diff options
Diffstat (limited to 'cpu/bf537/cache.S')
-rw-r--r-- | cpu/bf537/cache.S | 129 |
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; |