2 * Copyright (C) 2010 Andreas Bießmann <biessmann.devel@googlemail.com>
4 * based on previous work by
6 * Ulf Samuelsson <ulf@atmel.com>
7 * Rick Bronson <rick@efn.org>
9 * Configuration settings for the AT91RM9200EK board.
11 * SPDX-License-Identifier: GPL-2.0+
14 #ifndef __AT91RM9200EK_CONFIG_H__
15 #define __AT91RM9200EK_CONFIG_H__
17 #include <linux/sizes.h>
20 * set some initial configurations depending on configure target
22 * at91rm9200ek_config -> boot from 0x0 in NOR Flash at CS0
23 * at91rm9200ek_ram_config -> continue booting from 0x20100000 in RAM; lowlevel
24 * initialisation was done by some preloader
27 #define CONFIG_SKIP_LOWLEVEL_INIT
28 #define CONFIG_SYS_TEXT_BASE 0x20100000
30 #define CONFIG_SYS_TEXT_BASE 0x10000000
34 * AT91C_XTAL_CLOCK is the frequency of external xtal in hertz
35 * AT91C_MAIN_CLOCK is the frequency of PLLA output
36 * AT91C_MASTER_CLOCK is the peripherial clock
37 * CONFIG_SYS_HZ_CLOCK is the value for CCR in tc0 (divider 2 is implicitely
38 * set in arch/arm/cpu/arm920t/at91/timer.c)
39 * CONFIG_SYS_HZ is the tick rate for timer tc0
41 #define AT91C_XTAL_CLOCK 18432000
42 #define CONFIG_SYS_AT91_SLOW_CLOCK 32768
43 #define AT91C_MAIN_CLOCK ((AT91C_XTAL_CLOCK / 4) * 39)
44 #define AT91C_MASTER_CLOCK (AT91C_MAIN_CLOCK / 3 )
45 #define CONFIG_SYS_HZ_CLOCK (AT91C_MASTER_CLOCK / 2)
47 /* CPU configuration */
48 #define CONFIG_AT91RM9200
49 #define CONFIG_AT91RM9200EK
50 #define CONFIG_CPUAT91
53 #include <asm/hardware.h> /* needed for port definitions */
55 #define CONFIG_CMDLINE_TAG
56 #define CONFIG_SETUP_MEMORY_TAGS
57 #define CONFIG_INITRD_TAG
59 #define CONFIG_BOARD_EARLY_INIT_F
61 #define CONFIG_CMD_BOOTZ
62 #define CONFIG_OF_LIBFDT
65 * Memory Configuration
67 #define CONFIG_NR_DRAM_BANKS 1
68 #define CONFIG_SYS_SDRAM_BASE 0x20000000
69 #define CONFIG_SYS_SDRAM_SIZE SZ_32M
71 #define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
72 #define CONFIG_SYS_MEMTEST_END \
73 (CONFIG_SYS_MEMTEST_START + CONFIG_SYS_SDRAM_SIZE - SZ_256K)
78 #ifndef CONFIG_SKIP_LOWLEVEL_INIT
79 #define CONFIG_SYS_USE_MAIN_OSCILLATOR
81 #define CONFIG_SYS_EBI_CFGR_VAL 0x00000000
82 #define CONFIG_SYS_SMC_CSR0_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */
85 #define CONFIG_SYS_PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */
86 #define CONFIG_SYS_PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
87 /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */
88 #define CONFIG_SYS_MCKR_VAL 0x00000202
91 #define CONFIG_SYS_PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
92 #define CONFIG_SYS_PIOC_BSR_VAL 0x00000000
93 #define CONFIG_SYS_PIOC_PDR_VAL 0xFFFF0000
94 #define CONFIG_SYS_EBI_CSA_VAL 0x00000002 /* CS1=CONFIG_SYS_SDRAM */
95 #define CONFIG_SYS_SDRC_CR_VAL 0x2188c155 /* set up the CONFIG_SYS_SDRAM */
96 #define CONFIG_SYS_SDRAM CONFIG_SYS_SDRAM_BASE /* address of the SDRAM */
97 #define CONFIG_SYS_SDRAM1 (CONFIG_SYS_SDRAM_BASE+0x80)
98 #define CONFIG_SYS_SDRAM_VAL 0x00000000 /* value written to CONFIG_SYS_SDRAM */
99 #define CONFIG_SYS_SDRC_MR_VAL 0x00000002 /* Precharge All */
100 #define CONFIG_SYS_SDRC_MR_VAL1 0x00000004 /* refresh */
101 #define CONFIG_SYS_SDRC_MR_VAL2 0x00000003 /* Load Mode Register */
102 #define CONFIG_SYS_SDRC_MR_VAL3 0x00000000 /* Normal Mode */
103 #define CONFIG_SYS_SDRC_TR_VAL 0x000002E0 /* Write refresh rate */
104 #endif /* CONFIG_SKIP_LOWLEVEL_INIT */
110 * Choose a USART for serial console
111 * CONFIG_DBGU is DBGU unit on J10
112 * CONFIG_USART1 is USART1 on J14
114 #define CONFIG_ATMEL_USART
115 #define CONFIG_USART_BASE ATMEL_BASE_DBGU
116 #define CONFIG_USART_ID 0/* ignored in arm */
118 #define CONFIG_BAUDRATE 115200
121 * Command line configuration.
