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_enet_pd.h>
28 #include <linux/fs_uart_pd.h>
29 #include <linux/fsl_devices.h>
30 #include <linux/mii.h>
31 #include <linux/of_fdt.h>
32 #include <linux/of_platform.h>
34 #include <asm/delay.h>
36 #include <asm/machdep.h>
38 #include <asm/processor.h>
40 #include <asm/mpc8xx.h>
41 #include <asm/8xx_immap.h>
43 #include <asm/fs_pd.h>
52 static struct cpm_pin tqm8xx_pins
[] __initdata
= {
54 {CPM_PORTB
, 24, CPM_PIN_INPUT
}, /* RX */
55 {CPM_PORTB
, 25, CPM_PIN_INPUT
| CPM_PIN_SECONDARY
}, /* TX */
58 {CPM_PORTA
, 5, CPM_PIN_INPUT
}, /* CLK1 */
59 {CPM_PORTA
, 7, CPM_PIN_INPUT
}, /* CLK2 */
60 {CPM_PORTA
, 14, CPM_PIN_INPUT
}, /* TX */
61 {CPM_PORTA
, 15, CPM_PIN_INPUT
}, /* RX */
62 {CPM_PORTC
, 15, CPM_PIN_INPUT
| CPM_PIN_SECONDARY
}, /* TENA */
63 {CPM_PORTC
, 10, CPM_PIN_INPUT
| CPM_PIN_SECONDARY
| CPM_PIN_GPIO
},
64 {CPM_PORTC
, 11, CPM_PIN_INPUT
| CPM_PIN_SECONDARY
| CPM_PIN_GPIO
},
67 static struct cpm_pin tqm8xx_fec_pins
[] __initdata
= {
69 {CPM_PORTD
, 3, CPM_PIN_OUTPUT
},
70 {CPM_PORTD
, 4, CPM_PIN_OUTPUT
},
71 {CPM_PORTD
, 5, CPM_PIN_OUTPUT
},
72 {CPM_PORTD
, 6, CPM_PIN_OUTPUT
},
73 {CPM_PORTD
, 7, CPM_PIN_OUTPUT
},
74 {CPM_PORTD
, 8, CPM_PIN_OUTPUT
},
75 {CPM_PORTD
, 9, CPM_PIN_OUTPUT
},
76 {CPM_PORTD
, 10, CPM_PIN_OUTPUT
},
77 {CPM_PORTD
, 11, CPM_PIN_OUTPUT
},
78 {CPM_PORTD
, 12, CPM_PIN_OUTPUT
},
79 {CPM_PORTD
, 13, CPM_PIN_OUTPUT
},
80 {CPM_PORTD
, 14, CPM_PIN_OUTPUT
},
81 {CPM_PORTD
, 15, CPM_PIN_OUTPUT
},
84 static void __init
init_pins(int n
, struct cpm_pin
*pin
)
88 for (i
= 0; i
< n
; i
++) {
89 cpm1_set_pin(pin
->port
, pin
->pin
, pin
->flags
);
94 static void __init
init_ioports(void)
96 struct device_node
*dnode
;
97 struct property
*prop
;
100 init_pins(ARRAY_SIZE(tqm8xx_pins
), &tqm8xx_pins
[0]);
102 cpm1_clk_setup(CPM_CLK_SMC1
, CPM_BRG1
, CPM_CLK_RTX
);
104 dnode
= of_find_node_by_name(NULL
, "aliases");
107 prop
= of_find_property(dnode
, "ethernet1", &len
);
112 init_pins(ARRAY_SIZE(tqm8xx_fec_pins
), &tqm8xx_fec_pins
[0]);
115 static void __init
tqm8xx_setup_arch(void)
121 static int __init
tqm8xx_probe(void)
123 unsigned long node
= of_get_flat_dt_root();
125 return of_flat_dt_is_compatible(node
, "tqc,tqm8xx");
128 static struct of_device_id __initdata of_bus_ids
[] = {
131 { .name
= "localbus", },
132 { .compatible
= "simple-bus" },
136 static int __init
declare_of_platform_devices(void)
138 of_platform_bus_probe(NULL
, of_bus_ids
, NULL
);
142 machine_device_initcall(tqm8xx
, declare_of_platform_devices
);
144 define_machine(tqm8xx
) {
146 .probe
= tqm8xx_probe
,
147 .setup_arch
= tqm8xx_setup_arch
,
148 .init_IRQ
= mpc8xx_pics_init
,
149 .get_irq
= mpc8xx_get_irq
,
150 .restart
= mpc8xx_restart
,
151 .calibrate_decr
= mpc8xx_calibrate_decr
,
152 .set_rtc_time
= mpc8xx_set_rtc_time
,
153 .get_rtc_time
= mpc8xx_get_rtc_time
,
154 .progress
= udbg_progress
,