11 files changed, 293 insertions, 0 deletions

diff --git a/arch/sh/include/cpu-sh2/cpu/addrspace.h b/arch/sh/include/cpu-sh2/cpu/addrspace.h
new file mode 100644
index 000000000000..2b9ab93efa4e
--- /dev/null
+++ b/arch/sh/include/cpu-sh2/cpu/addrspace.h
@@ -0,0 +1,19 @@
+/*
+ * Definitions for the address spaces of the SH-2 CPUs.
+ *
+ * Copyright (C) 2003  Paul Mundt
+ *
+ * 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_SH2_ADDRSPACE_H
+#define __ASM_CPU_SH2_ADDRSPACE_H
+
+#define P0SEG           0x00000000
+#define P1SEG           0x80000000
+#define P2SEG           0xa0000000
+#define P3SEG           0xc0000000
+#define P4SEG           0xe0000000
+
+#endif /* __ASM_CPU_SH2_ADDRSPACE_H */
diff --git a/arch/sh/include/cpu-sh2/cpu/cache.h b/arch/sh/include/cpu-sh2/cpu/cache.h
new file mode 100644
index 000000000000..4e0b16500686
--- /dev/null
+++ b/arch/sh/include/cpu-sh2/cpu/cache.h
@@ -0,0 +1,41 @@
+/*
+ * include/asm-sh/cpu-sh2/cache.h
+ *
+ * Copyright (C) 2003 Paul Mundt
+ *
+ * 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_SH2_CACHE_H
+#define __ASM_CPU_SH2_CACHE_H
+
+#define L1_CACHE_SHIFT  4
+
+#define SH_CACHE_VALID          1
+#define SH_CACHE_UPDATED        2
+#define SH_CACHE_COMBINED       4
+#define SH_CACHE_ASSOC          8
+
+#if defined(CONFIG_CPU_SUBTYPE_SH7619)
+#define CCR             0xffffffec
+
+#define CCR_CACHE_CE    0x01    /* Cache enable */
+#define CCR_CACHE_WT    0x06    /* CCR[bit1=1,bit2=1] */
+                                /* 0x00000000-0x7fffffff: Write-through  */
+                                /* 0x80000000-0x9fffffff: Write-back     */
+                                /* 0xc0000000-0xdfffffff: Write-through  */
+#define CCR_CACHE_CB    0x00    /* CCR[bit1=0,bit2=0] */
+                                /* 0x00000000-0x7fffffff: Write-back     */
+                                /* 0x80000000-0x9fffffff: Write-through  */
+                                /* 0xc0000000-0xdfffffff: Write-back     */
+#define CCR_CACHE_CF    0x08    /* Cache invalidate */
+
+#define CACHE_OC_ADDRESS_ARRAY  0xf0000000
+#define CACHE_OC_DATA_ARRAY     0xf1000000
+
+#define CCR_CACHE_ENABLE        CCR_CACHE_CE
+#define CCR_CACHE_INVALIDATE    CCR_CACHE_CF
+#endif
+
+#endif /* __ASM_CPU_SH2_CACHE_H */
diff --git a/arch/sh/include/cpu-sh2/cpu/cacheflush.h b/arch/sh/include/cpu-sh2/cpu/cacheflush.h
new file mode 100644
index 000000000000..2979efb26de3
--- /dev/null
+++ b/arch/sh/include/cpu-sh2/cpu/cacheflush.h
@@ -0,0 +1,44 @@
+/*
+ * include/asm-sh/cpu-sh2/cacheflush.h
+ *
+ * Copyright (C) 2003 Paul Mundt
+ *
+ * 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_SH2_CACHEFLUSH_H
+#define __ASM_CPU_SH2_CACHEFLUSH_H
+
+/* 
+ * Cache flushing:
+ *
+ *  - flush_cache_all() flushes entire cache
+ *  - flush_cache_mm(mm) flushes the specified mm context's cache lines
+ *  - flush_cache_dup mm(mm) handles cache flushing when forking
+ *  - flush_cache_page(mm, vmaddr, pfn) flushes a single page
+ *  - flush_cache_range(vma, start, end) flushes a range of pages
+ *
+ *  - flush_dcache_page(pg) flushes(wback&invalidates) a page for dcache
+ *  - flush_icache_range(start, end) flushes(invalidates) a range for icache
+ *  - flush_icache_page(vma, pg) flushes(invalidates) a page for icache
+ *
+ *  Caches are indexed (effectively) by physical address on SH-2, so
+ *  we don't need them.
