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_timer_set(&ssb.chipco, 1);
63 static void bcm47xx_machine_halt(void)
65 /* Disable interrupts and watchdog and spin forever */
67 ssb_chipco_watchdog_timer_set(&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, 0xFF, sizeof(struct ssb_sprom));
101 if ((s = nvram_get("il0macaddr")))
102 e_aton(s, sprom->r1.il0mac);
103 if ((s = nvram_get("et0macaddr")))
104 e_aton(s, sprom->r1.et0mac);
105 if ((s = nvram_get("et1macaddr")))
106 e_aton(s, sprom->r1.et1mac);
107 if ((s = nvram_get("et0phyaddr")))
108 sprom->r1.et0phyaddr = simple_strtoul(s, NULL, 0);
109 if ((s = nvram_get("et1phyaddr")))
110 sprom->r1.et1phyaddr = simple_strtoul(s, NULL, 0);
111 if ((s = nvram_get("et0mdcport")))
112 sprom->r1.et0mdcport = !!simple_strtoul(s, NULL, 10);
113 if ((s = nvram_get("et1mdcport")))
114 sprom->r1.et1mdcport = !!simple_strtoul(s, NULL, 10);
115 if ((s = nvram_get("pa0b0")))
116 sprom->r1.pa0b0 = simple_strtoul(s, NULL, 0);
117 if ((s = nvram_get("pa0b1")))
118 sprom->r1.pa0b1 = simple_strtoul(s, NULL, 0);
119 if ((s = nvram_get("pa0b2")))
120 sprom->r1.pa0b2 = simple_strtoul(s, NULL, 0);
121 if ((s = nvram_get("pa1b0")))
122 sprom->r1.pa1b0 = simple_strtoul(s, NULL, 0);
123 if ((s = nvram_get("pa1b1")))
124 sprom->r1.pa1b1 = simple_strtoul(s, NULL, 0);
125 if ((s = nvram_get("pa1b2")))
126 sprom->r1.pa1b2 = simple_strtoul(s, NULL, 0);
127 if ((s = nvram_get("wl0gpio0")))
128 sprom->r1.gpio0 = simple_strtoul(s, NULL, 0);
129 if ((s = nvram_get("wl0gpio1")))
130 sprom->r1.gpio1 = simple_strtoul(s, NULL, 0);
131 if ((s = nvram_get("wl0gpio2")))
132 sprom->r1.gpio2 = simple_strtoul(s, NULL, 0);
133 if ((s = nvram_get("wl0gpio3")))
134 sprom->r1.gpio3 = simple_strtoul(s, NULL, 0);
135 if ((s = nvram_get("pa0maxpwr")))
136 sprom->r1.maxpwr_bg = simple_strtoul(s, NULL, 0);
137 if ((s = nvram_get("pa1maxpwr")))
138 sprom->r1.maxpwr_a = simple_strtoul(s, NULL, 0);
139 if ((s = nvram_get("pa0itssit")))
140 sprom->r1.itssi_bg = simple_strtoul(s, NULL, 0);
141 if ((s = nvram_get("pa1itssit")))
142 sprom->r1.itssi_a = simple_strtoul(s, NULL, 0);
143 if ((s = nvram_get("boardflags")))
144 sprom->r1.boardflags_lo = simple_strtoul(s, NULL, 0);
147 static int bcm47xx_get_invariants(struct ssb_bus *bus, struct ssb_init_invariants *iv)
151 iv->boardinfo.vendor = SSB_BOARDVENDOR_BCM;
152 if ((s = nvram_get("boardtype")))
153 iv->boardinfo.type = (u16)simple_strtoul(s, NULL, 0);
154 if ((s = nvram_get("boardrev")))
155 iv->boardinfo.rev = (u16)simple_strtoul(s, NULL, 0);
156 bcm47xx_fill_sprom(&iv->sprom);
160 void __init plat_mem_setup(void)
164 struct ssb_mipscore *mcore;
166 err = ssb_bus_ssbbus_register(&ssb, SSB_ENUM_BASE, bcm47xx_get_invariants);
168 const char *msg = "Failed to initialize SSB bus (err %d)\n";
169 cfe_printk(msg, err); /* Make sure the message gets out of the box. */
172 mcore = &ssb.mipscore;
174 /* FIXME: the nvram init depends on the ssb being fully initializes,
175 * can't use the fill_sprom callback yet! */
176 bcm47xx_fill_sprom_nvram(&ssb.sprom);
178 s = nvram_get("kernel_args");
179 if (s && !strncmp(s, "console=ttyS1", 13)) {
180 struct ssb_serial_port port;
182 cfe_printk("Swapping serial ports!\n");
183 /* swap serial ports */
184 memcpy(&port, &mcore->serial_ports[0], sizeof(port));
185 memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1], sizeof(port));
186 memcpy(&mcore->serial_ports[1], &port, sizeof(port));
189 for (i = 0; i < mcore->nr_serial_ports; i++) {
190 struct ssb_serial_port *port = &(mcore->serial_ports[i]);
193 memset(&s, 0, sizeof(s));
195 s.membase = port->regs;
196 s.irq = port->irq + 2;//FIXME?
197 s.uartclk = port->baud_base;
198 s.flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
199 s.iotype = SERIAL_IO_MEM;
200 s.regshift = port->reg_shift;
202 early_serial_setup(&s);
204 cfe_printk("Serial init done.\n");
206 _machine_restart = bcm47xx_machine_restart;
207 _machine_halt = bcm47xx_machine_halt;
208 pm_power_off = bcm47xx_machine_halt;
209 board_time_init = bcm47xx_time_init;