[POWERPC] QE: implement qe_muram_offset
qe_muram_offset is the reverse of the qe_muram_addr, will be
used for the Freescale QE USB Host Controller driver.
This patch also moves qe_muram_addr into the qe.h header, plus
adds __iomem hints to use with sparse.
Signed-off-by: Anton Vorontsov <avorontsov@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/include/asm-powerpc/immap_qe.h b/include/asm-powerpc/immap_qe.h
index 82a4526..924aefb 100644
--- a/include/asm-powerpc/immap_qe.h
+++ b/include/asm-powerpc/immap_qe.h
@@ -468,7 +468,7 @@
u8 res18[0xC0000]; /* 0x140000 - 0x200000 */
} __attribute__ ((packed));
-extern struct qe_immap *qe_immr;
+extern struct qe_immap __iomem *qe_immr;
extern phys_addr_t get_qe_base(void);
static inline unsigned long immrbar_virt_to_phys(void *address)
diff --git a/include/asm-powerpc/qe.h b/include/asm-powerpc/qe.h
index 430dc77..398534c 100644
--- a/include/asm-powerpc/qe.h
+++ b/include/asm-powerpc/qe.h
@@ -92,7 +92,16 @@
int qe_muram_free(unsigned long offset);
unsigned long qe_muram_alloc_fixed(unsigned long offset, int size);
void qe_muram_dump(void);
-void *qe_muram_addr(unsigned long offset);
+
+static inline void __iomem *qe_muram_addr(unsigned long offset)
+{
+ return (void __iomem *)&qe_immr->muram[offset];
+}
+
+static inline unsigned long qe_muram_offset(void __iomem *addr)
+{
+ return addr - (void __iomem *)qe_immr->muram;
+}
/* Structure that defines QE firmware binary files.
*