blob: bbfcf9bd38db0d4faca6e95afdf089682b9c6033 [file] [log] [blame]
Aurelien Jarno1c0c13e2007-09-25 15:40:12 +02001/*
2 * Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
Aurelien Jarno1c0c13e2007-09-25 15:40:12 +02003 * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
4 * Copyright (C) 2006 Michael Buesch <mb@bu3sch.de>
Waldemar Brodkorb121915c2010-06-08 19:06:01 +02005 * Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org>
Aurelien Jarno1c0c13e2007-09-25 15:40:12 +02006 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
11 *
12 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
13 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
15 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
16 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
17 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
18 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
19 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
20 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
21 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
22 *
23 * You should have received a copy of the GNU General Public License along
24 * with this program; if not, write to the Free Software Foundation, Inc.,
25 * 675 Mass Ave, Cambridge, MA 02139, USA.
26 */
27
28#include <linux/types.h>
29#include <linux/ssb/ssb.h>
Aurelien Jarnob06f3e12008-10-14 11:44:26 +020030#include <linux/ssb/ssb_embedded.h>
Aurelien Jarno25e5fb92007-09-25 15:41:24 +020031#include <asm/bootinfo.h>
Aurelien Jarno1c0c13e2007-09-25 15:40:12 +020032#include <asm/reboot.h>
33#include <asm/time.h>
34#include <bcm47xx.h>
Waldemar Brodkorb121915c2010-06-08 19:06:01 +020035#include <asm/mach-bcm47xx/nvram.h>
Aurelien Jarno1c0c13e2007-09-25 15:40:12 +020036
37struct ssb_bus ssb_bcm47xx;
38EXPORT_SYMBOL(ssb_bcm47xx);
39
40static void bcm47xx_machine_restart(char *command)
41{
42 printk(KERN_ALERT "Please stand by while rebooting the system...\n");
43 local_irq_disable();
44 /* Set the watchdog timer to reset immediately */
Aurelien Jarnob06f3e12008-10-14 11:44:26 +020045 ssb_watchdog_timer_set(&ssb_bcm47xx, 1);
Aurelien Jarno1c0c13e2007-09-25 15:40:12 +020046 while (1)
47 cpu_relax();
48}
49
50static void bcm47xx_machine_halt(void)
51{
52 /* Disable interrupts and watchdog and spin forever */
53 local_irq_disable();
Aurelien Jarnob06f3e12008-10-14 11:44:26 +020054 ssb_watchdog_timer_set(&ssb_bcm47xx, 0);
Aurelien Jarno1c0c13e2007-09-25 15:40:12 +020055 while (1)
56 cpu_relax();
57}
58
Hauke Mehrtens2aa088d2010-11-27 17:45:59 +010059#define READ_FROM_NVRAM(_outvar, name, buf) \
Hauke Mehrtensa7c62f82011-05-10 23:31:31 +020060 if (nvram_getprefix(prefix, name, buf, sizeof(buf)) >= 0)\
Hauke Mehrtens2aa088d2010-11-27 17:45:59 +010061 sprom->_outvar = simple_strtoul(buf, NULL, 0);
62
Hauke Mehrtensa7c62f82011-05-10 23:31:31 +020063static inline int nvram_getprefix(const char *prefix, char *name,
64 char *buf, int len)
65{
66 if (prefix) {
67 char key[100];
68
69 snprintf(key, sizeof(key), "%s%s", prefix, name);
70 return nvram_getenv(key, buf, len);
71 }
72
73 return nvram_getenv(name, buf, len);
74}
75
76static void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix)
Hauke Mehrtens2aa088d2010-11-27 17:45:59 +010077{
78 char buf[100];
