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Diffstat (limited to 'util/k8resdump/k8resdump.c')
| -rw-r--r-- | util/k8resdump/k8resdump.c | 118 |
1 files changed, 118 insertions, 0 deletions
diff --git a/util/k8resdump/k8resdump.c b/util/k8resdump/k8resdump.c new file mode 100644 index 0000000000..1cf5f59960 --- /dev/null +++ b/util/k8resdump/k8resdump.c @@ -0,0 +1,118 @@ +/* + * This file is part of the LinuxBIOS project. + * + * Copyright (C) 2007 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 v2 as published by + * the Free Software Foundation. + * + * 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 + */ + +/* This program will dump the IO/memory/PCI resources from the K8 + * memory controller + */ + +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <unistd.h> +#include <sys/types.h> +#include <pci/pci.h> + +#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0])) + +static uint8_t dram_bases[] = + { 0x40, 0x48, 0x50, 0x58, 0x60, 0x68, 0x70, 0x78 }; +static uint8_t dram_limits[] = + { 0x44, 0x4C, 0x54, 0x5C, 0x64, 0x6C, 0x74, 0x7C }; +static uint8_t iomem_bases[] = + { 0x80, 0x88, 0x90, 0x98, 0xA0, 0xA8, 0xB0, 0xB8 }; +static uint8_t iomem_limits[] = + { 0x84, 0x8C, 0x94, 0x9C, 0xA4, 0xAC, 0xB4, 0xBC }; + +static uint8_t pciio_bases[] = { 0xC0, 0xC8, 0xD0, 0xD8 }; +static uint8_t pciio_limits[] = { 0xC4, 0xCC, 0xD4, 0xDC }; + +void print_info(struct pci_dev *dev) +{ + int i; + uint32_t regb, regl; + + for (i = 0; i < ARRAY_SIZE(dram_bases); i++) { + regb = pci_read_long(dev, dram_bases[i]); + regl = pci_read_long(dev, dram_limits[i]); + + printf + ("DRAM map: #%d 0x%04x000000 - 0x%04xffffff Access: %s/%s" + " IntlvEN:0x%x IntlvSEL:0x%x Dstnode:%d\n", + i, regb >> 16, regl >> 16, regb & 1 ? "R" : "", + regb & 2 ? "W" : "", (regb & 0x700) >> 8, + (regl & 0x700) >> 8, (regl & 0x7)); + } + + + for (i = 0; i < ARRAY_SIZE(iomem_bases); i++) { + regb = pci_read_long(dev, iomem_bases[i]); + regl = pci_read_long(dev, iomem_limits[i]); + + printf + ("MMIO map: #%d 0x%06x0000 - 0x%06xffff Access: %s/%s %s %s" + " %s Dstnode:%d DstLink %d\n", + i, regb >> 8, regl >> 8, regb & 1 ? "R" : "", + regb & 2 ? "W" : "", regb & 4 ? "CPU Dis" : "", + regb & 8 ? "Locked" : "", + regl & 0x80 ? "NonPosted" : "", regl & 0x7, + (regl & 0x30) >> 4); + } + + for (i = 0; i < ARRAY_SIZE(pciio_bases); i++) { + regb = pci_read_long(dev, pciio_bases[i]); + regl = pci_read_long(dev, pciio_limits[i]); + + printf + (" IO map: #%d 0x%03x000 - 0x%03xfff Access: %s/%s %s %s" + " Dstnode:%d DstLink %d\n", + i, (regb & ~0xff000000) >> 12, + (regl & ~0xff000000) >> 12, regb & 1 ? "R" : "", + regb & 2 ? "W" : "", regb & 0x20 ? "ISA" : "", + regb & 0x10 ? "VGA" : "", regl & 0x7, + (regl & 0x30) >> 4); + } + + +} + +int main(void) +{ + struct pci_access *pacc; + struct pci_dev *dev; + + if (getuid()) { + fprintf(stderr, "Please run me root, need access to all" + " PCI regs!\n"); + exit(1); + } + + pacc = pci_alloc(); + pci_init(pacc); + pci_scan_bus(pacc); + for (dev = pacc->devices; dev; dev = dev->next) { + pci_fill_info(dev, PCI_FILL_IDENT | PCI_FILL_BASES | + PCI_FILL_CLASS); + if ((dev->vendor_id == 0x1022) /* AMD */ + && (dev->device_id == 0x1101)) { /* Address MAP */ + print_info(dev); + } + } + pci_cleanup(pacc); + return 0; +} |