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372 lines
10 KiB
372 lines
10 KiB
--- a/arch/mips/bcm47xx/irq.c
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+++ b/arch/mips/bcm47xx/irq.c
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@@ -1,5 +1,6 @@
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/*
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* Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
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+ * Copyright (C) 2008 Michael Buesch <mb@bu3sch.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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@@ -23,10 +24,19 @@
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*/
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#include <linux/types.h>
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+#include <linux/errno.h>
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+#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <linux/irq.h>
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+#include <linux/pci.h>
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+#include <linux/ssb/ssb.h>
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+
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#include <asm/irq_cpu.h>
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+
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+extern struct ssb_bus ssb_bcm47xx;
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+
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+
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void plat_irq_dispatch(void)
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{
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u32 cause;
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@@ -53,3 +63,19 @@
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{
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mips_cpu_irq_init();
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}
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+
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+int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
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+{
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+ int res;
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+
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+ res = ssb_pcibios_map_irq(dev, slot, pin);
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+ if (res < 0) {
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+ printk(KERN_ALERT "PCI: Failed to map IRQ of device %s\n",
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+ dev->dev.bus_id);
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+ return 0;
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+ }
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+ /* IRQ-0 and IRQ-1 are software interrupts. */
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+ WARN_ON((res == 0) || (res == 1));
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+
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+ return res;
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+}
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--- a/arch/mips/bcm47xx/setup.c
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+++ b/arch/mips/bcm47xx/setup.c
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@@ -2,7 +2,7 @@
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* Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
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* Copyright (C) 2005 Waldemar Brodkorb <wbx@openwrt.org>
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* Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
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- * Copyright (C) 2006 Michael Buesch <mb@bu3sch.de>
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+ * Copyright (C) 2006-2008 Michael Buesch <mb@bu3sch.de>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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@@ -25,23 +25,52 @@
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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+#include <linux/init.h>
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#include <linux/types.h>
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-#include <linux/ssb/ssb.h>
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+#include <linux/tty.h>
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+#include <linux/serial.h>
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+#include <linux/serial_core.h>
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+#include <linux/serial_reg.h>
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+#include <linux/serial_8250.h>
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#include <asm/bootinfo.h>
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-#include <asm/reboot.h>
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#include <asm/time.h>
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-#include <bcm47xx.h>
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+#include <asm/reboot.h>
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#include <asm/fw/cfe/cfe_api.h>
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+#include <linux/pm.h>
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+#include <linux/ssb/ssb.h>
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+#include <linux/ssb/ssb_embedded.h>
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+
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+#include "include/nvram.h"
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struct ssb_bus ssb_bcm47xx;
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EXPORT_SYMBOL(ssb_bcm47xx);
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+extern void bcm47xx_pci_init(void);
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+
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+int pcibios_plat_dev_init(struct pci_dev *dev)
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+{
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+ int err;
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+
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+ err = ssb_pcibios_plat_dev_init(dev);
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+ if (err) {
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+ printk(KERN_ALERT "PCI: Failed to init device %s\n",
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+ pci_name(dev));
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+ }
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+
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+ return err;
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+}
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+
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static void bcm47xx_machine_restart(char *command)
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{
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printk(KERN_ALERT "Please stand by while rebooting the system...\n");
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local_irq_disable();
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+ /* CFE has a reboot callback, but that does not work.
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+ * Oopses with: Reserved instruction in kernel code.
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+ */
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+
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/* Set the watchdog timer to reset immediately */
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- ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 1);
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+ if (ssb_watchdog_timer_set(&ssb_bcm47xx, 1))
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+ printk(KERN_EMERG "SSB watchdog-triggered reboot failed!\n");
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while (1)
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cpu_relax();
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}
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@@ -50,12 +79,13 @@
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{
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/* Disable interrupts and watchdog and spin forever */
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local_irq_disable();
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- ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 0);
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+ if (ssb_watchdog_timer_set(&ssb_bcm47xx, 0))
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+ printk(KERN_EMERG "Failed to disable SSB watchdog!\n");
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while (1)
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cpu_relax();
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}
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-static void str2eaddr(char *str, char *dest)
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+static void e_aton(char *str, char *dest)
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{
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int i = 0;
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@@ -72,52 +102,141 @@
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}
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}
