x86: qemu: Expand ROM size

Expand the ROM for x86_64 to 2MB to make space for the font, as it is
already on the edge.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/board/emulation/qemu-x86/Kconfig b/board/emulation/qemu-x86/Kconfig
index 01dc1d4..34d665a 100644
--- a/board/emulation/qemu-x86/Kconfig
+++ b/board/emulation/qemu-x86/Kconfig
@@ -21,7 +21,8 @@
 	select X86_RESET_VECTOR
 	select QEMU
 	select QFW_PIO if CMD_QFW
-	select BOARD_ROMSIZE_KB_1024
+	select BOARD_ROMSIZE_KB_1024 if TARGET_QEMU_X86
+	select BOARD_ROMSIZE_KB_2048 if TARGET_QEMU_X86_64
 	imply VIRTIO_PCI
 	imply VIRTIO_NET
 	imply VIRTIO_BLK
diff --git a/configs/qemu-x86_64_defconfig b/configs/qemu-x86_64_defconfig
index 8b4c5af..79cdb0b 100644
--- a/configs/qemu-x86_64_defconfig
+++ b/configs/qemu-x86_64_defconfig
@@ -6,7 +6,7 @@
 CONFIG_MAX_CPUS=2
 CONFIG_SPL_DM_SPI=y
 CONFIG_DEFAULT_DEVICE_TREE="qemu-x86_i440fx"
-CONFIG_SPL_TEXT_BASE=0xfffd8000
+CONFIG_SPL_TEXT_BASE=0xfffd4000
 CONFIG_SPL_SYS_MALLOC_F_LEN=0x2000
 CONFIG_DEBUG_UART_BASE=0x3f8
 CONFIG_DEBUG_UART_CLOCK=1843200
@@ -17,7 +17,7 @@
 CONFIG_SMP=y
 CONFIG_GENERATE_PIRQ_TABLE=y
 CONFIG_GENERATE_MP_TABLE=y
-CONFIG_X86_OFFSET_U_BOOT=0xfff00000
+CONFIG_X86_OFFSET_U_BOOT=0xffe00000
 CONFIG_SYS_MONITOR_BASE=0x01110000
 CONFIG_FIT=y
 CONFIG_SPL_LOAD_FIT=y