118 lines
3.0 KiB
C
118 lines
3.0 KiB
C
/* Analogue & Micro Adder MPC875 board support
|
|
*
|
|
* Author: Scott Wood <scottwood@freescale.com>
|
|
*
|
|
* Copyright (c) 2007 Freescale Semiconductor, Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License, version 2, as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
|
|
#include <linux/init.h>
|
|
#include <linux/fs_enet_pd.h>
|
|
#include <linux/of_platform.h>
|
|
|
|
#include <asm/time.h>
|
|
#include <asm/machdep.h>
|
|
#include <asm/cpm1.h>
|
|
#include <asm/fs_pd.h>
|
|
#include <asm/udbg.h>
|
|
#include <asm/prom.h>
|
|
|
|
#include "mpc8xx.h"
|
|
|
|
struct cpm_pin {
|
|
int port, pin, flags;
|
|
};
|
|
|
|
static __initdata struct cpm_pin adder875_pins[] = {
|
|
/* SMC1 */
|
|
{CPM_PORTB, 24, CPM_PIN_INPUT}, /* RX */
|
|
{CPM_PORTB, 25, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */
|
|
|
|
/* MII1 */
|
|
{CPM_PORTA, 0, CPM_PIN_INPUT},
|
|
{CPM_PORTA, 1, CPM_PIN_INPUT},
|
|
{CPM_PORTA, 2, CPM_PIN_INPUT},
|
|
{CPM_PORTA, 3, CPM_PIN_INPUT},
|
|
{CPM_PORTA, 4, CPM_PIN_OUTPUT},
|
|
{CPM_PORTA, 10, CPM_PIN_OUTPUT},
|
|
{CPM_PORTA, 11, CPM_PIN_OUTPUT},
|
|
{CPM_PORTB, 19, CPM_PIN_INPUT},
|
|
{CPM_PORTB, 31, CPM_PIN_INPUT},
|
|
{CPM_PORTC, 12, CPM_PIN_INPUT},
|
|
{CPM_PORTC, 13, CPM_PIN_INPUT},
|
|
{CPM_PORTE, 30, CPM_PIN_OUTPUT},
|
|
{CPM_PORTE, 31, CPM_PIN_OUTPUT},
|
|
|
|
/* MII2 */
|
|
{CPM_PORTE, 14, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
|
|
{CPM_PORTE, 15, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
|
|
{CPM_PORTE, 16, CPM_PIN_OUTPUT},
|
|
{CPM_PORTE, 17, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
|
|
{CPM_PORTE, 18, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
|
|
{CPM_PORTE, 19, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
|
|
{CPM_PORTE, 20, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
|
|
{CPM_PORTE, 21, CPM_PIN_OUTPUT},
|
|
{CPM_PORTE, 22, CPM_PIN_OUTPUT},
|
|
{CPM_PORTE, 23, CPM_PIN_OUTPUT},
|
|
{CPM_PORTE, 24, CPM_PIN_OUTPUT},
|
|
{CPM_PORTE, 25, CPM_PIN_OUTPUT},
|
|
{CPM_PORTE, 26, CPM_PIN_OUTPUT},
|
|
{CPM_PORTE, 27, CPM_PIN_OUTPUT},
|
|
{CPM_PORTE, 28, CPM_PIN_OUTPUT},
|
|
{CPM_PORTE, 29, CPM_PIN_OUTPUT},
|
|
};
|
|
|
|
static void __init init_ioports(void)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(adder875_pins); i++) {
|
|
const struct cpm_pin *pin = &adder875_pins[i];
|
|
cpm1_set_pin(pin->port, pin->pin, pin->flags);
|
|
}
|
|
|
|
cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX);
|
|
|
|
/* Set FEC1 and FEC2 to MII mode */
|
|
clrbits32(&mpc8xx_immr->im_cpm.cp_cptr, 0x00000180);
|
|
}
|
|
|
|
static void __init adder875_setup(void)
|
|
{
|
|
cpm_reset();
|
|
init_ioports();
|
|
}
|
|
|
|
static int __init adder875_probe(void)
|
|
{
|
|
return of_machine_is_compatible("analogue-and-micro,adder875");
|
|
}
|
|
|
|
static const struct of_device_id of_bus_ids[] __initconst = {
|
|
{ .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(adder875, declare_of_platform_devices);
|
|
|
|
define_machine(adder875) {
|
|
.name = "Adder MPC875",
|
|
.probe = adder875_probe,
|
|
.setup_arch = adder875_setup,
|
|
.init_IRQ = mpc8xx_pics_init,
|
|
.get_irq = mpc8xx_get_irq,
|
|
.restart = mpc8xx_restart,
|
|
.calibrate_decr = generic_calibrate_decr,
|
|
.set_rtc_time = mpc8xx_set_rtc_time,
|
|
.get_rtc_time = mpc8xx_get_rtc_time,
|
|
.progress = udbg_progress,
|
|
};
|