From 0e514396fa5ff2d2410e50854f103b2c23e8d841 Mon Sep 17 00:00:00 2001
From: Alexander Couzens <lynxis@fe80.eu>
Date: Mon, 6 Apr 2015 17:14:29 +0200
Subject: [PATCH] add command setserial and showserial

---
 u-boot/common/cmd_setmac.c | 68 ++++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)

diff --git a/u-boot/common/cmd_setmac.c b/u-boot/common/cmd_setmac.c
index 394db4bb78..0ace1a0e9d 100644
--- a/u-boot/common/cmd_setmac.c
+++ b/u-boot/common/cmd_setmac.c
@@ -23,6 +23,7 @@
 
 #include <common.h>
 #include <command.h>
+#include <stdlib.h>
 
 #ifdef CFG_CMD_SETMAC
 
@@ -30,6 +31,7 @@
 #define ETH_ALEN 6
 #endif
 
+#define SERIAL_LOCATION 0x20
 extern flash_info_t flash_info[]; /* info for FLASH chips */
 
 static int mac_location[] = {
@@ -239,6 +241,60 @@ int do_showmac(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
   return CMD_RET_SUCCESS;
 }
 
+int do_setserial(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+  u8 buffer[CFG_FLASH_SECTOR_SIZE];
+  int32_t *serial;
+  int32_t serialnumber;
+  int rc;
+
+  if (argc != 2)
+    return CMD_RET_FAILURE;
+
+  serialnumber = atoi(argv[1]);
+  if (serialnumber <= 0) {
+    printf("Invalid serialnumber. <= 0!\n");
+    return CMD_RET_FAILURE;
+  }
+
+  /* read */
+  memcpy(buffer, (void *)BOARDCAL, CFG_FLASH_SECTOR_SIZE);
+
+  /* set serial number */
+  serial = (int32_t *) (buffer + SERIAL_LOCATION);
+  *serial = serialnumber;
+
+  /* erase */
+	rc = flash_erase(flash_info, CAL_SECTOR, CAL_SECTOR);
+  if (rc) {
+    printf("Write mac failed because flash_erase failed! rc %d\n", rc);
+    return 1;
+  }
+
+  /* write */
+	rc = write_buff(flash_info, buffer, BOARDCAL, CFG_FLASH_SECTOR_SIZE);
+  if (rc) {
+    printf("Write mac failed because write_buff failed! rc %d\n", rc);
+    return 1;
+  }
+
+  return CMD_RET_SUCCESS;
+}
+
+
+int do_showserial(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[])
+{
+  int i = 0;
+  u8 buffer[CFG_FLASH_SECTOR_SIZE];
+  int32_t *serial;
+  memcpy(buffer, (void *)BOARDCAL, CFG_FLASH_SECTOR_SIZE);
+
+  serial = buffer + SERIAL_LOCATION;
+  printf("serial %d\n", serial);
+
+  return CMD_RET_SUCCESS;
+}
+
 U_BOOT_CMD(
     setmac, ARRAY_SIZE(mac_location)+2, 0, do_setmac,
     "setmac - Set ethernet MAC addresses\n",
@@ -256,4 +312,16 @@ U_BOOT_CMD(
     "showmac - Show ethernet MAC addresses\n",
 );
 
+U_BOOT_CMD(
+    setserial, 2, 0, do_setserial,
+    "setserial - Set the serial number\n",
+    "setserial serial\n"
+);
+
+U_BOOT_CMD(
+    showserial, 1, 0, do_showserial,
+    "showserial - Show serial number\n",
+);
+
+
 #endif /* CFG_CMD_SETMAC */