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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
Reinhard Meyer9b372b22011-06-06 00:16:42 +000041/* SoC must be defined first, before hardware.h is included */
42#define CONFIG_AT91SAM9XE
43#include <asm/hardware.h>
44
Reinhard Meyerd55c5c32010-10-30 23:09:58 +000045/*
46 * Warning: changing CONFIG_SYS_TEXT_BASE requires
Reinhard Meyerf8055482010-12-09 10:07:31 +010047 * adapting the initial boot program.
Reinhard Meyerd55c5c32010-10-30 23:09:58 +000048 */
Reinhard Meyerf8055482010-12-09 10:07:31 +010049#define CONFIG_SYS_TEXT_BASE 0x20000000 /* start of SDRAM */
Reinhard Meyerd55c5c32010-10-30 23:09:58 +000050
51/* Command line configuration */
52#include <config_cmd_default.h>
53#undef CONFIG_CMD_FPGA
54#undef CONFIG_CMD_SETGETDCR
55#undef CONFIG_CMD_XIMG
56#define CONFIG_CMD_ASKENV
57#define CONFIG_SYS_CBSIZE 256
58#define CONFIG_SYS_MAXARGS 16
59#define CONFIG_SYS_PBSIZE \
60 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
61#define CONFIG_SYS_PROMPT "TOP9000> "
62#define CONFIG_SYS_LONGHELP
63#define CONFIG_CMDLINE_EDITING
64#define CONFIG_CMD_BDI
65#define CONFIG_CMD_CACHE
66
67/* ARM asynchronous clock */
Reinhard Meyer9b372b22011-06-06 00:16:42 +000068#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
69#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */
Reinhard Meyerd55c5c32010-10-30 23:09:58 +000070#define CONFIG_SYS_HZ 1000
71
Reinhard Meyerd55c5c32010-10-30 23:09:58 +000072/* Misc CPU related */
Reinhard Meyerd55c5c32010-10-30 23:09:58 +000073#define CONFIG_ARCH_CPU_INIT
Reinhard Meyerd55c5c32010-10-30 23:09:58 +000074#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
75#define CONFIG_SETUP_MEMORY_TAGS
76#define CONFIG_INITRD_TAG
77#define CONFIG_SKIP_LOWLEVEL_INIT
78#define CONFIG_BOARD_EARLY_INIT_F
79#define CONFIG_DISPLAY_CPUINFO
80#define CONFIG_AT91RESET_EXTRST /* assert external reset */
81
82/* general purpose I/O */
Reinhard Meyer9b372b22011-06-06 00:16:42 +000083#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
Reinhard Meyerd55c5c32010-10-30 23:09:58 +000084#define CONFIG_AT91_GPIO
85#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
86
87/* serial console */
88#define CONFIG_ATMEL_USART
Reinhard Meyer9b372b22011-06-06 00:16:42 +000089#define CONFIG_USART_BASE ATMEL_BASE_DBGU
90#define CONFIG_USART_ID ATMEL_ID_SYS
Reinhard Meyerd55c5c32010-10-30 23:09:58 +000091#define CONFIG_BAUDRATE 115200
Reinhard Meyerd55c5c32010-10-30 23:09:58 +000092
93/* SD/MMC card */
94#define CONFIG_MMC
95#define CONFIG_GENERIC_MMC
96#define CONFIG_GENERIC_ATMEL_MCI
97#define CONFIG_SYS_MMC_CD_PIN AT91_PIN_PC9
98#define CONFIG_CMD_MMC
99
100/* Ethernet */
101#define CONFIG_MACB
102#define CONFIG_SYS_PHY_ID 1
103#define CONFIG_RMII
Reinhard Meyerd55c5c32010-10-30 23:09:58 +0000104#define CONFIG_NET_RETRY_COUNT 20
105
106/* real time clock */
107#define CONFIG_RTC_AT91SAM9_RTT
108#define CONFIG_CMD_DATE
109
110#if defined(CONFIG_AT91SAM9XE)
111/*
112 * NOR flash - use embedded flash of SAM9XE256/512
113 * U-Boot will not fit into 128K !
114 * 2010.09 will not fit into 256K with all options enabled !
