[mirror_ubuntu-bionic-kernel.git] / arch / sh / include / asm / bugs.h

#ifndef __ASM_SH_BUGS_H
#define __ASM_SH_BUGS_H

/*
 * This is included by init/main.c to check for architecture-dependent bugs.
 *
 * Needs:
 *	void check_bugs(void);
 */

/*
 * I don't know of any Super-H bugs yet.
 */

#include <asm/processor.h>

extern void select_idle_routine(void);

static void __init check_bugs(void)
{
	extern unsigned long loops_per_jiffy;
	char *p = &init_utsname()->machine[2]; /* "sh" */

	select_idle_routine();

	current_cpu_data.loops_per_jiffy = loops_per_jiffy;

	switch (current_cpu_data.family) {
	case CPU_FAMILY_SH2:
		*p++ = '2';
		break;
	case CPU_FAMILY_SH2A:
		*p++ = '2';
		*p++ = 'a';
		break;
	case CPU_FAMILY_SH3:
		*p++ = '3';
		break;
	case CPU_FAMILY_SH4:
		*p++ = '4';
		break;
	case CPU_FAMILY_SH4A:
		*p++ = '4';
		*p++ = 'a';
		break;
	case CPU_FAMILY_SH4AL_DSP:
		*p++ = '4';
		*p++ = 'a';
		*p++ = 'l';
		*p++ = '-';
		*p++ = 'd';
		*p++ = 's';
		*p++ = 'p';
		break;
	case CPU_FAMILY_SH5:
		*p++ = '6';
		*p++ = '4';
		break;
	case CPU_FAMILY_UNKNOWN:
		/*
		 * Specifically use CPU_FAMILY_UNKNOWN rather than
		 * default:, so we're able to have the compiler whine
		 * about unhandled enumerations.
		 */
		break;
	}

	printk("CPU: %s\n", get_cpu_subtype(&current_cpu_data));

#ifndef __LITTLE_ENDIAN__
	/* 'eb' means 'Endian Big' */
	*p++ = 'e';
	*p++ = 'b';
#endif
	*p = '\0';
}
#endif /* __ASM_SH_BUGS_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef __ASM_SH_BUGS_H
	2	#define __ASM_SH_BUGS_H
	3
	4	/*
	5	* This is included by init/main.c to check for architecture-dependent bugs.
	6	*
	7	* Needs:
	8	* void check_bugs(void);
	9	*/
	10
	11	/*
	12	* I don't know of any Super-H bugs yet.
	13	*/
	14
	15	#include <asm/processor.h>
	16
f533c3d3 PM	17	extern void select_idle_routine(void);
f533c3d3 PM	18
1da177e4 LT	19	static void __init check_bugs(void)
1da177e4 LT	20	{
1da177e4	21	extern unsigned long loops_per_jiffy;
41504c39	22	char p = &init_utsname()->machine[2]; / "sh" */
1da177e4	23
f533c3d3 PM	24	select_idle_routine();
f533c3d3 PM	25
11c19656	26	current_cpu_data.loops_per_jiffy = loops_per_jiffy;
1da177e4	27
e82da214 PM	28	switch (current_cpu_data.family) {
e82da214 PM	29	case CPU_FAMILY_SH2:
1da177e4 LT	30	*p++ = '2';
1da177e4 LT	31	break;
e82da214	32	case CPU_FAMILY_SH2A:
b229632a YS	33	*p++ = '2';
	34	*p++ = 'a';
	35	break;
e82da214	36	case CPU_FAMILY_SH3:
1da177e4 LT	37	*p++ = '3';
1da177e4 LT	38	break;
e82da214	39	case CPU_FAMILY_SH4:
1da177e4 LT	40	*p++ = '4';
1da177e4 LT	41	break;
e82da214	42	case CPU_FAMILY_SH4A:
5b19c908 PM	43	*p++ = '4';
	44	*p++ = 'a';
	45	break;
e82da214	46	case CPU_FAMILY_SH4AL_DSP:
41504c39 PM	47	*p++ = '4';
	48	*p++ = 'a';
	49	*p++ = 'l';
	50	*p++ = '-';
	51	*p++ = 'd';
	52	*p++ = 's';
	53	*p++ = 'p';
	54	break;
e82da214	55	case CPU_FAMILY_SH5:
29e0d209 PM	56	*p++ = '6';
	57	*p++ = '4';
	58	break;
e82da214	59	case CPU_FAMILY_UNKNOWN:
29e0d209	60	/*
e82da214 PM	61	* Specifically use CPU_FAMILY_UNKNOWN rather than
	62	* default:, so we're able to have the compiler whine
	63	* about unhandled enumerations.
29e0d209	64	*/
1da177e4 LT	65	break;
	66	}
	67
11c19656	68	printk("CPU: %s\n", get_cpu_subtype(&current_cpu_data));
1da177e4 LT	69
	70	#ifndef __LITTLE_ENDIAN__
	71	/* 'eb' means 'Endian Big' */
	72	*p++ = 'e';
	73	*p++ = 'b';
	74	#endif
	75	*p = '\0';
	76	}
	77	#endif /* __ASM_SH_BUGS_H */