[ARM] pxa: add base PXA935 support due to CPUID change

PXA935 has changed its implementor ID from Intel to Marvell, this
patch modifies arch/arm/boot/compressed/head.S and proc-xsc3.S to
support a smooth bootup.

Signed-off-by: Eric Miao <eric.miao@marvell.com>

diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 84a1e04..6066509 100644 (file)
--- a/arch/arm/boot/compressed/head.S
+++ b/arch/arm/boot/compressed/head.S
@@ -624,6 +624,12 @@ proc_types:
                b       __armv4_mmu_cache_off
                b       __armv4_mmu_cache_flush
 
+               .word   0x56056930
+               .word   0xff0ffff0              @ PXA935
+               b       __armv4_mmu_cache_on
+               b       __armv4_mmu_cache_off
+               b       __armv4_mmu_cache_flush
+
                .word   0x56050000              @ Feroceon
                .word   0xff0f0000
                b       __armv4_mmu_cache_on

diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S
index 8f6cf56..33515c2 100644 (file)
--- a/arch/arm/mm/proc-xsc3.S
+++ b/arch/arm/mm/proc-xsc3.S
@@ -481,3 +481,28 @@ __xsc3_proc_info:
        .long   xsc3_mc_user_fns
        .long   xsc3_cache_fns
        .size   __xsc3_proc_info, . - __xsc3_proc_info
+
+/* Note: PXA935 changed its implementor ID from Intel to Marvell */
+
+       .type   __xsc3_pxa935_proc_info,#object
+__xsc3_pxa935_proc_info:
+       .long   0x56056000
+       .long   0xffffe000
+       .long   PMD_TYPE_SECT | \
+               PMD_SECT_BUFFERABLE | \
+               PMD_SECT_CACHEABLE | \
+               PMD_SECT_AP_WRITE | \
+               PMD_SECT_AP_READ
+       .long   PMD_TYPE_SECT | \
+               PMD_SECT_AP_WRITE | \
+               PMD_SECT_AP_READ
+       b       __xsc3_setup
+       .long   cpu_arch_name
+       .long   cpu_elf_name
+       .long   HWCAP_SWP|HWCAP_HALF|HWCAP_THUMB|HWCAP_FAST_MULT|HWCAP_EDSP
+       .long   cpu_xsc3_name
+       .long   xsc3_processor_functions
+       .long   v4wbi_tlb_fns
+       .long   xsc3_mc_user_fns
+       .long   xsc3_cache_fns
+       .size   __xsc3_pxa935_proc_info, . - __xsc3_pxa935_proc_info