blob: 5f0160dcb6ebd43f27b70e24375ed5ac150a0e04 [file] [log] [blame]
Reinhard Meyerd55c5c32010-10-30 23:09:58 +00001/*
2 * (C) Copyright 2010
3 * Reinhard Meyer, EMK Elektronik, reinhard.meyer@emk-elektronik.de
4 *
5 * Configuation settings for the TOP9000 CPU module with AT91SAM9XE.
6 *
7 * See file CREDITS for list of people who contributed to this
8 * project.
9 *
10 * This program is free software; you can redistribute it and/or
11 * modify it under the terms of the GNU General Public License as
12 * published by the Free Software Foundation; either version 2 of
13 * the License, or (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23 * MA 02111-1307 USA
24 */
25/*
26 * top9000 with at91sam9xe256 or at91sam9xe512
27 *
28 * Initial Bootloader is in embedded flash.
29 * Vital Product Data, U-Boot Environment are in I2C-EEPROM.
30 * U-Boot is in embedded flash, a backup U-Boot can be in NAND flash.
31 * kernel and file system are either in NAND flash or on a micro SD card.
32 * NAND flash is optional.
33 * I2C EEPROM is never optional.
34 * SPI FRAM is optional.
35 * SPI ENC28J60 is optional.
36 * 16 or 32 bit wide SDRAM.
37 */
38#ifndef __CONFIG_H
39#define __CONFIG_H
40
41/*
42 * Warning: changing CONFIG_SYS_TEXT_BASE requires
Reinhard Meyerf8055482010-12-09 10:07:31 +010043 * adapting the initial boot program.
Reinhard Meyerd55c5c32010-10-30 23:09:58 +000044 */
Reinhard Meyerf8055482010-12-09 10:07:31 +010045#define CONFIG_SYS_TEXT_BASE 0x20000000 /* start of SDRAM */
Reinhard Meyerd55c5c32010-10-30 23:09:58 +000046
47/* Command line configuration */
48#include <config_cmd_default.h>
49#undef CONFIG_CMD_FPGA
50#undef CONFIG_CMD_SETGETDCR
51#undef CONFIG_CMD_XIMG
52#define CONFIG_CMD_ASKENV
53#define CONFIG_SYS_CBSIZE 256
54#define CONFIG_SYS_MAXARGS 16
55#define CONFIG_SYS_PBSIZE \
56 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
57#define CONFIG_SYS_PROMPT "TOP9000> "
58#define CONFIG_SYS_LONGHELP
59#define CONFIG_CMDLINE_EDITING
60#define CONFIG_CMD_BDI
61#define CONFIG_CMD_CACHE
62
63/* ARM asynchronous clock */
64#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* 18.432 MHz xtal */
65#define CONFIG_SYS_HZ 1000
66
67/* SoC */
68#define CONFIG_ARM926EJS /* ARM926EJS Core */
69#define CONFIG_AT91FAMILY /* it's a member of AT91 */
70#define CONFIG_AT91SAM9260 /* Atmel AT91SAM9260 based SoC */
71#define CONFIG_AT91SAM9XE
72
73/* Misc CPU related */
74#define CONFIG_AT91_LEGACY
75#define CONFIG_ARCH_CPU_INIT
76#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
77#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
78#define CONFIG_SETUP_MEMORY_TAGS
79#define CONFIG_INITRD_TAG
80#define CONFIG_SKIP_LOWLEVEL_INIT
81#define CONFIG_BOARD_EARLY_INIT_F
82#define CONFIG_DISPLAY_CPUINFO
83#define CONFIG_AT91RESET_EXTRST /* assert external reset */
84
85/* general purpose I/O */
86#define CONFIG_AT91_GPIO
87#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
88
89/* serial console */
90#define CONFIG_ATMEL_USART
91#define CONFIG_USART3 /* USART 3 is DBGU !!! */
92#define CONFIG_BAUDRATE 115200
93#define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
94
95/* SD/MMC card */
96#define CONFIG_MMC
97#define CONFIG_GENERIC_MMC
98#define CONFIG_GENERIC_ATMEL_MCI
99#define CONFIG_SYS_MMC_CD_PIN AT91_PIN_PC9
100#define CONFIG_CMD_MMC
101
102/* Ethernet */
103#define CONFIG_MACB
104#define CONFIG_SYS_PHY_ID 1
105#define CONFIG_RMII
106#define CONFIG_NET_MULTI
107#define CONFIG_NET_RETRY_COUNT 20
108
109/* real time clock */
110#define CONFIG_RTC_AT91SAM9_RTT
111#define CONFIG_CMD_DATE
112
113#if defined(CONFIG_AT91SAM9XE)
114/*
115 * NOR flash - use embedded flash of SAM9XE256/512
116 * U-Boot will not fit into 128K !
