mirror of
https://github.com/brain-hackers/u-boot-brain
synced 2024-09-24 13:40:24 +09:00
caa4daa2ae
We use 'priv' for private data but often use 'platdata' for platform data. We can't really use 'pdata' since that is ambiguous (it could mean private or platform data). Rename some of the latter variables to end with 'plat' for consistency. Signed-off-by: Simon Glass <sjg@chromium.org>
66 lines
1.7 KiB
C
66 lines
1.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (C) 2019 Intel Corporation <www.intel.com>
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*/
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#include <common.h>
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#include <dm.h>
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#include <log.h>
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#include <ns16550.h>
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#include <serial.h>
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#include <asm/arch/slimbootloader.h>
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/**
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* The serial port info hob is generated by Slim Bootloader, so eligible for
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* Slim Bootloader based boards only.
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*/
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static int slimbootloader_serial_ofdata_to_platdata(struct udevice *dev)
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{
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const efi_guid_t guid = SBL_SERIAL_PORT_INFO_GUID;
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struct sbl_serial_port_info *data;
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struct ns16550_platdata *plat = dev->plat;
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if (!gd->arch.hob_list)
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panic("hob list not found!");
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data = hob_get_guid_hob_data(gd->arch.hob_list, NULL, &guid);
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if (!data) {
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debug("failed to get serial port information\n");
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return -ENOENT;
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}
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debug("type:%d base=0x%08x baudrate=%d stride=%d clk=%d\n",
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data->type,
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data->base,
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data->baud,
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data->stride,
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data->clk);
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plat->base = data->base;
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/* ns16550 uses reg_shift, then covert stride to shift */
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plat->reg_shift = data->stride >> 1;
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plat->reg_width = data->stride;
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plat->clock = data->clk;
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plat->fcr = UART_FCR_DEFVAL;
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plat->flags = 0;
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if (data->type == 1)
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plat->flags |= NS16550_FLAG_IO;
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return 0;
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}
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static const struct udevice_id slimbootloader_serial_ids[] = {
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{ .compatible = "intel,slimbootloader-uart" },
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{}
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};
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U_BOOT_DRIVER(serial_slimbootloader) = {
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.name = "serial_slimbootloader",
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.id = UCLASS_SERIAL,
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.of_match = slimbootloader_serial_ids,
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.ofdata_to_platdata = slimbootloader_serial_ofdata_to_platdata,
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.plat_auto = sizeof(struct ns16550_platdata),
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.priv_auto = sizeof(struct NS16550),
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.probe = ns16550_serial_probe,
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.ops = &ns16550_serial_ops,
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};
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