xref: /openbmc/u-boot/include/configs/taurus.h (revision 1603bf3c)
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 
24 #define MACH_TYPE_TAURUS		2067
25 #define MACH_TYPE_AXM			2068
26 
27 #define CONFIG_SYS_GENERIC_BOARD
28 
29 #if defined(CONFIG_SPL_BUILD)
30 #define CONFIG_SYS_THUMB_BUILD
31 #define CONFIG_SYS_ICACHE_OFF
32 #define CONFIG_SYS_DCACHE_OFF
33 #endif
34 /*
35  * Warning: changing CONFIG_SYS_TEXT_BASE requires
36  * adapting the initial boot program.
37  * Since the linker has to swallow that define, we must use a pure
38  * hex number here!
39  */
40 
41 
42 #define CONFIG_SYS_TEXT_BASE		0x21000000
43 
44 /* ARM asynchronous clock */
45 #define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
46 #define CONFIG_SYS_AT91_MAIN_CLOCK	18432000	/* main clock xtal */
47 
48 /* Misc CPU related */
49 #define CONFIG_ARCH_CPU_INIT
50 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs */
51 #define CONFIG_SETUP_MEMORY_TAGS
52 #define CONFIG_INITRD_TAG
53 #define CONFIG_SKIP_LOWLEVEL_INIT
54 #define CONFIG_BOARD_EARLY_INIT_F
55 #define CONFIG_DISPLAY_CPUINFO
56 
57 #define CONFIG_CMD_BOOTZ
58 #define CONFIG_OF_LIBFDT
59 
60 /* general purpose I/O */
61 #define CONFIG_ATMEL_LEGACY		/* required until (g)pio is fixed */
62 #define CONFIG_AT91_GPIO
63 #define CONFIG_AT91_GPIO_PULLUP	1	/* keep pullups on peripheral pins */
64 
65 /* serial console */
66 #define CONFIG_ATMEL_USART
67 #define CONFIG_USART_BASE		ATMEL_BASE_DBGU
68 #define CONFIG_USART_ID			ATMEL_ID_SYS
69 #define CONFIG_BAUDRATE			115200
70 
71 #define CONFIG_BOOTDELAY	3
72 
73 /*
74  * Command line configuration.
75  */
76 #include <config_cmd_default.h>
77 #undef CONFIG_CMD_BDI
78 #undef CONFIG_CMD_FPGA
79 #undef CONFIG_CMD_IMI
80 #undef CONFIG_CMD_IMLS
81 #undef CONFIG_CMD_LOADS
82 #undef CONFIG_CMD_SOURCE
83 
84 #define CONFIG_CMD_PING
85 #define CONFIG_CMD_DHCP
86 #define CONFIG_CMD_NAND
87 
88 /*
89  * SDRAM: 1 bank, min 32, max 128 MB
90  * Initialized before u-boot gets started.
91  */
92 #define CONFIG_NR_DRAM_BANKS		1
93 #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
94 #define CONFIG_SYS_SDRAM_SIZE		(128 * 1024 * 1024)
95 
96 /*
97  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
98  * leaving the correct space for initial global data structure above
99  * that address while providing maximum stack area below.
100  */
101 # define CONFIG_SYS_INIT_SP_ADDR \
102 	(ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
103 
104 /* NAND flash */
105 #ifdef CONFIG_CMD_NAND
106 #define CONFIG_NAND_ATMEL
107 #define CONFIG_SYS_MAX_NAND_DEVICE	1
108 #define CONFIG_SYS_NAND_BASE		ATMEL_BASE_CS3
109 #define CONFIG_SYS_NAND_DBW_8
110 #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21)
111 #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22)
112 #define CONFIG_SYS_NAND_ENABLE_PIN	AT91_PIN_PC14
113 #define CONFIG_SYS_NAND_READY_PIN	AT91_PIN_PC13
114 #endif
115 
116 /* NOR flash - no real flash on this board */
117 #define CONFIG_SYS_NO_FLASH			1
118 
119 /* Ethernet */
120 #define CONFIG_MACB
121 #define CONFIG_RMII
122 #define CONFIG_AT91_WANTS_COMMON_PHY
123 
124 /* USB */
125 #if defined(CONFIG_BOARD_TAURUS)
126 #define CONFIG_USB_ATMEL
127 #define CONFIG_USB_OHCI_NEW
128 #define CONFIG_SYS_USB_OHCI_CPU_INIT
129 #define CONFIG_SYS_USB_OHCI_REGS_BASE		0x00500000
130 #define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91sam9260"
131 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	2
132 #define CONFIG_USB_STORAGE
133 #endif
134 
135 /* SPI EEPROM */
136 #define CONFIG_SPI
137 #define CONFIG_CMD_SPI
138 #define CONFIG_CMD_SF
139 #define CONFIG_SPI_FLASH
140 #define CONFIG_ATMEL_SPI
141 #define CONFIG_SPI_FLASH_STMICRO
142 #define TAURUS_SPI_MASK (1 << 4)
143 #define TAURUS_SPI_CS_PIN	AT91_PIN_PA3
