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/*
* (C) Copyright 2008
* Texas Instruments, <www.ti.com>
* Raghavendra KH <r-khandenahally@ti.com>
*
* Copyright (C) 2012 Jan Luebbe <j.luebbe@pengutronix.de>
*
* 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.
*/
/**
* @file
* @brief BeagleBone Specific Board Initialization routines
*/
#include <common.h>
#include <console.h>
#include <init.h>
#include <driver.h>
#include <fs.h>
#include <linux/stat.h>
#include <envfs.h>
#include <sizes.h>
#include <io.h>
#include <ns16550.h>
#include <net.h>
#include <asm/armlinux.h>
#include <generated/mach-types.h>
#include <mach/am33xx-silicon.h>
#include <mach/am33xx-clock.h>
#include <mach/sdrc.h>
#include <mach/sys_info.h>
#include <mach/syslib.h>
#include <mach/gpmc.h>
#include <mach/ehci.h>
#include <i2c/i2c.h>
#include <linux/err.h>
#include <linux/phy.h>
#include <usb/ehci.h>
#include <mach/xload.h>
#include <mach/am33xx-devices.h>
#include <mach/am33xx-mux.h>
#include <mach/wdt.h>
#include <mach/am33xx-generic.h>
#include <mach/cpsw.h>
#ifdef CONFIG_DRIVER_SERIAL_NS16550
/**
* @brief UART serial port initialization - remember to enable COM clocks in
* arch
*
* @return result of device registration
*/
static int beaglebone_console_init(void)
{
am33xx_add_uart0();
return 0;
}
console_initcall(beaglebone_console_init);
#endif /* CONFIG_DRIVER_SERIAL_NS16550 */
static int beaglebone_mem_init(void)
{
omap_add_ram0(SZ_256M);
return 0;
}
mem_initcall(beaglebone_mem_init);
static struct cpsw_slave_data cpsw_slaves[] = {
{
.phy_id = 0,
.phy_if = PHY_INTERFACE_MODE_MII,
},
};
static struct cpsw_platform_data cpsw_data = {
.slave_data = cpsw_slaves,
.num_slaves = ARRAY_SIZE(cpsw_slaves),
};
static void beaglebone_eth_init(void)
{
am33xx_register_ethaddr(0, 0);
writel(0, AM33XX_MAC_MII_SEL);
am33xx_enable_mii1_pin_mux();
am33xx_add_cpsw(&cpsw_data);
}
static int beaglebone_devices_init(void)
{
am33xx_add_mmc0(NULL);
am33xx_enable_i2c0_pin_mux();
beaglebone_eth_init();
armlinux_set_bootparams((void *)0x80000100);
armlinux_set_architecture(MACH_TYPE_BEAGLEBONE);
return 0;
}
device_initcall(beaglebone_devices_init);
#ifdef CONFIG_DEFAULT_ENVIRONMENT
static int beaglebone_env_init(void)
{
struct stat s;
char *diskdev = "/dev/disk0.0";
int ret;
ret = stat(diskdev, &s);
if (ret) {
printf("device %s not found. Using default environment\n", diskdev);
return 0;
}
mkdir ("/boot", 0666);
ret = mount(diskdev, "fat", "/boot");
if (ret) {
printf("failed to mount %s\n", diskdev);
return 0;
}
if (IS_ENABLED(CONFIG_OMAP_BUILD_IFT))
default_environment_path = "/dev/defaultenv";
else
default_environment_path = "/boot/barebox.env";
return 0;
}
late_initcall(beaglebone_env_init);
#endif
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