2 * Copyright (c) 2009, Oleksandr Tymoshenko <gonzo@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include "opt_ar71xx.h"
33 #include <sys/param.h>
34 #include <sys/systm.h>
37 #include <sys/interrupt.h>
38 #include <sys/malloc.h>
39 #include <sys/kernel.h>
40 #include <sys/module.h>
43 #include <sys/mutex.h>
47 #include <vm/vm_extern.h>
49 #include <machine/bus.h>
50 #include <machine/cpu.h>
51 #include <machine/intr_machdep.h>
52 #include <machine/pmap.h>
54 #include <dev/pci/pcivar.h>
55 #include <dev/pci/pcireg.h>
57 #include <dev/pci/pcib_private.h>
60 #include <mips/atheros/ar71xxreg.h>
61 #include <mips/atheros/ar71xx_pci_bus_space.h>
63 #include <mips/atheros/ar71xx_cpudef.h>
65 #include <sys/linker.h>
66 #include <sys/firmware.h>
68 #include <mips/atheros/ar71xx_fixup.h>
71 * Take a copy of the EEPROM contents and squirrel it away in a firmware.
72 * The SPI flash will eventually cease to be memory-mapped, so we need
73 * to take a copy of this before the SPI driver initialises.
76 ar71xx_pci_slot_create_eeprom_firmware(device_t dev, u_int bus, u_int slot,
77 u_int func, long int flash_addr, int size)
80 uint16_t *cal_data = (uint16_t *) MIPS_PHYS_TO_KSEG1(flash_addr);
82 const struct firmware *fw = NULL;
84 device_printf(dev, "EEPROM firmware: 0x%lx @ %d bytes\n",
87 eeprom = malloc(size, M_DEVBUF, M_WAITOK | M_ZERO);
90 "%s: malloc failed for '%s', aborting EEPROM\n",
95 memcpy(eeprom, cal_data, size);
98 * Generate a flash EEPROM 'firmware' from the given memory
99 * region. Since the SPI controller will eventually
100 * go into port-IO mode instead of memory-mapped IO
101 * mode, a copy of the EEPROM contents is required.
103 snprintf(buf, sizeof(buf), "%s.%d.bus.%d.%d.%d.eeprom_firmware",
104 device_get_name(dev), device_get_unit(dev), bus, slot, func);
105 fw = firmware_register(buf, eeprom, size, 1, NULL);
107 device_printf(dev, "%s: firmware_register (%s) failed\n",
109 free(eeprom, M_DEVBUF);
112 device_printf(dev, "device EEPROM '%s' registered\n", buf);
117 ar71xx_pci_slot_fixup(device_t dev, u_int bus, u_int slot, u_int func)
124 * Check whether the given slot has a hint to poke.
127 device_printf(dev, "%s: checking dev %s, %d/%d/%d\n",
128 __func__, device_get_nameunit(dev), bus, slot, func);
130 snprintf(buf, sizeof(buf), "bus.%d.%d.%d.ath_fixup_addr",
133 if (resource_long_value(device_get_name(dev), device_get_unit(dev),
134 buf, &flash_addr) == 0) {
135 snprintf(buf, sizeof(buf), "bus.%d.%d.%d.ath_fixup_size",
137 if (resource_int_value(device_get_name(dev),
138 device_get_unit(dev), buf, &size) != 0) {
140 "%s: missing hint '%s', aborting EEPROM\n",
146 device_printf(dev, "found EEPROM at 0x%lx on %d.%d.%d\n",
147 flash_addr, bus, slot, func);
148 ar71xx_pci_fixup(dev, bus, slot, func, flash_addr, size);
149 ar71xx_pci_slot_create_eeprom_firmware(dev, bus, slot, func,