diff options
| author |   Masato Noguchi <Masato.Noguchi@jp.sony.com> | 2007-07-20 21:39:41 +0200 |
|---|---|---|
| committer |   Arnd Bergmann <arnd@klappe.arndb.de> | 2007-07-20 21:42:03 +0200 |
| commit | ca53da3abb1d49748931ff2acb66d5a6eeeba2a1 (patch) | |
| tree | 071c3894b1aea8db2b4e9a0cf10789171bb1ab4c /arch/powerpc/platforms/cell/spufs | |
| parent | [CELL] spufs: dont halt decrementer at restore step 47 (diff) | |
| download | linux-dev-ca53da3abb1d49748931ff2acb66d5a6eeeba2a1.tar.xz linux-dev-ca53da3abb1d49748931ff2acb66d5a6eeeba2a1.zip | |
[CELL] spufs: change decrementer restore timing
The SPU decrementer should be restored after the LSCSA DMA has
completed.
Signed-off-by: Masato Noguchi <Masato.Noguchi@jp.sony.com>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Diffstat (limited to 'arch/powerpc/platforms/cell/spufs')
| -rw-r--r-- | arch/powerpc/platforms/cell/spufs/spu_restore.c | 4 | ||||
| -rw-r--r-- | arch/powerpc/platforms/cell/spufs/spu_restore_dump.h_shipped | 36 |
2 files changed, 20 insertions, 20 deletions
diff --git a/arch/powerpc/platforms/cell/spufs/spu_restore.c b/arch/powerpc/platforms/cell/spufs/spu_restore.c index 7114e033460e..21a9c952d88b 100644 --- a/arch/powerpc/platforms/cell/spufs/spu_restore.c +++ b/arch/powerpc/platforms/cell/spufs/spu_restore.c @@ -84,7 +84,7 @@ static inline void restore_decr(void) unsigned int decr_running; unsigned int decr; - /* Restore, Step 6: + /* Restore, Step 6(moved): * If the LSCSA "decrementer running" flag is set * then write the SPU_WrDec channel with the * decrementer value from LSCSA. @@ -318,10 +318,10 @@ int main() build_dma_list(lscsa_ea); /* Step 3. */ restore_upper_240kb(lscsa_ea); /* Step 4. */ /* Step 5: done by 'exit'. */ - restore_decr(); /* Step 6. */ enqueue_putllc(lscsa_ea); /* Step 7. */ set_tag_update(); /* Step 8. */ read_tag_status(); /* Step 9. */ + restore_decr(); /* moved Step 6. */ read_llar_status(); /* Step 10. */ write_ppu_mb(); /* Step 11. */ write_ppuint_mb(); /* Step 12. */ diff --git a/arch/powerpc/platforms/cell/spufs/spu_restore_dump.h_shipped b/arch/powerpc/platforms/cell/spufs/spu_restore_dump.h_shipped index 799815e22377..f383b027e8bf 100644 --- a/arch/powerpc/platforms/cell/spufs/spu_restore_dump.h_shipped +++ b/arch/powerpc/platforms/cell/spufs/spu_restore_dump.h_shipped @@ -93,26 +93,21 @@ static unsigned int spu_restore_code[] __attribute__((__aligned__(128))) = { 0x18020204, 0x24000282, 0x217ffa09, -0x04000403, -0x21a00803, -0x3fbe0502, -0x3fe30102, -0x04000105, -0x21a00885, +0x04000402, +0x21a00802, +0x3fbe0504, +0x3fe30204, +0x21a00884, 0x42074002, 0x21a00902, 0x40803c03, 0x21a00983, -0x04000484, -0x21a00a04, +0x04000485, +0x21a00a05, 0x40802202, 0x21a00a82, -0x30809c03, -0x34000182, -0x14004102, -0x21002782, -0x21a00804, -0x21a00885, +0x21a00805, +0x21a00884, 0x3fbf0582, 0x3f200102, 0x3fbe0102, @@ -120,13 +115,17 @@ static unsigned int spu_restore_code[] __attribute__((__aligned__(128))) = { 0x21a00902, 0x40804003, 0x21a00983, -0x21a00a04, +0x21a00a05, 0x40805a02, 0x21a00a82, 0x40800083, 0x21a00b83, 0x01a00c02, -0x01a00d84, +0x30809c03, +0x34000182, +0x14004102, +0x21002082, +0x01a00d82, 0x3080a003, 0x34000182, 0x21a00e02, @@ -145,9 +144,10 @@ static unsigned int spu_restore_code[] __attribute__((__aligned__(128))) = { 0x3080aa03, 0x34000182, 0x21a00b02, +0x4020007f, 0x3080ae02, -0x3080ac04, 0x42004805, +0x3080ac04, 0x34000103, 0x34000202, 0x1cffc183, @@ -193,7 +193,7 @@ static unsigned int spu_restore_code[] __attribute__((__aligned__(128))) = { 0x34000182, 0x21a00382, 0x4020007f, -0x327fd700, +0x327fde00, 0x409ffe02, 0x30801203, 0x40800206, |