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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 | ||
39 | int __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 | } |