79 u32 boardflags;
80
81 memset(sprom, 0, sizeof(struct ssb_sprom));
82
83 sprom->revision = 1; /* Fallback: Old hardware does not define this. */
84 READ_FROM_NVRAM(revision, "sromrev", buf);
Hauke Mehrtensa7c62f82011-05-10 23:31:31 +020085 if (nvram_getprefix(prefix, "il0macaddr", buf, sizeof(buf)) >= 0)
Hauke Mehrtens59833fc2010-11-27 17:46:00 +010086 nvram_parse_macaddr(buf, sprom->il0mac);
Hauke Mehrtensa7c62f82011-05-10 23:31:31 +020087 if (nvram_getprefix(prefix, "et0macaddr", buf, sizeof(buf)) >= 0)
Hauke Mehrtens59833fc2010-11-27 17:46:00 +010088 nvram_parse_macaddr(buf, sprom->et0mac);
Hauke Mehrtensa7c62f82011-05-10 23:31:31 +020089 if (nvram_getprefix(prefix, "et1macaddr", buf, sizeof(buf)) >= 0)
Hauke Mehrtens59833fc2010-11-27 17:46:00 +010090 nvram_parse_macaddr(buf, sprom->et1mac);
Hauke Mehrtens2aa088d2010-11-27 17:45:59 +010091 READ_FROM_NVRAM(et0phyaddr, "et0phyaddr", buf);
92 READ_FROM_NVRAM(et1phyaddr, "et1phyaddr", buf);
93 READ_FROM_NVRAM(et0mdcport, "et0mdcport", buf);
94 READ_FROM_NVRAM(et1mdcport, "et1mdcport", buf);
95 READ_FROM_NVRAM(board_rev, "boardrev", buf);
96 READ_FROM_NVRAM(country_code, "ccode", buf);
97 READ_FROM_NVRAM(ant_available_a, "aa5g", buf);
98 READ_FROM_NVRAM(ant_available_bg, "aa2g", buf);
99 READ_FROM_NVRAM(pa0b0, "pa0b0", buf);
100 READ_FROM_NVRAM(pa0b1, "pa0b1", buf);
101 READ_FROM_NVRAM(pa0b2, "pa0b2", buf);
102 READ_FROM_NVRAM(pa1b0, "pa1b0", buf);
103 READ_FROM_NVRAM(pa1b1, "pa1b1", buf);
104 READ_FROM_NVRAM(pa1b2, "pa1b2", buf);
105 READ_FROM_NVRAM(pa1lob0, "pa1lob0", buf);
106 READ_FROM_NVRAM(pa1lob2, "pa1lob1", buf);
107 READ_FROM_NVRAM(pa1lob1, "pa1lob2", buf);
108 READ_FROM_NVRAM(pa1hib0, "pa1hib0", buf);
109 READ_FROM_NVRAM(pa1hib2, "pa1hib1", buf);
110 READ_FROM_NVRAM(pa1hib1, "pa1hib2", buf);
111 READ_FROM_NVRAM(gpio0, "wl0gpio0", buf);
112 READ_FROM_NVRAM(gpio1, "wl0gpio1", buf);
113 READ_FROM_NVRAM(gpio2, "wl0gpio2", buf);
114 READ_FROM_NVRAM(gpio3, "wl0gpio3", buf);
115 READ_FROM_NVRAM(maxpwr_bg, "pa0maxpwr", buf);
116 READ_FROM_NVRAM(maxpwr_al, "pa1lomaxpwr", buf);
117 READ_FROM_NVRAM(maxpwr_a, "pa1maxpwr", buf);
118 READ_FROM_NVRAM(maxpwr_ah, "pa1himaxpwr", buf);
119 READ_FROM_NVRAM(itssi_a, "pa1itssit", buf);
120 READ_FROM_NVRAM(itssi_bg, "pa0itssit", buf);
121 READ_FROM_NVRAM(tri2g, "tri2g", buf);
122 READ_FROM_NVRAM(tri5gl, "tri5gl", buf);
123 READ_FROM_NVRAM(tri5g, "tri5g", buf);
124 READ_FROM_NVRAM(tri5gh, "tri5gh", buf);
125 READ_FROM_NVRAM(rxpo2g, "rxpo2g", buf);
126 READ_FROM_NVRAM(rxpo5g, "rxpo5g", buf);
127 READ_FROM_NVRAM(rssisav2g, "rssisav2g", buf);
128 READ_FROM_NVRAM(rssismc2g, "rssismc2g", buf);
129 READ_FROM_NVRAM(rssismf2g, "rssismf2g", buf);
130 READ_FROM_NVRAM(bxa2g, "bxa2g", buf);
131 READ_FROM_NVRAM(rssisav5g, "rssisav5g", buf);
132 READ_FROM_NVRAM(rssismc5g, "rssismc5g", buf);
133 READ_FROM_NVRAM(rssismf5g, "rssismf5g", buf);
134 READ_FROM_NVRAM(bxa5g, "bxa5g", buf);
135 READ_FROM_NVRAM(cck2gpo, "cck2gpo", buf);
136 READ_FROM_NVRAM(ofdm2gpo, "ofdm2gpo", buf);
137 READ_FROM_NVRAM(ofdm5glpo, "ofdm5glpo", buf);
138 READ_FROM_NVRAM(ofdm5gpo, "ofdm5gpo", buf);
139 READ_FROM_NVRAM(ofdm5ghpo, "ofdm5ghpo", buf);
140
Hauke Mehrtensa7c62f82011-05-10 23:31:31 +0200141 if (nvram_getprefix(prefix, "boardflags", buf, sizeof(buf)) >= 0) {
