cc026798ce
Replace the use of the old device_t definition inside southbridge/intel/i82801dx. Change-Id: I32888930d3742432a73dfc0a32c6586186e6757c Signed-off-by: Antonello Dettori <dev@dettori.io> Reviewed-on: https://review.coreboot.org/17297 Tested-by: build bot (Jenkins) Reviewed-by: Martin Roth <martinroth@google.com>
31 lines
1 KiB
C
31 lines
1 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2008 Joseph Smith <joe@settoplinux.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; version 2 of
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* the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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static void i82801dx_halt_tco_timer(void)
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{
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/* Set the LPC device statically. */
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pci_devfn_t dev = PCI_DEV(0x0, 0x1f, 0x0);
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/* Temporarily set ACPI base address (I/O space). */
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pci_write_config32(dev, PMBASE, (PMBASE_ADDR | 1));
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/* Enable ACPI I/O. */
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pci_write_config8(dev, ACPI_CNTL, 0x10);
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/* Halt the TCO timer, preventing SMI and automatic reboot */
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outw(inw(PMBASE_ADDR + TCOBASE + TCO1_CNT) | (1 << 11),
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PMBASE_ADDR + TCOBASE + TCO1_CNT);
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}
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