diff options
Diffstat (limited to 'arch/powerpc/include/asm/cpm.h')
| -rw-r--r-- | arch/powerpc/include/asm/cpm.h | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/cpm.h b/arch/powerpc/include/asm/cpm.h index ea3fdb9fe257..0835eb977ba9 100644 --- a/arch/powerpc/include/asm/cpm.h +++ b/arch/powerpc/include/asm/cpm.h @@ -3,6 +3,7 @@ #include <linux/compiler.h> #include <linux/types.h> +#include <linux/errno.h> #include <linux/of.h> /* @@ -131,13 +132,56 @@ typedef struct cpm_buf_desc { #define BD_I2C_START (0x0400) int cpm_muram_init(void); + +#if defined(CONFIG_CPM) || defined(CONFIG_QUICC_ENGINE) 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); 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); +#else +static inline unsigned long cpm_muram_alloc(unsigned long size, + unsigned long align) +{ + return -ENOSYS; +} + +static inline int cpm_muram_free(unsigned long offset) +{ + return -ENOSYS; +} + +static inline unsigned long cpm_muram_alloc_fixed(unsigned long offset, + unsigned long size) +{ + return -ENOSYS; +} + +static inline void __iomem *cpm_muram_addr(unsigned long offset) +{ + return NULL; +} + +static inline unsigned long cpm_muram_offset(void __iomem *addr) +{ + return -ENOSYS; +} + +static inline dma_addr_t cpm_muram_dma(void __iomem *addr) +{ + return 0; +} +#endif /* defined(CONFIG_CPM) || defined(CONFIG_QUICC_ENGINE) */ + +#ifdef CONFIG_CPM int cpm_command(u32 command, u8 opcode); +#else +static inline int cpm_command(u32 command, u8 opcode) +{ + return -ENOSYS; +} +#endif /* CONFIG_CPM */ int cpm2_gpiochip_add32(struct device_node *np); |