1/* 2 * setup.c: Setup PNX833X Soc. 3 * 4 * Copyright 2008 NXP Semiconductors 5 * Chris Steel <chris.steel@nxp.com> 6 * Daniel Laird <daniel.j.laird@nxp.com> 7 * 8 * Based on software written by: 9 * Nikita Youshchenko <yoush@debian.org>, based on PNX8550 code. 10 * 11 * This program is free software; you can redistribute it and/or modify 12 * it under the terms of the GNU General Public License as published by 13 * the Free Software Foundation; either version 2 of the License, or 14 * (at your option) any later version. 15 * 16 * This program is distributed in the hope that it will be useful, 17 * but WITHOUT ANY WARRANTY; without even the implied warranty of 18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 19 * GNU General Public License for more details. 20 * 21 * You should have received a copy of the GNU General Public License 22 * along with this program; if not, write to the Free Software 23 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 24 */ 25#include <linux/init.h> 26#include <linux/interrupt.h> 27#include <linux/ioport.h> 28#include <linux/io.h> 29#include <linux/pci.h> 30#include <asm/reboot.h> 31#include <pnx833x.h> 32#include <gpio.h> 33 34extern void pnx833x_board_setup(void); 35extern void pnx833x_machine_restart(char *); 36extern void pnx833x_machine_halt(void); 37extern void pnx833x_machine_power_off(void); 38 39int __init plat_mem_setup(void) 40{ 41 /* fake pci bus to avoid bounce buffers */ 42 PCI_DMA_BUS_IS_PHYS = 1; 43 44 /* set mips clock to 320MHz */ 45#if defined(CONFIG_SOC_PNX8335) 46 PNX8335_WRITEFIELD(0x17, CLOCK_PLL_CPU_CTL, FREQ); 47#endif 48 pnx833x_gpio_init(); /* so it will be ready in board_setup() */ 49 50 pnx833x_board_setup(); 51 52 _machine_restart = pnx833x_machine_restart; 53 _machine_halt = pnx833x_machine_halt; 54 pm_power_off = pnx833x_machine_power_off; 55 56 /* IO/MEM resources. */ 57 set_io_port_base(KSEG1); 58 ioport_resource.start = 0; 59 ioport_resource.end = ~0; 60 iomem_resource.start = 0; 61 iomem_resource.end = ~0; 62 63 return 0; 64} 65