+ */
+#define flush_cache_all()                       do { } while (0)
+#define flush_cache_mm(mm)                      do { } while (0)
+#define flush_cache_dup_mm(mm)                  do { } while (0)
+#define flush_cache_range(vma, start, end)      do { } while (0)
+#define flush_cache_page(vma, vmaddr, pfn)      do { } while (0)
+#define flush_dcache_page(page)                 do { } while (0)
+#define flush_dcache_mmap_lock(mapping)         do { } while (0)
+#define flush_dcache_mmap_unlock(mapping)       do { } while (0)
+#define flush_icache_range(start, end)          do { } while (0)
+#define flush_icache_page(vma,pg)               do { } while (0)
+#define flush_icache_user_range(vma,pg,adr,len) do { } while (0)
+#define flush_cache_sigtramp(vaddr)             do { } while (0)
+
+#define p3_cache_init()                         do { } while (0)
+#endif /* __ASM_CPU_SH2_CACHEFLUSH_H */
+
diff --git a/arch/sh/include/cpu-sh2/cpu/dma.h b/arch/sh/include/cpu-sh2/cpu/dma.h
new file mode 100644
index 000000000000..d66b43cdc637
--- /dev/null
+++ b/arch/sh/include/cpu-sh2/cpu/dma.h
@@ -0,0 +1,23 @@
+/*
+ * Definitions for the SH-2 DMAC.
+ *
+ * Copyright (C) 2003  Paul Mundt
+ *
+ * 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_SH2_DMA_H
+#define __ASM_CPU_SH2_DMA_H
+
+#define SH_MAX_DMA_CHANNELS     2
+
+#define SAR     ((unsigned long[]){ 0xffffff80, 0xffffff90 })
+#define DAR     ((unsigned long[]){ 0xffffff84, 0xffffff94 })
+#define DMATCR  ((unsigned long[]){ 0xffffff88, 0xffffff98 })
+#define CHCR    ((unsigned long[]){ 0xfffffffc, 0xffffff9c })
+
+#define DMAOR   0xffffffb0
+
+#endif /* __ASM_CPU_SH2_DMA_H */
+
diff --git a/arch/sh/include/cpu-sh2/cpu/freq.h b/arch/sh/include/cpu-sh2/cpu/freq.h
new file mode 100644
index 000000000000..31de475da70b
--- /dev/null
+++ b/arch/sh/include/cpu-sh2/cpu/freq.h
@@ -0,0 +1,18 @@
+/*
+ * include/asm-sh/cpu-sh2/freq.h
+ *
+ * Copyright (C) 2006  Yoshinori Sato
+ *
+ * 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_SH2_FREQ_H
+#define __ASM_CPU_SH2_FREQ_H
+
+#if defined(CONFIG_CPU_SUBTYPE_SH7619)
+#define FREQCR  0xf815ff80
+#endif
+
+#endif /* __ASM_CPU_SH2_FREQ_H */
+
diff --git a/arch/sh/include/cpu-sh2/cpu/mmu_context.h b/arch/sh/include/cpu-sh2/cpu/mmu_context.h
new file mode 100644
index 000000000000..beeb299e01ec
--- /dev/null
+++ b/arch/sh/include/cpu-sh2/cpu/mmu_context.h
@@ -0,0 +1,16 @@
+/*
+ * include/asm-sh/cpu-sh2/mmu_context.h
+ *
+ * Copyright (C) 2003  Paul Mundt
+ *
+ * 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_SH2_MMU_CONTEXT_H
+#define __ASM_CPU_SH2_MMU_CONTEXT_H
+
+/* No MMU */
+
+#endif /* __ASM_CPU_SH2_MMU_CONTEXT_H */
+
diff --git a/arch/sh/include/cpu-sh2/cpu/rtc.h b/arch/sh/include/cpu-sh2/cpu/rtc.h
new file mode 100644
index 000000000000..39e2d6e94782
--- /dev/null
+++ b/arch/sh/include/cpu-sh2/cpu/rtc.h
@@ -0,0 +1,8 @@
+#ifndef __ASM_SH_CPU_SH2_RTC_H
+#define __ASM_SH_CPU_SH2_RTC_H
+
+#define rtc_reg_size            sizeof(u16)
+#define RTC_BIT_INVERTED        0
+#define RTC_DEF_CAPABILITIES    0UL
+
+#endif /* __ASM_SH_CPU_SH2_RTC_H */
diff --git a/arch/sh/include/cpu-sh2/cpu/sigcontext.h b/arch/sh/include/cpu-sh2/cpu/sigcontext.h
new file mode 100644
index 000000000000..fe5c15dd6e87
--- /dev/null
+++ b/arch/sh/include/cpu-sh2/cpu/sigcontext.h
@@ -0,0 +1,17 @@
+#ifndef __ASM_CPU_SH2_SIGCONTEXT_H
+#define __ASM_CPU_SH2_SIGCONTEXT_H
+
+struct sigcontext {
+        unsigned long   oldmask;
+
+        /* CPU registers */
+        unsigned long sc_regs[16];
+        unsigned long sc_pc;
+        unsigned long sc_pr;
+        unsigned long sc_sr;
