GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/board/freescale/common/eeprom.h

@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * Copyright 2004 Freescale Semiconductor.
+ */
+
+#ifndef __EEPROM_H_
+#define __EEPROM_H_
+
+
+/*
+ * EEPROM Board System Register interface.
+ */
+
+
+/*
+ * CPU Board Revision
+ */
+#define MPC85XX_CPU_BOARD_REV(maj, min)	((((maj)&0xff) << 8) | ((min) & 0xff))
+#define MPC85XX_CPU_BOARD_MAJOR(rev)	(((rev) >> 8) & 0xff)
+#define MPC85XX_CPU_BOARD_MINOR(rev)	((rev) & 0xff)
+
+#define MPC85XX_CPU_BOARD_REV_UNKNOWN	MPC85XX_CPU_BOARD_REV(0,0)
+#define MPC85XX_CPU_BOARD_REV_1_0	MPC85XX_CPU_BOARD_REV(1,0)
+#define MPC85XX_CPU_BOARD_REV_1_1	MPC85XX_CPU_BOARD_REV(1,1)
+
+/*
+ * Returns CPU board revision register as a 16-bit value with
+ * the Major in the high byte, and Minor in the low byte.
+ */
+extern unsigned int get_cpu_board_revision(void);
+
+
+#endif	/* __CADMUS_H_ */