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[people/ms/u-boot.git] / include / configs / at91rm9200dk.h
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1/*
2 * Rick Bronson <rick@efn.org>
3 *
4 * Configuation settings for the AT91RM9200DK board.
5 *
6 * See file CREDITS for list of people who contributed to this
7 * project.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License as
11 * published by the Free Software Foundation; either version 2 of
12 * the License, or (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
22 * MA 02111-1307 USA
23 */
24
25#ifndef __CONFIG_H
26#define __CONFIG_H
27
28/* ARM asynchronous clock */
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29#define AT91C_MAIN_CLOCK 179712000 /* from 18.432 MHz crystal (18432000 / 4 * 39) */
30#define AT91C_MASTER_CLOCK 59904000 /* peripheral clock (AT91C_MASTER_CLOCK / 3) */
31/* #define AT91C_MASTER_CLOCK 44928000 */ /* peripheral clock (AT91C_MASTER_CLOCK / 4) */
dc7c9a1a 32
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33#define AT91_SLOW_CLOCK 32768 /* slow clock */
34
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35#define CONFIG_ARM920T 1 /* This is an ARM920T Core */
36#define CONFIG_AT91RM9200 1 /* It's an Atmel AT91RM9200 SoC */
37#define CONFIG_AT91RM9200DK 1 /* on an AT91RM9200DK Board */
38#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
39#define USE_920T_MMU 1
40
8b07a110 41#define CONFIG_CMDLINE_TAG 1 /* enable passing of ATAGs */
dc7c9a1a 42#define CONFIG_SETUP_MEMORY_TAGS 1
8b07a110 43#define CONFIG_INITRD_TAG 1
2abbe075 44
8aa1a2d1 45#ifndef CONFIG_SKIP_LOWLEVEL_INIT
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46#define CFG_USE_MAIN_OSCILLATOR 1
47/* flash */
48#define MC_PUIA_VAL 0x00000000
49#define MC_PUP_VAL 0x00000000
50#define MC_PUER_VAL 0x00000000
51#define MC_ASR_VAL 0x00000000
52#define MC_AASR_VAL 0x00000000
53#define EBI_CFGR_VAL 0x00000000
480ed1de 54#define SMC_CSR0_VAL 0x00003284 /* 16bit, 2 TDF, 4 WS */
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55
56/* clocks */
57#define PLLAR_VAL 0x20263E04 /* 179.712000 MHz for PCK */
58#define PLLBR_VAL 0x10483E0E /* 48.054857 MHz (divider by 2 for USB) */
59#define MCKR_VAL 0x00000202 /* PCK/3 = MCK Master Clock = 59.904000MHz from PLLA */
60
61/* sdram */
62#define PIOC_ASR_VAL 0xFFFF0000 /* Configure PIOC as peripheral (D16/D31) */
63#define PIOC_BSR_VAL 0x00000000
64#define PIOC_PDR_VAL 0xFFFF0000
65#define EBI_CSA_VAL 0x00000002 /* CS1=SDRAM */
66#define SDRC_CR_VAL 0x2188c155 /* set up the SDRAM */
67#define SDRAM 0x20000000 /* address of the SDRAM */
68#define SDRAM1 0x20000080 /* address of the SDRAM */
69#define SDRAM_VAL 0x00000000 /* value written to SDRAM */
70#define SDRC_MR_VAL 0x00000002 /* Precharge All */
71#define SDRC_MR_VAL1 0x00000004 /* refresh */
72#define SDRC_MR_VAL2 0x00000003 /* Load Mode Register */
73#define SDRC_MR_VAL3 0x00000000 /* Normal Mode */
74#define SDRC_TR_VAL 0x000002E0 /* Write refresh rate */
8aa1a2d1 75#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
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76/*
77 * Size of malloc() pool
78 */
0e8d1586 79#define CFG_MALLOC_LEN (CONFIG_ENV_SIZE + 128*1024)
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80#define CFG_GBL_DATA_SIZE 128 /* size in bytes reserved for initial data */
81
dc7c9a1a 82#define CONFIG_BAUDRATE 115200
a8c7c708 83
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84/*
85 * Hardware drivers
86 */
87
9d5028c2 88/* define one of these to choose the DBGU, USART0 or USART1 as console */
4734cb78 89#define CONFIG_DBGU
9d5028c2 90#undef CONFIG_USART0
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91#undef CONFIG_USART1
92
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93#undef CONFIG_HWFLOW /* don't include RTS/CTS flow control support */
94
95#undef CONFIG_MODEM_SUPPORT /* disable modem initialization stuff */
96
8bde7f77 97#define CONFIG_BOOTDELAY 3
8b07a110 98/* #define CONFIG_ENV_OVERWRITE 1 */
2abbe075 99
0b361c91 100
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101/*
102 * BOOTP options
103 */
104#define CONFIG_BOOTP_BOOTFILESIZE
105#define CONFIG_BOOTP_BOOTPATH
106#define CONFIG_BOOTP_GATEWAY
107#define CONFIG_BOOTP_HOSTNAME
108
109
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110/*
111 * Command line configuration.
