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Blackfin arch: print out error/warning if you are running on the incorrect CPU type 

Signed-off-by: Robin Getz <rgetz@blackfin.uclinux.org>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
This commit is contained in:
Robin Getz 2008-10-10 18:21:45 +08:00 committed by Bryan Wu
parent 6d0b8c993d
commit e482cad241
7 changed files with 76 additions and 41 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
arch/blackfin/include/asm/processor.h
View File

@ -134,6 +134,12 @@ static inline uint32_t __pure bfin_revid(void)
return revid;
}
static inline uint16_t __pure bfin_cpuid(void)
{
return (bfin_read_CHIPID() & CHIPID_FAMILY) >> 12;
}
static inline uint32_t __pure bfin_compiled_revid(void)
{
#if defined(CONFIG_BF_REV_0_0)

43
arch/blackfin/kernel/setup.c
View File

@ -813,17 +813,23 @@ void __init setup_arch(char **cmdline_p)
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 (unlikely(CPUID != bfin_cpuid()))
printk(KERN_ERR "ERROR: Not running on ADSP-%s: unknown CPUID 0x%04x Rev 0.%d\n",
CPU, bfin_cpuid(), bfin_revid());
else {
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() <= CONFIG_BF_REV_MIN || bfin_revid() > CONFIG_BF_REV_MAX)
printk(KERN_ERR "Warning: Unsupported Chip Revision ADSP-%s Rev 0.%d detected\n",
CPU, bfin_revid());
}
if (bfin_revid() <= CONFIG_BF_REV_MIN || bfin_revid() > CONFIG_BF_REV_MAX)
printk(KERN_ERR "Warning: Unsupported Chip Revision ADSP-%s Rev 0.%d detected\n",
CPU, bfin_revid());
printk(KERN_INFO "Blackfin Linux support by http://blackfin.uclinux.org/\n");
@ -997,13 +1003,18 @@ static int show_cpuinfo(struct seq_file *m, void *v)
}
seq_printf(m, "processor\t: %d\n"
"vendor_id\t: %s\n"
"cpu family\t: 0x%x\n"
"model name\t: ADSP-%s %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n"
"stepping\t: %d\n",
"vendor_id\t: %s\n",
*(unsigned int *)v,
vendor,
(bfin_read_CHIPID() & CHIPID_FAMILY),
vendor);
if (CPUID == bfin_cpuid())
seq_printf(m, "cpu family\t: 0x%04x\n", CPUID);
else
seq_printf(m, "cpu family\t: Compiled for:0x%04x, running on:0x%04x\n",
CPUID, bfin_cpuid());
seq_printf(m, "model name\t: ADSP-%s %lu(MHz CCLK) %lu(MHz SCLK) (%s)\n"
"stepping\t: %d\n",
cpu, cclk/1000000, sclk/1000000,
#ifdef CONFIG_MPU
"mpu on",

19
arch/blackfin/mach-bf527/include/mach/bf527.h
View File

@ -110,16 +110,31 @@
#ifdef CONFIG_BF527
#define CPU "BF527"
#define CPUID 0x27e4
#endif
#ifdef CONFIG_BF526
#define CPU "BF526"
#define CPUID 0x27e4
#endif
#ifdef CONFIG_BF525
#define CPU "BF525"
#define CPUID 0x27e4
#endif
#ifdef CONFIG_BF524
#define CPU "BF524"
#define CPUID 0x27e4
#endif
#ifdef CONFIG_BF523
#define CPU "BF523"
#define CPUID 0x27e4
#endif
#ifdef CONFIG_BF522
#define CPU "BF522"
#define CPUID 0x27e4
#endif
#ifndef CPU
#define CPU "UNKNOWN"
#define CPUID 0x0
#error Unknown CPU type - This kernel doesn't seem to be configured properly
#endif
#endif /* __MACH_BF527_H__ */

10
arch/blackfin/mach-bf533/include/mach/bf533.h
View File

@ -141,19 +141,19 @@
#ifdef CONFIG_BF533
#define CPU "BF533"
#define CPUID 0x027a5000
#define CPUID 0x27a5
#endif
#ifdef CONFIG_BF532
#define CPU "BF532"
#define CPUID 0x0275A000
#define CPUID 0x275A
#endif
#ifdef CONFIG_BF531
#define CPU "BF531"
#define CPUID 0x027a5000
#define CPUID 0x27a5
#endif
#ifndef CPU
#define CPU "UNKNOWN"
#define CPUID 0x0
#error Unknown CPU type - This kernel doesn't seem to be configured properly
#endif
#endif /* __MACH_BF533_H__ */

10
arch/blackfin/mach-bf537/include/mach/bf537.h
View File

@ -121,19 +121,19 @@
#ifdef CONFIG_BF537
#define CPU "BF537"
#define CPUID 0x027c8000
#define CPUID 0x27c8
#endif
#ifdef CONFIG_BF536
#define CPU "BF536"
#define CPUID 0x027c8000
#define CPUID 0x27c8
#endif
#ifdef CONFIG_BF534
#define CPU "BF534"
#define CPUID 0x027c6000
#define CPUID 0x27c6
#endif
#ifndef CPU
#define CPU "UNKNOWN"
#define CPUID 0x0
#error Unknown CPU type - This kernel doesn't seem to be configured properly
#endif
#endif /* __MACH_BF537_H__ */

23
arch/blackfin/mach-bf548/include/mach/bf548.h
View File

@ -106,20 +106,23 @@
#if defined(CONFIG_BF542)
# define CPU "BF542"
# define CPUID 0x027c8000
# define CPUID 0x27de
#elif defined(CONFIG_BF544)
# define CPU "BF544"
# define CPUID 0x027c8000
# define CPU "BF544"
# define CPUID 0x27de
#elif defined(CONFIG_BF547)
# define CPU "BF547"
# define CPU "BF547"
# define CPUID 0x27de
#elif defined(CONFIG_BF548)
# define CPU "BF548"
# define CPUID 0x027c6000
# define CPU "BF548"
# define CPUID 0x27de
#elif defined(CONFIG_BF549)
# define CPU "BF549"
#else
# define CPU "UNKNOWN"
# define CPUID 0x0
# define CPU "BF549"
# define CPUID 0x27de
#endif
#ifndef CPU
#error Unknown CPU type - This kernel doesn't seem to be configured properly
#endif
#endif /* __MACH_BF48_H__ */

6
arch/blackfin/mach-bf561/include/mach/bf561.h
View File

@ -211,11 +211,11 @@
#ifdef CONFIG_BF561
#define CPU "BF561"
#define CPUID 0x027bb000
#define CPUID 0x27bb
#endif
#ifndef CPU
#define CPU "UNKNOWN"
#define CPUID 0x0
#error Unknown CPU type - This kernel doesn't seem to be configured properly
#endif
#endif /* __MACH_BF561_H__ */