115 *
116 * Layout:
117 * 16kB 1st Bootloader
118 * Rest U-Boot
119 * the first sector (16kB) of EFLASH cannot be unprotected
120 * with u-boot commands
121 */
122# define CONFIG_AT91_EFLASH
Reinhard Meyer9b372b22011-06-06 00:16:42 +0000123# define CONFIG_SYS_FLASH_BASE ATMEL_BASE_FLASH
Reinhard Meyerd55c5c32010-10-30 23:09:58 +0000124# define CONFIG_SYS_MAX_FLASH_SECT 32
125# define CONFIG_SYS_MAX_FLASH_BANKS 1
126# define CONFIG_SYS_FLASH_PROTECTION
127# define CONFIG_EFLASH_PROTSECTORS 1 /* protect first sector */
128#endif
129
130/* SPI */
131#define CONFIG_ATMEL_SPI
132#define CONFIG_CMD_SPI
133
134/* RAMTRON FRAM */
135#define CONFIG_CMD_SF
136#define CONFIG_ATMEL_SPI0 /* SPI used for FRAM is SPI0 */
137#define FRAM_SPI_BUS 0
138#define FRAM_CS_NUM 0
139#define CONFIG_SPI_FLASH /* RAMTRON FRAM on SPI bus */
140#define CONFIG_SPI_FRAM_RAMTRON
141#define CONFIG_SF_DEFAULT_SPEED 1000000 /* be conservative here... */
142#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
143#define CONFIG_SPI_FRAM_RAMTRON_NON_JEDEC "FM25H20"
144
145/* Microchip ENC28J60 (second LAN) */
146#if defined(CONFIG_EVAL9000)
147# define CONFIG_ENC28J60
148# define CONFIG_ATMEL_SPI1 /* SPI used for ENC28J60 is SPI1 */
149# define ENC_SPI_BUS 1
150# define ENC_CS_NUM 0
151# define ENC_SPI_CLOCK 1000000
152#endif /* CONFIG_EVAL9000 */
153
154/*
155 * SDRAM: 1 bank, min 32, max 128 MB
156 * Initialized before u-boot gets started.
157 */
158#define CONFIG_NR_DRAM_BANKS 1
Reinhard Meyer9b372b22011-06-06 00:16:42 +0000159#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
Reinhard Meyerd55c5c32010-10-30 23:09:58 +0000160#define CONFIG_SYS_SDRAM_SIZE 0x08000000
161#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
Reinhard Meyer9b372b22011-06-06 00:16:42 +0000162#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_SDRAM_BASE + 0x01e00000)
Reinhard Meyerd55c5c32010-10-30 23:09:58 +0000163#define CONFIG_SYS_LOAD_ADDR \
164 (CONFIG_SYS_SDRAM_BASE + 0x01000000)
165/*
166 * Initial stack pointer: 16k - GENERATED_GBL_DATA_SIZE in internal SRAM,
167 * leaving the correct space for initial global data structure above
168 * that address while providing maximum stack area below.
169 */
170#define CONFIG_SYS_INIT_SP_ADDR \
Reinhard Meyer9b372b22011-06-06 00:16:42 +0000171 (ATMEL_BASE_SRAM + 0x4000 - GENERATED_GBL_DATA_SIZE)
Reinhard Meyerd55c5c32010-10-30 23:09:58 +0000172
173/*
174 * NAND flash: 256 MB (optional)
175 *
176 * Layout:
177 * 640kB: u-boot (includes space for spare sectors, handled by
178 * initial loader)
179 * 2MB: kernel
180 * rest: file system
181 */
182#define CONFIG_NAND_ATMEL
183#define CONFIG_SYS_MAX_NAND_DEVICE 1
Reinhard Meyer9b372b22011-06-06 00:16:42 +0000184#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
Reinhard Meyerd55c5c32010-10-30 23:09:58 +0000185#define CONFIG_SYS_NAND_DBW_8
186#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
187#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
188#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
189#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
190#define CONFIG_CMD_NAND
191
192/* USB */
193#define CONFIG_USB_ATMEL
194#define CONFIG_USB_OHCI_NEW
195#define CONFIG_DOS_PARTITION
196#define CONFIG_SYS_USB_OHCI_CPU_INIT
Reinhard Meyer9b372b22011-06-06 00:16:42 +0000197#define CONFIG_SYS_USB_OHCI_REGS_BASE ATMEL_UHP_BASE
Reinhard Meyerd55c5c32010-10-30 23:09:58 +0000198#define CONFIG_SYS_USB_OHCI_SLOT_NAME "top9000"
