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include/configs: drop default definitions of CONFIG_SYS_MAXARGS
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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 #include <linux/sizes.h>
24
25 #if defined(CONFIG_SPL_BUILD)
26 #define CONFIG_SYS_ICACHE_OFF
27 #define CONFIG_SYS_DCACHE_OFF
28 #endif
29 /*
30 * Warning: changing CONFIG_SYS_TEXT_BASE requires
31 * adapting the initial boot program.
32 * Since the linker has to swallow that define, we must use a pure
33 * hex number here!
34 */
35
36 #define CONFIG_SYS_TEXT_BASE 0x21000000
37
38 /* ARM asynchronous clock */
39 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
40 #define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */
41
42 /* Misc CPU related */
43 #define CONFIG_ARCH_CPU_INIT
44 #define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
45 #define CONFIG_SETUP_MEMORY_TAGS
46 #define CONFIG_INITRD_TAG
47 #define CONFIG_SKIP_LOWLEVEL_INIT_ONLY
48
49 /* general purpose I/O */
50 #define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
51 #define CONFIG_AT91_GPIO
52 #define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
53
54 /* serial console */
55 #define CONFIG_ATMEL_USART
56 #define CONFIG_USART_BASE ATMEL_BASE_DBGU
57 #define CONFIG_USART_ID ATMEL_ID_SYS
58
59
60 /*
61 * SDRAM: 1 bank, min 32, max 128 MB
62 * Initialized before u-boot gets started.
63 */
64 #define CONFIG_NR_DRAM_BANKS 1
65 #define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
66 #define CONFIG_SYS_SDRAM_SIZE (128 * SZ_1M)
67
68 /*
69 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
70 * leaving the correct space for initial global data structure above
71 * that address while providing maximum stack area below.
72 */
73 #define CONFIG_SYS_INIT_SP_ADDR \
74 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
75
76 /* NAND flash */
77 #ifdef CONFIG_CMD_NAND
78 #define CONFIG_NAND_ATMEL
79 #define CONFIG_SYS_MAX_NAND_DEVICE 1
80 #define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
81 #define CONFIG_SYS_NAND_DBW_8
82 #define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
83 #define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
84 #define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
85 #define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
86 #endif
87
88 /* Ethernet */
89 #define CONFIG_MACB
90 #define CONFIG_RMII
91 #define CONFIG_AT91_WANTS_COMMON_PHY
92
93 #define CONFIG_AT91SAM9_WATCHDOG
94 #define CONFIG_AT91_HW_WDT_TIMEOUT 15
95 #if !defined(CONFIG_SPL_BUILD)
96 /* Enable the watchdog */
97 #define CONFIG_HW_WATCHDOG
98 #endif
99
100 /* USB */
101 #if defined(CONFIG_BOARD_TAURUS)
102 #define CONFIG_USB_ATMEL
103 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
104 #define CONFIG_USB_OHCI_NEW
105 #define CONFIG_SYS_USB_OHCI_CPU_INIT
106 #define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000
107 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
108 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
109
110 /* USB DFU support */
111 #define CONFIG_MTD_DEVICE
112 #define CONFIG_MTD_PARTITIONS
113
