diff options
Diffstat (limited to 'arch/arm/boards/zii-common/board.c')
-rw-r--r-- | arch/arm/boards/zii-common/board.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/arch/arm/boards/zii-common/board.c b/arch/arm/boards/zii-common/board.c new file mode 100644 index 0000000000..20ec64d2d4 --- /dev/null +++ b/arch/arm/boards/zii-common/board.c @@ -0,0 +1,75 @@ +/* + * 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); |