diff options
Diffstat (limited to 'board/emulation/qemu-xtensa/qemu-xtensa.c')
-rw-r--r-- | board/emulation/qemu-xtensa/qemu-xtensa.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/board/emulation/qemu-xtensa/qemu-xtensa.c b/board/emulation/qemu-xtensa/qemu-xtensa.c new file mode 100644 index 00000000000..0ca83341c25 --- /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; +} |