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 <sonic.zhang@analog.com>
Signed-off-by: Steven Miao <realmz6@gmail.com>

3 files changed, 1250 insertions, 0 deletions

diff --git a/arch/blackfin/mach-bf609/Kconfig b/arch/blackfin/mach-bf609/Kconfig
index 95a4f1b676ce..ffc1708c463e 100644
--- a/arch/blackfin/mach-bf609/Kconfig
+++ b/arch/blackfin/mach-bf609/Kconfig
@@ -59,6 +59,1023 @@ config SEC_IRQ_PRIORITY_LEVELS
 	  Divide the total number of interrupt priority levels into sub-levels.
 	  There is 2 ^ (SEC_IRQ_PRIORITY_LEVELS + 1) different levels.
 
+
+comment "System Cross Bar Priority Assignment"
+
+config SCB_PRIORITY
+	bool "Init System Cross Bar Priority"
+	default n
+
+menuconfig	SCB0_MI0
+	bool "SCB0 Master Interface 0 (DDR)"
+	default n
+	depends on SCB_PRIORITY
+	help
+	The slave interface id of each slot should be set according following table.
+	Core 0	-- 0
+	Core 1	-- 2
+	SCB1	-- 9
+	SCB2	-- 10
+	SCB3	-- 11
+	SCB4	-- 12
+	SCB5	-- 5
+	SCB6	-- 6
+	SCB7	-- 8
+	SCB8	-- 7
+	SCB9	-- 4
+	USB	-- 13
+
+if SCB0_MI0
+
+config SCB0_MI0_SLOT0
+	int "Slot 0 slave interface id"
+	default 0
+	range 0 13
+
+config SCB0_MI0_SLOT1
+	int "Slot 1 slave interface id"
+	default 2
+	range 0 13
+
+config SCB0_MI0_SLOT2
+	int "Slot 2 slave interface id"
+	default 4
+	range 0 13
+
+config SCB0_MI0_SLOT3
+	int "Slot 3 slave interface id"
+	default 5
+	range 0 13
+
+config SCB0_MI0_SLOT4
+	int "Slot 4 slave interface id"
+	default 6
+	range 0 13
+
+config SCB0_MI0_SLOT5
+	int "Slot 5 slave interface id"
+	default 7
+	range 0 13
+
+config SCB0_MI0_SLOT6
+	int "Slot 6 slave interface id"
+	default 8
+	range 0 13
+
+config SCB0_MI0_SLOT7
+	int "Slot 7 slave interface id"
+	default 9
+	range 0 13
+
+config SCB0_MI0_SLOT8
+	int "Slot 8 slave interface id"
+	default 10
+	range 0 13
+
+config SCB0_MI0_SLOT9
+	int "Slot 9 slave interface id"
+	default 11
+	range 0 13
+
+config SCB0_MI0_SLOT10
+	int "Slot 10 slave interface id"
+	default 13
+	range 0 13
+
+config SCB0_MI0_SLOT11
+	int "Slot 11 slave interface id"
+	default 12
+	range 0 13
+
+config SCB0_MI0_SLOT12
+	int "Slot 12 slave interface id"
+	default 0
+	range 0 13
+
+config SCB0_MI0_SLOT13
+	int "Slot 13 slave interface id"
+	default 2
+	range 0 13
+
+config SCB0_MI0_SLOT14
+	int "Slot 14 slave interface id"
+	default 4
+	range 0 13
+
+config SCB0_MI0_SLOT15
+	int "Slot 15 slave interface id"
+	default 5
+	range 0 13
+
+config SCB0_MI0_SLOT16
+	int "Slot 16 slave interface id"
+	default 6
+	range 0 13
+
+config SCB0_MI0_SLOT17
+	int "Slot 17 slave interface id"
+	default 7
+	range 0 13
+
+config SCB0_MI0_SLOT18
+	int "Slot 18 slave interface id"
+	default 8
+	range 0 13
+
+config SCB0_MI0_SLOT19
+	int "Slot 19 slave interface id"
+	default 9
+	range 0 13
+
+config SCB0_MI0_SLOT20
+	int "Slot 20 slave interface id"
+	default 10
+	range 0 13
+
+config SCB0_MI0_SLOT21
+	int "Slot 21 slave interface id"
+	default 11
+	range 0 13
+
+config SCB0_MI0_SLOT22
+	int "Slot 22 slave interface id"
+	default 13
+	range 0 13
+
+config SCB0_MI0_SLOT23
+	int "Slot 23 slave interface id"
+	default 12
+	range 0 13
+
+config SCB0_MI0_SLOT24
+	int "Slot 24 slave interface id"
+	default 0
+	range 0 13
+
+config SCB0_MI0_SLOT25
+	int "Slot 25 slave interface id"
+	default 2
+	range 0 13
+
+config SCB0_MI0_SLOT26
+	int "Slot 26 slave interface id"
+	default 4
+	range 0 13
+
+config SCB0_MI0_SLOT27
+	int "Slot 27 slave interface id"
+	default 5
+	range 0 13
+
+config SCB0_MI0_SLOT28
+	int "Slot 28 slave interface id"
+	default 6
+	range 0 13
+
+config SCB0_MI0_SLOT29
+	int "Slot 29 slave interface id"
+	default 7
+	range 0 13
+
+config SCB0_MI0_SLOT30
+	int "Slot 30 slave interface id"
+	default 8
+	range 0 13
+
+config SCB0_MI0_SLOT31
+	int "Slot 31 slave interface id"
+	default 13
+	range 0 13
+
+endif # SCB0_MI0
+
+menuconfig	SCB0_MI1
+	bool "SCB0 Master Interface 1 (SMC)"
+	default n
+	depends on SCB_PRIORITY
+	help
+	The slave interface id of each slot should be set according following table.
