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/*
* This file is part of the flashrom project.
*
* Copyright (C) 2009 Rudolf Marek <r.marek@assembler.cz>
*
* 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
*/
/* Datasheets can be found on http://www.siliconimage.com. Great thanks! */
#include <stdlib.h>
#include "flash.h"
#include "programmer.h"
#define PCI_VENDOR_ID_SII 0x1095
#define SATASII_MEMMAP_SIZE 0x100
uint8_t *sii_bar;
static uint16_t id;
const struct pcidev_status satas_sii[] = {
{0x1095, 0x0680, OK, "Silicon Image", "PCI0680 Ultra ATA-133 Host Ctrl"},
{0x1095, 0x3112, OK, "Silicon Image", "SiI 3112 [SATALink/SATARaid] SATA Ctrl"},
{0x1095, 0x3114, OK, "Silicon Image", "SiI 3114 [SATALink/SATARaid] SATA Ctrl"},
{0x1095, 0x3124, OK, "Silicon Image", "SiI 3124 PCI-X SATA Ctrl"},
{0x1095, 0x3132, OK, "Silicon Image", "SiI 3132 SATA Raid II Ctrl"},
{0x1095, 0x3512, OK, "Silicon Image", "SiI 3512 [SATALink/SATARaid] SATA Ctrl"},
{},
};
static int satasii_shutdown(void *data)
{
physunmap(sii_bar, SATASII_MEMMAP_SIZE);
pci_cleanup(pacc);
release_io_perms();
return 0;
}
int satasii_init(void)
{
uint32_t addr;
uint16_t reg_offset;
get_io_perms();
pcidev_init(PCI_BASE_ADDRESS_0, satas_sii);
id = pcidev_dev->device_id;
if ((id == 0x3132) || (id == 0x3124)) {
addr = pci_read_long(pcidev_dev, PCI_BASE_ADDRESS_0) & ~0x07;
reg_offset = 0x70;
} else {
addr = pci_read_long(pcidev_dev, PCI_BASE_ADDRESS_5) & ~0x07;
reg_offset = 0x50;
}
sii_bar = physmap("SATA SIL registers", addr, SATASII_MEMMAP_SIZE) +
reg_offset;
/* Check if ROM cycle are OK. */
if ((id != 0x0680) && (!(pci_mmio_readl(sii_bar) & (1 << 26))))
msg_pinfo("Warning: Flash seems unconnected.\n");
buses_supported = BUS_PARALLEL;
if (register_shutdown(satasii_shutdown, NULL))
return 1;
return 0;
}
void satasii_chip_writeb(uint8_t val, chipaddr addr)
{
uint32_t ctrl_reg, data_reg;
while ((ctrl_reg = pci_mmio_readl(sii_bar)) & (1 << 25)) ;
/* Mask out unused/reserved bits, set writes and start transaction. */
ctrl_reg &= 0xfcf80000;
ctrl_reg |= (1 << 25) | (0 << 24) | ((uint32_t) addr & 0x7ffff);
data_reg = (pci_mmio_readl((sii_bar + 4)) & ~0xff) | val;
pci_mmio_writel(data_reg, (sii_bar + 4));
pci_mmio_writel(ctrl_reg, sii_bar);
while (pci_mmio_readl(sii_bar) & (1 << 25)) ;
}
uint8_t satasii_chip_readb(const chipaddr addr)
{
uint32_t ctrl_reg;
while ((ctrl_reg = pci_mmio_readl(sii_bar)) & (1 << 25)) ;
/* Mask out unused/reserved bits, set reads and start transaction. */
ctrl_reg &= 0xfcf80000;
ctrl_reg |= (1 << 25) | (1 << 24) | ((uint32_t) addr & 0x7ffff);
pci_mmio_writel(ctrl_reg, sii_bar);
while (pci_mmio_readl(sii_bar) & (1 << 25)) ;
return (pci_mmio_readl(sii_bar + 4)) & 0xff;
}
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