2 * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org)
3 * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
4 * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
5 * Copyright (C) 2006 Michael Buesch
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.
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.
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.
28 #include <linux/init.h>
29 #include <linux/types.h>
30 #include <linux/tty.h>
31 #include <linux/serial.h>
32 #include <linux/serial_core.h>
33 #include <linux/serial_reg.h>
34 #include <asm/bootinfo.h>
36 #include <asm/reboot.h>
39 #include <linux/ssb/ssb.h>
43 extern void bcm47xx_pci_init(void);
44 extern void bcm47xx_time_init(void);
48 static void bcm47xx_machine_restart(char *command
)
50 printk(KERN_ALERT
"Please stand by while rebooting the system...\n");
52 /* CFE has a reboot callback, but that does not work.
53 * Oopses with: Reserved instruction in kernel code.
56 /* Set the watchdog timer to reset immediately */
57 ssb_chipco_watchdog(&ssb
.chipco
, 1);
62 static void bcm47xx_machine_halt(void)
64 /* Disable interrupts and watchdog and spin forever */
66 ssb_chipco_watchdog(&ssb
.chipco
, 0);
71 static void e_aton(char *str
, char *dest
)
81 dest
[i
++] = (char) simple_strtoul(str
, NULL
, 16);
83 if (!*str
++ || i
== 6)
88 static void bcm47xx_fill_sprom(struct ssb_sprom
*sprom
)
93 static void bcm47xx_fill_sprom_nvram(struct ssb_sprom
*sprom
)
97 memset(sprom
, 0, sizeof(struct ssb_sprom
));
100 if ((s
= nvram_get("et0macaddr")))
101 e_aton(s
, sprom
->r1
.et0mac
);
102 if ((s
= nvram_get("et1macaddr")))
103 e_aton(s
, sprom
->r1
.et1mac
);
104 if ((s
= nvram_get("et0phyaddr")))
105 sprom
->r1
.et0phyaddr
= simple_strtoul(s
, NULL
, 10);
106 if ((s
= nvram_get("et1phyaddr")))
107 sprom
->r1
.et1phyaddr
= simple_strtoul(s
, NULL
, 10);
110 void __init
plat_mem_setup(void)
114 struct ssb_mipscore
*mcore
;
116 err
= ssb_bus_ssbbus_register(&ssb
, SSB_ENUM_BASE
, bcm47xx_fill_sprom
);
118 const char *msg
= "Failed to initialize SSB bus (err %d)\n";
119 cfe_printk(msg
, err
); /* Make sure the message gets out of the box. */
122 mcore
= &ssb
.mipscore
;
124 /* FIXME: the nvram init depends on the ssb being fully initializes,
125 * can't use the fill_sprom callback yet! */
126 bcm47xx_fill_sprom_nvram(&ssb
.sprom
);
128 s
= nvram_get("kernel_args");
129 if (s
&& !strncmp(s
, "console=ttyS1", 13)) {
130 struct ssb_serial_port port
;
132 cfe_printk("Swapping serial ports!\n");
133 /* swap serial ports */
134 memcpy(&port
, &mcore
->serial_ports
[0], sizeof(port
));
135 memcpy(&mcore
->serial_ports
[0], &mcore
->serial_ports
[1], sizeof(port
));
136 memcpy(&mcore
->serial_ports
[1], &port
, sizeof(port
));
139 for (i
= 0; i
< mcore
->nr_serial_ports
; i
++) {
140 struct ssb_serial_port
*port
= &(mcore
->serial_ports
[i
]);
143 memset(&s
, 0, sizeof(s
));
145 s
.membase
= port
->regs
;
146 s
.irq
= port
->irq
+ 2;//FIXME?
147 s
.uartclk
= port
->baud_base
;
148 s
.flags
= UPF_BOOT_AUTOCONF
| UPF_SHARE_IRQ
;
149 s
.iotype
= SERIAL_IO_MEM
;
150 s
.regshift
= port
->reg_shift
;
152 early_serial_setup(&s
);
154 cfe_printk("Serial init done.\n");
156 _machine_restart
= bcm47xx_machine_restart
;
157 _machine_halt
= bcm47xx_machine_halt
;
158 pm_power_off
= bcm47xx_machine_halt
;
160 board_time_init
= bcm47xx_time_init
;//FIXME move into ssb
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