summaryrefslogtreecommitdiff
path: root/board/davinci/schmoogie/dv_board.c
blob: 99fd32629ff757680765a97fa688fda57142d2f4 (plain)
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
150
151
152
153
154
155
156
157
/*
 * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
 *
 * Parts are shamelessly stolen from various TI sources, original copyright
 * follows:
 * -----------------------------------------------------------------
 *
 * Copyright (C) 2004 Texas Instruments.
 *
 * ----------------------------------------------------------------------------
 * 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., 675 Mass Ave, Cambridge, MA 02139, USA.
 * ----------------------------------------------------------------------------
 */

#include <common.h>
#include <i2c.h>
#include <asm/arch/hardware.h>
#include <asm/arch/emac_defs.h>
#include "../common/psc.h"
#include "../common/misc.h"

DECLARE_GLOBAL_DATA_PTR;

int board_init(void)
{
	/* arch number of the board */
	gd->bd->bi_arch_number = MACH_TYPE_SCHMOOGIE;

	/* address of boot parameters */
	gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;

	/* Workaround for TMS320DM6446 errata 1.3.22 */
	REG(PSC_SILVER_BULLET) = 0;

	/* Power on required peripherals */
	lpsc_on(DAVINCI_LPSC_EMAC);
	lpsc_on(DAVINCI_LPSC_EMAC_WRAPPER);
	lpsc_on(DAVINCI_LPSC_MDIO);
	lpsc_on(DAVINCI_LPSC_I2C);
	lpsc_on(DAVINCI_LPSC_UART0);
	lpsc_on(DAVINCI_LPSC_TIMER1);
	lpsc_on(DAVINCI_LPSC_GPIO);

#if !defined(CFG_USE_DSPLINK)
	/* Powerup the DSP */
	dsp_on();
#endif /* CFG_USE_DSPLINK */

	/* Bringup UART0 out of reset */
	REG(UART0_PWREMU_MGMT) = 0x0000e003;

	/* Enable GIO3.3V cells used for EMAC */
	REG(VDD3P3V_PWDN) = 0;

	/* Enable UART0 MUX lines */
	REG(PINMUX1) |= 1;

	/* Enable EMAC and AEMIF pins */
	REG(PINMUX0) = 0x80000c1f;

	/* Enable I2C pin Mux */
	REG(PINMUX1) |= (1 << 7);

	/* Set the Bus Priority Register to appropriate value */
	REG(VBPR) = 0x20;

	timer_init();

	return(0);
}

int misc_init_r(void)
{
	u_int8_t	tmp[20], buf[10];
	int		i = 0;

	/* Set serial number from UID chip */
	u_int8_t	crc_tbl[256] = {
			0x00, 0x5e, 0xbc, 0xe2, 0x61, 0x3f, 0xdd, 0x83,
			0xc2, 0x9c, 0x7e, 0x20, 0xa3, 0xfd, 0x1f, 0x41,
			0x9d, 0xc3, 0x21, 0x7f, 0xfc, 0xa2, 0x40, 0x1e,
			0x5f, 0x01, 0xe3, 0xbd, 0x3e, 0x60, 0x82, 0xdc,
			0x23, 0x7d, 0x9f, 0xc1, 0x42, 0x1c, 0xfe, 0xa0,
			0xe1, 0xbf, 0x5d, 0x03, 0x80, 0xde, 0x3c, 0x62,
			0xbe, 0xe0, 0x02, 0x5c, 0xdf, 0x81, 0x63, 0x3d,
			0x7c, 0x22, 0xc0, 0x9e, 0x1d, 0x43, 0xa1, 0xff,
			0x46, 0x18, 0xfa, 0xa4, 0x27, 0x79, 0x9b, 0xc5,
			0x84, 0xda, 0x38, 0x66, 0xe5, 0xbb, 0x59, 0x07,
			0xdb, 0x85, 0x67, 0x39, 0xba, 0xe4, 0x06, 0x58,
			0x19, 0x47, 0xa5, 0xfb, 0x78, 0x26, 0xc4, 0x9a,
			0x65, 0x3b, 0xd9, 0x87, 0x04, 0x5a, 0xb8, 0xe6,
			0xa7, 0xf9, 0x1b, 0x45, 0xc6, 0x98, 0x7a, 0x24,
			0xf8, 0xa6, 0x44, 0x1a, 0x99, 0xc7, 0x25, 0x7b,
			0x3a, 0x64, 0x86, 0xd8, 0x5b, 0x05, 0xe7, 0xb9,
			0x8c, 0xd2, 0x30, 0x6e, 0xed, 0xb3, 0x51, 0x0f,
			0x4e, 0x10, 0xf2, 0xac, 0x2f, 0x71, 0x93, 0xcd,
			0x11, 0x4f, 0xad, 0xf3, 0x70, 0x2e, 0xcc, 0x92,
			0xd3, 0x8d, 0x6f, 0x31, 0xb2, 0xec, 0x0e, 0x50,
			0xaf, 0xf1, 0x13, 0x4d, 0xce, 0x90, 0x72, 0x2c,
			0x6d, 0x33, 0xd1, 0x8f, 0x0c, 0x52, 0xb0, 0xee,
			0x32, 0x6c, 0x8e, 0xd0, 0x53, 0x0d, 0xef, 0xb1,
			0xf0, 0xae, 0x4c, 0x12, 0x91, 0xcf, 0x2d, 0x73,
			0xca, 0x94, 0x76, 0x28, 0xab, 0xf5, 0x17, 0x49,
			0x08, 0x56, 0xb4, 0xea, 0x69, 0x37, 0xd5, 0x8b,
			0x57, 0x09, 0xeb, 0xb5, 0x36, 0x68, 0x8a, 0xd4,
			0x95, 0xcb, 0x29, 0x77, 0xf4, 0xaa, 0x48, 0x16,
			0xe9, 0xb7, 0x55, 0x0b, 0x88, 0xd6, 0x34, 0x6a,
			0x2b, 0x75, 0x97, 0xc9, 0x4a, 0x14, 0xf6, 0xa8,
			0x74, 0x2a, 0xc8, 0x96, 0x15, 0x4b, 0xa9, 0xf7,
			0xb6, 0xe8, 0x0a, 0x54, 0xd7, 0x89, 0x6b, 0x35
		};

	dv_display_clk_infos();

	/* Set serial number from UID chip */
	if (i2c_read(CFG_UID_ADDR, 0, 1, buf, 8)) {
		printf("\nUID @ 0x%02x read FAILED!!!\n", CFG_UID_ADDR);
		forceenv("serial#", "FAILED");
	} else {
		if (buf[0] != 0x70) {
			/* Device Family Code */
			printf("\nUID @ 0x%02x read FAILED!!!\n", CFG_UID_ADDR);
			forceenv("serial#", "FAILED");
		}
	}
	/* Now check CRC */
	tmp[0] = 0;
	for (i = 0; i < 8; i++)
		tmp[0] = crc_tbl[tmp[0] ^ buf[i]];

	if (tmp[0] != 0) {
		printf("\nUID @ 0x%02x - BAD CRC!!!\n", CFG_UID_ADDR);
		forceenv("serial#", "FAILED");
	} else {
		/* CRC OK, set "serial" env variable */
		sprintf((char *)&tmp[0], "%02x%02x%02x%02x%02x%02x",
			buf[6], buf[5], buf[4], buf[3], buf[2], buf[1]);
		forceenv("serial#", (char *)&tmp[0]);
	}

	if (!eth_hw_init())
		printf("ethernet init failed!\n");

	return(0);
}