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authorJayachandran C <jchandra@broadcom.com>2013-06-10 06:41:09 +0000
committerRalf Baechle <ralf@linux-mips.org>2013-06-13 17:46:43 +0200
commit6099115e7e5e2c49d3822e093ca7df7015ca57a9 (patch)
treee5dbf33baf3549f2830fca700fb66fc42804f3f8 /arch/mips/netlogic
parent722138340b9f08d081255ba50928831a972c2e6f (diff)
downloadblackbird-op-linux-6099115e7e5e2c49d3822e093ca7df7015ca57a9.tar.gz
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MIPS: Netlogic: Remove workarounds for early SoCs
The XLPs in production do not need these workarounds. Remove the code and the associated ifdef. Signed-off-by: Jayachandran C <jchandra@broadcom.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/5430/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/netlogic')
-rw-r--r--arch/mips/netlogic/common/reset.S23
1 files changed, 1 insertions, 22 deletions
diff --git a/arch/mips/netlogic/common/reset.S b/arch/mips/netlogic/common/reset.S
index 0ebd50a1d618..adb18288a6c0 100644
--- a/arch/mips/netlogic/common/reset.S
+++ b/arch/mips/netlogic/common/reset.S
@@ -54,8 +54,6 @@
XLP_IO_SYS_OFFSET(node) + XLP_IO_PCI_HDRSZ + \
SYS_CPU_NONCOHERENT_MODE * 4
-#define XLP_AX_WORKAROUND /* enable Ax silicon workarounds */
-
/* Enable XLP features and workarounds in the LSU */
.macro xlp_config_lsu
li t0, LSU_DEFEATURE
@@ -63,10 +61,6 @@
lui t2, 0xc080 /* SUE, Enable Unaligned Access, L2HPE */
or t1, t1, t2
-#ifdef XLP_AX_WORKAROUND
- li t2, ~0xe /* S1RCM */
- and t1, t1, t2
-#endif
mtcr t1, t0
li t0, ICU_DEFEATURE
@@ -74,12 +68,9 @@
ori t1, 0x1000 /* Enable Icache partitioning */
mtcr t1, t0
-
-#ifdef XLP_AX_WORKAROUND
li t0, SCHED_DEFEATURE
lui t1, 0x0100 /* Disable BRU accepting ALU ops */
mtcr t1, t0
-#endif
.endm
/*
@@ -195,19 +186,7 @@ EXPORT(nlm_boot_siblings)
mfc0 v0, CP0_EBASE, 1
andi v0, 0x3ff /* v0 <- node/core */
- /* Init MMU in the first thread after changing THREAD_MODE
- * register (Ax Errata?)
- */
- andi v1, v0, 0x3 /* v1 <- thread id */
- bnez v1, 2f
- nop
-
- li t0, MMU_SETUP
- li t1, 0
- mtcr t1, t0
- _ehb
-
-2: beqz v0, 4f /* boot cpu (cpuid == 0)? */
+ beqz v0, 4f /* boot cpu (cpuid == 0)? */
nop
/* setup status reg */
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