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siemens/mc_bdx1: Show mainboard hardware version on console 

Show mainboard version in the console log so that one can easily see it.

Change-Id: I33bae8b340fce13c0cbe525521828929038b069a
Signed-off-by: Werner Zeh <werner.zeh@siemens.com>
Reviewed-on: https://review.coreboot.org/23750
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Werner Zeh 2018-02-14 08:08:24 +01:00
parent 2012a2357d
commit f7da8927f6
1 changed files with 27 additions and 1 deletions
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28
src/mainboard/siemens/mc_bdx1/mainboard.c
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@ -3,7 +3,7 @@
*
* Copyright (C) 2007-2009 coresystems GmbH
* Copyright (C) 2011 Google Inc.
* Copyright (C) 2016 Siemens AG
* Copyright (C) 2016-2018 Siemens AG
*
* 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
@ -21,6 +21,7 @@
#include <device/pci_def.h>
#include <device/pci_ops.h>
#include <device/pci_ids.h>
#include <device/path.h>
#include <console/console.h>
#if IS_ENABLED(CONFIG_VGA_ROM_RUN)
#include <x86emu/x86emu.h>
@ -38,6 +39,7 @@
#include <bootstate.h>
#include <timer.h>
#include <timestamp.h>
#include <pca9538.h>
#define MAX_PATH_DEPTH 12
#define MAX_NUM_MAPPINGS 10
@ -88,6 +90,8 @@
#define SPI_REG_OPMENU_L 0x98
#define SPI_REG_OPMENU_H 0x9c
/* Define the slave address for the I/O expander. */
#define PCA9538_SLAVE_ADR 0x71
/*
* mainboard_enable is executed as first thing after enumerate_buses().
* This is the earliest point to add customization.
@ -143,6 +147,11 @@ static void mainboard_final(void *chip_info)
cmd |= PCI_COMMAND_MASTER;
pci_write_config16(dev, PCI_COMMAND, cmd);
}
/* Show the mainboard version well-visible on console. */
printk(BIOS_NOTICE, "***************************\n"
"* Mainboard version: 0x%02x *\n"
"***************************\n",
pca9538_read_input());
}
/** \brief This function can decide if a given MAC address is valid or not.
@ -242,6 +251,23 @@ static void wait_for_legacy_dev(void *unused)
printk(BIOS_NOTICE, "done!\n");
}
/*
* To access the I/O expander PCA9538 we need to know its device structure.
* This function will provide it as mainboard code has the knowledge of the
* right I2C slave address for the I/O expander.
*/
struct device *pca9538_get_dev(void)
{
struct device *dev = NULL;
do {
dev = dev_find_path(dev, DEVICE_PATH_I2C);
if (dev->path.i2c.device == PCA9538_SLAVE_ADR)
break;
} while (dev);
return dev;
}
BOOT_STATE_INIT_ENTRY(BS_DEV_ENUMERATE, BS_ON_ENTRY, wait_for_legacy_dev, NULL);
struct chip_operations mainboard_ops = {