]> git.ipfire.org Git - people/ms/u-boot.git/blame - board/davinci/dvevm/dvevm.c
rename CFG_ macros to CONFIG_SYS
[people/ms/u-boot.git] / board / davinci / dvevm / dvevm.c
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1/*
2 * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
3 *
4 * Parts are shamelessly stolen from various TI sources, original copyright
5 * follows:
6 * -----------------------------------------------------------------
7 *
8 * Copyright (C) 2004 Texas Instruments.
9 *
10 * ----------------------------------------------------------------------------
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 * ----------------------------------------------------------------------------
25 */
26
27#include <common.h>
28#include <i2c.h>
29#include <asm/arch/hardware.h>
30#include <asm/arch/emac_defs.h>
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31#include "../common/psc.h"
32#include "../common/misc.h"
c74b2108 33
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34DECLARE_GLOBAL_DATA_PTR;
35
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36int board_init(void)
37{
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38 /* arch number of the board */
39 gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_EVM;
40
41 /* address of boot parameters */
42 gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
43
44 /* Workaround for TMS320DM6446 errata 1.3.22 */
45 REG(PSC_SILVER_BULLET) = 0;
46
47 /* Power on required peripherals */
48 lpsc_on(DAVINCI_LPSC_EMAC);
49 lpsc_on(DAVINCI_LPSC_EMAC_WRAPPER);
50 lpsc_on(DAVINCI_LPSC_MDIO);
51 lpsc_on(DAVINCI_LPSC_I2C);
52 lpsc_on(DAVINCI_LPSC_UART0);
53 lpsc_on(DAVINCI_LPSC_TIMER1);
54 lpsc_on(DAVINCI_LPSC_GPIO);
55
6d0f6bcf 56#if !defined(CONFIG_SYS_USE_DSPLINK)
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57 /* Powerup the DSP */
58 dsp_on();
6d0f6bcf 59#endif /* CONFIG_SYS_USE_DSPLINK */
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60
61 /* Bringup UART0 out of reset */
62 REG(UART0_PWREMU_MGMT) = 0x0000e003;
63
64 /* Enable GIO3.3V cells used for EMAC */
65 REG(VDD3P3V_PWDN) = 0;
66
67 /* Enable UART0 MUX lines */
68 REG(PINMUX1) |= 1;
69
70 /* Enable EMAC and AEMIF pins */
71 REG(PINMUX0) = 0x80000c1f;
72
73 /* Enable I2C pin Mux */
74 REG(PINMUX1) |= (1 << 7);
75
76 /* Set the Bus Priority Register to appropriate value */
77 REG(VBPR) = 0x20;
78
79 timer_init();
80
81 return(0);
82}
83
264bbdd1 84int misc_init_r(void)
c74b2108 85{
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86 uint8_t video_mode;
87 uint8_t eeprom_enetaddr[6];
c74b2108 88
264bbdd1 89 dv_display_clk_infos();
c74b2108 90
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91 /* Read Ethernet MAC address from EEPROM if available. */
92 if (dvevm_read_mac_address(eeprom_enetaddr))
93 dv_configure_mac_address(eeprom_enetaddr);
c74b2108 94
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95 if (!eth_hw_init())
96 printf("ethernet init failed!\n");
c74b2108 97
264bbdd1 98 i2c_read(0x39, 0x00, 1, &video_mode, 1);
c74b2108 99
264bbdd1 100 setenv("videostd", ((video_mode & 0x80) ? "pal" : "ntsc"));
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101
102 return(0);
103}