Add qemu 2.4.0
[kvmfornfv.git] / qemu / roms / u-boot / board / amcc / taishan / update.c
diff --git a/qemu/roms/u-boot/board/amcc/taishan/update.c b/qemu/roms/u-boot/board/amcc/taishan/update.c
new file mode 100644 (file)
index 0000000..2738989
--- /dev/null
@@ -0,0 +1,62 @@
+/*
+ * (C) Copyright 2007
+ * Stefan Roese, DENX Software Engineering, sr@denx.de.
+ *
+ * SPDX-License-Identifier:    GPL-2.0+
+ */
+
+#include <config.h>
+#include <common.h>
+#include <command.h>
+#include <asm/processor.h>
+#include <i2c.h>
+
+#if defined(CONFIG_TAISHAN)
+
+const uchar bootstrap_buf[16] = {
+       0x86,
+       0x78,
+       0xc1,
+       0xa6,
+       0x09,
+       0x67,
+       0x04,
+       0x63,
+       0x00,
+       0x00,
+       0x00,
+       0x00,
+       0x00,
+       0x00,
+       0x00,
+       0x00
+};
+
+static int update_boot_eeprom(void)
+{
+       ulong len = 0x10;
+       uchar chip = CONFIG_SYS_BOOTSTRAP_IIC_ADDR;
+       uchar *pbuf = (uchar *)bootstrap_buf;
+       int ii, jj;
+
+       for (ii = 0; ii < len; ii++) {
+               if (i2c_write(chip, ii, 1, &pbuf[ii], 1) != 0) {
+                       printf("i2c_write failed\n");
+                       return -1;
+               }
+
+               /* wait 10ms */
+               for (jj = 0; jj < 10; jj++)
+                       udelay(1000);
+       }
+       return 0;
+}
+
+int do_update_boot_eeprom(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+{
+       return update_boot_eeprom();
+}
+
+U_BOOT_CMD(update_boot_eeprom, 1, 1, do_update_boot_eeprom,
+          "update bootstrap eeprom content", "");
+#endif