Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 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> |
Sughosh Ganu | 80995f9 | 2010-11-28 20:21:27 -0500 | [diff] [blame] | 30 | #include <asm/arch/davinci_misc.h> |
Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 31 | |
Dirk Behme | f2b171c | 2007-09-15 11:55:42 +0200 | [diff] [blame] | 32 | DECLARE_GLOBAL_DATA_PTR; |
| 33 | |
Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 34 | int board_init(void) |
| 35 | { |
Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 36 | /* arch number of the board */ |
| 37 | gd->bd->bi_arch_number = MACH_TYPE_SCHMOOGIE; |
| 38 | |
| 39 | /* address of boot parameters */ |
| 40 | gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR; |
| 41 | |
Hugo Villeneuve | c9a2137 | 2008-11-21 14:35:56 -0500 | [diff] [blame] | 42 | /* Configure AEMIF pins (although this should be configured at boot time |
| 43 | * with pull-up/pull-down resistors) */ |
| 44 | REG(PINMUX0) = 0x00000c1f; |
| 45 | |
| 46 | davinci_errata_workarounds(); |
Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 47 | |
| 48 | /* Power on required peripherals */ |
Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 49 | lpsc_on(DAVINCI_LPSC_GPIO); |
| 50 | |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 51 | #if !defined(CONFIG_SYS_USE_DSPLINK) |
Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 52 | /* Powerup the DSP */ |
| 53 | dsp_on(); |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 54 | #endif /* CONFIG_SYS_USE_DSPLINK */ |
Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 55 | |
Hugo Villeneuve | c9a2137 | 2008-11-21 14:35:56 -0500 | [diff] [blame] | 56 | davinci_enable_uart0(); |
| 57 | davinci_enable_emac(); |
| 58 | davinci_enable_i2c(); |
Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 59 | |
Hugo Villeneuve | c9a2137 | 2008-11-21 14:35:56 -0500 | [diff] [blame] | 60 | lpsc_on(DAVINCI_LPSC_TIMER1); |
Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 61 | timer_init(); |
| 62 | |
| 63 | return(0); |
| 64 | } |
| 65 | |
Hugo Villeneuve | 4e352ef | 2008-07-11 15:10:13 -0400 | [diff] [blame] | 66 | int misc_init_r(void) |
Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 67 | { |
| 68 | u_int8_t tmp[20], buf[10]; |
| 69 | int i = 0; |
Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 70 | |
| 71 | /* Set serial number from UID chip */ |
Hugo Villeneuve | c9a2137 | 2008-11-21 14:35:56 -0500 | [diff] [blame] | 72 | const u_int8_t crc_tbl[256] = { |
Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 73 | 0x00, 0x5e, 0xbc, 0xe2, 0x61, 0x3f, 0xdd, 0x83, |
| 74 | 0xc2, 0x9c, 0x7e, 0x20, 0xa3, 0xfd, 0x1f, 0x41, |
| 75 | 0x9d, 0xc3, 0x21, 0x7f, 0xfc, 0xa2, 0x40, 0x1e, |
| 76 | 0x5f, 0x01, 0xe3, 0xbd, 0x3e, 0x60, 0x82, 0xdc, |
| 77 | 0x23, 0x7d, 0x9f, 0xc1, 0x42, 0x1c, 0xfe, 0xa0, |
| 78 | 0xe1, 0xbf, 0x5d, 0x03, 0x80, 0xde, 0x3c, 0x62, |
| 79 | 0xbe, 0xe0, 0x02, 0x5c, 0xdf, 0x81, 0x63, 0x3d, |
| 80 | 0x7c, 0x22, 0xc0, 0x9e, 0x1d, 0x43, 0xa1, 0xff, |
| 81 | 0x46, 0x18, 0xfa, 0xa4, 0x27, 0x79, 0x9b, 0xc5, |
| 82 | 0x84, 0xda, 0x38, 0x66, 0xe5, 0xbb, 0x59, 0x07, |
| 83 | 0xdb, 0x85, 0x67, 0x39, 0xba, 0xe4, 0x06, 0x58, |
