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-rw-r--r--cpu/bf537/cache.S129
1 files changed, 0 insertions, 129 deletions
diff --git a/cpu/bf537/cache.S b/cpu/bf537/cache.S
deleted file mode 100644
index d9015c6..0000000
--- a/cpu/bf537/cache.S
+++ /dev/null
@@ -1,129 +0,0 @@
-#define ASSEMBLY
-#include <asm/linkage.h>
-#include <config.h>
-#include <asm/blackfin.h>
-#include <asm/mach-common/bits/mpu.h>
-
-.text
-.align 2
-ENTRY(_blackfin_icache_flush_range)
- R2 = -32;
- R2 = R0 & R2;
- P0 = R2;
- P1 = R1;
- CSYNC;
- 1:
- IFLUSH[P0++];
- CC = P0 < P1(iu);
- IF CC JUMP 1b(bp);
- IFLUSH[P0];
- SSYNC;
- RTS;
-
-ENTRY(_blackfin_dcache_flush_range)
- R2 = -32;
- R2 = R0 & R2;
- P0 = R2;
- P1 = R1;
- CSYNC;
-1:
- FLUSH[P0++];
- CC = P0 < P1(iu);
- IF CC JUMP 1b(bp);
- FLUSH[P0];
- SSYNC;
- RTS;
-
-ENTRY(_icache_invalidate)
-ENTRY(_invalidate_entire_icache)
- [--SP] = (R7:5);
-
- P0.L = (IMEM_CONTROL & 0xFFFF);
- P0.H = (IMEM_CONTROL >> 16);
- R7 =[P0];
-
- /*
- * Clear the IMC bit , All valid bits in the instruction
- * cache are set to the invalid state
- */
- BITCLR(R7, IMC_P);
- CLI R6;
- /* SSYNC required before invalidating cache. */
- SSYNC;
- .align 8;
- [P0] = R7;
- SSYNC;
- STI R6;
-
- /* Configures the instruction cache agian */
- R6 = (IMC | ENICPLB);
- R7 = R7 | R6;
-
- CLI R6;
- SSYNC;
- .align 8;
- [P0] = R7;
- SSYNC;
- STI R6;
-
- (R7:5) =[SP++];
- RTS;
-
-/*
- * Invalidate the Entire Data cache by
- * clearing DMC[1:0] bits
- */
-ENTRY(_invalidate_entire_dcache)
-ENTRY(_dcache_invalidate)
- [--SP] = (R7:6);
-
- P0.L = (DMEM_CONTROL & 0xFFFF);
- P0.H = (DMEM_CONTROL >> 16);
- R7 =[P0];
-
- /*
- * Clear the DMC[1:0] bits, All valid bits in the data
- * cache are set to the invalid state
- */
- BITCLR(R7, DMC0_P);
- BITCLR(R7, DMC1_P);
- CLI R6;
- SSYNC;
- .align 8;
- [P0] = R7;
- SSYNC;
- STI R6;
- /* Configures the data cache again */
-
- R6 = (ACACHE_BCACHE | ENDCPLB | PORT_PREF0);
- R7 = R7 | R6;
-
- CLI R6;
- SSYNC;
- .align 8;
- [P0] = R7;
- SSYNC;
- STI R6;
-
- (R7:6) =[SP++];
- RTS;
-
-ENTRY(_blackfin_dcache_invalidate_range)
- R2 = -32;
- R2 = R0 & R2;
- P0 = R2;
- P1 = R1;
- CSYNC;
-1:
- FLUSHINV[P0++];
- CC = P0 < P1(iu);
- IF CC JUMP 1b(bp);
-
- /*
- * If the data crosses a cache line, then we'll be pointing to
- * the last cache line, but won't have flushed/invalidated it yet, so do
- * one more.
- */
- FLUSHINV[P0];
- SSYNC;
- RTS;