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Stefan Kristianssonf179cc62011-11-26 19:04:55 +00001/*
2 * (C) Copyright 2011, Stefan Kristiansson, stefan.kristianssons@saunalahti.fi
3 *
Wolfgang Denk3765b3e2013-10-07 13:07:26 +02004 * SPDX-License-Identifier: GPL-2.0+
Stefan Kristianssonf179cc62011-11-26 19:04:55 +00005 */
6
7#ifndef __CONFIG_H
8#define __CONFIG_H
9
10/*
11 * BOARD/CPU
12 */
13
14#define CONFIG_SYS_CLK_FREQ 50000000
15#define CONFIG_SYS_RESET_ADDR 0x00000100
16
17#define CONFIG_SYS_SDRAM_BASE 0x00000000
18#define CONFIG_SYS_SDRAM_SIZE 0x02000000
19
20#define CONFIG_SYS_CACHELINE_SIZE 16
21
22#define CONFIG_SYS_UART_BASE 0x90000000
23#define CONFIG_SYS_UART_FREQ CONFIG_SYS_CLK_FREQ
24#define CONFIG_SYS_UART_BAUD 115200
25
26#define CONFIG_BOARD_NAME "OpenRISC Generic"
27
28#define CONFIG_SYS_NO_FLASH
29#define CONFIG_SYS_MAX_FLASH_SECT 0
30
31/*
32 * SERIAL
33 */
Stefan Kristianssonf179cc62011-11-26 19:04:55 +000034# define CONFIG_SYS_NS16550_SERIAL
35# define CONFIG_SYS_NS16550_REG_SIZE 1
36# define CONFIG_CONS_INDEX 1
37# define CONFIG_SYS_NS16550_COM1 (0x90000000)
38# define CONFIG_SYS_NS16550_CLK CONFIG_SYS_CLK_FREQ
39
40#define CONFIG_BAUDRATE CONFIG_SYS_UART_BAUD
41#define CONFIG_SYS_BAUDRATE_TABLE {CONFIG_BAUDRATE}
42#define CONFIG_SYS_CONSOLE_INFO_QUIET /* Suppress console info */
43#define CONSOLE_ARG "console=console=ttyS0,115200\0"
44
45/*
46 * Ethernet
47 */
48#define CONFIG_ETHOC
49#define CONFIG_SYS_ETHOC_BASE 0x92000000
50
51#define CONFIG_BOOTFILE "boot.img"
52#define CONFIG_LOADADDR 0x100000 /* 1MB mark */
53
54/*
55 * TIMER
56 */
Stefan Kristianssonf179cc62011-11-26 19:04:55 +000057#define CONFIG_SYS_OPENRISC_TMR_HZ 100
58
59/*
60 * Memory organisation:
61 *
62 * RAM start ---------------------------
63 * | ... |
64 * ---------------------------
65 * | Stack |
66 * ---------------------------
67 * | Global data |
68 * ---------------------------
69 * | Environment |
70 * ---------------------------
71 * | Monitor |
72 * RAM end ---------------------------
73 */
74/* We're running in RAM */
75#define CONFIG_MONITOR_IS_IN_RAM
76#define CONFIG_SYS_MONITOR_LEN 0x40000 /* Reserve 256k */
77#define CONFIG_SYS_MONITOR_BASE (CONFIG_SYS_SDRAM_BASE + \
78 CONFIG_SYS_SDRAM_SIZE - \
79 CONFIG_SYS_MONITOR_LEN)
80
81#define CONFIG_ENV_IS_NOWHERE
82#define CONFIG_ENV_SIZE 0x20000 /* Total Size of Environment, 128KB */
83#define CONFIG_ENV_ADDR (CONFIG_SYS_MONITOR_BASE - CONFIG_ENV_SIZE)
84
85/*
86 * Global data object and stack pointer
87 */
88#define CONFIG_SYS_GBL_DATA_OFFSET (CONFIG_ENV_ADDR \
89 - GENERATED_GBL_DATA_SIZE)
90#define CONFIG_SYS_GBL_DATA_ADDR CONFIG_SYS_GBL_DATA_OFFSET
91#define CONFIG_SYS_INIT_SP_ADDR CONFIG_SYS_GBL_DATA_OFFSET
92#define CONFIG_SYS_INIT_SP_OFFSET CONFIG_SYS_GBL_DATA_OFFSET
93#define CONFIG_SYS_STACK_LENGTH 0x10000 /* 64KB */
94#define CONFIG_SYS_MALLOC_LEN 0x400000 /* 4MB */
95#define CONFIG_SYS_MALLOC_BASE (CONFIG_SYS_INIT_SP_OFFSET \
96 - CONFIG_SYS_STACK_LENGTH \
97 - CONFIG_SYS_MALLOC_LEN)
98/*
99 * MISC
100 */
101#define CONFIG_SYS_LONGHELP /* Provide extended help */
Stefan Kristianssonf179cc62011-11-26 19:04:55 +0000102#define CONFIG_SYS_CBSIZE 256 /* Console I/O buf size */
103#define CONFIG_SYS_MAXARGS 16 /* Max command args */
104#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE /* Bootarg buf size */
105#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \
106 sizeof(CONFIG_SYS_PROMPT) + \
107 16) /* Print buf size */
108#define CONFIG_SYS_LOAD_ADDR CONFIG_SYS_SDRAM_BASE
109#define CONFIG_SYS_MEMTEST_START (CONFIG_SYS_SDRAM_BASE + 0x2000)
110#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_INIT_SP_ADDR - 0x20000)
111#define CONFIG_CMDLINE_EDITING
112
113/*
114 * Command line configuration.
115 */
Stefan Kristianssonf179cc62011-11-26 19:04:55 +0000116#define CONFIG_CMD_IRQ
Stefan Kristianssonf179cc62011-11-26 19:04:55 +0000117#define CONFIG_CMD_BSP
118
Stefan Kristianssonf179cc62011-11-26 19:04:55 +0000119#define CONFIG_LMB
120
121/*
122 * BOOTP options
123 */
124#define CONFIG_BOOTP_BOOTFILESIZE
125#define CONFIG_BOOTP_BOOTPATH
126#define CONFIG_BOOTP_GATEWAY
127#define CONFIG_BOOTP_HOSTNAME
128
Stefan Kristianssonf179cc62011-11-26 19:04:55 +0000129#endif /* __CONFIG_H */