From 24a70cf2b28e24aa31c4f9bc310cc274c0a90183 Mon Sep 17 00:00:00 2001 From: Steven Miao Date: Thu, 12 Sep 2013 16:36:16 +0800 Subject: blackfin: scb: Add system crossbar init code. If SCB exists in select blackfin cpu, developer can change the SCB priority in kernel configuration. Signed-off-by: Sonic Zhang Signed-off-by: Steven Miao --- arch/blackfin/include/asm/scb.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 arch/blackfin/include/asm/scb.h (limited to 'arch/blackfin/include') diff --git a/arch/blackfin/include/asm/scb.h b/arch/blackfin/include/asm/scb.h new file mode 100644 index 000000000000..a294cc0d1a4a --- /dev/null +++ b/arch/blackfin/include/asm/scb.h @@ -0,0 +1,21 @@ +/* + * arch/blackfin/mach-common/scb-init.c - reprogram system cross bar priority + * + * Copyright 2012 Analog Devices Inc. + * + * Licensed under the GPL-2 or later. + */ + +#define SCB_SLOT_OFFSET 24 +#define SCB_MI_MAX_SLOT 32 + +struct scb_mi_prio { + unsigned long scb_mi_arbr; + unsigned long scb_mi_arbw; + unsigned char scb_mi_slots; + unsigned char scb_mi_prio[SCB_MI_MAX_SLOT]; +}; + +extern struct scb_mi_prio scb_data[]; + +extern void init_scb(void); -- cgit v1.2.3