serial_rockchip.c
1.63 KB
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/*
* Copyright (c) 2015 Google, Inc
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <debug_uart.h>
#include <dm.h>
#include <dt-structs.h>
#include <ns16550.h>
#include <serial.h>
#include <asm/arch/clock.h>
#if defined(CONFIG_ROCKCHIP_RK3188)
struct rockchip_uart_platdata {
struct dtd_rockchip_rk3188_uart dtplat;
struct ns16550_platdata plat;
};
struct dtd_rockchip_rk3188_uart *dtplat, s_dtplat;
#elif defined(CONFIG_ROCKCHIP_RK3288)
struct rockchip_uart_platdata {
struct dtd_rockchip_rk3288_uart dtplat;
struct ns16550_platdata plat;
};
struct dtd_rockchip_rk3288_uart *dtplat, s_dtplat;
#endif
static int rockchip_serial_probe(struct udevice *dev)
{
struct rockchip_uart_platdata *plat = dev_get_platdata(dev);
/* Create some new platform data for the standard driver */
plat->plat.base = plat->dtplat.reg[0];
plat->plat.reg_shift = plat->dtplat.reg_shift;
plat->plat.clock = plat->dtplat.clock_frequency;
plat->plat.fcr = UART_FCR_DEFVAL;
dev->platdata = &plat->plat;
return ns16550_serial_probe(dev);
}
U_BOOT_DRIVER(rockchip_rk3188_uart) = {
.name = "rockchip_rk3188_uart",
.id = UCLASS_SERIAL,
.priv_auto_alloc_size = sizeof(struct NS16550),
.platdata_auto_alloc_size = sizeof(struct rockchip_uart_platdata),
.probe = rockchip_serial_probe,
.ops = &ns16550_serial_ops,
.flags = DM_FLAG_PRE_RELOC,
};
U_BOOT_DRIVER(rockchip_rk3288_uart) = {
.name = "rockchip_rk3288_uart",
.id = UCLASS_SERIAL,
.priv_auto_alloc_size = sizeof(struct NS16550),
.platdata_auto_alloc_size = sizeof(struct rockchip_uart_platdata),
.probe = rockchip_serial_probe,
.ops = &ns16550_serial_ops,
.flags = DM_FLAG_PRE_RELOC,
};