arch/mips/bcm47xx/setup.c - kernel/bruno - Git at Google

 /*
  *  Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
  *  Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
  *  Copyright (C) 2006 Michael Buesch <mb@bu3sch.de>
  *  Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org>
  *
  *  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/types.h>
 #include <linux/ssb/ssb.h>
 #include <linux/ssb/ssb_embedded.h>
 #include <asm/bootinfo.h>
 #include <asm/reboot.h>
 #include <asm/time.h>
 #include <bcm47xx.h>
 #include <asm/mach-bcm47xx/nvram.h>

 struct ssb_bus ssb_bcm47xx;
 EXPORT_SYMBOL(ssb_bcm47xx);

 static void bcm47xx_machine_restart(char *command)
 {
 	printk(KERN_ALERT "Please stand by while rebooting the system...\n");
 	local_irq_disable();
 	/* Set the watchdog timer to reset immediately */
 	ssb_watchdog_timer_set(&ssb_bcm47xx, 1);
 	while (1)
 		cpu_relax();
 }

 static void bcm47xx_machine_halt(void)
 {
 	/* Disable interrupts and watchdog and spin forever */
 	local_irq_disable();
 	ssb_watchdog_timer_set(&ssb_bcm47xx, 0);
 	while (1)
 		cpu_relax();
 }

 #define READ_FROM_NVRAM(_outvar, name, buf) \
 	if (nvram_getenv(name, buf, sizeof(buf)) >= 0)\
 		sprom->_outvar = simple_strtoul(buf, NULL, 0);

 static void bcm47xx_fill_sprom(struct ssb_sprom *sprom)
 {
 	char buf[100];
 	u32 boardflags;

 	memset(sprom, 0, sizeof(struct ssb_sprom));

 	sprom->revision = 1; /* Fallback: Old hardware does not define this. */
 	READ_FROM_NVRAM(revision, "sromrev", buf);
 	if (nvram_getenv("il0macaddr", buf, sizeof(buf)) >= 0)
 		nvram_parse_macaddr(buf, sprom->il0mac);
 	if (nvram_getenv("et0macaddr", buf, sizeof(buf)) >= 0)
 		nvram_parse_macaddr(buf, sprom->et0mac);
 	if (nvram_getenv("et1macaddr", buf, sizeof(buf)) >= 0)
 		nvram_parse_macaddr(buf, sprom->et1mac);
 	READ_FROM_NVRAM(et0phyaddr, "et0phyaddr", buf);
 	READ_FROM_NVRAM(et1phyaddr, "et1phyaddr", buf);
 	READ_FROM_NVRAM(et0mdcport, "et0mdcport", buf);
 	READ_FROM_NVRAM(et1mdcport, "et1mdcport", buf);
 	READ_FROM_NVRAM(board_rev, "boardrev", buf);
 	READ_FROM_NVRAM(country_code, "ccode", buf);
 	READ_FROM_NVRAM(ant_available_a, "aa5g", buf);
 	READ_FROM_NVRAM(ant_available_bg, "aa2g", buf);
 	READ_FROM_NVRAM(pa0b0, "pa0b0", buf);
 	READ_FROM_NVRAM(pa0b1, "pa0b1", buf);
 	READ_FROM_NVRAM(pa0b2, "pa0b2", buf);
 	READ_FROM_NVRAM(pa1b0, "pa1b0", buf);
 	READ_FROM_NVRAM(pa1b1, "pa1b1", buf);
 	READ_FROM_NVRAM(pa1b2, "pa1b2", buf);
 	READ_FROM_NVRAM(pa1lob0, "pa1lob0", buf);
 	READ_FROM_NVRAM(pa1lob2, "pa1lob1", buf);
 	READ_FROM_NVRAM(pa1lob1, "pa1lob2", buf);
 	READ_FROM_NVRAM(pa1hib0, "pa1hib0", buf);
 	READ_FROM_NVRAM(pa1hib2, "pa1hib1", buf);
 	READ_FROM_NVRAM(pa1hib1, "pa1hib2", buf);
 	READ_FROM_NVRAM(gpio0, "wl0gpio0", buf);
 	READ_FROM_NVRAM(gpio1, "wl0gpio1", buf);
 	READ_FROM_NVRAM(gpio2, "wl0gpio2", buf);
 	READ_FROM_NVRAM(gpio3, "wl0gpio3", buf);
 	READ_FROM_NVRAM(maxpwr_bg, "pa0maxpwr", buf);
 	READ_FROM_NVRAM(maxpwr_al, "pa1lomaxpwr", buf);
 	READ_FROM_NVRAM(maxpwr_a, "pa1maxpwr", buf);
 	READ_FROM_NVRAM(maxpwr_ah, "pa1himaxpwr", buf);
 	READ_FROM_NVRAM(itssi_a, "pa1itssit", buf);
 	READ_FROM_NVRAM(itssi_bg, "pa0itssit", buf);
 	READ_FROM_NVRAM(tri2g, "tri2g", buf);
 	READ_FROM_NVRAM(tri5gl, "tri5gl", buf);
 	READ_FROM_NVRAM(tri5g, "tri5g", buf);
 	READ_FROM_NVRAM(tri5gh, "tri5gh", buf);
 	READ_FROM_NVRAM(rxpo2g, "rxpo2g", buf);
 	READ_FROM_NVRAM(rxpo5g, "rxpo5g", buf);
 	READ_FROM_NVRAM(rssisav2g, "rssisav2g", buf);
 	READ_FROM_NVRAM(rssismc2g, "rssismc2g", buf);
 	READ_FROM_NVRAM(rssismf2g, "rssismf2g", buf);
 	READ_FROM_NVRAM(bxa2g, "bxa2g", buf);
 	READ_FROM_NVRAM(rssisav5g, "rssisav5g", buf);
 	READ_FROM_NVRAM(rssismc5g, "rssismc5g", buf);
 	READ_FROM_NVRAM(rssismf5g, "rssismf5g", buf);
 	READ_FROM_NVRAM(bxa5g, "bxa5g", buf);
 	READ_FROM_NVRAM(cck2gpo, "cck2gpo", buf);
 	READ_FROM_NVRAM(ofdm2gpo, "ofdm2gpo", buf);
 	READ_FROM_NVRAM(ofdm5glpo, "ofdm5glpo", buf);
 	READ_FROM_NVRAM(ofdm5gpo, "ofdm5gpo", buf);
 	READ_FROM_NVRAM(ofdm5ghpo, "ofdm5ghpo", buf);

