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Diffstat (limited to 'arch/arm/mach-davinci/cputype.h')
| -rw-r--r-- | arch/arm/mach-davinci/cputype.h | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/cputype.h b/arch/arm/mach-davinci/cputype.h new file mode 100644 index 0000000000..148a738391 --- /dev/null +++ b/arch/arm/mach-davinci/cputype.h @@ -0,0 +1,31 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * DaVinci CPU type detection + * + * Author: Kevin Hilman, Deep Root Systems, LLC + * + * Defines the cpu_is_*() macros for runtime detection of DaVinci + * device type. In addition, if support for a given device is not + * compiled in to the kernel, the macros return 0 so that + * resulting code can be optimized out. + * + * 2009 (c) Deep Root Systems, LLC. + */ +#ifndef _ASM_ARCH_CPU_H +#define _ASM_ARCH_CPU_H + +#include "common.h" + +struct davinci_id { + u8 variant; /* JTAG ID bits 31:28 */ + u16 part_no; /* JTAG ID bits 27:12 */ + u16 manufacturer; /* JTAG ID bits 11:1 */ + u32 cpu_id; + char *name; +}; + +/* Can use lower 16 bits of cpu id for a variant when required */ +#define DAVINCI_CPU_ID_DA830 0x08300000 +#define DAVINCI_CPU_ID_DA850 0x08500000 + +#endif |