]> git.sur5r.net Git - u-boot/blobdiff - drivers/mtd/cfi_flash.c
mmc: Fix mmc_spi error on cmd->flags field
[u-boot] / drivers / mtd / cfi_flash.c
index f0f301a46023e67c952b5dd7f65790f835fd28a8..43140f36479cbee9b0b894c567c4a9588fe8b36f 100644 (file)
@@ -1077,7 +1077,38 @@ int flash_erase (flash_info_t * info, int s_first, int s_last)
 
 
        for (sect = s_first; sect <= s_last; sect++) {
+               if (ctrlc()) {
+                       printf("\n");
+                       return 1;
+               }
+
                if (info->protect[sect] == 0) { /* not protected */
+#ifdef CONFIG_SYS_FLASH_CHECK_BLANK_BEFORE_ERASE
+                       int k;
+                       int size;
+                       int erased;
+                       u32 *flash;
+
+                       /*
+                        * Check if whole sector is erased
+                        */
+                       size = flash_sector_size(info, sect);
+                       erased = 1;
+                       flash = (u32 *)info->start[sect];
+                       /* divide by 4 for longword access */
+                       size = size >> 2;
+                       for (k = 0; k < size; k++) {
+                               if (flash_read32(flash++) != 0xffffffff) {
+                                       erased = 0;
+                                       break;
+                               }
+                       }
+                       if (erased) {
+                               if (flash_verbose)
+                                       putc(',');
+                               continue;
+                       }
+#endif
                        switch (info->vendor) {
                        case CFI_CMDSET_INTEL_PROG_REGIONS:
                        case CFI_CMDSET_INTEL_STANDARD:
@@ -1353,6 +1384,9 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
                src += i;
                cnt -= i;
                FLASH_SHOW_PROGRESS(scale, dots, digit, i);
+               /* Only check every once in a while */
+               if ((cnt & 0xFFFF) < buffered_size && ctrlc())
+                       return ERR_ABORTED;
        }
 #else
        while (cnt >= info->portwidth) {
@@ -1365,6 +1399,9 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
                wp += info->portwidth;
                cnt -= info->portwidth;
                FLASH_SHOW_PROGRESS(scale, dots, digit, info->portwidth);
+               /* Only check every once in a while */
+               if ((cnt & 0xFFFF) < info->portwidth && ctrlc())
+                       return ERR_ABORTED;
        }
 #endif /* CONFIG_SYS_FLASH_USE_BUFFER_WRITE */