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-rw-r--r--arch/sh/include/asm/io.h61
-rw-r--r--arch/sh/include/asm/machvec.h1
-rw-r--r--arch/sh/include/asm/pgtable_32.h15
-rw-r--r--arch/sh/include/asm/processor.h2
-rw-r--r--arch/sh/include/asm/processor_32.h6
5 files changed, 22 insertions, 63 deletions
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h
index 89ab2c57a4c2..28c5aa58bb45 100644
--- a/arch/sh/include/asm/io.h
+++ b/arch/sh/include/asm/io.h
@@ -11,11 +11,6 @@
*
* While read{b,w,l,q} and write{b,w,l,q} contain memory barriers
* automatically, there are also __raw versions, which do not.
- *
- * Historically, we have also had ctrl_in{b,w,l,q}/ctrl_out{b,w,l,q} for
- * SuperH specific I/O (raw I/O to on-chip CPU peripherals). In practice
- * these have the same semantics as the __raw variants, and as such, all
- * new code should be using the __raw versions.
*/
#include <linux/errno.h>
#include <asm/cache.h>
@@ -231,52 +226,6 @@ __BUILD_IOPORT_STRING(q, u64)
#endif
-/*
- * Legacy SuperH on-chip I/O functions
- *
- * These are all deprecated, all new (and especially cross-platform) code
- * should be using the __raw_xxx() routines directly.
- */
-static inline u8 __deprecated ctrl_inb(unsigned long addr)
-{
- return __raw_readb(addr);
-}
-
-static inline u16 __deprecated ctrl_inw(unsigned long addr)
-{
- return __raw_readw(addr);
-}
-
-static inline u32 __deprecated ctrl_inl(unsigned long addr)
-{
- return __raw_readl(addr);
-}
-
-static inline u64 __deprecated ctrl_inq(unsigned long addr)
-{
- return __raw_readq(addr);
-}
-
-static inline void __deprecated ctrl_outb(u8 v, unsigned long addr)
-{
- __raw_writeb(v, addr);
-}
-
-static inline void __deprecated ctrl_outw(u16 v, unsigned long addr)
-{
- __raw_writew(v, addr);
-}
-
-static inline void __deprecated ctrl_outl(u32 v, unsigned long addr)
-{
- __raw_writel(v, addr);
-}
-
-static inline void __deprecated ctrl_outq(u64 v, unsigned long addr)
-{
- __raw_writeq(v, addr);
-}
-
#define IO_SPACE_LIMIT 0xffffffff
/* synco on SH-4A, otherwise a nop */
@@ -341,7 +290,15 @@ __ioremap_29bit(phys_addr_t offset, unsigned long size, pgprot_t prot)
* mapping must be done by the PMB or by using page tables.
*/
if (likely(PXSEG(offset) < P3SEG && PXSEG(last_addr) < P3SEG)) {
- if (unlikely(pgprot_val(prot) & _PAGE_CACHABLE))
+ u64 flags = pgprot_val(prot);
+
+ /*
+ * Anything using the legacy PTEA space attributes needs
+ * to be kicked down to page table mappings.
