Root/target/linux/adm5120/files/arch/mips/adm5120/common/prom.c

1/*
2 * ADM5120 specific prom routines
3 *
4 * Copyright (C) 2007-2008 Gabor Juhos <juhosg@openwrt.org>
5 *
6 * This program is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 as published
8 * by the Free Software Foundation.
9 *
10 */
11
12#include <linux/init.h>
13#include <linux/kernel.h>
14#include <linux/string.h>
15#include <linux/mm.h>
16
17#include <asm/bootinfo.h>
18#include <asm/mips_machine.h>
19
20#include <asm/mach-adm5120/adm5120_info.h>
21
22#include <prom/cfe.h>
23#include <prom/generic.h>
24#include <prom/routerboot.h>
25#include <prom/myloader.h>
26#include <prom/zynos.h>
27
28unsigned int adm5120_prom_type = ADM5120_PROM_GENERIC;
29
30struct board_desc {
31    unsigned long mach_type;
32    char *name;
33};
34
35#define DEFBOARD(n, mt) { .mach_type = (mt), .name = (n)}
36static struct board_desc common_boards[] __initdata = {
37    /* Cellvision/SparkLAN boards */
38    DEFBOARD("CAS-630", MACH_ADM5120_CAS630),
39    DEFBOARD("CAS-670", MACH_ADM5120_CAS670),
40    DEFBOARD("CAS-700", MACH_ADM5120_CAS700),
41    DEFBOARD("CAS-771", MACH_ADM5120_CAS771),
42    DEFBOARD("CAS-790", MACH_ADM5120_CAS790),
43    DEFBOARD("CAS-861", MACH_ADM5120_CAS861),
44    DEFBOARD("NFS-101U", MACH_ADM5120_NFS101U),
45    /* Compex boards */
46    DEFBOARD("WP54G-WRT", MACH_ADM5120_WP54G_WRT),
47    /* Edimax boards */
48    DEFBOARD("BR-6104K", MACH_ADM5120_BR6104K),
49    DEFBOARD("BR-6104KP", MACH_ADM5120_BR6104KP),
50    DEFBOARD("BR-6104WG", MACH_ADM5120_BR61X4WG),
51    DEFBOARD("BR-6114WG", MACH_ADM5120_BR61X4WG),
52    /* Infineon boards */
53    DEFBOARD("EASY 5120P-ATA", MACH_ADM5120_EASY5120PATA),
54    DEFBOARD("EASY 5120-RT", MACH_ADM5120_EASY5120RT),
55    DEFBOARD("EASY 5120-WVoIP", MACH_ADM5120_EASY5120WVOIP),
56    DEFBOARD("EASY 83000", MACH_ADM5120_EASY83000),
57    /* Mikrotik RouterBOARDs */
58    DEFBOARD("111", MACH_ADM5120_RB_11X),
59    DEFBOARD("112", MACH_ADM5120_RB_11X),
60    DEFBOARD("133", MACH_ADM5120_RB_133),
61    DEFBOARD("133C", MACH_ADM5120_RB_133C),
62    DEFBOARD("133C3", MACH_ADM5120_RB_133C),
63    DEFBOARD("150", MACH_ADM5120_RB_153), /* it's intentional */
64    DEFBOARD("153", MACH_ADM5120_RB_153),
65    DEFBOARD("192", MACH_ADM5120_RB_192),
66    DEFBOARD("miniROUTER", MACH_ADM5120_RB_150),
67    /* OSBRiDGE boards */
68    DEFBOARD("OSBRiDGE 5GXi", MACH_ADM5120_5GXI),
69    /* Motorola boards */
70    DEFBOARD("Powerline MU Gateway", MACH_ADM5120_PMUGW),
71    /* Generic EB-214A */
72    DEFBOARD("ADM5120", MACH_ADM5120_EB_214A),
73};
74
75static unsigned long __init find_machtype_byname(char *name)
76{
77    unsigned long ret;
78    int i;
79
80    ret = MACH_ADM5120_GENERIC;
81    if (name == NULL)
82        goto out;
83
84    if (*name == '\0')
85        goto out;
86
87    for (i = 0; i < ARRAY_SIZE(common_boards); i++) {
88        if (strcmp(common_boards[i].name, name) == 0) {
89            ret = common_boards[i].mach_type;
90            break;
91        }
92    }
93
94out:
95    return ret;
96}
97
98static unsigned long __init detect_machtype_routerboot(void)
99{
100    char *name;
101
102    name = routerboot_get_boardname();
103    return find_machtype_byname(name);
104}
105
106static unsigned long __init detect_machtype_generic(void)
107{
108    char *name;
109
110    name = generic_prom_getenv("board_name");
111    return find_machtype_byname(name);
112}
113
114unsigned long __init detect_machtype_cfe(void)
115{
116    char *name;
117
118    name = cfe_getenv("BOARD_NAME");
119    return find_machtype_byname(name);
120}
121
122static struct {
123    unsigned long mach_type;
124    u16 vendor_id;
125    u16 board_id;
126} zynos_boards[] __initdata = {
127#define ZYNOS_BOARD(vi, bi, mt) \
128    {.vendor_id = (vi), .board_id = (bi), .mach_type = (mt)}
129
130#define ZYXEL_BOARD(bi, mt) ZYNOS_BOARD(ZYNOS_VENDOR_ID_ZYXEL, bi, mt)
131#define DLINK_BOARD(bi, mt) ZYNOS_BOARD(ZYNOS_VENDOR_ID_DLINK, bi, mt)
132#define LUCENT_BOARD(bi, mt) ZYNOS_BOARD(ZYNOS_VENDOR_ID_LUCENT, bi, mt)
133    ZYXEL_BOARD(ZYNOS_BOARD_HS100, MACH_ADM5120_HS100),
134    ZYXEL_BOARD(ZYNOS_BOARD_P334U, MACH_ADM5120_P334U),