123 #include <config_cmd_default.h>
125 #define CONFIG_CMD_DHCP
126 #define CONFIG_CMD_FAT
127 #define CONFIG_CMD_MII
128 #define CONFIG_CMD_PING
129 #define CONFIG_CMD_USB
130 #undef CONFIG_CMD_FPGA
133 * Network Driver Setting
135 #define CONFIG_DRIVER_AT91EMAC
136 #define CONFIG_SYS_RX_ETH_BUFFER 16
143 #define CONFIG_FLASH_CFI_DRIVER
144 #define CONFIG_SYS_FLASH_CFI
145 #define CONFIG_SYS_FLASH_BASE 0x10000000
146 #define PHYS_FLASH_1 CONFIG_SYS_FLASH_BASE
147 #define PHYS_FLASH_SIZE SZ_8M
148 #define CONFIG_SYS_MAX_FLASH_BANKS 1
149 #define CONFIG_SYS_MAX_FLASH_SECT 256
150 #define CONFIG_SYS_FLASH_PROTECTION
155 #define CONFIG_USB_ATMEL 1
156 #define CONFIG_USB_ATMEL_CLK_SEL_PLLB
157 #define CONFIG_USB_OHCI_NEW 1
158 #define CONFIG_USB_KEYBOARD 1
159 #define CONFIG_USB_STORAGE 1
160 #define CONFIG_DOS_PARTITION 1
162 #define CONFIG_SYS_USB_OHCI_CPU_INIT 1
163 #define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_USB_HOST_BASE
164 #define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91rm9200"
165 #define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 15
168 * Environment Settings
170 #define CONFIG_ENV_IS_IN_FLASH
175 #define CONFIG_ENV_ADDR \
176 (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN)
177 #define CONFIG_ENV_SIZE SZ_64K /* sectors are 64K here */
178 /* The following #defines are needed to get flash environment right */
179 #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
180 #define CONFIG_SYS_MONITOR_LEN SZ_256K
185 #define CONFIG_BOOTDELAY 3
187 /* default load address */
188 #define CONFIG_SYS_LOAD_ADDR CONFIG_SYS_SDRAM_BASE + SZ_16M
189 #define CONFIG_ENV_OVERWRITE
194 #define CONFIG_CMDLINE_EDITING
195 #define CONFIG_SYS_LONGHELP
196 #define CONFIG_AUTO_COMPLETE
197 #define CONFIG_SYS_HUSH_PARSER
198 #define CONFIG_SYS_PROMPT "U-Boot> "
199 #define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
200 #define CONFIG_SYS_MAXARGS 16 /* max number of command args */
201 /* Print Buffer Size */
202 #define CONFIG_SYS_PBSIZE \
203 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
206 * Size of malloc() pool
208 #define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + SZ_128K, \
211 #define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + SZ_4K \
212 - GENERATED_GBL_DATA_SIZE)
214 #endif /* __AT91RM9200EK_CONFIG_H__ */