112 */
113#include <config_cmd_default.h>
114
0b361c91 115#define CONFIG_CMD_DHCP
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116#define CONFIG_CMD_MII
117#define CONFIG_CMD_NAND
0b361c91 118
cc4a0cee 119#define CONFIG_NAND_LEGACY
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120
121#define CFG_MAX_NAND_DEVICE 1 /* Max number of NAND devices */
122#define SECTORSIZE 512
123
124#define ADDR_COLUMN 1
125#define ADDR_PAGE 2
126#define ADDR_COLUMN_PAGE 3
127
8b07a110 128#define NAND_ChipID_UNKNOWN 0x00
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129#define NAND_MAX_FLOORS 1
130#define NAND_MAX_CHIPS 1
131
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132#define AT91_SMART_MEDIA_ALE (1 << 22) /* our ALE is AD22 */
133#define AT91_SMART_MEDIA_CLE (1 << 21) /* our CLE is AD21 */
dc7c9a1a 134
3c95960e 135#include <asm/arch/AT91RM9200.h> /* needed for port definitions */
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136#define NAND_DISABLE_CE(nand) do { *AT91C_PIOC_SODR = AT91C_PIO_PC0;} while(0)
137#define NAND_ENABLE_CE(nand) do { *AT91C_PIOC_CODR = AT91C_PIO_PC0;} while(0)
138
139#define NAND_WAIT_READY(nand) while (!(*AT91C_PIOC_PDSR & AT91C_PIO_PC2))
140
141#define WRITE_NAND_COMMAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | AT91_SMART_MEDIA_CLE) = (__u8)(d); } while(0)
142#define WRITE_NAND_ADDRESS(d, adr) do{ *(volatile __u8 *)((unsigned long)adr | AT91_SMART_MEDIA_ALE) = (__u8)(d); } while(0)
143#define WRITE_NAND(d, adr) do{ *(volatile __u8 *)((unsigned long)adr) = (__u8)d; } while(0)
144#define READ_NAND(adr) ((volatile unsigned char)(*(volatile __u8 *)(unsigned long)adr))
145/* the following are NOP's in our implementation */
146#define NAND_CTL_CLRALE(nandptr)
147#define NAND_CTL_SETALE(nandptr)
148#define NAND_CTL_CLRCLE(nandptr)
149#define NAND_CTL_SETCLE(nandptr)
150
151#define CONFIG_NR_DRAM_BANKS 1
152#define PHYS_SDRAM 0x20000000
153#define PHYS_SDRAM_SIZE 0x2000000 /* 32 megs */
154
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155#define CFG_MEMTEST_START PHYS_SDRAM
156#define CFG_MEMTEST_END CFG_MEMTEST_START + PHYS_SDRAM_SIZE - 262144
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157
158#define CONFIG_DRIVER_ETHER
8b07a110 159#define CONFIG_NET_RETRY_COUNT 20
074cff0d 160#define CONFIG_AT91C_USE_RMII
2abbe075 161
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162/* AC Characteristics */
163/* DLYBS = tCSS = 250ns min and DLYBCT = tCSH = 250ns */
164#define DATAFLASH_TCSS (0xC << 16)
165#define DATAFLASH_TCHS (0x1 << 24)
166
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167#define CONFIG_HAS_DATAFLASH 1
168#define CFG_SPI_WRITE_TOUT (5*CFG_HZ)
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169#define CFG_MAX_DATAFLASH_BANKS 2
170#define CFG_MAX_DATAFLASH_PAGES 16384
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171#define CFG_DATAFLASH_LOGIC_ADDR_CS0 0xC0000000 /* Logical adress for CS0 */
