From mboxrd@z Thu Jan 1 00:00:00 1970 From: haojian.zhuang@marvell.com (Haojian Zhuang) Date: Fri, 4 Dec 2009 08:35:17 -0500 Subject: [PATCH] [ARM] mmp: support PJ4 core Message-ID: To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Marvell PJ4 core is compatible to ARMv6 architecture. Signed-off-by: Haojian Zhuang --- arch/arm/boot/compressed/head.S | 6 ++++++ arch/arm/mm/proc-v6.S | 32 +++++++++++++++++++++++++++++++- 2 files changed, 37 insertions(+), 1 deletions(-) diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S index fa6fbf4..d356af7 100644 --- a/arch/arm/boot/compressed/head.S +++ b/arch/arm/boot/compressed/head.S @@ -743,6 +743,12 @@ proc_types: W(b) __armv4_mmu_cache_off W(b) __armv6_mmu_cache_flush + .word 0x560f5810 @ Marvell PJ4 ARMv6 + .word 0xff0ffff0 + W(b) __armv4_mmu_cache_on + W(b) __armv4_mmu_cache_off + W(b) __armv6_mmu_cache_flush + .word 0x000f0000 @ new CPU Id .word 0x000f0000 W(b) __armv7_mmu_cache_on diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S index 70f75d2..9d138cc 100644 --- a/arch/arm/mm/proc-v6.S +++ b/arch/arm/mm/proc-v6.S @@ -130,9 +130,16 @@ ENTRY(cpu_v6_set_pte_ext) - + .type cpu_v6_name, #object cpu_v6_name: .asciz "ARMv6-compatible processor" + .size cpu_v6_name, . - cpu_v6_name + + .type cpu_pj4_name, #object +cpu_pj4_name: + .asciz "Marvell PJ4 processor" + .size cpu_pj4_name, . - cpu_pj4_name + .align __INIT @@ -241,3 +248,26 @@ __v6_proc_info: .long v6_user_fns .long v6_cache_fns .size __v6_proc_info, . - __v6_proc_info + + .type __pj4_v6_proc_info, #object +__pj4_v6_proc_info: + .long 0x560f5810 + .long 0xff0ffff0 + .long PMD_TYPE_SECT | \ + PMD_SECT_AP_WRITE | \ + PMD_SECT_AP_READ | \ + PMD_FLAGS + .long PMD_TYPE_SECT | \ + PMD_SECT_XN | \ + PMD_SECT_AP_WRITE | \ + PMD_SECT_AP_READ + b __v6_setup + .long cpu_arch_name + .long cpu_elf_name + .long HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP|HWCAP_JAVA + .long cpu_v6_name + .long v6_processor_functions + .long v6wbi_tlb_fns + .long v6_user_fns + .long v6_cache_fns + .size __pj4_v6_proc_info, . - __pj4_v6_proc_info -- 1.5.6.5