summaryrefslogtreecommitdiffstats
path: root/board/xilinx/microblaze-generic/microblaze-generic.c
blob: 0c8bd7d1511eb6213e96fac6dcb91201b81d49a6 (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
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
159
160
161
/*
 * (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[])
{
#ifdef CONFIG_XILINX_GPIO
	if (reset_pin != -1)
		gpio_direction_output(reset_pin, 1);
#endif

#ifdef CONFIG_XILINX_TB_WATCHDOG
	hw_watchdog_disable();
#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

#ifdef CONFIG_XILINX_LL_TEMAC
# ifdef XILINX_LLTEMAC_BASEADDR
#  ifdef XILINX_LLTEMAC_FIFO_BASEADDR
	ret |= xilinx_ll_temac_eth_init(bis, XILINX_LLTEMAC_BASEADDR,
			XILINX_LL_TEMAC_M_FIFO, XILINX_LLTEMAC_FIFO_BASEADDR);
#  elif XILINX_LLTEMAC_SDMA_CTRL_BASEADDR
#   if XILINX_LLTEMAC_SDMA_USE_DCR == 1
	ret |= xilinx_ll_temac_eth_init(bis, XILINX_LLTEMAC_BASEADDR,
			XILINX_LL_TEMAC_M_SDMA_DCR,
			XILINX_LLTEMAC_SDMA_CTRL_BASEADDR);
#   else
	ret |= xilinx_ll_temac_eth_init(bis, XILINX_LLTEMAC_BASEADDR,
			XILINX_LL_TEMAC_M_SDMA_PLB,
			XILINX_LLTEMAC_SDMA_CTRL_BASEADDR);
#   endif
#  endif
# endif
# ifdef XILINX_LLTEMAC_BASEADDR1
#  ifdef XILINX_LLTEMAC_FIFO_BASEADDR1
	ret |= xilinx_ll_temac_eth_init(bis, XILINX_LLTEMAC_BASEADDR1,
			XILINX_LL_TEMAC_M_FIFO, XILINX_LLTEMAC_FIFO_BASEADDR1);
#  elif XILINX_LLTEMAC_SDMA_CTRL_BASEADDR1
#   if XILINX_LLTEMAC_SDMA_USE_DCR == 1
	ret |= xilinx_ll_temac_eth_init(bis, XILINX_LLTEMAC_BASEADDR1,
			XILINX_LL_TEMAC_M_SDMA_DCR,
			XILINX_LLTEMAC_SDMA_CTRL_BASEADDR1);
#   else
	ret |= xilinx_ll_temac_eth_init(bis, XILINX_LLTEMAC_BASEADDR1,
			XILINX_LL_TEMAC_M_SDMA_PLB,
			XILINX_LLTEMAC_SDMA_CTRL_BASEADDR1);
#   endif
#  endif
# endif
#endif

	return ret;
}
OpenPOWER on IntegriCloud