2 * Platform setup for the MPC8xx based boards from TQM.
4 * Heiko Schocher <hs@denx.de>
5 * Copyright 2010 DENX Software Engineering GmbH
8 * Vitaly Bordug <vbordug@ru.mvista.com>
10 * Copyright 2005 MontaVista Software Inc.
12 * Heavily modified by Scott Wood <scottwood@freescale.com>
13 * Copyright 2007 Freescale Semiconductor, Inc.
15 * This file is licensed under the terms of the GNU General Public License
16 * version 2. This program is licensed "as is" without any warranty of any
17 * kind, whether express or implied.
20 #include <linux/init.h>
21 #include <linux/param.h>
22 #include <linux/string.h>
23 #include <linux/ioport.h>
24 #include <linux/device.h>
25 #include <linux/delay.h>
27 #include <linux/fs_uart_pd.h>
28 #include <linux/fsl_devices.h>
29 #include <linux/mii.h>
30 #include <linux/of_fdt.h>
31 #include <linux/of_platform.h>
33 #include <asm/delay.h>
35 #include <asm/machdep.h>
37 #include <asm/processor.h>
39 #include <asm/8xx_immap.h>
50 static struct cpm_pin tqm8xx_pins[] __initdata = {
52 {CPM_PORTB, 24, CPM_PIN_INPUT}, /* RX */
53 {CPM_PORTB, 25, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */
56 {CPM_PORTA, 5, CPM_PIN_INPUT}, /* CLK1 */
57 {CPM_PORTA, 7, CPM_PIN_INPUT}, /* CLK2 */
58 {CPM_PORTA, 14, CPM_PIN_INPUT}, /* TX */
59 {CPM_PORTA, 15, CPM_PIN_INPUT}, /* RX */
60 {CPM_PORTC, 15, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TENA */
61 {CPM_PORTC, 10, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO},
62 {CPM_PORTC, 11, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO},
65 static struct cpm_pin tqm8xx_fec_pins[] __initdata = {
67 {CPM_PORTD, 3, CPM_PIN_OUTPUT},
68 {CPM_PORTD, 4, CPM_PIN_OUTPUT},
69 {CPM_PORTD, 5, CPM_PIN_OUTPUT},
70 {CPM_PORTD, 6, CPM_PIN_OUTPUT},
71 {CPM_PORTD, 7, CPM_PIN_OUTPUT},
72 {CPM_PORTD, 8, CPM_PIN_OUTPUT},
73 {CPM_PORTD, 9, CPM_PIN_OUTPUT},
74 {CPM_PORTD, 10, CPM_PIN_OUTPUT},
75 {CPM_PORTD, 11, CPM_PIN_OUTPUT},
76 {CPM_PORTD, 12, CPM_PIN_OUTPUT},
77 {CPM_PORTD, 13, CPM_PIN_OUTPUT},
78 {CPM_PORTD, 14, CPM_PIN_OUTPUT},
79 {CPM_PORTD, 15, CPM_PIN_OUTPUT},
82 static void __init init_pins(int n, struct cpm_pin *pin)
86 for (i = 0; i < n; i++) {
87 cpm1_set_pin(pin->port, pin->pin, pin->flags);
92 static void __init init_ioports(void)
94 struct device_node *dnode;
95 struct property *prop;
98 init_pins(ARRAY_SIZE(tqm8xx_pins), &tqm8xx_pins[0]);
100 cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX);
102 dnode = of_find_node_by_name(NULL, "aliases");
105 prop = of_find_property(dnode, "ethernet1", &len);
113 init_pins(ARRAY_SIZE(tqm8xx_fec_pins), &tqm8xx_fec_pins[0]);
116 static void __init tqm8xx_setup_arch(void)
122 static const struct of_device_id of_bus_ids[] __initconst = {
125 { .name = "localbus", },
126 { .compatible = "simple-bus" },
130 static int __init declare_of_platform_devices(void)
132 of_platform_bus_probe(NULL, of_bus_ids, NULL);
136 machine_device_initcall(tqm8xx, declare_of_platform_devices);
138 define_machine(tqm8xx) {
140 .compatible = "tqc,tqm8xx",
141 .setup_arch = tqm8xx_setup_arch,
142 .init_IRQ = mpc8xx_pic_init,
143 .get_irq = mpc8xx_get_irq,
144 .restart = mpc8xx_restart,
145 .calibrate_decr = mpc8xx_calibrate_decr,
146 .set_rtc_time = mpc8xx_set_rtc_time,
147 .get_rtc_time = mpc8xx_get_rtc_time,
148 .progress = udbg_progress,