diff options
Diffstat (limited to 'arch/mips/include/asm/mach-dec')
| -rw-r--r-- | arch/mips/include/asm/mach-dec/cpu-feature-overrides.h | 97 | ||||
| -rw-r--r-- | arch/mips/include/asm/mach-dec/mc146818rtc.h | 39 |
2 files changed, 136 insertions, 0 deletions
diff --git a/arch/mips/include/asm/mach-dec/cpu-feature-overrides.h b/arch/mips/include/asm/mach-dec/cpu-feature-overrides.h new file mode 100644 index 000000000..1896e88f6 --- /dev/null +++ b/arch/mips/include/asm/mach-dec/cpu-feature-overrides.h @@ -0,0 +1,97 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * CPU feature overrides for DECstation systems. Two variations + * are generally applicable. + * + * Copyright (C) 2013 Maciej W. Rozycki + */ +#ifndef __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H +#define __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H + +/* Generic ones first. */ +#define cpu_has_tlb 1 +#define cpu_has_tlbinv 0 +#define cpu_has_segments 0 +#define cpu_has_eva 0 +#define cpu_has_htw 0 +#define cpu_has_rixiex 0 +#define cpu_has_maar 0 +#define cpu_has_rw_llb 0 +#define cpu_has_tx39_cache 0 +#define cpu_has_divec 0 +#define cpu_has_prefetch 0 +#define cpu_has_mcheck 0 +#define cpu_has_ejtag 0 +#define cpu_has_mips16 0 +#define cpu_has_mips16e2 0 +#define cpu_has_mdmx 0 +#define cpu_has_mips3d 0 +#define cpu_has_smartmips 0 +#define cpu_has_rixi 0 +#define cpu_has_xpa 0 +#define cpu_has_vtag_icache 0 +#define cpu_has_ic_fills_f_dc 0 +#define cpu_has_pindexed_dcache 0 +#define cpu_icache_snoops_remote_store 1 +#define cpu_has_mips_4 0 +#define cpu_has_mips_5 0 +#define cpu_has_mips32r1 0 +#define cpu_has_mips32r2 0 +#define cpu_has_mips64r1 0 +#define cpu_has_mips64r2 0 +#define cpu_has_dsp 0 +#define cpu_has_dsp2 0 +#define cpu_has_mipsmt 0 +#define cpu_has_userlocal 0 +#define cpu_has_perf_cntr_intr_bit 0 +#define cpu_has_vz 0 +#define cpu_has_fre 0 +#define cpu_has_cdmm 0 + +/* R3k-specific ones. */ +#ifdef CONFIG_CPU_R3000 +#define cpu_has_3kex 1 +#define cpu_has_4kex 0 +#define cpu_has_3k_cache 1 +#define cpu_has_4k_cache 0 +#define cpu_has_32fpr 0 +#define cpu_has_counter 0 +#define cpu_has_watch 0 +#define cpu_has_vce 0 +#define cpu_has_cache_cdex_p 0 +#define cpu_has_cache_cdex_s 0 +#define cpu_has_llsc 0 +#define cpu_has_dc_aliases 0 +#define cpu_has_mips_2 0 +#define cpu_has_mips_3 0 +#define cpu_has_nofpuex 1 +#define cpu_has_inclusive_pcaches 0 +#define cpu_dcache_line_size() 4 +#define cpu_icache_line_size() 4 +#define cpu_scache_line_size() 0 +#endif /* CONFIG_CPU_R3000 */ + +/* R4k-specific ones. */ +#ifdef CONFIG_CPU_R4X00 +#define cpu_has_3kex 0 +#define cpu_has_4kex 1 +#define cpu_has_3k_cache 0 +#define cpu_has_4k_cache 1 +#define cpu_has_32fpr 1 +#define cpu_has_counter 1 +#define cpu_has_watch 1 +#define cpu_has_vce 1 +#define cpu_has_cache_cdex_p 1 +#define cpu_has_cache_cdex_s 1 +#define cpu_has_llsc 1 +#define cpu_has_dc_aliases (PAGE_SIZE < 0x4000) +#define cpu_has_mips_2 1 +#define cpu_has_mips_3 1 +#define cpu_has_nofpuex 0 +#define cpu_has_inclusive_pcaches 1 +#define cpu_dcache_line_size() 16 +#define cpu_icache_line_size() 16 +#define cpu_scache_line_size() 32 +#endif /* CONFIG_CPU_R4X00 */ + +#endif /* __ASM_MACH_DEC_CPU_FEATURE_OVERRIDES_H */ diff --git a/arch/mips/include/asm/mach-dec/mc146818rtc.h b/arch/mips/include/asm/mach-dec/mc146818rtc.h new file mode 100644 index 000000000..d4614e2a8 --- /dev/null +++ b/arch/mips/include/asm/mach-dec/mc146818rtc.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +/* + * RTC definitions for DECstation style attached Dallas DS1287 chip. + * + * Copyright (C) 1998, 2001 by Ralf Baechle + * Copyright (C) 1998 by Harald Koerfgen + * Copyright (C) 2002, 2005 Maciej W. Rozycki + */ +#ifndef __ASM_MIPS_DEC_RTC_DEC_H +#define __ASM_MIPS_DEC_RTC_DEC_H + +#include <linux/types.h> +#include <asm/addrspace.h> +#include <asm/dec/system.h> + +extern volatile u8 *dec_rtc_base; + +#define ARCH_RTC_LOCATION + +#define RTC_PORT(x) CPHYSADDR((long)dec_rtc_base) +#define RTC_IO_EXTENT dec_kn_slot_size +#define RTC_IOMAPPED 0 +#undef RTC_IRQ + +#define RTC_DEC_YEAR 0x3f /* Where we store the real year on DECs. */ + +static inline unsigned char CMOS_READ(unsigned long addr) +{ + return dec_rtc_base[addr * 4]; +} + +static inline void CMOS_WRITE(unsigned char data, unsigned long addr) +{ + dec_rtc_base[addr * 4] = data; +} + +#define RTC_ALWAYS_BCD 0 + +#endif /* __ASM_MIPS_DEC_RTC_DEC_H */ |