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1/*
2 * Common board functions for Siemens TAURUS (AT91SAM9G20) based boards
3 * (C) Copyright 2013 Siemens AG
4 *
5 * Based on:
6 * U-Boot file: include/configs/at91sam9260ek.h
7 *
8 * (C) Copyright 2007-2008
9 * Stelian Pop <stelian@popies.net>
10 * Lead Tech Design <www.leadtechdesign.com>
11 *
12 * SPDX-License-Identifier: GPL-2.0+
13 */
14
15#ifndef __CONFIG_H
16#define __CONFIG_H
17
18/*
19 * SoC must be defined first, before hardware.h is included.
20 * In this case SoC is defined in boards.cfg.
21 */
22#include <asm/hardware.h>
23
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24#define CONFIG_SYS_GENERIC_BOARD
25
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26#if defined(CONFIG_SPL_BUILD)
27#define CONFIG_SYS_THUMB_BUILD
28#define CONFIG_SYS_ICACHE_OFF
29#define CONFIG_SYS_DCACHE_OFF
30#endif
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31/*
32 * Warning: changing CONFIG_SYS_TEXT_BASE requires
33 * adapting the initial boot program.
34 * Since the linker has to swallow that define, we must use a pure
35 * hex number here!
36 */
37
38
237e3793 39#define CONFIG_SYS_TEXT_BASE 0x21000000
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40
41/* ARM asynchronous clock */
42#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
43#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */
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44
45/* Misc CPU related */
46#define CONFIG_ARCH_CPU_INIT
47#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
48#define CONFIG_SETUP_MEMORY_TAGS
49#define CONFIG_INITRD_TAG
50#define CONFIG_SKIP_LOWLEVEL_INIT
51#define CONFIG_BOARD_EARLY_INIT_F
52#define CONFIG_DISPLAY_CPUINFO
53
54#define CONFIG_CMD_BOOTZ
55#define CONFIG_OF_LIBFDT
56
57/* general purpose I/O */
58#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
59#define CONFIG_AT91_GPIO
60#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
61
62/* serial console */
63#define CONFIG_ATMEL_USART
64#define CONFIG_USART_BASE ATMEL_BASE_DBGU
65#define CONFIG_USART_ID ATMEL_ID_SYS
66#define CONFIG_BAUDRATE 115200
67
68#define CONFIG_BOOTDELAY 3
69
70/*
71 * Command line configuration.
72 */
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73#define CONFIG_CMD_PING
74#define CONFIG_CMD_DHCP
75#define CONFIG_CMD_NAND
76
77/*
78 * SDRAM: 1 bank, min 32, max 128 MB
79 * Initialized before u-boot gets started.
80 */
81#define CONFIG_NR_DRAM_BANKS 1
82#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
83#define CONFIG_SYS_SDRAM_SIZE (128 * 1024 * 1024)
84
85/*
86 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
87 * leaving the correct space for initial global data structure above
88 * that address while providing maximum stack area below.
89 */
90# define CONFIG_SYS_INIT_SP_ADDR \
91 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
92
93/* NAND flash */
94#ifdef CONFIG_CMD_NAND
95#define CONFIG_NAND_ATMEL
96#define CONFIG_SYS_MAX_NAND_DEVICE 1
97#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
98#define CONFIG_SYS_NAND_DBW_8
99#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
100#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
101#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
102#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
103#endif
104
105/* NOR flash - no real flash on this board */
106#define CONFIG_SYS_NO_FLASH 1
107
108/* Ethernet */
109#define CONFIG_MACB
110#define CONFIG_RMII
111#define CONFIG_AT91_WANTS_COMMON_PHY
112
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113#define CONFIG_AT91SAM9_WATCHDOG
114#if !defined(CONFIG_SPL_BUILD)
115/* Enable the watchdog */
116#define CONFIG_HW_WATCHDOG
117#endif
118
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119/* USB */
120#if defined(CONFIG_BOARD_TAURUS)
121#define CONFIG_USB_ATMEL
122#define CONFIG_USB_OHCI_NEW
123#define CONFIG_SYS_USB_OHCI_CPU_INIT
124#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000
125#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
126#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
127#define CONFIG_USB_STORAGE
128#endif
129
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130/* SPI EEPROM */
