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Diffstat (limited to 'arch/blackfin/include/asm/cplbinit.h')
-rw-r--r--arch/blackfin/include/asm/cplbinit.h66
1 files changed, 66 insertions, 0 deletions
diff --git a/arch/blackfin/include/asm/cplbinit.h b/arch/blackfin/include/asm/cplbinit.h
new file mode 100644
index 000000000..f315c83a0
--- /dev/null
+++ b/arch/blackfin/include/asm/cplbinit.h
@@ -0,0 +1,66 @@
+/*
+ * Common CPLB definitions for CPLB init
+ *
+ * Copyright 2006-2008 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#ifndef __ASM_CPLBINIT_H__
+#define __ASM_CPLBINIT_H__
+
+#include <asm/blackfin.h>
+#include <asm/cplb.h>
+#include <linux/threads.h>
+
+#ifdef CONFIG_CPLB_SWITCH_TAB_L1
+# define PDT_ATTR __attribute__((l1_data))
+#else
+# define PDT_ATTR
+#endif
+
+struct cplb_entry {
+ unsigned long data, addr;
+};
+
+struct cplb_boundary {
+ unsigned long eaddr; /* End of this region. */
+ unsigned long data; /* CPLB data value. */
+};
+
+extern struct cplb_boundary dcplb_bounds[];
+extern struct cplb_boundary icplb_bounds[];
+extern int dcplb_nr_bounds, icplb_nr_bounds;
+
+extern struct cplb_entry dcplb_tbl[NR_CPUS][MAX_CPLBS];
+extern struct cplb_entry icplb_tbl[NR_CPUS][MAX_CPLBS];
+extern int first_switched_icplb;
+extern int first_switched_dcplb;
+
+extern int nr_dcplb_miss[], nr_icplb_miss[], nr_icplb_supv_miss[];
+extern int nr_dcplb_prot[], nr_cplb_flush[];
+
+#ifdef CONFIG_MPU
+
+extern int first_mask_dcplb;
+
+extern int page_mask_order;
+extern int page_mask_nelts;
+
+extern unsigned long *current_rwx_mask[NR_CPUS];
+
+extern void flush_switched_cplbs(unsigned int);
+extern void set_mask_dcplbs(unsigned long *, unsigned int);
+
+extern void __noreturn panic_cplb_error(int seqstat, struct pt_regs *);
+
+#endif /* CONFIG_MPU */
+
+extern void bfin_icache_init(struct cplb_entry *icplb_tbl);
+extern void bfin_dcache_init(struct cplb_entry *icplb_tbl);
+
+#if defined(CONFIG_BFIN_DCACHE) || defined(CONFIG_BFIN_ICACHE)
+extern void generate_cplb_tables_all(void);
+extern void generate_cplb_tables_cpu(unsigned int cpu);
+#endif
+#endif