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authorMasato Noguchi <Masato.Noguchi@jp.sony.com>2007-07-20 21:39:41 +0200
committerArnd Bergmann <arnd@klappe.arndb.de>2007-07-20 21:42:03 +0200
commitca53da3abb1d49748931ff2acb66d5a6eeeba2a1 (patch)
tree071c3894b1aea8db2b4e9a0cf10789171bb1ab4c /arch/powerpc/platforms
parentcf17df223c8cd56a92f34162f2a362eec9f4b157 (diff)
[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')
-rw-r--r--arch/powerpc/platforms/cell/spufs/spu_restore.c4
-rw-r--r--arch/powerpc/platforms/cell/spufs/spu_restore_dump.h_shipped36
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 7114e033460..21a9c952d88 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 799815e2237..f383b027e8b 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,