xref: /openbmc/u-boot/include/configs/taurus.h (revision 2e07c249)
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 /*
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 
37 #define CONFIG_SYS_TEXT_BASE		0x23f00000
38 
39 /* ARM asynchronous clock */
40 #define CONFIG_SYS_AT91_SLOW_CLOCK	32768		/* slow clock xtal */
41 #define CONFIG_SYS_AT91_MAIN_CLOCK	18432000	/* main clock xtal */
42 
43 /* Misc CPU related */
44 #define CONFIG_ARCH_CPU_INIT
45 #define CONFIG_CMDLINE_TAG		/* enable passing of ATAGs */
46 #define CONFIG_SETUP_MEMORY_TAGS
47 #define CONFIG_INITRD_TAG
48 #define CONFIG_SKIP_LOWLEVEL_INIT
49 #define CONFIG_BOARD_EARLY_INIT_F
50 #define CONFIG_DISPLAY_CPUINFO
51 
52 #define CONFIG_CMD_BOOTZ
53 #define CONFIG_OF_LIBFDT
54 
55 /* general purpose I/O */
56 #define CONFIG_ATMEL_LEGACY		/* required until (g)pio is fixed */
57 #define CONFIG_AT91_GPIO
58 #define CONFIG_AT91_GPIO_PULLUP	1	/* keep pullups on peripheral pins */
59 
60 /* serial console */
61 #define CONFIG_ATMEL_USART
62 #define CONFIG_USART_BASE		ATMEL_BASE_DBGU
63 #define CONFIG_USART_ID			ATMEL_ID_SYS
64 #define CONFIG_BAUDRATE			115200
65 
66 #define CONFIG_BOOTDELAY	3
67 
68 /*
69  * Command line configuration.
70  */
71 #include <config_cmd_default.h>
72 #undef CONFIG_CMD_BDI
73 #undef CONFIG_CMD_FPGA
74 #undef CONFIG_CMD_IMI
75 #undef CONFIG_CMD_IMLS
76 #undef CONFIG_CMD_LOADS
77 #undef CONFIG_CMD_SOURCE
78 
79 #define CONFIG_CMD_PING
80 #define CONFIG_CMD_DHCP
81 #define CONFIG_CMD_NAND
82 
83 /*
84  * SDRAM: 1 bank, min 32, max 128 MB
85  * Initialized before u-boot gets started.
86  */
87 #define CONFIG_NR_DRAM_BANKS		1
88 #define CONFIG_SYS_SDRAM_BASE		ATMEL_BASE_CS1
89 #define CONFIG_SYS_SDRAM_SIZE		(128 * 1024 * 1024)
90 
91 /*
92  * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
93  * leaving the correct space for initial global data structure above
94  * that address while providing maximum stack area below.
95  */
96 # define CONFIG_SYS_INIT_SP_ADDR \
97 	(ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
98 
99 /* NAND flash */
100 #ifdef CONFIG_CMD_NAND
101 #define CONFIG_NAND_ATMEL
102 #define CONFIG_SYS_MAX_NAND_DEVICE	1
103 #define CONFIG_SYS_NAND_BASE		ATMEL_BASE_CS3
104 #define CONFIG_SYS_NAND_DBW_8
105 #define CONFIG_SYS_NAND_MASK_ALE	(1 << 21)
106 #define CONFIG_SYS_NAND_MASK_CLE	(1 << 22)
107 #define CONFIG_SYS_NAND_ENABLE_PIN	AT91_PIN_PC14
108 #define CONFIG_SYS_NAND_READY_PIN	AT91_PIN_PC13
109 #endif
110 
111 /* NOR flash - no real flash on this board */
112 #define CONFIG_SYS_NO_FLASH			1
113 
114 /* Ethernet */
115 #define CONFIG_MACB
116 #define CONFIG_RMII
117 #define CONFIG_AT91_WANTS_COMMON_PHY
118 
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 
130 /* load address */
131 #define CONFIG_SYS_LOAD_ADDR			0x22000000
132 
133 /* bootstrap in spi flash , u-boot + env + linux in nandflash */
134 #define CONFIG_ENV_IS_IN_NAND
135 #define CONFIG_ENV_OFFSET		0x100000
136 #define CONFIG_ENV_OFFSET_REDUND	0x180000
137 #define CONFIG_ENV_SIZE		0x20000		/* 1 sector = 128 kB */
138 #define CONFIG_BOOTCOMMAND	"nand read 0x22000000 0x200000 0x300000; bootm"
139 #define CONFIG_BOOTARGS							\
140 	"console=ttyS0,115200 earlyprintk "				\
141 	"mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro,"		\
142 	"256k(env),256k(env_redundant),256k(spare),"			\
143 	"512k(dtb),6M(kernel)ro,-(rootfs) "				\
144 	"root=/dev/mtdblock7 rw rootfstype=jffs2"
145 
146 #define CONFIG_SYS_PROMPT		"U-Boot> "
147 #define CONFIG_SYS_CBSIZE		256
148 #define CONFIG_SYS_MAXARGS		16
149 #define CONFIG_SYS_PBSIZE \
150 	(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
151 #define CONFIG_SYS_LONGHELP
152 #define CONFIG_CMDLINE_EDITING
153 #define CONFIG_AUTO_COMPLETE
154 
155 /*
156  * Size of malloc() pool
157  */
158 #define CONFIG_SYS_MALLOC_LEN \
159 	ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
160 
161 #endif
162