| 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
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| 2 | /* |
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| 3 | * DaVinci CPU type detection |
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| 4 | * |
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| 5 | * Author: Kevin Hilman, Deep Root Systems, LLC |
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| 6 | * |
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| 7 | * Defines the cpu_is_*() macros for runtime detection of DaVinci |
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| 8 | * device type. In addition, if support for a given device is not |
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| 9 | * compiled in to the kernel, the macros return 0 so that |
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| 10 | * resulting code can be optimized out. |
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| 11 | * |
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| 12 | * 2009 (c) Deep Root Systems, LLC. |
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| 13 | */ |
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| 14 | #ifndef _ASM_ARCH_CPU_H |
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| 15 | #define _ASM_ARCH_CPU_H |
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| 16 | |
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| 17 | #include "common.h" |
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| 18 | |
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| 19 | struct davinci_id { |
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| 20 | u8 variant; /* JTAG ID bits 31:28 */ |
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| 21 | u16 part_no; /* JTAG ID bits 27:12 */ |
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| 22 | u16 manufacturer; /* JTAG ID bits 11:1 */ |
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| 23 | u32 cpu_id; |
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| 24 | char *name; |
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| 25 | }; |
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| 26 | |
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| 27 | /* Can use lower 16 bits of cpu id for a variant when required */ |
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| 28 | #define DAVINCI_CPU_ID_DA830 0x08300000 |
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| 29 | #define DAVINCI_CPU_ID_DA850 0x08500000 |
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| 30 | |
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| 31 | #endif |
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| 32 | |
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