| 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 | |
| 9 | #include <linux/export.h> |
| 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 | #include "devices.h" |
| 18 | |
| 19 | #define SOC_DANUBE "Danube" |
| 20 | #define SOC_TWINPASS "Twinpass" |
| 21 | #define SOC_AMAZON_SE "Amazon_SE" |
| 22 | #define SOC_AR9 "AR9" |
| 23 | #define SOC_GR9 "GR9" |
| 24 | #define SOC_VR9 "VR9" |
| 25 | |
| 26 | #define PART_SHIFT 12 |
| 27 | #define PART_MASK 0x0FFFFFFF |
| 28 | #define REV_SHIFT 28 |
| 29 | #define REV_MASK 0xF0000000 |
| 30 | |
| 31 | |
| 32 | void __init ltq_soc_detect(struct ltq_soc_info *i) |
| 33 | { |
| 34 | i->partnum = (ltq_r32(LTQ_MPS_CHIPID) & PART_MASK) >> PART_SHIFT; |
| 35 | i->rev = (ltq_r32(LTQ_MPS_CHIPID) & REV_MASK) >> REV_SHIFT; |
| 36 | sprintf(i->rev_type, "1.%d", i->rev); |
| 37 | switch (i->partnum) { |
| 38 | case SOC_ID_DANUBE1: |
| 39 | case SOC_ID_DANUBE2: |
| 40 | i->name = SOC_DANUBE; |
| 41 | i->type = SOC_TYPE_DANUBE; |
| 42 | break; |
| 43 | |
| 44 | case SOC_ID_TWINPASS: |
| 45 | i->name = SOC_TWINPASS; |
| 46 | i->type = SOC_TYPE_DANUBE; |
| 47 | break; |
| 48 | |
| 49 | case SOC_ID_ARX188: |
| 50 | case SOC_ID_ARX168_1: |
| 51 | case SOC_ID_ARX168_2: |
| 52 | case SOC_ID_ARX182: |
| 53 | i->name = SOC_AR9; |
| 54 | i->type = SOC_TYPE_AR9; |
| 55 | break; |
| 56 | |
| 57 | case SOC_ID_GRX188: |
| 58 | case SOC_ID_GRX168: |
| 59 | i->name = SOC_GR9; |
| 60 | i->type = SOC_TYPE_AR9; |
| 61 | break; |
| 62 | |
| 63 | case SOC_ID_AMAZON_SE_1: |
| 64 | case SOC_ID_AMAZON_SE_2: |
| 65 | i->name = SOC_AMAZON_SE; |
| 66 | i->type = SOC_TYPE_AMAZON_SE; |
| 67 | #ifdef CONFIG_PCI |
| 68 | panic("ase is only supported for non pci kernels"); |
| 69 | #endif |
| 70 | break; |
| 71 | |
| 72 | case SOC_ID_VRX282: |
| 73 | case SOC_ID_VRX268: |
| 74 | case SOC_ID_VRX288: |
| 75 | i->name = SOC_VR9; |
| 76 | i->type = SOC_TYPE_VR9_1; |
| 77 | break; |
| 78 | |
| 79 | case SOC_ID_GRX268: |
| 80 | case SOC_ID_GRX288: |
| 81 | i->name = SOC_GR9; |
| 82 | i->type = SOC_TYPE_VR9_1; |
| 83 | break; |
| 84 | |
| 85 | case SOC_ID_VRX268_2: |
| 86 | case SOC_ID_VRX288_2: |
| 87 | i->name = SOC_VR9; |
| 88 | i->type = SOC_TYPE_VR9_2; |
| 89 | break; |
| 90 | |
| 91 | case SOC_ID_GRX282_2: |
| 92 | case SOC_ID_GRX288_2: |
| 93 | i->name = SOC_GR9; |
| 94 | i->type = SOC_TYPE_VR9_2; |
| 95 | |
| 96 | default: |
| 97 | unreachable(); |
| 98 | break; |
| 99 | } |
| 100 | } |
| 101 | |
| 102 | void __init ltq_soc_setup(void) |
| 103 | { |
| 104 | if (ltq_is_ase()) |
| 105 | ltq_register_ase_asc(); |
| 106 | else |
| 107 | ltq_register_asc(1); |
| 108 | ltq_register_gpio(); |
| 109 | ltq_register_wdt(); |
| 110 | } |
| 111 | |
