Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org> |
Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 3 | * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> |
Michael Büsch | eb032b9 | 2011-07-04 20:50:05 +0200 | [diff] [blame] | 4 | * Copyright (C) 2006 Michael Buesch <m@bues.ch> |
Waldemar Brodkorb | 121915c | 2010-06-08 19:06:01 +0200 | [diff] [blame] | 5 | * Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org> |
Hauke Mehrtens | f384b3d | 2012-02-28 00:56:14 +0100 | [diff] [blame] | 6 | * Copyright (C) 2010-2012 Hauke Mehrtens <hauke@hauke-m.de> |
Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 7 | * |
| 8 | * This program is free software; you can redistribute it and/or modify it |
| 9 | * under the terms of the GNU General Public License as published by the |
| 10 | * Free Software Foundation; either version 2 of the License, or (at your |
| 11 | * option) any later version. |
| 12 | * |
| 13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED |
| 14 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF |
| 15 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN |
| 16 | * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 17 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 18 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| 19 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| 20 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 21 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 22 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 23 | * |
| 24 | * You should have received a copy of the GNU General Public License along |
| 25 | * with this program; if not, write to the Free Software Foundation, Inc., |
| 26 | * 675 Mass Ave, Cambridge, MA 02139, USA. |
| 27 | */ |
| 28 | |
Paul Gortmaker | cae39d1 | 2011-07-28 18:46:31 -0400 | [diff] [blame] | 29 | #include <linux/export.h> |
Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 30 | #include <linux/types.h> |
Hauke Mehrtens | b04138b | 2013-12-20 02:16:13 +0100 | [diff] [blame^] | 31 | #include <linux/ethtool.h> |
| 32 | #include <linux/phy.h> |
| 33 | #include <linux/phy_fixed.h> |
Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 34 | #include <linux/ssb/ssb.h> |
Aurelien Jarno | b06f3e1 | 2008-10-14 11:44:26 +0200 | [diff] [blame] | 35 | #include <linux/ssb/ssb_embedded.h> |
Hauke Mehrtens | c1d1c5d | 2011-07-23 01:20:14 +0200 | [diff] [blame] | 36 | #include <linux/bcma/bcma_soc.h> |
Aurelien Jarno | 25e5fb9 | 2007-09-25 15:41:24 +0200 | [diff] [blame] | 37 | #include <asm/bootinfo.h> |
Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 38 | #include <asm/reboot.h> |
| 39 | #include <asm/time.h> |
| 40 | #include <bcm47xx.h> |
Hauke Mehrtens | 111bd98 | 2012-12-26 19:51:14 +0000 | [diff] [blame] | 41 | #include <bcm47xx_nvram.h> |
Hauke Mehrtens | 786c497 | 2013-09-18 13:29:57 +0200 | [diff] [blame] | 42 | #include <bcm47xx_board.h> |
Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 43 | |
Hauke Mehrtens | 08ccf572 | 2011-07-23 01:20:12 +0200 | [diff] [blame] | 44 | union bcm47xx_bus bcm47xx_bus; |
| 45 | EXPORT_SYMBOL(bcm47xx_bus); |
| 46 | |
| 47 | enum bcm47xx_bus_type bcm47xx_bus_type; |