131#define CONFIG_SPI
132#define CONFIG_CMD_SPI
133#define CONFIG_CMD_SF
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134#define CONFIG_ATMEL_SPI
135#define CONFIG_SPI_FLASH_STMICRO
136#define TAURUS_SPI_MASK (1 << 4)
137#define TAURUS_SPI_CS_PIN AT91_PIN_PA3
138
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139#if defined(CONFIG_SPL_BUILD)
140/* SPL related */
141#undef CONFIG_SPL_OS_BOOT /* Not supported by existing map */
142#define CONFIG_SPL_SPI_SUPPORT
143#define CONFIG_SPL_SPI_FLASH_SUPPORT
144#define CONFIG_SPL_SPI_LOAD
145#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000
146
147#define CONFIG_SF_DEFAULT_BUS 0
148#define CONFIG_SF_DEFAULT_SPEED 10000000
149#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
150#endif
151
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152/* load address */
153#define CONFIG_SYS_LOAD_ADDR 0x22000000
154
155/* bootstrap in spi flash , u-boot + env + linux in nandflash */
156#define CONFIG_ENV_IS_IN_NAND
157#define CONFIG_ENV_OFFSET 0x100000
158#define CONFIG_ENV_OFFSET_REDUND 0x180000
159#define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
160#define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm"
161#define CONFIG_BOOTARGS \
162 "console=ttyS0,115200 earlyprintk " \
163 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
164 "256k(env),256k(env_redundant),256k(spare)," \
165 "512k(dtb),6M(kernel)ro,-(rootfs) " \
166 "root=/dev/mtdblock7 rw rootfstype=jffs2"
167
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168#define CONFIG_SYS_CBSIZE 256
169#define CONFIG_SYS_MAXARGS 16
170#define CONFIG_SYS_PBSIZE \
171 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
172#define CONFIG_SYS_LONGHELP
173#define CONFIG_CMDLINE_EDITING
174#define CONFIG_AUTO_COMPLETE
175
176/*
177 * Size of malloc() pool
178 */
179#define CONFIG_SYS_MALLOC_LEN \
180 ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
181
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182/* Defines for SPL */
183#define CONFIG_SPL_FRAMEWORK
184#define CONFIG_SPL_TEXT_BASE 0x0
a1655bb2 185#define CONFIG_SPL_MAX_SIZE (14 * 1024)
237e3793 186#define CONFIG_SPL_STACK (16 * 1024)
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187#define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SYS_TEXT_BASE - \
188 CONFIG_SYS_MALLOC_LEN)
189#define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN
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190
191#define CONFIG_SPL_BSS_START_ADDR CONFIG_SPL_MAX_SIZE
192#define CONFIG_SPL_BSS_MAX_SIZE (3 * 1024)
193
194#define CONFIG_SPL_LIBCOMMON_SUPPORT
195#define CONFIG_SPL_LIBGENERIC_SUPPORT
196#define CONFIG_SPL_SERIAL_SUPPORT
197
198#define CONFIG_SPL_BOARD_INIT
199#define CONFIG_SPL_GPIO_SUPPORT
200#define CONFIG_SYS_NAND_ENABLE_PIN_SPL (2*32 + 14)
201#define CONFIG_SPL_NAND_SUPPORT
202#define CONFIG_SYS_USE_NANDFLASH 1
203#define CONFIG_SPL_NAND_DRIVERS
204#define CONFIG_SPL_NAND_BASE
205#define CONFIG_SPL_NAND_ECC
206#define CONFIG_SPL_NAND_RAW_ONLY
207#define CONFIG_SPL_NAND_SOFTECC
208#define CONFIG_SYS_NAND_U_BOOT_OFFS 0x20000
209#define CONFIG_SYS_NAND_U_BOOT_SIZE 0x80000
210#define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
211#define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE
212#define CONFIG_SYS_NAND_5_ADDR_CYCLE
213
214#define CONFIG_SYS_NAND_SIZE (256*1024*1024)
215#define CONFIG_SYS_NAND_PAGE_SIZE 2048
216#define CONFIG_SYS_NAND_BLOCK_SIZE (128*1024)
217#define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \
218 CONFIG_SYS_NAND_PAGE_SIZE)
219#define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
220#define CONFIG_SYS_NAND_ECCSIZE 256
221#define CONFIG_SYS_NAND_ECCBYTES 3
222#define CONFIG_SYS_NAND_OOBSIZE 64
223#define CONFIG_SYS_NAND_ECCPOS { 40, 41, 42, 43, 44, 45, 46, 47, \
224 48, 49, 50, 51, 52, 53, 54, 55, \
225 56, 57, 58, 59, 60, 61, 62, 63, }
226
227
228#define CONFIG_SPL_ATMEL_SIZE
229#define CONFIG_SYS_MASTER_CLOCK 132096000
230#define AT91_PLL_LOCK_TIMEOUT 1000000
231#define CONFIG_SYS_AT91_PLLA 0x202A3F01
232#define CONFIG_SYS_MCKR 0x1300
233#define CONFIG_SYS_MCKR_CSS (0x02 | CONFIG_SYS_MCKR)
234#define CONFIG_SYS_AT91_PLLB 0x10193F05
0f8bc283 235#endif