/* * viatool - dump all registers on a VIA CPU + chipset based system. * * Copyright (C) 2013 Alexandru Gagniuc * * 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. */ #include "quirks.h" #include <stdio.h> typedef u8 sata_phy_config[64]; static u32 sata_phy_read32(struct pci_dev *dev, u8 index) { /* The SATA PHY control registers are accessed by a funny index/value * scheme. Each byte (0,1,2,3) has its own 4-bit index */ index = (index >> 2) & 0xf; u16 i16 = index | (index << 4) | (index << 8)| (index << 12); /* The index */ pci_write_word(dev, 0x68, i16); /* The value */ return pci_read_long(dev, 0x64); } static void vx900_sata_read_phy_config(struct pci_dev *dev, sata_phy_config cfg) { size_t i; u32* data = (u32*)cfg; for (i = 0; i < ( sizeof(sata_phy_config) ) >> 2; i++) { data[i] = sata_phy_read32(dev, i<<2); } } static int quirk_vx900_sata(struct pci_dev *dev) { sata_phy_config ephy; /* Get all the info in one pass */ vx900_sata_read_phy_config(dev, ephy); /* Put it on the terminal for the user to read and be done with it */ printf("SATA PHY config:\n"); unsigned int i; for (i = 0; i < sizeof(sata_phy_config); i++) { if ((i & 0x0f) == 0) { printf("%.2x :", i); } if( (i & 0x0f) == 0x08 ) printf("| "); printf("%.2x ", ephy[i]); if ((i & 0x0f) == 0x0f) { printf("\n"); } } return 0; } static struct quirk vx900_sb_quirks[] = { {0, 0, 0x0f, 0, PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_VX900_SATA, quirk_vx900_sata }, {0, 0, 0, 0, 0, 0, 0}, }; struct quirk_list vx900_sb_quirk_list = { .pci_vendor_id = PCI_VENDOR_ID_VIA, .pci_device_id = PCI_DEVICE_ID_VIA_VX900_LPC, .dev_quirks = vx900_sb_quirks };