146 lines
3.1 KiB
C
146 lines
3.1 KiB
C
/*
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* (C) Copyright 2008
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* Texas Instruments, <www.ti.com>
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* Raghavendra KH <r-khandenahally@ti.com>
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*
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* Copyright (C) 2012 Jan Luebbe <j.luebbe@pengutronix.de>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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/**
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* @file
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* @brief BeagleBone Specific Board Initialization routines
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*/
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#include <common.h>
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#include <console.h>
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#include <init.h>
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#include <driver.h>
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#include <fs.h>
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#include <linux/stat.h>
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#include <envfs.h>
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#include <sizes.h>
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#include <io.h>
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#include <ns16550.h>
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#include <net.h>
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#include <asm/armlinux.h>
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#include <generated/mach-types.h>
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#include <mach/am33xx-silicon.h>
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#include <mach/am33xx-clock.h>
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#include <mach/sdrc.h>
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#include <mach/sys_info.h>
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#include <mach/syslib.h>
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#include <mach/gpmc.h>
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#include <mach/ehci.h>
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#include <i2c/i2c.h>
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#include <linux/err.h>
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#include <linux/phy.h>
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#include <usb/ehci.h>
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#include <mach/xload.h>
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#include <mach/am33xx-devices.h>
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#include <mach/am33xx-mux.h>
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#include <mach/wdt.h>
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#include <mach/am33xx-generic.h>
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#include <mach/cpsw.h>
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#ifdef CONFIG_DRIVER_SERIAL_NS16550
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/**
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* @brief UART serial port initialization - remember to enable COM clocks in
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* arch
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*
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* @return result of device registration
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*/
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static int beaglebone_console_init(void)
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{
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am33xx_add_uart0();
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return 0;
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}
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console_initcall(beaglebone_console_init);
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#endif /* CONFIG_DRIVER_SERIAL_NS16550 */
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static int beaglebone_mem_init(void)
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{
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omap_add_ram0(SZ_256M);
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return 0;
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}
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mem_initcall(beaglebone_mem_init);
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static struct cpsw_slave_data cpsw_slaves[] = {
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{
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.phy_id = 0,
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.phy_if = PHY_INTERFACE_MODE_MII,
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},
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};
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static struct cpsw_platform_data cpsw_data = {
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.slave_data = cpsw_slaves,
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.num_slaves = ARRAY_SIZE(cpsw_slaves),
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};
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static void beaglebone_eth_init(void)
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{
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am33xx_register_ethaddr(0, 0);
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writel(0, AM33XX_MAC_MII_SEL);
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enable_mii1_pin_mux();
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am33xx_add_cpsw(&cpsw_data);
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}
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static int beaglebone_devices_init(void)
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{
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am33xx_add_mmc0(NULL);
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enable_i2c0_pin_mux();
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beaglebone_eth_init();
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armlinux_set_bootparams((void *)0x80000100);
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armlinux_set_architecture(MACH_TYPE_BEAGLEBONE);
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return 0;
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}
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device_initcall(beaglebone_devices_init);
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#ifdef CONFIG_DEFAULT_ENVIRONMENT
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static int beaglebone_env_init(void)
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{
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struct stat s;
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char *diskdev = "/dev/disk0.0";
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int ret;
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ret = stat(diskdev, &s);
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if (ret) {
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printf("device %s not found. Using default environment\n", diskdev);
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return 0;
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}
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mkdir ("/boot", 0666);
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ret = mount(diskdev, "fat", "/boot");
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if (ret) {
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printf("failed to mount %s\n", diskdev);
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return 0;
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}
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if (IS_ENABLED(CONFIG_OMAP_BUILD_IFT))
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default_environment_path = "/dev/defaultenv";
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else
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default_environment_path = "/boot/barebox.env";
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return 0;
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}
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late_initcall(beaglebone_env_init);
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#endif
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