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review.coreboot.org / coreboot / 4b42983c7a072011499e6a610cfccf3d30689b05 / . / src / northbridge / intel / i440bx / debug.c
blob: 57df23fe44b4cb1b39178aa8f7f7cf4b92d14759 [file] [log] [blame]
Angel Pons4b429832020-04-02 23:48:50 +0200[diff] [blame^]1/* SPDX-License-Identifier: GPL-2.0-only */
2/* This file is part of the coreboot project. */
Martin Roth5474eb12018-05-26 19:22:33 -0600[diff] [blame]3
Stefan Reinauer3c0bfaf2010-12-27 11:34:57 +0000[diff] [blame]4#include <console/console.h>
Kyösti Mälkkif1b58b72019-03-01 13:43:02 +0200[diff] [blame]5#include <device/pci_ops.h>
Stefan Reinauer3c0bfaf2010-12-27 11:34:57 +0000[diff] [blame]6#include <spd.h>
Keith Hui4444ea542020-01-12 19:09:24 -0500[diff] [blame]7#include <southbridge/intel/i82371eb/i82371eb.h>
Uwe Hermann115c5b92010-10-09 17:00:18 +0000[diff] [blame]8#include "raminit.h"
9
10void dump_spd_registers(void)
Richard Smith924f92f2006-07-29 17:40:36 +0000[diff] [blame]11{
12 int i;
Keith Hui09f5a742010-12-23 17:12:03 +0000[diff] [blame]13 printk(BIOS_DEBUG, "\n");
Elyes HAOUAS12df9502016-08-23 21:29:48 +0200[diff] [blame]14 for (i = 0; i < DIMM_SOCKETS; i++) {
Martin Roth468d02c2019-10-23 21:44:42 -0600[diff] [blame]15 unsigned int device;
Uwe Hermannd773fd32010-11-20 20:23:08 +0000[diff] [blame]16 device = DIMM0 + i;
Richard Smith924f92f2006-07-29 17:40:36 +0000[diff] [blame]17 if (device) {
18 int j;
Keith Hui09f5a742010-12-23 17:12:03 +0000[diff] [blame]19 printk(BIOS_DEBUG, "DIMM %d: %02x", i, device);
Elyes HAOUAS12df9502016-08-23 21:29:48 +0200[diff] [blame]20 for (j = 0; j < 256; j++) {
Richard Smith924f92f2006-07-29 17:40:36 +0000[diff] [blame]21 int status;
22 unsigned char byte;
23 if ((j & 0xf) == 0) {
Keith Hui09f5a742010-12-23 17:12:03 +0000[diff] [blame]24 printk(BIOS_DEBUG, "\n%02x: ", j);
Richard Smith924f92f2006-07-29 17:40:36 +0000[diff] [blame]25 }
Keith Hui4444ea542020-01-12 19:09:24 -0500[diff] [blame]26 status = smbus_read_byte(device, j);
Richard Smith924f92f2006-07-29 17:40:36 +0000[diff] [blame]27 if (status < 0) {
Keith Hui09f5a742010-12-23 17:12:03 +0000[diff] [blame]28 printk(BIOS_DEBUG, "bad device\n");
Richard Smith924f92f2006-07-29 17:40:36 +0000[diff] [blame]29 break;
30 }
31 byte = status & 0xff;
Keith Hui09f5a742010-12-23 17:12:03 +0000[diff] [blame]32 printk(BIOS_DEBUG, "%02x ", byte);
Richard Smith924f92f2006-07-29 17:40:36 +0000[diff] [blame]33 }
Keith Hui09f5a742010-12-23 17:12:03 +0000[diff] [blame]34 printk(BIOS_DEBUG, "\n");
Richard Smith924f92f2006-07-29 17:40:36 +0000[diff] [blame]35 }
Richard Smith924f92f2006-07-29 17:40:36 +0000[diff] [blame]36 }
37}
Stefan Reinauer3c0bfaf2010-12-27 11:34:57 +0000[diff] [blame]38
Martin Roth468d02c2019-10-23 21:44:42 -0600[diff] [blame]39void dump_pci_device(unsigned int dev)
Stefan Reinauer3c0bfaf2010-12-27 11:34:57 +0000[diff] [blame]40{
41 int i;
Stefan Reinauer65b72ab2015-01-05 12:59:54 -0800[diff] [blame]42 printk(BIOS_DEBUG, "PCI: %02x:%02x.%02x\n", (dev >> 20) & 0xff, (dev >> 15) & 0x1f, (dev >> 12) & 7);
Stefan Reinauer3c0bfaf2010-12-27 11:34:57 +0000[diff] [blame]43
44 for (i = 0; i <= 255; i++) {
45 unsigned char val;
Stefan Reinauer3c0bfaf2010-12-27 11:34:57 +0000[diff] [blame]46 val = pci_read_config8(dev, i);
Stefan Reinauer65b72ab2015-01-05 12:59:54 -0800[diff] [blame]47 if ((i & 0x0f) == 0)
Keith Huif516dd82017-08-25 12:51:14 -0400[diff] [blame]48 printk(BIOS_DEBUG, "%02x:", i);
49 printk(BIOS_DEBUG, " %02x", val);
Stefan Reinauer65b72ab2015-01-05 12:59:54 -0800[diff] [blame]50 if ((i & 0x0f) == 0x0f)
51 printk(BIOS_DEBUG, "\n");
Stefan Reinauer3c0bfaf2010-12-27 11:34:57 +0000[diff] [blame]52 }
53}