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829c0e4e6a
Change-Id: Iaa222f9f265e019798aada4d556c484cb3b46b5d Signed-off-by: Anastasia Klimchuk <aklm@flashrom.org> Reviewed-on: https://review.coreboot.org/c/flashrom/+/89522 Reviewed-by: Peter Marheine <pmarheine@chromium.org> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Jean THOMAS <virgule@jeanthomas.me> Reviewed-by: Miklós Márton <martonmiklosqdev@gmail.com> Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org> Reviewed-by: Antonio Vázquez Blanco <antoniovazquezblanco@gmail.com>
142 lines
3.6 KiB
C
142 lines
3.6 KiB
C
/*
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* This file is part of the flashrom project.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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* SPDX-FileCopyrightText: 2009 Rudolf Marek <r.marek@assembler.cz>
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*/
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/* Datasheets can be found on http://www.siliconimage.com. Great thanks! */
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#include <stdlib.h>
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#include "programmer.h"
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#include "hwaccess_physmap.h"
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#include "pcidev.h"
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#define PCI_VENDOR_ID_SII 0x1095
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#define SATASII_MEMMAP_SIZE 0x100
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struct satasii_data {
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uint8_t *bar;
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};
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static const struct dev_entry satas_sii[] = {
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{0x1095, 0x0680, OK, "Silicon Image", "PCI0680 Ultra ATA-133 Host Ctrl"},
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{0x1095, 0x3112, OK, "Silicon Image", "SiI 3112 [SATALink/SATARaid] SATA Ctrl"},
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{0x1095, 0x3114, OK, "Silicon Image", "SiI 3114 [SATALink/SATARaid] SATA Ctrl"},
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{0x1095, 0x3124, OK, "Silicon Image", "SiI 3124 PCI-X SATA Ctrl"},
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{0x1095, 0x3132, OK, "Silicon Image", "SiI 3132 SATA Raid II Ctrl"},
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{0x1095, 0x3512, OK, "Silicon Image", "SiI 3512 [SATALink/SATARaid] SATA Ctrl"},
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{0},
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};
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static uint32_t satasii_wait_done(const uint8_t *bar)
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{
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uint32_t ctrl_reg;
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int i = 0;
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while ((ctrl_reg = pci_mmio_readl(bar)) & (1 << 25)) {
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if (++i > 10000) {
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msg_perr("%s: control register stuck at %08"PRIx32", ignoring.\n",
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__func__, pci_mmio_readl(bar));
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break;
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}
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}
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return ctrl_reg;
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}
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static void satasii_chip_writeb(const struct flashctx *flash, uint8_t val, chipaddr addr)
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{
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const struct satasii_data *data = flash->mst->par.data;
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uint32_t data_reg;
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uint32_t ctrl_reg = satasii_wait_done(data->bar);
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/* Mask out unused/reserved bits, set writes and start transaction. */
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ctrl_reg &= 0xfcf80000;
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ctrl_reg |= (1 << 25) | (0 << 24) | ((uint32_t) addr & 0x7ffff);
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data_reg = (pci_mmio_readl((data->bar + 4)) & ~0xff) | val;
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pci_mmio_writel(data_reg, (data->bar + 4));
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pci_mmio_writel(ctrl_reg, data->bar);
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satasii_wait_done(data->bar);
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}
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static uint8_t satasii_chip_readb(const struct flashctx *flash, const chipaddr addr)
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{
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const struct satasii_data *data = flash->mst->par.data;
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uint32_t ctrl_reg = satasii_wait_done(data->bar);
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/* Mask out unused/reserved bits, set reads and start transaction. */
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ctrl_reg &= 0xfcf80000;
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ctrl_reg |= (1 << 25) | (1 << 24) | ((uint32_t) addr & 0x7ffff);
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pci_mmio_writel(ctrl_reg, data->bar);
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satasii_wait_done(data->bar);
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return (pci_mmio_readl(data->bar + 4)) & 0xff;
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}
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static int satasii_shutdown(void *par_data)
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{
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free(par_data);
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return 0;
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}
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static const struct par_master par_master_satasii = {
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.chip_readb = satasii_chip_readb,
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.chip_writeb = satasii_chip_writeb,
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.shutdown = satasii_shutdown,
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};
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static int satasii_init(const struct programmer_cfg *cfg)
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{
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struct pci_dev *dev = NULL;
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uint32_t addr;
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uint16_t reg_offset, id;
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uint8_t *bar;
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dev = pcidev_init(cfg, satas_sii, PCI_BASE_ADDRESS_0);
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if (!dev)
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return 1;
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id = dev->device_id;
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if ((id == 0x3132) || (id == 0x3124)) {
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addr = pcidev_readbar(dev, PCI_BASE_ADDRESS_0);
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if (!addr)
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return 1;
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reg_offset = 0x70;
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} else {
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addr = pcidev_readbar(dev, PCI_BASE_ADDRESS_5);
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if (!addr)
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return 1;
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reg_offset = 0x50;
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}
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bar = rphysmap("SATA SiI registers", addr, SATASII_MEMMAP_SIZE);
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if (bar == ERROR_PTR)
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return 1;
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bar += reg_offset;
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/* Check if ROM cycle are OK. */
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if ((id != 0x0680) && (!(pci_mmio_readl(bar) & (1 << 26))))
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msg_pwarn("Warning: Flash seems unconnected.\n");
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struct satasii_data *data = calloc(1, sizeof(*data));
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if (!data) {
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msg_perr("Unable to allocate space for PAR master data\n");
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return 1;
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}
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data->bar = bar;
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return register_par_master(&par_master_satasii, BUS_PARALLEL, data);
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}
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const struct programmer_entry programmer_satasii = {
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.name = "satasii",
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.type = PCI,
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.devs.dev = satas_sii,
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.init = satasii_init,
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};
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