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-rw-r--r--arch/blackfin/Kconfig86
1 files changed, 61 insertions, 25 deletions
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 3640cdc38aac..a60cfe757914 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -223,6 +223,7 @@ endchoice
config SMP
depends on BF561
+ select GENERIC_TIME
bool "Symmetric multi-processing support"
---help---
This enables support for systems with more than one CPU,
@@ -241,12 +242,6 @@ config IRQ_PER_CPU
depends on SMP
default y
-config TICK_SOURCE_SYSTMR0
- bool
- select BFIN_GPTIMERS
- depends on SMP
- default y
-
config BF_REV_MIN
int
default 0 if (BF51x || BF52x || (BF54x && !BF54xM))
@@ -263,8 +258,8 @@ config BF_REV_MAX
choice
prompt "Silicon Rev"
- default BF_REV_0_1 if (BF51x || BF52x || (BF54x && !BF54xM))
- default BF_REV_0_2 if (BF534 || BF536 || BF537)
+ default BF_REV_0_0 if (BF51x || BF52x)
+ default BF_REV_0_2 if (BF534 || BF536 || BF537 || (BF54x && !BF54xM))
default BF_REV_0_3 if (BF531 || BF532 || BF533 || BF54xM || BF561)
config BF_REV_0_0
@@ -607,7 +602,6 @@ source kernel/Kconfig.hz
config GENERIC_TIME
bool "Generic time"
- depends on !SMP
default y
config GENERIC_CLOCKEVENTS
@@ -615,12 +609,26 @@ config GENERIC_CLOCKEVENTS
depends on GENERIC_TIME
default y
+choice
+ prompt "Kernel Tick Source"
+ depends on GENERIC_CLOCKEVENTS
+ default TICKSOURCE_CORETMR
+
+config TICKSOURCE_GPTMR0
+ bool "Gptimer0 (SCLK domain)"
+ select BFIN_GPTIMERS
+ depends on !IPIPE
+
+config TICKSOURCE_CORETMR
+ bool "Core timer (CCLK domain)"
+
+endchoice
+
config CYCLES_CLOCKSOURCE
- bool "Use 'CYCLES' as a clocksource (EXPERIMENTAL)"
- depends on EXPERIMENTAL
+ bool "Use 'CYCLES' as a clocksource"
depends on GENERIC_CLOCKEVENTS
depends on !BFIN_SCRATCH_REG_CYCLES
- default n
+ depends on !SMP
help
If you say Y here, you will enable support for using the 'cycles'
registers as a clock source. Doing so means you will be unable to
@@ -628,6 +636,11 @@ config CYCLES_CLOCKSOURCE
still be able to read it (such as for performance monitoring), but
writing the registers will most likely crash the kernel.
+config GPTMR0_CLOCKSOURCE
+ bool "Use GPTimer0 as a clocksource (higher rating)"
+ depends on GENERIC_CLOCKEVENTS
+ depends on !TICKSOURCE_GPTMR0
+
source kernel/time/Kconfig
comment "Misc"
@@ -808,7 +821,7 @@ config APP_STACK_L1
config EXCEPTION_L1_SCRATCH
bool "Locate exception stack in L1 Scratch Memory"
default n
- depends on !APP_STACK_L1 && !SYSCALL_TAB_L1
+ depends on !APP_STACK_L1
help
Whenever an exception occurs, use the L1 Scratch memory for
stack storage. You cannot place the stacks of FLAT binaries
@@ -872,7 +885,7 @@ config BFIN_GPTIMERS
are unsure, say N.
To compile this driver as a module, choose M here: the module
- will be called gptimers.ko.
+ will be called gptimers.
choice
prompt "Uncached DMA region"
@@ -901,7 +914,7 @@ config BFIN_ICACHE_LOCK
bool "Enable Instruction Cache Locking"
choice
- prompt "Policy"
+ prompt "External memory cache policy"
depends on BFIN_DCACHE
default BFIN_WB if !SMP
default BFIN_WT if SMP
@@ -942,12 +955,22 @@ config BFIN_WT
endchoice
-config BFIN_L2_CACHEABLE
- bool "Cache L2 SRAM"
- depends on (BFIN_DCACHE || BFIN_ICACHE) && (BF54x || (BF561 && !SMP))
- default n
- help
- Select to make L2 SRAM cacheable in L1 data and instruction cache.
+choice
+ prompt "L2 SRAM cache policy"
+ depends on (BF54x || BF561)
+ default BFIN_L2_WT
+config BFIN_L2_WB
+ bool "Write back"
+ depends on !SMP
+
+config BFIN_L2_WT
+ bool "Write through"
+ depends on !SMP
+
+config BFIN_L2_NOT_CACHED
+ bool "Not cached"
+
+endchoice
config MPU
bool "Enable the memory protection unit (EXPERIMENTAL)"
@@ -1011,21 +1034,34 @@ endmenu
menu "EBIU_AMBCTL Control"
config BANK_0
- hex "Bank 0"
+ hex "Bank 0 (AMBCTL0.L)"
default 0x7BB0
+ help
+ These are the low 16 bits of the EBIU_AMBCTL0 MMR which are
+ used to control the Asynchronous Memory Bank 0 settings.
config BANK_1
- hex "Bank 1"
+ hex "Bank 1 (AMBCTL0.H)"
default 0x7BB0
default 0x5558 if BF54x
+ help
+ These are the high 16 bits of the EBIU_AMBCTL0 MMR which are
+ used to control the Asynchronous Memory Bank 1 settings.
config BANK_2
- hex "Bank 2"
+ hex "Bank 2 (AMBCTL1.L)"
default 0x7BB0
+ help
+ These are the low 16 bits of the EBIU_AMBCTL1 MMR which are
+ used to control the Asynchronous Memory Bank 2 settings.
config BANK_3
- hex "Bank 3"
+ hex "Bank 3 (AMBCTL1.H)"
default 0x99B3
+ help
+ These are the high 16 bits of the EBIU_AMBCTL1 MMR which are
+ used to control the Asynchronous Memory Bank 3 settings.
+
endmenu
config EBIU_MBSCTLVAL