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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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7a4f26097d
This removes the file <mach/id.h> from the global kernel include scope, making it a pure mach-ux500 detail. All ASIC specifics needed by drivers shall henceforth be passed from either platform data or the device tree. Cc: Rafael J. Wysocki <rjw@sisk.pl> Acked-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
145 lines
2.9 KiB
C
145 lines
2.9 KiB
C
/*
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* Copyright (C) ST-Ericsson SA 2010
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*
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* Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
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* License terms: GNU General Public License (GPL) version 2
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*/
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#ifndef __MACH_UX500_ID
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#define __MACH_UX500_ID
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/**
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* struct dbx500_asic_id - fields of the ASIC ID
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* @process: the manufacturing process, 0x40 is 40 nm 0x00 is "standard"
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* @partnumber: hithereto 0x8500 for DB8500
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* @revision: version code in the series
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*/
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struct dbx500_asic_id {
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u16 partnumber;
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u8 revision;
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u8 process;
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};
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extern struct dbx500_asic_id dbx500_id;
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static inline unsigned int __attribute_const__ dbx500_partnumber(void)
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{
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return dbx500_id.partnumber;
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}
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static inline unsigned int __attribute_const__ dbx500_revision(void)
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{
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return dbx500_id.revision;
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}
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/*
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* SOCs
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*/
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static inline bool __attribute_const__ cpu_is_u8500(void)
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{
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return dbx500_partnumber() == 0x8500;
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}
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static inline bool __attribute_const__ cpu_is_u8520(void)
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{
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return dbx500_partnumber() == 0x8520;
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}
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static inline bool cpu_is_u8500_family(void)
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{
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return cpu_is_u8500() || cpu_is_u8520();
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}
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static inline bool __attribute_const__ cpu_is_u9540(void)
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{
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return dbx500_partnumber() == 0x9540;
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}
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static inline bool __attribute_const__ cpu_is_u8540(void)
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{
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return dbx500_partnumber() == 0x8540;
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}
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static inline bool __attribute_const__ cpu_is_u8580(void)
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{
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return dbx500_partnumber() == 0x8580;
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}
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static inline bool cpu_is_ux540_family(void)
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{
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return cpu_is_u9540() || cpu_is_u8540() || cpu_is_u8580();
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}
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/*
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* 8500 revisions
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*/
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static inline bool __attribute_const__ cpu_is_u8500ed(void)
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{
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return cpu_is_u8500() && dbx500_revision() == 0x00;
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}
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static inline bool __attribute_const__ cpu_is_u8500v1(void)
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{
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return cpu_is_u8500() && (dbx500_revision() & 0xf0) == 0xA0;
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}
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static inline bool __attribute_const__ cpu_is_u8500v10(void)
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{
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return cpu_is_u8500() && dbx500_revision() == 0xA0;
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}
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static inline bool __attribute_const__ cpu_is_u8500v11(void)
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{
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return cpu_is_u8500() && dbx500_revision() == 0xA1;
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}
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static inline bool __attribute_const__ cpu_is_u8500v2(void)
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{
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return cpu_is_u8500() && ((dbx500_revision() & 0xf0) == 0xB0);
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}
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static inline bool cpu_is_u8500v20(void)
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{
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return cpu_is_u8500() && (dbx500_revision() == 0xB0);
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}
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static inline bool cpu_is_u8500v21(void)
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{
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return cpu_is_u8500() && (dbx500_revision() == 0xB1);
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}
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static inline bool cpu_is_u8500v22(void)
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{
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return cpu_is_u8500() && (dbx500_revision() == 0xB2);
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}
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static inline bool cpu_is_u8500v20_or_later(void)
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{
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return (cpu_is_u8500() && !cpu_is_u8500v10() && !cpu_is_u8500v11());
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}
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/*
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* 8540 revisions
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*/
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static inline bool __attribute_const__ cpu_is_u8540v10(void)
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{
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return cpu_is_u8540() && dbx500_revision() == 0xA0;
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}
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static inline bool __attribute_const__ cpu_is_u8580v10(void)
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{
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return cpu_is_u8580() && dbx500_revision() == 0xA0;
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}
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static inline bool ux500_is_svp(void)
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{
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return false;
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}
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#define ux500_unknown_soc() BUG()
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#endif
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