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| author | Vinh Nguyen Huu Tuong <vhtnguyen@apm.com> | 2012-07-02 22:52:30 +0000 |
|---|---|---|
| committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2013-01-10 15:08:37 +1100 |
| commit | c19d82486216b1c674208f76fed6b9eb4ee45ad3 (patch) | |
| tree | ddaa0f230e5be8b84e349c1aed873410e190c00a /arch/powerpc/platforms | |
| parent | 0388c79c99ccb43f711af57d2e14fcd6a5f45a06 (diff) | |
| download | blackbird-op-linux-c19d82486216b1c674208f76fed6b9eb4ee45ad3.tar.gz blackbird-op-linux-c19d82486216b1c674208f76fed6b9eb4ee45ad3.zip | |
powerpc/44x: Support OCM(On Chip Memory) for APM821xx SoC and Bluestone board
This patch consists of:
- Add driver for OCM component
- Export OCM Information at /sys/kernel/debug/ppc4xx_ocm/info
Signed-off-by: Vinh Nguyen Huu Tuong <vhtnguyen@apm.com>
Acked-by: Josh Boyer <jwboyer@gmail.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/platforms')
| -rw-r--r-- | arch/powerpc/platforms/44x/Kconfig | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/platforms/44x/Kconfig b/arch/powerpc/platforms/44x/Kconfig index 8abf6fb8f410..0effe9f5a1ea 100644 --- a/arch/powerpc/platforms/44x/Kconfig +++ b/arch/powerpc/platforms/44x/Kconfig @@ -252,6 +252,14 @@ config PPC4xx_GPIO help Enable gpiolib support for ppc440 based boards +config PPC4xx_OCM + bool "PPC4xx On Chip Memory (OCM) support" + depends on 4xx + select PPC_LIB_RHEAP + help + Enable OCM support for PowerPC 4xx platforms with on chip memory, + OCM provides the fast place for memory access to improve performance. + # 44x specific CPU modules, selected based on the board above. config 440EP bool |
