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cb82a532 1/*
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2 * Copyright (C) 2010 Andreas Bießmann <biessmann.devel@googlemail.com>
3 *
4 * based on previous work by
5 *
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6 * Ulf Samuelsson <ulf@atmel.com>
7 * Rick Bronson <rick@efn.org>
8 *
9 * Configuration settings for the AT91RM9200EK board.
10 *
1a459660 11 * SPDX-License-Identifier: GPL-2.0+
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12 */
13
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14#ifndef __AT91RM9200EK_CONFIG_H__
15#define __AT91RM9200EK_CONFIG_H__
cb82a532 16
99fa97e9 17#include <asm/sizes.h>
425de62d 18
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19/*
20 * set some initial configurations depending on configure target
21 *
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
25 */
26#ifdef CONFIG_RAMBOOT
27#define CONFIG_SKIP_LOWLEVEL_INIT
28#define CONFIG_SYS_TEXT_BASE 0x20100000
29#else
30#define CONFIG_SYS_TEXT_BASE 0x10000000
31#endif
32
cb82a532 33/*
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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
cb82a532 40 */
99fa97e9 41#define AT91C_XTAL_CLOCK 18432000
6a372e94 42#define CONFIG_SYS_AT91_SLOW_CLOCK 32768
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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)
cb82a532 46
99fa97e9 47/* CPU configuration */
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48#define CONFIG_AT91RM9200
49#define CONFIG_AT91RM9200EK
50#define CONFIG_CPUAT91
51#define USE_920T_MMU
cb82a532 52
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53#include <asm/hardware.h> /* needed for port definitions */
54
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55#define CONFIG_CMDLINE_TAG
56#define CONFIG_SETUP_MEMORY_TAGS
57#define CONFIG_INITRD_TAG
58
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59#define CONFIG_BOARD_EARLY_INIT_F
60
f9129fe3 61#define CONFIG_CMD_BOOTZ
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62#define CONFIG_OF_LIBFDT
63
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64/*
65 * Memory Configuration
66 */
67#define CONFIG_NR_DRAM_BANKS 1
68#define CONFIG_SYS_SDRAM_BASE 0x20000000
69#define CONFIG_SYS_SDRAM_SIZE SZ_32M
cb82a532 70
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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)
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74
75/*
76 * LowLevel Init
77 */
78#ifndef CONFIG_SKIP_LOWLEVEL_INIT
99fa97e9 79#define CONFIG_SYS_USE_MAIN_OSCILLATOR
cb82a532 80/* flash */
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81#define CONFIG_SYS_EBI_CFGR_VAL 0x00000000
82#define CONFIG_SYS_SMC_CSR0_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */
83
84/* clocks */
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
89
90/* sdram */
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 */
99fa97e9 96#define CONFIG_SYS_SDRAM CONFIG_SYS_SDRAM_BASE /* address of the SDRAM */
066df1a5 97#define CONFIG_SYS_SDRAM1 (CONFIG_SYS_SDRAM_BASE+0x80)
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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 */
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104#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
105
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106/*
107 * Hardware drivers
108 */
cb82a532 109/*
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110 * Choose a USART for serial console
111 * CONFIG_DBGU is DBGU unit on J10
112 * CONFIG_USART1 is USART1 on J14
cb82a532 113 */
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114#define CONFIG_ATMEL_USART
115#define CONFIG_USART_BASE ATMEL_BASE_DBGU
116#define CONFIG_USART_ID 0/* ignored in arm */
cb82a532 117
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118#define CONFIG_BAUDRATE 115200
119
120/*
121 * Command line configuration.
122 */
123#include <config_cmd_default.h>
124
125#define CONFIG_CMD_DHCP
126#define CONFIG_CMD_FAT
127#define CONFIG_CMD_MII
128#define CONFIG_CMD_PING
3b83522b 129#define CONFIG_CMD_USB
cb82a532 130#undef CONFIG_CMD_FPGA
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131
132/*
133 * Network Driver Setting
134 */
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135#define CONFIG_DRIVER_AT91EMAC
136#define CONFIG_SYS_RX_ETH_BUFFER 16
137#define CONFIG_RMII
138#define CONFIG_MII
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139
140/*
141 * NOR Flash
142 */
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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
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150#define CONFIG_SYS_FLASH_PROTECTION
151
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152/*
153 * USB Config
154 */
155#define CONFIG_USB_ATMEL 1
156#define CONFIG_USB_OHCI_NEW 1
157#define CONFIG_USB_KEYBOARD 1
158#define CONFIG_USB_STORAGE 1
159#define CONFIG_DOS_PARTITION 1
160
161#define CONFIG_SYS_USB_OHCI_CPU_INIT 1
80733994 162#define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_USB_HOST_BASE
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163#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91rm9200"
164#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 15
165
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166/*
167 * Environment Settings
168 */
99fa97e9 169#define CONFIG_ENV_IS_IN_FLASH
cb82a532 170
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171/*
172 * after u-boot.bin
173 */
174#define CONFIG_ENV_ADDR \
175 (CONFIG_SYS_FLASH_BASE + CONFIG_SYS_MONITOR_LEN)
99fa97e9 176#define CONFIG_ENV_SIZE SZ_64K /* sectors are 64K here */
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177/* The following #defines are needed to get flash environment right */
178#define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE
99fa97e9 179#define CONFIG_SYS_MONITOR_LEN SZ_256K
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180
181/*
182 * Boot option
183 */
184#define CONFIG_BOOTDELAY 3
185
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186/* default load address */
187#define CONFIG_SYS_LOAD_ADDR CONFIG_SYS_SDRAM_BASE + SZ_16M
188#define CONFIG_ENV_OVERWRITE
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189
190/*
191 * Shell Settings
192 */
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193#define CONFIG_CMDLINE_EDITING
194#define CONFIG_SYS_LONGHELP
195#define CONFIG_AUTO_COMPLETE
196#define CONFIG_SYS_HUSH_PARSER
cb82a532 197#define CONFIG_SYS_PROMPT "U-Boot> "
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198#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */
199#define CONFIG_SYS_MAXARGS 16 /* max number of command args */
200/* Print Buffer Size */
201#define CONFIG_SYS_PBSIZE \
202 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
203
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204/*
205 * Size of malloc() pool
206 */
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207#define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + SZ_128K, \
208 SZ_4K)
cb82a532 209
99fa97e9 210#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_SDRAM_BASE + SZ_4K \
25ddd1fb 211 - GENERATED_GBL_DATA_SIZE)
99fa97e9 212
99fa97e9 213#endif /* __AT91RM9200EK_CONFIG_H__ */