 	if (nvram_getenv("boardflags", buf, sizeof(buf)) >= 0) {
 		boardflags = simple_strtoul(buf, NULL, 0);
 		if (boardflags) {
 			sprom->boardflags_lo = (boardflags & 0x0000FFFFU);
 			sprom->boardflags_hi = (boardflags & 0xFFFF0000U) >> 16;
 		}
 	}
 	if (nvram_getenv("boardflags2", buf, sizeof(buf)) >= 0) {
 		boardflags = simple_strtoul(buf, NULL, 0);
 		if (boardflags) {
 			sprom->boardflags2_lo = (boardflags & 0x0000FFFFU);
 			sprom->boardflags2_hi = (boardflags & 0xFFFF0000U) >> 16;
 		}
 	}
 }

 static int bcm47xx_get_invariants(struct ssb_bus *bus,
 				   struct ssb_init_invariants *iv)
 {
 	char buf[20];

 	/* Fill boardinfo structure */
 	memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo));

 	if (nvram_getenv("boardvendor", buf, sizeof(buf)) >= 0)
 		iv->boardinfo.vendor = (u16)simple_strtoul(buf, NULL, 0);
 	else
 		iv->boardinfo.vendor = SSB_BOARDVENDOR_BCM;
 	if (nvram_getenv("boardtype", buf, sizeof(buf)) >= 0)
 		iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
 	if (nvram_getenv("boardrev", buf, sizeof(buf)) >= 0)
 		iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0);

 	bcm47xx_fill_sprom(&iv->sprom);

 	if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
 		iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10);

 	return 0;
 }

 void __init plat_mem_setup(void)
 {
 	int err;
 	char buf[100];
 	struct ssb_mipscore *mcore;

 	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);

 	mcore = &ssb_bcm47xx.mipscore;
 	if (nvram_getenv("kernel_args", buf, sizeof(buf)) >= 0) {
 		if (strstr(buf, "console=ttyS1")) {
 			struct ssb_serial_port port;

 			printk(KERN_DEBUG "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));
 		}
 	}