199#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
200#define CONFIG_USB_STORAGE
201#define CONFIG_CMD_USB
202
203/* I2C support must always be enabled */
204#define CONFIG_SOFT_I2C
205#define CONFIG_CMD_I2C
206#define CONFIG_SYS_I2C_SPEED 400000
207#define CONFIG_SYS_I2C_SLAVE 0x7F
208#define CONFIG_I2C_MULTI_BUS
209#define I2C0_PORT AT91_PIO_PORTA
210#define SDA0_PIN 23
211#define SCL0_PIN 24
212#define I2C1_PORT AT91_PIO_PORTB
213#define SDA1_PIN 12
214#define SCL1_PIN 13
215#define I2C_SOFT_DECLARATIONS void iic_init(void);\
216 int iic_read(void);\
217 void iic_sda(int);\
218 void iic_scl(int);
219#define I2C_ACTIVE
220#define I2C_TRISTATE
221#define I2C_INIT iic_init()
222#define I2C_READ iic_read()
223#define I2C_SDA(bit) iic_sda(bit)
224#define I2C_SCL(bit) iic_scl(bit)
225#define I2C_DELAY udelay(3)
226/* EEPROM configuration */
227#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5
228#define CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS 5
229#define CONFIG_SYS_I2C_EEPROM_ADDR_LEN 2
230#define CONFIG_SYS_EEPROM_SIZE 0x2000
231#define CONFIG_SYS_I2C_EEPROM_ADDR 0x57
232/* later: #define CONFIG_I2C_ENV_EEPROM_BUS 0 */
233/* ENV is always in I2C-EEPROM */
234#define CONFIG_ENV_IS_IN_EEPROM
235#define CONFIG_ENV_OFFSET 0x1000
236#define CONFIG_ENV_SIZE 0x0f00
237/* VPD settings */
238#define CONFIG_SYS_I2C_FACT_ADDR 0x57
239#define CONFIG_SYS_FACT_OFFSET 0x1F00
240#define CONFIG_SYS_FACT_SIZE 0x0100
241/* later: #define CONFIG_MISC_INIT_R */
242/* define the next only if you want to allow users to enter VPD data */
243#define CONFIG_SYS_FACT_ENTRY
244#ifndef __ASSEMBLY__
245extern void read_factory_r(void);
246#endif
247
248/*
249 * Only interrupt autoboot if <space> is pressed. Otherwise, garbage
250 * data on the serial line may interrupt the boot sequence.
251 */
252#define CONFIG_BOOTDELAY 1
253#define CONFIG_AUTOBOOT
254#define CONFIG_AUTOBOOT_KEYED
255#define CONFIG_AUTOBOOT_PROMPT \
256 "Press SPACE to abort autoboot in %d seconds\n", bootdelay
257#define CONFIG_AUTOBOOT_DELAY_STR "d"
258#define CONFIG_AUTOBOOT_STOP_STR " "
259
260/*
261 * add filesystem commands if we have at least 1 storage
262 * media with filesystem
263 */
264#if defined(CONFIG_NAND_ATMEL) \
265 || defined(CONFIG_USB_ATMEL) \
266 || defined(CONFIG_MMC)
267# define CONFIG_DOS_PARTITION
268# define CONFIG_CMD_FAT
269# define CONFIG_CMD_EXT2
270/* later: #define CONFIG_CMD_JFFS2 */
271#endif
272
273/* add NET commands if we have at least 1 LAN */
274#if defined(CONFIG_MACB) || defined(CONFIG_ENC28J60)
275# define CONFIG_CMD_PING
276# define CONFIG_CMD_DHCP
277# define CONFIG_CMD_MII
278/* is this really needed ? */
279# define CONFIG_RESET_PHY_R
280/* BOOTP options */
281# define CONFIG_BOOTP_BOOTFILESIZE
282# define CONFIG_BOOTP_BOOTPATH
283# define CONFIG_BOOTP_GATEWAY
284# define CONFIG_BOOTP_HOSTNAME
285#endif
286
287/* linux in NAND flash */
288#define CONFIG_BOOTCOUNT_LIMIT 1
289#define CONFIG_BOOTCOMMAND \
290 "nand read 0x21000000 0xA0000 0x200000; bootm"
291#define CONFIG_BOOTARGS \
292 "console=ttyS0,115200 " \
293 "root=/dev/mtdblock2 " \
294 "mtdparts=atmel_nand:" \
295 "640k(uboot)ro," \
296 "2M(linux)," \
297 "16M(root)," \
298 "-(rest) " \
299 "rw "\
300 "rootfstype=jffs2"
301
302/* Size of malloc() pool */
303#define CONFIG_SYS_MALLOC_LEN \
304 ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
Reinhard Meyerd55c5c32010-10-30 23:09:58 +0000305
306#endif