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authorSteven Whitehouse <swhiteho@redhat.com>2006-09-28 14:29:59 +0200
committerSteven Whitehouse <swhiteho@redhat.com>2006-09-28 14:29:59 +0200
commit185a257f2f73bcd89050ad02da5bedbc28fc43fa (patch)
tree5e32586114534ed3f2165614cba3d578f5d87307 /include/asm-sh/cpu-sh4
parent[GFS2] Fix typo in last patch (diff)
parentMerge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/... (diff)
downloadlinux-185a257f2f73bcd89050ad02da5bedbc28fc43fa.tar.xz
linux-185a257f2f73bcd89050ad02da5bedbc28fc43fa.zip
Merge branch 'master' into gfs2
Diffstat (limited to 'include/asm-sh/cpu-sh4')
-rw-r--r--include/asm-sh/cpu-sh4/addrspace.h3
-rw-r--r--include/asm-sh/cpu-sh4/cache.h2
-rw-r--r--include/asm-sh/cpu-sh4/cacheflush.h36
-rw-r--r--include/asm-sh/cpu-sh4/dma-sh7780.h39
-rw-r--r--include/asm-sh/cpu-sh4/dma.h11
-rw-r--r--include/asm-sh/cpu-sh4/shmparam.h19
-rw-r--r--include/asm-sh/cpu-sh4/sq.h23
7 files changed, 69 insertions, 64 deletions
diff --git a/include/asm-sh/cpu-sh4/addrspace.h b/include/asm-sh/cpu-sh4/addrspace.h
index 727634d886ce..bb2e1b03060c 100644
--- a/include/asm-sh/cpu-sh4/addrspace.h
+++ b/include/asm-sh/cpu-sh4/addrspace.h
@@ -22,5 +22,8 @@
#define P4SEG_TLB_DATA 0xf7000000
#define P4SEG_REG_BASE 0xff000000
+#define PA_AREA5_IO 0xb4000000 /* Area 5 IO Memory */
+#define PA_AREA6_IO 0xb8000000 /* Area 6 IO Memory */
+
#endif /* __ASM_CPU_SH4_ADDRSPACE_H */
diff --git a/include/asm-sh/cpu-sh4/cache.h b/include/asm-sh/cpu-sh4/cache.h
index 1fe20359312c..6e9c7e6ee8e4 100644
--- a/include/asm-sh/cpu-sh4/cache.h
+++ b/include/asm-sh/cpu-sh4/cache.h
@@ -22,7 +22,9 @@
#define CCR_CACHE_ICE 0x0100 /* Instruction Cache Enable */
#define CCR_CACHE_ICI 0x0800 /* IC Invalidate */
#define CCR_CACHE_IIX 0x8000 /* IC Index Enable */
+#ifndef CONFIG_CPU_SUBTYPE_SH7780
#define CCR_CACHE_EMODE 0x80000000 /* EMODE Enable */
+#endif
/* Default CCR setup: 8k+16k-byte cache,P1-wb,enable */
#define CCR_CACHE_ENABLE (CCR_CACHE_OCE|CCR_CACHE_ICE)
diff --git a/include/asm-sh/cpu-sh4/cacheflush.h b/include/asm-sh/cpu-sh4/cacheflush.h
index f323567e085f..515fd574267c 100644
--- a/include/asm-sh/cpu-sh4/cacheflush.h
+++ b/include/asm-sh/cpu-sh4/cacheflush.h
@@ -16,40 +16,29 @@
* caching; in which case they're only semi-broken),
* so we need them.
