Release 4.14 arch/xtensa/platforms/xt2000/setup.c
/*
* arch/xtensa/platforms/xt2000/setup.c
*
* Platform specific functions for the XT2000 board.
*
* Authors: Chris Zankel <chris@zankel.net>
* Joe Taylor <joe@tensilica.com>
*
* Copyright 2001 - 2004 Tensilica Inc.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version.
*
*/
#include <linux/stddef.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/errno.h>
#include <linux/reboot.h>
#include <linux/kdev_t.h>
#include <linux/types.h>
#include <linux/major.h>
#include <linux/console.h>
#include <linux/delay.h>
#include <linux/stringify.h>
#include <linux/platform_device.h>
#include <linux/serial.h>
#include <linux/serial_8250.h>
#include <asm/processor.h>
#include <asm/platform.h>
#include <asm/bootparam.h>
#include <platform/hardware.h>
#include <platform/serial.h>
/* Assumes s points to an 8-chr string. No checking for NULL. */
static void led_print (int f, char *s)
{
unsigned long* led_addr = (unsigned long*) (XT2000_LED_ADDR + 0xE0) + f;
int i;
for (i = f; i < 8; i++)
if ((*led_addr++ = *s++) == 0)
break;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Zankel | 62 | 100.00% | 1 | 100.00% |
| Total | 62 | 100.00% | 1 | 100.00% |
void platform_halt(void)
{
led_print (0, " HALT ");
local_irq_disable();
while (1);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Zankel | 22 | 100.00% | 1 | 100.00% |
| Total | 22 | 100.00% | 1 | 100.00% |
void platform_power_off(void)
{
led_print (0, "POWEROFF");
local_irq_disable();
while (1);
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Zankel | 22 | 100.00% | 1 | 100.00% |
| Total | 22 | 100.00% | 1 | 100.00% |
void platform_restart(void)
{
/* Flush and reset the mmu, simulate a processor reset, and
* jump to the reset vector. */
cpu_reset();
/* control never gets here */
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Zankel | 9 | 75.00% | 1 | 50.00% |
| Max Filippov | 3 | 25.00% | 1 | 50.00% |
| Total | 12 | 100.00% | 2 | 100.00% |
void __init platform_setup(char** cmdline)
{
led_print (0, "LINUX ");
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Zankel | 18 | 100.00% | 1 | 100.00% |
| Total | 18 | 100.00% | 1 | 100.00% |
/* early initialization */
void __init platform_init(bp_tag_t *first)
{
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Zankel | 7 | 77.78% | 1 | 50.00% |
| Max Filippov | 2 | 22.22% | 1 | 50.00% |
| Total | 9 | 100.00% | 2 | 100.00% |
/* Heartbeat. Let the LED blink. */
void platform_heartbeat(void)
{
static int i=0, t = 0;
if (--t < 0)
{
t = 59;
led_print(7, i ? ".": " ");
i ^= 1;
}
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Zankel | 45 | 100.00% | 1 | 100.00% |
| Total | 45 | 100.00% | 1 | 100.00% |
//#define RS_TABLE_SIZE 2
#define _SERIAL_PORT(_base,_irq) \
{ \
.mapbase = (_base), \
.membase = (void*)(_base), \
.irq = (_irq), \
.uartclk = DUART16552_XTAL_FREQ, \
.iotype = UPIO_MEM, \
.flags = UPF_BOOT_AUTOCONF, \
.regshift = 2, \
}
static struct plat_serial8250_port xt2000_serial_data[] = {
#if XCHAL_HAVE_BE
_SERIAL_PORT(DUART16552_1_ADDR + 3, DUART16552_1_INTNUM),
_SERIAL_PORT(DUART16552_2_ADDR + 3, DUART16552_2_INTNUM),
#else
_SERIAL_PORT(DUART16552_1_ADDR, DUART16552_1_INTNUM),
_SERIAL_PORT(DUART16552_2_ADDR, DUART16552_2_INTNUM),
#endif
{ }
};
static struct platform_device xt2000_serial8250_device = {
.name = "serial8250",
.id = PLAT8250_DEV_PLATFORM,
.dev = {
.platform_data = xt2000_serial_data,
},
};
static struct resource xt2000_sonic_res[] = {
{
.start = SONIC83934_ADDR,
.end = SONIC83934_ADDR + 0xff,
.flags = IORESOURCE_MEM,
},
{
.start = SONIC83934_INTNUM,
.end = SONIC83934_INTNUM,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device xt2000_sonic_device = {
.name = "xtsonic",
.num_resources = ARRAY_SIZE(xt2000_sonic_res),
.resource = xt2000_sonic_res,
};
static int __init xt2000_setup_devinit(void)
{
platform_device_register(&xt2000_serial8250_device);
platform_device_register(&xt2000_sonic_device);
return 0;
}
Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Zankel | 24 | 100.00% | 1 | 100.00% |
| Total | 24 | 100.00% | 1 | 100.00% |
device_initcall(xt2000_setup_devinit);
Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Chris Zankel | 431 | 98.85% | 1 | 33.33% |
| Max Filippov | 5 | 1.15% | 2 | 66.67% |
| Total | 436 | 100.00% | 3 | 100.00% |
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