[src/trunk]: src/sys/arch add AHB_A2 to devmap, print SCTLR value in initarm

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

details:   https://anonhg.NetBSD.org/src/rev/2fcd55e9e227
branches:  trunk
changeset: 807900:2fcd55e9e227
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Sun Apr 26 16:24:01 2015 +0000

description:
add AHB_A2 to devmap, print SCTLR value in initarm

diffstat:

 sys/arch/arm/nvidia/tegra_reg.h       |   7 ++++---
 sys/arch/evbarm/tegra/tegra_machdep.c |  32 ++++++++++++++++++++++++++++++--
 2 files changed, 34 insertions(+), 5 deletions(-)

diffs (93 lines):

diff -r 38e219b29f1b -r 2fcd55e9e227 sys/arch/arm/nvidia/tegra_reg.h
--- a/sys/arch/arm/nvidia/tegra_reg.h   Sun Apr 26 16:22:57 2015 +0000
+++ b/sys/arch/arm/nvidia/tegra_reg.h   Sun Apr 26 16:24:01 2015 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: tegra_reg.h,v 1.1 2015/03/29 10:41:59 jmcneill Exp $ */
+/* $NetBSD: tegra_reg.h,v 1.2 2015/04/26 16:24:01 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2015 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -42,8 +42,9 @@
 #define TEGRA_AHB_A2_BASE      0x7c000000
 #define TEGRA_AHB_A2_SIZE      0x02000000
 
-#define TEGRA_HOST1X_VBASE     0xfd000000
-#define TEGRA_APB_VBASE                0xfe000000
+#define TEGRA_HOST1X_VBASE     0xfb000000
+#define TEGRA_APB_VBASE                0xfc000000
+#define TEGRA_AHB_A2_VBASE     0xfd000000
 
 #define TEGRA_REF_FREQ         12000000
 #define TEGRA_UART_FREQ                TEGRA_REF_FREQ
diff -r 38e219b29f1b -r 2fcd55e9e227 sys/arch/evbarm/tegra/tegra_machdep.c
--- a/sys/arch/evbarm/tegra/tegra_machdep.c     Sun Apr 26 16:22:57 2015 +0000
+++ b/sys/arch/evbarm/tegra/tegra_machdep.c     Sun Apr 26 16:24:01 2015 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: tegra_machdep.c,v 1.3 2015/03/29 22:27:04 jmcneill Exp $ */
+/* $NetBSD: tegra_machdep.c,v 1.4 2015/04/26 16:24:01 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2015 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: tegra_machdep.c,v 1.3 2015/03/29 22:27:04 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: tegra_machdep.c,v 1.4 2015/04/26 16:24:01 jmcneill Exp $");
 
 #include "opt_tegra.h"
 #include "opt_machdep.h"
@@ -122,6 +122,13 @@
                .pd_prot = VM_PROT_READ|VM_PROT_WRITE,
                .pd_cache = PTE_NOCACHE
        },
+       {
+               .pd_va = _A(TEGRA_AHB_A2_VBASE),
+               .pd_pa = _A(TEGRA_AHB_A2_BASE),
+               .pd_size = _S(TEGRA_AHB_A2_SIZE),
+               .pd_prot = VM_PROT_READ|VM_PROT_WRITE,
+               .pd_cache = PTE_NOCACHE
+       },
        {0}
 };
 
@@ -154,11 +161,28 @@
                tegra_putchar(*p);
        }
 }
+
+static void
+tegra_printn(u_int n, int base)
+{
+       char *p, buf[(sizeof(u_int) * NBBY / 3) + 1 + 2 /* ALT + SIGN */];
+
+       p = buf;
+       do {
+               *p++ = hexdigits[n % base];
+       } while (n /= base);
+
+       do {
+               tegra_putchar(*--p);
+       } while (p > buf);
+}
 #define DPRINTF(...)           printf(__VA_ARGS__)
 #define DPRINT(x)              tegra_putstr(x)
+#define DPRINTN(x,b)           tegra_printn((x), (b))
 #else
 #define DPRINTF(...)
 #define DPRINT(x)
+#define DPRINTN(x,b)
 #endif
 
 /*
@@ -180,6 +204,10 @@
        psize_t ram_size = 0;
        DPRINT("initarm:");
 
+       DPRINT(" sctlr<0x");
+       DPRINTN(armreg_sctlr_read(), 16);
+       DPRINT(">");
+
        DPRINT(" devmap");
        pmap_devmap_register(devmap);