blob: 28686d1ee40ae52de3c5f873d495ec6fc41bbdd6 (
plain)
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
|
/* de0_nano.S -- Support for the DE0 nano board.
*
* Copyright (c) 2012 Authors
*
* Contributor Stefan Kristiansson <stefan.kristiansson@saunalahti.fi>
*
* The authors hereby grant permission to use, copy, modify, distribute,
* and license this software and its documentation for any purpose, provided
* that existing copyright notices are retained in all copies and that this
* notice is included verbatim in any distributions. No written agreement,
* license, or royalty fee is required for any of the authorized uses.
* Modifications to this software may be copyrighted by their authors
* and need not follow the licensing terms described here, provided that
* the new terms are clearly indicated on the first page of each file where
* they apply.
*/
#include "../include/or1k-asm.h"
#include "../include/or1k-nop.h"
/*
* Define symbols to be used during startup - file is linked at compile time
*
*/
.weak _or1k_board_mem_base
.weak _or1k_board_mem_size
.weak _or1k_board_clk_freq
_or1k_board_mem_base: .long 0x0
_or1k_board_mem_size: .long 0x2000000
_or1k_board_clk_freq: .long 50000000
/* Peripheral information - Set base to 0 if not present*/
.weak _or1k_board_uart_base
.weak _or1k_board_uart_baud
.weak _or1k_board_uart_IRQ
_or1k_board_uart_base: .long 0x90000000
_or1k_board_uart_baud: .long 115200
_or1k_board_uart_IRQ: .long 2
.weak _or1k_board_exit
_or1k_board_exit:
l.nop OR1K_NOP_K_EXIT_QUIET
.Lexitloop:
OR1K_DELAYED_NOP(l.j .Lexitloop)
.global _or1k_board_init_early
_or1k_board_init_early:
OR1K_DELAYED_NOP(l.jr r9)
.weak _or1k_board_init
_or1k_board_init:
OR1K_DELAYED_NOP(l.jr r9)
|
