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
|
/*
* (C) Copyright 2007 Michal Simek
*
* Michal SIMEK <monstr@monstr.eu>
*
* SPDX-License-Identifier: GPL-2.0+
*/
/* This is a board specific file. It's OK to include board specific
* header files */
#include <common.h>
#include <config.h>
#include <fdtdec.h>
#include <netdev.h>
#include <asm/processor.h>
#include <asm/microblaze_intc.h>
#include <asm/asm.h>
#include <asm/gpio.h>
DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_XILINX_GPIO
static int reset_pin = -1;
#endif
#if CONFIG_IS_ENABLED(OF_CONTROL)
ulong ram_base;
void dram_init_banksize(void)
{
gd->bd->bi_dram[0].start = ram_base;
gd->bd->bi_dram[0].size = get_effective_memsize();
}
int dram_init(void)
{
int node;
fdt_addr_t addr;
fdt_size_t size;
const void *blob = gd->fdt_blob;
node = fdt_node_offset_by_prop_value(blob, -1, "device_type",
"memory", 7);
if (node == -FDT_ERR_NOTFOUND) {
debug("DRAM: Can't get memory node\n");
return 1;
}
addr = fdtdec_get_addr_size(blob, node, "reg", &size);
if (addr == FDT_ADDR_T_NONE || size == 0) {
debug("DRAM: Can't get base address or size\n");
return 1;
}
ram_base = addr;
gd->ram_top = addr; /* In setup_dest_addr() is done +ram_size */
gd->ram_size = size;
return 0;
};
#else
int dram_init(void)
{
gd->ram_size = CONFIG_SYS_SDRAM_SIZE;
return 0;
}
#endif
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
#ifndef CONFIG_SPL_BUILD
#ifdef CONFIG_XILINX_GPIO
if (reset_pin != -1)
gpio_direction_output(reset_pin, 1);
#endif
#ifdef CONFIG_XILINX_TB_WATCHDOG
hw_watchdog_disable();
#endif
#endif
puts ("Reseting board\n");
__asm__ __volatile__ (" mts rmsr, r0;" \
"bra r0");
return 0;
}
int gpio_init (void)
{
#ifdef CONFIG_XILINX_GPIO
reset_pin = gpio_alloc(CONFIG_SYS_GPIO_0_ADDR, "reset", 1);
if (reset_pin != -1)
gpio_request(reset_pin, "reset_pin");
#endif
return 0;
}
void board_init(void)
{
gpio_init();
}
int board_eth_init(bd_t *bis)
{
int ret = 0;
#ifdef CONFIG_XILINX_AXIEMAC
ret |= xilinx_axiemac_initialize(bis, XILINX_AXIEMAC_BASEADDR,
XILINX_AXIDMA_BASEADDR);
#endif
#if defined(CONFIG_XILINX_EMACLITE) && defined(XILINX_EMACLITE_BASEADDR)
u32 txpp = 0;
u32 rxpp = 0;
# ifdef CONFIG_XILINX_EMACLITE_TX_PING_PONG
txpp = 1;
# endif
# ifdef CONFIG_XILINX_EMACLITE_RX_PING_PONG
rxpp = 1;
# endif
ret |= xilinx_emaclite_initialize(bis, XILINX_EMACLITE_BASEADDR,
txpp, rxpp);
#endif
return ret;
}
|
