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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> | |
154b5484 DB |
16 | #include <nand.h> |
17 | #include <asm/arch/nand_defs.h> | |
c74b2108 | 18 | #include <asm/arch/hardware.h> |
d7f9b503 | 19 | #include <asm/arch/davinci_misc.h> |
c74b2108 | 20 | |
66b3f24d DB |
21 | DECLARE_GLOBAL_DATA_PTR; |
22 | ||
c74b2108 SK |
23 | int board_init(void) |
24 | { | |
c74b2108 SK |
25 | /* address of boot parameters */ |
26 | gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR; | |
27 | ||
0cd18fa9 HV |
28 | /* Configure AEMIF pins (although this should be configured at boot time |
29 | * with pull-up/pull-down resistors) */ | |
30 | REG(PINMUX0) = 0x00000c1f; | |
31 | ||
32 | davinci_errata_workarounds(); | |
c74b2108 SK |
33 | |
34 | /* Power on required peripherals */ | |
c74b2108 SK |
35 | lpsc_on(DAVINCI_LPSC_GPIO); |
36 | ||
6d0f6bcf | 37 | #if !defined(CONFIG_SYS_USE_DSPLINK) |
c74b2108 SK |
38 | /* Powerup the DSP */ |
39 | dsp_on(); | |
6d0f6bcf | 40 | #endif /* CONFIG_SYS_USE_DSPLINK */ |
c74b2108 | 41 | |
0cd18fa9 HV |
42 | davinci_enable_uart0(); |
43 | davinci_enable_emac(); | |
44 | davinci_enable_i2c(); | |
c74b2108 | 45 | |
0cd18fa9 | 46 | lpsc_on(DAVINCI_LPSC_TIMER1); |
c74b2108 SK |
47 | timer_init(); |
48 | ||
49 | return(0); | |
50 | } | |
51 | ||
264bbdd1 | 52 | int misc_init_r(void) |
c74b2108 | 53 | { |
264bbdd1 | 54 | uint8_t eeprom_enetaddr[6]; |
c74b2108 | 55 | |
264bbdd1 HV |
56 | /* Read Ethernet MAC address from EEPROM if available. */ |
57 | if (dvevm_read_mac_address(eeprom_enetaddr)) | |
7b37a27e | 58 | davinci_sync_env_enetaddr(eeprom_enetaddr); |
c74b2108 | 59 | |
c74b2108 SK |
60 | return(0); |
61 | } | |
154b5484 DB |
62 | |
63 | #ifdef CONFIG_NAND_DAVINCI | |
64 | ||
65 | /* Set WP on deselect, write enable on select */ | |
66 | static void nand_sonata_select_chip(struct mtd_info *mtd, int chip) | |
67 | { | |
68 | #define GPIO_SET_DATA01 0x01c67018 | |
69 | #define GPIO_CLR_DATA01 0x01c6701c | |
70 | #define GPIO_NAND_WP (1 << 4) | |
71 | #ifdef SONATA_BOARD_GPIOWP | |
72 | if (chip < 0) { | |
73 | REG(GPIO_CLR_DATA01) |= GPIO_NAND_WP; | |
74 | } else { | |
75 | REG(GPIO_SET_DATA01) |= GPIO_NAND_WP; | |
76 | } | |
77 | #endif | |
78 | } | |
79 | ||
80 | int board_nand_init(struct nand_chip *nand) | |
81 | { | |
82 | davinci_nand_init(nand); | |
83 | nand->select_chip = nand_sonata_select_chip; | |
84 | return 0; | |
85 | } | |
86 | ||
87 | #endif /* CONFIG_NAND_DAVINCI */ |