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/*
* Copyright (c) 2013 embedded brains GmbH. All rights reserved.
*
* embedded brains GmbH
* Dornierstr. 4
* 82178 Puchheim
* Germany
* <info@embedded-brains.de>
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#include <bsp.h>
#include <bsp/bootcard.h>
#include <bsp/irq-generic.h>
#include <bsp/fdt.h>
#include <bsp/linker-symbols.h>
#include <bsp/i2c.h>
#include <rtems/sysinit.h>
#include "bsp-soc-detect.h"
#include <arm/ti/ti_pinmux.h>
#include <ofw/ofw.h>
#include "bspdebug.h"
void bsp_start(void)
{
const char *type;
bsp_soc_detect();
switch (ti_chip()) {
case CHIP_AM335X:
type = "am335x-based";
break;
case CHIP_OMAP_3:
type = "dm3730-based";
break;
default:
type = "Unknown SOC";
break;
}
bsp_interrupt_initialize();
printk("\nRTEMS Beagleboard: %s\n", type);
printk(" ARM Debug: 0x%08x\n", (intptr_t) bbb_arm_debug_registers());
rtems_cache_coherent_add_area(
bsp_section_nocacheheap_begin,
(uintptr_t) bsp_section_nocacheheap_size
);
}
uint32_t bsp_fdt_map_intr(const uint32_t *intr, size_t icells)
{
return intr[0];
}
static void traverse_fdt_nodes( phandle_t node )
{
for (node = rtems_ofw_child(node); node != 0; node = rtems_ofw_peer(node)) {
traverse_fdt_nodes(node);
if (!rtems_ofw_node_status(node))
continue;
/*
* Put all driver initialization functions here
*/
beagle_pinmux_init(node);
}
}
static void bbb_drivers_initialize(void)
{
phandle_t node = rtems_ofw_peer(0);
traverse_fdt_nodes(node);
}
static void bbb_i2c_0_initialize(void)
{
int err;
err = am335x_i2c_bus_register(BBB_I2C_0_BUS_PATH,
AM335X_I2C0_BASE,
I2C_BUS_CLOCK_DEFAULT,
BBB_I2C0_IRQ);
if (err != 0) {
printk("rtems i2c-0: Device could not be registered (%d)", err);
}
}
RTEMS_SYSINIT_ITEM(
bbb_i2c_0_initialize,
RTEMS_SYSINIT_LAST,
RTEMS_SYSINIT_ORDER_LAST_BUT_5
);
RTEMS_SYSINIT_ITEM(
bbb_drivers_initialize,
RTEMS_SYSINIT_BSP_PRE_DRIVERS,
RTEMS_SYSINIT_ORDER_LAST
);
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