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/*
* This file is part of the flashrom project.
*
* Copyright (C) 2009 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
*/
#include <stdlib.h>
#include <string.h>
#include "flash.h"
#include "programmer.h"
#include "hwaccess.h"
#define PCI_VENDOR_ID_NVIDIA 0x10de
/* Mask to restrict flash accesses to a 128kB memory window.
* FIXME: Is this size a one-fits-all or card dependent?
*/
#define GFXNVIDIA_MEMMAP_MASK ((1 << 17) - 1)
#define GFXNVIDIA_MEMMAP_SIZE (16 * 1024 * 1024)
uint8_t *nvidia_bar;
const struct dev_entry gfx_nvidia[] = {
{0x10de, 0x0010, NT, "NVIDIA", "Mutara V08 [NV2]" },
{0x10de, 0x0018, NT, "NVIDIA", "RIVA 128" },
{0x10de, 0x0020, NT, "NVIDIA", "RIVA TNT" },
{0x10de, 0x0028, NT, "NVIDIA", "RIVA TNT2/TNT2 Pro" },
{0x10de, 0x0029, NT, "NVIDIA", "RIVA TNT2 Ultra" },
{0x10de, 0x002c, NT, "NVIDIA", "Vanta/Vanta LT" },
{0x10de, 0x002d, OK, "NVIDIA", "RIVA TNT2 Model 64/Model 64 Pro" },
{0x10de, 0x00a0, NT, "NVIDIA", "Aladdin TNT2" },
{0x10de, 0x0100, NT, "NVIDIA", "GeForce 256" },
{0x10de, 0x0101, NT, "NVIDIA", "GeForce DDR" },
{0x10de, 0x0103, NT, "NVIDIA", "Quadro" },
{0x10de, 0x0110, NT, "NVIDIA", "GeForce2 MX" },
{0x10de, 0x0111, NT, "NVIDIA", "GeForce2 MX" },
{0x10de, 0x0112, NT, "NVIDIA", "GeForce2 GO" },
{0x10de, 0x0113, NT, "NVIDIA", "Quadro2 MXR" },
{0x10de, 0x0150, NT, "NVIDIA", "GeForce2 GTS/Pro" },
{0x10de, 0x0151, NT, "NVIDIA", "GeForce2 GTS" },
{0x10de, 0x0152, NT, "NVIDIA", "GeForce2 Ultra" },
{0x10de, 0x0153, NT, "NVIDIA", "Quadro2 Pro" },
{0x10de, 0x0200, NT, "NVIDIA", "GeForce 3 nFX" },
{0x10de, 0x0201, NT, "NVIDIA", "GeForce 3 nFX" },
{0x10de, 0x0202, NT, "NVIDIA", "GeForce 3 nFX Ultra" },
{0x10de, 0x0203, NT, "NVIDIA", "Quadro 3 DDC" },
{0},
};
static void gfxnvidia_chip_writeb(const struct flashctx *flash, uint8_t val,
chipaddr addr);
static uint8_t gfxnvidia_chip_readb(const struct flashctx *flash,
const chipaddr addr);
static const struct par_master par_master_gfxnvidia = {
.chip_readb = gfxnvidia_chip_readb,
.chip_readw = fallback_chip_readw,
.chip_readl = fallback_chip_readl,
.chip_readn = fallback_chip_readn,
.chip_writeb = gfxnvidia_chip_writeb,
.chip_writew = fallback_chip_writew,
.chip_writel = fallback_chip_writel,
.chip_writen = fallback_chip_writen,
};
int gfxnvidia_init(void)
{
struct pci_dev *dev = NULL;
uint32_t reg32;
if (rget_io_perms())
return 1;
dev = pcidev_init(gfx_nvidia, PCI_BASE_ADDRESS_0);
if (!dev)
return 1;
uint32_t io_base_addr = pcidev_readbar(dev, PCI_BASE_ADDRESS_0);
if (!io_base_addr)
return 1;
io_base_addr += 0x300000;
msg_pinfo("Detected NVIDIA I/O base address: 0x%x.\n", io_base_addr);
nvidia_bar = rphysmap("NVIDIA", io_base_addr, GFXNVIDIA_MEMMAP_SIZE);
if (nvidia_bar == ERROR_PTR)
return 1;
/* Allow access to flash interface (will disable screen). */
reg32 = pci_read_long(dev, 0x50);
reg32 &= ~(1 << 0);
rpci_write_long(dev, 0x50, reg32);
/* Write/erase doesn't work. */
programmer_may_write = 0;
register_par_master(&par_master_gfxnvidia, BUS_PARALLEL);
return 0;
}
static void gfxnvidia_chip_writeb(const struct flashctx *flash, uint8_t val,
chipaddr addr)
{
pci_mmio_writeb(val, nvidia_bar + (addr & GFXNVIDIA_MEMMAP_MASK));
}
static uint8_t gfxnvidia_chip_readb(const struct flashctx *flash,
const chipaddr addr)
{
return pci_mmio_readb(nvidia_bar + (addr & GFXNVIDIA_MEMMAP_MASK));
}
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