Linux Audio

Check our new training course

Linux BSP upgrade and security maintenance

Need help to get security updates for your Linux BSP?
Loading...
v3.1
  1/*
  2 *  Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
  3 *  Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
  4 *  Copyright (C) 2006 Michael Buesch <m@bues.ch>
  5 *  Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org>
  6 *  Copyright (C) 2010-2011 Hauke Mehrtens <hauke@hauke-m.de>
  7 *
  8 *  This program is free software; you can redistribute  it and/or modify it
  9 *  under  the terms of  the GNU General  Public License as published by the
 10 *  Free Software Foundation;  either version 2 of the  License, or (at your
 11 *  option) any later version.
 12 *
 13 *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
 14 *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
 15 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
 16 *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
 17 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 18 *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
 19 *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 20 *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
 21 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 22 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 23 *
 24 *  You should have received a copy of the  GNU General Public License along
 25 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 26 *  675 Mass Ave, Cambridge, MA 02139, USA.
 27 */
 28
 
 
 
 
 29#include <linux/types.h>
 
 
 
 30#include <linux/ssb/ssb.h>
 31#include <linux/ssb/ssb_embedded.h>
 
 32#include <asm/bootinfo.h>
 
 
 33#include <asm/reboot.h>
 34#include <asm/time.h>
 35#include <bcm47xx.h>
 36#include <asm/mach-bcm47xx/nvram.h>
 
 
 
 37
 38struct ssb_bus ssb_bcm47xx;
 39EXPORT_SYMBOL(ssb_bcm47xx);
 40
 41static void bcm47xx_machine_restart(char *command)
 42{
 43	printk(KERN_ALERT "Please stand by while rebooting the system...\n");
 44	local_irq_disable();
 45	/* Set the watchdog timer to reset immediately */
 46	ssb_watchdog_timer_set(&ssb_bcm47xx, 1);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 47	while (1)
 48		cpu_relax();
 49}
 50
 51static void bcm47xx_machine_halt(void)
 52{
 53	/* Disable interrupts and watchdog and spin forever */
 54	local_irq_disable();
 55	ssb_watchdog_timer_set(&ssb_bcm47xx, 0);
 
 
 
 
 
 
 
 
 
 
 
 56	while (1)
 57		cpu_relax();
 58}
 59
 60#define READ_FROM_NVRAM(_outvar, name, buf) \
 61	if (nvram_getprefix(prefix, name, buf, sizeof(buf)) >= 0)\
 62		sprom->_outvar = simple_strtoul(buf, NULL, 0);
 63
 64#define READ_FROM_NVRAM2(_outvar, name1, name2, buf) \
 65	if (nvram_getprefix(prefix, name1, buf, sizeof(buf)) >= 0 || \
 66	    nvram_getprefix(prefix, name2, buf, sizeof(buf)) >= 0)\
 67		sprom->_outvar = simple_strtoul(buf, NULL, 0);
 68
 69static inline int nvram_getprefix(const char *prefix, char *name,
 70				  char *buf, int len)
 71{
 72	if (prefix) {
 73		char key[100];
 
 74
 75		snprintf(key, sizeof(key), "%s%s", prefix, name);
 76		return nvram_getenv(key, buf, len);
 77	}
 78
 79	return nvram_getenv(name, buf, len);
 80}
 
 
 81
 82static u32 nvram_getu32(const char *name, char *buf, int len)
 83{
 84	int rv;
 85	char key[100];
 86	u16 var0, var1;
 87
 88	snprintf(key, sizeof(key), "%s0", name);
 89	rv = nvram_getenv(key, buf, len);
 90	/* return 0 here so this looks like unset */
 91	if (rv < 0)
 92		return 0;
 93	var0 = simple_strtoul(buf, NULL, 0);
 94
 95	snprintf(key, sizeof(key), "%s1", name);
 96	rv = nvram_getenv(key, buf, len);
 97	if (rv < 0)
 98		return 0;
 99	var1 = simple_strtoul(buf, NULL, 0);
100	return var1 << 16 | var0;
101}
 
102
103static void bcm47xx_fill_sprom(struct ssb_sprom *sprom, const char *prefix)
 
