powerpc: Zero out board info struct on bootup

[u-boot] / common / cmd_nand.c

diff --git a/common/cmd_nand.c b/common/cmd_nand.c
index dcccc197954fe5621ae8473b7eb56254647f2009..8a812379a6e3295ba5765c0c7dfbf146aa006bc0 100644 (file)
--- a/common/cmd_nand.c
+++ b/common/cmd_nand.c
@@ -37,10 +37,16 @@ int find_dev_and_part(const char *id, struct mtd_device **dev,
                      u8 *part_num, struct part_info **part);
 #endif
 
-static int nand_dump(nand_info_t *nand, ulong off, int only_oob)
+static int nand_dump(nand_info_t *nand, ulong off, int only_oob, int repeat)
 {
        int i;
        u_char *datbuf, *oobbuf, *p;
+       static loff_t last;
+
+       if (repeat)
+               off = last + nand->writesize;
+
+       last = off;
 
        datbuf = malloc(nand->writesize + nand->oobsize);
        oobbuf = malloc(nand->oobsize);
@@ -381,6 +387,7 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 #endif
        const char *quiet_str = getenv("quiet");
        int dev = nand_curr_device;
+       int repeat = flag & CMD_FLAG_REPEAT;
 
        /* at least two arguments please */
        if (argc < 2)
@@ -391,6 +398,10 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 
        cmd = argv[1];
 
+       /* Only "dump" is repeatable. */
+       if (repeat && strcmp(cmd, "dump"))
+               return 0;
+
        if (strcmp(cmd, "info") == 0) {
 
                putc('\n');
@@ -532,16 +543,10 @@ int do_nand(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
                if (argc < 3)
                        goto usage;
 
-               s = strchr(cmd, '.');
                off = (int)simple_strtoul(argv[2], NULL, 16);
-
-               if (s != NULL && strcmp(s, ".oob") == 0)
-                       ret = nand_dump(nand, off, 1);
-               else
-                       ret = nand_dump(nand, off, 0);
+               ret = nand_dump(nand, off, !strcmp(&cmd[4], ".oob"), repeat);
 
                return ret == 0 ? 1 : 0;
-
        }
 
        if (strncmp(cmd, "read", 4) == 0 || strncmp(cmd, "write", 5) == 0) {