+ */
+ if (unlikely(flags & _PAGE_PCC_MASK))
+ return NULL;
+ if (unlikely(flags & _PAGE_CACHABLE))
return (void __iomem *)P1SEGADDR(offset);
return (void __iomem *)P2SEGADDR(offset);
diff --git a/arch/sh/include/asm/machvec.h b/arch/sh/include/asm/machvec.h
index dd5d6e5bf204..57c5c3d0f39f 100644
--- a/arch/sh/include/asm/machvec.h
+++ b/arch/sh/include/asm/machvec.h
@@ -31,6 +31,7 @@ struct sh_machine_vector {
int (*mv_mode_pins)(void);
void (*mv_mem_init)(void);
+ void (*mv_mem_reserve)(void);
};
extern struct sh_machine_vector sh_mv;
diff --git a/arch/sh/include/asm/pgtable_32.h b/arch/sh/include/asm/pgtable_32.h
index 43528ec656ba..b799fe71114c 100644
--- a/arch/sh/include/asm/pgtable_32.h
+++ b/arch/sh/include/asm/pgtable_32.h
@@ -76,6 +76,10 @@
/* Wrapper for extended mode pgprot twiddling */
#define _PAGE_EXT(x) ((unsigned long long)(x) << 32)
+#ifdef CONFIG_X2TLB
+#define _PAGE_PCC_MASK 0x00000000 /* No legacy PTEA support */
+#else
+
/* software: moves to PTEA.TC (Timing Control) */
#define _PAGE_PCC_AREA5 0x00000000 /* use BSC registers for area5 */
#define _PAGE_PCC_AREA6 0x80000000 /* use BSC registers for area6 */
@@ -89,7 +93,8 @@
#define _PAGE_PCC_ATR8 0x60000000 /* Attribute Memory space, 8 bit bus */
#define _PAGE_PCC_ATR16 0x60000001 /* Attribute Memory space, 6 bit bus */
-#ifndef CONFIG_X2TLB
+#define _PAGE_PCC_MASK 0xe0000001
+
/* copy the ptea attributes */
static inline unsigned long copy_ptea_attributes(unsigned long x)
{
@@ -231,13 +236,7 @@ static inline unsigned long copy_ptea_attributes(unsigned long x)
_PAGE_EXT_KERN_EXEC))
#define PAGE_KERNEL_PCC(slot, type) \
- __pgprot(_PAGE_PRESENT | _PAGE_DIRTY | \
- _PAGE_ACCESSED | _PAGE_FLAGS_HARD | \
- _PAGE_EXT(_PAGE_EXT_KERN_READ | \
- _PAGE_EXT_KERN_WRITE | \
- _PAGE_EXT_KERN_EXEC) \
- (slot ? _PAGE_PCC_AREA5 : _PAGE_PCC_AREA6) | \
- (type))
+ __pgprot(0)
#elif defined(CONFIG_MMU) /* SH-X TLB */
#define PAGE_NONE __pgprot(_PAGE_PROTNONE | _PAGE_CACHABLE | \
diff --git a/arch/sh/include/asm/processor.h b/arch/sh/include/asm/processor.h
index c9e7cbc4768a..9c7bdfcaebbd 100644
--- a/arch/sh/include/asm/processor.h
+++ b/arch/sh/include/asm/processor.h
@@ -35,7 +35,7 @@ enum cpu_type {
CPU_SH7723, CPU_SH7724, CPU_SH7757, CPU_SHX3,
/* SH4AL-DSP types */
- CPU_SH7343, CPU_SH7722, CPU_SH7366,
+ CPU_SH7343, CPU_SH7722, CPU_SH7366, CPU_SH7372,
/* SH-5 types */
CPU_SH5_101, CPU_SH5_103,
diff --git a/arch/sh/include/asm/processor_32.h b/arch/sh/include/asm/processor_32.h
index e3c73cdd8c90..900f8d72ffe2 100644
--- a/arch/sh/include/asm/processor_32.h
+++ b/arch/sh/include/asm/processor_32.h
@@ -194,15 +194,17 @@ extern unsigned long get_wchan(struct task_struct *p);
#define KSTK_ESP(tsk) (task_pt_regs(tsk)->regs[15])
#if defined(CONFIG_CPU_SH2A) || defined(CONFIG_CPU_SH4)
+
#define PREFETCH_STRIDE L1_CACHE_BYTES
#define ARCH_HAS_PREFETCH
#define ARCH_HAS_PREFETCHW
-static inline void prefetch(void *x)
+
+static inline void prefetch(const void *x)
{
__builtin_prefetch(x, 0, 3);
}
-static inline void prefetchw(void *x)
+static inline void prefetchw(const void *x)
{
__builtin_prefetch(x, 1, 3);
}