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/*
* Copyright (C) 2019 Zodiac Inflight Innovation
*
* 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 program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <common.h>
#include <globalvar.h>
#include <init.h>
#include <fs.h>
static int rdu_networkconfig(void)
{
static char *rdu_netconfig;
struct device_d *sp_dev;
if (!of_machine_is_compatible("zii,imx6q-zii-rdu2") &&
!of_machine_is_compatible("zii,imx6qp-zii-rdu2") &&
!of_machine_is_compatible("zii,imx51-rdu1"))
return 0;
sp_dev = get_device_by_name("sp");
if (!sp_dev) {
pr_warn("no sp device found, network config not available!\n");
return -ENODEV;
}
rdu_netconfig = basprintf("ip=%s:::%s::eth0:",
dev_get_param(sp_dev, "ipaddr"),
dev_get_param(sp_dev, "netmask"));
globalvar_add_simple_string("linux.bootargs.rdu_network",
&rdu_netconfig);
return 0;
}
late_initcall(rdu_networkconfig);
#define I210_CFGWORD_PCIID_157B 0x157b1a11
static int rdu_i210_invm(void)
{
int fd;
u32 val;
if (!of_machine_is_compatible("zii,imx6q-zii-rdu2") &&
!of_machine_is_compatible("zii,imx6qp-zii-rdu2") &&
!of_machine_is_compatible("zii,imx8mq-ultra"))
return 0;
fd = open("/dev/e1000-invm0", O_RDWR);
if (fd < 0) {
pr_err("could not open e1000 iNVM device!\n");
return fd;
}
pread(fd, &val, sizeof(val), 0);
if (val == I210_CFGWORD_PCIID_157B) {
pr_debug("i210 already programmed correctly\n");
return 0;
}
val = I210_CFGWORD_PCIID_157B;
pwrite(fd, &val, sizeof(val), 0);
return 0;
}
late_initcall(rdu_i210_invm);
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