summaryrefslogtreecommitdiffstats
path: root/atahpt.c
blob: 3451342eda6e1e86b27de6fd561424e10c77d702 (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
/*
 * This file is part of the flashrom project.
 *
 * Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de>
 *
 * 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., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301 USA
 */

#if defined(__i386__) || defined(__x86_64__)

#include <stdlib.h>
#include <string.h>
#include "flash.h"
#include "programmer.h"

#define BIOS_ROM_ADDR		0x90
#define BIOS_ROM_DATA		0x94

#define REG_FLASH_ACCESS	0x58

#define PCI_VENDOR_ID_HPT	0x1103

const struct pcidev_status ata_hpt[] = {
	{0x1103, 0x0004, NT, "Highpoint", "HPT366/368/370/370A/372/372N"},
	{0x1103, 0x0005, NT, "Highpoint", "HPT372A/372N"},
	{0x1103, 0x0006, NT, "Highpoint", "HPT302/302N"},

	{},
};

static int atahpt_shutdown(void *data)
{
	/* Flash access is disabled automatically by PCI restore. */
	pci_cleanup(pacc);
	release_io_perms();
	return 0;
}

int atahpt_init(void)
{
	uint32_t reg32;

	get_io_perms();

	io_base_addr = pcidev_init(PCI_BASE_ADDRESS_4, ata_hpt);

	/* Enable flash access. */
	reg32 = pci_read_long(pcidev_dev, REG_FLASH_ACCESS);
	reg32 |= (1 << 24);
	rpci_write_long(pcidev_dev, REG_FLASH_ACCESS, reg32);

	buses_supported = BUS_PARALLEL;

	if (register_shutdown(atahpt_shutdown, NULL))
		return 1;
	return 0;
}

void atahpt_chip_writeb(uint8_t val, chipaddr addr)
{
	OUTL((uint32_t)addr, io_base_addr + BIOS_ROM_ADDR);
	OUTB(val, io_base_addr + BIOS_ROM_DATA);
}

uint8_t atahpt_chip_readb(const chipaddr addr)
{
	OUTL((uint32_t)addr, io_base_addr + BIOS_ROM_ADDR);
	return INB(io_base_addr + BIOS_ROM_DATA);
}

#else
#error PCI port I/O access is not supported on this architecture yet.
#endif