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Diffstat (limited to 'target/linux/brcm47xx/files-2.6.23/arch/mips/bcm947xx/setup.c')
-rw-r--r--target/linux/brcm47xx/files-2.6.23/arch/mips/bcm947xx/setup.c246
1 files changed, 246 insertions, 0 deletions
diff --git a/target/linux/brcm47xx/files-2.6.23/arch/mips/bcm947xx/setup.c b/target/linux/brcm47xx/files-2.6.23/arch/mips/bcm947xx/setup.c
new file mode 100644
index 0000000000..41d7b0b758
--- /dev/null
+++ b/target/linux/brcm47xx/files-2.6.23/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);