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
|
// license: BSD-3-Clause
// copyright-holders: Angelo Salese
/**************************************************************************************************
PIIX4E ISA interface
TODO:
- i82371ab PIIX4 / i82371mb PIIX4M dispatches
- pinpoint actual differences wrt i82371sb (definitely EISA, then ...?)
**************************************************************************************************/
#include "emu.h"
#include "i82371eb_isa.h"
#define LOG_IO (1U << 1) // log PCI register accesses
#define LOG_TODO (1U << 2) // log unimplemented registers
#define LOG_MAP (1U << 3) // log full remaps
#define VERBOSE (LOG_GENERAL | LOG_IO | LOG_TODO | LOG_MAP)
//#define LOG_OUTPUT_FUNC osd_printf_warning
#include "logmacro.h"
#define LOGIO(...) LOGMASKED(LOG_IO, __VA_ARGS__)
#define LOGMAP(...) LOGMASKED(LOG_MAP, __VA_ARGS__)
#define LOGTODO(...) LOGMASKED(LOG_TODO, __VA_ARGS__)
DEFINE_DEVICE_TYPE(I82371EB_ISA, i82371eb_isa_device, "i82371eb_isa", "Intel 82371EB PIIX4E PCI to ISA/EIO southbridge")
i82371eb_isa_device::i82371eb_isa_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock)
: i82371sb_isa_device(mconfig, I82371EB_ISA, tag, owner, clock)
{
// 0x060100 - Bridge device, PCI-to-ISA bridge
// TODO: above can change to 0x068000 if positive decode is used.
// rev 0x00 PIIX4 A-0 / A-1
// rev 0x01 PIIX4 B-0
// rev 0x02 for PIIX4E A-0 / PIIX4M A-0
set_ids(0x80867110, 0x02, 0x060100, 0x00);
}
void i82371eb_isa_device::config_map(address_map &map)
{
i82371sb_isa_device::config_map(map);
// map(0x90, 0x91) PDMACFG
// map(0xb0, 0xb0) GENCFG
}
|