[PPC] Fix compilation and linking errors of mpc86xads build.

Fix compilation of mpc866ads_setup.c

Signed-off-by: Vitaly Bordug <vbordug@ru.mvista.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

1 files changed, 26 insertions, 0 deletions

diff --git a/arch/ppc/8xx_io/commproc.c b/arch/ppc/8xx_io/commproc.c
index 3b23bcb35b7a..7a8722beac12 100644
--- a/arch/ppc/8xx_io/commproc.c
+++ b/arch/ppc/8xx_io/commproc.c
@@ -39,6 +39,21 @@
 #include <asm/tlbflush.h>
 #include <asm/rheap.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;								\
+})
+
 static void m8xx_cpm_dpinit(void);
 static	uint	host_buffer;	/* One page of host buffer */
 static	uint	host_end;	/* end + 1 */
@@ -364,11 +379,16 @@ static rh_block_t cpm_boot_dpmem_rh_block[16];
 static rh_info_t cpm_dpmem_info;
 
 #define CPM_DPMEM_ALIGNMENT	8
+static u8* dpram_vbase;
+static uint dpram_pbase;
 
 void m8xx_cpm_dpinit(void)
 {
 	spin_lock_init(&cpm_dpmem_lock);
 
+	dpram_vbase = immr_map_size(im_cpm.cp_dpmem, CPM_DATAONLY_BASE + CPM_DATAONLY_SIZE);
+	dpram_pbase = (uint)&((immap_t *)IMAP_ADDR)->im_cpm.cp_dpmem;
+
 	/* Initialize the info header */
 	rh_init(&cpm_dpmem_info, CPM_DPMEM_ALIGNMENT,
 			sizeof(cpm_boot_dpmem_rh_block) /
@@ -442,3 +462,9 @@ void *cpm_dpram_addr(uint offset)
 	return ((immap_t *)IMAP_ADDR)->im_cpm.cp_dpmem + offset;
 }
 EXPORT_SYMBOL(cpm_dpram_addr);
+
+uint cpm_dpram_phys(u8* addr)
+{
+	return (dpram_pbase + (uint)(addr - dpram_vbase));
+}
+EXPORT_SYMBOL(cpm_dpram_phys);