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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>
This commit is contained in:
Jie Zhang 2007-06-25 18:04:12 +08:00 committed by Bryan Wu
parent a38d6181ff
commit de3025f4e2
4 changed files with 45 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/blackfin/Kconfig
View File

@ -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

21
arch/blackfin/Makefile
View File

@ -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

18
arch/blackfin/kernel/setup.c
View File

@ -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());

4
include/asm-blackfin/processor.h
View File

@ -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
}