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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 | * ---------------------------------------------------------------------------- | |
1a459660 | 11 | * SPDX-License-Identifier: GPL-2.0+ |
c74b2108 SK |
12 | * ---------------------------------------------------------------------------- |
13 | */ | |
14 | ||
15 | #include <common.h> | |
16 | #include <i2c.h> | |
17 | #include <asm/arch/hardware.h> | |
d7f9b503 | 18 | #include <asm/arch/davinci_misc.h> |
c74b2108 | 19 | |
66b3f24d DB |
20 | DECLARE_GLOBAL_DATA_PTR; |
21 | ||
c74b2108 SK |
22 | int board_init(void) |
23 | { | |
c74b2108 SK |
24 | /* address of boot parameters */ |
25 | gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR; | |
26 | ||
0cd18fa9 HV |
27 | /* Configure AEMIF pins (although this should be configured at boot time |
28 | * with pull-up/pull-down resistors) */ | |
29 | REG(PINMUX0) = 0x00000c1f; | |
30 | ||
31 | davinci_errata_workarounds(); | |
c74b2108 SK |
32 | |
33 | /* Power on required peripherals */ | |
c74b2108 SK |
34 | lpsc_on(DAVINCI_LPSC_GPIO); |
35 | ||
6d0f6bcf | 36 | #if !defined(CONFIG_SYS_USE_DSPLINK) |
c74b2108 SK |
37 | /* Powerup the DSP */ |
38 | dsp_on(); | |
6d0f6bcf | 39 | #endif /* CONFIG_SYS_USE_DSPLINK */ |
c74b2108 | 40 | |
0cd18fa9 HV |
41 | davinci_enable_uart0(); |
42 | davinci_enable_emac(); | |
43 | davinci_enable_i2c(); | |
c74b2108 | 44 | |
0cd18fa9 | 45 | lpsc_on(DAVINCI_LPSC_TIMER1); |
c74b2108 SK |
46 | timer_init(); |
47 | ||
48 | return(0); | |
49 | } | |
50 | ||
264bbdd1 | 51 | int misc_init_r(void) |
c74b2108 SK |
52 | { |
53 | u_int8_t tmp[20], buf[10]; | |
54 | int i = 0; | |
c74b2108 SK |
55 | |
56 | /* Set serial number from UID chip */ | |
0cd18fa9 | 57 | const u_int8_t crc_tbl[256] = { |
c74b2108 SK |
58 | 0x00, 0x5e, 0xbc, 0xe2, 0x61, 0x3f, 0xdd, 0x83, |
59 | 0xc2, 0x9c, 0x7e, 0x20, 0xa3, 0xfd, 0x1f, 0x41, | |
60 | 0x9d, 0xc3, 0x21, 0x7f, 0xfc, 0xa2, 0x40, 0x1e, | |
61 | 0x5f, 0x01, 0xe3, 0xbd, 0x3e, 0x60, 0x82, 0xdc, | |
62 | 0x23, 0x7d, 0x9f, 0xc1, 0x42, 0x1c, 0xfe, 0xa0, | |
63 | 0xe1, 0xbf, 0x5d, 0x03, 0x80, 0xde, 0x3c, 0x62, | |
64 | 0xbe, 0xe0, 0x02, 0x5c, 0xdf, 0x81, 0x63, 0x3d, | |
65 | 0x7c, 0x22, 0xc0, 0x9e, 0x1d, 0x43, 0xa1, 0xff, | |
66 | 0x46, 0x18, 0xfa, 0xa4, 0x27, 0x79, 0x9b, 0xc5, | |
67 | 0x84, 0xda, 0x38, 0x66, 0xe5, 0xbb, 0x59, 0x07, | |
68 | 0xdb, 0x85, 0x67, 0x39, 0xba, 0xe4, 0x06, 0x58, | |