144 
145 #if defined(CONFIG_SPL_BUILD)
146 /* SPL related */
147 #undef CONFIG_SPL_OS_BOOT		/* Not supported by existing map */
148 #define CONFIG_SPL_SPI_SUPPORT
149 #define CONFIG_SPL_SPI_FLASH_SUPPORT
150 #define CONFIG_SPL_SPI_LOAD
151 #define CONFIG_SYS_SPI_U_BOOT_OFFS	0x20000
152 
153 #define CONFIG_SF_DEFAULT_BUS 0
154 #define CONFIG_SF_DEFAULT_SPEED 10000000
155 #define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
156 #endif
157 
158 /* load address */
159 #define CONFIG_SYS_LOAD_ADDR			0x22000000
160 
161 /* bootstrap in spi flash , u-boot + env + linux in nandflash */
162 #define CONFIG_ENV_IS_IN_NAND
163 #define CONFIG_ENV_OFFSET		0x100000
164 #define CONFIG_ENV_OFFSET_REDUND	0x180000
165 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
166 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x300000; bootm"
167 #define CONFIG_BOOTARGS							\
168 	"console=ttyS0,115200 earlyprintk "				\
169 	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
170 	"256k(env),256k(env_redundant),256k(spare),"			\
171 	"512k(dtb),6M(kernel)ro,-(rootfs) "				\
172 	"root=/dev/mtdblock7 rw rootfstype=jffs2"
173 
174 #define CONFIG_SYS_PROMPT		"U-Boot> "
175 #define CONFIG_SYS_CBSIZE		256
176 #define CONFIG_SYS_MAXARGS		16
177 #define CONFIG_SYS_PBSIZE \
178 	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
179 #define CONFIG_SYS_LONGHELP
180 #define CONFIG_CMDLINE_EDITING
181 #define CONFIG_AUTO_COMPLETE
182 
183 /*
184  * Size of malloc() pool
185  */
186 #define CONFIG_SYS_MALLOC_LEN \
187 	ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
188 
189 /* Defines for SPL */
190 #define CONFIG_SPL_FRAMEWORK
191 #define CONFIG_SPL_TEXT_BASE		0x0
192 #define CONFIG_SPL_MAX_SIZE		(14 * 1024)
193 #define CONFIG_SPL_STACK		(16 * 1024)
194 #define CONFIG_SYS_SPL_MALLOC_START     (CONFIG_SYS_TEXT_BASE - \
195 					CONFIG_SYS_MALLOC_LEN)
196 #define CONFIG_SYS_SPL_MALLOC_SIZE      CONFIG_SYS_MALLOC_LEN
197 
198 #define CONFIG_SPL_BSS_START_ADDR	CONFIG_SPL_MAX_SIZE
199 #define CONFIG_SPL_BSS_MAX_SIZE		(3 * 1024)
200 
201 #define CONFIG_SPL_LIBCOMMON_SUPPORT
202 #define CONFIG_SPL_LIBGENERIC_SUPPORT
203 #define CONFIG_SPL_SERIAL_SUPPORT
204 
205 #define CONFIG_SPL_BOARD_INIT
206 #define CONFIG_SPL_GPIO_SUPPORT
207 #define CONFIG_SYS_NAND_ENABLE_PIN_SPL	(2*32 + 14)
208 #define CONFIG_SPL_NAND_SUPPORT
209 #define CONFIG_SYS_USE_NANDFLASH	1
210 #define CONFIG_SPL_NAND_DRIVERS
211 #define CONFIG_SPL_NAND_BASE
212 #define CONFIG_SPL_NAND_ECC
213 #define CONFIG_SPL_NAND_RAW_ONLY
214 #define CONFIG_SPL_NAND_SOFTECC
215 #define CONFIG_SYS_NAND_U_BOOT_OFFS	0x20000
216 #define CONFIG_SYS_NAND_U_BOOT_SIZE	0x80000
217 #define	CONFIG_SYS_NAND_U_BOOT_START	CONFIG_SYS_TEXT_BASE
218 #define CONFIG_SYS_NAND_U_BOOT_DST	CONFIG_SYS_TEXT_BASE
219 #define CONFIG_SYS_NAND_5_ADDR_CYCLE
220 
221 #define CONFIG_SYS_NAND_SIZE		(256*1024*1024)
222 #define CONFIG_SYS_NAND_PAGE_SIZE	2048
223 #define CONFIG_SYS_NAND_BLOCK_SIZE	(128*1024)
224 #define CONFIG_SYS_NAND_PAGE_COUNT	(CONFIG_SYS_NAND_BLOCK_SIZE / \
225 					 CONFIG_SYS_NAND_PAGE_SIZE)
226 #define CONFIG_SYS_NAND_BAD_BLOCK_POS	NAND_LARGE_BADBLOCK_POS
227 #define CONFIG_SYS_NAND_ECCSIZE		256
228 #define CONFIG_SYS_NAND_ECCBYTES	3
229 #define CONFIG_SYS_NAND_OOBSIZE		64
230 #define CONFIG_SYS_NAND_ECCPOS		{ 40, 41, 42, 43, 44, 45, 46, 47, \
231 					  48, 49, 50, 51, 52, 53, 54, 55, \
232 					  56, 57, 58, 59, 60, 61, 62, 63, }
233 
234 
235 #define CONFIG_SPL_ATMEL_SIZE
236 #define CONFIG_SYS_MASTER_CLOCK		132096000
237 #define AT91_PLL_LOCK_TIMEOUT		1000000
238 #define CONFIG_SYS_AT91_PLLA		0x202A3F01
239 #define CONFIG_SYS_MCKR			0x1300
240 #define CONFIG_SYS_MCKR_CSS		(0x02 | CONFIG_SYS_MCKR)
241 #define CONFIG_SYS_AT91_PLLB		0x10193F05
242 #endif
243