ARM: add base support for Marvell Dove SoC

The Marvell Dove (88AP510) is a high-performance, highly integrated,
low power SoC with high-end ARM-compatible processor (known as PJ4),
graphics processing unit, high-definition video decoding acceleration
hardware, and a broad range of peripherals.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>
Signed-off-by: Saeed Bishara <saeed@marvell.com>
Signed-off-by: Nicolas Pitre <nico@marvell.com>

2 files changed, 33 insertions, 2 deletions

diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 9264d814cd7a..1549863d7b54 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -388,7 +388,7 @@ config CPU_FEROCEON_OLD_ID
 
 # ARMv6
 config CPU_V6
-        bool "Support ARM V6 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX
+        bool "Support ARM V6 processor" if ARCH_INTEGRATOR || MACH_REALVIEW_EB || MACH_REALVIEW_PBX || ARCH_DOVE
         select CPU_32v6
         select CPU_ABRT_EV6
         select CPU_PABRT_V6
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index 70f75d2e3ead..5485c821101c 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 +248,27 @@ __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_BUFFERABLE | \
+                PMD_SECT_CACHEABLE | \
+                PMD_SECT_AP_WRITE | \
+                PMD_SECT_AP_READ
+        .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
+        .long   cpu_pj4_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