[POWERPC] 8xx: powerpc port of core CPM PIC

This covers common CPM access functions, CPM interrupt controller code,
micropatch and a few compatibility things to kee the same driver base
working with arch/ppc. This version is refined with all the comments
(mostly PIC-related) addressed.

Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

1 files changed, 35 insertions, 10 deletions

diff --git a/include/asm-powerpc/fs_pd.h b/include/asm-powerpc/fs_pd.h
index 3d0e819d37f1..1e2962fc4fa8 100644
--- a/include/asm-powerpc/fs_pd.h
+++ b/include/asm-powerpc/fs_pd.h
@@ -11,19 +11,11 @@
 
 #ifndef FS_PD_H
 #define FS_PD_H
-#include <asm/cpm2.h>
 #include <sysdev/fsl_soc.h>
 #include <asm/time.h>
 
-static inline int uart_baudrate(void)
-{
-        return get_baudrate();
-}
-
-static inline int uart_clock(void)
-{
-        return ppc_proc_freq;
-}
+#ifdef CONFIG_CPM2
+#include <asm/cpm2.h>
 
 #define cpm2_map(member)                                                \
 ({                                                                      \
@@ -41,5 +33,38 @@ static inline int uart_clock(void)
 })
 
 #define cpm2_unmap(addr)        iounmap(addr)
+#endif
+
+#ifdef CONFIG_8xx
+#include <asm/8xx_immap.h>
+#include <asm/mpc8xx.h>
+
+#define immr_map(member)                                                \
+({                                                                      \
+        u32 offset = offsetof(immap_t, member);                         \
+        void *addr = ioremap (IMAP_ADDR + offset,                       \
+                              sizeof( ((immap_t*)0)->member));          \
+        addr;                                                           \
+})
+
+#define immr_map_size(member, size)                                     \
+({                                                                      \
+        u32 offset = offsetof(immap_t, member);                         \
+        void *addr = ioremap (IMAP_ADDR + offset, size);                \
+        addr;                                                           \
+})
+
+#define immr_unmap(addr)                iounmap(addr)
+#endif
+
+static inline int uart_baudrate(void)
+{
+        return get_baudrate();
+}
+
+static inline int uart_clock(void)
+{
+        return ppc_proc_freq;
+}
 
 #endif