xref: /openbmc/linux/arch/mips/txx9/generic/setup.c (revision 89d63fe1)
1 /*
2  * linux/arch/mips/txx9/generic/setup.c
3  *
4  * Based on linux/arch/mips/txx9/rbtx4938/setup.c,
5  *	    and RBTX49xx patch from CELF patch archive.
6  *
7  * 2003-2005 (c) MontaVista Software, Inc.
8  * (C) Copyright TOSHIBA CORPORATION 2000-2001, 2004-2007
9  *
10  * This file is subject to the terms and conditions of the GNU General Public
11  * License.  See the file "COPYING" in the main directory of this archive
12  * for more details.
13  */
14 #include <linux/init.h>
15 #include <linux/kernel.h>
16 #include <linux/types.h>
17 #include <asm/txx9/generic.h>
18 
19 /* EBUSC settings of TX4927, etc. */
20 struct resource txx9_ce_res[8];
21 static char txx9_ce_res_name[8][4];	/* "CEn" */
22 
23 /* pcode, internal register */
24 char txx9_pcode_str[8];
25 static struct resource txx9_reg_res = {
26 	.name = txx9_pcode_str,
27 	.flags = IORESOURCE_MEM,
28 };
29 void __init
30 txx9_reg_res_init(unsigned int pcode, unsigned long base, unsigned long size)
31 {
32 	int i;
33 
34 	for (i = 0; i < ARRAY_SIZE(txx9_ce_res); i++) {
35 		sprintf(txx9_ce_res_name[i], "CE%d", i);
36 		txx9_ce_res[i].flags = IORESOURCE_MEM;
37 		txx9_ce_res[i].name = txx9_ce_res_name[i];
38 	}
39 
40 	sprintf(txx9_pcode_str, "TX%x", pcode);
41 	if (base) {
42 		txx9_reg_res.start = base & 0xfffffffffULL;
43 		txx9_reg_res.end = (base & 0xfffffffffULL) + (size - 1);
44 		request_resource(&iomem_resource, &txx9_reg_res);
45 	}
46 }
47 
48 /* clocks */
49 unsigned int txx9_master_clock;
50 unsigned int txx9_cpu_clock;
51 unsigned int txx9_gbus_clock;
52