diff options
Diffstat (limited to 'arch/mips/include/asm/mips-cm.h')
| -rw-r--r-- | arch/mips/include/asm/mips-cm.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/arch/mips/include/asm/mips-cm.h b/arch/mips/include/asm/mips-cm.h index 23c67c0871b1..c2930a75b7e4 100644 --- a/arch/mips/include/asm/mips-cm.h +++ b/arch/mips/include/asm/mips-cm.h @@ -22,16 +22,28 @@ extern void __iomem *mips_gcr_base; extern void __iomem *mips_cm_l2sync_base; /** - * __mips_cm_phys_base - retrieve the physical base address of the CM + * mips_cm_phys_base - retrieve the physical base address of the CM * * This function returns the physical base address of the Coherence Manager * global control block, or 0 if no Coherence Manager is present. It provides * a default implementation which reads the CMGCRBase register where available, * and may be overridden by platforms which determine this address in a - * different way by defining a function with the same prototype except for the - * name mips_cm_phys_base (without underscores). + * different way by defining a function with the same prototype. */ -extern phys_addr_t __mips_cm_phys_base(void); +extern phys_addr_t mips_cm_phys_base(void); + +/** + * mips_cm_l2sync_phys_base - retrieve the physical base address of the CM + * L2-sync region + * + * This function returns the physical base address of the Coherence Manager + * L2-cache only region. It provides a default implementation which reads the + * CMGCRL2OnlySyncBase register where available or returns a 4K region just + * behind the CM GCR base address. It may be overridden by platforms which + * determine this address in a different way by defining a function with the + * same prototype. + */ +extern phys_addr_t mips_cm_l2sync_phys_base(void); /* * mips_cm_is64 - determine CM register width @@ -311,6 +323,7 @@ GCR_CX_ACCESSOR_RW(32, 0x018, other) /* GCR_Cx_RESET_BASE - Configure where powered up cores will fetch from */ GCR_CX_ACCESSOR_RW(32, 0x020, reset_base) #define CM_GCR_Cx_RESET_BASE_BEVEXCBASE GENMASK(31, 12) +#define CM_GCR_Cx_RESET_BASE_MODE BIT(1) /* GCR_Cx_ID - Identify the current core */ GCR_CX_ACCESSOR_RO(32, 0x028, id) |