| 48 | EXPORT_SYMBOL(bcm47xx_bus_type); |
Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 49 | |
| 50 | static void bcm47xx_machine_restart(char *command) |
| 51 | { |
| 52 | printk(KERN_ALERT "Please stand by while rebooting the system...\n"); |
| 53 | local_irq_disable(); |
| 54 | /* Set the watchdog timer to reset immediately */ |
Hauke Mehrtens | 08ccf572 | 2011-07-23 01:20:12 +0200 | [diff] [blame] | 55 | switch (bcm47xx_bus_type) { |
Hauke Mehrtens | a656ffc | 2011-07-23 01:20:13 +0200 | [diff] [blame] | 56 | #ifdef CONFIG_BCM47XX_SSB |
Hauke Mehrtens | 08ccf572 | 2011-07-23 01:20:12 +0200 | [diff] [blame] | 57 | case BCM47XX_BUS_TYPE_SSB: |
| 58 | ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 1); |
| 59 | break; |
Hauke Mehrtens | a656ffc | 2011-07-23 01:20:13 +0200 | [diff] [blame] | 60 | #endif |
Hauke Mehrtens | c1d1c5d | 2011-07-23 01:20:14 +0200 | [diff] [blame] | 61 | #ifdef CONFIG_BCM47XX_BCMA |
| 62 | case BCM47XX_BUS_TYPE_BCMA: |
| 63 | bcma_chipco_watchdog_timer_set(&bcm47xx_bus.bcma.bus.drv_cc, 1); |
| 64 | break; |
| 65 | #endif |
Hauke Mehrtens | 08ccf572 | 2011-07-23 01:20:12 +0200 | [diff] [blame] | 66 | } |
Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 67 | while (1) |
| 68 | cpu_relax(); |
| 69 | } |
| 70 | |
| 71 | static void bcm47xx_machine_halt(void) |
| 72 | { |
| 73 | /* Disable interrupts and watchdog and spin forever */ |
| 74 | local_irq_disable(); |
Hauke Mehrtens | 08ccf572 | 2011-07-23 01:20:12 +0200 | [diff] [blame] | 75 | switch (bcm47xx_bus_type) { |
Hauke Mehrtens | a656ffc | 2011-07-23 01:20:13 +0200 | [diff] [blame] | 76 | #ifdef CONFIG_BCM47XX_SSB |
Hauke Mehrtens | 08ccf572 | 2011-07-23 01:20:12 +0200 | [diff] [blame] | 77 | case BCM47XX_BUS_TYPE_SSB: |
| 78 | ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 0); |
| 79 | break; |
Hauke Mehrtens | a656ffc | 2011-07-23 01:20:13 +0200 | [diff] [blame] | 80 | #endif |
Hauke Mehrtens | c1d1c5d | 2011-07-23 01:20:14 +0200 | [diff] [blame] | 81 | #ifdef CONFIG_BCM47XX_BCMA |
| 82 | case BCM47XX_BUS_TYPE_BCMA: |
| 83 | bcma_chipco_watchdog_timer_set(&bcm47xx_bus.bcma.bus.drv_cc, 0); |
| 84 | break; |
| 85 | #endif |
Hauke Mehrtens | 08ccf572 | 2011-07-23 01:20:12 +0200 | [diff] [blame] | 86 | } |
Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 87 | while (1) |
| 88 | cpu_relax(); |
| 89 | } |
| 90 | |
Hauke Mehrtens | a656ffc | 2011-07-23 01:20:13 +0200 | [diff] [blame] | 91 | #ifdef CONFIG_BCM47XX_SSB |
Hauke Mehrtens | f384b3d | 2012-02-28 00:56:14 +0100 | [diff] [blame] | 92 | static int bcm47xx_get_sprom_ssb(struct ssb_bus *bus, struct ssb_sprom *out) |
Hauke Mehrtens | fe6f364 | 2011-05-10 23:31:32 +0200 | [diff] [blame] | 93 | { |
| 94 | char prefix[10]; |
| 95 | |
| 96 | if (bus->bustype == SSB_BUSTYPE_PCI) { |
Nathan Hintz | 5fe2e07 | 2012-05-04 21:56:32 -0700 | [diff] [blame] | 97 | memset(out, 0, sizeof(struct ssb_sprom)); |
Hauke Mehrtens | fe6f364 | 2011-05-10 23:31:32 +0200 | [diff] [blame] | 98 | snprintf(prefix, sizeof(prefix), "pci/%u/%u/", |
| 99 | bus->host_pci->bus->number + 1, |
| 100 | PCI_SLOT(bus->host_pci->devfn)); |