| 84 | 0x19, 0x47, 0xa5, 0xfb, 0x78, 0x26, 0xc4, 0x9a, |
| 85 | 0x65, 0x3b, 0xd9, 0x87, 0x04, 0x5a, 0xb8, 0xe6, |
| 86 | 0xa7, 0xf9, 0x1b, 0x45, 0xc6, 0x98, 0x7a, 0x24, |
| 87 | 0xf8, 0xa6, 0x44, 0x1a, 0x99, 0xc7, 0x25, 0x7b, |
| 88 | 0x3a, 0x64, 0x86, 0xd8, 0x5b, 0x05, 0xe7, 0xb9, |
| 89 | 0x8c, 0xd2, 0x30, 0x6e, 0xed, 0xb3, 0x51, 0x0f, |
| 90 | 0x4e, 0x10, 0xf2, 0xac, 0x2f, 0x71, 0x93, 0xcd, |
| 91 | 0x11, 0x4f, 0xad, 0xf3, 0x70, 0x2e, 0xcc, 0x92, |
| 92 | 0xd3, 0x8d, 0x6f, 0x31, 0xb2, 0xec, 0x0e, 0x50, |
| 93 | 0xaf, 0xf1, 0x13, 0x4d, 0xce, 0x90, 0x72, 0x2c, |
| 94 | 0x6d, 0x33, 0xd1, 0x8f, 0x0c, 0x52, 0xb0, 0xee, |
| 95 | 0x32, 0x6c, 0x8e, 0xd0, 0x53, 0x0d, 0xef, 0xb1, |
| 96 | 0xf0, 0xae, 0x4c, 0x12, 0x91, 0xcf, 0x2d, 0x73, |
| 97 | 0xca, 0x94, 0x76, 0x28, 0xab, 0xf5, 0x17, 0x49, |
| 98 | 0x08, 0x56, 0xb4, 0xea, 0x69, 0x37, 0xd5, 0x8b, |
| 99 | 0x57, 0x09, 0xeb, 0xb5, 0x36, 0x68, 0x8a, 0xd4, |
| 100 | 0x95, 0xcb, 0x29, 0x77, 0xf4, 0xaa, 0x48, 0x16, |
| 101 | 0xe9, 0xb7, 0x55, 0x0b, 0x88, 0xd6, 0x34, 0x6a, |
| 102 | 0x2b, 0x75, 0x97, 0xc9, 0x4a, 0x14, 0xf6, 0xa8, |
| 103 | 0x74, 0x2a, 0xc8, 0x96, 0x15, 0x4b, 0xa9, 0xf7, |
| 104 | 0xb6, 0xe8, 0x0a, 0x54, 0xd7, 0x89, 0x6b, 0x35 |
| 105 | }; |
| 106 | |
Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 107 | /* Set serial number from UID chip */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 108 | if (i2c_read(CONFIG_SYS_UID_ADDR, 0, 1, buf, 8)) { |
| 109 | printf("\nUID @ 0x%02x read FAILED!!!\n", CONFIG_SYS_UID_ADDR); |
Wolfgang Denk | e577b65 | 2010-10-05 21:17:28 +0200 | [diff] [blame] | 110 | setenv("serial#", "FAILED"); |
Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 111 | } else { |
Hugo Villeneuve | 4e352ef | 2008-07-11 15:10:13 -0400 | [diff] [blame] | 112 | if (buf[0] != 0x70) { |
| 113 | /* Device Family Code */ |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 114 | printf("\nUID @ 0x%02x read FAILED!!!\n", CONFIG_SYS_UID_ADDR); |
Wolfgang Denk | e577b65 | 2010-10-05 21:17:28 +0200 | [diff] [blame] | 115 | setenv("serial#", "FAILED"); |
Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 116 | } |
| 117 | } |
| 118 | /* Now check CRC */ |
| 119 | tmp[0] = 0; |
| 120 | for (i = 0; i < 8; i++) |
| 121 | tmp[0] = crc_tbl[tmp[0] ^ buf[i]]; |
| 122 | |
| 123 | if (tmp[0] != 0) { |
Jean-Christophe PLAGNIOL-VILLARD | 0383694 | 2008-10-16 15:01:15 +0200 | [diff] [blame] | 124 | printf("\nUID @ 0x%02x - BAD CRC!!!\n", CONFIG_SYS_UID_ADDR); |
Wolfgang Denk | e577b65 | 2010-10-05 21:17:28 +0200 | [diff] [blame] | 125 | setenv("serial#", "FAILED"); |
Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 126 | } else { |
| 127 | /* CRC OK, set "serial" env variable */ |
ksi@koi8.net | 1d41ce4 | 2007-08-14 10:02:16 -0700 | [diff] [blame] | 128 | sprintf((char *)&tmp[0], "%02x%02x%02x%02x%02x%02x", |
Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 129 | buf[6], buf[5], buf[4], buf[3], buf[2], buf[1]); |
Wolfgang Denk | e577b65 | 2010-10-05 21:17:28 +0200 | [diff] [blame] | 130 | setenv("serial#", (char *)&tmp[0]); |
Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 131 | } |
| 132 | |
Sergey Kubushyn | e8f3912 | 2007-08-10 20:26:18 +0200 | [diff] [blame] | 133 | return(0); |
| 134 | } |