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
|
/* *********************************************************************
* Broadcom Common Firmware Environment (CFE)
*
* NS16550 UART driver (PCI) File: dev_ns16550_pci.c
*
* This is a console device driver for a PCI NS16550 UART
*
* Author: Mitch Lichtenberg (mpl@broadcom.com)
*
*********************************************************************
*
* Copyright 2000,2001,2002,2003
* Broadcom Corporation. All rights reserved.
*
* This software is furnished under license and may be used and
* copied only in accordance with the following terms and
* conditions. Subject to these conditions, you may download,
* copy, install, use, modify and distribute modified or unmodified
* copies of this software in source and/or binary form. No title
* or ownership is transferred hereby.
*
* 1) Any source code used, modified or distributed must reproduce
* and retain this copyright notice and list of conditions
* as they appear in the source file.
*
* 2) No right is granted to use any trade name, trademark, or
* logo of Broadcom Corporation. The "Broadcom Corporation"
* name may not be used to endorse or promote products derived
* from this software without the prior written permission of
* Broadcom Corporation.
*
* 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE, OR NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT
* SHALL BROADCOM BE LIABLE FOR ANY DAMAGES WHATSOEVER, AND IN
* PARTICULAR, BROADCOM SHALL NOT BE LIABLE FOR DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
* TORT (INCLUDING NEGLIGENCE OR OTHERWISE), EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
********************************************************************* */
#include "lib_types.h"
#include "lib_malloc.h"
#include "lib_printf.h"
#include "cfe_iocb.h"
#include "cfe_device.h"
#include "cfe_ioctl.h"
#include "pcivar.h"
#include "pcireg.h"
/* Probe routine for real UART driver */
extern void ns16550_uart_probe(cfe_driver_t *drv,
unsigned long probe_a, unsigned long probe_b,
void *probe_ptr);
/* Probe routine for this UART driver. */
static void ns16550pci_uart_probe(cfe_driver_t *drv,
unsigned long probe_a, unsigned long probe_b,
void *probe_ptr);
/* We just glom onto the dispatch table in the real driver */
extern const cfe_devdisp_t ns16550_uart_dispatch;
const cfe_driver_t ns16550pci_uart = {
"PCI NS16550 UART",
"uart",
CFE_DEV_SERIAL,
&ns16550_uart_dispatch,
ns16550pci_uart_probe
};
static void ns16550pci_uart_probe(cfe_driver_t *drv,
unsigned long probe_a, unsigned long probe_b,
void *probe_ptr)
{
phys_addr_t pa;
pcitag_t tag;
int index = 0;
/*
* NS16550-compatible UART on the PCI bus
* probe_a, probe_b and probe_ptr are unused.
*/
/*
* This is for a SIIG card. Should probably do a little
* vendor ID table like we did for the IDE driver so
* we can spport other cards.
*/
for (;;) {
if (pci_find_device(0x131f,0x2000,index,&tag) != 0) {
break;
}
pci_map_io(tag, PCI_MAPREG(0), PCI_MATCH_BYTES, &pa);
xprintf("NS16550PCI: I/O mapped registers start at %08X", (uint32_t)pa);
ns16550_uart_probe(drv,pa,0,NULL);
index++;
}
}
|
