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2013-06-17ARM: mpu: Ensure that MPU depends on CPU_V7Jonathan Austin
The support for the MPU is currently implemented only for R-class (PMSAv7/R). Since the merge of V7M support in to the kernel it is possible to select MPU support on V7M. This patch ensures that until MPU support for M-class processors is implemented, the MPU can only be selected with R-class CPUs Signed-off-by: Jonathan Austin <jonathan.austin@arm.com> Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2013-06-17ARM: mpu: Allow enabling of the MPU via kconfigJonathan Austin
Allows the user to select MPU support when compiling for ARM processors that support the PMSAv7. This ensures that CONFIG_SMP depends on the MPU in the case that no MMU is present. CONFIG_SMP_ON_UP is not implemented for nommu, so introduce an MMU dependency there. Signed-off-by: Jonathan Austin <jonathan.austin@arm.com> Reviewed-by: Will Deacon <will.deacon@arm.com>
2013-04-17ARM: ARMv7-M: Allow the building of new kernel portUwe Kleine-König
This patch modifies the required Kconfig and Makefile files to allow the building of kernel for Cortex-M3. Signed-off-by: Catalin Marinas <catalin.marinas@arm.com> Reviewed-by: Jonathan Austin <jonathan.austin@arm.com> Tested-by: Jonathan Austin <jonathan.austin@arm.com> Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
2011-03-31Fix common misspellingsLucas De Marchi
Fixes generated by 'codespell' and manually reviewed. Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
2007-10-12[ARM] 4532/1: allow configuration of processor IDGreg Ungerer
Allow for configuration of the processor ID for the simplar non-MMU ARM parts. Signed-off-by: Greg Ungerer <gerg@uclinux.org> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-09-27[ARM] nommu: manage the CP15 thingsHyok S. Choi
All the current CP15 access codes in ARM arch can be categorized and conditioned by the defines as follows: Related operation Safe condition a. any CP15 access !CPU_CP15 b. alignment trap CPU_CP15_MMU c. D-cache(C-bit) CPU_CP15 d. I-cache CPU_CP15 && !( CPU_ARM610 || CPU_ARM710 || CPU_ARM720 || CPU_ARM740 || CPU_XSCALE || CPU_XSC3 ) e. alternate vector CPU_CP15 && !CPU_ARM740 f. TTB CPU_CP15_MMU g. Domain CPU_CP15_MMU h. FSR/FAR CPU_CP15_MMU For example, alternate vector is supported if and only if "CPU_CP15 && !CPU_ARM740" is satisfied. Signed-off-by: Hyok S. Choi <hyok.choi@samsung.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-03-27[ARM] nommu: fixups for the exception vectorsHyok S. Choi
The high page vector (0xFFFF0000) does not supported in nommu mode. This patch allows the vectors to be 0x00000000 or the begining of DRAM in nommu mode. Signed-off-by: Hyok S. Choi <hyok.choi@samsung.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
2006-03-27[ARM] nommu: add nommu specific Kconfig and MMUEXT variable in MakefileHyok S. Choi
This patch adds Kconfig-nommu for noMMU specific configurations and MMUEXT variable into Makefile. Signed-off-by: Hyok S. Choi <hyok.choi@samsung.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>