[ARM] mv78xx0: distinguish between different chip steppings

During boot, identify which chip stepping we're running on (determined
by looking at the first PCIe unit's device ID and revision registers),
and print a message with the details about what we found.

Signed-off-by: Lennert Buytenhek <buytenh@marvell.com>

1 files changed, 12 insertions, 0 deletions

diff --git a/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h b/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h
index e930ea5330a2..328a02e029a0 100644
--- a/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h
+++ b/arch/arm/mach-mv78xx0/include/mach/mv78xx0.h
@@ -80,6 +80,18 @@
 #define  TIMER_VIRT_BASE        (BRIDGE_VIRT_BASE | 0x0300)
 
 /*
+ * Supported devices and revisions.
+ */
+#define MV78X00_Z0_DEV_ID       0x6381
+#define MV78X00_REV_Z0          1
+
+#define MV78100_DEV_ID          0x7810
+#define MV78100_REV_A0          1
+
+#define MV78200_DEV_ID          0x7820
+#define MV78200_REV_A0          1
+
+/*
  * Register Map
  */
 #define DDR_VIRT_BASE           (MV78XX0_REGS_VIRT_BASE | 0x00000)