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
|
/*
* Copyright (C) Freescale Semiconductor, Inc. 2006.
*
* (C) Copyright 2008
* Andre Schwarz, Matrix Vision GmbH, andre.schwarz@matrix-vision.de
*
* 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>
#if defined(CONFIG_OF_LIBFDT)
#include <libfdt.h>
#endif
#include <pci.h>
#include <mpc83xx.h>
#include <fpga.h>
#include "mvblm7.h"
#include "fpga.h"
#include "../common/mv_common.h"
DECLARE_GLOBAL_DATA_PTR;
static struct pci_region pci_regions[] = {
{
bus_start: CONFIG_SYS_PCI1_MEM_BASE,
phys_start: CONFIG_SYS_PCI1_MEM_PHYS,
size: CONFIG_SYS_PCI1_MEM_SIZE,
flags: PCI_REGION_MEM | PCI_REGION_PREFETCH
},
{
bus_start: CONFIG_SYS_PCI1_MMIO_BASE,
phys_start: CONFIG_SYS_PCI1_MMIO_PHYS,
size: CONFIG_SYS_PCI1_MMIO_SIZE,
flags: PCI_REGION_MEM
},
{
bus_start: CONFIG_SYS_PCI1_IO_BASE,
phys_start: CONFIG_SYS_PCI1_IO_PHYS,
size: CONFIG_SYS_PCI1_IO_SIZE,
flags: PCI_REGION_IO
}
};
void pci_init_board(void)
{
int i;
volatile immap_t *immr;
volatile pcictrl83xx_t *pci_ctrl;
volatile gpio83xx_t *gpio;
volatile clk83xx_t *clk;
volatile law83xx_t *pci_law;
struct pci_region *reg[] = { pci_regions };
immr = (immap_t *) CONFIG_SYS_IMMR;
clk = (clk83xx_t *) &immr->clk;
pci_ctrl = immr->pci_ctrl;
pci_law = immr->sysconf.pcilaw;
gpio = (volatile gpio83xx_t *)&immr->gpio[0];
gpio->dat = MV_GPIO_DAT;
gpio->odr = MV_GPIO_ODE;
gpio->dir = MV_GPIO_OUT;
printf("SICRH / SICRL : 0x%08x / 0x%08x\n", immr->sysconf.sicrh,
immr->sysconf.sicrl);
mvblm7_init_fpga();
mv_load_fpga();
gpio->dir = MV_GPIO_OUT & ~(FPGA_DIN|FPGA_CCLK);
/* Enable PCI_CLK_OUTPUTs 0 and 1 with 1:1 clocking */
clk->occr = 0xc0000000;
pci_ctrl[0].gcr = 0;
udelay(2000);
pci_ctrl[0].gcr = 1;
for (i = 0; i < 1000; ++i)
udelay(1000);
pci_law[0].bar = CONFIG_SYS_PCI1_MEM_PHYS & LAWBAR_BAR;
pci_law[0].ar = LBLAWAR_EN | LBLAWAR_1GB;
pci_law[1].bar = CONFIG_SYS_PCI1_IO_PHYS & LAWBAR_BAR;
pci_law[1].ar = LBLAWAR_EN | LBLAWAR_1MB;
mpc83xx_pci_init(1, reg);
}
|
