1 /*- 2 * Copyright (c) 2011 3 * Ben Gray <ben.r.gray@gmail.com>. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 * 27 * $FreeBSD$ 28 */ 29 30 #ifndef _TI_CPUID_H_ 31 #define _TI_CPUID_H_ 32 33 #define OMAP_MAKEREV(d, a, b, c) \ 34 (uint32_t)(((d) << 16) | (((a) & 0xf) << 8) | (((b) & 0xf) << 4) | ((c) & 0xf)) 35 36 #define OMAP_REV_DEVICE(x) (((x) >> 16) & 0xffff) 37 #define OMAP_REV_MAJOR(x) (((x) >> 8) & 0xf) 38 #define OMAP_REV_MINOR(x) (((x) >> 4) & 0xf) 39 #define OMAP_REV_MINOR_MINOR(x) (((x) >> 0) & 0xf) 40 41 #define OMAP3350_DEV 0x3530 42 #define OMAP3350_REV_ES1_0 OMAP_MAKEREV(OMAP3350_DEV, 1, 0, 0) 43 #define OMAP3530_REV_ES2_0 OMAP_MAKEREV(OMAP3350_DEV, 2, 0, 0) 44 #define OMAP3530_REV_ES2_1 OMAP_MAKEREV(OMAP3350_DEV, 2, 1, 0) 45 #define OMAP3530_REV_ES3_0 OMAP_MAKEREV(OMAP3350_DEV, 3, 0, 0) 46 #define OMAP3530_REV_ES3_1 OMAP_MAKEREV(OMAP3350_DEV, 3, 1, 0) 47 #define OMAP3530_REV_ES3_1_2 OMAP_MAKEREV(OMAP3350_DEV, 3, 1, 2) 48 49 #define OMAP4430_DEV 0x4430 50 #define OMAP4430_REV_ES1_0 OMAP_MAKEREV(OMAP4430_DEV, 1, 0, 0) 51 #define OMAP4430_REV_ES2_0 OMAP_MAKEREV(OMAP4430_DEV, 2, 0, 0) 52 #define OMAP4430_REV_ES2_1 OMAP_MAKEREV(OMAP4430_DEV, 2, 1, 0) 53 #define OMAP4430_REV_ES2_2 OMAP_MAKEREV(OMAP4430_DEV, 2, 2, 0) 54 #define OMAP4430_REV_ES2_3 OMAP_MAKEREV(OMAP4430_DEV, 2, 3, 0) 55 #define OMAP4430_REV_UNKNOWN OMAP_MAKEREV(OMAP4430_DEV, 9, 9, 9) 56 57 #define OMAP4460_DEV 0x4460 58 #define OMAP4460_REV_ES1_0 OMAP_MAKEREV(OMAP4460_DEV, 1, 0, 0) 59 #define OMAP4460_REV_ES1_1 OMAP_MAKEREV(OMAP4460_DEV, 1, 1, 0) 60 #define OMAP4460_REV_UNKNOWN OMAP_MAKEREV(OMAP4460_DEV, 9, 9, 9) 61 62 #define OMAP4470_DEV 0x4470 63 #define OMAP4470_REV_ES1_0 OMAP_MAKEREV(OMAP4470_DEV, 1, 0, 0) 64 #define OMAP4470_REV_UNKNOWN OMAP_MAKEREV(OMAP4470_DEV, 9, 9, 9) 65 66 #define OMAP_UNKNOWN_DEV OMAP_MAKEREV(0x9999, 9, 9, 9) 67 68 #define AM335X_DEVREV(x) ((x) >> 28) 69 70 #define CHIP_OMAP_3 0 71 #define CHIP_OMAP_4 1 72 #define CHIP_AM335X 2 73 74 static __inline int ti_chip(void) 75 { 76 #if defined(SOC_OMAP4) 77 return CHIP_OMAP_4; 78 #elif defined(SOC_OMAP3) 79 return CHIP_OMAP_3; 80 #elif defined(SOC_TI_AM335X) 81 return CHIP_AM335X; 82 #else 83 # error Chip type not defined, ensure SOC_xxxx is defined 84 #endif 85 } 86 87 uint32_t ti_revision(void); 88 89 #endif /* _TI_CPUID_H_ */ 90