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c74b2108 SK |
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> | |
264bbdd1 HV |
31 | #include "../common/psc.h" |
32 | #include "../common/misc.h" | |
c74b2108 | 33 | |
66b3f24d DB |
34 | DECLARE_GLOBAL_DATA_PTR; |
35 | ||
c74b2108 SK |
36 | int board_init(void) |
37 | { | |
c74b2108 SK |
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) |
c74b2108 SK |
57 | /* Powerup the DSP */ |
58 | dsp_on(); | |
6d0f6bcf | 59 | #endif /* CONFIG_SYS_USE_DSPLINK */ |
c74b2108 SK |
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 | 84 | int misc_init_r(void) |
c74b2108 | 85 | { |
264bbdd1 HV |
86 | uint8_t video_mode; |
87 | uint8_t eeprom_enetaddr[6]; | |
c74b2108 | 88 | |
264bbdd1 | 89 | dv_display_clk_infos(); |
c74b2108 | 90 | |
264bbdd1 HV |
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 | |
264bbdd1 HV |
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")); |
c74b2108 SK |
101 | |
102 | return(0); | |
103 | } |