[SPARC32]: Fix CONFIG_SUN4 build

arch/sparc/kernel/setup.c

@@ -233,7 +233,6 @@ extern void sun4c_probe_vac(void);
 extern char cputypval;
 extern unsigned long start, end;
 extern void panic_setup(char *, int *);
-extern void srmmu_end_memory(unsigned long, unsigned long *);
 
 extern unsigned short root_flags;
 extern unsigned short root_dev;

arch/sparc/mm/nosrmmu.c

@@ -9,10 +9,12 @@
 #include <linux/mm.h>
 #include <linux/init.h>
 #include <asm/mbus.h>
+#include <asm/sbus.h>
 
 static char shouldnothappen[] __initdata = "SUN4 kernel can only run on SUN4\n";
 
 enum mbus_module srmmu_modtype;
+void *srmmu_nocache_pool;
 
 int vac_cache_size = 0;
 
@@ -46,11 +48,6 @@ void srmmu_unmapioaddr(unsigned long virt_addr)
 {
 }
 
-void __init srmmu_end_memory(unsigned long memory_size, unsigned long *mem_end_p)
-{
-	return 0;
-}
-
 __u32 iounit_map_dma_init(struct sbus_bus *sbus, int size)
 {
 	return 0;

drivers/sbus/sbus.c

@@ -309,6 +309,10 @@ static void __init sbus_fixup_all_regs(struct sbus_dev *first_sdev)
 extern void register_proc_sparc_ioport(void);
 extern void firetruck_init(void);
 
+#ifdef CONFIG_SUN4
+extern void sun4_dvma_init(void);
+#endif
+
 static int __init sbus_init(void)
 {
 	int nd, this_sbus, sbus_devs, topnd, iommund;

include/asm-sparc/pgtsun4.h

@@ -51,6 +51,7 @@
 #define _SUN4C_PAGE_NOCACHE      0x10000000   /* non-cacheable page */
 #define _SUN4C_PAGE_PRESENT      0x08000000   /* implemented in software */
 #define _SUN4C_PAGE_IO           0x04000000   /* I/O page */
+#define _SUN4C_PAGE_FILE         0x02000000   /* implemented in software */
 #define _SUN4C_PAGE_READ         0x00800000   /* implemented in software */
 #define _SUN4C_PAGE_WRITE        0x00400000   /* implemented in software */
 #define _SUN4C_PAGE_ACCESSED     0x00200000   /* implemented in software */
@@ -71,6 +72,21 @@
 #define SUN4C_PAGE_KERNEL	__pgprot(_SUN4C_READABLE|_SUN4C_WRITEABLE|\
 					 _SUN4C_PAGE_DIRTY|_SUN4C_PAGE_PRIV)
 
+/* SUN4C swap entry encoding
+ *
+ * We use 5 bits for the type and 19 for the offset.  This gives us
+ * 32 swapfiles of 4GB each.  Encoding looks like:
+ *
+ * RRRRRRRRooooooooooooooooooottttt
+ * fedcba9876543210fedcba9876543210
+ *
+ * The top 8 bits are reserved for protection and status bits, especially
+ * FILE and PRESENT.
+ */
+#define SUN4C_SWP_TYPE_MASK	0x1f
+#define SUN4C_SWP_OFF_MASK	0x7ffff
+#define SUN4C_SWP_OFF_SHIFT	5
+
 #ifndef __ASSEMBLY__
 
 static inline unsigned long sun4c_get_synchronous_error(void)

include/asm-sparc/sun4prom.h

@@ -25,7 +25,7 @@ typedef struct {
 	unsigned char	(*getchar)(void);	/* Get char from input device */ 
 	void		(*putchar)(char);	/* Put char to output device */
 	int		(*mayget)(void);	/* Maybe get char, or -1 */
-	int		(*mayput)(void);	/* Maybe put char, or -1 */
+	int		(*mayput)(int);		/* Maybe put char, or -1 */
 	unsigned char	*echo;			/* Should getchar echo? */
 	unsigned char	*insource;		/* Input source selector */
 	unsigned char	*outsink;		/* Output sink selector */