From: Antony Pavlov <antonynpavlov@gmail.com>
To: barebox@lists.infradead.org
Subject: [RFC v4 1/6] MIPS: add dma_alloc_coherent()
Date: Mon, 30 Jun 2014 23:59:44 +0400 [thread overview]
Message-ID: <1404158389-14632-2-git-send-email-antonynpavlov@gmail.com> (raw)
In-Reply-To: <1404158389-14632-1-git-send-email-antonynpavlov@gmail.com>
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
---
arch/mips/include/asm/dma-mapping.h | 25 +++++++++++++++++++++++++
1 file changed, 25 insertions(+)
diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h
new file mode 100644
index 0000000..555efa5
--- /dev/null
+++ b/arch/mips/include/asm/dma-mapping.h
@@ -0,0 +1,25 @@
+#ifndef _ASM_DMA_MAPPING_H
+#define _ASM_DMA_MAPPING_H
+
+#include <xfuncs.h>
+#include <asm/addrspace.h>
+#include <asm/types.h>
+#include <malloc.h>
+
+static inline void *dma_alloc_coherent(size_t size, dma_addr_t *dma_handle)
+{
+ void *ret;
+
+ ret = xmemalign(PAGE_SIZE, size);
+
+ *dma_handle = CPHYSADDR(ret);
+
+ return (void *)CKSEG1ADDR(ret);
+}
+
+static inline void dma_free_coherent(void *vaddr)
+{
+ free(vaddr);
+}
+
+#endif /* _ASM_DMA_MAPPING_H */
--
1.9.2
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next prev parent reply other threads:[~2014-06-30 20:00 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-06-30 19:59 [RFC v4 0/6] barebox PCI support Antony Pavlov
2014-06-30 19:59 ` Antony Pavlov [this message]
2014-06-30 19:59 ` [RFC v4 2/6] PCI: initial commit Antony Pavlov
2014-07-02 6:12 ` Sascha Hauer
2014-06-30 19:59 ` [RFC v4 3/6] commands: add 'lspci' command Antony Pavlov
2014-06-30 19:59 ` [RFC v4 4/6] net: add RealTek RTL-8139 PCI Ethernet driver Antony Pavlov
2014-07-02 6:18 ` Sascha Hauer
2014-06-30 19:59 ` [RFC v4 5/6] MIPS: add PCI support for GT64120-based Malta board Antony Pavlov
2014-06-30 19:59 ` [RFC v4 6/6] MIPS: qemu-malta_defconfig: enable PCI & network stuff Antony Pavlov
2014-07-02 6:05 ` [RFC v4 0/6] barebox PCI support Sascha Hauer
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