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authorJerry Van Baren <gvb.uboot@gmail.com>2008-03-08 13:48:01 -0500
committerStefan Roese <sr@denx.de>2008-03-19 13:41:25 +0100
commit9a042e9ca512beaaa2cb450274313fc477141241 (patch)
tree150f87eee6ed6aa0fdea646892e47981c36687fb /drivers/mtd
parent23e20aa6488e6c0622496549861bfdc74108debe (diff)
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Flash programming progress countdown.
Signed-off-by: Gerald Van Baren <vanbaren@cideas.com>
Diffstat (limited to 'drivers/mtd')
-rw-r--r--drivers/mtd/cfi_flash.c44
1 files changed, 43 insertions, 1 deletions
diff --git a/drivers/mtd/cfi_flash.c b/drivers/mtd/cfi_flash.c
index 439c950..48286e5 100644
--- a/drivers/mtd/cfi_flash.c
+++ b/drivers/mtd/cfi_flash.c
@@ -1180,6 +1180,22 @@ void flash_print_info (flash_info_t * info)
}
/*-----------------------------------------------------------------------
+ * This is used in a few places in write_buf() to show programming
+ * progress. Making it a function is nasty because it needs to do side
+ * effect updates to digit and dots. Repeated code is nasty too, so
+ * we define it once here.
+ */
+#define FLASH_SHOW_PROGRESS(scale, dots, digit) \
+ if ((scale > 0) && (dots <= 0)) { \
+ if ((digit % 5) == 0) \
+ printf ("%d", digit / 5); \
+ else \
+ putc ('.'); \
+ digit--; \
+ dots += scale; \
+ }
+
+/*-----------------------------------------------------------------------
* Copy memory to flash, returns:
* 0 - OK
* 1 - write timeout
@@ -1192,10 +1208,23 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
int aln;
cfiword_t cword;
int i, rc;
-
#ifdef CFG_FLASH_USE_BUFFER_WRITE
int buffered_size;
#endif
+#ifdef CONFIG_FLASH_SHOW_PROGRESS
+ int digit = CONFIG_FLASH_SHOW_PROGRESS;
+ int scale = 0;
+ int dots = 0;
+
+ /*
+ * Suppress if there are fewer than CONFIG_FLASH_SHOW_PROGRESS writes.
+ */
+ if (cnt >= CONFIG_FLASH_SHOW_PROGRESS) {
+ scale = (int)((cnt + CONFIG_FLASH_SHOW_PROGRESS - 1) /
+ CONFIG_FLASH_SHOW_PROGRESS);
+ }
+#endif
+
/* get lower aligned address */
wp = (addr & ~(info->portwidth - 1));
@@ -1219,6 +1248,10 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
return rc;
wp += i;
+#ifdef CONFIG_FLASH_SHOW_PROGRESS
+ dots -= i;
+ FLASH_SHOW_PROGRESS(scale, dots, digit);
+#endif
}
/* handle the aligned part */
@@ -1248,6 +1281,10 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
wp += i;
src += i;
cnt -= i;
+#ifdef CONFIG_FLASH_SHOW_PROGRESS
+ dots -= i;
+ FLASH_SHOW_PROGRESS(scale, dots, digit);
+#endif
}
#else
while (cnt >= info->portwidth) {
@@ -1259,8 +1296,13 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
return rc;
wp += info->portwidth;
cnt -= info->portwidth;
+#ifdef CONFIG_FLASH_SHOW_PROGRESS
+ dots -= info->portwidth;
+ FLASH_SHOW_PROGRESS(scale, dots, digit);
+#endif
}
#endif /* CFG_FLASH_USE_BUFFER_WRITE */
+
if (cnt == 0) {
return (0);
}