Hauke Mehrtens2aa088d2010-11-27 17:45:59 +0100142 boardflags = simple_strtoul(buf, NULL, 0);
143 if (boardflags) {
144 sprom->boardflags_lo = (boardflags & 0x0000FFFFU);
145 sprom->boardflags_hi = (boardflags & 0xFFFF0000U) >> 16;
146 }
147 }
Hauke Mehrtensa7c62f82011-05-10 23:31:31 +0200148 if (nvram_getprefix(prefix, "boardflags2", buf, sizeof(buf)) >= 0) {
Hauke Mehrtens2aa088d2010-11-27 17:45:59 +0100149 boardflags = simple_strtoul(buf, NULL, 0);
150 if (boardflags) {
151 sprom->boardflags2_lo = (boardflags & 0x0000FFFFU);
152 sprom->boardflags2_hi = (boardflags & 0xFFFF0000U) >> 16;
153 }
154 }
155}
156
Aurelien Jarno1c0c13e2007-09-25 15:40:12 +0200157static int bcm47xx_get_invariants(struct ssb_bus *bus,
158 struct ssb_init_invariants *iv)
159{
Hauke Mehrtens2aa088d2010-11-27 17:45:59 +0100160 char buf[20];
Aurelien Jarno25e5fb92007-09-25 15:41:24 +0200161
162 /* Fill boardinfo structure */
163 memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo));
164
Hauke Mehrtens82571082010-11-27 17:45:58 +0100165 if (nvram_getenv("boardvendor", buf, sizeof(buf)) >= 0)
Hauke Mehrtens2aa088d2010-11-27 17:45:59 +0100166 iv->boardinfo.vendor = (u16)simple_strtoul(buf, NULL, 0);
167 else
168 iv->boardinfo.vendor = SSB_BOARDVENDOR_BCM;
Hauke Mehrtens82571082010-11-27 17:45:58 +0100169 if (nvram_getenv("boardtype", buf, sizeof(buf)) >= 0)
Aurelien Jarno25e5fb92007-09-25 15:41:24 +0200170 iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
Hauke Mehrtens82571082010-11-27 17:45:58 +0100171 if (nvram_getenv("boardrev", buf, sizeof(buf)) >= 0)
Aurelien Jarno25e5fb92007-09-25 15:41:24 +0200172 iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0);
173
Hauke Mehrtensa7c62f82011-05-10 23:31:31 +0200174 bcm47xx_fill_sprom(&iv->sprom, NULL);
Aurelien Jarno25e5fb92007-09-25 15:41:24 +0200175
Hauke Mehrtens2aa088d2010-11-27 17:45:59 +0100176 if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
177 iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10);
Aurelien Jarno25e5fb92007-09-25 15:41:24 +0200178
Aurelien Jarno1c0c13e2007-09-25 15:40:12 +0200179 return 0;
180}
181
182void __init plat_mem_setup(void)
183{
184 int err;
Hauke Mehrtens1690a7f2010-11-27 17:46:01 +0100185 char buf[100];
186 struct ssb_mipscore *mcore;
Aurelien Jarno1c0c13e2007-09-25 15:40:12 +0200187
188 err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE,
189 bcm47xx_get_invariants);
190 if (err)
191 panic("Failed to initialize SSB bus (err %d)\n", err);
192
Hauke Mehrtens1690a7f2010-11-27 17:46:01 +0100193 mcore = &ssb_bcm47xx.mipscore;
194 if (nvram_getenv("kernel_args", buf, sizeof(buf)) >= 0) {
195 if (strstr(buf, "console=ttyS1")) {
196 struct ssb_serial_port port;
197
198 printk(KERN_DEBUG "Swapping serial ports!\n");
199 /* swap serial ports */
200 memcpy(&port, &mcore->serial_ports[0], sizeof(port));
201 memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1],
202 sizeof(port));
203 memcpy(&mcore->serial_ports[1], &port, sizeof(port));
204 }
205 }
206
Aurelien Jarno1c0c13e2007-09-25 15:40:12 +0200207 _machine_restart = bcm47xx_machine_restart;
208 _machine_halt = bcm47xx_machine_halt;
209 pm_power_off = bcm47xx_machine_halt;
Aurelien Jarno1c0c13e2007-09-25 15:40:12 +0200210}