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-rw-r--r--arch/mips/nxp/pnx833x/common/setup.c64
1 files changed, 64 insertions, 0 deletions
diff --git a/arch/mips/nxp/pnx833x/common/setup.c b/arch/mips/nxp/pnx833x/common/setup.c
new file mode 100644
index 00000000000..e51fbc4b644
--- /dev/null
+++ b/arch/mips/nxp/pnx833x/common/setup.c
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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
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}