]> git.karo-electronics.de Git - linux-beck.git/commitdiff
MIPS: Netlogic: Remove workarounds for early SoCs
authorJayachandran C <jchandra@broadcom.com>
Mon, 10 Jun 2013 06:41:09 +0000 (06:41 +0000)
committerRalf Baechle <ralf@linux-mips.org>
Thu, 13 Jun 2013 15:46:43 +0000 (17:46 +0200)
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>
arch/mips/netlogic/common/reset.S

index 0ebd50a1d618a084fd5645427dfd9e64925247f3..adb18288a6c0d5f3bc8cdb847518b580adbd1795 100644 (file)
@@ -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
 
        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
        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 */