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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
Heiko Schocherd0b37232014-10-01 07:26:06 +020027#define CONFIG_SYS_GENERIC_BOARD
28
Heiko Schocher0f8bc282013-12-02 07:47:22 +010029/*
30 * Warning: changing CONFIG_SYS_TEXT_BASE requires
31 * adapting the initial boot program.
32 * Since the linker has to swallow that define, we must use a pure
33 * hex number here!
34 */
35
36
37#define CONFIG_SYS_TEXT_BASE 0x23f00000
38
39/* ARM asynchronous clock */
40#define CONFIG_SYS_AT91_SLOW_CLOCK 32768 /* slow clock xtal */
41#define CONFIG_SYS_AT91_MAIN_CLOCK 18432000 /* main clock xtal */
Heiko Schocher0f8bc282013-12-02 07:47:22 +010042
43/* Misc CPU related */
44#define CONFIG_ARCH_CPU_INIT
45#define CONFIG_CMDLINE_TAG /* enable passing of ATAGs */
46#define CONFIG_SETUP_MEMORY_TAGS
47#define CONFIG_INITRD_TAG
48#define CONFIG_SKIP_LOWLEVEL_INIT
49#define CONFIG_BOARD_EARLY_INIT_F
50#define CONFIG_DISPLAY_CPUINFO
51
52#define CONFIG_CMD_BOOTZ
53#define CONFIG_OF_LIBFDT
54
55/* general purpose I/O */
56#define CONFIG_ATMEL_LEGACY /* required until (g)pio is fixed */
57#define CONFIG_AT91_GPIO
58#define CONFIG_AT91_GPIO_PULLUP 1 /* keep pullups on peripheral pins */
59
60/* serial console */
61#define CONFIG_ATMEL_USART
62#define CONFIG_USART_BASE ATMEL_BASE_DBGU
63#define CONFIG_USART_ID ATMEL_ID_SYS
64#define CONFIG_BAUDRATE 115200
65
66#define CONFIG_BOOTDELAY 3
67
68/*
69 * Command line configuration.
70 */
71#include <config_cmd_default.h>
72#undef CONFIG_CMD_BDI
73#undef CONFIG_CMD_FPGA
74#undef CONFIG_CMD_IMI
75#undef CONFIG_CMD_IMLS
76#undef CONFIG_CMD_LOADS
77#undef CONFIG_CMD_SOURCE
78
79#define CONFIG_CMD_PING
80#define CONFIG_CMD_DHCP
81#define CONFIG_CMD_NAND
82
83/*
84 * SDRAM: 1 bank, min 32, max 128 MB
85 * Initialized before u-boot gets started.
86 */
87#define CONFIG_NR_DRAM_BANKS 1
88#define CONFIG_SYS_SDRAM_BASE ATMEL_BASE_CS1
89#define CONFIG_SYS_SDRAM_SIZE (128 * 1024 * 1024)
90
91/*
92 * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
93 * leaving the correct space for initial global data structure above
94 * that address while providing maximum stack area below.
95 */
96# define CONFIG_SYS_INIT_SP_ADDR \
97 (ATMEL_BASE_SRAM1 + 0x1000 - GENERATED_GBL_DATA_SIZE)
98
99/* NAND flash */
100#ifdef CONFIG_CMD_NAND
101#define CONFIG_NAND_ATMEL
102#define CONFIG_SYS_MAX_NAND_DEVICE 1
103#define CONFIG_SYS_NAND_BASE ATMEL_BASE_CS3
104#define CONFIG_SYS_NAND_DBW_8
105#define CONFIG_SYS_NAND_MASK_ALE (1 << 21)
106#define CONFIG_SYS_NAND_MASK_CLE (1 << 22)
107#define CONFIG_SYS_NAND_ENABLE_PIN AT91_PIN_PC14
108#define CONFIG_SYS_NAND_READY_PIN AT91_PIN_PC13
109#endif
110
111/* NOR flash - no real flash on this board */
112#define CONFIG_SYS_NO_FLASH 1
113
114/* Ethernet */
115#define CONFIG_MACB
116#define CONFIG_RMII
117#define CONFIG_AT91_WANTS_COMMON_PHY
118
119/* USB */
120#if defined(CONFIG_BOARD_TAURUS)
121#define CONFIG_USB_ATMEL
122#define CONFIG_USB_OHCI_NEW
123#define CONFIG_SYS_USB_OHCI_CPU_INIT
124#define CONFIG_SYS_USB_OHCI_REGS_BASE 0x00500000
125#define CONFIG_SYS_USB_OHCI_SLOT_NAME "at91sam9260"
126#define CONFIG_SYS_USB_OHCI_MAX_ROOT_PORTS 2
127#define CONFIG_USB_STORAGE
128#endif
129
130/* load address */
131#define CONFIG_SYS_LOAD_ADDR 0x22000000
132
133/* bootstrap in spi flash , u-boot + env + linux in nandflash */
134#define CONFIG_ENV_IS_IN_NAND
135#define CONFIG_ENV_OFFSET 0x100000
136#define CONFIG_ENV_OFFSET_REDUND 0x180000
137#define CONFIG_ENV_SIZE 0x20000 /* 1 sector = 128 kB */
138#define CONFIG_BOOTCOMMAND "nand read 0x22000000 0x200000 0x300000; bootm"
139#define CONFIG_BOOTARGS \
140 "console=ttyS0,115200 earlyprintk " \
141 "mtdparts=atmel_nand:256k(bootstrap)ro,512k(uboot)ro," \
142 "256k(env),256k(env_redundant),256k(spare)," \
143 "512k(dtb),6M(kernel)ro,-(rootfs) " \
144 "root=/dev/mtdblock7 rw rootfstype=jffs2"
145
146#define CONFIG_SYS_PROMPT "U-Boot> "
147#define CONFIG_SYS_CBSIZE 256
148#define CONFIG_SYS_MAXARGS 16
149#define CONFIG_SYS_PBSIZE \
150 (CONFIG_SYS_CBSIZE + sizeof(CONFIG_SYS_PROMPT) + 16)
151#define CONFIG_SYS_LONGHELP
152#define CONFIG_CMDLINE_EDITING
153#define CONFIG_AUTO_COMPLETE
154
155/*
156 * Size of malloc() pool
157 */
158#define CONFIG_SYS_MALLOC_LEN \
159 ROUND(3 * CONFIG_ENV_SIZE + 128*1024, 0x1000)
160
161#endif