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Albin Tonnerre2dc851e2009-08-20 16:04:49 +02001/*
2 * (C) Copyright 2007-2008
Stelian Popc9e798d2011-11-01 00:00:39 +01003 * Stelian Pop <stelian@popies.net>
Albin Tonnerre2dc851e2009-08-20 16:04:49 +02004 * Lead Tech Design <www.leadtechdesign.com>
5 *
6 * Copyright (C) 2009
7 * Albin Tonnerre, Free Electrons <albin.tonnerre@free-electrons.com>
8 *
9 * Configuation settings for the Calao TNY-A9260 and TNY-A9G20 boards
10 *
11 * See file CREDITS for list of people who contributed to this
12 * project.
13 *
14 * This program is free software; you can redistribute it and/or
15 * modify it under the terms of the GNU General Public License as
16 * published by the Free Software Foundation; either version 2 of
17 * the License, or (at your option) any later version.
18 *
19 * This program is distributed in the hope that it will be useful,
20 * but WITHOUT ANY WARRANTY; without even the implied warranty of
21 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 * GNU General Public License for more details.
23 *
24 * You should have received a copy of the GNU General Public License
25 * along with this program; if not, write to the Free Software
26 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27 * MA 02111-1307 USA
28 */
29
30#ifndef __CONFIG_H
31#define __CONFIG_H
32
Thomas Petazzoni65b0f872011-08-04 02:48:56 +000033/*
34 * SoC must be defined first, before hardware.h is included.
35 * In this case SoC is defined in boards.cfg.
36 */
37#include <asm/hardware.h>
Albin Tonnerre2dc851e2009-08-20 16:04:49 +020038
39#if defined(CONFIG_TNY_A9260_NANDFLASH) || defined(CONFIG_TNY_A9G20_NANDFLASH)
40#define CONFIG_ENV_IS_IN_NAND
41#else
42#define CONFIG_ENV_IS_IN_EEPROM
43#endif
44
Thomas Petazzoni65b0f872011-08-04 02:48:56 +000045/* Define actual evaluation board type from used processor type */
46#ifdef CONFIG_AT91SAM9G20
47# define CONFIG_TNY_A9G20
48#else
49# define CONFIG_TNY_A9260
50#endif
Albin Tonnerre2dc851e2009-08-20 16:04:49 +020051
Thomas Petazzoni65b0f872011-08-04 02:48:56 +000052/* ARM asynchronous clock */
53#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
54#define CONFIG_SYS_AT91_MAIN_CLOCK 12000000 /* 12 MHz crystal */
55#define CONFIG_SYS_HZ 1000
56
Albin Tonnerre2dc851e2009-08-20 16:04:49 +020057#define CONFIG_ARCH_CPU_INIT
58#undef CONFIG_USE_IRQ /* we don't need IRQ/FIQ stuff */
Thomas Petazzoni65b0f872011-08-04 02:48:56 +000059#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
60#define CONFIG_SETUP_MEMORY_TAGS
61#define CONFIG_INITRD_TAG
Albin Tonnerre2dc851e2009-08-20 16:04:49 +020062#define CONFIG_SKIP_LOWLEVEL_INIT
Albin Tonnerre2dc851e2009-08-20 16:04:49 +020063
64/*
65 * Hardware drivers
66 */
Thomas Petazzoni65b0f872011-08-04 02:48:56 +000067#define CONFIG_ATMEL_LEGACY
68#define CONFIG_AT91_GPIO
69
70#define CONFIG_ATMEL_USART
71#define CONFIG_USART_BASE ATMEL_BASE_DBGU
72#define CONFIG_USART_ID ATMEL_ID_SYS
73#define CONFIG_BAUDRATE 115200
74#define CONFIG_SYS_BAUDRATE_TABLE {115200 , 19200, 38400, 57600, 9600 }
Albin Tonnerre2dc851e2009-08-20 16:04:49 +020075
76#define CONFIG_BOOTDELAY 3
77
78/*
79 * Command line configuration.
