| /* |
| * This file is part of the coreboot project. |
| * |
| * 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; version 2 of the License. |
| * |
| * 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 <device/pci_def.h> |
| #include <console/console.h> |
| #include <stdlib.h> |
| #include <arch/io.h> |
| #include <spd.h> |
| |
| #include "raminit.h" |
| #include "debug.h" |
| |
| /* |
| * generic debug code, used by mainboard specific romstage.c |
| * |
| */ |
| |
| void print_debug_pci_dev(unsigned dev) |
| { |
| printk(BIOS_DEBUG, "PCI: %02x:%02x.%x", |
| (dev >> 16) & 0xff, (dev >> 11) & 0x1f, (dev >> 8) & 7); |
| } |
| |
| void print_pci_devices(void) |
| { |
| pci_devfn_t dev; |
| for (dev = PCI_DEV(0, 0, 0); |
| dev <= PCI_DEV(0xff, 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); |
| printk(BIOS_DEBUG, "\n"); |
| } |
| } |
| |
| void dump_pci_device(unsigned dev) |
| { |
| int i; |
| print_debug_pci_dev(dev); |
| |
| for (i = 0; i < 256; i++) { |
| unsigned char val; |
| if ((i & 0x0f) == 0) |
| printk(BIOS_DEBUG, "\n%02x:",i); |
| val = pci_read_config8(dev, i); |
| printk(BIOS_DEBUG, " %02x", val); |
| } |
| printk(BIOS_DEBUG, "\n"); |
| } |
| |
| void dump_pci_devices(void) |
| { |
| pci_devfn_t dev; |
| for (dev = PCI_DEV(0, 0, 0); |
| dev <= PCI_DEV(0xff, 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); |
| } |
| } |
| |
| void dump_pci_devices_on_bus(unsigned busn) |
| { |
| pci_devfn_t dev; |
| for (dev = PCI_DEV(busn, 0, 0); |
| dev <= PCI_DEV(busn, 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); |
| } |
| } |
| |
| void dump_spd_registers(const struct mem_controller *ctrl) |
| { |
| int i; |
| printk(BIOS_DEBUG, "\n"); |
| for (i = 0; i < 4; i++) { |
| unsigned device; |
| device = ctrl->channel0[i]; |
| if (device) { |
| int j; |
| printk(BIOS_DEBUG, "dimm: %02x.0: %02x", i, device); |
| for (j = 0; j < 128; j++) { |
| int status; |
| unsigned char byte; |
| if ((j & 0xf) == 0) |
| printk(BIOS_DEBUG, "\n%02x: ", j); |
| status = spd_read_byte(device, j); |
| if (status < 0) { |
| break; |
| } |
| byte = status & 0xff; |
| printk(BIOS_DEBUG, "%02x ", byte); |
| } |
| printk(BIOS_DEBUG, "\n"); |
| } |
| device = ctrl->channel1[i]; |
| if (device) { |
| int j; |
| printk(BIOS_DEBUG, "dimm: %02x.1: %02x", i, device); |
| for (j = 0; j < 128; j++) { |
| int status; |
| unsigned char byte; |
| if ((j & 0xf) == 0) |
| printk(BIOS_DEBUG, "\n%02x: ", j); |
| status = spd_read_byte(device, j); |
| if (status < 0) { |
| break; |
| } |
| byte = status & 0xff; |
| printk(BIOS_DEBUG, "%02x ", byte); |
| } |
| printk(BIOS_DEBUG, "\n"); |
| } |
| } |
| } |
| void dump_smbus_registers(void) |
| { |
| unsigned device; |
| printk(BIOS_DEBUG, "\n"); |
| for (device = 1; device < 0x80; device++) { |
| int j; |
| if (spd_read_byte(device, 0) < 0) |
| continue; |
| printk(BIOS_DEBUG, "smbus: %02x", device); |
| for (j = 0; j < 256; j++) { |
| int status; |
| unsigned char byte; |
| status = spd_read_byte(device, j); |
| if (status < 0) { |
| break; |
| } |
| if ((j & 0xf) == 0) |
| printk(BIOS_DEBUG, "\n%02x: ",j); |
| byte = status & 0xff; |
| printk(BIOS_DEBUG, "%02x ", byte); |
| } |
| printk(BIOS_DEBUG, "\n"); |
| } |
| } |
| |
| void dump_io_resources(unsigned port) |
| { |
| int i; |
| printk(BIOS_DEBUG, "%04x:\n", port); |
| for (i = 0; i < 256; i++) { |
| uint8_t val; |
| if ((i & 0x0f) == 0) |
| printk(BIOS_DEBUG, "%02x:", i); |
| val = inb(port); |
| printk(BIOS_DEBUG, " %02x",val); |
| if ((i & 0x0f) == 0x0f) { |
| printk(BIOS_DEBUG, "\n"); |
| } |
| port++; |
| } |
| } |