) ||
@@ -279,7 +300,9 @@ static int parse_redboot_partitions(stru
fl = fl->next;
kfree(tmp_fl);
}
- if(master->size - max_offset >= master->erasesize)
+
+ if (master->size - max_offset >=
+ mtd_get_offset_erasesize(master, max_offset))
{
parts[nrparts].size = master->size - max_offset;
parts[nrparts].offset = max_offset;

72
target/linux/atheros/patches-2.6.31/141-redboot_various_erase_size_fix.patch Normal file
View file

@ -0,0 +1,72 @@
--- a/drivers/mtd/redboot.c
+++ b/drivers/mtd/redboot.c
@@ -39,6 +39,22 @@ static inline int redboot_checksum(struc
return 1;
}
+static uint32_t mtd_get_offset_erasesize(struct mtd_info *mtd, uint64_t offset)
+{
+ struct mtd_erase_region_info *regions = mtd->eraseregions;
+ int i;
+
+ for (i = 0; i < mtd->numeraseregions; i++) {
+ if (regions[i].offset +
+ regions[i].numblocks * regions[i].erasesize <= offset)
+ continue;
+
+ return regions[i].erasesize;
+ }
+
+ return mtd->erasesize;
+}
+
static int parse_redboot_partitions(struct mtd_info *master,
struct mtd_partition **pparts,
unsigned long fis_origin)
@@ -55,6 +71,7 @@ static int parse_redboot_partitions(stru
int namelen = 0;
int nulllen = 0;
int numslots;
+ int first_slot;
unsigned long offset;
#ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
static char nullstring[] = "unallocated";
@@ -168,7 +185,10 @@ static int parse_redboot_partitions(stru
goto out;
}
- for (i = 0; i < numslots; i++) {
+ first_slot = (buf[i].flash_base & (master->erasesize - 1)) /
+ sizeof(struct fis_image_desc);
+
+ for (i = first_slot; i < first_slot + numslots; i++) {
struct fis_list *new_fl, **prev;
if (buf[i].name[0] == 0xff) {
@@ -244,12 +264,13 @@ static int parse_redboot_partitions(stru
}
#endif
for ( ; i<nrparts; i++) {
- if(max_offset < buf[i].flash_base + buf[i].size)
- max_offset = buf[i].flash_base + buf[i].size;
parts[i].size = fl->img->size;
parts[i].offset = fl->img->flash_base;
parts[i].name = names;
+ if (max_offset < parts[i].offset + parts[i].size)
+ max_offset = parts[i].offset + parts[i].size;
+
strcpy(names, fl->img->name);
#ifdef CONFIG_MTD_REDBOOT_PARTS_READONLY
if (!memcmp(names, "RedBoot", 8) ||
@@ -279,7 +300,9 @@ static int parse_redboot_partitions(stru
fl = fl->next;
kfree(tmp_fl);
}
- if(master->size - max_offset >= master->erasesize)
+
+ if (master->size - max_offset >=
+ mtd_get_offset_erasesize(master, max_offset))
{
parts[nrparts].size = master->size - max_offset;
parts[nrparts].offset = max_offset;

72
target/linux/atheros/patches-2.6.32/141-redboot_various_erase_size_fix.patch Normal file
View file

