From: Antony Pavlov <antonynpavlov@gmail.com>
To: barebox@lists.infradead.org
Subject: [PATCH v5 2/7] MIPS: add dma_alloc_coherent()
Date: Fri, 4 Jul 2014 01:27:01 +0400 [thread overview]
Message-ID: <1404422826-6589-3-git-send-email-antonynpavlov@gmail.com> (raw)
In-Reply-To: <1404422826-6589-1-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 */
--
2.0.1
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next prev parent reply other threads:[~2014-07-03 21:27 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-03 21:26 [PATCH v5 0/7] barebox PCI support Antony Pavlov
2014-07-03 21:27 ` [PATCH v5 1/7] linux/ioport.h: include missed <linux/list.h> Antony Pavlov
2014-07-03 21:27 ` Antony Pavlov [this message]
2014-07-03 21:27 ` [PATCH v5 3/7] PCI: initial commit Antony Pavlov
2014-07-07 18:22 ` Jean-Christophe PLAGNIOL-VILLARD
2014-07-07 21:23 ` Antony Pavlov
2014-07-08 6:29 ` Sascha Hauer
2014-07-08 9:48 ` Antony Pavlov
2014-07-08 9:51 ` Sascha Hauer
2014-07-08 9:50 ` Antony Pavlov
2014-07-08 9:53 ` Jean-Christophe PLAGNIOL-VILLARD
2014-07-03 21:27 ` [PATCH v5 4/7] commands: add 'lspci' command Antony Pavlov
2014-07-03 21:27 ` [PATCH v5 5/7] net: add RealTek RTL-8139 PCI Ethernet driver Antony Pavlov
2014-07-03 21:27 ` [PATCH v5 6/7] MIPS: add PCI support for GT64120-based Malta board Antony Pavlov
2014-07-03 21:27 ` [PATCH v5 7/7] MIPS: qemu-malta_defconfig: enable PCI & network stuff Antony Pavlov
2014-07-04 5:38 ` [PATCH v5 0/7] barebox PCI support Sascha Hauer
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