+	Core 0	-- 0
+	Core 1	-- 2
+	SCB1	-- 9
+	SCB2	-- 10
+	SCB3	-- 11
+	SCB4	-- 12
+	SCB5	-- 5
+	SCB6	-- 6
+	SCB7	-- 8
+	SCB8	-- 7
+	SCB9	-- 4
+	USB	-- 13
+
+if SCB0_MI1
+
+config SCB0_MI1_SLOT0
+	int "Slot 0 slave interface id"
+	default 0
+	range 0 13
+
+config SCB0_MI1_SLOT1
+	int "Slot 1 slave interface id"
+	default 2
+	range 0 13
+
+config SCB0_MI1_SLOT2
+	int "Slot 2 slave interface id"
+	default 4
+	range 0 13
+
+config SCB0_MI1_SLOT3
+	int "Slot 3 slave interface id"
+	default 5
+	range 0 13
+
+config SCB0_MI1_SLOT4
+	int "Slot 4 slave interface id"
+	default 6
+	range 0 13
+
+config SCB0_MI1_SLOT5
+	int "Slot 5 slave interface id"
+	default 7
+	range 0 13
+
+config SCB0_MI1_SLOT6
+	int "Slot 6 slave interface id"
+	default 8
+	range 0 13
+
+config SCB0_MI1_SLOT7
+	int "Slot 7 slave interface id"
+	default 9
+	range 0 13
+
+config SCB0_MI1_SLOT8
+	int "Slot 8 slave interface id"
+	default 10
+	range 0 13
+
+config SCB0_MI1_SLOT9
+	int "Slot 9 slave interface id"
+	default 11
+	range 0 13
+
+config SCB0_MI1_SLOT10
+	int "Slot 10 slave interface id"
+	default 13
+	range 0 13
+
+config SCB0_MI1_SLOT11
+	int "Slot 11 slave interface id"
+	default 12
+	range 0 13
+
+config SCB0_MI1_SLOT12
+	int "Slot 12 slave interface id"
+	default 0
+	range 0 13
+
+config SCB0_MI1_SLOT13
+	int "Slot 13 slave interface id"
+	default 2
+	range 0 13
+
+config SCB0_MI1_SLOT14
+	int "Slot 14 slave interface id"
+	default 4
+	range 0 13
+
+config SCB0_MI1_SLOT15
+	int "Slot 15 slave interface id"
+	default 5
+	range 0 13
+
+config SCB0_MI1_SLOT16
+	int "Slot 16 slave interface id"
+	default 6
+	range 0 13
+
+config SCB0_MI1_SLOT17
+	int "Slot 17 slave interface id"
+	default 7
+	range 0 13
+
+config SCB0_MI1_SLOT18
+	int "Slot 18 slave interface id"
+	default 8
+	range 0 13
+
+config SCB0_MI1_SLOT19
+	int "Slot 19 slave interface id"
+	default 9
+	range 0 13
+
+config SCB0_MI1_SLOT20
+	int "Slot 20 slave interface id"
+	default 10
+	range 0 13
+
+config SCB0_MI1_SLOT21
+	int "Slot 21 slave interface id"
+	default 11
+	range 0 13
+
+config SCB0_MI1_SLOT22
+	int "Slot 22 slave interface id"
+	default 13
+	range 0 13
+
+config SCB0_MI1_SLOT23
+	int "Slot 23 slave interface id"
+	default 12
+	range 0 13
+
+config SCB0_MI1_SLOT24
+	int "Slot 24 slave interface id"
+	default 0
+	range 0 13
+
+config SCB0_MI1_SLOT25
+	int "Slot 25 slave interface id"
+	default 2
+	range 0 13
+
+config SCB0_MI1_SLOT26
+	int "Slot 26 slave interface id"
+	default 4
+	range 0 13
+
+config SCB0_MI1_SLOT27
+	int "Slot 27 slave interface id"
+	default 5
+	range 0 13
+
+config SCB0_MI1_SLOT28
+	int "Slot 28 slave interface id"
+	default 6
+	range 0 13
+
+config SCB0_MI1_SLOT29
+	int "Slot 29 slave interface id"
+	default 7
+	range 0 13
+
+config SCB0_MI1_SLOT30
+	int "Slot 30 slave interface id"
+	default 8
+	range 0 13
+
+config SCB0_MI1_SLOT31
+	int "Slot 31 slave interface id"
+	default 13
+	range 0 13
+
+endif # SCB0_MI1
+
+menuconfig	SCB0_MI2
+	bool "SCB0 Master Interface 2 (Data L2)"
+	default n
+	depends on SCB_PRIORITY
+	help
+	The slave interface id of each slot should be set according following table.
