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MIPS: Make CM GCR base configurable

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Without adding a prompt for CONFIG_MIPS_CM_BASE, Kconfig doesn't allow
defconfigs to set it. Provide the prompt in order to allow for that.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Signed-off-by: Daniel Schwierzeck <daniel.schwierzeck@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Paul Burton 2017-05-12 13:26:11 +02:00 • committed by Daniel Schwierzeck
parent 63c011f7b4
commit 939a255a67
2 changed files with 12 additions and 9 deletions
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19
arch/mips/Kconfig
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@ -221,6 +221,16 @@ config ROM_EXCEPTION_VECTORS
Disable this, if the U-Boot image is booted from DRAM (e.g. by SPL). Disable this, if the U-Boot image is booted from DRAM (e.g. by SPL).
In that case the image size will be reduced by 0x500 bytes. In that case the image size will be reduced by 0x500 bytes.
config MIPS_CM_BASE
hex "MIPS CM GCR Base Address"
depends on MIPS_CM
default 0x1fbf8000
help
The physical base address at which to map the MIPS Coherence Manager
Global Configuration Registers (GCRs). This should be set such that
the GCRs occupy a region of the physical address space which is
otherwise unused, or at minimum that software doesn't need to access.
endmenu endmenu
menu "OS boot interface" menu "OS boot interface"
@ -393,15 +403,6 @@ config MIPS_CM
wish U-Boot to configure it or make use of it to retrieve system wish U-Boot to configure it or make use of it to retrieve system
information such as cache configuration. information such as cache configuration.
config MIPS_CM_BASE
hex
default 0x1fbf8000
help
The physical base address at which to map the MIPS Coherence Manager
Global Configuration Registers (GCRs). This should be set such that
the GCRs occupy a region of the physical address space which is
otherwise unused, or at minimum that software doesn't need to access.
endif endif
endmenu endmenu

2
arch/mips/lib/cache.c
View file

@ -7,7 +7,9 @@
#include <common.h> #include <common.h>
#include <asm/cacheops.h> #include <asm/cacheops.h>
#ifdef CONFIG_MIPS_L2_CACHE
#include <asm/cm.h> #include <asm/cm.h>
#endif
#include <asm/mipsregs.h> #include <asm/mipsregs.h>
DECLARE_GLOBAL_DATA_PTR; DECLARE_GLOBAL_DATA_PTR;