arch/mips/pnx833x/common/setup.c

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 *  setup.c: Setup PNX833X Soc.
 *
 *  Copyright 2008 NXP Semiconductors
 *	  Chris Steel <chris.steel@nxp.com>
 *    Daniel Laird <daniel.j.laird@nxp.com>
 *
 *  Based on software written by:
 *	Nikita Youshchenko <yoush@debian.org>, based on PNX8550 code.
 */
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/io.h>
#include <linux/pci.h>
#include <asm/reboot.h>
#include <pnx833x.h>
#include <gpio.h>

extern void pnx833x_board_setup(void);
extern void pnx833x_machine_restart(char *);
extern void pnx833x_machine_halt(void);
extern void pnx833x_machine_power_off(void);

int __init plat_mem_setup(void)
{
	/* set mips clock to 320MHz */
#if defined(CONFIG_SOC_PNX8335)
	PNX8335_WRITEFIELD(0x17, CLOCK_PLL_CPU_CTL, FREQ);
#endif
	pnx833x_gpio_init();	/* so it will be ready in board_setup() */

	pnx833x_board_setup();

	_machine_restart = pnx833x_machine_restart;
	_machine_halt = pnx833x_machine_halt;
	pm_power_off = pnx833x_machine_power_off;

	/* IO/MEM resources. */
	set_io_port_base(KSEG1);
	ioport_resource.start = 0;
	ioport_resource.end = ~0;
	iomem_resource.start = 0;
	iomem_resource.end = ~0;

	return 0;
}