+	Core 0	-- 0
+	Core 1	-- 2
+	SCB1	-- 9
+	SCB2	-- 10
+	SCB3	-- 11
+	SCB4	-- 12
+	SCB5	-- 5
+	SCB6	-- 6
+	SCB7	-- 8
+	SCB8	-- 7
+	SCB9	-- 4
+	USB	-- 13
+
+if SCB0_MI2
+
+config SCB0_MI2_SLOT0
+	int "Slot 0 slave interface id"
+	default 4
+	range 0 13
+
+config SCB0_MI2_SLOT1
+	int "Slot 1 slave interface id"
+	default 5
+	range 0 13
+
+config SCB0_MI2_SLOT2
+	int "Slot 2 slave interface id"
+	default 6
+	range 0 13
+
+config SCB0_MI2_SLOT3
+	int "Slot 3 slave interface id"
+	default 7
+	range 0 13
+
+config SCB0_MI2_SLOT4
+	int "Slot 4 slave interface id"
+	default 8
+	range 0 13
+
+config SCB0_MI2_SLOT5
+	int "Slot 5 slave interface id"
+	default 9
+	range 0 13
+
+config SCB0_MI2_SLOT6
+	int "Slot 6 slave interface id"
+	default 10
+	range 0 13
+
+config SCB0_MI2_SLOT7
+	int "Slot 7 slave interface id"
+	default 11
+	range 0 13
+
+config SCB0_MI2_SLOT8
+	int "Slot 8 slave interface id"
+	default 13
+	range 0 13
+
+config SCB0_MI2_SLOT9
+	int "Slot 9 slave interface id"
+	default 12
+	range 0 13
+
+config SCB0_MI2_SLOT10
+	int "Slot 10 slave interface id"
+	default 4
+	range 0 13
+
+config SCB0_MI2_SLOT11
+	int "Slot 11 slave interface id"
+	default 5
+	range 0 13
+
+config SCB0_MI2_SLOT12
+	int "Slot 12 slave interface id"
+	default 6
+	range 0 13
+
+config SCB0_MI2_SLOT13
+	int "Slot 13 slave interface id"
+	default 7
+	range 0 13
+
+config SCB0_MI2_SLOT14
+	int "Slot 14 slave interface id"
+	default 8
+	range 0 13
+
+config SCB0_MI2_SLOT15
+	int "Slot 15 slave interface id"
+	default 9
+	range 0 13
+
+config SCB0_MI2_SLOT16
+	int "Slot 16 slave interface id"
+	default 10
+	range 0 13
+
+config SCB0_MI2_SLOT17
+	int "Slot 17 slave interface id"
+	default 11
+	range 0 13
+
+config SCB0_MI2_SLOT18
+	int "Slot 18 slave interface id"
+	default 13
+	range 0 13
+
+config SCB0_MI2_SLOT19
+	int "Slot 19 slave interface id"
+	default 12
+	range 0 13
+
+config SCB0_MI2_SLOT20
+	int "Slot 20 slave interface id"
+	default 4
+	range 0 13
+
+config SCB0_MI2_SLOT21
+	int "Slot 21 slave interface id"
+	default 5
+	range 0 13
+
+config SCB0_MI2_SLOT22
+	int "Slot 22 slave interface id"
+	default 6
+	range 0 13
+
+config SCB0_MI2_SLOT23
+	int "Slot 23 slave interface id"
+	default 7
+	range 0 13
+
+config SCB0_MI2_SLOT24
+	int "Slot 24 slave interface id"
+	default 8
+	range 0 13
+
+config SCB0_MI2_SLOT25
+	int "Slot 25 slave interface id"
+	default 9
+	range 0 13
+
+config SCB0_MI2_SLOT26
+	int "Slot 26 slave interface id"
+	default 10
+	range 0 13
+
+config SCB0_MI2_SLOT27
+	int "Slot 27 slave interface id"
+	default 11
+	range 0 13
+
+config SCB0_MI2_SLOT28
+	int "Slot 28 slave interface id"
+	default 13
+	range 0 13
+
+config SCB0_MI2_SLOT29
+	int "Slot 29 slave interface id"
+	default 12
+	range 0 13
+
+config SCB0_MI2_SLOT30
+	int "Slot 30 slave interface id"
+	default 4
+	range 0 13
+
+config SCB0_MI2_SLOT31
+	int "Slot 31 slave interface id"
+	default 7
+	range 0 13
+
+endif # SCB0_MI2
+
+menuconfig	SCB0_MI3
+	bool "SCB0 Master Interface 3 (L1A)"
+	default n
+	depends on SCB_PRIORITY
+	help
+	The slave interface id of each slot should be set according following table.
