[src/trunk]: src/sys/arch * Add option MEMSIZE_RESERVED to reserves memory fo...

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

details:   https://anonhg.NetBSD.org/src/rev/0f282e51818b
branches:  trunk
changeset: 818534:0f282e51818b
user:      ryo <ryo%NetBSD.org@localhost>
date:      Mon Oct 17 10:36:56 2016 +0000

description:
* Add option MEMSIZE_RESERVED to reserves memory for Cortex-M4 area
* change KERNEL_BASE from 0x80008000 to 0x82000000

diffstat:

 sys/arch/arm/imx/files.imx7           |   3 ++-
 sys/arch/evbarm/conf/ARMADILLO-IOT-G3 |   3 ++-
 sys/arch/evbarm/conf/std.imx7         |   6 +++---
 sys/arch/evbarm/imx7/imx7_machdep.c   |  11 +++++++++--
 4 files changed, 16 insertions(+), 7 deletions(-)

diffs (87 lines):

diff -r 55363f14fff8 -r 0f282e51818b sys/arch/arm/imx/files.imx7
--- a/sys/arch/arm/imx/files.imx7       Mon Oct 17 09:21:51 2016 +0000
+++ b/sys/arch/arm/imx/files.imx7       Mon Oct 17 10:36:56 2016 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: files.imx7,v 1.1 2016/05/17 06:44:45 ryo Exp $
+#      $NetBSD: files.imx7,v 1.2 2016/10/17 10:36:56 ryo Exp $
 #
 # Configuration info for the Freescale i.MX7
 #
@@ -7,6 +7,7 @@
 include "arch/arm/cortex/files.cortex"
 
 defparam opt_imx.h                             MEMSIZE
+defparam opt_imx.h                             MEMSIZE_RESERVED
 defflag opt_imx.h                              IMX7
 
 file   arch/arm/arm32/arm32_boot.c
diff -r 55363f14fff8 -r 0f282e51818b sys/arch/evbarm/conf/ARMADILLO-IOT-G3
--- a/sys/arch/evbarm/conf/ARMADILLO-IOT-G3     Mon Oct 17 09:21:51 2016 +0000
+++ b/sys/arch/evbarm/conf/ARMADILLO-IOT-G3     Mon Oct 17 10:36:56 2016 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: ARMADILLO-IOT-G3,v 1.2 2016/08/07 10:44:05 christos Exp $
+# $NetBSD: ARMADILLO-IOT-G3,v 1.3 2016/10/17 10:36:56 ryo Exp $
 #
 # ARMADILLO-IOT-G3 -- Atmark Techno, Armadillo-IoT G3
 #
@@ -22,6 +22,7 @@
 options        PMAPCOUNTERS
 
 options        MEMSIZE=512
+options        MEMSIZE_RESERVED=32     # only reserved 32M for Cortex-M4 core
 
 # Standard system options
 
diff -r 55363f14fff8 -r 0f282e51818b sys/arch/evbarm/conf/std.imx7
--- a/sys/arch/evbarm/conf/std.imx7     Mon Oct 17 09:21:51 2016 +0000
+++ b/sys/arch/evbarm/conf/std.imx7     Mon Oct 17 10:36:56 2016 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: std.imx7,v 1.1 2016/05/17 06:44:46 ryo Exp $
+#      $NetBSD: std.imx7,v 1.2 2016/10/17 10:36:56 ryo Exp $
 #
 # standard NetBSD/evbarm options for i.MX7 board
 
@@ -25,8 +25,8 @@
 options        CORTEX_PMC_CCNT_HZ=792000000
 
 options        KERNEL_BASE_EXT=0x80000000
-makeoptions    KERNEL_BASE_PHYS="0x80008000"
-makeoptions    KERNEL_BASE_VIRT="0x80008000"
+makeoptions    KERNEL_BASE_PHYS="0x82000000"
+makeoptions    KERNEL_BASE_VIRT="0x82000000"
 
 makeoptions    BOARDMKFRAG="${THISARM}/conf/mk.imx7"
 makeoptions    CPPFLAGS+="-I$S/../../../include"
diff -r 55363f14fff8 -r 0f282e51818b sys/arch/evbarm/imx7/imx7_machdep.c
--- a/sys/arch/evbarm/imx7/imx7_machdep.c       Mon Oct 17 09:21:51 2016 +0000
+++ b/sys/arch/evbarm/imx7/imx7_machdep.c       Mon Oct 17 10:36:56 2016 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: imx7_machdep.c,v 1.3 2016/05/30 17:43:46 dholland Exp $        */
+/*     $NetBSD: imx7_machdep.c,v 1.4 2016/10/17 10:36:57 ryo Exp $     */
 
 /*-
  * Copyright (c) 2012 The NetBSD Foundation, Inc.
@@ -30,7 +30,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: imx7_machdep.c,v 1.3 2016/05/30 17:43:46 dholland Exp $");
+__KERNEL_RCSID(0, "$NetBSD: imx7_machdep.c,v 1.4 2016/10/17 10:36:57 ryo Exp $");
 
 #include "opt_evbarm_boardtype.h"
 #include "opt_arm_debug.h"
@@ -220,7 +220,14 @@
 #endif
 
        bootconfig.dramblocks = 1;
+#ifdef MEMSIZE_RESERVED
+       /* reserved for Cortex-M4 core */
+       memsize -= MEMSIZE_RESERVED * 1024 * 1024;
+       bootconfig.dram[0].address = KERN_VTOPHYS(KERNEL_BASE) +
+           MEMSIZE_RESERVED * 1024 * 1024;
+#else
        bootconfig.dram[0].address = KERN_VTOPHYS(KERNEL_BASE);
+#endif
        bootconfig.dram[0].pages = memsize / PAGE_SIZE;
 
 #ifdef __HAVE_MM_MD_DIRECT_MAPPED_PHYS