diff options
| author | Patrick Wildt <patrick@cvs.openbsd.org> | 2016-10-05 07:30:00 +0000 |
|---|---|---|
| committer | Patrick Wildt <patrick@cvs.openbsd.org> | 2016-10-05 07:30:00 +0000 |
| commit | 262f0f6c1197205331edd8d3e5b0ed1c0f9e2ba0 (patch) | |
| tree | 35894ad7f2114e810775afe7986e46a6f891ffdc /sys/arch/armv7 | |
| parent | 565b3a220000a1f28815441fc4d3add80d4234de (diff) | |
Introduce a global function pointer to reset the CPU akin to amd64 and
i386. As newer ARMs where we use device tree from the get go don't
necessarily have a 'platform', this will allow drivers to hook
themselves as a way to reset the CPU.
ok jsg@ kettenis@ tom@
Diffstat (limited to 'sys/arch/armv7')
| -rw-r--r-- | sys/arch/armv7/armv7/armv7_machdep.c | 10 | ||||
| -rw-r--r-- | sys/arch/armv7/armv7/armv7_machdep.h | 3 | ||||
| -rw-r--r-- | sys/arch/armv7/armv7/platform.c | 9 |
3 files changed, 16 insertions, 6 deletions
diff --git a/sys/arch/armv7/armv7/armv7_machdep.c b/sys/arch/armv7/armv7/armv7_machdep.c index e869c2c6f70..bd5ea253766 100644 --- a/sys/arch/armv7/armv7/armv7_machdep.c +++ b/sys/arch/armv7/armv7/armv7_machdep.c @@ -1,4 +1,4 @@ -/* $OpenBSD: armv7_machdep.c,v 1.40 2016/09/24 13:43:25 kettenis Exp $ */ +/* $OpenBSD: armv7_machdep.c,v 1.41 2016/10/05 07:29:59 patrick Exp $ */ /* $NetBSD: lubbock_machdep.c,v 1.2 2003/07/15 00:25:06 lukem Exp $ */ /* @@ -218,6 +218,8 @@ int comcnmode = CONMODE; int stdout_node = 0; +void (*cpuresetfn)(void); + /* * void boot(int howto, char *bootstr) * @@ -243,7 +245,8 @@ boot(int howto) } printf("rebooting...\n"); delay(500000); - platform_watchdog_reset(); + if (cpuresetfn) + (*cpuresetfn)(); printf("reboot failed; spinning\n"); while(1); /*NOTREACHED*/ @@ -290,7 +293,8 @@ boot(int howto) printf("rebooting...\n"); delay(500000); - platform_watchdog_reset(); + if (cpuresetfn) + (*cpuresetfn)(); printf("reboot failed; spinning\n"); for (;;) ; /* NOTREACHED */ diff --git a/sys/arch/armv7/armv7/armv7_machdep.h b/sys/arch/armv7/armv7/armv7_machdep.h index 616613e375d..1dc1b82f4a4 100644 --- a/sys/arch/armv7/armv7/armv7_machdep.h +++ b/sys/arch/armv7/armv7/armv7_machdep.h @@ -1,4 +1,4 @@ -/* $OpenBSD: armv7_machdep.h,v 1.9 2016/08/15 21:04:32 patrick Exp $ */ +/* $OpenBSD: armv7_machdep.h,v 1.10 2016/10/05 07:29:59 patrick Exp $ */ /* * Copyright (c) 2013 Sylvestre Gallon <ccna.syl@gmail.com> * @@ -28,6 +28,7 @@ void platform_init_mainbus(struct device *); void platform_disable_l2_if_needed(void); struct board_dev *platform_board_devs(); void *fdt_find_cons(const char *); +extern void (*cpuresetfn)(void); struct armv7_platform { struct board_dev *devs; diff --git a/sys/arch/armv7/armv7/platform.c b/sys/arch/armv7/armv7/platform.c index 02d264ce639..dd14b00e922 100644 --- a/sys/arch/armv7/armv7/platform.c +++ b/sys/arch/armv7/armv7/platform.c @@ -1,4 +1,4 @@ -/* $OpenBSD: platform.c,v 1.14 2016/08/31 16:19:40 jsg Exp $ */ +/* $OpenBSD: platform.c,v 1.15 2016/10/05 07:29:59 patrick Exp $ */ /* * Copyright (c) 2014 Patrick Wildt <patrick@blueri.se> * @@ -81,7 +81,12 @@ platform_init(void) if (platform != NULL) break; } - if (platform && platform->board_init) + + if (platform == NULL) + return; + + cpuresetfn = platform_watchdog_reset; + if (platform->board_init) platform->board_init(); } |