Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=de3025f4e2bc063c274f561f9daf2b696910ad3b
Commit: de3025f4e2bc063c274f561f9daf2b696910ad3b
Parent: a38d6181ff27824c79fc7df825164a212eff6a3f
Author: Jie Zhang <[EMAIL PROTECTED]>
AuthorDate: Mon Jun 25 18:04:12 2007 +0800
Committer: Bryan Wu <[EMAIL PROTECTED]>
CommitDate: Mon Jun 25 18:04:12 2007 +0800
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 <[EMAIL PROTECTED]>
Signed-off-by: Mike Frysinger <[EMAIL PROTECTED]>
Signed-off-by: Bryan Wu <[EMAIL PROTECTED]>
---
arch/blackfin/Kconfig | 6 ++++++
arch/blackfin/Makefile | 21 +++++++++++++++++++++
arch/blackfin/kernel/setup.c | 18 ++++++++++++++----
include/asm-blackfin/processor.h | 4 ++++
4 files changed, 45 insertions(+), 4 deletions(-)
diff --git a/arch/blackfin/Kconfig b/arch/blackfin/Kconfig
index 1fad856..d98bafc 100644
--- a/arch/blackfin/Kconfig
+++ b/arch/blackfin/Kconfig
@@ -142,6 +142,12 @@ config BF_REV_0_5
bool "0.5"
depends on (BF561 || BF533 || BF532 || BF531)
+config BF_REV_ANY
+ bool "any"
+
+config BF_REV_NONE
+ bool "none"
+
endchoice
config BFIN_DUAL_CORE
diff --git a/arch/blackfin/Makefile b/arch/blackfin/Makefile
index 75e89c3..6971a44 100644
--- a/arch/blackfin/Makefile
+++ b/arch/blackfin/Makefile
@@ -28,6 +28,27 @@ machine-$(CONFIG_BF561) := bf561
MACHINE := $(machine-y)
export MACHINE
+cpu-$(CONFIG_BF531) := bf531
+cpu-$(CONFIG_BF532) := bf532
+cpu-$(CONFIG_BF533) := bf533
+cpu-$(CONFIG_BF534) := bf534
+cpu-$(CONFIG_BF536) := bf536
+cpu-$(CONFIG_BF537) := bf537
+cpu-$(CONFIG_BF548) := bf548
+cpu-$(CONFIG_BF549) := bf549
+cpu-$(CONFIG_BF561) := bf561
+
+rev-$(CONFIG_BF_REV_0_0) := 0.0
+rev-$(CONFIG_BF_REV_0_1) := 0.1
+rev-$(CONFIG_BF_REV_0_2) := 0.2
+rev-$(CONFIG_BF_REV_0_3) := 0.3
+rev-$(CONFIG_BF_REV_0_4) := 0.4
+rev-$(CONFIG_BF_REV_0_5) := 0.5
+rev-$(CONFIG_BF_REV_NONE) := none
+rev-$(CONFIG_BF_REV_ANY) := any
+
+CFLAGS += -mcpu=$(cpu-y)-$(rev-y)
+AFLAGS += -mcpu=$(cpu-y)-$(rev-y)
head-y := arch/$(ARCH)/mach-$(MACHINE)/head.o arch/$(ARCH)/kernel/init_task.o
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 5b9b434..83060f9 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());
diff --git a/include/asm-blackfin/processor.h b/include/asm-blackfin/processor.h
index aba2b30..6bb3e0d 100644
--- a/include/asm-blackfin/processor.h
+++ b/include/asm-blackfin/processor.h
@@ -124,6 +124,10 @@ static inline __attribute_pure__ uint32_t
bfin_compiled_revid(void)
return 4;
#elif defined(CONFIG_BF_REV_0_5)
return 5;
+#elif defined(CONFIG_BF_REV_ANY)
+ return 0xffff;
+#else
+ return -1;
#endif
}
-
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