| John Crispin | 8ec6d93 | 2011-03-30 09:27:48 +0200 | [diff] [blame] | 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 | |
| John Crispin | 4af92e7 | 2011-11-10 21:33:07 +0100 | [diff] [blame] | 9 | #include <linux/export.h> |
| John Crispin | 8ec6d93 | 2011-03-30 09:27:48 +0200 | [diff] [blame] | 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 | } |