Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / board / kup / common / load_sernum_ethaddr.c

diff --git a/qemu/roms/u-boot/board/kup/common/load_sernum_ethaddr.c b/qemu/roms/u-boot/board/kup/common/load_sernum_ethaddr.c
new file mode 100644 (file)
index 0000000..20fe799
--- /dev/null
+++ b/qemu/roms/u-boot/board/kup/common/load_sernum_ethaddr.c
@@ -0,0 +1,78 @@
+/*
+ * (C) Copyright 2000-2004
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <common.h>
+#include <mpc8xx.h>
+
+/*-----------------------------------------------------------------------
+ * Process Hardware Information Block:
+ *
+ * If we boot on a system fresh from factory, check if the Hardware
+ * Information Block exists and save the information it contains.
+ *
+ * The KUP Hardware Information Block is defined as
+ * follows:
+ * - located in first flash bank
+ * - starts at offset CONFIG_SYS_HWINFO_OFFSET
+ * - size CONFIG_SYS_HWINFO_SIZE
+ *
+ * Internal structure:
+ * - sequence of ASCII character lines
+ * - fields separated by <CR><LF>
+ * - last field terminated by NUL character (0x00)
+ *
+ * Fields in Hardware Information Block:
+ * 1) Module Type
+ * 2) MAC Address
+ * 3) ....
+ */
+
+
+#define ETHADDR_TOKEN "ethaddr="
+#define LCD_TOKEN "lcd="
+
+void load_sernum_ethaddr (void)
+{
+       unsigned char *hwi;
+       char *var;
+       unsigned char hwi_stack[CONFIG_SYS_HWINFO_SIZE];
+       char *p;
+
+       hwi = (unsigned char *) (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_HWINFO_OFFSET);
+       if (*((unsigned long *) hwi) != (unsigned long) CONFIG_SYS_HWINFO_MAGIC) {
+               printf ("HardwareInfo not found!\n");
+               return;
+       }
+       memcpy (hwi_stack, hwi, CONFIG_SYS_HWINFO_SIZE);
+
+       /*
+        ** ethaddr
+        */
+       var = strstr ((char *)hwi_stack, ETHADDR_TOKEN);
+       if (var) {
+               var += sizeof (ETHADDR_TOKEN) - 1;
+               p = strchr (var, '\r');
+               if ((unsigned char *)p < hwi + CONFIG_SYS_HWINFO_SIZE) {
+                       *p = '\0';
+                       setenv ("ethaddr", var);
+                       *p = '\r';
+               }
+       }
+       /*
+        ** lcd
+        */
+       var = strstr ((char *)hwi_stack, LCD_TOKEN);
+       if (var) {
+               var += sizeof (LCD_TOKEN) - 1;
+               p = strchr (var, '\r');
+               if ((unsigned char *)p < hwi + CONFIG_SYS_HWINFO_SIZE) {
+                       *p = '\0';
+                       setenv ("lcd", var);
+                       *p = '\r';
+               }
+       }
+}