| /* SPDX-License-Identifier: GPL-2.0-only */ |
| |
| #include <spd.h> |
| #include <device/pci_ops.h> |
| #include <device/pci_def.h> |
| #include <device/smbus_host.h> |
| #include <console/console.h> |
| #include "i945.h" |
| |
| void print_pci_devices(void) |
| { |
| pci_devfn_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; |
| } |
| printk(BIOS_DEBUG, "PCI: %02x:%02x.%02x", (dev >> 20) & 0xff, |
| (dev >> 15) & 0x1f, (dev >> 12) & 7); |
| printk(BIOS_DEBUG, " [%04x:%04x]\n", id & 0xffff, id >> 16); |
| } |
| } |
| |
| void dump_pci_device(unsigned int dev) |
| { |
| int i; |
| |
| printk(BIOS_DEBUG, "PCI: %02x:%02x.%02x\n", (dev >> 20) & 0xff, (dev >> 15) & 0x1f, |
| (dev >> 12) & 7); |
| |
| for (i = 0; i <= 255; i++) { |
| unsigned char val; |
| if ((i & 0x0f) == 0) |
| printk(BIOS_DEBUG, "%02x:", i); |
| val = pci_read_config8(dev, i); |
| printk(BIOS_DEBUG, " %02x", val); |
| if ((i & 0x0f) == 0x0f) |
| printk(BIOS_DEBUG, "\n"); |
| } |
| } |
| |
| void dump_pci_devices(void) |
| { |
| pci_devfn_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); |
| } |
| } |
| |
| void dump_spd_registers(u8 spd_map[4]) |
| { |
| for (unsigned int d = 0; d < 4; d++) { |
| const unsigned int device = spd_map[d]; |
| if (device == 0) |
| continue; |
| |
| int status = 0; |
| int i; |
| printk(BIOS_DEBUG, "\ndimm %02x", device); |
| |
| for (i = 0; (i < 256); i++) { |
| if ((i % 16) == 0) |
| printk(BIOS_DEBUG, "\n%02x: ", i); |
| status = smbus_read_byte(device, i); |
| if (status < 0) { |
| printk(BIOS_DEBUG, "bad device: %02x\n", -status); |
| break; |
| } |
| printk(BIOS_DEBUG, "%02x ", status); |
| } |
| printk(BIOS_DEBUG, "\n"); |
| } |
| } |