mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 10:48:51 +00:00
bc0b28427a
Since we currently don't have device tree available in SPL, add platform data so the uart works. Signed-off-by: Simon Glass <sjg@chromium.org>
54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
/*
|
|
* Copyright (c) 2014 Google, Inc
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <common.h>
|
|
#include <dm.h>
|
|
#include <ns16550.h>
|
|
#include <serial.h>
|
|
|
|
#ifdef CONFIG_OF_CONTROL
|
|
static const struct udevice_id tegra_serial_ids[] = {
|
|
{ .compatible = "nvidia,tegra20-uart" },
|
|
{ }
|
|
};
|
|
|
|
static int tegra_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 = V_NS16550_CLK;
|
|
|
|
return 0;
|
|
}
|
|
#else
|
|
struct ns16550_platdata tegra_serial = {
|
|
.base = CONFIG_SYS_NS16550_COM1,
|
|
.reg_shift = 2,
|
|
.clock = V_NS16550_CLK,
|
|
};
|
|
|
|
U_BOOT_DEVICE(ns16550_serial) = {
|
|
"serial_tegra20", &tegra_serial
|
|
};
|
|
#endif
|
|
|
|
U_BOOT_DRIVER(serial_ns16550) = {
|
|
.name = "serial_tegra20",
|
|
.id = UCLASS_SERIAL,
|
|
#ifdef CONFIG_OF_CONTROL
|
|
.of_match = tegra_serial_ids,
|
|
.ofdata_to_platdata = tegra_serial_ofdata_to_platdata,
|
|
.platdata_auto_alloc_size = sizeof(struct ns16550_platdata),
|
|
#endif
|
|
.priv_auto_alloc_size = sizeof(struct NS16550),
|
|
.probe = ns16550_serial_probe,
|
|
.ops = &ns16550_serial_ops,
|
|
.flags = DM_FLAG_PRE_RELOC,
|
|
};
|