mirror of https://gitee.com/openkylin/linux.git
113 lines
2.8 KiB
C
113 lines
2.8 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/* Analogue & Micro Adder MPC875 board support
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*
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* Author: Scott Wood <scottwood@freescale.com>
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*
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* Copyright (c) 2007 Freescale Semiconductor, Inc.
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*/
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#include <linux/init.h>
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#include <linux/fs_enet_pd.h>
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#include <linux/of_platform.h>
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#include <asm/time.h>
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#include <asm/machdep.h>
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#include <asm/cpm1.h>
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#include <asm/fs_pd.h>
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#include <asm/udbg.h>
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#include <asm/prom.h>
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#include "mpc8xx.h"
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struct cpm_pin {
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int port, pin, flags;
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};
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static __initdata struct cpm_pin adder875_pins[] = {
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/* SMC1 */
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{CPM_PORTB, 24, CPM_PIN_INPUT}, /* RX */
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{CPM_PORTB, 25, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */
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/* MII1 */
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{CPM_PORTA, 0, CPM_PIN_INPUT},
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{CPM_PORTA, 1, CPM_PIN_INPUT},
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{CPM_PORTA, 2, CPM_PIN_INPUT},
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{CPM_PORTA, 3, CPM_PIN_INPUT},
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{CPM_PORTA, 4, CPM_PIN_OUTPUT},
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{CPM_PORTA, 10, CPM_PIN_OUTPUT},
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{CPM_PORTA, 11, CPM_PIN_OUTPUT},
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{CPM_PORTB, 19, CPM_PIN_INPUT},
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{CPM_PORTB, 31, CPM_PIN_INPUT},
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{CPM_PORTC, 12, CPM_PIN_INPUT},
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{CPM_PORTC, 13, CPM_PIN_INPUT},
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{CPM_PORTE, 30, CPM_PIN_OUTPUT},
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{CPM_PORTE, 31, CPM_PIN_OUTPUT},
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/* MII2 */
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{CPM_PORTE, 14, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
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{CPM_PORTE, 15, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
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{CPM_PORTE, 16, CPM_PIN_OUTPUT},
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{CPM_PORTE, 17, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
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{CPM_PORTE, 18, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
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{CPM_PORTE, 19, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
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{CPM_PORTE, 20, CPM_PIN_OUTPUT | CPM_PIN_SECONDARY},
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{CPM_PORTE, 21, CPM_PIN_OUTPUT},
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{CPM_PORTE, 22, CPM_PIN_OUTPUT},
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{CPM_PORTE, 23, CPM_PIN_OUTPUT},
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{CPM_PORTE, 24, CPM_PIN_OUTPUT},
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{CPM_PORTE, 25, CPM_PIN_OUTPUT},
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{CPM_PORTE, 26, CPM_PIN_OUTPUT},
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{CPM_PORTE, 27, CPM_PIN_OUTPUT},
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{CPM_PORTE, 28, CPM_PIN_OUTPUT},
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{CPM_PORTE, 29, CPM_PIN_OUTPUT},
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};
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static void __init init_ioports(void)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(adder875_pins); i++) {
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const struct cpm_pin *pin = &adder875_pins[i];
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cpm1_set_pin(pin->port, pin->pin, pin->flags);
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}
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cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX);
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/* Set FEC1 and FEC2 to MII mode */
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clrbits32(&mpc8xx_immr->im_cpm.cp_cptr, 0x00000180);
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}
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static void __init adder875_setup(void)
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{
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cpm_reset();
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init_ioports();
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}
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static int __init adder875_probe(void)
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{
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return of_machine_is_compatible("analogue-and-micro,adder875");
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}
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static const struct of_device_id of_bus_ids[] __initconst = {
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{ .compatible = "simple-bus", },
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{},
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};
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static int __init declare_of_platform_devices(void)
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{
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of_platform_bus_probe(NULL, of_bus_ids, NULL);
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return 0;
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}
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machine_device_initcall(adder875, declare_of_platform_devices);
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define_machine(adder875) {
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.name = "Adder MPC875",
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.probe = adder875_probe,
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.setup_arch = adder875_setup,
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.init_IRQ = mpc8xx_pics_init,
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.get_irq = mpc8xx_get_irq,
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.restart = mpc8xx_restart,
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.calibrate_decr = generic_calibrate_decr,
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.progress = udbg_progress,
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};
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