58 lines
1.5 KiB
C
58 lines
1.5 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2015 Google, Inc
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*/
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#include <common.h>
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#include <debug_uart.h>
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#include <dm.h>
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#include <dt-structs.h>
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#include <ns16550.h>
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#include <serial.h>
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#include <asm/arch-rockchip/clock.h>
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#include <dm/device-internal.h>
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struct rockchip_uart_plat {
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#if CONFIG_IS_ENABLED(OF_PLATDATA)
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struct dtd_rockchip_uart dtplat;
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#endif
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struct ns16550_plat plat;
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};
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#if CONFIG_IS_ENABLED(OF_PLATDATA)
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struct dtd_rockchip_uart *dtplat, s_dtplat;
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#endif
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static int rockchip_serial_probe(struct udevice *dev)
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{
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#if CONFIG_IS_ENABLED(OF_PLATDATA)
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struct rockchip_uart_plat *plat = dev_get_plat(dev);
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/* Create some new platform data for the standard driver */
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plat->plat.base = plat->dtplat.reg[0];
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plat->plat.reg_shift = plat->dtplat.reg_shift;
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plat->plat.clock = plat->dtplat.clock_frequency;
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plat->plat.fcr = UART_FCR_DEFVAL;
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dev_set_plat(dev, &plat->plat);
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return ns16550_serial_probe(dev);
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#else
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return -ENODEV;
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#endif
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}
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U_BOOT_DRIVER(rockchip_uart) = {
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.name = "rockchip_uart",
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.id = UCLASS_SERIAL,
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.priv_auto = sizeof(struct ns16550),
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.plat_auto = sizeof(struct rockchip_uart_plat),
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.probe = rockchip_serial_probe,
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.ops = &ns16550_serial_ops,
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.flags = DM_FLAG_PRE_RELOC,
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};
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DM_DRIVER_ALIAS(rockchip_uart, rockchip_rk3066_uart)
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DM_DRIVER_ALIAS(rockchip_uart, rockchip_rk3188_uart)
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DM_DRIVER_ALIAS(rockchip_uart, rockchip_rk3288_uart)
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DM_DRIVER_ALIAS(rockchip_uart, rockchip_rk3328_uart)
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DM_DRIVER_ALIAS(rockchip_uart, rockchip_rk3368_uart)
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