 	_machine_restart = bcm47xx_machine_restart;
 	_machine_halt = bcm47xx_machine_halt;
 	pm_power_off = bcm47xx_machine_halt;
 }
	/*
	* Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
	* Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
	* Copyright (C) 2006 Michael Buesch <mb@bu3sch.de>
	* Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org>
	*
	* 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/types.h>
	#include <linux/ssb/ssb.h>
	#include <linux/ssb/ssb_embedded.h>
	#include <asm/bootinfo.h>
	#include <asm/reboot.h>
	#include <asm/time.h>
	#include <bcm47xx.h>
	#include <asm/mach-bcm47xx/nvram.h>

	struct ssb_bus ssb_bcm47xx;
	EXPORT_SYMBOL(ssb_bcm47xx);

	static void bcm47xx_machine_restart(char *command)
	{
	printk(KERN_ALERT "Please stand by while rebooting the system...\n");
	local_irq_disable();
	/* Set the watchdog timer to reset immediately */
	ssb_watchdog_timer_set(&ssb_bcm47xx, 1);
	while (1)
	cpu_relax();
	}

	static void bcm47xx_machine_halt(void)
	{
	/* Disable interrupts and watchdog and spin forever */
	local_irq_disable();
	ssb_watchdog_timer_set(&ssb_bcm47xx, 0);
	while (1)
	cpu_relax();
	}

	#define READ_FROM_NVRAM(_outvar, name, buf) \
	if (nvram_getenv(name, buf, sizeof(buf)) >= 0)\
	sprom->_outvar = simple_strtoul(buf, NULL, 0);

	static void bcm47xx_fill_sprom(struct ssb_sprom *sprom)
	{
	char buf[100];
	u32 boardflags;

	memset(sprom, 0, sizeof(struct ssb_sprom));

	sprom->revision = 1; /* Fallback: Old hardware does not define this. */
	READ_FROM_NVRAM(revision, "sromrev", buf);
	if (nvram_getenv("il0macaddr", buf, sizeof(buf)) >= 0)
	nvram_parse_macaddr(buf, sprom->il0mac);
	if (nvram_getenv("et0macaddr", buf, sizeof(buf)) >= 0)
	nvram_parse_macaddr(buf, sprom->et0mac);
	if (nvram_getenv("et1macaddr", buf, sizeof(buf)) >= 0)
	nvram_parse_macaddr(buf, sprom->et1mac);
	READ_FROM_NVRAM(et0phyaddr, "et0phyaddr", buf);
	READ_FROM_NVRAM(et1phyaddr, "et1phyaddr", buf);
	READ_FROM_NVRAM(et0mdcport, "et0mdcport", buf);
	READ_FROM_NVRAM(et1mdcport, "et1mdcport", buf);
	READ_FROM_NVRAM(board_rev, "boardrev", buf);
	READ_FROM_NVRAM(country_code, "ccode", buf);
	READ_FROM_NVRAM(ant_available_a, "aa5g", buf);
	READ_FROM_NVRAM(ant_available_bg, "aa2g", buf);
	READ_FROM_NVRAM(pa0b0, "pa0b0", buf);
	READ_FROM_NVRAM(pa0b1, "pa0b1", buf);
	READ_FROM_NVRAM(pa0b2, "pa0b2", buf);
	READ_FROM_NVRAM(pa1b0, "pa1b0", buf);
	READ_FROM_NVRAM(pa1b1, "pa1b1", buf);
	READ_FROM_NVRAM(pa1b2, "pa1b2", buf);
	READ_FROM_NVRAM(pa1lob0, "pa1lob0", buf);
	READ_FROM_NVRAM(pa1lob2, "pa1lob1", buf);
	READ_FROM_NVRAM(pa1lob1, "pa1lob2", buf);
	READ_FROM_NVRAM(pa1hib0, "pa1hib0", buf);
	READ_FROM_NVRAM(pa1hib2, "pa1hib1", buf);
	READ_FROM_NVRAM(pa1hib1, "pa1hib2", buf);
	READ_FROM_NVRAM(gpio0, "wl0gpio0", buf);
	READ_FROM_NVRAM(gpio1, "wl0gpio1", buf);
	READ_FROM_NVRAM(gpio2, "wl0gpio2", buf);
	READ_FROM_NVRAM(gpio3, "wl0gpio3", buf);
	READ_FROM_NVRAM(maxpwr_bg, "pa0maxpwr", buf);
	READ_FROM_NVRAM(maxpwr_al, "pa1lomaxpwr", buf);
	READ_FROM_NVRAM(maxpwr_a, "pa1maxpwr", buf);
	READ_FROM_NVRAM(maxpwr_ah, "pa1himaxpwr", buf);
	READ_FROM_NVRAM(itssi_a, "pa1itssit", buf);
	READ_FROM_NVRAM(itssi_bg, "pa0itssit", buf);
	READ_FROM_NVRAM(tri2g, "tri2g", buf);
	READ_FROM_NVRAM(tri5gl, "tri5gl", buf);
	READ_FROM_NVRAM(tri5g, "tri5g", buf);
	READ_FROM_NVRAM(tri5gh, "tri5gh", buf);
	READ_FROM_NVRAM(rxpo2g, "rxpo2g", buf);
	READ_FROM_NVRAM(rxpo5g, "rxpo5g", buf);
	READ_FROM_NVRAM(rssisav2g, "rssisav2g", buf);
	READ_FROM_NVRAM(rssismc2g, "rssismc2g", buf);
	READ_FROM_NVRAM(rssismf2g, "rssismf2g", buf);
	READ_FROM_NVRAM(bxa2g, "bxa2g", buf);
	READ_FROM_NVRAM(rssisav5g, "rssisav5g", buf);
	READ_FROM_NVRAM(rssismc5g, "rssismc5g", buf);
	READ_FROM_NVRAM(rssismf5g, "rssismf5g", buf);
	READ_FROM_NVRAM(bxa5g, "bxa5g", buf);
	READ_FROM_NVRAM(cck2gpo, "cck2gpo", buf);
	READ_FROM_NVRAM(ofdm2gpo, "ofdm2gpo", buf);
	READ_FROM_NVRAM(ofdm5glpo, "ofdm5glpo", buf);
	READ_FROM_NVRAM(ofdm5gpo, "ofdm5gpo", buf);
	READ_FROM_NVRAM(ofdm5ghpo, "ofdm5ghpo", buf);

