[src/trunk]: src/sys/arch/arm cortex doesn't need xscale_setup

[matt <matt%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/66f1a4b7529c
branches:  trunk
changeset: 795003:66f1a4b7529c
user:      matt <matt%NetBSD.org@localhost>
date:      Sat Mar 29 23:44:37 2014 +0000

description:
cortex doesn't need xscale_setup
use arm11_setttb for arm11x6.

diffstat:

 sys/arch/arm/arm/cpufunc.c     |  29 ++++++++++-------------------
 sys/arch/arm/include/cpufunc.h |  10 ++++------
 2 files changed, 14 insertions(+), 25 deletions(-)

diffs (139 lines):

diff -r 799ad4ced81b -r 66f1a4b7529c sys/arch/arm/arm/cpufunc.c
--- a/sys/arch/arm/arm/cpufunc.c        Sat Mar 29 23:33:20 2014 +0000
+++ b/sys/arch/arm/arm/cpufunc.c        Sat Mar 29 23:44:37 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cpufunc.c,v 1.141 2014/03/28 21:49:22 matt Exp $       */
+/*     $NetBSD: cpufunc.c,v 1.142 2014/03/29 23:44:37 matt Exp $       */
 
 /*
  * arm7tdmi support code Copyright (c) 2001 John Fremlin
@@ -49,7 +49,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cpufunc.c,v 1.141 2014/03/28 21:49:22 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cpufunc.c,v 1.142 2014/03/29 23:44:37 matt Exp $");
 
 #include "opt_compat_netbsd.h"
 #include "opt_cpuoptions.h"
@@ -792,7 +792,7 @@
 
        .cf_control             = cpufunc_control,
        .cf_domains             = cpufunc_domains,
-       .cf_setttb              = arm11x6_setttb,
+       .cf_setttb              = arm11_setttb,
        .cf_faultstatus         = cpufunc_faultstatus,
        .cf_faultaddress        = cpufunc_faultaddress,
 
@@ -3138,8 +3138,7 @@
 arm11x6_setup(char *args)
 {
        int cpuctrl, cpuctrl_wax;
-       uint32_t auxctrl, auxctrl_wax;
-       uint32_t tmp, tmp2;
+       uint32_t auxctrl;
        uint32_t sbz=0;
        uint32_t cpuid;
 
@@ -3183,8 +3182,7 @@
                cpuctrl |= CPU_CONTROL_VECRELOC;
 #endif
 
-       auxctrl = 0;
-       auxctrl_wax = ~0;
+       auxctrl = armreg_auxctl_read();
        /*
         * This options enables the workaround for the 364296 ARM1136
         * r0pX errata (possible cache data corruption with
@@ -3196,16 +3194,14 @@
         */
        if ((cpuid & CPU_ID_CPU_MASK) == CPU_ID_ARM1136JS) { /* ARM1136JSr0pX */
                cpuctrl |= CPU_CONTROL_FI_ENABLE;
-               auxctrl = ARM1136_AUXCTL_PFI;
-               auxctrl_wax = ~ARM1136_AUXCTL_PFI;
+               auxctrl |= ARM1136_AUXCTL_PFI;
        }
 
        /*
         * Enable an errata workaround
         */
        if ((cpuid & CPU_ID_CPU_MASK) == CPU_ID_ARM1176JZS) { /* ARM1176JZSr0 */
-               auxctrl = ARM1176_AUXCTL_PHD;
-               auxctrl_wax = ~ARM1176_AUXCTL_PHD;
+               auxctrl |= ARM1176_AUXCTL_PHD;
        }
 
        /* Clear out the cache */
@@ -3221,13 +3217,8 @@
        curcpu()->ci_ctrl = cpuctrl;
        cpu_control(~cpuctrl_wax, cpuctrl);
 
-       __asm volatile ("mrc    p15, 0, %0, c1, c0, 1\n\t"
-                       "and    %1, %0, %2\n\t"
-                       "orr    %1, %1, %3\n\t"
-                       "teq    %0, %1\n\t"
-                       "mcrne  p15, 0, %1, c1, c0, 1\n\t"
-                       : "=r"(tmp), "=r"(tmp2) :
-                         "r"(auxctrl_wax), "r"(auxctrl));
+       /* Update auxctlr */
+       armreg_auxctl_write(auxctrl);
 
        /* And again. */
        cpu_idcache_wbinv_all();
@@ -3468,7 +3459,7 @@
 #endif /* CPU_IXP12X0 */
 
 #if defined(CPU_XSCALE_80200) || defined(CPU_XSCALE_80321) || \
-    defined(__CPU_XSCALE_PXA2XX) || defined(CPU_XSCALE_IXP425) || defined(CPU_CORTEX)
+    defined(__CPU_XSCALE_PXA2XX) || defined(CPU_XSCALE_IXP425)
 struct cpu_option xscale_options[] = {
 #ifdef COMPAT_12
        { "branchpredict",      BIC, OR,  CPU_CONTROL_BPRD_ENABLE },
diff -r 799ad4ced81b -r 66f1a4b7529c sys/arch/arm/include/cpufunc.h
--- a/sys/arch/arm/include/cpufunc.h    Sat Mar 29 23:33:20 2014 +0000
+++ b/sys/arch/arm/include/cpufunc.h    Sat Mar 29 23:44:37 2014 +0000
@@ -501,7 +501,7 @@
 #endif
 
 #if defined(CPU_CORTEX) || defined(CPU_PJ4B)
-void   armv7_dcache_wbinv_all (void);
+void   armv7_dcache_wbinv_all(void);
 void   armv7_idcache_wbinv_all(void);
 #endif
 
@@ -534,7 +534,6 @@
 #endif /* CPU_PJ4B */
 
 #if defined(CPU_ARM1136) || defined(CPU_ARM1176)
-void   arm11x6_setttb                  (u_int, bool);
 void   arm11x6_idcache_wbinv_all       (void);
 void   arm11x6_dcache_wbinv_all        (void);
 void   arm11x6_icache_sync_all         (void);
@@ -554,7 +553,7 @@
     defined(CPU_FA526) || \
     defined(CPU_XSCALE_80200) || defined(CPU_XSCALE_80321) || \
     defined(__CPU_XSCALE_PXA2XX) || defined(CPU_XSCALE_IXP425) || \
-    defined(CPU_CORTEX) || defined(CPU_SHEEVA)
+    defined(CPU_SHEEVA)
 
 void   armv4_tlb_flushID       (void);
 void   armv4_tlb_flushI        (void);
@@ -571,8 +570,7 @@
 #endif
 
 #if defined(CPU_XSCALE_80200) || defined(CPU_XSCALE_80321) || \
-    defined(__CPU_XSCALE_PXA2XX) || defined(CPU_XSCALE_IXP425) || \
-    defined(CPU_CORTEX)
+    defined(__CPU_XSCALE_PXA2XX) || defined(CPU_XSCALE_IXP425)
 
 void   xscale_cpwait           (void);
 #define        cpu_cpwait()            cpufuncs.cf_cpwait()
@@ -612,7 +610,7 @@
 void   xscale_context_switch   (u_int);
 
 void   xscale_setup            (char *);
-#endif /* CPU_XSCALE_80200 || CPU_XSCALE_80321 || __CPU_XSCALE_PXA2XX || CPU_XSCALE_IXP425 || CPU_CORTEX */
+#endif /* CPU_XSCALE_80200 || CPU_XSCALE_80321 || __CPU_XSCALE_PXA2XX || CPU_XSCALE_IXP425 */
 
 #if defined(CPU_SHEEVA)
 void   sheeva_dcache_wbinv_range (vaddr_t, vsize_t);