aboutsummaryrefslogtreecommitdiff
path: root/arch/blackfin/include/asm/cplbinit.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/blackfin/include/asm/cplbinit.h')
-rw-r--r--arch/blackfin/include/asm/cplbinit.h83
1 files changed, 39 insertions, 44 deletions
diff --git a/arch/blackfin/include/asm/cplbinit.h b/arch/blackfin/include/asm/cplbinit.h
index f845b41147b..05b14a631d0 100644
--- a/arch/blackfin/include/asm/cplbinit.h
+++ b/arch/blackfin/include/asm/cplbinit.h
@@ -32,61 +32,56 @@
#include <asm/blackfin.h>
#include <asm/cplb.h>
+#include <linux/threads.h>
-#ifdef CONFIG_MPU
-
-#include <asm/cplb-mpu.h>
-
+#ifdef CONFIG_CPLB_SWITCH_TAB_L1
+# define PDT_ATTR __attribute__((l1_data))
#else
+# define PDT_ATTR
+#endif
-#define INITIAL_T 0x1
-#define SWITCH_T 0x2
-#define I_CPLB 0x4
-#define D_CPLB 0x8
-
-#define IN_KERNEL 1
-
-enum
-{ZERO_P, L1I_MEM, L1D_MEM, SDRAM_KERN , SDRAM_RAM_MTD, SDRAM_DMAZ, RES_MEM, ASYNC_MEM, L2_MEM};
-
-struct cplb_desc {
- u32 start; /* start address */
- u32 end; /* end address */
- u32 psize; /* prefered size if any otherwise 1MB or 4MB*/
- u16 attr;/* attributes */
- u16 i_conf;/* I-CPLB DATA */
- u16 d_conf;/* D-CPLB DATA */
- u16 valid;/* valid */
- const s8 name[30];/* name */
+struct cplb_entry {
+ unsigned long data, addr;
};
-struct cplb_tab {
- u_long *tab;
- u16 pos;
- u16 size;
+struct cplb_boundary {
+ unsigned long eaddr; /* End of this region. */
+ unsigned long data; /* CPLB data value. */
};
-extern u_long icplb_table[];
-extern u_long dcplb_table[];
+extern struct cplb_boundary dcplb_bounds[];
+extern struct cplb_boundary icplb_bounds[];
+extern int dcplb_nr_bounds, icplb_nr_bounds;
-/* Till here we are discussing about the static memory management model.
- * However, the operating envoronments commonly define more CPLB
- * descriptors to cover the entire addressable memory than will fit into
- * the available on-chip 16 CPLB MMRs. When this happens, the below table
- * will be used which will hold all the potentially required CPLB descriptors
- *
- * This is how Page descriptor Table is implemented in uClinux/Blackfin.
- */
+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 u_long ipdt_table[];
-extern u_long dpdt_table[];
-#ifdef CONFIG_CPLB_INFO
-extern u_long ipdt_swapcount_table[];
-extern u_long dpdt_swapcount_table[];
-#endif
+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 generate_cplb_tables(void);
+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