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/*
* Platform setup for the MPC8xx based boards from TQM.
*
* Heiko Schocher <hs@denx.de>
* Copyright 2010 DENX Software Engineering GmbH
*
* based on:
* Vitaly Bordug <vbordug@ru.mvista.com>
*
* Copyright 2005 MontaVista Software Inc.
*
* Heavily modified by Scott Wood <scottwood@freescale.com>
* Copyright 2007 Freescale Semiconductor, Inc.
*
* This file is licensed under the terms of the GNU General Public License
* version 2. This program is licensed "as is" without any warranty of any
* kind, whether express or implied.
*/
#include <linux/init.h>
#include <linux/module.h>
#include <linux/param.h>
#include <linux/string.h>
#include <linux/ioport.h>
#include <linux/device.h>
#include <linux/delay.h>
#include <linux/fs_enet_pd.h>
#include <linux/fs_uart_pd.h>
#include <linux/fsl_devices.h>
#include <linux/mii.h>
#include <linux/of_platform.h>
#include <asm/delay.h>
#include <asm/io.h>
#include <asm/machdep.h>
#include <asm/page.h>
#include <asm/processor.h>
#include <asm/system.h>
#include <asm/time.h>
#include <asm/mpc8xx.h>
#include <asm/8xx_immap.h>
#include <asm/cpm1.h>
#include <asm/fs_pd.h>
#include <asm/udbg.h>
#include "mpc8xx.h"
struct cpm_pin {
int port, pin, flags;
};
static struct __initdata cpm_pin tqm8xx_pins[] = {
/* SMC1 */
{CPM_PORTB, 24, CPM_PIN_INPUT}, /* RX */
{CPM_PORTB, 25, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */
/* SCC1 */
{CPM_PORTA, 5, CPM_PIN_INPUT}, /* CLK1 */
{CPM_PORTA, 7, CPM_PIN_INPUT}, /* CLK2 */
{CPM_PORTA, 14, CPM_PIN_INPUT}, /* TX */
{CPM_PORTA, 15, CPM_PIN_INPUT}, /* RX */
{CPM_PORTC, 15, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TENA */
{CPM_PORTC, 10, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO},
{CPM_PORTC, 11, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO},
};
static struct __initdata cpm_pin tqm8xx_fec_pins[] = {
/* MII */
{CPM_PORTD, 3, CPM_PIN_OUTPUT},
{CPM_PORTD, 4, CPM_PIN_OUTPUT},
{CPM_PORTD, 5, CPM_PIN_OUTPUT},
{CPM_PORTD, 6, CPM_PIN_OUTPUT},
{CPM_PORTD, 7, CPM_PIN_OUTPUT},
{CPM_PORTD, 8, CPM_PIN_OUTPUT},
{CPM_PORTD, 9, CPM_PIN_OUTPUT},
{CPM_PORTD, 10, CPM_PIN_OUTPUT},
{CPM_PORTD, 11, CPM_PIN_OUTPUT},
{CPM_PORTD, 12, CPM_PIN_OUTPUT},
{CPM_PORTD, 13, CPM_PIN_OUTPUT},
{CPM_PORTD, 14, CPM_PIN_OUTPUT},
{CPM_PORTD, 15, CPM_PIN_OUTPUT},
};
static void __init init_pins(int n, struct cpm_pin *pin)
{
int i;
for (i = 0; i < n; i++) {
cpm1_set_pin(pin->port, pin->pin, pin->flags);
pin++;
}
}
static void __init init_ioports(void)
{
struct device_node *dnode;
struct property *prop;
int len;
init_pins(ARRAY_SIZE(tqm8xx_pins), &tqm8xx_pins[0]);
cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX);
dnode = of_find_node_by_name(NULL, "aliases");
if (dnode == NULL)
return;
prop = of_find_property(dnode, "ethernet1", &len);
if (prop == NULL)
return;
/* init FEC pins */
init_pins(ARRAY_SIZE(tqm8xx_fec_pins), &tqm8xx_fec_pins[0]);
}
static void __init tqm8xx_setup_arch(void)
{
cpm_reset();
init_ioports();
}
static int __init tqm8xx_probe(void)
{
unsigned long node = of_get_flat_dt_root();
return of_flat_dt_is_compatible(node, "tqc,tqm8xx");
}
static struct of_device_id __initdata of_bus_ids[] = {
{ .name = "soc", },
{ .name = "cpm", },
{ .name = "localbus", },
{ .compatible = "simple-bus" },
{},
};
static int __init declare_of_platform_devices(void)
{
of_platform_bus_probe(NULL, of_bus_ids, NULL);
return 0;
}
machine_device_initcall(tqm8xx, declare_of_platform_devices);
define_machine(tqm8xx) {
.name = "TQM8xx",
.probe = tqm8xx_probe,
.setup_arch = tqm8xx_setup_arch,
.init_IRQ = mpc8xx_pics_init,
.get_irq = mpc8xx_get_irq,
.restart = mpc8xx_restart,
.calibrate_decr = mpc8xx_calibrate_decr,
.set_rtc_time = mpc8xx_set_rtc_time,
.get_rtc_time = mpc8xx_get_rtc_time,
.progress = udbg_progress,
};
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