* Patch by Martin Krause, 30 Jun 2004:
Add support for TQM5200 board
* Patch by Martin Krause, 29 Jun 2004:
Add loopw command: infinite write loop on address range
diff --git a/common/cmd_mem.c b/common/cmd_mem.c
index aeacb8e..2bdbc9d 100644
--- a/common/cmd_mem.c
+++ b/common/cmd_mem.c
@@ -550,6 +550,81 @@
}
}
+#ifdef CONFIG_LOOPW
+int do_mem_loopw (cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+ ulong addr, length, i, data;
+ int size;
+ volatile uint *longp;
+ volatile ushort *shortp;
+ volatile u_char *cp;
+
+ if (argc < 4) {
+ printf ("Usage:\n%s\n", cmdtp->usage);
+ return 1;
+ }
+
+ /* Check for a size spefication.
+ * Defaults to long if no or incorrect specification.
+ */
+ if ((size = cmd_get_data_size(argv[0], 4)) < 0)
+ return 1;
+
+ /* Address is always specified.
+ */
+ addr = simple_strtoul(argv[1], NULL, 16);
+
+ /* Length is the number of objects, not number of bytes.
+ */
+ length = simple_strtoul(argv[2], NULL, 16);
+
+ /* data to write */
+ data = simple_strtoul(argv[3], NULL, 16);
+
+ /* We want to optimize the loops to run as fast as possible.
+ * If we have only one object, just run infinite loops.
+ */
+ if (length == 1) {
+ if (size == 4) {
+ longp = (uint *)addr;
+ for (;;)
+ *longp = data;
+ }
+ if (size == 2) {
+ shortp = (ushort *)addr;
+ for (;;)
+ *shortp = data;
+ }
+ cp = (u_char *)addr;
+ for (;;)
+ *cp = data;
+ }
+
+ if (size == 4) {
+ for (;;) {
+ longp = (uint *)addr;
+ i = length;
+ while (i-- > 0)
+ *longp++ = data;
+ }
+ }
+ if (size == 2) {
+ for (;;) {
+ shortp = (ushort *)addr;
+ i = length;
+ while (i-- > 0)
+ *shortp++ = data;
+ }
+ }
+ for (;;) {
+ cp = (u_char *)addr;
+ i = length;
+ while (i-- > 0)
+ *cp++ = data;
+ }
+}
+#endif /* CONFIG_LOOPW */
+
/*
* Perform a memory test. A more complete alternative test can be
* configured using CFG_ALT_MEMTEST. The complete test loops until
@@ -1123,6 +1198,15 @@
" - loop on a set of addresses\n"
);
+#ifdef CONFIG_LOOPW
+U_BOOT_CMD(
+ loopw, 4, 1, do_mem_loopw,
+ "loopw - infinite write loop on address range\n",
+ "[.b, .w, .l] address number_of_objects data_to_write\n"
+ " - loop on a set of addresses\n"
+);
+#endif /* CONFIG_LOOPW */
+
U_BOOT_CMD(
mtest, 4, 1, do_mem_mtest,
"mtest - simple RAM test\n",