mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-26 02:39:48 +00:00
fd534e9b5f
Based on 1 normalized pattern(s): 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 this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details you should have received a copy of the gnu general public license along with this program if not write to the free software foundation inc 51 franklin st fifth floor boston ma 02110 1301 usa extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 50 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190523091649.499889647@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
142 lines
3.6 KiB
C
142 lines
3.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
|
|
/*
|
|
* BRIEF MODULE DESCRIPTION
|
|
* MyCable XXS1500 board support
|
|
*
|
|
* Copyright 2003, 2008 MontaVista Software Inc.
|
|
* Author: MontaVista Software, Inc. <source@mvista.com>
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/init.h>
|
|
#include <linux/interrupt.h>
|
|
#include <linux/platform_device.h>
|
|
#include <linux/gpio.h>
|
|
#include <linux/delay.h>
|
|
#include <linux/pm.h>
|
|
#include <asm/bootinfo.h>
|
|
#include <asm/reboot.h>
|
|
#include <asm/setup.h>
|
|
#include <asm/mach-au1x00/au1000.h>
|
|
#include <prom.h>
|
|
|
|
const char *get_system_type(void)
|
|
{
|
|
return "XXS1500";
|
|
}
|
|
|
|
void __init prom_init(void)
|
|
{
|
|
unsigned char *memsize_str;
|
|
unsigned long memsize;
|
|
|
|
prom_argc = fw_arg0;
|
|
prom_argv = (char **)fw_arg1;
|
|
prom_envp = (char **)fw_arg2;
|
|
|
|
prom_init_cmdline();
|
|
|
|
memsize_str = prom_getenv("memsize");
|
|
if (!memsize_str || kstrtoul(memsize_str, 0, &memsize))
|
|
memsize = 0x04000000;
|
|
|
|
add_memory_region(0, memsize, BOOT_MEM_RAM);
|
|
}
|
|
|
|
void prom_putchar(char c)
|
|
{
|
|
alchemy_uart_putchar(AU1000_UART0_PHYS_ADDR, c);
|
|
}
|
|
|
|
static void xxs1500_reset(char *c)
|
|
{
|
|
/* Jump to the reset vector */
|
|
__asm__ __volatile__("jr\t%0" : : "r"(0xbfc00000));
|
|
}
|
|
|
|
static void xxs1500_power_off(void)
|
|
{
|
|
while (1)
|
|
asm volatile (
|
|
" .set mips32 \n"
|
|
" wait \n"
|
|
" .set mips0 \n");
|
|
}
|
|
|
|
void __init board_setup(void)
|
|
{
|
|
u32 pin_func;
|
|
|
|
pm_power_off = xxs1500_power_off;
|
|
_machine_halt = xxs1500_power_off;
|
|
_machine_restart = xxs1500_reset;
|
|
|
|
alchemy_gpio1_input_enable();
|
|
alchemy_gpio2_enable();
|
|
|
|
/* Set multiple use pins (UART3/GPIO) to UART (it's used as UART too) */
|
|
pin_func = alchemy_rdsys(AU1000_SYS_PINFUNC) & ~SYS_PF_UR3;
|
|
pin_func |= SYS_PF_UR3;
|
|
alchemy_wrsys(pin_func, AU1000_SYS_PINFUNC);
|
|
|
|
/* Enable UART */
|
|
alchemy_uart_enable(AU1000_UART3_PHYS_ADDR);
|
|
/* Enable DTR (MCR bit 0) = USB power up */
|
|
__raw_writel(1, (void __iomem *)KSEG1ADDR(AU1000_UART3_PHYS_ADDR + 0x18));
|
|
wmb();
|
|
}
|
|
|
|
/******************************************************************************/
|
|
|
|
static struct resource xxs1500_pcmcia_res[] = {
|
|
{
|
|
.name = "pcmcia-io",
|
|
.flags = IORESOURCE_MEM,
|
|
.start = AU1000_PCMCIA_IO_PHYS_ADDR,
|
|
.end = AU1000_PCMCIA_IO_PHYS_ADDR + 0x000400000 - 1,
|
|
},
|
|
{
|
|
.name = "pcmcia-attr",
|
|
.flags = IORESOURCE_MEM,
|
|
.start = AU1000_PCMCIA_ATTR_PHYS_ADDR,
|
|
.end = AU1000_PCMCIA_ATTR_PHYS_ADDR + 0x000400000 - 1,
|
|
},
|
|
{
|
|
.name = "pcmcia-mem",
|
|
.flags = IORESOURCE_MEM,
|
|
.start = AU1000_PCMCIA_MEM_PHYS_ADDR,
|
|
.end = AU1000_PCMCIA_MEM_PHYS_ADDR + 0x000400000 - 1,
|
|
},
|
|
};
|
|
|
|
static struct platform_device xxs1500_pcmcia_dev = {
|
|
.name = "xxs1500_pcmcia",
|
|
.id = -1,
|
|
.num_resources = ARRAY_SIZE(xxs1500_pcmcia_res),
|
|
.resource = xxs1500_pcmcia_res,
|
|
};
|
|
|
|
static struct platform_device *xxs1500_devs[] __initdata = {
|
|
&xxs1500_pcmcia_dev,
|
|
};
|
|
|
|
static int __init xxs1500_dev_init(void)
|
|
{
|
|
irq_set_irq_type(AU1500_GPIO204_INT, IRQ_TYPE_LEVEL_HIGH);
|
|
irq_set_irq_type(AU1500_GPIO201_INT, IRQ_TYPE_LEVEL_LOW);
|
|
irq_set_irq_type(AU1500_GPIO202_INT, IRQ_TYPE_LEVEL_LOW);
|
|
irq_set_irq_type(AU1500_GPIO203_INT, IRQ_TYPE_LEVEL_LOW);
|
|
irq_set_irq_type(AU1500_GPIO205_INT, IRQ_TYPE_LEVEL_LOW);
|
|
irq_set_irq_type(AU1500_GPIO207_INT, IRQ_TYPE_LEVEL_LOW);
|
|
|
|
irq_set_irq_type(AU1500_GPIO0_INT, IRQ_TYPE_LEVEL_LOW);
|
|
irq_set_irq_type(AU1500_GPIO1_INT, IRQ_TYPE_LEVEL_LOW);
|
|
irq_set_irq_type(AU1500_GPIO2_INT, IRQ_TYPE_LEVEL_LOW);
|
|
irq_set_irq_type(AU1500_GPIO3_INT, IRQ_TYPE_LEVEL_LOW);
|
|
irq_set_irq_type(AU1500_GPIO4_INT, IRQ_TYPE_LEVEL_LOW); /* CF irq */
|
|
irq_set_irq_type(AU1500_GPIO5_INT, IRQ_TYPE_LEVEL_LOW);
|
|
|
|
return platform_add_devices(xxs1500_devs,
|
|
ARRAY_SIZE(xxs1500_devs));
|
|
}
|
|
device_initcall(xxs1500_dev_init);
|