Commit ed1fb604 authored by Mike Frysinger's avatar Mike Frysinger Committed by Bryan Wu
Browse files

Blackfin arch: read SYSCR on newer parts that mirror the bits of SWRST in it 



Signed-off-by: default avatarMike Frysinger <vapier.adi@gmail.com>
Signed-off-by: default avatarBryan Wu <cooloney@kernel.org>
parent 7f6678c5

arch/blackfin/kernel/setup.c

+6 −0
Original line number Diff line number Diff line
@@ -826,7 +826,13 @@ void __init setup_arch(char **cmdline_p) 


	printk(KERN_INFO "Boot Mode: %i\n", bfin_read_SYSCR() & 0xF);



	/* Newer parts mirror SWRST bits in SYSCR */

#if defined(CONFIG_BF53x) || defined(CONFIG_BF561) || \

    defined(CONFIG_BF538) || defined(CONFIG_BF539)

	_bfin_swrst = bfin_read_SWRST();

#else

	_bfin_swrst = bfin_read_SYSCR();

#endif



#ifdef CONFIG_DEBUG_DOUBLEFAULT_PRINT

	bfin_write_SWRST(_bfin_swrst & ~DOUBLE_FAULT);