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 <linux/serial_8250.h>
35 #include <asm/bootinfo.h>
37 #include <asm/reboot.h>
40 #include <linux/ssb/ssb.h>
44 extern void bcm47xx_pci_init(void);
45 extern void bcm47xx_time_init(void);
49 static void bcm47xx_machine_restart(char *command)
51 printk(KERN_ALERT "Please stand by while rebooting the system...\n");
53 /* CFE has a reboot callback, but that does not work.
54 * Oopses with: Reserved instruction in kernel code.
57 /* Set the watchdog timer to reset immediately */
58 ssb_chipco_watchdog(&ssb.chipco, 1);
63 static void bcm47xx_machine_halt(void)
65 /* Disable interrupts and watchdog and spin forever */
67 ssb_chipco_watchdog(&ssb.chipco, 0);
72 static void e_aton(char *str, char *dest)
82 dest[i++] = (char) simple_strtoul(str, NULL, 16);
84 if (!*str++ || i == 6)
89 static void bcm47xx_fill_sprom(struct ssb_sprom *sprom)
94 static void bcm47xx_fill_sprom_nvram(struct ssb_sprom *sprom)
98 memset(sprom, 0, sizeof(struct ssb_sprom));
101 if ((s = nvram_get("et0macaddr")))
102 e_aton(s, sprom->r1.et0mac);
103 if ((s = nvram_get("et1macaddr")))
104 e_aton(s, sprom->r1.et1mac);
105 if ((s = nvram_get("et0phyaddr")))
106 sprom->r1.et0phyaddr = simple_strtoul(s, NULL, 10);
107 if ((s = nvram_get("et1phyaddr")))
108 sprom->r1.et1phyaddr = simple_strtoul(s, NULL, 10);
111 static int bcm47xx_get_invariants(struct ssb_bus *bus, struct ssb_init_invariants *iv)
116 //iv->boardinfo.vendor =
117 if ((s = nvram_get("boardtype")))
118 iv->boardinfo.type = (u16)simple_strtoul(s, NULL, 0);
119 if ((s = nvram_get("boardrev")))
120 iv->boardinfo.rev = (u16)simple_strtoul(s, NULL, 0);
121 bcm47xx_fill_sprom(&iv->sprom);
125 void __init plat_mem_setup(void)
129 struct ssb_mipscore *mcore;
131 err = ssb_bus_ssbbus_register(&ssb, SSB_ENUM_BASE, bcm47xx_get_invariants);
133 const char *msg = "Failed to initialize SSB bus (err %d)\n";
134 cfe_printk(msg, err); /* Make sure the message gets out of the box. */
137 mcore = &ssb.mipscore;
139 /* FIXME: the nvram init depends on the ssb being fully initializes,
140 * can't use the fill_sprom callback yet! */
141 bcm47xx_fill_sprom_nvram(&ssb.sprom);
143 s = nvram_get("kernel_args");
144 if (s && !strncmp(s, "console=ttyS1", 13)) {
145 struct ssb_serial_port port;
147 cfe_printk("Swapping serial ports!\n");
148 /* swap serial ports */
149 memcpy(&port, &mcore->serial_ports[0], sizeof(port));
150 memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1], sizeof(port));
151 memcpy(&mcore->serial_ports[1], &port, sizeof(port));
154 for (i = 0; i < mcore->nr_serial_ports; i++) {
155 struct ssb_serial_port *port = &(mcore->serial_ports[i]);
158 memset(&s, 0, sizeof(s));
160 s.membase = port->regs;
161 s.irq = port->irq + 2;//FIXME?
162 s.uartclk = port->baud_base;
163 s.flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
164 s.iotype = SERIAL_IO_MEM;
165 s.regshift = port->reg_shift;
167 early_serial_setup(&s);
169 cfe_printk("Serial init done.\n");
171 _machine_restart = bcm47xx_machine_restart;
172 _machine_halt = bcm47xx_machine_halt;
173 pm_power_off = bcm47xx_machine_halt;
175 board_time_init = bcm47xx_time_init;//FIXME move into ssb