diff options
Diffstat (limited to 'include/asm-powerpc/dcr-mmio.h')
-rw-r--r-- | include/asm-powerpc/dcr-mmio.h | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/include/asm-powerpc/dcr-mmio.h b/include/asm-powerpc/dcr-mmio.h index 5dbfca8dde3..08532ff1899 100644 --- a/include/asm-powerpc/dcr-mmio.h +++ b/include/asm-powerpc/dcr-mmio.h @@ -23,22 +23,26 @@ #include <asm/io.h> -typedef struct { void __iomem *token; unsigned int stride; } dcr_host_t; +typedef struct { + void __iomem *token; + unsigned int stride; + unsigned int base; +} dcr_host_t; #define DCR_MAP_OK(host) ((host).token != NULL) extern dcr_host_t dcr_map(struct device_node *dev, unsigned int dcr_n, unsigned int dcr_c); -extern void dcr_unmap(dcr_host_t host, unsigned int dcr_n, unsigned int dcr_c); +extern void dcr_unmap(dcr_host_t host, unsigned int dcr_c); static inline u32 dcr_read(dcr_host_t host, unsigned int dcr_n) { - return in_be32(host.token + dcr_n * host.stride); + return in_be32(host.token + ((host.base + dcr_n) * host.stride)); } static inline void dcr_write(dcr_host_t host, unsigned int dcr_n, u32 value) { - out_be32(host.token + dcr_n * host.stride, value); + out_be32(host.token + ((host.base + dcr_n) * host.stride), value); } extern u64 of_translate_dcr_address(struct device_node *dev, |