172#define CFG_DATAFLASH_LOGIC_ADDR_CS3 0xD0000000 /* Logical adress for CS3 */
dc7c9a1a 173
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174#define PHYS_FLASH_1 0x10000000
175#define PHYS_FLASH_SIZE 0x200000 /* 2 megs main flash */
176#define CFG_FLASH_BASE PHYS_FLASH_1
177#define CFG_MAX_FLASH_BANKS 1
178#define CFG_MAX_FLASH_SECT 256
179#define CFG_FLASH_ERASE_TOUT (2*CFG_HZ) /* Timeout for Flash Erase */
180#define CFG_FLASH_WRITE_TOUT (2*CFG_HZ) /* Timeout for Flash Write */
5779d8d9 181
057c849c 182#undef CONFIG_ENV_IS_IN_DATAFLASH
5779d8d9 183
057c849c 184#ifdef CONFIG_ENV_IS_IN_DATAFLASH
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185#define CONFIG_ENV_OFFSET 0x20000
186#define CONFIG_ENV_ADDR (CFG_DATAFLASH_LOGIC_ADDR_CS0 + CONFIG_ENV_OFFSET)
187#define CONFIG_ENV_SIZE 0x2000 /* 0x8000 */
5779d8d9 188#else
5a1aceb0 189#define CONFIG_ENV_IS_IN_FLASH 1
8aa1a2d1 190#ifdef CONFIG_SKIP_LOWLEVEL_INIT
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191#define CONFIG_ENV_ADDR (PHYS_FLASH_1 + 0xe000) /* between boot.bin and u-boot.bin.gz */
192#define CONFIG_ENV_SIZE 0x2000 /* 0x8000 */
481f28b1 193#else
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194#define CONFIG_ENV_ADDR (PHYS_FLASH_1 + 0x60000) /* after u-boot.bin */
195#define CONFIG_ENV_SIZE 0x10000 /* sectors are 64K here */
8aa1a2d1 196#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
057c849c 197#endif /* CONFIG_ENV_IS_IN_DATAFLASH */
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198
199
8b07a110 200#define CFG_LOAD_ADDR 0x21000000 /* default load address */
dc7c9a1a 201
8aa1a2d1 202#ifdef CONFIG_SKIP_LOWLEVEL_INIT
2abbe075 203#define CFG_BOOT_SIZE 0x6000 /* 24 KBytes */
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204#define CFG_U_BOOT_BASE (PHYS_FLASH_1 + 0x10000)
205#define CFG_U_BOOT_SIZE 0x10000 /* 64 KBytes */
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206#else
207#define CFG_BOOT_SIZE 0x00 /* 0 KBytes */
208#define CFG_U_BOOT_BASE PHYS_FLASH_1
209#define CFG_U_BOOT_SIZE 0x60000 /* 384 KBytes */
8aa1a2d1 210#endif /* CONFIG_SKIP_LOWLEVEL_INIT */
2abbe075 211
2c5260f7 212#define CFG_BAUDRATE_TABLE { 115200, 19200, 38400, 57600, 9600 }
dc7c9a1a 213
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214#define CFG_PROMPT "U-Boot> " /* Monitor Command Prompt */
215#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
216#define CFG_MAXARGS 16 /* max number of command args */
217#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
dc7c9a1a 218
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219#define CFG_HZ 1000
220#define CFG_HZ_CLOCK AT91C_MASTER_CLOCK/2 /* AT91C_TC0_CMR is implicitly set to */
2c5260f7 221 /* AT91C_TC_TIMER_DIV1_CLOCK */
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222
223#define CONFIG_STACKSIZE (32*1024) /* regular stack */
224
225#ifdef CONFIG_USE_IRQ
226#error CONFIG_USE_IRQ not supported
227#endif
228
229#endif