[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>

2 files changed, 31 insertions, 0 deletions

diff --git a/arch/arm/boot/compressed/head.S b/arch/arm/boot/compressed/head.S
index 84a1e0496a3c..606650964eff 100644
--- 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 8f6cf56c11c0..33515c214b92 100644
--- 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