blob: c98002317fe238251ead9dd864288c0b6cdf1bb2 [file] [log] [blame]
Heiko Schocher0f8bc282013-12-02 07:47:22 +01001/*
2 * Common board functions for Siemens TAURUS (AT91SAM9G20) based boards
3 * (C) Copyright 2013 Siemens AG
4 *
5 * Based on:
6 * U-Boot file: include/configs/at91sam9260ek.h
7 *
8 * (C) Copyright 2007-2008
9 * Stelian Pop <stelian@popies.net>
10 * Lead Tech Design <www.leadtechdesign.com>
11 *
12 * SPDX-License-Identifier: GPL-2.0+
13 */
14
15#ifndef __CONFIG_H
16#define __CONFIG_H
17
18/*
19 * SoC must be defined first, before hardware.h is included.
20 * In this case SoC is defined in boards.cfg.
21 */
22#include <asm/hardware.h>
23
24#define MACH_TYPE_TAURUS 2067
25#define MACH_TYPE_AXM 2068
26
27/*
28 * Warning: changing CONFIG_SYS_TEXT_BASE requires
29 * adapting the initial boot program.
30 * Since the linker has to swallow that define, we must use a pure
31 * hex number here!
32 */
33
34
35#define CONFIG_SYS_TEXT_BASE 0x23f00000
36
37/* ARM asynchronous clock */
38#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
39#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */
40#define CONFIG_SYS_HZ 1000
41
42/* Misc CPU related */
43#define CONFIG_ARCH_CPU_INIT
44#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
45#define CONFIG_SETUP_MEMORY_TAGS
46#define CONFIG_INITRD_TAG
47#define CONFIG_SKIP_LOWLEVEL_INIT
48#define CONFIG_BOARD_EARLY_INIT_F
49#define CONFIG_DISPLAY_CPUINFO
50
51#define CONFIG_CMD_BOOTZ
52#define CONFIG_OF_LIBFDT
53
54/* general purpose I/O */
55#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
56#define CONFIG_AT91_GPIO
57#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
58
59/* serial console */
60#define CONFIG_ATMEL_USART
61#define CONFIG_USART_BASE ATMEL_BASE_DBGU
62#define CONFIG_USART_ID ATMEL_ID_SYS
63#define CONFIG_BAUDRATE 115200
64
65#define CONFIG_BOOTDELAY 3
66
67/*
68 * Command line configuration.
69 */
70#include <config_cmd_default.h>
71#undef CONFIG_CMD_BDI
72#undef CONFIG_CMD_FPGA
73#undef CONFIG_CMD_IMI
74#undef CONFIG_CMD_IMLS
75#undef CONFIG_CMD_LOADS
76#undef CONFIG_CMD_SOURCE
77
78#define CONFIG_CMD_PING
79#define CONFIG_CMD_DHCP
80#define CONFIG_CMD_NAND
81
82/*
83 * SDRAM: 1 bank, min 32, max 128 MB
84 * Initialized before u-boot gets started.
85 */
86#define CONFIG_NR_DRAM_BANKS 1
87#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
88#define CONFIG_SYS_SDRAM_SIZE (128 * 1024 * 1024)
89
90/*
91 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
92 * leaving the correct space for initial global data structure above
93 * that address while providing maximum stack area below.
94 */
95# define CONFIG_SYS_INIT_SP_ADDR \
96 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
97
98/* NAND flash */
99#ifdef CONFIG_CMD_NAND
100#define CONFIG_NAND_ATMEL
101#define CONFIG_SYS_MAX_NAND_DEVICE 1
102#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
103#define CONFIG_SYS_NAND_DBW_8
104#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
105#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
106#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
107#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
108#endif
109
110/* NOR flash - no real flash on this board */
111#define CONFIG_SYS_NO_FLASH 1
112
113/* Ethernet */
114#define CONFIG_MACB
115#define CONFIG_RMII
116#define CONFIG_AT91_WANTS_COMMON_PHY
117
118/* USB */
119#if defined(CONFIG_BOARD_TAURUS)
120#define CONFIG_USB_ATMEL
121#define CONFIG_USB_OHCI_NEW
122#define CONFIG_SYS_USB_OHCI_CPU_INIT
123#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000
124#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
125#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
126#define CONFIG_USB_STORAGE
127#endif
128
129/* load address */
130#define CONFIG_SYS_LOAD_ADDR 0x22000000
131
132/* bootstrap in spi flash , u-boot + env + linux in nandflash */
133#define CONFIG_ENV_IS_IN_NAND
134#define CONFIG_ENV_OFFSET 0x100000
135#define CONFIG_ENV_OFFSET_REDUND 0x180000
136#define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
137#define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm"
138#define CONFIG_BOOTARGS \
139 "console=ttyS0,115200 earlyprintk " \
140 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
141 "256k(env),256k(env_redundant),256k(spare)," \
142 "512k(dtb),6M(kernel)ro,-(rootfs) " \
143 "root=/dev/mtdblock7 rw rootfstype=jffs2"
144
145#define CONFIG_SYS_PROMPT "U-Boot> "
146#define CONFIG_SYS_CBSIZE 256
147#define CONFIG_SYS_MAXARGS 16
148#define CONFIG_SYS_PBSIZE \
149 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
150#define CONFIG_SYS_LONGHELP
151#define CONFIG_CMDLINE_EDITING
152#define CONFIG_AUTO_COMPLETE
153
154/*
155 * Size of malloc() pool
156 */
157#define CONFIG_SYS_MALLOC_LEN \
158 ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
159
160#endif