When available, use the on-chip syscontrol() rom function to perform a system reset rather than our own local method.
Signed-off-by: Mike Frysinger vapier@gentoo.org --- cpu/blackfin/reset.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-)
diff --git a/cpu/blackfin/reset.c b/cpu/blackfin/reset.c index d1e34b3..be3c182 100644 --- a/cpu/blackfin/reset.c +++ b/cpu/blackfin/reset.c @@ -9,6 +9,7 @@ #include <common.h> #include <command.h> #include <asm/blackfin.h> +#include <asm/mach-common/bits/bootrom.h> #include "cpu.h"
/* A system soft reset makes external memory unusable so force @@ -20,7 +21,7 @@ * the core reset. */ __attribute__ ((__l1_text__, __noreturn__)) -void bfin_reset(void) +static void bfin_reset(void) { /* Wait for completion of "system" events such as cache line * line fills so that we avoid infinite stalls later on as @@ -76,7 +77,10 @@ static inline void bfin_reset_trampoline(void) if (board_reset) board_reset(); while (1) - asm("jump (%0);" : : "a" (bfin_reset)); + if (0 /*BOOTROM_CAPS_SYSCONTROL -- current silicon is broken*/) + syscontrol(SYSCTRL_SOFTRESET, NULL, NULL); + else + asm("jump (%0);" : : "a" (bfin_reset)); }
__attribute__ ((__noreturn__))