117 * 2010.09 will not fit into 256K with all options enabled !
118 *
119 * Layout:
120 * 16kB 1st Bootloader
121 * Rest U-Boot
122 * the first sector (16kB) of EFLASH cannot be unprotected
123 * with u-boot commands
124 */
125# define CONFIG_AT91_EFLASH
126# define CONFIG_SYS_FLASH_BASE 0x200000
127# define CONFIG_SYS_MAX_FLASH_SECT 32
128# define CONFIG_SYS_MAX_FLASH_BANKS 1
129# define CONFIG_SYS_FLASH_PROTECTION
130# define CONFIG_EFLASH_PROTSECTORS 1 /* protect first sector */
131#endif
132
133/* SPI */
134#define CONFIG_ATMEL_SPI
135#define CONFIG_CMD_SPI
136
137/* RAMTRON FRAM */
138#define CONFIG_CMD_SF
139#define CONFIG_ATMEL_SPI0 /* SPI used for FRAM is SPI0 */
140#define FRAM_SPI_BUS 0
141#define FRAM_CS_NUM 0
142#define CONFIG_SPI_FLASH /* RAMTRON FRAM on SPI bus */
143#define CONFIG_SPI_FRAM_RAMTRON
144#define CONFIG_SF_DEFAULT_SPEED 1000000 /* be conservative here... */
145#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
146#define CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC "FM25H20"
147
148/* Microchip ENC28J60 (second LAN) */
149#if defined(CONFIG_EVAL9000)
150# define CONFIG_ENC28J60
151# define CONFIG_ATMEL_SPI1 /* SPI used for ENC28J60 is SPI1 */
152# define ENC_SPI_BUS 1
153# define ENC_CS_NUM 0
154# define ENC_SPI_CLOCK 1000000
155#endif /* CONFIG_EVAL9000 */
156
157/*
158 * SDRAM: 1 bank, min 32, max 128 MB
159 * Initialized before u-boot gets started.
160 */
161#define CONFIG_NR_DRAM_BANKS 1
162#define CONFIG_SYS_SDRAM_BASE 0x20000000
163#define CONFIG_SYS_SDRAM_SIZE 0x08000000
164#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
165#define CONFIG_SYS_MEMTEST_END 0x21e00000
166#define CONFIG_SYS_LOAD_ADDR \
167 (CONFIG_SYS_SDRAM_BASE + 0x01000000)
168/*
169 * Initial stack pointer: 16k - GENERATED_GBL_DATA_SIZE in internal SRAM,
170 * leaving the correct space for initial global data structure above
171 * that address while providing maximum stack area below.
172 */
173#define CONFIG_SYS_INIT_SP_ADDR \
174 (0x00300000 + 0x4000 - GENERATED_GBL_DATA_SIZE)
175
176/*
177 * NAND flash: 256 MB (optional)
178 *
179 * Layout:
180 * 640kB: u-boot (includes space for spare sectors, handled by
181 * initial loader)
182 * 2MB: kernel
183 * rest: file system
184 */
185#define CONFIG_NAND_ATMEL
186#define CONFIG_SYS_MAX_NAND_DEVICE 1
187#define CONFIG_SYS_NAND_BASE 0x40000000
188#define CONFIG_SYS_NAND_DBW_8
189#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
190#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
191#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
192#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
193#define CONFIG_CMD_NAND
194
195/* USB */
196#define CONFIG_USB_ATMEL
197#define CONFIG_USB_OHCI_NEW
198#define CONFIG_DOS_PARTITION
199#define CONFIG_SYS_USB_OHCI_CPU_INIT
200#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000
201#define CONFIG_SYS_USB_OHCI_SLOT_NAME "top9000"
202#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
203#define CONFIG_USB_STORAGE
204#define CONFIG_CMD_USB
205
206/* I2C support must always be enabled */
207#define CONFIG_SOFT_I2C
208#define CONFIG_CMD_I2C
209#define CONFIG_SYS_I2C_SPEED 400000
210#define CONFIG_SYS_I2C_SLAVE 0x7F