Hauke Mehrtens | b8ebbaf | 2012-10-03 11:34:20 +0000 | [diff] [blame] | 101 | bcm47xx_fill_sprom(out, prefix, false); |
Hauke Mehrtens | fe6f364 | 2011-05-10 23:31:32 +0200 | [diff] [blame] | 102 | return 0; |
| 103 | } else { |
| 104 | printk(KERN_WARNING "bcm47xx: unable to fill SPROM for given bustype.\n"); |
| 105 | return -EINVAL; |
| 106 | } |
| 107 | } |
| 108 | |
Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 109 | static int bcm47xx_get_invariants(struct ssb_bus *bus, |
Hauke Mehrtens | f384b3d | 2012-02-28 00:56:14 +0100 | [diff] [blame] | 110 | struct ssb_init_invariants *iv) |
Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 111 | { |
Hauke Mehrtens | 2aa088d | 2010-11-27 17:45:59 +0100 | [diff] [blame] | 112 | char buf[20]; |
Aurelien Jarno | 25e5fb9 | 2007-09-25 15:41:24 +0200 | [diff] [blame] | 113 | |
| 114 | /* Fill boardinfo structure */ |
| 115 | memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo)); |
| 116 | |
Hauke Mehrtens | a9bba18 | 2012-04-29 02:04:07 +0200 | [diff] [blame] | 117 | bcm47xx_fill_ssb_boardinfo(&iv->boardinfo, NULL); |
Aurelien Jarno | 25e5fb9 | 2007-09-25 15:41:24 +0200 | [diff] [blame] | 118 | |
Nathan Hintz | 5fe2e07 | 2012-05-04 21:56:32 -0700 | [diff] [blame] | 119 | memset(&iv->sprom, 0, sizeof(struct ssb_sprom)); |
Hauke Mehrtens | b8ebbaf | 2012-10-03 11:34:20 +0000 | [diff] [blame] | 120 | bcm47xx_fill_sprom(&iv->sprom, NULL, false); |
Aurelien Jarno | 25e5fb9 | 2007-09-25 15:41:24 +0200 | [diff] [blame] | 121 | |
Hauke Mehrtens | 111bd98 | 2012-12-26 19:51:14 +0000 | [diff] [blame] | 122 | if (bcm47xx_nvram_getenv("cardbus", buf, sizeof(buf)) >= 0) |
Hauke Mehrtens | 2aa088d | 2010-11-27 17:45:59 +0100 | [diff] [blame] | 123 | iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10); |
Aurelien Jarno | 25e5fb9 | 2007-09-25 15:41:24 +0200 | [diff] [blame] | 124 | |
Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 125 | return 0; |
| 126 | } |
| 127 | |
Hauke Mehrtens | 08ccf572 | 2011-07-23 01:20:12 +0200 | [diff] [blame] | 128 | static void __init bcm47xx_register_ssb(void) |
Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 129 | { |
| 130 | int err; |
Hauke Mehrtens | 1690a7f | 2010-11-27 17:46:01 +0100 | [diff] [blame] | 131 | char buf[100]; |
| 132 | struct ssb_mipscore *mcore; |
Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 133 | |
Hauke Mehrtens | f384b3d | 2012-02-28 00:56:14 +0100 | [diff] [blame] | 134 | err = ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom_ssb); |
Hauke Mehrtens | fe6f364 | 2011-05-10 23:31:32 +0200 | [diff] [blame] | 135 | if (err) |
| 136 | printk(KERN_WARNING "bcm47xx: someone else already registered" |
| 137 | " a ssb SPROM callback handler (err %d)\n", err); |
| 138 | |
Hauke Mehrtens | 08ccf572 | 2011-07-23 01:20:12 +0200 | [diff] [blame] | 139 | err = ssb_bus_ssbbus_register(&(bcm47xx_bus.ssb), SSB_ENUM_BASE, |
Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 140 | bcm47xx_get_invariants); |
| 141 | if (err) |
Ralf Baechle | ab75dc0 | 2011-11-17 15:07:31 +0000 | [diff] [blame] | 142 | panic("Failed to initialize SSB bus (err %d)", err); |
Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 143 | |
