diff options
Diffstat (limited to 'target/linux/brcm47xx/files-2.6.25/arch/mips/bcm947xx/setup.c')
-rw-r--r-- | target/linux/brcm47xx/files-2.6.25/arch/mips/bcm947xx/setup.c | 246 |
1 files changed, 246 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/files-2.6.25/arch/mips/bcm947xx/setup.c b/target/linux/brcm47xx/files-2.6.25/arch/mips/bcm947xx/setup.c new file mode 100644 index 000000000..41d7b0b75 --- /dev/null +++ b/target/linux/brcm47xx/files-2.6.25/arch/mips/bcm947xx/setup.c @@ -0,0 +1,246 @@ +/* + * Copyright (C) 2004 Florian Schirmer (jolt@tuxbox.org) + * Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org> + * Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org> + * Copyright (C) 2006-2008 Michael Buesch <mb@bu3sch.de> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/init.h> +#include <linux/types.h> +#include <linux/tty.h> +#include <linux/serial.h> +#include <linux/serial_core.h> +#include <linux/serial_reg.h> +#include <linux/serial_8250.h> +#include <asm/bootinfo.h> +#include <asm/time.h> +#include <asm/reboot.h> +#include <asm/cfe.h> +#include <linux/pm.h> +#include <linux/ssb/ssb.h> +#include <linux/ssb/ssb_embedded.h> + +#include <nvram.h> + +extern void bcm47xx_pci_init(void); +extern void bcm47xx_time_init(void); + +struct ssb_bus ssb; + + +int pcibios_plat_dev_init(struct pci_dev *dev) +{ + int err; + + err = ssb_pcibios_plat_dev_init(dev); + if (err) { + printk(KERN_ALERT "PCI: Failed to init device %s\n", + pci_name(dev)); + } + + return err; +} + +static void bcm47xx_machine_restart(char *command) +{ + printk(KERN_ALERT "Please stand by while rebooting the system...\n"); + local_irq_disable(); + /* CFE has a reboot callback, but that does not work. + * Oopses with: Reserved instruction in kernel code. + */ + + /* Set the watchdog timer to reset immediately */ + if (ssb_watchdog_timer_set(&ssb, 1)) + printk(KERN_EMERG "SSB watchdog-triggered reboot failed!\n"); + while (1) + cpu_relax(); +} + +static void bcm47xx_machine_halt(void) +{ + /* Disable interrupts and watchdog and spin forever */ + local_irq_disable(); + if (ssb_watchdog_timer_set(&ssb, 0)) + printk(KERN_EMERG "Failed to disable SSB watchdog!\n"); + while (1) + cpu_relax(); +} + +static void e_aton(char *str, char *dest) +{ + int i = 0; + + if (str == NULL) { + memset(dest, 0, 6); + return; + } + + for (;;) { + dest[i++] = (char) simple_strtoul(str, NULL, 16); + str += 2; + if (!*str++ || i == 6) + break; + } +} + +static void bcm47xx_fill_sprom(struct ssb_sprom *sprom) +{ + char *s; + + memset(sprom, 0xFF, sizeof(struct ssb_sprom)); + + sprom->revision = 1; + if ((s = nvram_get("il0macaddr"))) + e_aton(s, sprom->il0mac); + if ((s = nvram_get("et0macaddr"))) + e_aton(s, sprom->et0mac); + if ((s = nvram_get("et1macaddr"))) + e_aton(s, sprom->et1mac); + if ((s = nvram_get("et0phyaddr"))) + sprom->et0phyaddr = simple_strtoul(s, NULL, 0); + if ((s = nvram_get("et1phyaddr"))) + sprom->et1phyaddr = simple_strtoul(s, NULL, 0); + if ((s = nvram_get("et0mdcport"))) + sprom->et0mdcport = !!simple_strtoul(s, NULL, 10); + if ((s = nvram_get("et1mdcport"))) + sprom->et1mdcport = !!simple_strtoul(s, NULL, 10); + if ((s = nvram_get("pa0b0"))) + sprom->pa0b0 = simple_strtoul(s, NULL, 0); + if ((s = nvram_get("pa0b1"))) + sprom->pa0b1 = simple_strtoul(s, NULL, 0); + if ((s = nvram_get("pa0b2"))) + sprom->pa0b2 = simple_strtoul(s, NULL, 