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
34 extern void pnx833x_board_setup(void);
35 extern void pnx833x_machine_restart(char *);
36 extern void pnx833x_machine_halt(void);
37 extern void pnx833x_machine_power_off(void);
38
plat_mem_setup(void)39 int __init plat_mem_setup(void)
40 {
41 /* set mips clock to 320MHz */
42 #if defined(CONFIG_SOC_PNX8335)
43 PNX8335_WRITEFIELD(0x17, CLOCK_PLL_CPU_CTL, FREQ);
44 #endif
45 pnx833x_gpio_init(); /* so it will be ready in board_setup() */
46
47 pnx833x_board_setup();
48
49 _machine_restart = pnx833x_machine_restart;
50 _machine_halt = pnx833x_machine_halt;
51 pm_power_off = pnx833x_machine_power_off;
52
53 /* IO/MEM resources. */
54 set_io_port_base(KSEG1);
55 ioport_resource.start = 0;
56 ioport_resource.end = ~0;
57 iomem_resource.start = 0;
58 iomem_resource.end = ~0;
59
60 return 0;
61 }
62