1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
|
/*arch/powerpc/platforms/8xx/mpc86xads_setup.c
*
* Platform setup for the Freescale mpc86xads board
*
* 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/of_platform.h>
#include <asm/io.h>
#include <asm/machdep.h>
#include <asm/time.h>
#include <asm/8xx_immap.h>
#include <asm/cpm1.h>
#include <asm/fs_pd.h>
#include <asm/udbg.h>
#include "mpc86xads.h"
#include "mpc8xx.h"
struct cpm_pin {
int port, pin, flags;
};
static struct cpm_pin mpc866ads_pins[] = {
/* SMC1 */
{CPM_PORTB, 24, CPM_PIN_INPUT}, /* RX */
{CPM_PORTB, 25, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */
/* SMC2 */
{CPM_PORTB, 21, CPM_PIN_INPUT}, /* RX */
{CPM_PORTB, 20, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TX */
/* SCC1 */
{CPM_PORTA, 6, 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_PORTB, 19, CPM_PIN_INPUT | CPM_PIN_SECONDARY}, /* TENA */
{CPM_PORTC, 10, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO}, /* RENA */
{CPM_PORTC, 11, CPM_PIN_INPUT | CPM_PIN_SECONDARY | CPM_PIN_GPIO}, /* CLSN */
/* 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},
/* I2C */
{CPM_PORTB, 26, CPM_PIN_INPUT | CPM_PIN_OPENDRAIN},
{CPM_PORTB, 27, CPM_PIN_INPUT | CPM_PIN_OPENDRAIN},
};
static void __init init_ioports(void)
{
int i;
for (i = 0; i < ARRAY_SIZE(mpc866ads_pins); i++) {
struct cpm_pin *pin = &mpc866ads_pins[i];
cpm1_set_pin(pin->port, pin->pin, pin->flags);
}
cpm1_clk_setup(CPM_CLK_SMC1, CPM_BRG1, CPM_CLK_RTX);
cpm1_clk_setup(CPM_CLK_SMC2, CPM_BRG2, CPM_CLK_RTX);
cpm1_clk_setup(CPM_CLK_SCC1, CPM_CLK1, CPM_CLK_TX);
cpm1_clk_setup(CPM_CLK_SCC1, CPM_CLK2, CPM_CLK_RX);
/* Set FEC1 and FEC2 to MII mode */
clrbits32(&mpc8xx_immr->im_cpm.cp_cptr, 0x00000180);
}
static void __init mpc86xads_setup_arch(void)
{
struct device_node *np;
u32 __iomem *bcsr_io;
cpm_reset();
init_ioports();
np = of_find_compatible_node(NULL, NULL, "fsl,mpc866ads-bcsr");
if (!np) {
printk(KERN_CRIT "Could not find fsl,mpc866ads-bcsr node\n");
return;
}
bcsr_io = of_iomap(np, 0);
of_node_put(np);
if (bcsr_io == NULL) {
printk(KERN_CRIT "Could not remap BCSR\n");
return;
}
clrbits32(bcsr_io, BCSR1_RS232EN_1 | BCSR1_RS232EN_2 | BCSR1_ETHEN);
iounmap(bcsr_io);
}
static int __init mpc86xads_probe(void)
{
unsigned long root = of_get_flat_dt_root();
return of_flat_dt_is_compatible(root, "fsl,mpc866ads");
}
static struct of_device_id __initdata of_bus_ids[] = {
{ .name = "soc", },
{ .name = "cpm", },
{ .name = "localbus", },
{},
};
static int __init declare_of_platform_devices(void)
{
of_platform_bus_probe(NULL, of_bus_ids, NULL);
return 0;
}
machine_device_initcall(mpc86x_ads, declare_of_platform_devices);
define_machine(mpc86x_ads) {
.name = "MPC86x ADS",
.probe = mpc86xads_probe,
.setup_arch = mpc86xads_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,
};
|
