diff options
| author | Simon Glass <sjg@chromium.org> | 2014-10-10 07:49:20 -0600 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2014-10-23 19:45:45 -0600 |
| commit | e98a03ca68ca0edd08c260126aacc8c0f550804a (patch) | |
| tree | fdfa45d062d384369bc0271b4671028043a5faa9 /drivers | |
| parent | d1259c9f5fec24294344ebe5a66ec52376b3d46b (diff) | |
| download | u-boot-imx-e98a03ca68ca0edd08c260126aacc8c0f550804a.zip u-boot-imx-e98a03ca68ca0edd08c260126aacc8c0f550804a.tar.gz u-boot-imx-e98a03ca68ca0edd08c260126aacc8c0f550804a.tar.bz2 | |
dm: x86: Convert coreboot serial to use driver model
This makes use of the existing device tree node to use driver model
for the serial console.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/serial/Makefile | 1 | ||||
| -rw-r--r-- | drivers/serial/serial_coreboot.c | 38 |
2 files changed, 39 insertions, 0 deletions
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile index cd87d18..2c19ebc 100644 --- a/drivers/serial/Makefile +++ b/drivers/serial/Makefile @@ -42,6 +42,7 @@ obj-$(CONFIG_ARC_SERIAL) += serial_arc.o obj-$(CONFIG_TEGRA_SERIAL) += serial_tegra.o obj-$(CONFIG_UNIPHIER_SERIAL) += serial_uniphier.o obj-$(CONFIG_OMAP_SERIAL) += serial_omap.o +obj-$(CONFIG_COREBOOT_SERIAL) += serial_coreboot.o ifndef CONFIG_SPL_BUILD obj-$(CONFIG_USB_TTY) += usbtty.o diff --git a/drivers/serial/serial_coreboot.c b/drivers/serial/serial_coreboot.c new file mode 100644 index 0000000..5c6a76c --- /dev/null +++ b/drivers/serial/serial_coreboot.c @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2014 Google, Inc + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <dm.h> +#include <ns16550.h> +#include <serial.h> + +static const struct udevice_id coreboot_serial_ids[] = { + { .compatible = "coreboot-uart" }, + { } +}; + +static int coreboot_serial_ofdata_to_platdata(struct udevice *dev) +{ + struct ns16550_platdata *plat = dev_get_platdata(dev); + int ret; + + ret = ns16550_serial_ofdata_to_platdata(dev); + if (ret) + return ret; + plat->clock = 1843200; + + return 0; +} +U_BOOT_DRIVER(serial_ns16550) = { + .name = "serial_coreboot", + .id = UCLASS_SERIAL, + .of_match = coreboot_serial_ids, + .ofdata_to_platdata = coreboot_serial_ofdata_to_platdata, + .platdata_auto_alloc_size = sizeof(struct ns16550_platdata), + .priv_auto_alloc_size = sizeof(struct NS16550), + .probe = ns16550_serial_probe, + .ops = &ns16550_serial_ops, +}; |