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sb/intel/common: Add smbus_host_reset()

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Change-Id: I3f6000df391295e2c0ce910a2a919a1dd3333519
Signed-off-by: Kyösti Mälkki <kyosti.malkki@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/38229
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
This commit is contained in:
Kyösti Mälkki
2020-01-06 19:00:31 +02:00
parent c528426b26
commit 7cdcc38f29
10 changed files with 28 additions and 47 deletions
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7
src/southbridge/intel/ibexpeak/early_smbus.c
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@ -14,11 +14,9 @@
* GNU General Public License for more details.
*/
#include <arch/io.h>
#include <device/pci_ops.h>
#include <console/console.h>
#include <device/pci_def.h>
#include <southbridge/intel/common/smbus.h>
#include <device/smbus_host.h>
#include "pch.h"
@ -44,11 +42,8 @@ void enable_smbus(void)
/* Set SMBus I/O space enable. */
pci_write_config16(dev, PCI_COMMAND, PCI_COMMAND_IO);
/* Disable interrupt generation. */
outb(0, SMBUS_IO_BASE + SMBHSTCTL);
smbus_host_reset(SMBUS_IO_BASE);
/* Clear any lingering errors, so transactions can run. */
outb(inb(SMBUS_IO_BASE + SMBHSTSTAT), SMBUS_IO_BASE + SMBHSTSTAT);
printk(BIOS_DEBUG, "SMBus controller enabled.\n");
}