+	Core 0	-- 0
+	Core 1	-- 2
+	SCB1	-- 9
+	SCB2	-- 10
+	SCB3	-- 11
+	SCB4	-- 12
+	SCB5	-- 5
+	SCB6	-- 6
+	SCB7	-- 8
+	SCB8	-- 7
+	SCB9	-- 4
+	USB	-- 13
+
+if SCB0_MI3
+
+config SCB0_MI3_SLOT0
+	int "Slot 0 slave interface id"
+	default 4
+	range 0 13
+
+config SCB0_MI3_SLOT1
+	int "Slot 1 slave interface id"
+	default 5
+	range 0 13
+
+config SCB0_MI3_SLOT2
+	int "Slot 2 slave interface id"
+	default 6
+	range 0 13
+
+config SCB0_MI3_SLOT3
+	int "Slot 3 slave interface id"
+	default 7
+	range 0 13
+
+config SCB0_MI3_SLOT4
+	int "Slot 4 slave interface id"
+	default 8
+	range 0 13
+
+config SCB0_MI3_SLOT5
+	int "Slot 5 slave interface id"
+	default 9
+	range 0 13
+
+config SCB0_MI3_SLOT6
+	int "Slot 6 slave interface id"
+	default 10
+	range 0 13
+
+config SCB0_MI3_SLOT7
+	int "Slot 7 slave interface id"
+	default 11
+	range 0 13
+
+config SCB0_MI3_SLOT8
+	int "Slot 8 slave interface id"
+	default 13
+	range 0 13
+
+config SCB0_MI3_SLOT9
+	int "Slot 9 slave interface id"
+	default 12
+	range 0 13
+
+config SCB0_MI3_SLOT10
+	int "Slot 10 slave interface id"
+	default 4
+	range 0 13
+
+config SCB0_MI3_SLOT11
+	int "Slot 11 slave interface id"
+	default 5
+	range 0 13
+
+config SCB0_MI3_SLOT12
+	int "Slot 12 slave interface id"
+	default 6
+	range 0 13
+
+config SCB0_MI3_SLOT13
+	int "Slot 13 slave interface id"
+	default 7
+	range 0 13
+
+config SCB0_MI3_SLOT14
+	int "Slot 14 slave interface id"
+	default 8
+	range 0 13
+
+config SCB0_MI3_SLOT15
+	int "Slot 15 slave interface id"
+	default 9
+	range 0 13
+
+config SCB0_MI3_SLOT16
+	int "Slot 16 slave interface id"
+	default 10
+	range 0 13
+
+config SCB0_MI3_SLOT17
+	int "Slot 17 slave interface id"
+	default 11
+	range 0 13
+
+config SCB0_MI3_SLOT18
+	int "Slot 18 slave interface id"
+	default 13
+	range 0 13
+
+config SCB0_MI3_SLOT19
+	int "Slot 19 slave interface id"
+	default 12
+	range 0 13
+
+config SCB0_MI3_SLOT20
+	int "Slot 20 slave interface id"
+	default 4
+	range 0 13
+
+config SCB0_MI3_SLOT21
+	int "Slot 21 slave interface id"
+	default 5
+	range 0 13
+
+config SCB0_MI3_SLOT22
+	int "Slot 22 slave interface id"
+	default 6
+	range 0 13
+
+config SCB0_MI3_SLOT23
+	int "Slot 23 slave interface id"
+	default 7
+	range 0 13
+
+config SCB0_MI3_SLOT24
+	int "Slot 24 slave interface id"
+	default 8
+	range 0 13
+
+config SCB0_MI3_SLOT25
+	int "Slot 25 slave interface id"
+	default 9
+	range 0 13
+
+config SCB0_MI3_SLOT26
+	int "Slot 26 slave interface id"
+	default 10
+	range 0 13
+
+config SCB0_MI3_SLOT27
+	int "Slot 27 slave interface id"
+	default 11
+	range 0 13
+
+config SCB0_MI3_SLOT28
+	int "Slot 28 slave interface id"
+	default 13
+	range 0 13
+
+config SCB0_MI3_SLOT29
+	int "Slot 29 slave interface id"
+	default 12
+	range 0 13
+
+config SCB0_MI3_SLOT30
+	int "Slot 30 slave interface id"
+	default 4
+	range 0 13
+
+config SCB0_MI3_SLOT31
+	int "Slot 31 slave interface id"
+	default 7
+	range 0 13
+
+endif # SCB0_MI3
+
+menuconfig	SCB0_MI4
+	bool "SCB0 Master Interface 4 (L1B)"
+	default n
+	depends on SCB_PRIORITY
+	help
+	The slave interface id of each slot should be set according following table.
