[ARM] Kirkwood: Add support for 88f6282

The 6282 SoC is compatible to 6280 and features faster CPU, DDR3, additional
PCIe interface, and LCD controller. More information can be found here:
http://www.marvell.com/products/processors/embedded/armada_300/armada_310.pdf

Signed-off-by: Saeed Bishara <saeed@marvell.com>
Signed-off-by: Nicolas Pitre <nico@fluxnic.net>

3 files changed, 14 insertions, 4 deletions

diff --git a/arch/arm/mach-kirkwood/common.c b/arch/arm/mach-kirkwood/common.c
index c780c4a30434..4ccfdf97aa25 100644
--- a/arch/arm/mach-kirkwood/common.c
+++ b/arch/arm/mach-kirkwood/common.c
@@ -402,7 +402,7 @@ void __init kirkwood_sdio_init(struct mvsdio_platform_data *mvsdio_data)
         u32 dev, rev;
 
         kirkwood_pcie_id(&dev, &rev);
-        if (rev == 0)  /* catch all Kirkwood Z0's */
+        if (rev == 0 && dev != MV88F6282_DEV_ID) /* catch all Kirkwood Z0's */
                 mvsdio_data->clock = 100000000;
         else
                 mvsdio_data->clock = 200000000;
@@ -847,8 +847,10 @@ int __init kirkwood_find_tclk(void)
         u32 dev, rev;
 
         kirkwood_pcie_id(&dev, &rev);
-        if (dev == MV88F6281_DEV_ID && (rev == MV88F6281_REV_A0 ||
-                                        rev == MV88F6281_REV_A1))
+
+        if ((dev == MV88F6281_DEV_ID && (rev == MV88F6281_REV_A0 ||
+                                        rev == MV88F6281_REV_A1)) ||
+            (dev == MV88F6282_DEV_ID))
                 return 200000000;
 
         return 166666667;
@@ -902,6 +904,11 @@ static char * __init kirkwood_id(void)
                         return "MV88F6180-Rev-A1";
                 else
                         return "MV88F6180-Rev-Unsupported";
+        } else if (dev == MV88F6282_DEV_ID) {
+                if (rev == MV88F6282_REV_A0)
+                        return "MV88F6282-Rev-A0";
+                else
+                        return "MV88F6282-Rev-Unsupported";
         } else {
                 return "Device-Unknown";
         }
diff --git a/arch/arm/mach-kirkwood/include/mach/kirkwood.h b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
index d61b9aabfd18..dd7eddbd5902 100644
--- a/arch/arm/mach-kirkwood/include/mach/kirkwood.h
+++ b/arch/arm/mach-kirkwood/include/mach/kirkwood.h
@@ -113,4 +113,6 @@
 #define MV88F6180_REV_A0        2
 #define MV88F6180_REV_A1        3
 
+#define MV88F6282_DEV_ID        0x6282
+#define MV88F6282_REV_A0        0
 #endif
diff --git a/arch/arm/mach-kirkwood/mpp.c b/arch/arm/mach-kirkwood/mpp.c
index a5900f64e38c..065187d177c6 100644
--- a/arch/arm/mach-kirkwood/mpp.c
+++ b/arch/arm/mach-kirkwood/mpp.c
@@ -23,7 +23,8 @@ static unsigned int __init kirkwood_variant(void)
 
         kirkwood_pcie_id(&dev, &rev);
 
-        if (dev == MV88F6281_DEV_ID && rev >= MV88F6281_REV_A0)
+        if ((dev == MV88F6281_DEV_ID && rev >= MV88F6281_REV_A0) ||
+            (dev == MV88F6282_DEV_ID))
                 return MPP_F6281_MASK;
         if (dev == MV88F6192_DEV_ID && rev >= MV88F6192_REV_A0)
                 return MPP_F6192_MASK;