Hauke Mehrtens | 08ccf572 | 2011-07-23 01:20:12 +0200 | [diff] [blame] | 144 | mcore = &bcm47xx_bus.ssb.mipscore; |
Hauke Mehrtens | 111bd98 | 2012-12-26 19:51:14 +0000 | [diff] [blame] | 145 | if (bcm47xx_nvram_getenv("kernel_args", buf, sizeof(buf)) >= 0) { |
Hauke Mehrtens | 1690a7f | 2010-11-27 17:46:01 +0100 | [diff] [blame] | 146 | if (strstr(buf, "console=ttyS1")) { |
| 147 | struct ssb_serial_port port; |
| 148 | |
| 149 | printk(KERN_DEBUG "Swapping serial ports!\n"); |
| 150 | /* swap serial ports */ |
| 151 | memcpy(&port, &mcore->serial_ports[0], sizeof(port)); |
| 152 | memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1], |
| 153 | sizeof(port)); |
| 154 | memcpy(&mcore->serial_ports[1], &port, sizeof(port)); |
| 155 | } |
| 156 | } |
Hauke Mehrtens | 08ccf572 | 2011-07-23 01:20:12 +0200 | [diff] [blame] | 157 | } |
Hauke Mehrtens | a656ffc | 2011-07-23 01:20:13 +0200 | [diff] [blame] | 158 | #endif |
Hauke Mehrtens | 08ccf572 | 2011-07-23 01:20:12 +0200 | [diff] [blame] | 159 | |
Hauke Mehrtens | c1d1c5d | 2011-07-23 01:20:14 +0200 | [diff] [blame] | 160 | #ifdef CONFIG_BCM47XX_BCMA |
Hauke Mehrtens | f384b3d | 2012-02-28 00:56:14 +0100 | [diff] [blame] | 161 | static int bcm47xx_get_sprom_bcma(struct bcma_bus *bus, struct ssb_sprom *out) |
| 162 | { |
| 163 | char prefix[10]; |
| 164 | struct bcma_device *core; |
| 165 | |
| 166 | switch (bus->hosttype) { |
| 167 | case BCMA_HOSTTYPE_PCI: |
Nathan Hintz | 5fe2e07 | 2012-05-04 21:56:32 -0700 | [diff] [blame] | 168 | memset(out, 0, sizeof(struct ssb_sprom)); |
Hauke Mehrtens | f384b3d | 2012-02-28 00:56:14 +0100 | [diff] [blame] | 169 | snprintf(prefix, sizeof(prefix), "pci/%u/%u/", |
| 170 | bus->host_pci->bus->number + 1, |
| 171 | PCI_SLOT(bus->host_pci->devfn)); |
Hauke Mehrtens | b8ebbaf | 2012-10-03 11:34:20 +0000 | [diff] [blame] | 172 | bcm47xx_fill_sprom(out, prefix, false); |
Hauke Mehrtens | f384b3d | 2012-02-28 00:56:14 +0100 | [diff] [blame] | 173 | return 0; |
| 174 | case BCMA_HOSTTYPE_SOC: |
Nathan Hintz | 5fe2e07 | 2012-05-04 21:56:32 -0700 | [diff] [blame] | 175 | memset(out, 0, sizeof(struct ssb_sprom)); |
Hauke Mehrtens | f384b3d | 2012-02-28 00:56:14 +0100 | [diff] [blame] | 176 | core = bcma_find_core(bus, BCMA_CORE_80211); |
| 177 | if (core) { |
| 178 | snprintf(prefix, sizeof(prefix), "sb/%u/", |
| 179 | core->core_index); |
Hauke Mehrtens | b8ebbaf | 2012-10-03 11:34:20 +0000 | [diff] [blame] | 180 | bcm47xx_fill_sprom(out, prefix, true); |
Hauke Mehrtens | 2c37631 | 2012-10-03 11:34:19 +0000 | [diff] [blame] | 181 | } else { |
Hauke Mehrtens | b8ebbaf | 2012-10-03 11:34:20 +0000 | [diff] [blame] | 182 | bcm47xx_fill_sprom(out, NULL, false); |
Hauke Mehrtens | f384b3d | 2012-02-28 00:56:14 +0100 | [diff] [blame] | 183 | } |
| 184 | return 0; |
| 185 | default: |
| 186 | pr_warn("bcm47xx: unable to fill SPROM for given bustype.\n"); |
| 187 | return -EINVAL; |
| 188 | } |
| 189 | } |
| 190 | |
Hauke Mehrtens | c1d1c5d | 2011-07-23 01:20:14 +0200 | [diff] [blame] | 191 | static void __init bcm47xx_register_bcma(void) |
| 192 | { |
| 193 | int err; |
| 194 | |
Hauke Mehrtens | f384b3d | 2012-02-28 00:56:14 +0100 | [diff] [blame] | 195 | err = bcma_arch_register_fallback_sprom(&bcm47xx_get_sprom_bcma); |
