summaryrefslogtreecommitdiff
path: root/board/freescale/mpc8308rdb/mpc8308rdb.c
blob: 5c543573a81f046f88c1c1d2f5c9715151fad2ab (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
/*
 * Copyright (C) 2010 Freescale Semiconductor, Inc.
 * Copyright (C) 2010 Ilya Yanok, Emcraft Systems, yanok@emcraft.com
 *
 * See file CREDITS for list of people who contributed to this
 * project.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation; either version 2 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS for A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA 02111-1307 USA
 */

#include <common.h>
#include <hwconfig.h>
#include <i2c.h>
#include <libfdt.h>
#include <fdt_support.h>
#include <pci.h>
#include <mpc83xx.h>
#include <vsc7385.h>
#include <netdev.h>
#include <asm/io.h>
#include <asm/fsl_serdes.h>
#include <asm/fsl_mpc83xx_serdes.h>

DECLARE_GLOBAL_DATA_PTR;

static u8 read_board_info(void)
{
	u8 val8;
	i2c_set_bus_num(0);

	if (i2c_read(CONFIG_SYS_I2C_PCF8574A_ADDR, 0, 0, &val8, 1) == 0)
		return val8;
	else
		return 0;
}

int checkboard(void)
{
	static const char * const rev_str[] = {
		"1.0",
		"<reserved>",
		"<reserved>",
		"<reserved>",
		"<unknown>",
	};
	u8 info;
	int i;

	info = read_board_info();
	i = (!info) ? 4 : info & 0x03;

	printf("Board: Freescale MPC8308RDB Rev %s\n", rev_str[i]);

	return 0;
}

static struct pci_region pcie_regions_0[] = {
	{
		.bus_start = CONFIG_SYS_PCIE1_MEM_BASE,
		.phys_start = CONFIG_SYS_PCIE1_MEM_PHYS,
		.size = CONFIG_SYS_PCIE1_MEM_SIZE,
		.flags = PCI_REGION_MEM,
	},
	{
		.bus_start = CONFIG_SYS_PCIE1_IO_BASE,
		.phys_start = CONFIG_SYS_PCIE1_IO_PHYS,
		.size = CONFIG_SYS_PCIE1_IO_SIZE,
		.flags = PCI_REGION_IO,
	},
};

void pci_init_board(void)
{
	immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
	sysconf83xx_t *sysconf = &immr->sysconf;
	law83xx_t *pcie_law = sysconf->pcielaw;
	struct pci_region *pcie_reg[] = { pcie_regions_0 };

	fsl_setup_serdes(CONFIG_FSL_SERDES1, FSL_SERDES_PROTO_PEX,
					FSL_SERDES_CLK_100, FSL_SERDES_VDD_1V);

	/* Deassert the resets in the control register */
	out_be32(&sysconf->pecr1, 0xE0008000);
	udelay(2000);

	/* Configure PCI Express Local Access Windows */
	out_be32(&pcie_law[0].bar, CONFIG_SYS_PCIE1_BASE & LAWBAR_BAR);
	out_be32(&pcie_law[0].ar, LBLAWAR_EN | LBLAWAR_512MB);

	mpc83xx_pcie_init(1, pcie_reg);
}
/*
 * Miscellaneous late-boot configurations
 *
 * If a VSC7385 microcode image is present, then upload it.
*/
int misc_init_r(void)
{
#ifdef CONFIG_VSC7385_IMAGE
	if (vsc7385_upload_firmware((void *) CONFIG_VSC7385_IMAGE,
		CONFIG_VSC7385_IMAGE_SIZE)) {
		puts("Failure uploading VSC7385 microcode.\n");
		return 1;
	}
#endif

	return 0;
}
#if defined(CONFIG_OF_BOARD_SETUP)
void ft_board_setup(void *blob, bd_t *bd)
{
	ft_cpu_setup(blob, bd);
	fdt_fixup_dr_usb(blob, bd);
}
#endif

int board_eth_init(bd_t *bis)
{
	int rv, num_if = 0;

	/* Initialize TSECs first */
	rv = cpu_eth_init(bis);
	if (rv >= 0)
		num_if += rv;
	else
		printf("ERROR: failed to initialize TSECs.\n");

	rv = pci_eth_init(bis);
	if (rv >= 0)
		num_if += rv;
	else
		printf("ERROR: failed to initialize PCI Ethernet.\n");

	return num_if;
}