diff options
Diffstat (limited to 'src/northbridge/intel/i855gme/debug.c')
| -rw-r--r-- | src/northbridge/intel/i855gme/debug.c | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/src/northbridge/intel/i855gme/debug.c b/src/northbridge/intel/i855gme/debug.c new file mode 100644 index 0000000000..46d629b01e --- /dev/null +++ b/src/northbridge/intel/i855gme/debug.c @@ -0,0 +1,197 @@ +/* + * This file is part of the coreboot project. + * + * Copyright (C) 2003 Ronald G. Minnich + * + * 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 + */ + +/* + * generic K8 debug code, used by mainboard specific auto.c + * + */ +#if 1 +/* +static void print_debug_pci_dev(unsigned dev) +{ + print_debug("PCI: "); + print_debug_hex8((dev >> 16) & 0xff); + print_debug_char(':'); + print_debug_hex8((dev >> 11) & 0x1f); + print_debug_char('.'); + print_debug_hex8((dev >> 8) & 7); +} +*/ + + +static void print_debug_pci_dev(unsigned dev) +{ + print_debug("PCI: "); + print_debug_hex8((dev >> 20) & 0xff); + print_debug_char(':'); + print_debug_hex8((dev >> 15) & 0x1f); + print_debug_char('.'); + print_debug_hex8((dev >> 12) & 0x07); +} + +static void print_pci_devices(void) +{ + device_t dev; + for(dev = PCI_DEV(0, 0, 0); + dev <= PCI_DEV(0, 0x1f, 0x7); + dev += PCI_DEV(0,0,1)) { + uint32_t id; + id = pci_read_config32(dev, PCI_VENDOR_ID); + if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) || + (((id >> 16) & 0xffff) == 0xffff) || + (((id >> 16) & 0xffff) == 0x0000)) { + continue; + } + print_debug_pci_dev(dev); + print_debug("\r\n"); + } +} + +static void dump_pci_device(unsigned dev) +{ + int i; + print_debug_pci_dev(dev); + print_debug("\r\n"); + + for(i = 0; i <= 255; i++) { + unsigned char val; + if ((i & 0x0f) == 0) { + print_debug_hex8(i); + print_debug_char(':'); + } + val = pci_read_config8(dev, i); + print_debug_char(' '); + print_debug_hex8(val); + if ((i & 0x0f) == 0x0f) { + print_debug("\r\n"); + } + } +} + +static void dump_pci_devices(void) +{ + device_t dev; + for(dev = PCI_DEV(0, 0, 0); + dev <= PCI_DEV(0, 0x1f, 0x7); + dev += PCI_DEV(0,0,1)) { + uint32_t id; + id = pci_read_config32(dev, PCI_VENDOR_ID); + if (((id & 0xffff) == 0x0000) || ((id & 0xffff) == 0xffff) || + (((id >> 16) & 0xffff) == 0xffff) || + (((id >> 16) & 0xffff) == 0x0000)) { + continue; + } + dump_pci_device(dev); + } +} + +static void dump_spd_registers(const struct mem_controller *ctrl) +{ + int i; + print_debug("\r\n"); + for(i = 0; i < 2; i++) { + unsigned device; + device = ctrl->channel0[i]; + if (device) { + int j; + print_debug("dimm: "); + print_debug_hex8(i); + print_debug(".0: "); + print_debug_hex8(device); + for(j = 0; j < 256; j++) { + int status; + unsigned char byte; + if ((j & 0xf) == 0) { + print_debug("\r\n"); + print_debug_hex8(j); + print_debug(": "); + } + status = smbus_read_byte(device, j); + if (status < 0) { + print_debug("bad device\r\n"); + break; + } + byte = status & 0xff; + print_debug_hex8(byte); + print_debug_char(' '); + } + print_debug("\r\n"); + } +#if 0 + device = ctrl->channel1[i]; + if (device) { + int j; + print_debug("dimm: "); + print_debug_hex8(i); + print_debug(".1: "); + print_debug_hex8(device); + for(j = 0; j < 256; j++) { + int status; + unsigned char byte; + if ((j & 0xf) == 0) { + print_debug("\r\n"); + print_debug_hex8(j); + print_debug(": "); + } + status = smbus_read_byte(device, j); + if (status < 0) { + print_debug("bad device\r\n"); + break; + } + byte = status & 0xff; + print_debug_hex8(byte); + print_debug_char(' '); + } + print_debug("\r\n"); + } +#endif + } +} +static void dump_smbus_registers(void) +{ + int i; + print_debug("\r\n"); + for(i = 1; i < 0x80; i++) { + unsigned device; + device = i; + int j; + print_debug("smbus: "); + print_debug_hex8(device); + for(j = 0; j < 256; j++) { + int status; + unsigned char byte; + if ((j & 0xf) == 0) { + print_debug("\r\n"); + print_debug_hex8(j); + print_debug(": "); + } + status = smbus_read_byte(device, j); + if (status < 0) { + print_debug("bad device\r\n"); + break; + } + byte = status & 0xff; + print_debug_hex8(byte); + print_debug_char(' '); + } + print_debug("\r\n"); + } +} +#endif |