Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  1) /* SPDX-License-Identifier: GPL-2.0 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  2) #ifndef __ASM_SH_BUGS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  3) #define __ASM_SH_BUGS_H
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  4) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  5) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  6)  * This is included by init/main.c to check for architecture-dependent bugs.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  7)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  8)  * Needs:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  9)  *	void check_bugs(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13)  * I don't know of any Super-H bugs yet.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) #include <asm/processor.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) extern void select_idle_routine(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) static void __init check_bugs(void)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) 	extern unsigned long loops_per_jiffy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) 	char *p = &init_utsname()->machine[2]; /* "sh" */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) 	select_idle_routine();
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) 	current_cpu_data.loops_per_jiffy = loops_per_jiffy;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) 	switch (current_cpu_data.family) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) 	case CPU_FAMILY_SH2:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) 		*p++ = '2';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) 	case CPU_FAMILY_SH2A:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) 		*p++ = '2';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) 		*p++ = 'a';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) 	case CPU_FAMILY_SH3:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) 		*p++ = '3';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) 	case CPU_FAMILY_SH4:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) 		*p++ = '4';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) 	case CPU_FAMILY_SH4A:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) 		*p++ = '4';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) 		*p++ = 'a';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) 	case CPU_FAMILY_SH4AL_DSP:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) 		*p++ = '4';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) 		*p++ = 'a';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) 		*p++ = 'l';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) 		*p++ = '-';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) 		*p++ = 'd';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) 		*p++ = 's';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) 		*p++ = 'p';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 	case CPU_FAMILY_UNKNOWN:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) 		/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) 		 * Specifically use CPU_FAMILY_UNKNOWN rather than
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) 		 * default:, so we're able to have the compiler whine
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) 		 * about unhandled enumerations.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) 		 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) 		break;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) 	}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) 	printk("CPU: %s\n", get_cpu_subtype(&current_cpu_data));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) #ifndef __LITTLE_ENDIAN__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) 	/* 'eb' means 'Endian Big' */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) 	*p++ = 'e';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) 	*p++ = 'b';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) #endif
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) 	*p = '\0';
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) #endif /* __ASM_SH_BUGS_H */