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CPM/QE: use genalloc to manage CPM/QE muram

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Use genalloc to manage CPM/QE muram instead of rheap.

Signed-off-by: Zhao Qiang <qiang.zhao@freescale.com>
Signed-off-by: Scott Wood <scottwood@freescale.com>
This commit is contained in:
Zhao Qiang
2015-11-30 10:48:54 +08:00
committed by Scott Wood
parent b26981c8f7
commit 0e6e01ff69
4 changed files with 94 additions and 41 deletions
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3
arch/powerpc/include/asm/cpm.h
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@@ -2,6 +2,7 @@
#define __CPM_H
#include <linux/compiler.h>
#include <linux/genalloc.h>
#include <linux/types.h>
#include <linux/errno.h>
#include <linux/of.h>
@@ -161,6 +162,8 @@ int cpm_muram_init(void);
unsigned long cpm_muram_alloc(unsigned long size, unsigned long align);
int cpm_muram_free(unsigned long offset);
unsigned long cpm_muram_alloc_fixed(unsigned long offset, unsigned long size);
unsigned long cpm_muram_alloc_common(unsigned long size, genpool_algo_t algo,
void *data);
void __iomem *cpm_muram_addr(unsigned long offset);
unsigned long cpm_muram_offset(void __iomem *addr);
dma_addr_t cpm_muram_dma(void __iomem *addr);