	if (nvram_getenv("boardflags", buf, sizeof(buf)) >= 0) {
	boardflags = simple_strtoul(buf, NULL, 0);
	if (boardflags) {
	sprom->boardflags_lo = (boardflags & 0x0000FFFFU);
	sprom->boardflags_hi = (boardflags & 0xFFFF0000U) >> 16;
	}
	}
	if (nvram_getenv("boardflags2", buf, sizeof(buf)) >= 0) {
	boardflags = simple_strtoul(buf, NULL, 0);
	if (boardflags) {
	sprom->boardflags2_lo = (boardflags & 0x0000FFFFU);
	sprom->boardflags2_hi = (boardflags & 0xFFFF0000U) >> 16;
	}
	}
	}

	static int bcm47xx_get_invariants(struct ssb_bus *bus,
	struct ssb_init_invariants *iv)
	{
	char buf[20];

	/* Fill boardinfo structure */
	memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo));

	if (nvram_getenv("boardvendor", buf, sizeof(buf)) >= 0)
	iv->boardinfo.vendor = (u16)simple_strtoul(buf, NULL, 0);
	else
	iv->boardinfo.vendor = SSB_BOARDVENDOR_BCM;
	if (nvram_getenv("boardtype", buf, sizeof(buf)) >= 0)
	iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
	if (nvram_getenv("boardrev", buf, sizeof(buf)) >= 0)
	iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0);

	bcm47xx_fill_sprom(&iv->sprom);

	if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
	iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10);

	return 0;
	}

	void __init plat_mem_setup(void)
	{
	int err;
	char buf[100];
	struct ssb_mipscore *mcore;

	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);

	mcore = &ssb_bcm47xx.mipscore;
	if (nvram_getenv("kernel_args", buf, sizeof(buf)) >= 0) {
	if (strstr(buf, "console=ttyS1")) {
	struct ssb_serial_port port;

	printk(KERN_DEBUG "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));
	}
	}

	_machine_restart = bcm47xx_machine_restart;
	_machine_halt = bcm47xx_machine_halt;
	pm_power_off = bcm47xx_machine_halt;
	}