6137b7a629
STD_COM_FLAGS is mostly a bad name for what the drivers thinks it is. Stop using it and pass the flags directly. cyclades defines it as 0, so we do not assign anything to freshly tty_port_init'ed structure. Signed-off-by: Jiri Slaby <jslaby@suse.cz> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
175 lines
3.7 KiB
C
175 lines
3.7 KiB
C
/*
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* arch/xtensa/platforms/xt2000/setup.c
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*
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* Platform specific functions for the XT2000 board.
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*
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* Authors: Chris Zankel <chris@zankel.net>
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* Joe Taylor <joe@tensilica.com>
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*
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* Copyright 2001 - 2004 Tensilica Inc.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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#include <linux/stddef.h>
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#include <linux/kernel.h>
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#include <linux/init.h>
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#include <linux/errno.h>
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#include <linux/reboot.h>
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#include <linux/kdev_t.h>
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#include <linux/types.h>
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#include <linux/major.h>
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#include <linux/console.h>
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#include <linux/delay.h>
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#include <linux/stringify.h>
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#include <linux/platform_device.h>
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#include <linux/serial.h>
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#include <linux/serial_8250.h>
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#include <asm/processor.h>
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#include <asm/platform.h>
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#include <asm/bootparam.h>
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#include <platform/hardware.h>
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#include <platform/serial.h>
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/* Assumes s points to an 8-chr string. No checking for NULL. */
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static void led_print (int f, char *s)
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{
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unsigned long* led_addr = (unsigned long*) (XT2000_LED_ADDR + 0xE0) + f;
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int i;
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for (i = f; i < 8; i++)
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if ((*led_addr++ = *s++) == 0)
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break;
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}
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void platform_halt(void)
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{
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led_print (0, " HALT ");
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local_irq_disable();
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while (1);
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}
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void platform_power_off(void)
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{
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led_print (0, "POWEROFF");
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local_irq_disable();
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while (1);
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}
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void platform_restart(void)
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{
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/* Flush and reset the mmu, simulate a processor reset, and
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* jump to the reset vector. */
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__asm__ __volatile__ ("movi a2, 15\n\t"
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"wsr a2, icountlevel\n\t"
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"movi a2, 0\n\t"
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"wsr a2, icount\n\t"
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#if XCHAL_NUM_IBREAK > 0
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"wsr a2, ibreakenable\n\t"
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#endif
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#if XCHAL_HAVE_LOOPS
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"wsr a2, lcount\n\t"
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#endif
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"movi a2, 0x1f\n\t"
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"wsr a2, ps\n\t"
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"isync\n\t"
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"jx %0\n\t"
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:
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: "a" (XCHAL_RESET_VECTOR_VADDR)
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: "a2"
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);
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/* control never gets here */
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}
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void __init platform_setup(char** cmdline)
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{
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led_print (0, "LINUX ");
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}
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/* early initialization */
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void __init platform_init(bp_tag_t *first)
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{
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}
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/* Heartbeat. Let the LED blink. */
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void platform_heartbeat(void)
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{
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static int i=0, t = 0;
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if (--t < 0)
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{
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t = 59;
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led_print(7, i ? ".": " ");
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i ^= 1;
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}
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}
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//#define RS_TABLE_SIZE 2
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#define _SERIAL_PORT(_base,_irq) \
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{ \
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.mapbase = (_base), \
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.membase = (void*)(_base), \
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.irq = (_irq), \
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.uartclk = DUART16552_XTAL_FREQ, \
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.iotype = UPIO_MEM, \
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.flags = UPF_BOOT_AUTOCONF, \
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.regshift = 2, \
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}
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static struct plat_serial8250_port xt2000_serial_data[] = {
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#if XCHAL_HAVE_BE
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_SERIAL_PORT(DUART16552_1_ADDR + 3, DUART16552_1_INTNUM),
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_SERIAL_PORT(DUART16552_2_ADDR + 3, DUART16552_2_INTNUM),
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#else
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_SERIAL_PORT(DUART16552_1_ADDR, DUART16552_1_INTNUM),
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_SERIAL_PORT(DUART16552_2_ADDR, DUART16552_2_INTNUM),
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#endif
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{ }
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};
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static struct platform_device xt2000_serial8250_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 = xt2000_serial_data,
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},
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};
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static struct resource xt2000_sonic_res[] = {
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{
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.start = SONIC83934_ADDR,
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.end = SONIC83934_ADDR + 0xff,
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.flags = IORESOURCE_MEM,
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},
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{
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.start = SONIC83934_INTNUM,
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.end = SONIC83934_INTNUM,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device xt2000_sonic_device = {
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.name = "xtsonic",
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.num_resources = ARRAY_SIZE(xt2000_sonic_res),
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.resource = xt2000_sonic_res,
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};
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static int __init xt2000_setup_devinit(void)
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{
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platform_device_register(&xt2000_serial8250_device);
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platform_device_register(&xt2000_sonic_device);
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return 0;
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}
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device_initcall(xt2000_setup_devinit);
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