path: root/target/linux/brcm47xx/patches-2.6.25/400-arch-bcm47xx.patch

--- a/arch/mips/bcm47xx/irq.c
+++ b/arch/mips/bcm47xx/irq.c
@@ -1,5 +1,6 @@
 /*
  *  Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
+ *  Copyright (C) 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
@@ -23,10 +24,19 @@
  */
 
 #include <linux/types.h>
+#include <linux/errno.h>
+#include <linux/init.h>
 #include <linux/interrupt.h>
 #include <linux/irq.h>
+#include <linux/pci.h>
+#include <linux/ssb/ssb.h>
+
 #include <asm/irq_cpu.h>
 
+
+extern struct ssb_bus ssb_bcm47xx;
+
+
 void plat_irq_dispatch(void)
 {
 	u32 cause;
@@ -53,3 +63,19 @@ void __init arch_init_irq(void)
 {
 	mips_cpu_irq_init();
 }
+
+int pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+	int res;
+
+	res = ssb_pcibios_map_irq(dev, slot, pin);
+	if (res < 0) {
+		printk(KERN_ALERT "PCI: Failed to map IRQ of device %s\n",
+		       dev->dev.bus_id);
+		return 0;
+	}
+	/* IRQ-0 and IRQ-1 are software interrupts. */
+	WARN_ON((res == 0) || (res == 1));
+
+	return res;
+}
--- a/arch/mips/bcm47xx/setup.c
+++ b/arch/mips/bcm47xx/setup.c
@@ -2,7 +2,7 @@
  *  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 Michael Buesch <mb@bu3sch.de>
+ *  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
@@ -25,23 +25,52 @@
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
+#include <linux/init.h>
 #include <linux/types.h>
-#include <linux/ssb/ssb.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/reboot.h>
 #include <asm/time.h>
-#include <bcm47xx.h>
+#include <asm/reboot.h>
 #include <asm/fw/cfe/cfe_api.h>
+#include <linux/pm.h>
+#include <linux/ssb/ssb.h>
+#include <linux/ssb/ssb_embedded.h>
+
+#include "include/nvram.h"
 
 struct ssb_bus ssb_bcm47xx;
 EXPORT_SYMBOL(ssb_bcm47xx);
 
+extern void bcm47xx_pci_init(void);
+
+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 */
-	ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 1);
+	if (ssb_watchdog_timer_set(&ssb_bcm47xx, 1))
+		printk(KERN_EMERG "SSB watchdog-triggered reboot failed!\n");
 	while (1)
 		cpu_relax();
 }
@@ -50,12 +79,13 @@ static void bcm47xx_machine_halt(void)
 {
 	/* Disable interrupts and watchdog and spin forever */
 	local_irq_disable();
-	ssb_chipco_watchdog_timer_set(&ssb_bcm47xx.chipco, 0);
+	if (ssb_watchdog_timer_set(&ssb_bcm47xx, 0))
+		printk(KERN_EMERG "Failed to disable SSB watchdog!\n");
 	while (1)
 		cpu_relax();
 }
 
-static void str2eaddr(char *str, char *dest)
+static void e_aton(char *str, char *dest)
 {
 	int i = 0;
 
@@ -72,52 +102,141 @@ static void str2eaddr(char *str, char *d
 	}
 }
 
-static int bcm47xx_get_invariants(struct ssb_bus *bus,
-				   struct ssb_init_invariants *iv)
+static void bcm47xx_fill_sprom(struct ssb_sprom *sprom)
 {
-	char buf[100];
+	char *s;
 
-	/* Fill boardinfo structure */
-	memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo));
+	memset(sprom, 0xFF, sizeof(struct ssb_sprom));
 
