153 lines
4.6 KiB
C
153 lines
4.6 KiB
C
/*-
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* Copyright (c) 2009, Oleksandr Tymoshenko <gonzo@FreeBSD.org>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice unmodified, this list of conditions, and the following
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* disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include "opt_ar71xx.h"
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/bus.h>
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#include <sys/interrupt.h>
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#include <sys/malloc.h>
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#include <sys/kernel.h>
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#include <sys/module.h>
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#include <sys/rman.h>
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#include <sys/lock.h>
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#include <sys/mutex.h>
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#include <vm/vm.h>
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#include <vm/pmap.h>
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#include <vm/vm_extern.h>
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#include <machine/bus.h>
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#include <machine/cpu.h>
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#include <machine/intr_machdep.h>
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#include <dev/pci/pcivar.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcib_private.h>
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#include "pcib_if.h"
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#include <mips/atheros/ar71xxreg.h>
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#include <mips/atheros/ar71xx_pci_bus_space.h>
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#include <mips/atheros/ar71xx_cpudef.h>
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#include <sys/linker.h>
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#include <sys/firmware.h>
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#include <mips/atheros/ar71xx_fixup.h>
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/*
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* Take a copy of the EEPROM contents and squirrel it away in a firmware.
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* The SPI flash will eventually cease to be memory-mapped, so we need
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* to take a copy of this before the SPI driver initialises.
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*/
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void
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ar71xx_pci_slot_create_eeprom_firmware(device_t dev, u_int bus, u_int slot,
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u_int func, long int flash_addr, int size)
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{
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char buf[64];
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uint16_t *cal_data = (uint16_t *) MIPS_PHYS_TO_KSEG1(flash_addr);
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void *eeprom = NULL;
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const struct firmware *fw = NULL;
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device_printf(dev, "EEPROM firmware: 0x%lx @ %d bytes\n",
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flash_addr, size);
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eeprom = malloc(size, M_DEVBUF, M_WAITOK | M_ZERO);
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if (! eeprom) {
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device_printf(dev,
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"%s: malloc failed for '%s', aborting EEPROM\n",
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__func__, buf);
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return;
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}
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memcpy(eeprom, cal_data, size);
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/*
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* Generate a flash EEPROM 'firmware' from the given memory
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* region. Since the SPI controller will eventually
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* go into port-IO mode instead of memory-mapped IO
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* mode, a copy of the EEPROM contents is required.
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*/
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snprintf(buf, sizeof(buf), "%s.%d.bus.%d.%d.%d.eeprom_firmware",
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device_get_name(dev), device_get_unit(dev), bus, slot, func);
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fw = firmware_register(buf, eeprom, size, 1, NULL);
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if (fw == NULL) {
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device_printf(dev, "%s: firmware_register (%s) failed\n",
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__func__, buf);
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free(eeprom, M_DEVBUF);
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return;
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}
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device_printf(dev, "device EEPROM '%s' registered\n", buf);
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}
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#if 0
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static void
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ar71xx_pci_slot_fixup(device_t dev, u_int bus, u_int slot, u_int func)
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{
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long int flash_addr;
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char buf[64];
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int size;
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/*
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* Check whether the given slot has a hint to poke.
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*/
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if (bootverbose)
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device_printf(dev, "%s: checking dev %s, %d/%d/%d\n",
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__func__, device_get_nameunit(dev), bus, slot, func);
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snprintf(buf, sizeof(buf), "bus.%d.%d.%d.ath_fixup_addr",
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bus, slot, func);
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if (resource_long_value(device_get_name(dev), device_get_unit(dev),
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buf, &flash_addr) == 0) {
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snprintf(buf, sizeof(buf), "bus.%d.%d.%d.ath_fixup_size",
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bus, slot, func);
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if (resource_int_value(device_get_name(dev),
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device_get_unit(dev), buf, &size) != 0) {
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device_printf(dev,
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"%s: missing hint '%s', aborting EEPROM\n",
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__func__, buf);
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return;
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}
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device_printf(dev, "found EEPROM at 0x%lx on %d.%d.%d\n",
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flash_addr, bus, slot, func);
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ar71xx_pci_fixup(dev, bus, slot, func, flash_addr, size);
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ar71xx_pci_slot_create_eeprom_firmware(dev, bus, slot, func,
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flash_addr, size);
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}
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}
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#endif /* 0 */
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