1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
|
/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Configuation settings for the esd TASREG board.
*
* (C) Copyright 2004
* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com
*/
/*
* board/config.h - configuration options, board specific
*/
#ifndef _M5249EVB_H
#define _M5249EVB_H
/*
* High Level Configuration Options
* (easy to change)
*/
#define CONFIG_MCFTMR
#define CONFIG_MCFUART
#define CONFIG_SYS_UART_PORT (0)
#undef CONFIG_WATCHDOG
#undef CONFIG_MONITOR_IS_IN_RAM /* no pre-loader required!!! ;-) */
/*
* BOOTP options
*/
#undef CONFIG_BOOTP_BOOTFILESIZE
/*
* Command line configuration.
*/
#define CONFIG_SYS_DEVICE_NULLDEV 1 /* include nulldev device */
#define CONFIG_SYS_LOAD_ADDR 0x200000 /* default load address */
#define CONFIG_SYS_MEMTEST_START 0x400
#define CONFIG_SYS_MEMTEST_END 0x380000
/*
* Clock configuration: enable only one of the following options
*/
#undef CONFIG_SYS_PLL_BYPASS /* bypass PLL for test purpose */
#define CONFIG_SYS_FAST_CLK 1 /* MCF5249 can run at 140MHz */
#define CONFIG_SYS_CLK 132025600 /* MCF5249 can run at 140MHz */
/*
* Low Level Configuration Settings
* (address mappings, register initial values, etc.)
* You should know what you are doing if you make changes here.
*/
#define CONFIG_SYS_MBAR 0x10000000 /* Register Base Addrs */
#define CONFIG_SYS_MBAR2 0x80000000
/*-----------------------------------------------------------------------
* Definitions for initial stack pointer and data area (in DPRAM)
*/
#define CONFIG_SYS_INIT_RAM_ADDR 0x20000000
#define CONFIG_SYS_INIT_RAM_SIZE 0x1000 /* Size of used area in internal SRAM */
#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_SYS_INIT_RAM_SIZE - GENERATED_GBL_DATA_SIZE)
#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
#define LDS_BOARD_TEXT \
. = DEFINED(env_offset) ? env_offset : .; \
env/embedded.o(.text);
/*-----------------------------------------------------------------------
* Start addresses for the final memory configuration
* (Set up by the startup code)
* Please note that CONFIG_SYS_SDRAM_BASE _must_ start at 0
*/
#define CONFIG_SYS_SDRAM_BASE 0x00000000
#define CONFIG_SYS_SDRAM_SIZE 16 /* SDRAM size in MB */
#define CONFIG_SYS_FLASH_BASE (CONFIG_SYS_CS0_BASE)
#if 0 /* test-only */
#define CONFIG_PRAM 512 /* test-only for SDRAM problem!!!!!!!!!!!!!!!!!!!! */
#endif
#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_FLASH_BASE + 0x400)
#define CONFIG_SYS_MONITOR_LEN 0x20000
#define CONFIG_SYS_MALLOC_LEN (1 * 1024*1024) /* Reserve 1 MB for malloc() */
#define CONFIG_SYS_BOOTPARAMS_LEN 64*1024
/*
* For booting Linux, the board info and command line data
* have to be in the first 8 MB of memory, since this is
* the maximum mapped by the Linux kernel during initialization ??
*/
#define CONFIG_SYS_BOOTMAPSZ (CONFIG_SYS_SDRAM_BASE + (CONFIG_SYS_SDRAM_SIZE << 20))
/*-----------------------------------------------------------------------
* FLASH organization
*/
#ifdef CONFIG_SYS_FLASH_CFI
# define CONFIG_SYS_FLASH_SIZE 0x1000000 /* Max size that the board might have */
# define CONFIG_SYS_FLASH_CFI_WIDTH FLASH_CFI_16BIT
# define CONFIG_SYS_MAX_FLASH_BANKS 1 /* max number of memory banks */
# define CONFIG_SYS_MAX_FLASH_SECT 137 /* max number of sectors on one chip */
# define CONFIG_SYS_FLASH_CHECKSUM
# define CONFIG_SYS_FLASH_BANKS_LIST { CONFIG_SYS_FLASH_BASE }
#endif
/*-----------------------------------------------------------------------
* Cache Configuration
*/
#define CONFIG_SYS_CACHELINE_SIZE 16
#define ICACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \
CONFIG_SYS_INIT_RAM_SIZE - 8)
#define DCACHE_STATUS (CONFIG_SYS_INIT_RAM_ADDR + \
CONFIG_SYS_INIT_RAM_SIZE - 4)
#define CONFIG_SYS_ICACHE_INV (CF_CACR_DCM)
#define CONFIG_SYS_CACHE_ACR0 (CONFIG_SYS_FLASH_BASE | \
CF_ADDRMASK(2) | \
CF_ACR_EN | CF_ACR_SM_ALL)
#define CONFIG_SYS_CACHE_ACR1 (CONFIG_SYS_SDRAM_BASE | \
CF_ADDRMASK(CONFIG_SYS_SDRAM_SIZE) | \
CF_ACR_EN | CF_ACR_SM_ALL)
#define CONFIG_SYS_CACHE_ICACR (CF_CACR_CENB | CF_CACR_CEIB | \
CF_CACR_DBWE)
/*-----------------------------------------------------------------------
* Memory bank definitions
*/
/* CS0 - AMD Flash, address 0xffc00000 */
#define CONFIG_SYS_CS0_BASE 0xffe00000
#define CONFIG_SYS_CS0_CTRL 0x00001980 /* WS=0110, AA=1, PS=10 */
/** Note: There is a CSMR0/DRAM vector problem, need to disable C/I ***/
#define CONFIG_SYS_CS0_MASK 0x003f0021 /* 4MB, AA=0, WP=0, C/I=1, V=1 */
/* CS1 - FPGA, address 0xe0000000 */
#define CONFIG_SYS_CS1_BASE 0xe0000000
#define CONFIG_SYS_CS1_CTRL 0x00000d80 /* WS=0011, AA=1, PS=10 */
#define CONFIG_SYS_CS1_MASK 0x00010001 /* 128kB, AA=0, WP=0, C/I=0, V=1*/
/*-----------------------------------------------------------------------
* Port configuration
*/
#define CONFIG_SYS_GPIO_FUNC 0x00000008 /* Set gpio pins: none */
#define CONFIG_SYS_GPIO1_FUNC 0x00df00f0 /* 36-39(SWITCH),48-52(FPGAs),54*/
#define CONFIG_SYS_GPIO_EN 0x00000008 /* Set gpio output enable */
#define CONFIG_SYS_GPIO1_EN 0x00c70000 /* Set gpio output enable */
#define CONFIG_SYS_GPIO_OUT 0x00000008 /* Set outputs to default state */
#define CONFIG_SYS_GPIO1_OUT 0x00c70000 /* Set outputs to default state */
#define CONFIG_SYS_GPIO1_LED 0x00400000 /* user led */
#endif /* M5249 */
|
