projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 8ec6d935 JC |
1 | /* |
| 2 | * This program is free software; you can redistribute it and/or modify it | |
| 3 | * under the terms of the GNU General Public License version 2 as published | |
| 4 | * by the Free Software Foundation. | |
| 5 | * | |
| 6 | * Copyright (C) 2010 John Crispin <blogic@openwrt.org> | |
| 7 | */ | |
| 8 | ||
| 4af92e7a | 9 | #include <linux/export.h> |
| 8ec6d935 JC |
10 | #include <linux/clk.h> |
| 11 | #include <asm/bootinfo.h> | |
| 12 | #include <asm/time.h> | |
| 13 | ||
| 14 | #include <lantiq_soc.h> | |
| 15 | ||
| 16 | #include "../prom.h" | |
| 17 | ||
| 18 | #define SOC_DANUBE "Danube" | |
| 19 | #define SOC_TWINPASS "Twinpass" | |
| 20 | #define SOC_AR9 "AR9" | |
| 21 | ||
| 22 | #define PART_SHIFT 12 | |
| 23 | #define PART_MASK 0x0FFFFFFF | |
| 24 | #define REV_SHIFT 28 | |
| 25 | #define REV_MASK 0xF0000000 | |
| 26 | ||
| 27 | void __init ltq_soc_detect(struct ltq_soc_info *i) | |
| 28 | { | |
| 29 | i->partnum = (ltq_r32(LTQ_MPS_CHIPID) & PART_MASK) >> PART_SHIFT; | |
| 30 | i->rev = (ltq_r32(LTQ_MPS_CHIPID) & REV_MASK) >> REV_SHIFT; | |
| 31 | switch (i->partnum) { | |
| 32 | case SOC_ID_DANUBE1: | |
| 33 | case SOC_ID_DANUBE2: | |
| 34 | i->name = SOC_DANUBE; | |
| 35 | i->type = SOC_TYPE_DANUBE; | |
| 36 | break; | |
| 37 | ||
| 38 | case SOC_ID_TWINPASS: | |
| 39 | i->name = SOC_TWINPASS; | |
| 40 | i->type = SOC_TYPE_DANUBE; | |
| 41 | break; | |
| 42 | ||
| 43 | case SOC_ID_ARX188: | |
| 44 | case SOC_ID_ARX168: | |
| 45 | case SOC_ID_ARX182: | |
| 46 | i->name = SOC_AR9; | |
| 47 | i->type = SOC_TYPE_AR9; | |
| 48 | break; | |
| 49 | ||
| 50 | default: | |
| 51 | unreachable(); | |
| 52 | break; | |
| 53 | } | |
| 54 | } |