#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,