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/*
* Copyright (C) ST-Ericsson SA 2010
*
* Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
* License terms: GNU General Public License (GPL) version 2
*/
#ifndef __MACH_UX500_ID
#define __MACH_UX500_ID
/**
* struct dbx500_asic_id - fields of the ASIC ID
* @process: the manufacturing process, 0x40 is 40 nm 0x00 is "standard"
* @partnumber: hithereto 0x8500 for DB8500
* @revision: version code in the series
*/
struct dbx500_asic_id {
u16 partnumber;
u8 revision;
u8 process;
};
extern struct dbx500_asic_id dbx500_id;
static inline unsigned int __attribute_const__ dbx500_partnumber(void)
{
return dbx500_id.partnumber;
}
static inline unsigned int __attribute_const__ dbx500_revision(void)
{
return dbx500_id.revision;
}
/*
* SOCs
*/
static inline bool __attribute_const__ cpu_is_u8500(void)
{
#ifdef CONFIG_UX500_SOC_DB8500
/* partnumber 8520 also comes under 8500 */
return ((dbx500_partnumber() >> 8) & 0xff) == 0x85;
#else
return false;
#endif
}
static inline bool __attribute_const__ cpu_is_u8520(void)
{
#ifdef CONFIG_UX500_SOC_DB8500
return dbx500_partnumber() == 0x8520;
#else
return false;
#endif
}
static inline bool __attribute_const__ cpu_is_u5500(void)
{
#ifdef CONFIG_UX500_SOC_DB5500
return dbx500_partnumber() == 0x5500;
#else
return false;
#endif
}
#ifdef CONFIG_UX500_SOC_DB8500
bool cpu_is_u9500(void);
#else
static inline bool cpu_is_u9500(void)
{
return false;
}
#endif
static inline bool __attribute_const__ cpu_is_u9540(void)
{
#ifdef CONFIG_UX500_SOC_DB8500
return dbx500_partnumber() == 0x9540;
#else
return false;
#endif
}
/*
* 5500 revisions
*/
static inline bool __attribute_const__ cpu_is_u5500v1(void)
{
return cpu_is_u5500() && (dbx500_revision() & 0xf0) == 0xA0;
}
static inline bool __attribute_const__ cpu_is_u5500v2(void)
{
return (dbx500_id.revision & 0xf0) == 0xB0;
}
static inline bool __attribute_const__ cpu_is_u5500v20(void)
{
return cpu_is_u5500() && ((dbx500_revision() & 0xf0) == 0xB0);
}
static inline bool __attribute_const__ cpu_is_u5500v21(void)
{
return cpu_is_u5500() && (dbx500_revision() == 0xB1);
}
/*
* 8500 revisions
*/
static inline bool __attribute_const__ cpu_is_u8500v2(void)
{
return cpu_is_u8500() && ((dbx500_revision() & 0xf0) == 0xB0);
}
static inline bool cpu_is_u8500v20(void)
{
return cpu_is_u8500() && (dbx500_revision() == 0xB0);
}
static inline bool cpu_is_u8500v21(void)
{
return cpu_is_u8500() && (dbx500_revision() == 0xB1);
}
static inline bool cpu_is_u8500v22(void)
{
return cpu_is_u8500() && (dbx500_revision() == 0xB2);
}
static inline bool cpu_is_u8500v20_or_later(void)
{
return cpu_is_u9540() ||
(cpu_is_u8500() && ((dbx500_revision() & 0xf0) >= 0xB0));
}
static inline bool ux500_is_svp(void)
{
return false;
}
#define ux500_unknown_soc() BUG()
#endif
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