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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 10:05:51 +0000
commit5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch)
treea94efe259b9009378be6d90eb30d2b019d95c194 /arch/sh/include/cpu-sh4/cpu/mmu_context.h
parentInitial commit. (diff)
downloadlinux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.tar.xz
linux-5d1646d90e1f2cceb9f0828f4b28318cd0ec7744.zip
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/sh/include/cpu-sh4/cpu/mmu_context.h')
-rw-r--r--arch/sh/include/cpu-sh4/cpu/mmu_context.h79
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/sh/include/cpu-sh4/cpu/mmu_context.h b/arch/sh/include/cpu-sh4/cpu/mmu_context.h
new file mode 100644
index 000000000..421b56d5c
--- /dev/null
+++ b/arch/sh/include/cpu-sh4/cpu/mmu_context.h
@@ -0,0 +1,79 @@
+/* SPDX-License-Identifier: GPL-2.0
+ *
+ * include/asm-sh/cpu-sh4/mmu_context.h
+ *
+ * Copyright (C) 1999 Niibe Yutaka
+ */
+#ifndef __ASM_CPU_SH4_MMU_CONTEXT_H
+#define __ASM_CPU_SH4_MMU_CONTEXT_H
+
+#define MMU_PTEH 0xFF000000 /* Page table entry register HIGH */
+#define MMU_PTEL 0xFF000004 /* Page table entry register LOW */
+#define MMU_TTB 0xFF000008 /* Translation table base register */
+#define MMU_TEA 0xFF00000C /* TLB Exception Address */
+#define MMU_PTEA 0xFF000034 /* PTE assistance register */
+#define MMU_PTEAEX 0xFF00007C /* PTE ASID extension register */
+
+#define MMUCR 0xFF000010 /* MMU Control Register */
+
+#define MMU_TLB_ENTRY_SHIFT 8
+
+#define MMU_ITLB_ADDRESS_ARRAY 0xF2000000
+#define MMU_ITLB_ADDRESS_ARRAY2 0xF2800000
+#define MMU_ITLB_DATA_ARRAY 0xF3000000
+#define MMU_ITLB_DATA_ARRAY2 0xF3800000
+
+#define MMU_UTLB_ADDRESS_ARRAY 0xF6000000
+#define MMU_UTLB_ADDRESS_ARRAY2 0xF6800000
+#define MMU_UTLB_DATA_ARRAY 0xF7000000
+#define MMU_UTLB_DATA_ARRAY2 0xF7800000
+#define MMU_PAGE_ASSOC_BIT 0x80
+
+#ifdef CONFIG_MMU
+#define MMUCR_AT (1 << 0)
+#else
+#define MMUCR_AT (0)
+#endif
+
+#define MMUCR_TI (1 << 2)
+
+#define MMUCR_URB 0x00FC0000
+#define MMUCR_URB_SHIFT 18
+#define MMUCR_URB_NENTRIES 64
+#define MMUCR_URC 0x0000FC00
+#define MMUCR_URC_SHIFT 10
+
+#if defined(CONFIG_32BIT) && defined(CONFIG_CPU_SUBTYPE_ST40)
+#define MMUCR_SE (1 << 4)
+#else
+#define MMUCR_SE (0)
+#endif
+
+#ifdef CONFIG_CPU_HAS_PTEAEX
+#define MMUCR_AEX (1 << 6)
+#else
+#define MMUCR_AEX (0)
+#endif
+
+#ifdef CONFIG_X2TLB
+#define MMUCR_ME (1 << 7)
+#else
+#define MMUCR_ME (0)
+#endif
+
+#ifdef CONFIG_SH_STORE_QUEUES
+#define MMUCR_SQMD (1 << 9)
+#else
+#define MMUCR_SQMD (0)
+#endif
+
+#define MMU_NTLB_ENTRIES 64
+#define MMU_CONTROL_INIT (MMUCR_AT | MMUCR_TI | MMUCR_SQMD | \
+ MMUCR_ME | MMUCR_SE | MMUCR_AEX)
+
+#define TRA 0xff000020
+#define EXPEVT 0xff000024
+#define INTEVT 0xff000028
+
+#endif /* __ASM_CPU_SH4_MMU_CONTEXT_H */
+