[PATCH] ppc32: Fix mpc8272ads

When I reworked the m82xx init functions, I inadvertantly broke the callout
we had from ppc_md.setup_arch() that boards can use to poke & prod things,
once mappings are set.  The following adds in a callback and updates the
one m82xx board that needs it.
Signed-off-by: Tom Rini <trini@kernel.crashing.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

arch/ppc/platforms/pq2ads.c

@@ -19,8 +19,8 @@
 #include <asm/mpc8260.h>
 
 void __init
-m82xx_board_init(void)
+m82xx_board_setup(void)
 {
 	/* Enable the 2nd UART port */
-        *(volatile uint *)(BCSR_ADDR + 4) &= ~BCSR1_RS232_EN2;
+	*(volatile uint *)(BCSR_ADDR + 4) &= ~BCSR1_RS232_EN2;
 }

arch/ppc/syslib/m8260_setup.c

@@ -37,6 +37,12 @@ extern void cpm2_reset(void);
 extern void m8260_find_bridges(void);
 extern void idma_pci9_init(void);
 
+/* Place-holder for board-specific init */
+void __attribute__ ((weak)) __init
+m82xx_board_setup(void)
+{
+}
+
 static void __init
 m8260_setup_arch(void)
 {
@@ -56,6 +62,7 @@ m8260_setup_arch(void)
 	if (initrd_start)
 		ROOT_DEV = Root_RAM0;
 #endif
+	m82xx_board_setup();
 }
 
 /* The decrementer counts at the system (internal) clock frequency
@@ -203,7 +210,7 @@ m8260_map_io(void)
 	io_block_mapping(IO_VIRT_ADDR, IO_PHYS_ADDR, 0x10000000, _PAGE_IO);
 }
 
-/* Place-holder for board-specific init */
+/* Place-holder for board-specific ppc_md hooking */
 void __attribute__ ((weak)) __init
 m82xx_board_init(void)
 {