Adding upstream version 4.19.249.upstream/4.19.249

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 51 insertions, 0 deletions

diff --git a/arch/arm/mach-ks8695/include/mach/memory.h b/arch/arm/mach-ks8695/include/mach/memory.h
new file mode 100644
index 000000000..ab0d27fa8
--- /dev/null
+++ b/arch/arm/mach-ks8695/include/mach/memory.h
@@ -0,0 +1,51 @@
+/*
+ * arch/arm/mach-ks8695/include/mach/memory.h
+ *
+ * Copyright (C) 2006 Andrew Victor
+ *
+ * KS8695 Memory definitions
+ *
+ * This file is licensed under  the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+#include <mach/hardware.h>
+
+#ifndef __ASSEMBLY__
+
+#ifdef CONFIG_PCI
+
+/* PCI mappings */
+#define __virt_to_bus(x)	((x) - PAGE_OFFSET + KS8695_PCIMEM_PA)
+#define __bus_to_virt(x)	((x) - KS8695_PCIMEM_PA + PAGE_OFFSET)
+
+/* Platform-bus mapping */
+extern struct bus_type platform_bus_type;
+#define is_lbus_device(dev)		(dev && dev->bus == &platform_bus_type)
+#define __arch_dma_to_virt(dev, x)	({ (void *) (is_lbus_device(dev) ? \
+					__phys_to_virt(x) : __bus_to_virt(x)); })
+#define __arch_virt_to_dma(dev, x)	({ is_lbus_device(dev) ? \
+					(dma_addr_t)__virt_to_phys((unsigned long)x) \
+					: (dma_addr_t)__virt_to_bus(x); })
+#define __arch_pfn_to_dma(dev, pfn)	\
+	({ dma_addr_t __dma = __pfn_to_phys(pfn); \
+	   if (!is_lbus_device(dev)) \
+		__dma = __dma - PHYS_OFFSET + KS8695_PCIMEM_PA; \
+	   __dma; })
+
+#define __arch_dma_to_pfn(dev, x)	\
+	({ dma_addr_t __dma = x;				\
+	   if (!is_lbus_device(dev))				\
+		__dma += PHYS_OFFSET - KS8695_PCIMEM_PA;	\
+	   __phys_to_pfn(__dma);				\
+	})
+
+#endif
+
+#endif
+
+#endif