+/* FPGA Memory-pattern-test */
+static int fpga_mem_test(void * address)
+{
+ int ret = 1;
+ uint read_value;
+ uint old_value;
+ uint i = 0;
+ /* save content */
+ old_value = in_be32(address);
+
+ while (pattern[i] != 0) {
+ out_be32(address, pattern[i]);
+ /* read other location (protect against data lines capacity) */
+ ret = in_be16((void *)FPGA_VERSION_REG);
+ /* verify test pattern */
+ read_value = in_be32(address);
+
+ if (read_value != pattern[i]) {
+ post_log("FPGA Memory test failed.");
+ post_log(" write %08X, read %08X at address %08X\n",
+ pattern[i], read_value, address);
+ ret = 1;
+ goto out;
+ }
+ i++;
+ }
+
+ ret = 0;
+out:
+ out_be32(address, old_value);
+ return ret;
+}