1 /*
2  * Copyright (C) 2010 Andreas Bießmann <biessmann.devel@googlemail.com>
3  *
4  * based on previous work by
5  *
6  * Ulf Samuelsson <ulf@atmel.com>
7  * Rick Bronson <rick@efn.org>
8  *
9  * Configuration settings for the AT91RM9200EK board.
10  *
11  * See file CREDITS for list of people who contributed to this
12  * project.
13  *
14  * This program is free software; you can redistribute it and/or
15  * modify it under the terms of the GNU General Public License as
16  * published by the Free Software Foundation; either version 2 of
17  * the License, or (at your option) any later version.
18  *
19  * This program is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22  * GNU General Public License for more details.
23  *
24  * You should have received a copy of the GNU General Public License
25  * along with this program; if not, write to the Free Software
26  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27  * MA 02111-1307 USA
28  */
29 
30 #ifndef __AT91RM9200EK_CONFIG_H__
31 #define __AT91RM9200EK_CONFIG_H__
32 
33 #include <asm/sizes.h>
34 
35 /*
36  * set some initial configurations depending on configure target
37  *
38  * at91rm9200ek_config     -> boot from 0x0 in NOR Flash at CS0
39  * at91rm9200ek_ram_config -> continue booting from 0x20100000 in RAM; lowlevel
40  *                            initialisation was done by some preloader
41  */
42 #ifdef CONFIG_RAMBOOT
43 #define CONFIG_SKIP_LOWLEVEL_INIT
44 #define CONFIG_SYS_TEXT_BASE 0x20100000
45 #else
46 #define CONFIG_SYS_TEXT_BASE 0x10000000
47 #endif
48 
49 /*
50  * AT91C_XTAL_CLOCK is the frequency of external xtal in hertz
51  * AT91C_MAIN_CLOCK is the frequency of PLLA output
52  * AT91C_MASTER_CLOCK is the peripherial clock
53  * CONFIG_SYS_HZ_CLOCK is the value for CCR in tc0 (divider 2 is implicitely
54  *  set in arch/arm/cpu/arm920t/at91/timer.c)
55  * CONFIG_SYS_HZ is the tick rate for timer tc0
56  */
57 #define AT91C_XTAL_CLOCK		18432000
58 #define CONFIG_SYS_AT91_SLOW_CLOCK	32768
59 #define AT91C_MAIN_CLOCK		((AT91C_XTAL_CLOCK / 4) * 39)
60 #define AT91C_MASTER_CLOCK		(AT91C_MAIN_CLOCK / 3 )
61 #define CONFIG_SYS_HZ_CLOCK		(AT91C_MASTER_CLOCK / 2)
62 #define CONFIG_SYS_HZ			1000
63 
64 /* CPU configuration */
65 #define CONFIG_AT91RM9200
66 #define CONFIG_AT91RM9200EK
67 #define CONFIG_CPUAT91
68 #define USE_920T_MMU
69 
70 #include <asm/hardware.h>	/* needed for port definitions */
71 
72 #define CONFIG_CMDLINE_TAG
73 #define CONFIG_SETUP_MEMORY_TAGS
74 #define CONFIG_INITRD_TAG
75 
76 #define CONFIG_BOARD_EARLY_INIT_F
77 
78 /*
79  * Memory Configuration
80  */
81 #define CONFIG_NR_DRAM_BANKS		1
82 #define CONFIG_SYS_SDRAM_BASE		0x20000000
83 #define CONFIG_SYS_SDRAM_SIZE		SZ_32M
84 
85 #define CONFIG_SYS_MEMTEST_START	CONFIG_SYS_SDRAM_BASE
86 #define CONFIG_SYS_MEMTEST_END		\
87 		(CONFIG_SYS_MEMTEST_START + CONFIG_SYS_SDRAM_SIZE - SZ_256K)
88 
89 /*
90  * LowLevel Init
91  */
92 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
93 #define CONFIG_SYS_USE_MAIN_OSCILLATOR
94 /* flash */
95 #define CONFIG_SYS_EBI_CFGR_VAL	0x00000000
96 #define CONFIG_SYS_SMC_CSR0_VAL	0x00003284 /* 16bit, 2 TDF, 4 WS */
97 
98 /* clocks */
99 #define CONFIG_SYS_PLLAR_VAL	0x20263E04 /* 179.712000 MHz for PCK */
100 #define CONFIG_SYS_PLLBR_VAL	0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
101 /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */
102 #define CONFIG_SYS_MCKR_VAL	0x00000202
103 
104 /* sdram */
105 #define CONFIG_SYS_PIOC_ASR_VAL	0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
106 #define CONFIG_SYS_PIOC_BSR_VAL	0x00000000
107 #define CONFIG_SYS_PIOC_PDR_VAL	0xFFFF0000
108 #define CONFIG_SYS_EBI_CSA_VAL	0x00000002 /* CS1=CONFIG_SYS_SDRAM */
109 #define CONFIG_SYS_SDRC_CR_VAL	0x2188c155 /* set up the CONFIG_SYS_SDRAM */
110 #define CONFIG_SYS_SDRAM	CONFIG_SYS_SDRAM_BASE /* address of the SDRAM */
111 #define CONFIG_SYS_SDRAM1	(CONFIG_SYS_SDRAM_BASE+0x80)
112 #define CONFIG_SYS_SDRAM_VAL	0x00000000 /* value written to CONFIG_SYS_SDRAM */
113 #define CONFIG_SYS_SDRC_MR_VAL	0x00000002 /* Precharge All */
114 #define CONFIG_SYS_SDRC_MR_VAL1	0x00000004 /* refresh */
115 #define CONFIG_SYS_SDRC_MR_VAL2	0x00000003 /* Load Mode Register */
116 #define CONFIG_SYS_SDRC_MR_VAL3	0x00000000 /* Normal Mode */
117 #define CONFIG_SYS_SDRC_TR_VAL	0x000002E0 /* Write refresh rate */
118 #endif	/* CONFIG_SKIP_LOWLEVEL_INIT */
119 
120 /*
121  * Hardware drivers
122  */
123 /*
124  * Choose a USART for serial console
125  * CONFIG_DBGU is DBGU unit on J10
126  * CONFIG_USART1 is USART1 on J14
127  */
128 #define CONFIG_ATMEL_USART
129 #define CONFIG_USART_BASE	ATMEL_BASE_DBGU
130 #define CONFIG_USART_ID		0/* ignored in arm */
131 
132 #define CONFIG_BAUDRATE			115200
133 
134 /*
135  * Command line configuration.