69 | 0x19, 0x47, 0xa5, 0xfb, 0x78, 0x26, 0xc4, 0x9a, | |
70 | 0x65, 0x3b, 0xd9, 0x87, 0x04, 0x5a, 0xb8, 0xe6, | |
71 | 0xa7, 0xf9, 0x1b, 0x45, 0xc6, 0x98, 0x7a, 0x24, | |
72 | 0xf8, 0xa6, 0x44, 0x1a, 0x99, 0xc7, 0x25, 0x7b, | |
73 | 0x3a, 0x64, 0x86, 0xd8, 0x5b, 0x05, 0xe7, 0xb9, | |
74 | 0x8c, 0xd2, 0x30, 0x6e, 0xed, 0xb3, 0x51, 0x0f, | |
75 | 0x4e, 0x10, 0xf2, 0xac, 0x2f, 0x71, 0x93, 0xcd, | |
76 | 0x11, 0x4f, 0xad, 0xf3, 0x70, 0x2e, 0xcc, 0x92, | |
77 | 0xd3, 0x8d, 0x6f, 0x31, 0xb2, 0xec, 0x0e, 0x50, | |
78 | 0xaf, 0xf1, 0x13, 0x4d, 0xce, 0x90, 0x72, 0x2c, | |
79 | 0x6d, 0x33, 0xd1, 0x8f, 0x0c, 0x52, 0xb0, 0xee, | |
80 | 0x32, 0x6c, 0x8e, 0xd0, 0x53, 0x0d, 0xef, 0xb1, | |
81 | 0xf0, 0xae, 0x4c, 0x12, 0x91, 0xcf, 0x2d, 0x73, | |
82 | 0xca, 0x94, 0x76, 0x28, 0xab, 0xf5, 0x17, 0x49, | |
83 | 0x08, 0x56, 0xb4, 0xea, 0x69, 0x37, 0xd5, 0x8b, | |
84 | 0x57, 0x09, 0xeb, 0xb5, 0x36, 0x68, 0x8a, 0xd4, | |
85 | 0x95, 0xcb, 0x29, 0x77, 0xf4, 0xaa, 0x48, 0x16, | |
86 | 0xe9, 0xb7, 0x55, 0x0b, 0x88, 0xd6, 0x34, 0x6a, | |
87 | 0x2b, 0x75, 0x97, 0xc9, 0x4a, 0x14, 0xf6, 0xa8, | |
88 | 0x74, 0x2a, 0xc8, 0x96, 0x15, 0x4b, 0xa9, 0xf7, | |
89 | 0xb6, 0xe8, 0x0a, 0x54, 0xd7, 0x89, 0x6b, 0x35 | |
90 | }; | |
91 | ||
c74b2108 | 92 | /* Set serial number from UID chip */ |
6d0f6bcf JCPV |
93 | if (i2c_read(CONFIG_SYS_UID_ADDR, 0, 1, buf, 8)) { |
94 | printf("\nUID @ 0x%02x read FAILED!!!\n", CONFIG_SYS_UID_ADDR); | |
b6e7bd97 | 95 | setenv("serial#", "FAILED"); |
c74b2108 | 96 | } else { |
264bbdd1 HV |
97 | if (buf[0] != 0x70) { |
98 | /* Device Family Code */ | |
6d0f6bcf | 99 | printf("\nUID @ 0x%02x read FAILED!!!\n", CONFIG_SYS_UID_ADDR); |
b6e7bd97 | 100 | setenv("serial#", "FAILED"); |
c74b2108 SK |
101 | } |
102 | } | |
103 | /* Now check CRC */ | |
104 | tmp[0] = 0; | |
105 | for (i = 0; i < 8; i++) | |
106 | tmp[0] = crc_tbl[tmp[0] ^ buf[i]]; | |
107 | ||
108 | if (tmp[0] != 0) { | |
6d0f6bcf | 109 | printf("\nUID @ 0x%02x - BAD CRC!!!\n", CONFIG_SYS_UID_ADDR); |
b6e7bd97 | 110 | setenv("serial#", "FAILED"); |
c74b2108 SK |
111 | } else { |
112 | /* CRC OK, set "serial" env variable */ | |
b361acd6 | 113 | sprintf((char *)&tmp[0], "%02x%02x%02x%02x%02x%02x", |
c74b2108 | 114 | buf[6], buf[5], buf[4], buf[3], buf[2], buf[1]); |
b6e7bd97 | 115 | setenv("serial#", (char *)&tmp[0]); |
c74b2108 SK |
116 | } |
117 | ||
c74b2108 SK |
118 | return(0); |
119 | } |