summaryrefslogtreecommitdiff
path: root/arch/mips/include/asm/mach-bmips
diff options
context:
space:
mode:
authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /arch/mips/include/asm/mach-bmips
Initial import
Diffstat (limited to 'arch/mips/include/asm/mach-bmips')
-rw-r--r--arch/mips/include/asm/mach-bmips/dma-coherence.h54
-rw-r--r--arch/mips/include/asm/mach-bmips/spaces.h18
2 files changed, 72 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-bmips/dma-coherence.h b/arch/mips/include/asm/mach-bmips/dma-coherence.h
new file mode 100644
index 000000000..d29781f02
--- /dev/null
+++ b/arch/mips/include/asm/mach-bmips/dma-coherence.h
@@ -0,0 +1,54 @@
+/*
+ * Copyright (C) 2006 Ralf Baechle <ralf@linux-mips.org>
+ * Copyright (C) 2009 Broadcom Corporation
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __ASM_MACH_BMIPS_DMA_COHERENCE_H
+#define __ASM_MACH_BMIPS_DMA_COHERENCE_H
+
+#include <asm/bmips.h>
+#include <asm/cpu-type.h>
+#include <asm/cpu.h>
+
+struct device;
+
+extern dma_addr_t plat_map_dma_mem(struct device *dev, void *addr, size_t size);
+extern dma_addr_t plat_map_dma_mem_page(struct device *dev, struct page *page);
+extern unsigned long plat_dma_addr_to_phys(struct device *dev,
+ dma_addr_t dma_addr);
+
+static inline void plat_unmap_dma_mem(struct device *dev, dma_addr_t dma_addr,
+ size_t size, enum dma_data_direction direction)
+{
+}
+
+static inline int plat_dma_supported(struct device *dev, u64 mask)
+{
+ /*
+ * we fall back to GFP_DMA when the mask isn't all 1s,
+ * so we can't guarantee allocations that must be
+ * within a tighter range than GFP_DMA..
+ */
+ if (mask < DMA_BIT_MASK(24))
+ return 0;
+
+ return 1;
+}
+
+static inline int plat_device_is_coherent(struct device *dev)
+{
+ return 0;
+}
+
+#define plat_post_dma_flush bmips_post_dma_flush
+
+#endif /* __ASM_MACH_BMIPS_DMA_COHERENCE_H */
diff --git a/arch/mips/include/asm/mach-bmips/spaces.h b/arch/mips/include/asm/mach-bmips/spaces.h
new file mode 100644
index 000000000..1b05bddc8
--- /dev/null
+++ b/arch/mips/include/asm/mach-bmips/spaces.h
@@ -0,0 +1,18 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 1994 - 1999, 2000, 03, 04 Ralf Baechle
+ * Copyright (C) 2000, 2002 Maciej W. Rozycki
+ * Copyright (C) 1990, 1999, 2000 Silicon Graphics, Inc.
+ */
+#ifndef _ASM_BMIPS_SPACES_H
+#define _ASM_BMIPS_SPACES_H
+
+/* Avoid collisions with system base register (SBR) region on BMIPS3300 */
+#define FIXADDR_TOP ((unsigned long)(long)(int)0xff000000)
+
+#include <asm/mach-generic/spaces.h>
+
+#endif /* __ASM_BMIPS_SPACES_H */