136  */
137 #include <config_cmd_default.h>
138 
139 #define CONFIG_CMD_DHCP
140 #define CONFIG_CMD_FAT
141 #define CONFIG_CMD_MII
142 #define CONFIG_CMD_PING
143 #define CONFIG_CMD_USB
144 #undef CONFIG_CMD_FPGA
145 
146 /*
147  * Network Driver Setting
148  */
149 #define CONFIG_DRIVER_AT91EMAC
150 #define CONFIG_SYS_RX_ETH_BUFFER	16
151 #define CONFIG_RMII
152 #define CONFIG_MII
153 
154 /*
155  * NOR Flash
156  */
157 #define CONFIG_FLASH_CFI_DRIVER
158 #define CONFIG_SYS_FLASH_CFI
159 #define CONFIG_SYS_FLASH_BASE		0x10000000
160 #define PHYS_FLASH_1			CONFIG_SYS_FLASH_BASE
161 #define PHYS_FLASH_SIZE			SZ_8M
162 #define CONFIG_SYS_MAX_FLASH_BANKS	1
163 #define CONFIG_SYS_MAX_FLASH_SECT	256
164 #define CONFIG_SYS_FLASH_PROTECTION
165 
166 /*
167  * USB Config
168  */
169 #define CONFIG_USB_ATMEL			1
170 #define CONFIG_USB_OHCI_NEW			1
171 #define CONFIG_USB_KEYBOARD			1
172 #define CONFIG_USB_STORAGE			1
173 #define CONFIG_DOS_PARTITION			1
174 
175 #define CONFIG_SYS_USB_OHCI_CPU_INIT		1
176 #define CONFIG_SYS_USB_OHCI_REGS_BASE		ATMEL_USB_HOST_BASE
177 #define CONFIG_SYS_USB_OHCI_SLOT_NAME		"at91rm9200"
178 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS	15
179 
180 /*
181  * Environment Settings
182  */
183 #define CONFIG_ENV_IS_IN_FLASH
184 
185 /*
186  * after u-boot.bin
187  */
188 #define CONFIG_ENV_ADDR			\
189 		(CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN)
190 #define CONFIG_ENV_SIZE			SZ_64K /* sectors are 64K here */
191 /* The following #defines are needed to get flash environment right */
192 #define CONFIG_SYS_MONITOR_BASE		CONFIG_SYS_FLASH_BASE
193 #define CONFIG_SYS_MONITOR_LEN		SZ_256K
194 
195 /*
196  * Boot option
197  */
198 #define CONFIG_BOOTDELAY		3
199 
200 /* default load address */
201 #define CONFIG_SYS_LOAD_ADDR		CONFIG_SYS_SDRAM_BASE + SZ_16M
202 #define CONFIG_ENV_OVERWRITE
203 
204 /*
205  * Shell Settings
206  */
207 #define CONFIG_CMDLINE_EDITING
208 #define CONFIG_SYS_LONGHELP
209 #define CONFIG_AUTO_COMPLETE
210 #define CONFIG_SYS_HUSH_PARSER
211 #define CONFIG_SYS_PROMPT		"U-Boot> "
212 #define CONFIG_SYS_CBSIZE		256	/* Console I/O Buffer Size */
213 #define CONFIG_SYS_MAXARGS		16	/* max number of command args */
214 /* Print Buffer Size */
215 #define CONFIG_SYS_PBSIZE		\
216 		(CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
217 
218 /*
219  * Size of malloc() pool
220  */
221 #define CONFIG_SYS_MALLOC_LEN		ROUND(3 * CONFIG_ENV_SIZE + SZ_128K, \
222 					     SZ_4K)
223 
224 #define CONFIG_SYS_INIT_SP_ADDR		(CONFIG_SYS_SDRAM_BASE + SZ_4K \
225 					- GENERATED_GBL_DATA_SIZE)
226 
227 #endif /* __AT91RM9200EK_CONFIG_H__ */
228