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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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1c0c13eb93
Note that the BCM4710 does not support the wait instruction, this
is not a mistake in the code.
It originally comes from the OpenWrt patches.
Cc: Michael Buesch <mb@bu3sch.de>
Cc: Felix Fietkau <nbd@openwrt.org>
Cc: Florian Schirmer <jolt@tuxbox.org>
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
/*
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* This file is subject to the terms and conditions of the GNU General Public
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* License. See the file "COPYING" in the main directory of this archive
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* for more details.
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*
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* Copyright (C) 2007 Aurelien Jarno <aurelien@aurel32.net>
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*/
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#include <linux/module.h>
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#include <linux/init.h>
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#include <linux/serial.h>
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#include <linux/serial_8250.h>
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#include <linux/ssb/ssb.h>
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#include <bcm47xx.h>
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static struct plat_serial8250_port uart8250_data[5];
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static struct platform_device uart8250_device = {
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.name = "serial8250",
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.id = PLAT8250_DEV_PLATFORM,
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.dev = {
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.platform_data = uart8250_data,
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},
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};
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static int __init uart8250_init(void)
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{
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int i;
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struct ssb_mipscore *mcore = &(ssb_bcm47xx.mipscore);
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memset(&uart8250_data, 0, sizeof(uart8250_data));
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for (i = 0; i < mcore->nr_serial_ports; i++) {
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struct plat_serial8250_port *p = &(uart8250_data[i]);
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struct ssb_serial_port *ssb_port = &(mcore->serial_ports[i]);
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p->mapbase = (unsigned int) ssb_port->regs;
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p->membase = (void *) ssb_port->regs;
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p->irq = ssb_port->irq + 2;
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p->uartclk = ssb_port->baud_base;
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p->regshift = ssb_port->reg_shift;
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p->iotype = UPIO_MEM;
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p->flags = UPF_BOOT_AUTOCONF | UPF_SHARE_IRQ;
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}
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return platform_device_register(&uart8250_device);
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}
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module_init(uart8250_init);
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MODULE_AUTHOR("Aurelien Jarno <aurelien@aurel32.net>");
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MODULE_LICENSE("GPL");
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MODULE_DESCRIPTION("8250 UART probe driver for the BCM47XX platforms");
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