+	Core 0	-- 0
+	Core 1	-- 2
+	SCB1	-- 9
+	SCB2	-- 10
+	SCB3	-- 11
+	SCB4	-- 12
+	SCB5	-- 5
+	SCB6	-- 6
+	SCB7	-- 8
+	SCB8	-- 7
+	SCB9	-- 4
+	USB	-- 13
+
+if SCB0_MI4
+
+config SCB0_MI4_SLOT0
+	int "Slot 0 slave interface id"
+	default 4
+	range 0 13
+
+config SCB0_MI4_SLOT1
+	int "Slot 1 slave interface id"
+	default 5
+	range 0 13
+
+config SCB0_MI4_SLOT2
+	int "Slot 2 slave interface id"
+	default 6
+	range 0 13
+
+config SCB0_MI4_SLOT3
+	int "Slot 3 slave interface id"
+	default 7
+	range 0 13
+
+config SCB0_MI4_SLOT4
+	int "Slot 4 slave interface id"
+	default 8
+	range 0 13
+
+config SCB0_MI4_SLOT5
+	int "Slot 5 slave interface id"
+	default 9
+	range 0 13
+
+config SCB0_MI4_SLOT6
+	int "Slot 6 slave interface id"
+	default 10
+	range 0 13
+
+config SCB0_MI4_SLOT7
+	int "Slot 7 slave interface id"
+	default 11
+	range 0 13
+
+config SCB0_MI4_SLOT8
+	int "Slot 8 slave interface id"
+	default 13
+	range 0 13
+
+config SCB0_MI4_SLOT9
+	int "Slot 9 slave interface id"
+	default 12
+	range 0 13
+
+config SCB0_MI4_SLOT10
+	int "Slot 10 slave interface id"
+	default 4
+	range 0 13
+
+config SCB0_MI4_SLOT11
+	int "Slot 11 slave interface id"
+	default 5
+	range 0 13
+
+config SCB0_MI4_SLOT12
+	int "Slot 12 slave interface id"
+	default 6
+	range 0 13
+
+config SCB0_MI4_SLOT13
+	int "Slot 13 slave interface id"
+	default 7
+	range 0 13
+
+config SCB0_MI4_SLOT14
+	int "Slot 14 slave interface id"
+	default 8
+	range 0 13
+
+config SCB0_MI4_SLOT15
+	int "Slot 15 slave interface id"
+	default 9
+	range 0 13
+
+config SCB0_MI4_SLOT16
+	int "Slot 16 slave interface id"
+	default 10
+	range 0 13
+
+config SCB0_MI4_SLOT17
+	int "Slot 17 slave interface id"
+	default 11
+	range 0 13
+
+config SCB0_MI4_SLOT18
+	int "Slot 18 slave interface id"
+	default 13
+	range 0 13
+
+config SCB0_MI4_SLOT19
+	int "Slot 19 slave interface id"
+	default 12
+	range 0 13
+
+config SCB0_MI4_SLOT20
+	int "Slot 20 slave interface id"
+	default 4
+	range 0 13
+
+config SCB0_MI4_SLOT21
+	int "Slot 21 slave interface id"
+	default 5
+	range 0 13
+
+config SCB0_MI4_SLOT22
+	int "Slot 22 slave interface id"
+	default 6
+	range 0 13
+
+config SCB0_MI4_SLOT23
+	int "Slot 23 slave interface id"
+	default 7
+	range 0 13
+
+config SCB0_MI4_SLOT24
+	int "Slot 24 slave interface id"
+	default 8
+	range 0 13
+
+config SCB0_MI4_SLOT25
+	int "Slot 25 slave interface id"
+	default 9
+	range 0 13
+
+config SCB0_MI4_SLOT26
+	int "Slot 26 slave interface id"
+	default 10
+	range 0 13
+
+config SCB0_MI4_SLOT27
+	int "Slot 27 slave interface id"
+	default 11
+	range 0 13
+
+config SCB0_MI4_SLOT28
+	int "Slot 28 slave interface id"
+	default 13
+	range 0 13
+
+config SCB0_MI4_SLOT29
+	int "Slot 29 slave interface id"
+	default 12
+	range 0 13
+
+config SCB0_MI4_SLOT30
+	int "Slot 30 slave interface id"
+	default 4
+	range 0 13
+
+config SCB0_MI4_SLOT31
+	int "Slot 31 slave interface id"
+	default 7
+	range 0 13
+
+endif # SCB0_MI4
+
+menuconfig	SCB0_MI5
+	bool "SCB0 Master Interface 5 (SMMR)"
+	default n
+	depends on SCB_PRIORITY
+	help
+	The slave interface id of each slot should be set according following table.
