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x86: Run QEMU machine setup in SPL
Call the hardware-init function from QEMU from SPL. This allows the video BIOS to operate correctly. Create an x86-wide qemu.h header to avoid having to #ifdef the header in spl.c Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com> # qemu-x86_64
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3 changed files with 18 additions and 1 deletions
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@ -48,7 +48,7 @@ static void enable_pm_ich9(void)
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pci_write_config32(ICH9_PM, PMBA, CONFIG_ACPI_PM1_BASE | 1);
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}
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static void qemu_chipset_init(void)
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void qemu_chipset_init(void)
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{
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u16 device, xbcs;
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int pam, i;
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14
arch/x86/include/asm/qemu.h
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14
arch/x86/include/asm/qemu.h
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@ -0,0 +1,14 @@
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Generic QEMU header
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*
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* Copyright 2023 Google LLC
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*/
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#ifndef __QEMU_H
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#define __QEMU_H
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/* set up the chipset for QEMU so that video can be used */
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void qemu_chipset_init(void);
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#endif
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@ -27,6 +27,7 @@
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#include <asm/mtrr.h>
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#include <asm/pci.h>
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#include <asm/processor.h>
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#include <asm/qemu.h>
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#include <asm/spl.h>
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#include <asm-generic/sections.h>
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@ -291,6 +292,8 @@ void spl_board_init(void)
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#ifndef CONFIG_TPL
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preloader_console_init();
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#endif
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if (IS_ENABLED(CONFIG_QEMU))
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qemu_chipset_init();
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if (CONFIG_IS_ENABLED(VIDEO)) {
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struct udevice *dev;
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