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-static int bcm47xx_get_invariants(struct ssb_bus *bus,
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- struct ssb_init_invariants *iv)
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+static void bcm47xx_fill_sprom(struct ssb_sprom *sprom)
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{
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- char buf[100];
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+ char *s;
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- /* Fill boardinfo structure */
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- memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo));
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+ memset(sprom, 0xFF, sizeof(struct ssb_sprom));
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- if (cfe_getenv("boardvendor", buf, sizeof(buf)) >= 0)
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- iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
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- if (cfe_getenv("boardtype", buf, sizeof(buf)) >= 0)
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- iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
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- if (cfe_getenv("boardrev", buf, sizeof(buf)) >= 0)
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- iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0);
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-
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- /* Fill sprom structure */
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- memset(&(iv->sprom), 0, sizeof(struct ssb_sprom));
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- iv->sprom.revision = 3;
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-
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- if (cfe_getenv("et0macaddr", buf, sizeof(buf)) >= 0)
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- str2eaddr(buf, iv->sprom.et0mac);
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- if (cfe_getenv("et1macaddr", buf, sizeof(buf)) >= 0)
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- str2eaddr(buf, iv->sprom.et1mac);
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- if (cfe_getenv("et0phyaddr", buf, sizeof(buf)) >= 0)
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- iv->sprom.et0phyaddr = simple_strtoul(buf, NULL, 10);
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- if (cfe_getenv("et1phyaddr", buf, sizeof(buf)) >= 0)
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- iv->sprom.et1phyaddr = simple_strtoul(buf, NULL, 10);
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- if (cfe_getenv("et0mdcport", buf, sizeof(buf)) >= 0)
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- iv->sprom.et0mdcport = simple_strtoul(buf, NULL, 10);
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- if (cfe_getenv("et1mdcport", buf, sizeof(buf)) >= 0)
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- iv->sprom.et1mdcport = simple_strtoul(buf, NULL, 10);
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+ sprom->revision = 1;
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+ if ((s = nvram_get("il0macaddr")))
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+ e_aton(s, sprom->il0mac);
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+ if ((s = nvram_get("et0macaddr")))
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+ e_aton(s, sprom->et0mac);
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+ if ((s = nvram_get("et1macaddr")))
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+ e_aton(s, sprom->et1mac);
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+ if ((s = nvram_get("et0phyaddr")))
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+ sprom->et0phyaddr = simple_strtoul(s, NULL, 0);
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+ if ((s = nvram_get("et1phyaddr")))
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+ sprom->et1phyaddr = simple_strtoul(s, NULL, 0);
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+ if ((s = nvram_get("et0mdcport")))
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+ sprom->et0mdcport = !!simple_strtoul(s, NULL, 10);
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+ if ((s = nvram_get("et1mdcport")))
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+ sprom->et1mdcport = !!simple_strtoul(s, NULL, 10);
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+ if ((s = nvram_get("pa0b0")))
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+ sprom->pa0b0 = simple_strtoul(s, NULL, 0);
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+ if ((s = nvram_get("pa0b1")))
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+ sprom->pa0b1 = simple_strtoul(s, NULL, 0);
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+ if ((s = nvram_get("pa0b2")))
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+ sprom->pa0b2 = simple_strtoul(s, NULL, 0);
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+ if ((s = nvram_get("pa1b0")))
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+ sprom->pa1b0 = simple_strtoul(s, NULL, 0);
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+ if ((s = nvram_get("pa1b1")))
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+ sprom->pa1b1 = simple_strtoul(s, NULL, 0);
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+ if ((s = nvram_get("pa1b2")))
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+ sprom->pa1b2 = simple_strtoul(s, NULL, 0);
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+ if ((s = nvram_get("wl0gpio0")))
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+ sprom->gpio0 = simple_strtoul(s, NULL, 0);
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+ if ((s = nvram_get("wl0gpio1")))
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+ sprom->gpio1 = simple_strtoul(s, NULL, 0);
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+ if ((s = nvram_get("wl0gpio2")))
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+ sprom->gpio2 = simple_strtoul(s, NULL, 0);
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+ if ((s = nvram_get("wl0gpio3")))
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+ sprom->gpio3 = simple_strtoul(s, NULL, 0);
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+ if ((s = nvram_get("pa0maxpwr")))
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+ sprom->maxpwr_bg = simple_strtoul(s, NULL, 0);
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+ if ((s = nvram_get("pa1maxpwr")))
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+ sprom->maxpwr_a = simple_strtoul(s, NULL, 0);
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+ if ((s = nvram_get("pa0itssit")))
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+ sprom->itssi_bg = simple_strtoul(s, NULL, 0);
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+ if ((s = nvram_get("pa1itssit")))
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+ sprom->itssi_a = simple_strtoul(s, NULL, 0);
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+ sprom->boardflags_lo = 0;
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+ if ((s = nvram_get("boardflags")))
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+ sprom->boardflags_lo = simple_strtoul(s, NULL, 0);
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+ sprom->boardflags_hi = 0;
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+ if ((s = nvram_get("boardflags2")))
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+ sprom->boardflags_hi = simple_strtoul(s, NULL, 0);
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+}
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+
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+static int bcm47xx_get_invariants(struct ssb_bus *bus, struct ssb_init_invariants *iv)
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+{
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+ char *s;
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+
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+ iv->boardinfo.vendor = SSB_BOARDVENDOR_BCM;
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+ if ((s = nvram_get("boardtype")))
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+ iv->boardinfo.type = (u16)simple_strtoul(s, NULL, 0);
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+ if ((s = nvram_get("boardrev")))
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+ iv->boardinfo.rev = (u16)simple_strtoul(s, NULL, 0);
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+
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+ bcm47xx_fill_sprom(&iv->sprom);
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+
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+ if ((s = nvram_get("cardbus")))
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+ iv->has_cardbus_slot = !!simple_strtoul(s, NULL, 10);
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return 0;
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}
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void __init plat_mem_setup(void)
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{
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- int err;
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+ int i, err;
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+ char *s;
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+ struct ssb_mipscore *mcore;