+	MMR0	-- 1
+	MMR1	-- 3
+	SCB2	-- 10
+	SCB4	-- 12
+
+if SCB0_MI5
+
+config SCB0_MI5_SLOT0
+	int "Slot 0 slave interface id"
+	default 1
+	range 0 13
+
+config SCB0_MI5_SLOT1
+	int "Slot 1 slave interface id"
+	default 3
+	range 0 13
+
+config SCB0_MI5_SLOT2
+	int "Slot 2 slave interface id"
+	default 10
+	range 0 13
+
+config SCB0_MI5_SLOT3
+	int "Slot 3 slave interface id"
+	default 12
+	range 0 13
+
+config SCB0_MI5_SLOT4
+	int "Slot 4 slave interface id"
+	default 1
+	range 0 13
+
+config SCB0_MI5_SLOT5
+	int "Slot 5 slave interface id"
+	default 3
+	range 0 13
+
+config SCB0_MI5_SLOT6
+	int "Slot 6 slave interface id"
+	default 10
+	range 0 13
+
+config SCB0_MI5_SLOT7
+	int "Slot 7 slave interface id"
+	default 12
+	range 0 13
+
+config SCB0_MI5_SLOT8
+	int "Slot 8 slave interface id"
+	default 1
+	range 0 13
+
+config SCB0_MI5_SLOT9
+	int "Slot 9 slave interface id"
+	default 3
+	range 0 13
+
+config SCB0_MI5_SLOT10
+	int "Slot 10 slave interface id"
+	default 10
+	range 0 13
+
+config SCB0_MI5_SLOT11
+	int "Slot 11 slave interface id"
+	default 12
+	range 0 13
+
+config SCB0_MI5_SLOT12
+	int "Slot 12 slave interface id"
+	default 1
+	range 0 13
+
+config SCB0_MI5_SLOT13
+	int "Slot 13 slave interface id"
+	default 3
+	range 0 13
+
+config SCB0_MI5_SLOT14
+	int "Slot 14 slave interface id"
+	default 10
+	range 0 13
+
+config SCB0_MI5_SLOT15
+	int "Slot 15 slave interface id"
+	default 12
+	range 0 13
+
+endif # SCB0_MI5
+
 endmenu
 
 endif
diff --git a/arch/blackfin/mach-bf609/Makefile b/arch/blackfin/mach-bf609/Makefile
index 234fe1b4bb0e..60ffaf85d303 100644
--- a/arch/blackfin/mach-bf609/Makefile
+++ b/arch/blackfin/mach-bf609/Makefile
@@ -4,3 +4,4 @@
 
 obj-y := dma.o clock.o ints-priority.o
 obj-$(CONFIG_PM) += pm.o dpm.o
+obj-$(CONFIG_SCB_PRIORITY) += scb.o
diff --git a/arch/blackfin/mach-bf609/scb.c b/arch/blackfin/mach-bf609/scb.c
new file mode 100644
index 000000000000..615c7a554d6b
--- /dev/null
+++ b/arch/blackfin/mach-bf609/scb.c
@@ -0,0 +1,232 @@
+/*
+ * arch/blackfin/mach-common/scb-init.c - reprogram system cross bar priority
+ *
+ * Copyright 2012 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <asm/blackfin.h>
+#include <asm/scb.h>
+
+struct scb_mi_prio scb_data[] = {
+#ifdef CONFIG_SCB0_MI0
+	{ REG_SCB0_ARBR0, REG_SCB0_ARBW0, 32, {
+		CONFIG_SCB0_MI0_SLOT0,
+		CONFIG_SCB0_MI0_SLOT1,
+		CONFIG_SCB0_MI0_SLOT2,
+		CONFIG_SCB0_MI0_SLOT3,
+		CONFIG_SCB0_MI0_SLOT4,
+		CONFIG_SCB0_MI0_SLOT5,
+		CONFIG_SCB0_MI0_SLOT6,
+		CONFIG_SCB0_MI0_SLOT7,
+		CONFIG_SCB0_MI0_SLOT8,
+		CONFIG_SCB0_MI0_SLOT9,
+		CONFIG_SCB0_MI0_SLOT10,
+		CONFIG_SCB0_MI0_SLOT11,
+		CONFIG_SCB0_MI0_SLOT12,
+		CONFIG_SCB0_MI0_SLOT13,