-	if (cfe_getenv("boardvendor", buf, sizeof(buf)) >= 0)
-		iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
-	if (cfe_getenv("boardtype", buf, sizeof(buf)) >= 0)
-		iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
-	if (cfe_getenv("boardrev", buf, sizeof(buf)) >= 0)
-		iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0);
-
-	/* Fill sprom structure */
-	memset(&(iv->sprom), 0, sizeof(struct ssb_sprom));
-	iv->sprom.revision = 3;
-
-	if (cfe_getenv("et0macaddr", buf, sizeof(buf)) >= 0)
-		str2eaddr(buf, iv->sprom.et0mac);
-	if (cfe_getenv("et1macaddr", buf, sizeof(buf)) >= 0)
-		str2eaddr(buf, iv->sprom.et1mac);
-	if (cfe_getenv("et0phyaddr", buf, sizeof(buf)) >= 0)
-		iv->sprom.et0phyaddr = simple_strtoul(buf, NULL, 10);
-	if (cfe_getenv("et1phyaddr", buf, sizeof(buf)) >= 0)
-		iv->sprom.et1phyaddr = simple_strtoul(buf, NULL, 10);
-	if (cfe_getenv("et0mdcport", buf, sizeof(buf)) >= 0)
-		iv->sprom.et0mdcport = simple_strtoul(buf, NULL, 10);
-	if (cfe_getenv("et1mdcport", buf, sizeof(buf)) >= 0)
-		iv->sprom.et1mdcport = simple_strtoul(buf, NULL, 10);
+	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 err;
+	int i, err;
+	char *s;
+	struct ssb_mipscore *mcore;
+
+	err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE, bcm47xx_get_invariants);
+	if (err) {
+		const char *msg = "Failed to initialize SSB bus (err %d)\n";
+		printk(msg, err); /* Make sure the message gets out of the box. */
+		panic(msg, err);
+	}
+	mcore = &ssb_bcm47xx.mipscore;
+
+	s = nvram_get("kernel_args");
+	if (s && !strncmp(s, "console=ttyS1", 13)) {
+		struct ssb_serial_port port;
+
+		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));
+	}
 
-	err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE,
-				      bcm47xx_get_invariants);
-	if (err)
-		panic("Failed to initialize SSB bus (err %d)\n", err);
+	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);
+	}
+	printk("Serial init done.\n");
 
 	_machine_restart = bcm47xx_machine_restart;
 	_machine_halt = bcm47xx_machine_halt;
 	pm_power_off = bcm47xx_machine_halt;
 }
 
+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);
--- a/arch/mips/bcm47xx/time.c
+++ b/arch/mips/bcm47xx/time.c
@@ -22,11 +22,17 @@
  *  675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-
 #include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/sched.h>
+#include <linux/serial_reg.h>
+#include <linux/interrupt.h>
 #include <linux/ssb/ssb.h>
+#include <asm/addrspace.h>
+#include <asm/io.h>
 #include <asm/time.h>
-#include <bcm47xx.h>
+
+extern struct ssb_bus ssb_bcm47xx;
 
 void __init plat_time_init(void)
 {
--- a/arch/mips/bcm47xx/nvram.c
+++ b/arch/mips/bcm47xx/nvram.c
@@ -24,10 +24,10 @@
 #include <asm/io.h>
 #include <asm/uaccess.h>
 
-#include <nvram.h>
+#include "include/nvram.h"
 
 #define MB * 1048576
-extern struct ssb_bus ssb;
+extern struct ssb_bus ssb_bcm47xx;
 
 static char nvram_buf[NVRAM_SPACE];
 static int cfe_env;
@@ -36,7 +36,7 @@ extern char *cfe_env_get(char *nv_buf, c
 /* Probe for NVRAM header */
 static void __init early_nvram_init(void)
 {
-	struct ssb_mipscore *mcore = &ssb.mipscore;
+	struct ssb_mipscore *mcore = &ssb_bcm47xx.mipscore;
 	struct nvram_header *header;
 	int i;
 	u32 base, lim, off;
--- a/arch/mips/bcm47xx/Makefile
+++ b/arch/mips/bcm47xx/Makefile
@@ -3,4 +3,4 @@
 # under Linux.
 #
 
-obj-y := gpio.o irq.o prom.o serial.o setup.o time.o wgt634u.o
+obj-y := cfe_env.o gpio.o irq.o nvram.o prom.o serial.o setup.o time.o wgt634u.o
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -54,6 +54,7 @@ config BCM47XX
 	select SSB_DRIVER_MIPS
 	select SSB_DRIVER_EXTIF
 	select SSB_DRIVER_PCICORE
+	select SSB_B43_PCI_BRIDGE
 	select SSB_PCICORE_HOSTMODE if PCI
 	select GENERIC_GPIO
 	select SYS_HAS_EARLY_PRINTK