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at91rm9200ek: add configure target for RAM boot
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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 AT91C_MAIN_CLOCK ((AT91C_XTAL_CLOCK / 4) * 39)
59 #define AT91C_MASTER_CLOCK (AT91C_MAIN_CLOCK / 3 )
60 #define CONFIG_SYS_HZ_CLOCK (AT91C_MASTER_CLOCK / 2)
61 #define CONFIG_SYS_HZ 1000
62
63 /* CPU configuration */
64 #define CONFIG_ARM920T
65 #define CONFIG_AT91RM9200
66 #define CONFIG_AT91RM9200EK
67 #define CONFIG_CPUAT91
68 #define USE_920T_MMU
69
70 #define CONFIG_CMDLINE_TAG
71 #define CONFIG_SETUP_MEMORY_TAGS
72 #define CONFIG_INITRD_TAG
73
74 /*
75 * Memory Configuration
76 */
77 #define CONFIG_NR_DRAM_BANKS 1
78 #define CONFIG_SYS_SDRAM_BASE 0x20000000
79 #define CONFIG_SYS_SDRAM_SIZE SZ_32M
80
81 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
82 #define CONFIG_SYS_MEMTEST_END \
83 (CONFIG_SYS_MEMTEST_START + CONFIG_SYS_SDRAM_SIZE - SZ_256K)
84
85 /*
86 * LowLevel Init
87 */
88 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
89 #define CONFIG_SYS_USE_MAIN_OSCILLATOR
90 /* flash */
91 #define CONFIG_SYS_EBI_CFGR_VAL 0x00000000
92 #define CONFIG_SYS_SMC_CSR0_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */
93
94 /* clocks */
95 #define CONFIG_SYS_PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */
96 #define CONFIG_SYS_PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
97 /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */
98 #define CONFIG_SYS_MCKR_VAL 0x00000202
99
100 /* sdram */
101 #define CONFIG_SYS_PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
102 #define CONFIG_SYS_PIOC_BSR_VAL 0x00000000
103 #define CONFIG_SYS_PIOC_PDR_VAL 0xFFFF0000
104 #define CONFIG_SYS_EBI_CSA_VAL 0x00000002 /* CS1=CONFIG_SYS_SDRAM */
105 #define CONFIG_SYS_SDRC_CR_VAL 0x2188c155 /* set up the CONFIG_SYS_SDRAM */
106 #define CONFIG_SYS_SDRAM CONFIG_SYS_SDRAM_BASE /* address of the SDRAM */
107 #define CONFIG_SYS_SDRAM1 (CONFIG_SYS_SDRAM_BASE+0x80)
108 #define CONFIG_SYS_SDRAM_VAL 0x00000000 /* value written to CONFIG_SYS_SDRAM */
109 #define CONFIG_SYS_SDRC_MR_VAL 0x00000002 /* Precharge All */
110 #define CONFIG_SYS_SDRC_MR_VAL1 0x00000004 /* refresh */
111 #define CONFIG_SYS_SDRC_MR_VAL2 0x00000003 /* Load Mode Register */
112 #define CONFIG_SYS_SDRC_MR_VAL3 0x00000000 /* Normal Mode */
113 #define CONFIG_SYS_SDRC_TR_VAL 0x000002E0 /* Write refresh rate */
114 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */
115
116 /*
117 * Hardware drivers
118 */
119 /*
120 * Choose a USART for serial console
121 * CONFIG_DBGU is DBGU unit on J10
122 * CONFIG_USART1 is USART1 on J14
123 */
124 #define CONFIG_AT91RM9200_USART
125 #define CONFIG_DBGU
126
127 #define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
128 #define CONFIG_BAUDRATE 115200
129
130 /*
131 * Command line configuration.
132 */
133 #include <config_cmd_default.h>
134
135 #define CONFIG_CMD_DHCP
136 #define CONFIG_CMD_FAT
137 #define CONFIG_CMD_MII
138 #define CONFIG_CMD_PING
139 #define CONFIG_CMD_USB
140 #undef CONFIG_CMD_FPGA
141
142 /*
143 * Network Driver Setting
144 */
145 #define CONFIG_NET_MULTI
146 #define CONFIG_DRIVER_AT91EMAC
147 #define CONFIG_SYS_RX_ETH_BUFFER 16
148 #define CONFIG_RMII
149 #define CONFIG_MII
150
151 /*
152 * NOR Flash
153 */
154 #define CONFIG_FLASH_CFI_DRIVER
155 #define CONFIG_SYS_FLASH_CFI
156 #define CONFIG_SYS_FLASH_BASE 0x10000000
157 #define PHYS_FLASH_1 CONFIG_SYS_FLASH_BASE
158 #define PHYS_FLASH_SIZE SZ_8M
159 #define CONFIG_SYS_MAX_FLASH_BANKS 1
160 #define CONFIG_SYS_MAX_FLASH_SECT 256
161 #define CONFIG_SYS_FLASH_PROTECTION
162
163 /*
164 * USB Config
165 */
166 #define CONFIG_USB_ATMEL 1
167 #define CONFIG_USB_OHCI_NEW 1
168 #define CONFIG_USB_KEYBOARD 1
169 #define CONFIG_USB_STORAGE 1
170 #define CONFIG_DOS_PARTITION 1
171
172 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1
173 #define CONFIG_SYS_USB_OHCI_REGS_BASE AT91_USB_HOST_BASE
174 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91rm9200"
175 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 15
176
177 /*
178 * Environment Settings
179 */
180 #define CONFIG_ENV_IS_IN_FLASH
181
182 /*
183 * after u-boot.bin
184 */
185 #define CONFIG_ENV_ADDR \
186 (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN)
187 #define CONFIG_ENV_SIZE SZ_64K /* sectors are 64K here */
188 /* The following #defines are needed to get flash environment right */
189 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
190 #define CONFIG_SYS_MONITOR_LEN SZ_256K
191
192 /*
193 * Boot option
194 */
195 #define CONFIG_BOOTDELAY 3
196
197 /* default load address */
198 #define CONFIG_SYS_LOAD_ADDR CONFIG_SYS_SDRAM_BASE + SZ_16M
199 #define CONFIG_ENV_OVERWRITE
200
201 /*
202 * Shell Settings
203 */
204 #define CONFIG_CMDLINE_EDITING
205 #define CONFIG_SYS_LONGHELP
206 #define CONFIG_AUTO_COMPLETE
207 #define CONFIG_SYS_HUSH_PARSER
208 #define CONFIG_SYS_PROMPT "U-Boot> "
209 #define CONFIG_SYS_PROMPT_HUSH_PS2 "> "
210 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
211 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
212 /* Print Buffer Size */
213 #define CONFIG_SYS_PBSIZE \
214 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
215
216 /*
217 * Size of malloc() pool
218 */
219 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + SZ_128K, \
220 SZ_4K)
221 /* size in bytes reserved for initial data */
222
223 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + SZ_4K \
224 - GENERATED_GBL_DATA_SIZE)
225
226 #define CONFIG_STACKSIZE SZ_32K /* regular stack */
227 #define CONFIG_STACKSIZE_IRQ SZ_4K /* Unsure if to big or to small*/
228 #define CONFIG_STACKSIZE_FIQ SZ_4K /* Unsure if to big or to small*/
229 #endif /* __AT91RM9200EK_CONFIG_H__ */