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hw/mips_cmgcr: allow GCR base to be moved

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Support moving the GCR base address & updating the CPU's CP0 CMGCRBase
register appropriately. This is required if a platform needs to move its
GCRs away from other memory, as the MIPS Boston development board does
to avoid its flash memory.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>
Reviewed-by: Leon Alrae <leon.alrae@imgtec.com>
Signed-off-by: Yongbok Kim <yongbok.kim@imgtec.com>
This commit is contained in:
Paul Burton 2016-09-08 15:51:51 +01:00 • committed by Yongbok Kim
parent 796b288f7b
commit 08944be1d9
2 changed files with 20 additions and 0 deletions
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3
include/hw/misc/mips_cmgcr.h
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@ -41,6 +41,9 @@
#define GCR_L2_CONFIG_BYPASS_SHF 20
#define GCR_L2_CONFIG_BYPASS_MSK ((0x1ULL) << GCR_L2_CONFIG_BYPASS_SHF)
/* GCR_BASE register fields */
#define GCR_BASE_GCRBASE_MSK 0xffffffff8000ULL
/* GCR_GIC_BASE register fields */
#define GCR_GIC_BASE_GICEN_MSK 1
#define GCR_GIC_BASE_GICBASE_MSK 0xFFFFFFFE0000ULL