*/
-
-/* Page is 4K, OC size is 16K, there are four lines. */
-#define CACHE_ALIAS 0x00003000
-
-struct page;
-struct mm_struct;
-struct vm_area_struct;
-
-extern void flush_cache_all(void);
-extern void flush_cache_mm(struct mm_struct *mm);
-extern void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
- unsigned long end);
-extern void flush_cache_page(struct vm_area_struct *vma, unsigned long addr, unsigned long pfn);
-extern void flush_dcache_page(struct page *pg);
+void flush_cache_all(void);
+void flush_cache_mm(struct mm_struct *mm);
+void flush_cache_range(struct vm_area_struct *vma, unsigned long start,
+ unsigned long end);
+void flush_cache_page(struct vm_area_struct *vma, unsigned long addr,
+ unsigned long pfn);
+void flush_dcache_page(struct page *pg);
#define flush_dcache_mmap_lock(mapping) do { } while (0)
#define flush_dcache_mmap_unlock(mapping) do { } while (0)
-extern void flush_icache_range(unsigned long start, unsigned long end);
-extern void flush_cache_sigtramp(unsigned long addr);
-extern void flush_icache_user_range(struct vm_area_struct *vma,
- struct page *page, unsigned long addr,
- int len);
+void flush_icache_range(unsigned long start, unsigned long end);
+void flush_cache_sigtramp(unsigned long addr);
+void flush_icache_user_range(struct vm_area_struct *vma, struct page *page,
+ unsigned long addr, int len);
#define flush_icache_page(vma,pg) do { } while (0)
/* Initialization of P3 area for copy_user_page */
-extern void p3_cache_init(void);
+void p3_cache_init(void);
#define PG_mapped PG_arch_1
-/* We provide our own get_unmapped_area to avoid cache alias issue */
-#define HAVE_ARCH_UNMAPPED_AREA
-
#ifdef CONFIG_MMU
extern int remap_area_pages(unsigned long addr, unsigned long phys_addr,
unsigned long size, unsigned long flags);
@@ -61,4 +50,3 @@ static inline int remap_area_pages(unsigned long addr, unsigned long phys_addr,
}
#endif /* CONFIG_MMU */
#endif /* __ASM_CPU_SH4_CACHEFLUSH_H */
-
diff --git a/include/asm-sh/cpu-sh4/dma-sh7780.h b/include/asm-sh/cpu-sh4/dma-sh7780.h
new file mode 100644
index 000000000000..6c90d28331b2
--- /dev/null
+++ b/include/asm-sh/cpu-sh4/dma-sh7780.h
@@ -0,0 +1,39 @@
+#ifndef __ASM_SH_CPU_SH4_DMA_SH7780_H
+#define __ASM_SH_CPU_SH4_DMA_SH7780_H
+
+#define REQ_HE 0x000000C0
+#define REQ_H 0x00000080
+#define REQ_LE 0x00000040
+#define TM_BURST 0x0000020
+#define TS_8 0x00000000
+#define TS_16 0x00000008
+#define TS_32 0x00000010
+#define TS_16BLK 0x00000018
+#define TS_32BLK 0x00100000
+
+/*
+ * The SuperH DMAC supports a number of transmit sizes, we list them here,
+ * with their respective values as they appear in the CHCR registers.
+ *
+ * Defaults to a 64-bit transfer size.
+ */
+enum {
+ XMIT_SZ_8BIT,
+ XMIT_SZ_16BIT,
+ XMIT_SZ_32BIT,
+ XMIT_SZ_128BIT,
+ XMIT_SZ_256BIT,
+};
+
+/*
+ * The DMA count is defined as the number of bytes to transfer.
