1*4882a593Smuzhiyun /*
2*4882a593Smuzhiyun * Copyright (C) 2007 Freescale Semiconductor, Inc.
3*4882a593Smuzhiyun *
4*4882a593Smuzhiyun * Tony Li <tony.li@freescale.com>
5*4882a593Smuzhiyun *
6*4882a593Smuzhiyun * This program is free software; you can redistribute it and/or modify it
7*4882a593Smuzhiyun * under the terms of the GNU General Public License version 2 as
8*4882a593Smuzhiyun * published by the Free Software Foundation;
9*4882a593Smuzhiyun */
10*4882a593Smuzhiyun
11*4882a593Smuzhiyun #include <common.h>
12*4882a593Smuzhiyun #include <i2c.h>
13*4882a593Smuzhiyun #include <asm/io.h>
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #include "pq-mds-pib.h"
16*4882a593Smuzhiyun
pib_init(void)17*4882a593Smuzhiyun int pib_init(void)
18*4882a593Smuzhiyun {
19*4882a593Smuzhiyun u8 val8;
20*4882a593Smuzhiyun u8 orig_i2c_bus;
21*4882a593Smuzhiyun
22*4882a593Smuzhiyun /* Switch temporarily to I2C bus #2 */
23*4882a593Smuzhiyun orig_i2c_bus = i2c_get_bus_num();
24*4882a593Smuzhiyun i2c_set_bus_num(1);
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun val8 = 0;
27*4882a593Smuzhiyun #if defined(CONFIG_PCI) && !defined(CONFIG_PCISLAVE)
28*4882a593Smuzhiyun /* Assign PIB PMC slot to desired PCI bus */
29*4882a593Smuzhiyun i2c_write(0x23, 0x6, 1, &val8, 1);
30*4882a593Smuzhiyun i2c_write(0x23, 0x7, 1, &val8, 1);
31*4882a593Smuzhiyun val8 = 0xff;
32*4882a593Smuzhiyun i2c_write(0x23, 0x2, 1, &val8, 1);
33*4882a593Smuzhiyun i2c_write(0x23, 0x3, 1, &val8, 1);
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun val8 = 0;
36*4882a593Smuzhiyun i2c_write(0x26, 0x6, 1, &val8, 1);
37*4882a593Smuzhiyun val8 = 0x34;
38*4882a593Smuzhiyun i2c_write(0x26, 0x7, 1, &val8, 1);
39*4882a593Smuzhiyun #if defined(CONFIG_MPC832XEMDS)
40*4882a593Smuzhiyun val8 = 0xf9; /* PMC2, PMC3 slot to PCI bus */
41*4882a593Smuzhiyun #else
42*4882a593Smuzhiyun val8 = 0xf3; /* PMC1, PMC2, PMC3 slot to PCI bus */
43*4882a593Smuzhiyun #endif
44*4882a593Smuzhiyun i2c_write(0x26, 0x2, 1, &val8, 1);
45*4882a593Smuzhiyun val8 = 0xff;
46*4882a593Smuzhiyun i2c_write(0x26, 0x3, 1, &val8, 1);
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun val8 = 0;
49*4882a593Smuzhiyun i2c_write(0x27, 0x6, 1, &val8, 1);
50*4882a593Smuzhiyun i2c_write(0x27, 0x7, 1, &val8, 1);
51*4882a593Smuzhiyun val8 = 0xff;
52*4882a593Smuzhiyun i2c_write(0x27, 0x2, 1, &val8, 1);
53*4882a593Smuzhiyun val8 = 0xef;
54*4882a593Smuzhiyun i2c_write(0x27, 0x3, 1, &val8, 1);
55*4882a593Smuzhiyun
56*4882a593Smuzhiyun eieio();
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun #if defined(CONFIG_MPC832XEMDS)
59*4882a593Smuzhiyun printf("PCI 32bit bus on PMC2 &PMC3\n");
60*4882a593Smuzhiyun #else
61*4882a593Smuzhiyun printf("PCI 32bit bus on PMC1 & PMC2 &PMC3\n");
62*4882a593Smuzhiyun #endif
63*4882a593Smuzhiyun #endif
64*4882a593Smuzhiyun
65*4882a593Smuzhiyun #if defined(CONFIG_PQ_MDS_PIB_ATM)
66*4882a593Smuzhiyun #if defined(CONFIG_TARGET_MPC8569MDS)
67*4882a593Smuzhiyun val8 = 0;
68*4882a593Smuzhiyun i2c_write(0x20, 0x6, 1, &val8, 1);
69*4882a593Smuzhiyun i2c_write(0x20, 0x7, 1, &val8, 1);
70*4882a593Smuzhiyun
71*4882a593Smuzhiyun val8 = 0xdf;
72*4882a593Smuzhiyun i2c_write(0x20, 0x2, 1, &val8, 1);
73*4882a593Smuzhiyun val8 = 0xf7;
74*4882a593Smuzhiyun i2c_write(0x20, 0x3, 1, &val8, 1);
75*4882a593Smuzhiyun
76*4882a593Smuzhiyun eieio();
77*4882a593Smuzhiyun
78*4882a593Smuzhiyun printf("QOC3 ATM card on PMC0\n");
79*4882a593Smuzhiyun #elif defined(CONFIG_MPC832XEMDS)
80*4882a593Smuzhiyun val8 = 0;
81*4882a593Smuzhiyun i2c_write(0x26, 0x7, 1, &val8, 1);
82*4882a593Smuzhiyun val8 = 0xf7;
83*4882a593Smuzhiyun i2c_write(0x26, 0x3, 1, &val8, 1);
84*4882a593Smuzhiyun
85*4882a593Smuzhiyun val8 = 0;
86*4882a593Smuzhiyun i2c_write(0x21, 0x6, 1, &val8, 1);
87*4882a593Smuzhiyun i2c_write(0x21, 0x7, 1, &val8, 1);
88*4882a593Smuzhiyun
89*4882a593Smuzhiyun val8 = 0xdf;
90*4882a593Smuzhiyun i2c_write(0x21, 0x2, 1, &val8, 1);
91*4882a593Smuzhiyun val8 = 0xef;
92*4882a593Smuzhiyun i2c_write(0x21, 0x3, 1, &val8, 1);
93*4882a593Smuzhiyun
94*4882a593Smuzhiyun eieio();
95*4882a593Smuzhiyun
96*4882a593Smuzhiyun printf("QOC3 ATM card on PMC1\n");
97*4882a593Smuzhiyun #endif
98*4882a593Smuzhiyun #endif
99*4882a593Smuzhiyun /* Reset to original I2C bus */
100*4882a593Smuzhiyun i2c_set_bus_num(orig_i2c_bus);
101*4882a593Smuzhiyun return 0;
102*4882a593Smuzhiyun }
103