source: SVN/rincon/u-boot/board/davinci/sonata/sonata.c @ 55

Last change on this file since 55 was 55, checked in by Tim Harvey, 2 years ago

rincon: added latest u-boot source

restored form server backup

Signed-off-by: Tim Harvey <tharvey@…>

File size: 2.6 KB
Line 
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 <asm/arch/hardware.h>
29#include <asm/arch/emac_defs.h>
30#include "../common/psc.h"
31#include "../common/misc.h"
32
33DECLARE_GLOBAL_DATA_PTR;
34
35int board_init(void)
36{
37        /* arch number of the board */
38        gd->bd->bi_arch_number = MACH_TYPE_SONATA;
39
40        /* address of boot parameters */
41        gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
42
43        /* Workaround for TMS320DM6446 errata 1.3.22 */
44        REG(PSC_SILVER_BULLET) = 0;
45
46        /* Power on required peripherals */
47        lpsc_on(DAVINCI_LPSC_EMAC);
48        lpsc_on(DAVINCI_LPSC_EMAC_WRAPPER);
49        lpsc_on(DAVINCI_LPSC_MDIO);
50        lpsc_on(DAVINCI_LPSC_I2C);
51        lpsc_on(DAVINCI_LPSC_UART0);
52        lpsc_on(DAVINCI_LPSC_TIMER1);
53        lpsc_on(DAVINCI_LPSC_GPIO);
54
55#if !defined(CFG_USE_DSPLINK)
56        /* Powerup the DSP */
57        dsp_on();
58#endif /* CFG_USE_DSPLINK */
59
60        /* Bringup UART0 out of reset */
61        REG(UART0_PWREMU_MGMT) = 0x0000e003;
62
63        /* Enable GIO3.3V cells used for EMAC */
64        REG(VDD3P3V_PWDN) = 0;
65
66        /* Enable UART0 MUX lines */
67        REG(PINMUX1) |= 1;
68
69        /* Enable EMAC and AEMIF pins */
70        REG(PINMUX0) = 0x80000c1f;
71
72        /* Enable I2C pin Mux */
73        REG(PINMUX1) |= (1 << 7);
74
75        /* Set the Bus Priority Register to appropriate value */
76        REG(VBPR) = 0x20;
77
78        timer_init();
79
80        return(0);
81}
82
83int misc_init_r(void)
84{
85        uint8_t eeprom_enetaddr[6];
86
87        dv_display_clk_infos();
88
89        /* Read Ethernet MAC address from EEPROM if available. */
90        if (dvevm_read_mac_address(eeprom_enetaddr))
91                dv_configure_mac_address(eeprom_enetaddr);
92
93        if (!eth_hw_init())
94                printf("ethernet init failed!\n");
95
96        return(0);
97}
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