104{
105	char buf[100];
106	u32 boardflags;
107
108	memset(sprom, 0, sizeof(struct ssb_sprom));
109
110	sprom->revision = 1; /* Fallback: Old hardware does not define this. */
111	READ_FROM_NVRAM(revision, "sromrev", buf);
112	if (nvram_getprefix(prefix, "il0macaddr", buf, sizeof(buf)) >= 0 ||
113	    nvram_getprefix(prefix, "macaddr", buf, sizeof(buf)) >= 0)
114		nvram_parse_macaddr(buf, sprom->il0mac);
115	if (nvram_getprefix(prefix, "et0macaddr", buf, sizeof(buf)) >= 0)
116		nvram_parse_macaddr(buf, sprom->et0mac);
117	if (nvram_getprefix(prefix, "et1macaddr", buf, sizeof(buf)) >= 0)
118		nvram_parse_macaddr(buf, sprom->et1mac);
119	READ_FROM_NVRAM(et0phyaddr, "et0phyaddr", buf);
120	READ_FROM_NVRAM(et1phyaddr, "et1phyaddr", buf);
121	READ_FROM_NVRAM(et0mdcport, "et0mdcport", buf);
122	READ_FROM_NVRAM(et1mdcport, "et1mdcport", buf);
123	READ_FROM_NVRAM(board_rev, "boardrev", buf);
124	READ_FROM_NVRAM(country_code, "ccode", buf);
125	READ_FROM_NVRAM(ant_available_a, "aa5g", buf);
126	READ_FROM_NVRAM(ant_available_bg, "aa2g", buf);
127	READ_FROM_NVRAM(pa0b0, "pa0b0", buf);
128	READ_FROM_NVRAM(pa0b1, "pa0b1", buf);
129	READ_FROM_NVRAM(pa0b2, "pa0b2", buf);
130	READ_FROM_NVRAM(pa1b0, "pa1b0", buf);
131	READ_FROM_NVRAM(pa1b1, "pa1b1", buf);
132	READ_FROM_NVRAM(pa1b2, "pa1b2", buf);
133	READ_FROM_NVRAM(pa1lob0, "pa1lob0", buf);
134	READ_FROM_NVRAM(pa1lob2, "pa1lob1", buf);
135	READ_FROM_NVRAM(pa1lob1, "pa1lob2", buf);
136	READ_FROM_NVRAM(pa1hib0, "pa1hib0", buf);
137	READ_FROM_NVRAM(pa1hib2, "pa1hib1", buf);
138	READ_FROM_NVRAM(pa1hib1, "pa1hib2", buf);
139	READ_FROM_NVRAM2(gpio0, "ledbh0", "wl0gpio0", buf);
140	READ_FROM_NVRAM2(gpio1, "ledbh1", "wl0gpio1", buf);
141	READ_FROM_NVRAM2(gpio2, "ledbh2", "wl0gpio2", buf);
142	READ_FROM_NVRAM2(gpio3, "ledbh3", "wl0gpio3", buf);
143	READ_FROM_NVRAM2(maxpwr_bg, "maxp2ga0", "pa0maxpwr", buf);
144	READ_FROM_NVRAM2(maxpwr_al, "maxp5gla0", "pa1lomaxpwr", buf);
145	READ_FROM_NVRAM2(maxpwr_a, "maxp5ga0", "pa1maxpwr", buf);
146	READ_FROM_NVRAM2(maxpwr_ah, "maxp5gha0", "pa1himaxpwr", buf);
147	READ_FROM_NVRAM2(itssi_bg, "itt5ga0", "pa0itssit", buf);
148	READ_FROM_NVRAM2(itssi_a, "itt2ga0", "pa1itssit", buf);
149	READ_FROM_NVRAM(tri2g, "tri2g", buf);
150	READ_FROM_NVRAM(tri5gl, "tri5gl", buf);
151	READ_FROM_NVRAM(tri5g, "tri5g", buf);
152	READ_FROM_NVRAM(tri5gh, "tri5gh", buf);
153	READ_FROM_NVRAM(txpid2g[0], "txpid2ga0", buf);
154	READ_FROM_NVRAM(txpid2g[1], "txpid2ga1", buf);
