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1/*
2 * This file is part of the flashrom project.
3 *
4 * Copyright (C) 2010 Uwe Hermann <uwe@hermann-uwe.de>
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
19 */
20
21#if defined(__i386__) || defined(__x86_64__)
22
23#include <stdlib.h>
24#include <string.h>
25#include "flash.h"
26#include "programmer.h"
27
28#define BIOS_ROM_ADDR0x90
29#define BIOS_ROM_DATA0x94
30
31#define REG_FLASH_ACCESS0x58
32
33#define PCI_VENDOR_ID_HPT0x1103
34
35const struct pcidev_status ata_hpt[] = {
36{0x1103, 0x0004, NT, "Highpoint", "HPT366/368/370/370A/372/372N"},
37{0x1103, 0x0005, NT, "Highpoint", "HPT372A/372N"},
38{0x1103, 0x0006, NT, "Highpoint", "HPT302/302N"},
39
40{},
41};
42
43static void atahpt_chip_writeb(const struct flashctx *flash, uint8_t val,
44 chipaddr addr);
45static uint8_t atahpt_chip_readb(const struct flashctx *flash,
46 const chipaddr addr);
47static const struct par_programmer par_programmer_atahpt = {
48.chip_readb= atahpt_chip_readb,
49.chip_readw= fallback_chip_readw,
50.chip_readl= fallback_chip_readl,
51.chip_readn= fallback_chip_readn,
52.chip_writeb= atahpt_chip_writeb,
53.chip_writew= fallback_chip_writew,
54.chip_writel= fallback_chip_writel,
55.chip_writen= fallback_chip_writen,
56};
57
58static int atahpt_shutdown(void *data)
59{
60/* Flash access is disabled automatically by PCI restore. */
61pci_cleanup(pacc);
62release_io_perms();
63return 0;
64}
65
66int atahpt_init(void)
67{
68uint32_t reg32;
69
70get_io_perms();
71
72io_base_addr = pcidev_init(PCI_BASE_ADDRESS_4, ata_hpt);
73
74/* Enable flash access. */
75reg32 = pci_read_long(pcidev_dev, REG_FLASH_ACCESS);
76reg32 |= (1 << 24);
77rpci_write_long(pcidev_dev, REG_FLASH_ACCESS, reg32);
78
79if (register_shutdown(atahpt_shutdown, NULL))
80return 1;
81
82register_par_programmer(&par_programmer_atahpt, BUS_PARALLEL);
83
84return 0;
85}
86
87static void atahpt_chip_writeb(const struct flashctx *flash, uint8_t val,
88 chipaddr addr)
89{
90OUTL((uint32_t)addr, io_base_addr + BIOS_ROM_ADDR);
91OUTB(val, io_base_addr + BIOS_ROM_DATA);
92}
93
94static uint8_t atahpt_chip_readb(const struct flashctx *flash,
95 const chipaddr addr)
96{
97OUTL((uint32_t)addr, io_base_addr + BIOS_ROM_ADDR);
98return INB(io_base_addr + BIOS_ROM_DATA);
99}
100
101#else
102#error PCI port I/O access is not supported on this architecture yet.
103#endif
104

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