135    ZYXEL_BOARD(ZYNOS_BOARD_P334W, MACH_ADM5120_P334W),
136    ZYXEL_BOARD(ZYNOS_BOARD_P334WH, MACH_ADM5120_P334WH),
137    ZYXEL_BOARD(ZYNOS_BOARD_P334WHD, MACH_ADM5120_P334WHD),
138    ZYXEL_BOARD(ZYNOS_BOARD_P334WT, MACH_ADM5120_P334WT),
139    ZYXEL_BOARD(ZYNOS_BOARD_P334WT_ALT, MACH_ADM5120_P334WT),
140    ZYXEL_BOARD(ZYNOS_BOARD_P335, MACH_ADM5120_P335),
141    ZYXEL_BOARD(ZYNOS_BOARD_P335PLUS, MACH_ADM5120_P335PLUS),
142    ZYXEL_BOARD(ZYNOS_BOARD_P335U, MACH_ADM5120_P335U)
143};
144
145static unsigned long __init detect_machtype_bootbase(void)
146{
147    int i;
148
149    for (i = 0; i < ARRAY_SIZE(zynos_boards); i++) {
150        if (zynos_boards[i].vendor_id == bootbase_info.vendor_id &&
151            zynos_boards[i].board_id == bootbase_info.board_id) {
152            return zynos_boards[i].mach_type;
153            break;
154        }
155    }
156
157    printk(KERN_WARNING "Unknown ZyXEL model (%u)\n",
158                bootbase_info.board_id);
159    return MACH_ADM5120_GENERIC;
160}
161
162static struct {
163    unsigned long mach_type;
164    u16 vid;
165    u16 did;
166    u16 svid;
167    u16 sdid;
168} mylo_boards[] __initdata = {
169#define MYLO_BOARD(v, d, sv, sd, mt) \
170    {.vid = (v), .did = (d), .svid = (sv), .sdid = (sd), .mach_type = (mt)}
171#define COMPEX_BOARD(d, mt) \
172    MYLO_BOARD(VENID_COMPEX, (d), VENID_COMPEX, (d), (mt))
173
174    COMPEX_BOARD(DEVID_COMPEX_NP27G, MACH_ADM5120_NP27G),
175    COMPEX_BOARD(DEVID_COMPEX_NP28G, MACH_ADM5120_NP28G),
176    COMPEX_BOARD(DEVID_COMPEX_NP28GHS, MACH_ADM5120_NP28GHS),
177    COMPEX_BOARD(DEVID_COMPEX_WP54G, MACH_ADM5120_WP54),
178    COMPEX_BOARD(DEVID_COMPEX_WP54Gv1C, MACH_ADM5120_WP54Gv1C),
179    COMPEX_BOARD(DEVID_COMPEX_WP54AG, MACH_ADM5120_WP54),
180    COMPEX_BOARD(DEVID_COMPEX_WPP54G, MACH_ADM5120_WP54),
181    COMPEX_BOARD(DEVID_COMPEX_WPP54AG, MACH_ADM5120_WP54),
182};
183
184static unsigned long __init detect_machtype_myloader(void)
185{
186    unsigned long ret;
187    int i;
188
189    ret = MACH_ADM5120_GENERIC;
190    for (i = 0; i < ARRAY_SIZE(mylo_boards); i++) {
191        if (mylo_boards[i].vid == myloader_info.vid &&
192            mylo_boards[i].did == myloader_info.did &&
193            mylo_boards[i].svid == myloader_info.svid &&
194            mylo_boards[i].sdid == myloader_info.sdid) {
195            ret = mylo_boards[i].mach_type;
196            break;
197        }
198    }
199
200    return ret;
201}
202
203static void __init prom_detect_machtype(void)
204{
205    if (bootbase_present()) {
206        adm5120_prom_type = ADM5120_PROM_BOOTBASE;
207        mips_machtype = detect_machtype_bootbase();
208        return;
209    }
210
211    if (cfe_present()) {
212        adm5120_prom_type = ADM5120_PROM_CFE;
213        mips_machtype = detect_machtype_cfe();
214        return;
215    }
216
217    if (myloader_present()) {
218        adm5120_prom_type = ADM5120_PROM_MYLOADER;
219        mips_machtype = detect_machtype_myloader();
220        return;
221    }
222
223    if (routerboot_present()) {
224        adm5120_prom_type = ADM5120_PROM_ROUTERBOOT;
225        mips_machtype = detect_machtype_routerboot();
226        return;
227    }
228
229    if (generic_prom_present()) {
230        adm5120_prom_type = ADM5120_PROM_GENERIC;
231        mips_machtype = detect_machtype_generic();
232        return;
233    }
234
235    mips_machtype = MACH_ADM5120_GENERIC;
236}
237
238#ifdef CONFIG_IMAGE_CMDLINE_HACK
239extern char __image_cmdline[];
240
241static void __init prom_init_cmdline(void)
242{
243    char *cmd;
244
245    /* init command line, register a default kernel command line */
246    cmd = __image_cmdline;
247    if (strlen(cmd) > 0)
248        strlcpy(arcs_cmdline, cmd, sizeof(arcs_cmdline));
249
250}
251#else
252static inline void prom_init_cmdline(void) {}
253#endif /* CONFIG_IMAGE_CMDLINE_HACK */
254
255void __init prom_init(void)
256{
257    prom_detect_machtype();
258    prom_init_cmdline();
259}
260
261void __init prom_free_prom_memory(void)
262{
263    /* We do not have to prom memory to free */
264}
265

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