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authorKevin Cernekee <cernekee@gmail.com>2014-12-25 09:49:00 -0800
committerRalf Baechle <ralf@linux-mips.org>2015-04-01 17:21:35 +0200
commit5f2d44591fb374ae346a3df682d722b68552adc2 (patch)
tree22bd5d017c3b9fe25a25587ebb65b05abf37cbe1 /arch/mips/include/asm/mach-bmips
parenteb2236ea580bb21c954c889cc3dc05b3e98238cd (diff)
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MIPS: bcm3384: Rename "bcm3384" target to "bmips"
This platform is configured primarily through device tree, and we can reuse the same code to support a bunch of other chips. Change the name to reflect this. [ralf@linux-mips.org: Fix conflicts with other patches.] Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Cc: f.fainelli@gmail.com Cc: jaedon.shin@gmail.com Cc: abrestic@chromium.org Cc: tglx@linutronix.de Cc: jason@lakedaemon.net Cc: jogo@openwrt.org Cc: computersforpeace@gmail.com Cc: linux-mips@linux-mips.org Cc: devicetree@vger.kernel.org Cc: linux-kernel@vger.kernel.org Patchwork: https://patchwork.linux-mips.org/patch/8838/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include/asm/mach-bmips')
-rw-r--r--arch/mips/include/asm/mach-bmips/dma-coherence.h48
1 files changed, 48 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 000000000000..65e95b03ef92
--- /dev/null
+++ b/arch/mips/include/asm/mach-bmips/dma-coherence.h
@@ -0,0 +1,48 @@
+/*
+ * 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
+
+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;
+}
+
+#endif /* __ASM_MACH_BMIPS_DMA_COHERENCE_H */
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