155	READ_FROM_NVRAM(txpid2g[2], "txpid2ga2", buf);
156	READ_FROM_NVRAM(txpid2g[3], "txpid2ga3", buf);
157	READ_FROM_NVRAM(txpid5g[0], "txpid5ga0", buf);
158	READ_FROM_NVRAM(txpid5g[1], "txpid5ga1", buf);
159	READ_FROM_NVRAM(txpid5g[2], "txpid5ga2", buf);
160	READ_FROM_NVRAM(txpid5g[3], "txpid5ga3", buf);
161	READ_FROM_NVRAM(txpid5gl[0], "txpid5gla0", buf);
162	READ_FROM_NVRAM(txpid5gl[1], "txpid5gla1", buf);
163	READ_FROM_NVRAM(txpid5gl[2], "txpid5gla2", buf);
164	READ_FROM_NVRAM(txpid5gl[3], "txpid5gla3", buf);
165	READ_FROM_NVRAM(txpid5gh[0], "txpid5gha0", buf);
166	READ_FROM_NVRAM(txpid5gh[1], "txpid5gha1", buf);
167	READ_FROM_NVRAM(txpid5gh[2], "txpid5gha2", buf);
168	READ_FROM_NVRAM(txpid5gh[3], "txpid5gha3", buf);
169	READ_FROM_NVRAM(rxpo2g, "rxpo2g", buf);
170	READ_FROM_NVRAM(rxpo5g, "rxpo5g", buf);
171	READ_FROM_NVRAM(rssisav2g, "rssisav2g", buf);
172	READ_FROM_NVRAM(rssismc2g, "rssismc2g", buf);
173	READ_FROM_NVRAM(rssismf2g, "rssismf2g", buf);
174	READ_FROM_NVRAM(bxa2g, "bxa2g", buf);
175	READ_FROM_NVRAM(rssisav5g, "rssisav5g", buf);
176	READ_FROM_NVRAM(rssismc5g, "rssismc5g", buf);
177	READ_FROM_NVRAM(rssismf5g, "rssismf5g", buf);
178	READ_FROM_NVRAM(bxa5g, "bxa5g", buf);
179	READ_FROM_NVRAM(cck2gpo, "cck2gpo", buf);
180
181	sprom->ofdm2gpo = nvram_getu32("ofdm2gpo", buf, sizeof(buf));
182	sprom->ofdm5glpo = nvram_getu32("ofdm5glpo", buf, sizeof(buf));
183	sprom->ofdm5gpo = nvram_getu32("ofdm5gpo", buf, sizeof(buf));
184	sprom->ofdm5ghpo = nvram_getu32("ofdm5ghpo", buf, sizeof(buf));
185
186	READ_FROM_NVRAM(antenna_gain.ghz24.a0, "ag0", buf);
187	READ_FROM_NVRAM(antenna_gain.ghz24.a1, "ag1", buf);
188	READ_FROM_NVRAM(antenna_gain.ghz24.a2, "ag2", buf);
189	READ_FROM_NVRAM(antenna_gain.ghz24.a3, "ag3", buf);
190	memcpy(&sprom->antenna_gain.ghz5, &sprom->antenna_gain.ghz24,
191	       sizeof(sprom->antenna_gain.ghz5));
192
193	if (nvram_getprefix(prefix, "boardflags", buf, sizeof(buf)) >= 0) {
194		boardflags = simple_strtoul(buf, NULL, 0);
195		if (boardflags) {
196			sprom->boardflags_lo = (boardflags & 0x0000FFFFU);
197			sprom->boardflags_hi = (boardflags & 0xFFFF0000U) >> 16;
198		}
199	}
200	if (nvram_getprefix(prefix, "boardflags2", buf, sizeof(buf)) >= 0) {
201		boardflags = simple_strtoul(buf, NULL, 0);
202		if (boardflags) {
203			sprom->boardflags2_lo = (boardflags & 0x0000FFFFU);
204			sprom->boardflags2_hi = (boardflags & 0xFFFF0000U) >> 16;
205		}
206	}
207}
 
