[src/trunk]: src/sys/arch/evbarm/cubie Use KERNEL_BASE_VOFFSET. s/bbs/bss

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

details:   https://anonhg.NetBSD.org/src/rev/c30c25b918d3
branches:  trunk
changeset: 795556:c30c25b918d3
user:      matt <matt%NetBSD.org@localhost>
date:      Fri Apr 18 06:53:13 2014 +0000

description:
Use KERNEL_BASE_VOFFSET.  s/bbs/bss
Move temp_l1_table to last 16KB before 128mb after kernel_base.

diffstat:

 sys/arch/evbarm/cubie/cubie_machdep.c |  13 ++++---------
 sys/arch/evbarm/cubie/cubie_start.S   |  22 +++++++---------------
 2 files changed, 11 insertions(+), 24 deletions(-)

diffs (122 lines):

diff -r 76249491b6a6 -r c30c25b918d3 sys/arch/evbarm/cubie/cubie_machdep.c
--- a/sys/arch/evbarm/cubie/cubie_machdep.c     Fri Apr 18 06:23:32 2014 +0000
+++ b/sys/arch/evbarm/cubie/cubie_machdep.c     Fri Apr 18 06:53:13 2014 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: cubie_machdep.c,v 1.16 2014/04/11 04:19:48 matt Exp $ */
+/*     $NetBSD: cubie_machdep.c,v 1.17 2014/04/18 06:53:13 matt Exp $ */
 
 /*
  * Machine dependent functions for kernel setup for TI OSK5912 board.
@@ -125,7 +125,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: cubie_machdep.c,v 1.16 2014/04/11 04:19:48 matt Exp $");
+__KERNEL_RCSID(0, "$NetBSD: cubie_machdep.c,v 1.17 2014/04/18 06:53:13 matt Exp $");
 
 #include "opt_machdep.h"
 #include "opt_ddb.h"
@@ -194,7 +194,7 @@
 bool cubietruck_p;
 /*
  * uboot_args are filled in by cubie_start.S and must be in .data
- * and not .bbs since .bss is cleared after uboot_args are filled in.
+ * and not .bss since .bss is cleared after uboot_args are filled in.
  */
 uintptr_t uboot_args[4] = { 0 };
 
@@ -216,11 +216,6 @@
  * kernel address space.  *Not* for general use.
  */
 #define KERNEL_BASE_PHYS       ((paddr_t)KERNEL_BASE_phys)
-#ifdef KERNEL_BASES_EQUAL
-#define KERNEL_PHYS_VOFFSET    0
-#else
-#define KERNEL_PHYS_VOFFSET    (KERNEL_BASE - AWIN_SDRAM_PBASE)
-#endif
 #define AWIN_CORE_VOFFSET      (AWIN_CORE_VBASE - AWIN_CORE_PBASE)
 
 /* Prototypes */
@@ -405,7 +400,7 @@
                 */
                if (uboot_args[3] - AWIN_SDRAM_PBASE < ram_size) {
                        const char * const args = (const char *)
-                            (uboot_args[3] + KERNEL_PHYS_VOFFSET);
+                            (uboot_args[3] + KERNEL_BASE_VOFFSET);
                        strlcpy(bootargs, args, sizeof(bootargs));
                }
        }
diff -r 76249491b6a6 -r c30c25b918d3 sys/arch/evbarm/cubie/cubie_start.S
--- a/sys/arch/evbarm/cubie/cubie_start.S       Fri Apr 18 06:23:32 2014 +0000
+++ b/sys/arch/evbarm/cubie/cubie_start.S       Fri Apr 18 06:53:13 2014 +0000
@@ -40,11 +40,11 @@
 #include <arm/allwinner/awin_reg.h>
 #include <evbarm/cubie/platform.h>  
 
-RCSID("$NetBSD: cubie_start.S,v 1.8 2014/04/11 04:19:48 matt Exp $")
+RCSID("$NetBSD: cubie_start.S,v 1.9 2014/04/18 06:53:13 matt Exp $")
 
 #if defined(VERBOSE_INIT_ARM)
 #define        XPUTC(n)        mov r0, n; bl xputc
-#ifdef KERNEL_BASES_EQUAL
+#if KERNEL_BASE_VOFFSET == 0
 #define        XPUTC2(n)       mov r0, n; bl xputc
 #else
 #define XPUTC2(n)      mov r0, n; blx r11
@@ -60,7 +60,7 @@
 #endif
 
 #define INIT_MEMSIZE   128
-#define        TEMP_L1_TABLE   (AWIN_SDRAM_PBASE + INIT_MEMSIZE * 0x100000 - L1_TABLE_SIZE)
+#define        TEMP_L1_TABLE   (KERNEL_BASE - KERNEL_BASE_VOFFSET + INIT_MEMSIZE * L1_S_SIZE - L1_TABLE_SIZE)
 
 #define        MD_CPU_HATCH    _C_LABEL(awin_cpu_hatch)
 
@@ -90,7 +90,7 @@
         */
        movw    r4, #:lower16:uboot_args
        movt    r4, #:upper16:uboot_args
-#ifndef KERNEL_BASES_EQUAL
+#if KERNEL_BASE_VOFFSET != 0
        /*
         * But since .start is at 0x40000000 and .text is at 0x8000000, we
         * can't directly use the address that the linker gave us directly.
@@ -123,7 +123,7 @@
         */
        movw    r0, #:lower16:TEMP_L1_TABLE
        movt    r0, #:upper16:TEMP_L1_TABLE
-#ifdef KERNEL_BASES_EQUAL
+#if KERNEL_BASE_VOFFSET == 0
        bl      arm_cpuinit
 #else
        /*
@@ -131,7 +131,7 @@
         * so setup the lr to be in .text.  Cache the address for xputc
         * before we go.
         */
-#ifdef VERBOSE_INIT_ARM
+#if defined(VERBOSE_INIT_ARM)
        adr     r11, xputc              @ for XPUTC2
 #endif
        movw    lr, #:lower16:1f
@@ -252,19 +252,11 @@
 #endif /* MULTIPROCESSOR */
 
 .Lmmu_init_table:
-#ifdef KERNEL_BASES_EQUAL
-       /* Map memory 1:1 VA to PA, write-back cacheable, shareable */
-       MMU_INIT(KERNEL_BASE, KERNEL_BASE, INIT_MEMSIZE,
-               L1_S_PROTO_armv7 | L1_S_APv7_KRW | L1_S_CACHEABLE)
-
-       /* Map temp L1 table 1:1 VA to PA, write-back cacheable, shareable */
-       MMU_INIT(TEMP_L1_TABLE, TEMP_L1_TABLE, INIT_MEMSIZE,
-               L1_S_PROTO_armv7 | L1_S_APv7_KRW | L1_S_CACHEABLE)
-#else
        /* Map KERNEL_BASE VA to SDRAM PA, write-back cacheable, shareable */
        MMU_INIT(KERNEL_BASE, KERNEL_BASE - KERNEL_BASE_VOFFSET, INIT_MEMSIZE,
                L1_S_PROTO_armv7 | L1_S_APv7_KRW | L1_S_CACHEABLE)
 
+#if KERNEL_BASE_VOFFSET != 0
        /* Map memory 1:1 VA to PA, write-back cacheable, shareable */
        MMU_INIT(KERNEL_BASE - KERNEL_BASE_VOFFSET,
                KERNEL_BASE - KERNEL_BASE_VOFFSET, INIT_MEMSIZE,