+ */
+static unsigned int __attribute__ ((used)) ts_shift[] = {
+ [XMIT_SZ_8BIT] = 0,
+ [XMIT_SZ_16BIT] = 1,
+ [XMIT_SZ_32BIT] = 2,
+ [XMIT_SZ_128BIT] = 4,
+ [XMIT_SZ_256BIT] = 5,
+};
+
+#endif /* __ASM_SH_CPU_SH4_DMA_SH7780_H */
diff --git a/include/asm-sh/cpu-sh4/dma.h b/include/asm-sh/cpu-sh4/dma.h
index 0dfe61f14802..3e4b3e6d80c0 100644
--- a/include/asm-sh/cpu-sh4/dma.h
+++ b/include/asm-sh/cpu-sh4/dma.h
@@ -1,11 +1,17 @@
#ifndef __ASM_CPU_SH4_DMA_H
#define __ASM_CPU_SH4_DMA_H
+#define DMAOR_INIT ( 0x8000 | DMAOR_DME )
+
#ifdef CONFIG_CPU_SH4A
#define SH_DMAC_BASE 0xfc808020
+
+#define CHCR_TS_MASK 0x18
+#define CHCR_TS_SHIFT 3
+
+#include <asm/cpu/dma-sh7780.h>
#else
#define SH_DMAC_BASE 0xffa00000
-#endif
/* Definitions for the SuperH DMAC */
#define TM_BURST 0x0000080
@@ -19,8 +25,6 @@
#define DMAOR_COD 0x00000008
-#define DMAOR_INIT ( 0x8000 | DMAOR_DME )
-
/*
* The SuperH DMAC supports a number of transmit sizes, we list them here,
* with their respective values as they appear in the CHCR registers.
@@ -45,5 +49,6 @@ static unsigned int ts_shift[] __attribute__ ((used)) = {
[XMIT_SZ_32BIT] = 2,
[XMIT_SZ_256BIT] = 5,
};
+#endif
#endif /* __ASM_CPU_SH4_DMA_H */
diff --git a/include/asm-sh/cpu-sh4/shmparam.h b/include/asm-sh/cpu-sh4/shmparam.h
deleted file mode 100644
index a5a0aa9425fe..000000000000
--- a/include/asm-sh/cpu-sh4/shmparam.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * include/asm-sh/cpu-sh4/shmparam.h
- *
- * Copyright (C) 1999 Niibe Yutaka
- *
- * This file is subject to the terms and conditions of the GNU General Public
- * License. See the file "COPYING" in the main directory of this archive
- * for more details.
- */
-#ifndef __ASM_CPU_SH4_SHMPARAM_H
-#define __ASM_CPU_SH4_SHMPARAM_H
-
-/*
- * SH-4 has D-cache alias issue
- */
-#define SHMLBA (PAGE_SIZE*4) /* attach addr a multiple of this */
-
-#endif /* __ASM_CPU_SH4_SHMPARAM_H */
-
diff --git a/include/asm-sh/cpu-sh4/sq.h b/include/asm-sh/cpu-sh4/sq.h
index 366b09166d3b..586d6491816a 100644
--- a/include/asm-sh/cpu-sh4/sq.h
+++ b/include/asm-sh/cpu-sh4/sq.h
@@ -17,7 +17,7 @@
* Store queues range from e0000000-e3fffffc, allowing approx. 64MB to be
* mapped to any physical address space. Since data is written (and aligned)
* to 32-byte boundaries, we need to be sure that all allocations are aligned.
- */
+ */
#define SQ_SIZE 32
#define SQ_ALIGN_MASK (~(SQ_SIZE - 1))
#define SQ_ALIGN(addr) (((addr)+SQ_SIZE-1) & SQ_ALIGN_MASK)
@@ -26,23 +26,10 @@
#define SQ_QACR1 (P4SEG_REG_BASE + 0x3c)
#define SQ_ADDRMAX (P4SEG_STORE_QUE + 0x04000000)
-struct sq_mapping {
- const char *name;
-
- unsigned long sq_addr;
- unsigned long addr;
- unsigned int size;
-
- struct list_head list;
-};
-
/* arch/sh/kernel/cpu/sh4/sq.c */
-extern struct sq_mapping *sq_remap(unsigned long phys, unsigned int size, const char *name);
-extern void sq_unmap(struct sq_mapping *map);
-
-extern void sq_clear(unsigned long addr, unsigned int len);
-extern void sq_flush(void *addr);
-extern void sq_flush_range(unsigned long start, unsigned int len);
+unsigned long sq_remap(unsigned long phys, unsigned int size,
+ const char *name, unsigned long flags);
+void sq_unmap(unsigned long vaddr);
+void sq_flush_range(unsigned long start, unsigned int len);
#endif /* __ASM_CPU_SH4_SQ_H */
-