Blackfin arch: Add proper -mcpu option according to the cpu and silicon revision configuration

Add silicon revision "any" and "none". Add proper -mcpu option according
to the cpu and silicon revision configuration.

Need update to use latest Blackfin cross compile toolchain.

Signed-off-by: Jie Zhang <jie.zhang@analog.com>
Signed-off-by: Mike Frysinger <michael.frysinger@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

1 files changed, 14 insertions, 4 deletions

diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 5b9b434c1ed9..83060f98d15d 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -307,10 +307,20 @@ void __init setup_arch(char **cmdline_p)
         init_leds();
 
         printk(KERN_INFO "Blackfin support (C) 2004-2007 Analog Devices, Inc.\n");
-        printk(KERN_INFO "Compiled for ADSP-%s Rev 0.%d\n", CPU, bfin_compiled_revid());
-        if (bfin_revid() != bfin_compiled_revid())
-                printk(KERN_ERR "Warning: Compiled for Rev %d, but running on Rev %d\n",
-                       bfin_compiled_revid(), bfin_revid());
+        if (bfin_compiled_revid() == 0xffff)
+                printk(KERN_INFO "Compiled for ADSP-%s Rev any\n", CPU);
+        else if (bfin_compiled_revid() == -1)
+                printk(KERN_INFO "Compiled for ADSP-%s Rev none\n", CPU);
+        else
+                printk(KERN_INFO "Compiled for ADSP-%s Rev 0.%d\n", CPU, bfin_compiled_revid());
+        if (bfin_revid() != bfin_compiled_revid()) {
+                if (bfin_compiled_revid() == -1)
+                        printk(KERN_ERR "Warning: Compiled for Rev none, but running on Rev %d\n",
+                               bfin_revid());
+                else if (bfin_compiled_revid() != 0xffff)
+                        printk(KERN_ERR "Warning: Compiled for Rev %d, but running on Rev %d\n",
+                               bfin_compiled_revid(), bfin_revid());
+        }
         if (bfin_revid() < SUPPORTED_REVID)
                 printk(KERN_ERR "Warning: Unsupported Chip Revision ADSP-%s Rev 0.%d detected\n",
                        CPU, bfin_revid());