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ns16550: unify serial_ppc

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Unify serial_ppc, and use the generic binding.

Signed-off-by: Thomas Chou <thomas@wytron.com.tw>
Reviewed-by: Tom Rini <trini@konsulko.com>
[trini: Add TODO comment]
Signed-off-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
Thomas Chou 2015-11-19 21:48:07 +08:00 committed by Tom Rini
parent 81cd63a991
commit f27445cbdc
4 changed files with 9 additions and 42 deletions
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8
arch/powerpc/include/asm/config.h
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@ -104,4 +104,12 @@
/* All PPC boards must swap IDE bytes */
#define CONFIG_IDE_SWAP_IO
#if defined(CONFIG_DM_SERIAL)
/*
* TODO: Convert this to a clock driver exists that can give us the UART
* clock here.
*/
#define CONFIG_SYS_NS16550_CLK get_serial_clock()
#endif
#endif /* _ASM_CONFIG_H_ */

2
drivers/serial/Kconfig
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@ -198,7 +198,7 @@ config ROCKCHIP_SERIAL
config NS16550_SERIAL
bool "NS16550 UART or compatible"
depends on DM_SERIAL
default y if X86
default y if X86 || PPC
help
Support NS16550 UART or compatible with driver model. This can be
enabled in the device tree with the correct input clock frequency.

1
drivers/serial/Makefile
View File

@ -8,7 +8,6 @@
ifdef CONFIG_DM_SERIAL
obj-y += serial-uclass.o
obj-$(CONFIG_PL01X_SERIAL) += serial_pl01x.o
obj-$(CONFIG_PPC) += serial_ppc.o
else
obj-y += serial.o
obj-$(CONFIG_PL010_SERIAL) += serial_pl01x.o

40
drivers/serial/serial_ppc.c
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@ -1,40 +0,0 @@
/*
* 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 ppc_serial_ids[] = {
{ .compatible = "ns16550" },
{ }
};
static int ppc_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 = get_serial_clock();
return 0;
}
U_BOOT_DRIVER(serial_ns16550) = {
.name = "serial_ppc",
.id = UCLASS_SERIAL,
.of_match = ppc_serial_ids,
.ofdata_to_platdata = ppc_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,
.flags = DM_FLAG_PRE_RELOC,
};