+        unsigned long sc_gbr;
+        unsigned long sc_mach;
+        unsigned long sc_macl;
+};
+
+#endif /* __ASM_CPU_SH2_SIGCONTEXT_H */
diff --git a/arch/sh/include/cpu-sh2/cpu/timer.h b/arch/sh/include/cpu-sh2/cpu/timer.h
new file mode 100644
index 000000000000..a39c241e8195
--- /dev/null
+++ b/arch/sh/include/cpu-sh2/cpu/timer.h
@@ -0,0 +1,6 @@
+#ifndef __ASM_CPU_SH2_TIMER_H
+#define __ASM_CPU_SH2_TIMER_H
+
+/* Nothing needed yet */
+
+#endif /* __ASM_CPU_SH2_TIMER_H */
diff --git a/arch/sh/include/cpu-sh2/cpu/ubc.h b/arch/sh/include/cpu-sh2/cpu/ubc.h
new file mode 100644
index 000000000000..ba0e87f19c7a
--- /dev/null
+++ b/arch/sh/include/cpu-sh2/cpu/ubc.h
@@ -0,0 +1,32 @@
+/*
+ * include/asm-sh/cpu-sh2/ubc.h
+ *
+ * Copyright (C) 2003 Paul Mundt
+ *
+ * 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_SH2_UBC_H
+#define __ASM_CPU_SH2_UBC_H
+
+#define UBC_BARA                0xffffff40
+#define UBC_BAMRA               0xffffff44
+#define UBC_BBRA                0xffffff48
+#define UBC_BARB                0xffffff60
+#define UBC_BAMRB               0xffffff64
+#define UBC_BBRB                0xffffff68
+#define UBC_BDRB                0xffffff70
+#define UBC_BDMRB               0xffffff74
+#define UBC_BRCR                0xffffff78
+
+/*
+ * We don't have any ASID changes to make in the UBC on the SH-2.
+ *
+ * Make these purposely invalid to track misuse.
+ */
+#define UBC_BASRA               0x00000000
+#define UBC_BASRB               0x00000000
+
+#endif /* __ASM_CPU_SH2_UBC_H */
+
diff --git a/arch/sh/include/cpu-sh2/cpu/watchdog.h b/arch/sh/include/cpu-sh2/cpu/watchdog.h
new file mode 100644
index 000000000000..393161c9c6d0
--- /dev/null
+++ b/arch/sh/include/cpu-sh2/cpu/watchdog.h
@@ -0,0 +1,69 @@
+/*
+ * include/asm-sh/cpu-sh2/watchdog.h
+ *
+ * Copyright (C) 2002, 2003 Paul Mundt
+ *
+ * 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_SH2_WATCHDOG_H
+#define __ASM_CPU_SH2_WATCHDOG_H
+
+/*
+ * More SH-2 brilliance .. its not good enough that we can't read
+ * and write the same sizes to WTCNT, now we have to read and write
+ * with different sizes at different addresses for WTCNT _and_ RSTCSR.
+ *
+ * At least on the bright side no one has managed to screw over WTCSR
+ * in this fashion .. yet.
+ */
+/* Register definitions */
+#define WTCNT           0xfffffe80
+#define WTCSR           0xfffffe80
+#define RSTCSR          0xfffffe82
+
+#define WTCNT_R         (WTCNT + 1)
+#define RSTCSR_R        (RSTCSR + 1)
+
+/* Bit definitions */
+#define WTCSR_IOVF      0x80
+#define WTCSR_WT        0x40
+#define WTCSR_TME       0x20
+#define WTCSR_RSTS      0x00
+
+#define RSTCSR_RSTS     0x20
+
+/**
+ *      sh_wdt_read_rstcsr - Read from Reset Control/Status Register
+ *
+ *      Reads back the RSTCSR value.
+ */
+static inline __u8 sh_wdt_read_rstcsr(void)
+{
+        /*
+         * Same read/write brain-damage as for WTCNT here..
+         */
+        return ctrl_inb(RSTCSR_R);
+}
+
+/**
+ *      sh_wdt_write_csr - Write to Reset Control/Status Register
+ *
+ *      @val: Value to write
+ *
+ *      Writes the given value @val to the lower byte of the control/status
+ *      register. The upper byte is set manually on each write.
+ */
+static inline void sh_wdt_write_rstcsr(__u8 val)
+{
+        /*
+         * Note: Due to the brain-damaged nature of this register,
+         * we can't presently touch the WOVF bit, since the upper byte
+         * has to be swapped for this. So just leave it alone..
+         */
+        ctrl_outw((WTCNT_HIGH << 8) | (__u16)val, RSTCSR);
+}
+
+#endif /* __ASM_CPU_SH2_WATCHDOG_H */
+