211#define CONFIG_I2C_MULTI_BUS
212#define I2C0_PORT AT91_PIO_PORTA
213#define SDA0_PIN 23
214#define SCL0_PIN 24
215#define I2C1_PORT AT91_PIO_PORTB
216#define SDA1_PIN 12
217#define SCL1_PIN 13
218#define I2C_SOFT_DECLARATIONS void iic_init(void);\
219 int iic_read(void);\
220 void iic_sda(int);\
221 void iic_scl(int);
222#define I2C_ACTIVE
223#define I2C_TRISTATE
224#define I2C_INIT iic_init()
225#define I2C_READ iic_read()
226#define I2C_SDA(bit) iic_sda(bit)
227#define I2C_SCL(bit) iic_scl(bit)
228#define I2C_DELAY udelay(3)
229/* EEPROM configuration */
230#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5
231#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5
232#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
233#define CONFIG_SYS_EEPROM_SIZE 0x2000
234#define CONFIG_SYS_I2C_EEPROM_ADDR 0x57
235/* later: #define CONFIG_I2C_ENV_EEPROM_BUS 0 */
236/* ENV is always in I2C-EEPROM */
237#define CONFIG_ENV_IS_IN_EEPROM
238#define CONFIG_ENV_OFFSET 0x1000
239#define CONFIG_ENV_SIZE 0x0f00
240/* VPD settings */
241#define CONFIG_SYS_I2C_FACT_ADDR 0x57
242#define CONFIG_SYS_FACT_OFFSET 0x1F00
243#define CONFIG_SYS_FACT_SIZE 0x0100
244/* later: #define CONFIG_MISC_INIT_R */
245/* define the next only if you want to allow users to enter VPD data */
246#define CONFIG_SYS_FACT_ENTRY
247#ifndef __ASSEMBLY__
248extern void read_factory_r(void);
249#endif
250
251/*
252 * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
253 * data on the serial line may interrupt the boot sequence.
254 */
255#define CONFIG_BOOTDELAY 1
256#define CONFIG_AUTOBOOT
257#define CONFIG_AUTOBOOT_KEYED
258#define CONFIG_AUTOBOOT_PROMPT \
259 "Press SPACE to abort autoboot in %d seconds\n", bootdelay
260#define CONFIG_AUTOBOOT_DELAY_STR "d"
261#define CONFIG_AUTOBOOT_STOP_STR " "
262
263/*
264 * add filesystem commands if we have at least 1 storage
265 * media with filesystem
266 */
267#if defined(CONFIG_NAND_ATMEL) \
268 || defined(CONFIG_USB_ATMEL) \
269 || defined(CONFIG_MMC)
270# define CONFIG_DOS_PARTITION
271# define CONFIG_CMD_FAT
272# define CONFIG_CMD_EXT2
273/* later: #define CONFIG_CMD_JFFS2 */
274#endif
275
276/* add NET commands if we have at least 1 LAN */
277#if defined(CONFIG_MACB) || defined(CONFIG_ENC28J60)
278# define CONFIG_CMD_PING
279# define CONFIG_CMD_DHCP
280# define CONFIG_CMD_MII
281/* is this really needed ? */
282# define CONFIG_RESET_PHY_R
283/* BOOTP options */
284# define CONFIG_BOOTP_BOOTFILESIZE
285# define CONFIG_BOOTP_BOOTPATH
286# define CONFIG_BOOTP_GATEWAY
287# define CONFIG_BOOTP_HOSTNAME
288#endif
289
290/* linux in NAND flash */
291#define CONFIG_BOOTCOUNT_LIMIT 1
292#define CONFIG_BOOTCOMMAND \
293 "nand read 0x21000000 0xA0000 0x200000; bootm"
294#define CONFIG_BOOTARGS \
295 "console=ttyS0,115200 " \
296 "root=/dev/mtdblock2 " \
297 "mtdparts=atmel_nand:" \
298 "640k(uboot)ro," \
299 "2M(linux)," \
300 "16M(root)," \
301 "-(rest) " \
302 "rw "\
303 "rootfstype=jffs2"
304
305/* Size of malloc() pool */
306#define CONFIG_SYS_MALLOC_LEN \
307 ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
308#define CONFIG_STACKSIZE (32*1024)
309#ifdef CONFIG_USE_IRQ
310#error CONFIG_USE_IRQ not supported
311#endif
312
313#endif