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Diffstat (limited to 'arch/sh/include/cpu-sh2/cpu')
-rw-r--r--arch/sh/include/cpu-sh2/cpu/addrspace.h19
-rw-r--r--arch/sh/include/cpu-sh2/cpu/cache.h41
-rw-r--r--arch/sh/include/cpu-sh2/cpu/cacheflush.h44
-rw-r--r--arch/sh/include/cpu-sh2/cpu/dma.h23
-rw-r--r--arch/sh/include/cpu-sh2/cpu/freq.h18
-rw-r--r--arch/sh/include/cpu-sh2/cpu/mmu_context.h16
-rw-r--r--arch/sh/include/cpu-sh2/cpu/rtc.h8
-rw-r--r--arch/sh/include/cpu-sh2/cpu/sigcontext.h17
-rw-r--r--arch/sh/include/cpu-sh2/cpu/timer.h6
-rw-r--r--arch/sh/include/cpu-sh2/cpu/ubc.h32
-rw-r--r--arch/sh/include/cpu-sh2/cpu/watchdog.h69
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 00000000000..2b9ab93efa4
--- /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 00000000000..4e0b1650068
--- /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 00000000000..2979efb26de
--- /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 00000000000..d66b43cdc63
--- /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 00000000000..31de475da70
--- /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 00000000000..beeb299e01e
--- /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 00000000000..39e2d6e9478
--- /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 00000000000..fe5c15dd6e8
--- /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 00000000000..a39c241e819
--- /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 00000000000..ba0e87f19c7
--- /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 00000000000..393161c9c6d
--- /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 */
+