| 196 | if (err) |
| 197 | pr_warn("bcm47xx: someone else already registered a bcma SPROM callback handler (err %d)\n", err); |
| 198 | |
Hauke Mehrtens | c1d1c5d | 2011-07-23 01:20:14 +0200 | [diff] [blame] | 199 | err = bcma_host_soc_register(&bcm47xx_bus.bcma); |
| 200 | if (err) |
Ralf Baechle | ab75dc0 | 2011-11-17 15:07:31 +0000 | [diff] [blame] | 201 | panic("Failed to initialize BCMA bus (err %d)", err); |
Hauke Mehrtens | 0a2fcaa | 2012-04-29 02:04:08 +0200 | [diff] [blame] | 202 | |
| 203 | bcm47xx_fill_bcma_boardinfo(&bcm47xx_bus.bcma.bus.boardinfo, NULL); |
Hauke Mehrtens | c1d1c5d | 2011-07-23 01:20:14 +0200 | [diff] [blame] | 204 | } |
| 205 | #endif |
| 206 | |
Hauke Mehrtens | 08ccf572 | 2011-07-23 01:20:12 +0200 | [diff] [blame] | 207 | void __init plat_mem_setup(void) |
| 208 | { |
| 209 | struct cpuinfo_mips *c = ¤t_cpu_data; |
| 210 | |
Hauke Mehrtens | c1d1c5d | 2011-07-23 01:20:14 +0200 | [diff] [blame] | 211 | if (c->cputype == CPU_74K) { |
| 212 | printk(KERN_INFO "bcm47xx: using bcma bus\n"); |
| 213 | #ifdef CONFIG_BCM47XX_BCMA |
| 214 | bcm47xx_bus_type = BCM47XX_BUS_TYPE_BCMA; |
| 215 | bcm47xx_register_bcma(); |
Hauke Mehrtens | a656ffc | 2011-07-23 01:20:13 +0200 | [diff] [blame] | 216 | #endif |
Hauke Mehrtens | c1d1c5d | 2011-07-23 01:20:14 +0200 | [diff] [blame] | 217 | } else { |
| 218 | printk(KERN_INFO "bcm47xx: using ssb bus\n"); |
| 219 | #ifdef CONFIG_BCM47XX_SSB |
| 220 | bcm47xx_bus_type = BCM47XX_BUS_TYPE_SSB; |
| 221 | bcm47xx_register_ssb(); |
| 222 | #endif |
| 223 | } |
Hauke Mehrtens | 1690a7f | 2010-11-27 17:46:01 +0100 | [diff] [blame] | 224 | |
Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 225 | _machine_restart = bcm47xx_machine_restart; |
| 226 | _machine_halt = bcm47xx_machine_halt; |
| 227 | pm_power_off = bcm47xx_machine_halt; |
Hauke Mehrtens | 786c497 | 2013-09-18 13:29:57 +0200 | [diff] [blame] | 228 | bcm47xx_board_detect(); |
Aurelien Jarno | 1c0c13e | 2007-09-25 15:40:12 +0200 | [diff] [blame] | 229 | } |
Hauke Mehrtens | c1d1c5d | 2011-07-23 01:20:14 +0200 | [diff] [blame] | 230 | |
Hauke Mehrtens | b04138b | 2013-12-20 02:16:13 +0100 | [diff] [blame^] | 231 | static struct fixed_phy_status bcm47xx_fixed_phy_status __initdata = { |
| 232 | .link = 1, |
| 233 | .speed = SPEED_100, |
| 234 | .duplex = DUPLEX_FULL, |
| 235 | }; |
| 236 | |
Hauke Mehrtens | c1d1c5d | 2011-07-23 01:20:14 +0200 | [diff] [blame] | 237 | static int __init bcm47xx_register_bus_complete(void) |
| 238 | { |
| 239 | switch (bcm47xx_bus_type) { |
| 240 | #ifdef CONFIG_BCM47XX_SSB |
| 241 | case BCM47XX_BUS_TYPE_SSB: |
| 242 | /* Nothing to do */ |
| 243 | break; |
| 244 | #endif |
| 245 | #ifdef CONFIG_BCM47XX_BCMA |
| 246 | case BCM47XX_BUS_TYPE_BCMA: |
| 247 | bcma_bus_register(&bcm47xx_bus.bcma.bus); |
| 248 | break; |
| 249 | #endif |
| 250 | } |
Hauke Mehrtens | b04138b | 2013-12-20 02:16:13 +0100 | [diff] [blame^] | 251 | fixed_phy_add(PHY_POLL, 0, &bcm47xx_fixed_phy_status); |
Hauke Mehrtens | c1d1c5d | 2011-07-23 01:20:14 +0200 | [diff] [blame] | 252 | return 0; |
| 253 | } |
| 254 | device_initcall(bcm47xx_register_bus_complete); |