80 */
81#include <config_cmd_default.h>
82#undef CONFIG_CMD_BDI
83#undef CONFIG_CMD_FPGA
84#undef CONFIG_CMD_IMI
85#undef CONFIG_CMD_IMLS
86#undef CONFIG_CMD_LOADS
87#undef CONFIG_CMD_NET
Thomas Petazzoni65b0f872011-08-04 02:48:56 +000088#undef CONFIG_CMD_NFS
Albin Tonnerre2dc851e2009-08-20 16:04:49 +020089#undef CONFIG_CMD_SOURCE
90#undef CONFIG_CMD_USB
91
92/* SDRAM */
93#define CONFIG_NR_DRAM_BANKS 1
Thomas Petazzoni65b0f872011-08-04 02:48:56 +000094#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
95#define CONFIG_SYS_SDRAM_SIZE 0x04000000 /* 64 megs */
96# define CONFIG_SYS_INIT_SP_ADDR \
97 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
Albin Tonnerre2dc851e2009-08-20 16:04:49 +020098
99/* SPI EEPROM */
100#define CONFIG_SPI
101#define CONFIG_CMD_SPI
102#define CONFIG_ATMEL_SPI
103#define CONFIG_SYS_SPI_WRITE_TOUT (5 * CONFIG_SYS_HZ)
104
105#define CONFIG_CMD_EEPROM
106#define CONFIG_SPI_M95XXX
107#define CONFIG_SYS_EEPROM_SIZE 0x10000
108#define CONFIG_SYS_EEPROM_PAGE_WRITE_BITS 5
109
110/* NAND flash */
111#define CONFIG_CMD_NAND
112#define CONFIG_NAND_ATMEL
113#define CONFIG_SYS_MAX_NAND_DEVICE 1
Thomas Petazzoni65b0f872011-08-04 02:48:56 +0000114#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
115#define CONFIG_SYS_NAND_DBW_8
Albin Tonnerre2dc851e2009-08-20 16:04:49 +0200116/* our ALE is AD21 */
117#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
118/* our CLE is AD22 */
119#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
120#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
121#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
122
123/* NOR flash - no real flash on this board */
Thomas Petazzoni65b0f872011-08-04 02:48:56 +0000124#define CONFIG_SYS_NO_FLASH
Albin Tonnerre2dc851e2009-08-20 16:04:49 +0200125
Thomas Petazzoni65b0f872011-08-04 02:48:56 +0000126#define CONFIG_DOS_PARTITION
127#define CONFIG_CMD_FAT
Albin Tonnerre2dc851e2009-08-20 16:04:49 +0200128
129#define CONFIG_SYS_LOAD_ADDR 0x22000000 /* load address */
130
Thomas Petazzoni65b0f872011-08-04 02:48:56 +0000131#define CONFIG_SYS_MEMTEST_START CONFIG_SYS_SDRAM_BASE
Albin Tonnerre2dc851e2009-08-20 16:04:49 +0200132#define CONFIG_SYS_MEMTEST_END 0x23e00000
133
134/* Env in EEPROM, bootstrap + u-boot in NAND*/
135#ifdef CONFIG_ENV_IS_IN_EEPROM
136#define CONFIG_ENV_OFFSET 0x20
Thomas Petazzoni65b0f872011-08-04 02:48:56 +0000137#define CONFIG_ENV_SIZE 0x1000
Albin Tonnerre2dc851e2009-08-20 16:04:49 +0200138#endif
139
140/* Env, bootstrap and u-boot in NAND */
141#ifdef CONFIG_ENV_IS_IN_NAND
Thomas Petazzoni65b0f872011-08-04 02:48:56 +0000142#define CONFIG_ENV_OFFSET 0x60000
143#define CONFIG_ENV_OFFSET_REDUND 0x80000
144#define CONFIG_ENV_SIZE 0x20000
Albin Tonnerre2dc851e2009-08-20 16:04:49 +0200145#endif
146
147#define CONFIG_BOOTCOMMAND "nboot 0x21000000 0 400000"
148#define CONFIG_BOOTARGS "console=ttyS0,115200 " \
149 "root=/dev/mtdblock1 " \
150 "mtdparts=atmel_nand:16M(kernel)ro," \
151 "120M(rootfs),-(other) " \
152 "rw rootfstype=jffs2"
153
Albin Tonnerre2dc851e2009-08-20 16:04:49 +0200154#define CONFIG_SYS_PROMPT "U-Boot> "
155#define CONFIG_SYS_CBSIZE 256
156#define CONFIG_SYS_MAXARGS 16
157#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
Thomas Petazzoni65b0f872011-08-04 02:48:56 +0000158#define CONFIG_SYS_LONGHELP
159#define CONFIG_CMDLINE_EDITING
Albin Tonnerre2dc851e2009-08-20 16:04:49 +0200160
161/*
162 * Size of malloc() pool
163 */
164#define CONFIG_SYS_MALLOC_LEN ROUND(3 * CONFIG_ENV_SIZE + 128 * 1024, 0x1000)
Albin Tonnerre2dc851e2009-08-20 16:04:49 +0200165
166#define CONFIG_STACKSIZE (32 * 1024) /* regular stack */
167
168#ifdef CONFIG_USE_IRQ
169#error CONFIG_USE_IRQ not supported
170#endif
171
172#endif