board: emulation: New board qemu-xtensa
Introduce the new board, define every bits.
Tested-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
diff --git a/board/emulation/qemu-xtensa/qemu-xtensa.c b/board/emulation/qemu-xtensa/qemu-xtensa.c
new file mode 100644
index 0000000..0ca8334
--- /dev/null
+++ b/board/emulation/qemu-xtensa/qemu-xtensa.c
@@ -0,0 +1,60 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2018, Bin Meng <bmeng.cn@gmail.com>
+ */
+
+#include <dm.h>
+#include <cpu.h>
+#include <log.h>
+#include <init.h>
+#include <usb.h>
+#include <virtio_types.h>
+#include <virtio.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+int board_init(void)
+{
+ return 0;
+}
+
+unsigned long get_board_sys_clk(void)
+{
+ return gd->cpu_clk ? gd->cpu_clk : 40000000;
+}
+
+int dram_init(void)
+{
+ return fdtdec_setup_mem_size_base();
+}
+
+int board_early_init_f(void)
+{
+ struct cpu_plat *cpu_plat;
+ struct udevice *cpu = cpu_get_current_dev();
+
+ if (!cpu)
+ return -ENODEV;
+
+ cpu_plat = dev_get_parent_plat(cpu);
+ if (!cpu_plat)
+ return -ENODEV;
+
+ gd->cpu_clk = cpu_plat->timebase_freq;
+ return 0;
+}
+
+int board_late_init(void)
+{
+ /* start usb so that usb keyboard can be used as input device */
+ if (CONFIG_IS_ENABLED(USB_KEYBOARD))
+ usb_init();
+
+ /*
+ * Make sure virtio bus is enumerated so that peripherals
+ * on the virtio bus can be discovered by their drivers
+ */
+ virtio_init();
+
+ return 0;
+}