diff options
Diffstat (limited to 'arch/arm/mm')
| -rw-r--r-- | arch/arm/mm/Kconfig | 9 | ||||
| -rw-r--r-- | arch/arm/mm/proc-feroceon.S | 27 |
2 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index 378fb744abe..9cdc74f94b1 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -354,6 +354,15 @@ config CPU_FEROCEON select CPU_COPY_V4WB if MMU select CPU_TLB_V4WBI if MMU +config CPU_FEROCEON_OLD_ID + bool "Accept early Feroceon cores with an ARM926 ID" + depends on CPU_FEROCEON && !CPU_ARM926T + default y + help + This enables the usage of some old Feroceon cores + for which the CPU ID is equal to the ARM926 ID. + Relevant for Feroceon-1850 and early Feroceon-2850. + # ARMv6 config CPU_V6 bool "Support ARM V6 processor" diff --git a/arch/arm/mm/proc-feroceon.S b/arch/arm/mm/proc-feroceon.S index 8ad341af790..fa0dc7e6f0e 100644 --- a/arch/arm/mm/proc-feroceon.S +++ b/arch/arm/mm/proc-feroceon.S @@ -453,6 +453,33 @@ cpu_feroceon_name: .section ".proc.info.init", #alloc, #execinstr +#ifdef CONFIG_CPU_FEROCEON_OLD_ID + .type __feroceon_old_id_proc_info,#object +__feroceon_old_id_proc_info: + .long 0x41069260 + .long 0xfffffff0 + .long PMD_TYPE_SECT | \ + PMD_SECT_BUFFERABLE | \ + PMD_SECT_CACHEABLE | \ + PMD_BIT4 | \ + PMD_SECT_AP_WRITE | \ + PMD_SECT_AP_READ + .long PMD_TYPE_SECT | \ + PMD_BIT4 | \ + PMD_SECT_AP_WRITE | \ + PMD_SECT_AP_READ + b __feroceon_setup + .long cpu_arch_name + .long cpu_elf_name + .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP + .long cpu_feroceon_name + .long feroceon_processor_functions + .long v4wbi_tlb_fns + .long v4wb_user_fns + .long feroceon_cache_fns + .size __feroceon_old_id_proc_info, . - __feroceon_old_id_proc_info +#endif + .type __feroceon_proc_info,#object __feroceon_proc_info: .long 0x56055310 |