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openwrt-xburst/target/linux/brcm47xx/patches-2.6.33/400-arch-bcm47xx.patch
hauke e8e50f9ded brcm47xx: add support for kernel 2.6.33 
Thanks to acoul and tripolar


git-svn-id: svn://svn.openwrt.org/openwrt/trunk@19955 3c298f89-4303-0410-b956-a3cf2f4a3e73
2010-03-02 21:16:18 +00:00

320 lines
9.4 KiB
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Raw Blame History

--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -62,6 +62,7 @@ config BCM47XX
select SSB_DRIVER_MIPS
select SSB_DRIVER_EXTIF
select SSB_EMBEDDED
+ select SSB_B43_PCI_BRIDGE if PCI
select SSB_PCICORE_HOSTMODE if PCI
select GENERIC_GPIO
select SYS_HAS_EARLY_PRINTK
--- 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/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;
--- 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/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
@@ -25,18 +25,28 @@
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
+#include <linux/init.h>
#include <linux/types.h>
#include <linux/ssb/ssb.h>
#include <linux/ssb/ssb_embedded.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/fw/cfe/cfe_api.h>
+#include <linux/pm.h>
+
+#include "include/nvram.h"
struct ssb_bus ssb_bcm47xx;
EXPORT_SYMBOL(ssb_bcm47xx);
+extern void bcm47xx_pci_init(void);
+
static void bcm47xx_machine_restart(char *command)
{
printk(KERN_ALERT "Please stand by while rebooting the system...\n");
@@ -56,7 +66,7 @@ static void bcm47xx_machine_halt(void)
cpu_relax();
}
-static void str2eaddr(char *str, char *dest)
+static void e_aton(char *str, char *dest)
{
int i = 0;
@@ -73,52 +83,142 @@ 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;
- 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);
+ 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));
+ }
+
+ 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.mapbase = (unsigned int) port->regs;
+ 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)
{
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