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

source/bootloader/u-boot-2020.01/lotus/drivers/usb/udc3/sys.h

@@ -0,0 +1,56 @@
+/*
+ * Copyright (c) LOTUS. All rights reserved.
+ */
+
+#ifndef __SYS_H__
+#define __SYS_H__
+#include "types.h"
+static inline void writel(unsigned int val, unsigned long int addr)
+{
+	(*(volatile unsigned int *)(addr)) = (val);
+}
+
+static inline void writew(unsigned short val, unsigned long int addr)
+{
+	(*(volatile unsigned short *)(addr)) = (val);
+}
+
+static inline void writeb(unsigned char val, unsigned long int addr)
+{
+	(*(volatile unsigned char *)(addr)) = (val);
+}
+
+static inline unsigned int readl(unsigned long int addr)
+{
+	return (*(volatile unsigned int *)(addr));
+}
+
+static inline unsigned short readw(unsigned long int addr)
+{
+	return (*(volatile unsigned short *)(addr));
+}
+
+static inline unsigned char readb(unsigned long int addr)
+{
+	return (*(volatile unsigned char *)(addr));
+}
+
+/* Set the bits of addr to 1, which in mask is 1 */
+static inline void set_bits(unsigned int mask, unsigned long int addr)
+{
+	(*(volatile unsigned int *)(addr)) |= mask;
+}
+
+/* Clear the bits of addr to 0, which in mask is 1 */
+static inline void clr_bits(unsigned int mask, unsigned long int addr)
+{
+	(*(volatile unsigned int *)(addr)) &= ~(mask);
+}
+
+/* Return True if all the bits of addr are 1, which is 1 in mask.
+   Else, return False. */
+static inline unsigned int is_bits_set(unsigned int mask, unsigned long int addr)
+{
+	return (((*(volatile unsigned int *)(addr)) & (mask)) == (mask));
+}
+#endif /* end of __SYS_H__ */