x86: qemu: Convert to use driver model pci

Move to driver model for pci on QEMU.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Acked-by: Simon Glass <sjg@chromium.org>

arch/x86/cpu/qemu/Makefile

@@ -9,4 +9,3 @@ obj-y += car.o dram.o
 endif
 obj-y += qemu.o
 obj-$(CONFIG_GENERATE_ACPI_TABLE) += acpi.o dsdt.o
-obj-$(CONFIG_PCI) += pci.o

arch/x86/cpu/qemu/pci.c

-/*
- * Copyright (C) 2015, Bin Meng <bmeng.cn@gmail.com>
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <pci.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-void board_pci_setup_hose(struct pci_controller *hose)
-{
-	hose->first_busno = 0;
-	hose->last_busno = 0;
-
-	/* PCI memory space */
-	pci_set_region(hose->regions + 0,
-		       CONFIG_PCI_MEM_BUS,
-		       CONFIG_PCI_MEM_PHYS,
-		       CONFIG_PCI_MEM_SIZE,
-		       PCI_REGION_MEM);
-
-	/* PCI IO space */
-	pci_set_region(hose->regions + 1,
-		       CONFIG_PCI_IO_BUS,
-		       CONFIG_PCI_IO_PHYS,
-		       CONFIG_PCI_IO_SIZE,
-		       PCI_REGION_IO);
-
-	pci_set_region(hose->regions + 2,
-		       CONFIG_PCI_PREF_BUS,
-		       CONFIG_PCI_PREF_PHYS,
-		       CONFIG_PCI_PREF_SIZE,
-		       PCI_REGION_PREFETCH);
-
-	pci_set_region(hose->regions + 3,
-		       0,
-		       0,
-		       gd->ram_size,
-		       PCI_REGION_MEM | PCI_REGION_SYS_MEMORY);
-
-	hose->region_count = 4;
-}
-
-int board_pci_post_scan(struct pci_controller *hose)
-{
-	return 0;
-}

configs/qemu-x86_defconfig

@@ -17,6 +17,7 @@ CONFIG_CPU=y
 CONFIG_SPI_FLASH=y
 CONFIG_NETDEVICES=y
 CONFIG_E1000=y
+CONFIG_DM_PCI=y
 CONFIG_DM_RTC=y
 CONFIG_VIDEO_VESA=y
 CONFIG_FRAMEBUFFER_SET_VESA_MODE=y

include/configs/qemu-x86.h

@@ -17,18 +17,6 @@
 #define CONFIG_ARCH_MISC_INIT
 #define CONFIG_ARCH_EARLY_INIT_R
 
-#define CONFIG_PCI_MEM_BUS		0xc0000000
-#define CONFIG_PCI_MEM_PHYS		CONFIG_PCI_MEM_BUS
-#define CONFIG_PCI_MEM_SIZE		0x10000000
-
-#define CONFIG_PCI_PREF_BUS		0xd0000000
-#define CONFIG_PCI_PREF_PHYS		CONFIG_PCI_PREF_BUS
-#define CONFIG_PCI_PREF_SIZE		0x10000000
-
-#define CONFIG_PCI_IO_BUS		0x2000
-#define CONFIG_PCI_IO_PHYS		CONFIG_PCI_IO_BUS
-#define CONFIG_PCI_IO_SIZE		0xe000
-
 #define CONFIG_SYS_EARLY_PCI_INIT
 #define CONFIG_PCI_PNP