@ -0,0 +1,72 @@
--- a/drivers/mtd/redboot.c
+++ b/drivers/mtd/redboot.c
@@ -39,6 +39,22 @@ static inline int redboot_checksum(struc
return 1;
}
+static uint32_t mtd_get_offset_erasesize(struct mtd_info *mtd, uint64_t offset)
+{
+ struct mtd_erase_region_info *regions = mtd->eraseregions;
+ int i;
+
+ for (i = 0; i < mtd->numeraseregions; i++) {
+ if (regions[i].offset +
+ regions[i].numblocks * regions[i].erasesize <= offset)
+ continue;
+
+ return regions[i].erasesize;
+ }
+
+ return mtd->erasesize;
+}
+
static int parse_redboot_partitions(struct mtd_info *master,
struct mtd_partition **pparts,
unsigned long fis_origin)
@@ -55,6 +71,7 @@ static int parse_redboot_partitions(stru
int namelen = 0;
int nulllen = 0;
int numslots;
+ int first_slot;
unsigned long offset;
#ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
static char nullstring[] = "unallocated";
@@ -168,7 +185,10 @@ static int parse_redboot_partitions(stru
goto out;
}
- for (i = 0; i < numslots; i++) {
+ first_slot = (buf[i].flash_base & (master->erasesize - 1)) /
+ sizeof(struct fis_image_desc);
+
+ for (i = first_slot; i < first_slot + numslots; i++) {
struct fis_list *new_fl, **prev;
if (buf[i].name[0] == 0xff) {
@@ -244,12 +264,13 @@ static int parse_redboot_partitions(stru
}
#endif
for ( ; i<nrparts; i++) {
- if(max_offset < buf[i].flash_base + buf[i].size)
- max_offset = buf[i].flash_base + buf[i].size;
parts[i].size = fl->img->size;
parts[i].offset = fl->img->flash_base;
parts[i].name = names;
+ if (max_offset < parts[i].offset + parts[i].size)
+ max_offset = parts[i].offset + parts[i].size;
+
strcpy(names, fl->img->name);
#ifdef CONFIG_MTD_REDBOOT_PARTS_READONLY
if (!memcmp(names, "RedBoot", 8) ||
@@ -279,7 +300,9 @@ static int parse_redboot_partitions(stru
fl = fl->next;
kfree(tmp_fl);
}
- if(master->size - max_offset >= master->erasesize)
+
+ if (master->size - max_offset >=
+ mtd_get_offset_erasesize(master, max_offset))
{
parts[nrparts].size = master->size - max_offset;
parts[nrparts].offset = max_offset;

72
target/linux/atheros/patches-2.6.33/141-redboot_various_erase_size_fix.patch Normal file
View file

@ -0,0 +1,72 @@
--- a/drivers/mtd/redboot.c
+++ b/drivers/mtd/redboot.c
@@ -39,6 +39,22 @@ static inline int redboot_checksum(struc
return 1;
}
+static uint32_t mtd_get_offset_erasesize(struct mtd_info *mtd, uint64_t offset)
+{
+ struct mtd_erase_region_info *regions = mtd->eraseregions;
+ int i;
+
+ for (i = 0; i < mtd->numeraseregions; i++) {
+ if (regions[i].offset +
+ regions[i].numblocks * regions[i].erasesize <= offset)
+ continue;
+
+ return regions[i].erasesize;
+ }
+
+ return mtd->erasesize;
+}
+
static int parse_redboot_partitions(struct mtd_info *master,
struct mtd_partition **pparts,
unsigned long fis_origin)
@@ -55,6 +71,7 @@ static int parse_redboot_partitions(stru
int namelen = 0;
int nulllen = 0;
int numslots;
+ int first_slot;
unsigned long offset;
#ifdef CONFIG_MTD_REDBOOT_PARTS_UNALLOCATED
static char nullstring[] = "unallocated";
@@ -168,7 +185,10 @@ static int parse_redboot_partitions(stru
goto out;
}
- for (i = 0; i < numslots; i++) {
+ first_slot = (buf[i].flash_base & (master->erasesize - 1)) /
+ sizeof(struct fis_image_desc);
+
+ for (i = first_slot; i < first_slot + numslots; i++) {
struct fis_list *new_fl, **prev;
if (buf[i].name[0] == 0xff) {
@@ -244,12 +264,13 @@ static int parse_redboot_partitions(stru
}
#endif
for ( ; i<nrparts; i++) {
- if(max_offset < buf[i].flash_base + buf[i].size)
- max_offset = buf[i].flash_base + buf[i].size;
parts[i].size = fl->img->size;
parts[i].offset = fl->img->flash_base;
parts[i].name = names;
+ if (max_offset < parts[i].offset + parts[i].size)
+ max_offset = parts[i].offset + parts[i].size;
+
strcpy(names, fl->img->name);
#ifdef CONFIG_MTD_REDBOOT_PARTS_READONLY
if (!memcmp(names, "RedBoot", 8) ||
@@ -279,7 +300,9 @@ static int parse_redboot_partitions(stru
fl = fl->next;
kfree(tmp_fl);
}
- if(master->size - max_offset >= master->erasesize)
+
+ if (master->size - max_offset >=
+ mtd_get_offset_erasesize(master, max_offset))
{
parts[nrparts].size = master->size - max_offset;
parts[nrparts].offset = max_offset;