208
209int bcm47xx_get_sprom(struct ssb_bus *bus, struct ssb_sprom *out)
 
 
 
 
 
210{
211	char prefix[10];
212
213	if (bus->bustype == SSB_BUSTYPE_PCI) {
214		snprintf(prefix, sizeof(prefix), "pci/%u/%u/",
215			 bus->host_pci->bus->number + 1,
216			 PCI_SLOT(bus->host_pci->devfn));
217		bcm47xx_fill_sprom(out, prefix);
218		return 0;
 
 
 
 
219	} else {
220		printk(KERN_WARNING "bcm47xx: unable to fill SPROM for given bustype.\n");
221		return -EINVAL;
 
 
 
 
 
222	}
 
 
 
 
223}
224
225static int bcm47xx_get_invariants(struct ssb_bus *bus,
226				   struct ssb_init_invariants *iv)
227{
228	char buf[20];
229
230	/* Fill boardinfo structure */
231	memset(&(iv->boardinfo), 0 , sizeof(struct ssb_boardinfo));
232
233	if (nvram_getenv("boardvendor", buf, sizeof(buf)) >= 0)
234		iv->boardinfo.vendor = (u16)simple_strtoul(buf, NULL, 0);
235	else
236		iv->boardinfo.vendor = SSB_BOARDVENDOR_BCM;
237	if (nvram_getenv("boardtype", buf, sizeof(buf)) >= 0)
238		iv->boardinfo.type = (u16)simple_strtoul(buf, NULL, 0);
239	if (nvram_getenv("boardrev", buf, sizeof(buf)) >= 0)
240		iv->boardinfo.rev = (u16)simple_strtoul(buf, NULL, 0);
241
242	bcm47xx_fill_sprom(&iv->sprom, NULL);
 
 
 
 
 
 
 
 
 
243
244	if (nvram_getenv("cardbus", buf, sizeof(buf)) >= 0)
245		iv->has_cardbus_slot = !!simple_strtoul(buf, NULL, 10);
 
246
247	return 0;
248}
 
249
250void __init plat_mem_setup(void)
 
 
 
 
251{
252	int err;
253	char buf[100];
254	struct ssb_mipscore *mcore;
 
 
 
 
 
 
 
 
 
 
255
256	err = ssb_arch_register_fallback_sprom(&bcm47xx_get_sprom);
257	if (err)
258		printk(KERN_WARNING "bcm47xx: someone else already registered"
259			" a ssb SPROM callback handler (err %d)\n", err);
260
261	err = ssb_bus_ssbbus_register(&ssb_bcm47xx, SSB_ENUM_BASE,
262				      bcm47xx_get_invariants);
263	if (err)
264		panic("Failed to initialize SSB bus (err %d)\n", err);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
265
266	mcore = &ssb_bcm47xx.mipscore;
267	if (nvram_getenv("kernel_args", buf, sizeof(buf)) >= 0) {
268		if (strstr(buf, "console=ttyS1")) {
269			struct ssb_serial_port port;
 
270
271			printk(KERN_DEBUG "Swapping serial ports!\n");
272			/* swap serial ports */
273			memcpy(&port, &mcore->serial_ports[0], sizeof(port));
274			memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1],
275			       sizeof(port));
276			memcpy(&mcore->serial_ports[1], &port, sizeof(port));
277		}
 
 
 
 
 
 
 
 
278	}
 
 
 
