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
|
/*
*
* (C) Copyright 2000-2003
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* (C) Copyright 2004-2007 Freescale Semiconductor, Inc.
* TsiChung Liew (Tsi-Chung.Liew@freescale.com)
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <common.h>
#include <watchdog.h>
#include <asm/immap.h>
#include <asm/rtc.h>
/*
* Breath some life into the CPU...
*
* Set up the memory map,
* initialize a bunch of registers,
* initialize the UPM's
*/
void cpu_init_f(void)
{
volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1;
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS;
scm1->mpr = 0x77777777;
scm1->pacra = 0;
scm1->pacrb = 0;
scm1->pacrc = 0;
scm1->pacrd = 0;
scm1->pacre = 0;
scm1->pacrf = 0;
scm1->pacrg = 0;
/* FlexBus */
gpio->par_be =
GPIO_PAR_BE_BE3_BE3 | GPIO_PAR_BE_BE2_BE2 | GPIO_PAR_BE_BE1_BE1 |
GPIO_PAR_BE_BE0_BE0;
gpio->par_fbctl =
GPIO_PAR_FBCTL_OE | GPIO_PAR_FBCTL_TA_TA | GPIO_PAR_FBCTL_RW_RW |
GPIO_PAR_FBCTL_TS_TS;
#if !defined(CONFIG_CF_SBF)
#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) && defined(CONFIG_SYS_CS0_CTRL))
fbcs->csar0 = CONFIG_SYS_CS0_BASE;
fbcs->cscr0 = CONFIG_SYS_CS0_CTRL;
fbcs->csmr0 = CONFIG_SYS_CS0_MASK;
#endif
#endif
#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) && defined(CONFIG_SYS_CS1_CTRL))
/* Latch chipselect */
fbcs->csar1 = CONFIG_SYS_CS1_BASE;
fbcs->cscr1 = CONFIG_SYS_CS1_CTRL;
fbcs->csmr1 = CONFIG_SYS_CS1_MASK;
#endif
#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) && defined(CONFIG_SYS_CS2_CTRL))
fbcs->csar2 = CONFIG_SYS_CS2_BASE;
fbcs->cscr2 = CONFIG_SYS_CS2_CTRL;
fbcs->csmr2 = CONFIG_SYS_CS2_MASK;
#endif
#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) && defined(CONFIG_SYS_CS3_CTRL))
fbcs->csar3 = CONFIG_SYS_CS3_BASE;
fbcs->cscr3 = CONFIG_SYS_CS3_CTRL;
fbcs->csmr3 = CONFIG_SYS_CS3_MASK;
#endif
#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) && defined(CONFIG_SYS_CS4_CTRL))
fbcs->csar4 = CONFIG_SYS_CS4_BASE;
fbcs->cscr4 = CONFIG_SYS_CS4_CTRL;
fbcs->csmr4 = CONFIG_SYS_CS4_MASK;
#endif
#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) && defined(CONFIG_SYS_CS5_CTRL))
fbcs->csar5 = CONFIG_SYS_CS5_BASE;
fbcs->cscr5 = CONFIG_SYS_CS5_CTRL;
fbcs->csmr5 = CONFIG_SYS_CS5_MASK;
#endif
#ifdef CONFIG_FSL_I2C
gpio->par_feci2c = GPIO_PAR_FECI2C_SCL_SCL | GPIO_PAR_FECI2C_SDA_SDA;
#endif
icache_enable();
}
/*
* initialize higher level parts of CPU like timers
*/
int cpu_init_r(void)
{
#ifdef CONFIG_MCFRTC
volatile rtc_t *rtc = (volatile rtc_t *)(CONFIG_SYS_MCFRTC_BASE);
volatile rtcex_t *rtcex = (volatile rtcex_t *)&rtc->extended;
rtcex->gocu = (CONFIG_SYS_RTC_OSCILLATOR >> 16) & 0xFFFF;
rtcex->gocl = CONFIG_SYS_RTC_OSCILLATOR & 0xFFFF;
#endif
return (0);
}
void uart_port_conf(void)
{
volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO;
/* Setup Ports: */
switch (CONFIG_SYS_UART_PORT) {
case 0:
gpio->par_uart =
(GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD);
break;
case 1:
gpio->par_uart =
(GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD);
break;
}
}
|
