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
|
/*
* (C) Copyright 2004, Psyent Corporation <www.psyent.com>
* Scott McNutt <smcnutt@psyent.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <asm/nios2.h>
#include <asm/cache.h>
DECLARE_GLOBAL_DATA_PTR;
#if defined (CONFIG_SYS_NIOS_SYSID_BASE)
extern void display_sysid (void);
#endif /* CONFIG_SYS_NIOS_SYSID_BASE */
#ifdef CONFIG_DISPLAY_CPUINFO
int print_cpuinfo(void)
{
printf ("CPU : Nios-II\n");
#if !defined(CONFIG_SYS_NIOS_SYSID_BASE)
printf ("SYSID : <unknown>\n");
#else
display_sysid ();
#endif
return (0);
}
#endif /* CONFIG_DISPLAY_CPUINFO */
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
disable_interrupts();
/* indirect call to go beyond 256MB limitation of toolchain */
nios2_callr(CONFIG_SYS_RESET_ADDR);
return 0;
}
int dcache_status(void)
{
return 1;
}
void dcache_enable(void)
{
flush_dcache(CONFIG_SYS_DCACHE_SIZE, CONFIG_SYS_DCACHELINE_SIZE);
}
void dcache_disable(void)
{
flush_dcache(CONFIG_SYS_DCACHE_SIZE, CONFIG_SYS_DCACHELINE_SIZE);
}
int arch_cpu_init(void)
{
gd->cpu_clk = CONFIG_SYS_CLK_FREQ;
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
return 0;
}
|