279
280	_machine_restart = bcm47xx_machine_restart;
281	_machine_halt = bcm47xx_machine_halt;
282	pm_power_off = bcm47xx_machine_halt;
283}
v5.4
  1/*
  2 *  Copyright (C) 2004 Florian Schirmer <jolt@tuxbox.org>
  3 *  Copyright (C) 2006 Felix Fietkau <nbd@openwrt.org>
  4 *  Copyright (C) 2006 Michael Buesch <m@bues.ch>
  5 *  Copyright (C) 2010 Waldemar Brodkorb <wbx@openadk.org>
  6 *  Copyright (C) 2010-2012 Hauke Mehrtens <hauke@hauke-m.de>
  7 *
  8 *  This program is free software; you can redistribute  it and/or modify it
  9 *  under  the terms of  the GNU General  Public License as published by the
 10 *  Free Software Foundation;  either version 2 of the  License, or (at your
 11 *  option) any later version.
 12 *
 13 *  THIS  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
 14 *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
 15 *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
 16 *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
 17 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 18 *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
 19 *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
 20 *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
 21 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 22 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 23 *
 24 *  You should have received a copy of the  GNU General Public License along
 25 *  with this program; if not, write  to the Free Software Foundation, Inc.,
 26 *  675 Mass Ave, Cambridge, MA 02139, USA.
 27 */
 28
 29#include "bcm47xx_private.h"
 30
 31#include <linux/bcm47xx_sprom.h>
 32#include <linux/export.h>
 33#include <linux/types.h>
 34#include <linux/ethtool.h>
 35#include <linux/phy.h>
 36#include <linux/phy_fixed.h>
 37#include <linux/ssb/ssb.h>
 38#include <linux/ssb/ssb_embedded.h>
 39#include <linux/bcma/bcma_soc.h>
 40#include <asm/bootinfo.h>
 41#include <asm/idle.h>
 42#include <asm/prom.h>
 43#include <asm/reboot.h>
 44#include <asm/time.h>
 45#include <bcm47xx.h>
 46#include <bcm47xx_board.h>
 47
 48union bcm47xx_bus bcm47xx_bus;
 49EXPORT_SYMBOL(bcm47xx_bus);
 50
 51enum bcm47xx_bus_type bcm47xx_bus_type;
 52EXPORT_SYMBOL(bcm47xx_bus_type);
 53
 54static void bcm47xx_machine_restart(char *command)
 55{
 56	pr_alert("Please stand by while rebooting the system...\n");
 57	local_irq_disable();
 58	/* Set the watchdog timer to reset immediately */
 59	switch (bcm47xx_bus_type) {
 60#ifdef CONFIG_BCM47XX_SSB
 61	case BCM47XX_BUS_TYPE_SSB:
 62		if (bcm47xx_bus.ssb.chip_id == 0x4785)
 63			write_c0_diag4(1 << 22);
 64		ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 1);
 65		if (bcm47xx_bus.ssb.chip_id == 0x4785) {
 66			__asm__ __volatile__(
 67				".set\tmips3\n\t"
 68				"sync\n\t"
 69				"wait\n\t"
 70				".set\tmips0");
 71		}
 72		break;
 73#endif
 74#ifdef CONFIG_BCM47XX_BCMA
 75	case BCM47XX_BUS_TYPE_BCMA:
 76		bcma_chipco_watchdog_timer_set(&bcm47xx_bus.bcma.bus.drv_cc, 1);
 77		break;
 78#endif
 79	}
 80	while (1)
 81		cpu_relax();
 82}
 83
 84static void bcm47xx_machine_halt(void)
 85{
 86	/* Disable interrupts and watchdog and spin forever */
 87	local_irq_disable();
 88	switch (bcm47xx_bus_type) {
 89#ifdef CONFIG_BCM47XX_SSB
 90	case BCM47XX_BUS_TYPE_SSB:
 91		ssb_watchdog_timer_set(&bcm47xx_bus.ssb, 0);
 92		break;
 93#endif
 94#ifdef CONFIG_BCM47XX_BCMA
 95	case BCM47XX_BUS_TYPE_BCMA:
 96		bcma_chipco_watchdog_timer_set(&bcm47xx_bus.bcma.bus.drv_cc, 0);
 97		break;
 98#endif
 99	}
100	while (1)
101		cpu_relax();
102}
103
104#ifdef CONFIG_BCM47XX_SSB
105static void __init bcm47xx_register_ssb(void)
 
 
 
 
 
 
 
 
 
106{
107	int err;
108	char buf[100];
109	struct ssb_mipscore *mcore;
110
111	err = ssb_bus_host_soc_register(&bcm47xx_bus.ssb, SSB_ENUM_BASE);
112	if (err)
113		panic("Failed to initialize SSB bus (err %d)", err);
114
115	mcore = &bcm47xx_bus.ssb.mipscore;
116	if (bcm47xx_nvram_getenv("kernel_args", buf, sizeof(buf)) >= 0) {
117		if (strstr(buf, "console=ttyS1")) {
118			struct ssb_serial_port port;
119
120			pr_debug("Swapping serial ports!\n");
121			/* swap serial ports */
122			memcpy(&port, &mcore->serial_ports[0], sizeof(port));
123			memcpy(&mcore->serial_ports[0], &mcore->serial_ports[1],
124			       sizeof(port));
125			memcpy(&mcore->serial_ports[1], &port, sizeof(port));
126		}
127	}
 
 
 
 
 
 
 
 
 
 
 
128}
129#endif
130
131#ifdef CONFIG_BCM47XX_BCMA
132static void __init bcm47xx_register_bcma(void)
133{
134	int err;
 
 
 
135
136	err = bcma_host_soc_register(&bcm47xx_bus.bcma);
137	if (err)
138		panic("Failed to register BCMA bus (err %d)", err);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
139}
140#endif
141
142/*
143 * Memory setup is done in the early part of MIPS's arch_mem_init. It's supposed
144 * to detect memory and record it with add_memory_region.
145 * Any extra initializaion performed here must not use kmalloc or bootmem.
146 */
147void __init plat_mem_setup(void)
148{
149	struct cpuinfo_mips *c = &current_cpu_data;
150
151	if ((c->cputype == CPU_74K) || (c->cputype == CPU_1074K)) {
152		pr_info("Using bcma bus\n");
153#ifdef CONFIG_BCM47XX_BCMA
154		bcm47xx_bus_type = BCM47XX_BUS_TYPE_BCMA;
155		bcm47xx_register_bcma();
156		bcm47xx_set_system_type(bcm47xx_bus.bcma.bus.chipinfo.id);
157#ifdef CONFIG_HIGHMEM
158		bcm47xx_prom_highmem_init();
159#endif
160#endif
161	} else {
162		pr_info("Using ssb bus\n");
163#ifdef CONFIG_BCM47XX_SSB
164		bcm47xx_bus_type = BCM47XX_BUS_TYPE_SSB;
165		bcm47xx_sprom_register_fallbacks();
166		bcm47xx_register_ssb();
167		bcm47xx_set_system_type(bcm47xx_bus.ssb.chip_id);
168#endif
169	}
170
171	_machine_restart = bcm47xx_machine_restart;
172	_machine_halt = bcm47xx_machine_halt;
173	pm_power_off = bcm47xx_machine_halt;
174}
175
176#ifdef CONFIG_BCM47XX_BCMA
177static struct device * __init bcm47xx_setup_device(void)
178{
179	struct device *dev;
180	int err;
 