+		CONFIG_SCB0_MI0_SLOT14,
+		CONFIG_SCB0_MI0_SLOT15,
+		CONFIG_SCB0_MI0_SLOT16,
+		CONFIG_SCB0_MI0_SLOT17,
+		CONFIG_SCB0_MI0_SLOT18,
+		CONFIG_SCB0_MI0_SLOT19,
+		CONFIG_SCB0_MI0_SLOT20,
+		CONFIG_SCB0_MI0_SLOT21,
+		CONFIG_SCB0_MI0_SLOT22,
+		CONFIG_SCB0_MI0_SLOT23,
+		CONFIG_SCB0_MI0_SLOT24,
+		CONFIG_SCB0_MI0_SLOT25,
+		CONFIG_SCB0_MI0_SLOT26,
+		CONFIG_SCB0_MI0_SLOT27,
+		CONFIG_SCB0_MI0_SLOT28,
+		CONFIG_SCB0_MI0_SLOT29,
+		CONFIG_SCB0_MI0_SLOT30,
+		CONFIG_SCB0_MI0_SLOT31
+		},
+	},
+#endif
+#ifdef CONFIG_SCB0_MI1
+	{ REG_SCB0_ARBR1, REG_SCB0_ARBW1, 32, {
+		CONFIG_SCB0_MI1_SLOT0,
+		CONFIG_SCB0_MI1_SLOT1,
+		CONFIG_SCB0_MI1_SLOT2,
+		CONFIG_SCB0_MI1_SLOT3,
+		CONFIG_SCB0_MI1_SLOT4,
+		CONFIG_SCB0_MI1_SLOT5,
+		CONFIG_SCB0_MI1_SLOT6,
+		CONFIG_SCB0_MI1_SLOT7,
+		CONFIG_SCB0_MI1_SLOT8,
+		CONFIG_SCB0_MI1_SLOT9,
+		CONFIG_SCB0_MI1_SLOT10,
+		CONFIG_SCB0_MI1_SLOT11,
+		CONFIG_SCB0_MI1_SLOT12,
+		CONFIG_SCB0_MI1_SLOT13,
+		CONFIG_SCB0_MI1_SLOT14,
+		CONFIG_SCB0_MI1_SLOT15,
+		CONFIG_SCB0_MI1_SLOT16,
+		CONFIG_SCB0_MI1_SLOT17,
+		CONFIG_SCB0_MI1_SLOT18,
+		CONFIG_SCB0_MI1_SLOT19,
+		CONFIG_SCB0_MI1_SLOT20,
+		CONFIG_SCB0_MI1_SLOT21,
+		CONFIG_SCB0_MI1_SLOT22,
+		CONFIG_SCB0_MI1_SLOT23,
+		CONFIG_SCB0_MI1_SLOT24,
+		CONFIG_SCB0_MI1_SLOT25,
+		CONFIG_SCB0_MI1_SLOT26,
+		CONFIG_SCB0_MI1_SLOT27,
+		CONFIG_SCB0_MI1_SLOT28,
+		CONFIG_SCB0_MI1_SLOT29,
+		CONFIG_SCB0_MI1_SLOT30,
+		CONFIG_SCB0_MI1_SLOT31
+		},
+	},
+#endif
+#ifdef CONFIG_SCB0_MI2
+	{ REG_SCB0_ARBR2, REG_SCB0_ARBW2, 32, {
+		CONFIG_SCB0_MI2_SLOT0,
+		CONFIG_SCB0_MI2_SLOT1,
+		CONFIG_SCB0_MI2_SLOT2,
+		CONFIG_SCB0_MI2_SLOT3,
+		CONFIG_SCB0_MI2_SLOT4,
+		CONFIG_SCB0_MI2_SLOT5,
+		CONFIG_SCB0_MI2_SLOT6,
+		CONFIG_SCB0_MI2_SLOT7,
+		CONFIG_SCB0_MI2_SLOT8,
+		CONFIG_SCB0_MI2_SLOT9,
+		CONFIG_SCB0_MI2_SLOT10,
+		CONFIG_SCB0_MI2_SLOT11,
+		CONFIG_SCB0_MI2_SLOT12,
+		CONFIG_SCB0_MI2_SLOT13,
+		CONFIG_SCB0_MI2_SLOT14,
+		CONFIG_SCB0_MI2_SLOT15,
+		CONFIG_SCB0_MI2_SLOT16,
+		CONFIG_SCB0_MI2_SLOT17,
+		CONFIG_SCB0_MI2_SLOT18,
+		CONFIG_SCB0_MI2_SLOT19,
+		CONFIG_SCB0_MI2_SLOT20,
+		CONFIG_SCB0_MI2_SLOT21,
+		CONFIG_SCB0_MI2_SLOT22,
+		CONFIG_SCB0_MI2_SLOT23,
+		CONFIG_SCB0_MI2_SLOT24,
+		CONFIG_SCB0_MI2_SLOT25,
+		CONFIG_SCB0_MI2_SLOT26,
+		CONFIG_SCB0_MI2_SLOT27,
+		CONFIG_SCB0_MI2_SLOT28,
+		CONFIG_SCB0_MI2_SLOT29,
+		CONFIG_SCB0_MI2_SLOT30,
+		CONFIG_SCB0_MI2_SLOT31
+		},
+	},
+#endif
+#ifdef CONFIG_SCB0_MI3
+	{ REG_SCB0_ARBR3, REG_SCB0_ARBW3, 32, {
+		CONFIG_SCB0_MI3_SLOT0,
+		CONFIG_SCB0_MI3_SLOT1,
+		CONFIG_SCB0_MI3_SLOT2,
+		CONFIG_SCB0_MI3_SLOT3,
+		CONFIG_SCB0_MI3_SLOT4,
+		CONFIG_SCB0_MI3_SLOT5,
+		CONFIG_SCB0_MI3_SLOT6,
+		CONFIG_SCB0_MI3_SLOT7,
