xref: /openbmc/u-boot/include/configs/meesc.h (revision 679590eb)
1  /*
2   * (C) Copyright 2007-2008
3   * Stelian Pop <stelian@popies.net>
4   * Lead Tech Design <www.leadtechdesign.com>
5   *
6   * (C) Copyright 2009-2015
7   * Daniel Gorsulowski <daniel.gorsulowski@esd.eu>
8   * esd electronic system design gmbh <www.esd.eu>
9   *
10   * Configuation settings for the esd MEESC board.
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  /*
25   * Warning: changing CONFIG_SYS_TEXT_BASE requires
26   * adapting the initial boot program.
27   * Since the linker has to swallow that define, we must use a pure
28   * hex number here!
29   */
30  #define CONFIG_SYS_TEXT_BASE		0x21F00000
31  
32  /* ARM asynchronous clock */
33  #define CONFIG_SYS_AT91_SLOW_CLOCK	32768	/* 32.768 kHz crystal */
34  #define CONFIG_SYS_AT91_MAIN_CLOCK	16000000/* 16.0 MHz crystal */
35  
36  /* Misc CPU related */
37  #define CONFIG_SKIP_LOWLEVEL_INIT
38  #define CONFIG_ARCH_CPU_INIT
39  #define CONFIG_SETUP_MEMORY_TAGS
40  #define CONFIG_INITRD_TAG
41  #define CONFIG_SERIAL_TAG
42  #define CONFIG_REVISION_TAG
43  #define CONFIG_CMDLINE_TAG			/* enable passing of ATAGs */
44  #define CONFIG_MISC_INIT_R			/* Call misc_init_r */
45  
46  #define CONFIG_PREBOOT				/* enable preboot variable */
47  
48  /*
49   * Hardware drivers
50   */
51  
52  /*
53   * BOOTP options
54   */
55  #define CONFIG_BOOTP_BOOTFILESIZE
56  #define CONFIG_BOOTP_BOOTPATH
57  #define CONFIG_BOOTP_GATEWAY
58  #define CONFIG_BOOTP_HOSTNAME
59  
60  /*
61   * SDRAM: 1 bank, min 32, max 128 MB
62   * Initialized before u-boot gets started.
63   */
64  #define PHYS_SDRAM					ATMEL_BASE_CS1 /* 0x20000000 */
65  #define PHYS_SDRAM_SIZE				0x02000000     /* 32 MByte */
66  
67  #define CONFIG_NR_DRAM_BANKS		1
68  #define CONFIG_SYS_SDRAM_BASE		PHYS_SDRAM
69  #define CONFIG_SYS_SDRAM_SIZE		PHYS_SDRAM_SIZE
70  
71  #define CONFIG_SYS_MEMTEST_START	(CONFIG_SYS_SDRAM_BASE + 0x00100000)
72  #define CONFIG_SYS_MEMTEST_END		(CONFIG_SYS_SDRAM_BASE + 0x01E00000)
73  #define CONFIG_SYS_LOAD_ADDR		(CONFIG_SYS_SDRAM_BASE + 0x00100000)
74  
75  /*
76   * Initial stack pointer: 4k - GENERATED_GBL_DATA_SIZE in internal SRAM,
77   * leaving the correct space for initial global data structure above
78   * that address while providing maximum stack area below.
79   */
80  #define CONFIG_SYS_INIT_SP_ADDR \
81  	(ATMEL_BASE_SRAM0 + 16 * 1024 - GENERATED_GBL_DATA_SIZE)
82  
83  /* NAND flash */
84  #ifdef CONFIG_CMD_NAND
85  # define CONFIG_NAND_ATMEL
86  # define CONFIG_SYS_MAX_NAND_DEVICE		1
87  # define CONFIG_SYS_NAND_BASE			ATMEL_BASE_CS3 /* 0x40000000 */
88  # define CONFIG_SYS_NAND_DBW_8
89  # define CONFIG_SYS_NAND_MASK_ALE		(1 << 21)
90  # define CONFIG_SYS_NAND_MASK_CLE		(1 << 22)
91  # define CONFIG_SYS_NAND_ENABLE_PIN		GPIO_PIN_PD(15)
92  # define CONFIG_SYS_NAND_READY_PIN		GPIO_PIN_PA(22)
93  #endif
94  
95  /* Ethernet */
96  #define CONFIG_MACB
97  #define CONFIG_RMII
98  #define CONFIG_NET_RETRY_COUNT			20
99  #undef CONFIG_RESET_PHY_R
100  
101  /* hw-controller addresses */
102  #define CONFIG_ET1100_BASE		0x70000000
103  
104  #ifdef CONFIG_SYS_USE_DATAFLASH
105  
106  /* bootstrap + u-boot + env in dataflash on CS0 */
107  #define CONFIG_ENV_OFFSET	0x4200
108  #define CONFIG_ENV_SIZE		0x4200
109  #define CONFIG_ENV_SECT_SIZE	0x210
110  #define CONFIG_ENV_SPI_MAX_HZ	15000000
111  
112  #elif CONFIG_SYS_USE_NANDFLASH
113  
114  /* bootstrap + u-boot + env + linux in nandflash */
115  # define CONFIG_ENV_OFFSET		0xC0000
116  # define CONFIG_ENV_SIZE		0x20000
117  
118  #endif
119  
120  #define CONFIG_SYS_CBSIZE		512
121  #define CONFIG_SYS_MAXARGS		16
122  #define CONFIG_SYS_PBSIZE		(CONFIG_SYS_CBSIZE + \
123  					sizeof(CONFIG_SYS_PROMPT) + 16)
124  #define CONFIG_SYS_LONGHELP
125  #define CONFIG_CMDLINE_EDITING
126  #define CONFIG_AUTO_COMPLETE
127  
128  /*
129   * Size of malloc() pool
130   */
131  #define CONFIG_SYS_MALLOC_LEN		ROUND(3 * CONFIG_ENV_SIZE + \
132  					128*1024, 0x1000)
133  
134  #endif
135