 
 
 
 
 
 
 
 
 
 
181
182	dev = kzalloc(sizeof(*dev), GFP_KERNEL);
183	if (!dev)
184		return NULL;
185
186	err = dev_set_name(dev, "bcm47xx_soc");
187	if (err) {
188		pr_err("Failed to set SoC device name: %d\n", err);
189		kfree(dev);
190		return NULL;
191	}
192
193	err = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(32));
194	if (err)
195		pr_err("Failed to set SoC DMA mask: %d\n", err);
196
197	return dev;
198}
199#endif
200
201/*
202 * This finishes bus initialization doing things that were not possible without
203 * kmalloc. Make sure to call it late enough (after mm_init).
204 */
205void __init bcm47xx_bus_setup(void)
206{
207#ifdef CONFIG_BCM47XX_BCMA
208	if (bcm47xx_bus_type == BCM47XX_BUS_TYPE_BCMA) {
209		int err;
210
211		bcm47xx_bus.bcma.dev = bcm47xx_setup_device();
212		if (!bcm47xx_bus.bcma.dev)
213			panic("Failed to setup SoC device\n");
214
215		err = bcma_host_soc_init(&bcm47xx_bus.bcma);
216		if (err)
217			panic("Failed to initialize BCMA bus (err %d)", err);
218	}
219#endif
220
221	/* With bus initialized we can access NVRAM and detect the board */
222	bcm47xx_board_detect();
223	mips_set_machine_name(bcm47xx_board_get_name());
224}
225
226static int __init bcm47xx_cpu_fixes(void)
227{
228	switch (bcm47xx_bus_type) {
229#ifdef CONFIG_BCM47XX_SSB
230	case BCM47XX_BUS_TYPE_SSB:
231		/* Nothing to do */
232		break;
233#endif
234#ifdef CONFIG_BCM47XX_BCMA
235	case BCM47XX_BUS_TYPE_BCMA:
236		/* The BCM4706 has a problem with the CPU wait instruction.
237		 * When r4k_wait or r4k_wait_irqoff is used will just hang and
238		 * not return from a msleep(). Removing the cpu_wait
239		 * functionality is a workaround for this problem. The BCM4716
240		 * does not have this problem.
241		 */
242		if (bcm47xx_bus.bcma.bus.chipinfo.id == BCMA_CHIP_ID_BCM4706)
243			cpu_wait = NULL;
244		break;
245#endif
246	}
247	return 0;
248}
249arch_initcall(bcm47xx_cpu_fixes);
250
251static struct fixed_phy_status bcm47xx_fixed_phy_status __initdata = {
252	.link	= 1,
253	.speed	= SPEED_100,
254	.duplex	= DUPLEX_FULL,
255};
256
257static int __init bcm47xx_register_bus_complete(void)
258{
259	switch (bcm47xx_bus_type) {
260#ifdef CONFIG_BCM47XX_SSB
261	case BCM47XX_BUS_TYPE_SSB:
262		/* Nothing to do */
263		break;
264#endif
265#ifdef CONFIG_BCM47XX_BCMA
266	case BCM47XX_BUS_TYPE_BCMA:
267		if (device_register(bcm47xx_bus.bcma.dev))
268			pr_err("Failed to register SoC device\n");
269		bcma_bus_register(&bcm47xx_bus.bcma.bus);
270		break;
271#endif
272	}
273	bcm47xx_buttons_register();
274	bcm47xx_leds_register();
275	bcm47xx_workarounds();
276
277	fixed_phy_add(PHY_POLL, 0, &bcm47xx_fixed_phy_status);
278	return 0;
 
279}
280device_initcall(bcm47xx_register_bus_complete);