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+
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+ err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE, bcm47xx_get_invariants);
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+ if (err) {
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+ const char *msg = "Failed to initialize SSB bus (err %d)\n";
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+ printk(msg, err); /* Make sure the message gets out of the box. */
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+ panic(msg, err);
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+ }
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+ mcore = &ssb_bcm47xx.mipscore;
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+
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+ s = nvram_get("kernel_args");
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+ if (s && !strncmp(s, "console=ttyS1", 13)) {
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+ struct ssb_serial_port port;
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+
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+ printk("Swapping serial ports!\n");
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+ /* swap serial ports */
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+ memcpy(&port, &mcore->serial_ports[0], sizeof(port));
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+ memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1], sizeof(port));
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+ memcpy(&mcore->serial_ports[1], &port, sizeof(port));
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+ }
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- err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE,
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- bcm47xx_get_invariants);
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- if (err)
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- panic("Failed to initialize SSB bus (err %d)\n", err);
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+ for (i = 0; i < mcore->nr_serial_ports; i++) {
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+ struct ssb_serial_port *port = &(mcore->serial_ports[i]);
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+ struct uart_port s;
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+
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+ memset(&s, 0, sizeof(s));
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+ s.line = i;
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+ s.membase = port->regs;
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+ s.irq = port->irq + 2;
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+ s.uartclk = port->baud_base;
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+ s.flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
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+ s.iotype = SERIAL_IO_MEM;
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+ s.regshift = port->reg_shift;
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+
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+ early_serial_setup(&s);
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+ }
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+ printk("Serial init done.\n");
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_machine_restart = bcm47xx_machine_restart;
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_machine_halt = bcm47xx_machine_halt;
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pm_power_off = bcm47xx_machine_halt;
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}
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+static int __init bcm47xx_register_gpiodev(void)
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+{
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+ static struct resource res = {
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+ .start = 0xFFFFFFFF,
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+ };
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+ struct platform_device *pdev;
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+
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+ pdev = platform_device_register_simple("GPIODEV", 0, &res, 1);
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+ if (!pdev) {
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+ printk(KERN_ERR "bcm47xx: GPIODEV init failed\n");
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+ return -ENODEV;
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+ }
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+
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+ return 0;
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+}
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+device_initcall(bcm47xx_register_gpiodev);
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--- a/arch/mips/bcm47xx/time.c
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+++ b/arch/mips/bcm47xx/time.c
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@@ -22,11 +22,17 @@
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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-
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#include <linux/init.h>
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+#include <linux/kernel.h>
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+#include <linux/sched.h>
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+#include <linux/serial_reg.h>
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+#include <linux/interrupt.h>
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#include <linux/ssb/ssb.h>
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+#include <asm/addrspace.h>
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+#include <asm/io.h>
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#include <asm/time.h>
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-#include <bcm47xx.h>
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+
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+extern struct ssb_bus ssb_bcm47xx;
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void __init plat_time_init(void)
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{
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--- a/arch/mips/bcm47xx/nvram.c
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+++ b/arch/mips/bcm47xx/nvram.c
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@@ -24,10 +24,10 @@
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#include <asm/io.h>
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#include <asm/uaccess.h>
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-#include <nvram.h>
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+#include "include/nvram.h"
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#define MB * 1048576
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-extern struct ssb_bus ssb;
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+extern struct ssb_bus ssb_bcm47xx;
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static char nvram_buf[NVRAM_SPACE];
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static int cfe_env;
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@@ -36,7 +36,7 @@
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/* Probe for NVRAM header */
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static void __init early_nvram_init(void)
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{
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- struct ssb_mipscore *mcore = &ssb.mipscore;
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+ struct ssb_mipscore *mcore = &ssb_bcm47xx.mipscore;
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struct nvram_header *header;
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int i;
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u32 base, lim, off;
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--- a/arch/mips/bcm47xx/Makefile
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+++ b/arch/mips/bcm47xx/Makefile
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@@ -3,4 +3,4 @@
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# under Linux.
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#
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-obj-y := gpio.o irq.o prom.o serial.o setup.o time.o wgt634u.o
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+obj-y := cfe_env.o gpio.o irq.o nvram.o prom.o serial.o setup.o time.o wgt634u.o
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--- a/arch/mips/Kconfig
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+++ b/arch/mips/Kconfig
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@@ -54,6 +54,7 @@
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select SSB_DRIVER_MIPS
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select SSB_DRIVER_EXTIF
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select SSB_DRIVER_PCICORE
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+ select SSB_B43_PCI_BRIDGE
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select SSB_PCICORE_HOSTMODE if PCI
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select GENERIC_GPIO
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select SYS_HAS_EARLY_PRINTK
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