1 /* 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 <mb@bu3sch.de> 6 * 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> 30 #include <asm/bootinfo.h> 31 #include <asm/reboot.h> 32 #include <asm/time.h> 33 #include <bcm47xx.h> 34 #include <asm/fw/cfe/cfe_api.h> 35 36 struct ssb_bus ssb_bcm47xx; 37 EXPORT_SYMBOL(ssb_bcm47xx); 38 39 static void bcm47xx_machine_restart(char *command) 40 { 41 printk(KERN_ALERT "Please stand by while rebooting the system...\n"); 42 local_irq_disable(); 43 /* Set the watchdog timer to reset immediately */ 44 ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 1); 45 while (1) 46 cpu_relax(); 47 } 48 49 static void bcm47xx_machine_halt(void) 50 { 51 /* Disable interrupts and watchdog and spin forever */ 52 local_irq_disable(); 53 ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 0); 54 while (1) 55 cpu_relax(); 56 } 57 58 static void str2eaddr(char *str, char *dest) 59 { 60 int i = 0; 61 62 if (str == NULL) { 63 memset(dest, 0, 6); 64 return; 65 } 66 67 for (;;) { 68 dest[i++] = (char) simple_strtoul(str, NULL, 16); 69 str += 2; 70 if (!*str++ || i == 6) 71 break; 72 } 73 } 74 75 static int bcm47xx_get_invariants(struct ssb_bus *bus, 76 struct ssb_init_invariants *iv) 77 { 78 char buf[100]; 79 80 /* Fill boardinfo structure */ 81 memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo)); 82 83 if (cfe_getenv("boardvendor", buf, sizeof(buf)) >= 0) 84 iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0); 85 if (cfe_getenv("boardtype", buf, sizeof(buf)) >= 0) 86 iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0); 87 if (cfe_getenv("boardrev", buf, sizeof(buf)) >= 0) 88 iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0); 89 90 /* Fill sprom structure */ 91 memset(&(iv->sprom), 0, sizeof(struct ssb_sprom)); 92 iv->sprom.revision = 3; 93 94 if (cfe_getenv("et0macaddr", buf, sizeof(buf)) >= 0) 95 str2eaddr(buf, iv->sprom.r1.et0mac); 96 if (cfe_getenv("et1macaddr", buf, sizeof(buf)) >= 0) 97 str2eaddr(buf, iv->sprom.r1.et1mac); 98 if (cfe_getenv("et0phyaddr", buf, sizeof(buf)) >= 0) 99 iv->sprom.r1.et0phyaddr = simple_strtoul(buf, NULL, 10); 100 if (cfe_getenv("et1phyaddr", buf, sizeof(buf)) >= 0) 101 iv->sprom.r1.et1phyaddr = simple_strtoul(buf, NULL, 10); 102 if (cfe_getenv("et0mdcport", buf, sizeof(buf)) >= 0) 103 iv->sprom.r1.et0mdcport = simple_strtoul(buf, NULL, 10); 104 if (cfe_getenv("et1mdcport", buf, sizeof(buf)) >= 0) 105 iv->sprom.r1.et1mdcport = simple_strtoul(buf, NULL, 10); 106 107 return 0; 108 } 109 110 void __init plat_mem_setup(void) 111 { 112 int err; 113 114 err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE, 115 bcm47xx_get_invariants); 116 if (err) 117 panic("Failed to initialize SSB bus (err %d)\n", err); 118 119 _machine_restart = bcm47xx_machine_restart; 120 _machine_halt = bcm47xx_machine_halt; 121 pm_power_off = bcm47xx_machine_halt; 122 } 123 124