+		CONFIG_SCB0_MI3_SLOT8,
+		CONFIG_SCB0_MI3_SLOT9,
+		CONFIG_SCB0_MI3_SLOT10,
+		CONFIG_SCB0_MI3_SLOT11,
+		CONFIG_SCB0_MI3_SLOT12,
+		CONFIG_SCB0_MI3_SLOT13,
+		CONFIG_SCB0_MI3_SLOT14,
+		CONFIG_SCB0_MI3_SLOT15,
+		CONFIG_SCB0_MI3_SLOT16,
+		CONFIG_SCB0_MI3_SLOT17,
+		CONFIG_SCB0_MI3_SLOT18,
+		CONFIG_SCB0_MI3_SLOT19,
+		CONFIG_SCB0_MI3_SLOT20,
+		CONFIG_SCB0_MI3_SLOT21,
+		CONFIG_SCB0_MI3_SLOT22,
+		CONFIG_SCB0_MI3_SLOT23,
+		CONFIG_SCB0_MI3_SLOT24,
+		CONFIG_SCB0_MI3_SLOT25,
+		CONFIG_SCB0_MI3_SLOT26,
+		CONFIG_SCB0_MI3_SLOT27,
+		CONFIG_SCB0_MI3_SLOT28,
+		CONFIG_SCB0_MI3_SLOT29,
+		CONFIG_SCB0_MI3_SLOT30,
+		CONFIG_SCB0_MI3_SLOT31
+		},
+	},
+#endif
+#ifdef CONFIG_SCB0_MI4
+	{ REG_SCB0_ARBR4, REG_SCB4_ARBW0, 32, {
+		CONFIG_SCB0_MI4_SLOT0,
+		CONFIG_SCB0_MI4_SLOT1,
+		CONFIG_SCB0_MI4_SLOT2,
+		CONFIG_SCB0_MI4_SLOT3,
+		CONFIG_SCB0_MI4_SLOT4,
+		CONFIG_SCB0_MI4_SLOT5,
+		CONFIG_SCB0_MI4_SLOT6,
+		CONFIG_SCB0_MI4_SLOT7,
+		CONFIG_SCB0_MI4_SLOT8,
+		CONFIG_SCB0_MI4_SLOT9,
+		CONFIG_SCB0_MI4_SLOT10,
+		CONFIG_SCB0_MI4_SLOT11,
+		CONFIG_SCB0_MI4_SLOT12,
+		CONFIG_SCB0_MI4_SLOT13,
+		CONFIG_SCB0_MI4_SLOT14,
+		CONFIG_SCB0_MI4_SLOT15,
+		CONFIG_SCB0_MI4_SLOT16,
+		CONFIG_SCB0_MI4_SLOT17,
+		CONFIG_SCB0_MI4_SLOT18,
+		CONFIG_SCB0_MI4_SLOT19,
+		CONFIG_SCB0_MI4_SLOT20,
+		CONFIG_SCB0_MI4_SLOT21,
+		CONFIG_SCB0_MI4_SLOT22,
+		CONFIG_SCB0_MI4_SLOT23,
+		CONFIG_SCB0_MI4_SLOT24,
+		CONFIG_SCB0_MI4_SLOT25,
+		CONFIG_SCB0_MI4_SLOT26,
+		CONFIG_SCB0_MI4_SLOT27,
+		CONFIG_SCB0_MI4_SLOT28,
+		CONFIG_SCB0_MI4_SLOT29,
+		CONFIG_SCB0_MI4_SLOT30,
+		CONFIG_SCB0_MI4_SLOT31
+		},
+	},
+#endif
+#ifdef CONFIG_SCB0_MI5
+	{ REG_SCB0_ARBR5, REG_SCB0_ARBW5, 16, {
+		CONFIG_SCB0_MI5_SLOT0,
+		CONFIG_SCB0_MI5_SLOT1,
+		CONFIG_SCB0_MI5_SLOT2,
+		CONFIG_SCB0_MI5_SLOT3,
+		CONFIG_SCB0_MI5_SLOT4,
+		CONFIG_SCB0_MI5_SLOT5,
+		CONFIG_SCB0_MI5_SLOT6,
+		CONFIG_SCB0_MI5_SLOT7,
+		CONFIG_SCB0_MI5_SLOT8,
+		CONFIG_SCB0_MI5_SLOT9,
+		CONFIG_SCB0_MI5_SLOT10,
+		CONFIG_SCB0_MI5_SLOT11,
+		CONFIG_SCB0_MI5_SLOT12,
+		CONFIG_SCB0_MI5_SLOT13,
+		CONFIG_SCB0_MI5_SLOT14,
+		CONFIG_SCB0_MI5_SLOT15,
+		},
+	},
+#endif
+/*
+	{ REG_SCB1_ARBR0, REG_SCB1_ARBW0, scb1_mi0, 20 },
+	{ REG_SCB2_ARBR0, REG_SCB2_ARBW0, scb2_mi0, 10 },
+	{ REG_SCB3_ARBR0, REG_SCB3_ARBW0, scb3_mi0, 16 },
+	{ REG_SCB4_ARBR0, REG_SCB4_ARBW0, scb4_mi0, 16 },
+	{ REG_SCB5_ARBR0, REG_SCB5_ARBW0, scb5_mi0, 8 },
+	{ REG_SCB6_ARBR0, REG_SCB6_ARBW0, scb6_mi0, 4 },
+	{ REG_SCB7_ARBR0, REG_SCB7_ARBW0, scb7_mi0, 6 },
+	{ REG_SCB8_ARBR0, REG_SCB8_ARBW0, scb8_mi0, 8 },
+	{ REG_SCB9_ARBR0, REG_SCB9_ARBW0, scb9_mi0, 10 },
+	{ REG_SCB10_ARBR0, REG_SCB10_ARBW0, scb20_mi0, 16 },
+*/
+	{ 0, }
+};