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/*
* Copyright (C) 2013 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
*
* GPLv2 only
*/
#ifndef __AMBA_SP804_H__
#define __AMBA_SP804_H__
#include <linux/amba/bus.h>
#include <sizes.h>
#define AMBA_ARM_SP804_ID 0x00141804
#define AMBA_ARM_SP804_ID_MASK 0x00ffffff
static inline bool amba_is_arm_sp804(void __iomem *base)
{
u32 pid, cid;
u32 size = SZ_4K;
cid = amba_device_get_cid(base, size);
if (cid != AMBA_CID)
return false;
pid = amba_device_get_pid(base, size);
return (pid & AMBA_ARM_SP804_ID_MASK) == AMBA_ARM_SP804_ID;
}
#endif /* __AMBA_SP804_H__ */
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