From 24a70cf2b28e24aa31c4f9bc310cc274c0a90183 Mon Sep 17 00:00:00 2001 From: Steven Miao Date: Thu, 12 Sep 2013 16:36:16 +0800 Subject: [PATCH] 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 + arch/blackfin/kernel/setup.c | 6 + arch/blackfin/mach-bf609/Kconfig | 1017 ++++++++++++++++++++++++++++++++++ arch/blackfin/mach-bf609/Makefile | 1 + arch/blackfin/mach-bf609/scb.c | 232 ++++++++ arch/blackfin/mach-common/Makefile | 1 + arch/blackfin/mach-common/scb-init.c | 53 ++ 7 files changed, 1331 insertions(+) create mode 100644 arch/blackfin/include/asm/scb.h create mode 100644 arch/blackfin/mach-bf609/scb.c create mode 100644 arch/blackfin/mach-common/scb-init.c diff --git a/arch/blackfin/include/asm/scb.h b/arch/blackfin/include/asm/scb.h new file mode 100644 index 0000000..a294cc0 --- /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); diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c index 19ad063..3961930 100644 --- a/arch/blackfin/kernel/setup.c +++ b/arch/blackfin/kernel/setup.c @@ -35,6 +35,9 @@ #ifdef CONFIG_BF60x #include #endif +#ifdef CONFIG_SCB_PRIORITY +#include +#endif u16 _bfin_swrst; EXPORT_SYMBOL(_bfin_swrst); @@ -1101,6 +1104,9 @@ void __init setup_arch(char **cmdline_p) #endif init_exception_vectors(); bfin_cache_init(); /* Initialize caches for the boot CPU */ +#ifdef CONFIG_SCB_PRIORITY + init_scb(); +#endif } static int __init topology_init(void) diff --git a/arch/blackfin/mach-bf609/Kconfig b/arch/blackfin/mach-bf609/Kconfig index 95a4f1b..ffc1708 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 234fe1b..60ffaf8 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 0000000..615c7a5 --- /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 +#include + +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, } +}; diff --git a/arch/blackfin/mach-common/Makefile b/arch/blackfin/mach-common/Makefile index 675466d..f099792 100644 --- a/arch/blackfin/mach-common/Makefile +++ b/arch/blackfin/mach-common/Makefile @@ -10,6 +10,7 @@ obj-$(CONFIG_PM) += pm.o ifneq ($(CONFIG_BF60x),y) obj-$(CONFIG_PM) += dpmc_modes.o endif +obj-$(CONFIG_SCB_PRIORITY) += scb-init.o obj-$(CONFIG_CPU_VOLTAGE) += dpmc.o obj-$(CONFIG_SMP) += smp.o obj-$(CONFIG_BFIN_KERNEL_CLOCK) += clocks-init.o diff --git a/arch/blackfin/mach-common/scb-init.c b/arch/blackfin/mach-common/scb-init.c new file mode 100644 index 0000000..2cbfb0b --- /dev/null +++ b/arch/blackfin/mach-common/scb-init.c @@ -0,0 +1,53 @@ +/* + * 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 +#include +#include +#include + +__attribute__((l1_text)) +inline void scb_mi_write(unsigned long scb_mi_arbw, unsigned int slots, + unsigned char *scb_mi_prio) +{ + unsigned int i; + + for (i = 0; i < slots; ++i) + bfin_write32(scb_mi_arbw, (i << SCB_SLOT_OFFSET) | scb_mi_prio[i]); +} + +__attribute__((l1_text)) +inline void scb_mi_read(unsigned long scb_mi_arbw, unsigned int slots, + unsigned char *scb_mi_prio) +{ + unsigned int i; + + for (i = 0; i < slots; ++i) { + bfin_write32(scb_mi_arbw, (0xFF << SCB_SLOT_OFFSET) | i); + scb_mi_prio[i] = bfin_read32(scb_mi_arbw); + } +} + +__attribute__((l1_text)) +void init_scb(void) +{ + unsigned int i, j; + unsigned char scb_tmp_prio[32]; + + pr_info("Init System Crossbar\n"); + for (i = 0; scb_data[i].scb_mi_arbr > 0; ++i) { + + scb_mi_write(scb_data[i].scb_mi_arbw, scb_data[i].scb_mi_slots, scb_data[i].scb_mi_prio); + + pr_debug("scb priority at 0x%lx:\n", scb_data[i].scb_mi_arbr); + scb_mi_read(scb_data[i].scb_mi_arbw, scb_data[i].scb_mi_slots, scb_tmp_prio); + for (j = 0; j < scb_data[i].scb_mi_slots; ++j) + pr_debug("slot %d = %d\n", j, scb_tmp_prio[j]); + } + +} -- 2.7.4