diff options
Diffstat (limited to 'arch/arm/boards/gateworks-ventana/board.c')
| -rw-r--r-- | arch/arm/boards/gateworks-ventana/board.c | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/arch/arm/boards/gateworks-ventana/board.c b/arch/arm/boards/gateworks-ventana/board.c new file mode 100644 index 0000000000..82dba7c93d --- /dev/null +++ b/arch/arm/boards/gateworks-ventana/board.c @@ -0,0 +1,96 @@ +/* + * Copyright (C) 2014 Lucas Stach, Pengutronix + * + * 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 <environment.h> +#include <i2c/i2c.h> +#include <init.h> +#include <linux/marvell_phy.h> +#include <linux/phy.h> +#include <mach/bbu.h> +#include <mach/imx6.h> +#include <net.h> + +#include "gsc.h" + +static int gw54xx_devices_init(void) +{ + struct i2c_client client; + struct device_node *dnode; + u8 reg; + u8 mac[6]; + + if (!of_machine_is_compatible("gw,imx6q-gw54xx")) + return 0; + + client.adapter = i2c_get_adapter(0); + if (!client.adapter) { + pr_err("could not get system controller i2c bus\n"); + return -ENODEV; + } + + /* disable the GSC boot watchdog */ + client.addr = GSC_SC_ADDR; + gsc_i2c_read(&client, GSC_SC_CTRL1, ®, 1); + reg |= GSC_SC_CTRL1_WDDIS; + gsc_i2c_write(&client, GSC_SC_CTRL1, ®, 1); + + /* read MAC adresses from EEPROM and attach to eth devices */ + dnode = of_find_node_by_alias(of_get_root_node(), "ethernet0"); + if (dnode) { + client.addr = GSC_EEPROM_ADDR; + gsc_i2c_read(&client, 0x00, mac, 6); + of_eth_register_ethaddr(dnode, mac); + } + dnode = of_find_node_by_alias(of_get_root_node(), "ethernet1"); + if (dnode) { + client.addr = GSC_EEPROM_ADDR; + gsc_i2c_read(&client, 0x06, mac, 6); + of_eth_register_ethaddr(dnode, mac); + } + + imx6_bbu_nand_register_handler("nand", BBU_HANDLER_FLAG_DEFAULT); + + barebox_set_hostname("gw54xx"); + + return 0; +} +device_initcall(gw54xx_devices_init); + +static int marvell_88e1510_phy_fixup(struct phy_device *dev) +{ + u32 val; + + /* LED settings */ + phy_write(dev, 22, 3); + val = phy_read(dev, 16); + val &= 0xff00; + val |= 0x0017; + phy_write(dev, 16, val); + phy_write(dev, 22, 0); + + return 0; +} + +static int gw54xx_coredevices_init(void) +{ + if (!of_machine_is_compatible("gw,imx6q-gw54xx")) + return 0; + + phy_register_fixup_for_uid(MARVELL_PHY_ID_88E1510, MARVELL_PHY_ID_MASK, + marvell_88e1510_phy_fixup); + + return 0; +} +coredevice_initcall(gw54xx_coredevices_init); |