#include <jffs2/jffs2.h>
#include <nand.h>
-static char *response_str;
-
struct fb_nand_sparse {
struct mtd_info *mtd;
struct part_info *part;
return 0;
}
-static int fb_nand_lookup(const char *partname, char *response,
+static int fb_nand_lookup(const char *partname,
struct mtd_info **mtd,
struct part_info **part)
{
ret = mtdparts_init();
if (ret) {
error("Cannot initialize MTD partitions\n");
- fastboot_fail(response_str, "cannot init mtdparts");
+ fastboot_fail("cannot init mtdparts");
return ret;
}
ret = find_dev_and_part(partname, &dev, &pnum, part);
if (ret) {
error("cannot find partition: '%s'", partname);
- fastboot_fail(response_str, "cannot find partition");
+ fastboot_fail("cannot find partition");
return ret;
}
if (dev->id->type != MTD_DEV_TYPE_NAND) {
error("partition '%s' is not stored on a NAND device",
partname);
- fastboot_fail(response_str, "not a NAND device");
+ fastboot_fail("not a NAND device");
return -EINVAL;
}
return written / info->blksz;
}
+static lbaint_t fb_nand_sparse_reserve(struct sparse_storage *info,
+ lbaint_t blk, lbaint_t blkcnt)
+{
+ int bad_blocks = 0;
+
+/*
+ * TODO - implement a function to determine the total number
+ * of blocks which must be used in order to reserve the specified
+ * number ("blkcnt") of "good-blocks", starting at "blk"...
+ * ( possibly something like the "check_skip_len()" function )
+ */
+
+ /*
+ * the return value must be 'blkcnt' ("good-blocks") plus the
+ * number of "bad-blocks" encountered within this space...
+ */
+ return blkcnt + bad_blocks;
+}
+
void fb_nand_flash_write(const char *cmd, void *download_buffer,
- unsigned int download_bytes, char *response)
+ unsigned int download_bytes)
{
struct part_info *part;
struct mtd_info *mtd = NULL;
int ret;
- /* initialize the response buffer */
- response_str = response;
-
- ret = fb_nand_lookup(cmd, response, &mtd, &part);
+ ret = fb_nand_lookup(cmd, &mtd, &part);
if (ret) {
error("invalid NAND device");
- fastboot_fail(response_str, "invalid NAND device");
+ fastboot_fail("invalid NAND device");
return;
}
sparse.start = part->offset / sparse.blksz;
sparse.size = part->size / sparse.blksz;
sparse.write = fb_nand_sparse_write;
+ sparse.reserve = fb_nand_sparse_reserve;
printf("Flashing sparse image at offset " LBAFU "\n",
sparse.start);
sparse.priv = &sparse_priv;
write_sparse_image(&sparse, cmd, download_buffer,
- download_bytes, response_str);
+ download_bytes);
} else {
printf("Flashing raw image at offset 0x%llx\n",
part->offset);
}
if (ret) {
- fastboot_fail(response_str, "error writing the image");
+ fastboot_fail("error writing the image");
return;
}
- fastboot_okay(response_str, "");
+ fastboot_okay("");
}
-void fb_nand_erase(const char *cmd, char *response)
+void fb_nand_erase(const char *cmd)
{
struct part_info *part;
struct mtd_info *mtd = NULL;
int ret;
- /* initialize the response buffer */
- response_str = response;
-
- ret = fb_nand_lookup(cmd, response, &mtd, &part);
+ ret = fb_nand_lookup(cmd, &mtd, &part);
if (ret) {
error("invalid NAND device");
- fastboot_fail(response_str, "invalid NAND device");
+ fastboot_fail("invalid NAND device");
return;
}
ret = _fb_nand_erase(mtd, part);
if (ret) {
error("failed erasing from device %s", mtd->name);
- fastboot_fail(response_str, "failed erasing from device");
+ fastboot_fail("failed erasing from device");
return;
}
- fastboot_okay(response_str, "");
+ fastboot_okay("");
}