Resguardo inicial

linux-7.2.3/arch/m68k/include/asm/nubus.h

@@ -0,0 +1,48 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef _ASM_M68K_NUBUS_H
+#define _ASM_M68K_NUBUS_H
+
+#include <asm/raw_io.h>
+#include <asm/kmap.h>
+
+#define nubus_readb raw_inb
+#define nubus_readw raw_inw
+#define nubus_readl raw_inl
+
+#define nubus_writeb raw_outb
+#define nubus_writew raw_outw
+#define nubus_writel raw_outl
+
+#define nubus_memset_io(a,b,c)		memset((void *)(a),(b),(c))
+#define nubus_memcpy_fromio(a,b,c)	memcpy((a),(void *)(b),(c))
+#define nubus_memcpy_toio(a,b,c)	memcpy((void *)(a),(b),(c))
+
+static inline void *nubus_remap_nocache_ser(unsigned long physaddr,
+					    unsigned long size)
+{
+	return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
+}
+
+static inline void *nubus_remap_nocache_nonser(unsigned long physaddr,
+					       unsigned long size)
+{
+	return __ioremap(physaddr, size, IOMAP_NOCACHE_NONSER);
+}
+
+static inline void *nbus_remap_writethrough(unsigned long physaddr,
+					    unsigned long size)
+{
+	return __ioremap(physaddr, size, IOMAP_WRITETHROUGH);
+}
+
+static inline void *nubus_remap_fullcache(unsigned long physaddr,
+					  unsigned long size)
+{
+	return __ioremap(physaddr, size, IOMAP_FULL_CACHING);
+}
+
+#define nubus_unmap iounmap
+#define nubus_iounmap iounmap
+#define nubus_ioremap nubus_remap_nocache_ser
+
+#endif /* _ASM_NUBUS_H */