114 #define CONFIG_USB_GADGET_AT91
115
116 /* DFU class support */
117 #define CONFIG_SYS_DFU_DATA_BUF_SIZE (SZ_1M)
118 #define DFU_MANIFEST_POLL_TIMEOUT 25000
119 #endif
120
121 /* SPI EEPROM */
122 #define CONFIG_SPI
123 #define CONFIG_ATMEL_SPI
124 #define TAURUS_SPI_MASK (1 << 4)
125 #define TAURUS_SPI_CS_PIN AT91_PIN_PA3
126
127 #if defined(CONFIG_SPL_BUILD)
128 /* SPL related */
129 #define CONFIG_SPL_SPI_LOAD
130 #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000
131
132 #define CONFIG_SF_DEFAULT_BUS 0
133 #define CONFIG_SF_DEFAULT_SPEED 1000000
134 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_3
135 #endif
136
137 /* load address */
138 #define CONFIG_SYS_LOAD_ADDR 0x22000000
139
140 /* bootstrap in spi flash , u-boot + env + linux in nandflash */
141 #define CONFIG_ENV_OFFSET 0x100000
142 #define CONFIG_ENV_OFFSET_REDUND 0x180000
143 #define CONFIG_ENV_SIZE (SZ_128K) /* 1 sector = 128 kB */
144 #define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm"
145
146 #define CONFIG_SYS_LONGHELP
147 #define CONFIG_CMDLINE_EDITING
148 #define CONFIG_AUTO_COMPLETE
149
150 /*
151 * Size of malloc() pool
152 */
153 #define CONFIG_SYS_MALLOC_LEN \
154 ROUND(3 * CONFIG_ENV_SIZE + SZ_4M, 0x1000)
155
156 /* Defines for SPL */
157 #define CONFIG_SPL_FRAMEWORK
158 #define CONFIG_SPL_TEXT_BASE 0x0
159 #define CONFIG_SPL_MAX_SIZE (31 * SZ_512)
160 #define CONFIG_SPL_STACK (ATMEL_BASE_SRAM1 + SZ_16K)
161 #define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SYS_TEXT_BASE - \
162 CONFIG_SYS_MALLOC_LEN)
163 #define CONFIG_SYS_SPL_MALLOC_SIZE CONFIG_SYS_MALLOC_LEN
164
165 #define CONFIG_SPL_BSS_START_ADDR CONFIG_SPL_MAX_SIZE
166 #define CONFIG_SPL_BSS_MAX_SIZE (3 * SZ_512)
167
168 #define CONFIG_SYS_NAND_ENABLE_PIN_SPL (2*32 + 14)
169 #define CONFIG_SYS_USE_NANDFLASH 1
170 #define CONFIG_SPL_NAND_DRIVERS
171 #define CONFIG_SPL_NAND_BASE
172 #define CONFIG_SPL_NAND_ECC
173 #define CONFIG_SPL_NAND_RAW_ONLY
174 #define CONFIG_SPL_NAND_SOFTECC
175 #define CONFIG_SYS_NAND_U_BOOT_OFFS 0x20000
176 #define CONFIG_SYS_NAND_U_BOOT_SIZE SZ_512K
177 #define CONFIG_SYS_NAND_U_BOOT_START CONFIG_SYS_TEXT_BASE
178 #define CONFIG_SYS_NAND_U_BOOT_DST CONFIG_SYS_TEXT_BASE
179 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
180
181 #define CONFIG_SYS_NAND_SIZE (256 * SZ_1M)
182 #define CONFIG_SYS_NAND_PAGE_SIZE SZ_2K
183 #define CONFIG_SYS_NAND_BLOCK_SIZE (SZ_128K)
184 #define CONFIG_SYS_NAND_PAGE_COUNT (CONFIG_SYS_NAND_BLOCK_SIZE / \
185 CONFIG_SYS_NAND_PAGE_SIZE)
186 #define CONFIG_SYS_NAND_BAD_BLOCK_POS NAND_LARGE_BADBLOCK_POS
187 #define CONFIG_SYS_NAND_ECCSIZE 256
188 #define CONFIG_SYS_NAND_ECCBYTES 3
189 #define CONFIG_SYS_NAND_OOBSIZE 64
190 #define CONFIG_SYS_NAND_ECCPOS { 40, 41, 42, 43, 44, 45, 46, 47, \
191 48, 49, 50, 51, 52, 53, 54, 55, \
192 56, 57, 58, 59, 60, 61, 62, 63, }
193
194 #define CONFIG_SPL_ATMEL_SIZE
195 #define CONFIG_SYS_MASTER_CLOCK 132096000
196 #define AT91_PLL_LOCK_TIMEOUT 1000000
197 #define CONFIG_SYS_AT91_PLLA 0x202A3F01
198 #define CONFIG_SYS_MCKR 0x1300
199 #define CONFIG_SYS_MCKR_CSS (0x02 | CONFIG_SYS_MCKR)
200 #define CONFIG_SYS_AT91_PLLB 0x10193F05
201
202 #endif