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/*-
* Copyright (c) 2009, Oleksandr Tymoshenko <gonzo@FreeBSD.org>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice unmodified, this list of conditions, and the following
* disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``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 OR CONTRIBUTORS 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.
*/
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include "opt_ar71xx.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/interrupt.h>
#include <sys/malloc.h>
#include <sys/kernel.h>
#include <sys/module.h>
#include <sys/rman.h>
#include <sys/lock.h>
#include <sys/mutex.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <vm/vm_extern.h>
#include <machine/bus.h>
#include <machine/cpu.h>
#include <machine/intr_machdep.h>
#include <machine/pmap.h>
#include <dev/pci/pcivar.h>
#include <dev/pci/pcireg.h>
#include <dev/pci/pcib_private.h>
#include "pcib_if.h"
#include <mips/atheros/ar71xxreg.h>
#include <mips/atheros/ar71xx_pci_bus_space.h>
#include <mips/atheros/ar71xx_cpudef.h>
#include <sys/linker.h>
#include <sys/firmware.h>
#include <mips/atheros/ar71xx_fixup.h>
/*
* Take a copy of the EEPROM contents and squirrel it away in a firmware.
* The SPI flash will eventually cease to be memory-mapped, so we need
* to take a copy of this before the SPI driver initialises.
*/
void
ar71xx_pci_slot_create_eeprom_firmware(device_t dev, u_int bus, u_int slot,
u_int func, long int flash_addr, int size)
{
char buf[64];
uint16_t *cal_data = (uint16_t *) MIPS_PHYS_TO_KSEG1(flash_addr);
void *eeprom = NULL;
const struct firmware *fw = NULL;
device_printf(dev, "EEPROM firmware: 0x%lx @ %d bytes\n",
flash_addr, size);
eeprom = malloc(size, M_DEVBUF, M_WAITOK | M_ZERO);
if (! eeprom) {
device_printf(dev,
"%s: malloc failed for '%s', aborting EEPROM\n",
__func__, buf);
return;
}
memcpy(eeprom, cal_data, size);
/*
* Generate a flash EEPROM 'firmware' from the given memory
* region. Since the SPI controller will eventually
* go into port-IO mode instead of memory-mapped IO
* mode, a copy of the EEPROM contents is required.
*/
snprintf(buf, sizeof(buf), "%s.%d.bus.%d.%d.%d.eeprom_firmware",
device_get_name(dev), device_get_unit(dev), bus, slot, func);
fw = firmware_register(buf, eeprom, size, 1, NULL);
if (fw == NULL) {
device_printf(dev, "%s: firmware_register (%s) failed\n",
__func__, buf);
free(eeprom, M_DEVBUF);
return;
}
device_printf(dev, "device EEPROM '%s' registered\n", buf);
}
#if 0
static void
ar71xx_pci_slot_fixup(device_t dev, u_int bus, u_int slot, u_int func)
{
long int flash_addr;
char buf[64];
int size;
/*
* Check whether the given slot has a hint to poke.
*/
if (bootverbose)
device_printf(dev, "%s: checking dev %s, %d/%d/%d\n",
__func__, device_get_nameunit(dev), bus, slot, func);
snprintf(buf, sizeof(buf), "bus.%d.%d.%d.ath_fixup_addr",
bus, slot, func);
if (resource_long_value(device_get_name(dev), device_get_unit(dev),
buf, &flash_addr) == 0) {
snprintf(buf, sizeof(buf), "bus.%d.%d.%d.ath_fixup_size",
bus, slot, func);
if (resource_int_value(device_get_name(dev),
device_get_unit(dev), buf, &size) != 0) {
device_printf(dev,
"%s: missing hint '%s', aborting EEPROM\n",
__func__, buf);
return;
}
device_printf(dev, "found EEPROM at 0x%lx on %d.%d.%d\n",
flash_addr, bus, slot, func);
ar71xx_pci_fixup(dev, bus, slot, func, flash_addr, size);
ar71xx_pci_slot_create_eeprom_firmware(dev, bus, slot, func,
flash_addr, size);
}
}
#endif /* 0 */
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