0); + if ((s = nvram_get("pa1b0"))) + sprom->pa1b0 = simple_strtoul(s, NULL, 0); + if ((s = nvram_get("pa1b1"))) + sprom->pa1b1 = simple_strtoul(s, NULL, 0); + if ((s = nvram_get("pa1b2"))) + sprom->pa1b2 = simple_strtoul(s, NULL, 0); + if ((s = nvram_get("wl0gpio0"))) + sprom->gpio0 = simple_strtoul(s, NULL, 0); + if ((s = nvram_get("wl0gpio1"))) + sprom->gpio1 = simple_strtoul(s, NULL, 0); + if ((s = nvram_get("wl0gpio2"))) + sprom->gpio2 = simple_strtoul(s, NULL, 0); + if ((s = nvram_get("wl0gpio3"))) + sprom->gpio3 = simple_strtoul(s, NULL, 0); + if ((s = nvram_get("pa0maxpwr"))) + sprom->maxpwr_bg = simple_strtoul(s, NULL, 0); + if ((s = nvram_get("pa1maxpwr"))) + sprom->maxpwr_a = simple_strtoul(s, NULL, 0); + if ((s = nvram_get("pa0itssit"))) + sprom->itssi_bg = simple_strtoul(s, NULL, 0); + if ((s = nvram_get("pa1itssit"))) + sprom->itssi_a = simple_strtoul(s, NULL, 0); + sprom->boardflags_lo = 0; + if ((s = nvram_get("boardflags"))) + sprom->boardflags_lo = simple_strtoul(s, NULL, 0); + sprom->boardflags_hi = 0; + if ((s = nvram_get("boardflags2"))) + sprom->boardflags_hi = simple_strtoul(s, NULL, 0); +} + +static int bcm47xx_get_invariants(struct ssb_bus *bus, struct ssb_init_invariants *iv) +{ + char *s; + + iv->boardinfo.vendor = SSB_BOARDVENDOR_BCM; + if ((s = nvram_get("boardtype"))) + iv->boardinfo.type = (u16)simple_strtoul(s, NULL, 0); + if ((s = nvram_get("boardrev"))) + iv->boardinfo.rev = (u16)simple_strtoul(s, NULL, 0); + + bcm47xx_fill_sprom(&iv->sprom); + + if ((s = nvram_get("cardbus"))) + iv->has_cardbus_slot = !!simple_strtoul(s, NULL, 10); + + return 0; +} + +void __init plat_mem_setup(void) +{ + int i, err; + char *s; + struct ssb_mipscore *mcore; + + err = ssb_bus_ssbbus_register(&ssb, SSB_ENUM_BASE, bcm47xx_get_invariants); + if (err) { + const char *msg = "Failed to initialize SSB bus (err %d)\n"; + cfe_printk(msg, err); /* Make sure the message gets out of the box. */ + panic(msg, err); + } + mcore = &ssb.mipscore; + + s = nvram_get("kernel_args"); + if (s && !strncmp(s, "console=ttyS1", 13)) { + struct ssb_serial_port port; + + cfe_printk("Swapping serial ports!\n"); + /* swap serial ports */ + memcpy(&port, &mcore->serial_ports[0], sizeof(port)); + memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1], sizeof(port)); + memcpy(&mcore->serial_ports[1], &port, sizeof(port)); + } + + for (i = 0; i < mcore->nr_serial_ports; i++) { + struct ssb_serial_port *port = &(mcore->serial_ports[i]); + struct uart_port s; + + memset(&s, 0, sizeof(s)); + s.line = i; + s.membase = port->regs; + s.irq = port->irq + 2; + s.uartclk = port->baud_base; + s.flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ; + s.iotype = SERIAL_IO_MEM; + s.regshift = port->reg_shift; + + early_serial_setup(&s); + } + cfe_printk("Serial init done.\n"); + + _machine_restart = bcm47xx_machine_restart; + _machine_halt = bcm47xx_machine_halt; + pm_power_off = bcm47xx_machine_halt; + board_time_init = bcm47xx_time_init; +} + +static int __init bcm47xx_register_gpiodev(void) +{ + static struct resource res = { + .start = 0xFFFFFFFF, + }; + struct platform_device *pdev; + + pdev = platform_device_register_simple("GPIODEV", 0, &res, 1); + if (!pdev) { + printk(KERN_ERR "bcm47xx: GPIODEV init failed\n"); + return -ENODEV; + } + + return 0; +} +device_initcall(bcm47xx_register_gpiodev); + +EXPORT_SYMBOL(ssb); |