79 lines
1.4 KiB
C
79 lines
1.4 KiB
C
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/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef __ASM_SH_BUGS_H
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#define __ASM_SH_BUGS_H
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/*
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* This is included by init/main.c to check for architecture-dependent bugs.
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*
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* Needs:
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* void check_bugs(void);
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*/
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/*
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* I don't know of any Super-H bugs yet.
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*/
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#include <asm/processor.h>
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extern void select_idle_routine(void);
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static void __init check_bugs(void)
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{
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extern unsigned long loops_per_jiffy;
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char *p = &init_utsname()->machine[2]; /* "sh" */
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select_idle_routine();
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current_cpu_data.loops_per_jiffy = loops_per_jiffy;
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switch (current_cpu_data.family) {
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case CPU_FAMILY_SH2:
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*p++ = '2';
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break;
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case CPU_FAMILY_SH2A:
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*p++ = '2';
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*p++ = 'a';
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break;
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case CPU_FAMILY_SH3:
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*p++ = '3';
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break;
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case CPU_FAMILY_SH4:
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*p++ = '4';
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break;
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case CPU_FAMILY_SH4A:
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*p++ = '4';
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*p++ = 'a';
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break;
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case CPU_FAMILY_SH4AL_DSP:
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*p++ = '4';
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*p++ = 'a';
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*p++ = 'l';
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*p++ = '-';
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*p++ = 'd';
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*p++ = 's';
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*p++ = 'p';
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break;
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case CPU_FAMILY_SH5:
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*p++ = '6';
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*p++ = '4';
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break;
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case CPU_FAMILY_UNKNOWN:
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/*
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* Specifically use CPU_FAMILY_UNKNOWN rather than
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* default:, so we're able to have the compiler whine
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* about unhandled enumerations.
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*/
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break;
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}
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printk("CPU: %s\n", get_cpu_subtype(¤t_cpu_data));
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#ifndef __LITTLE_ENDIAN__
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/* 'eb' means 'Endian Big' */
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*p++ = 'e';
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*p++ = 'b';
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#endif
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*p = '\0';
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}
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#endif /* __ASM_SH_BUGS_H */
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