]> git.ipfire.org Git - people/ms/u-boot.git/blob - arch/powerpc/cpu/ppc4xx/usb.c
Merge branch 'master' of git://git.denx.de/u-boot-mpc83xx
[people/ms/u-boot.git] / arch / powerpc / cpu / ppc4xx / usb.c
1 /*
2 * (C) Copyright 2007
3 * Markus Klotzbuecher, DENX Software Engineering <mk@denx.de>
4 *
5 * See file CREDITS for list of people who contributed to this
6 * project.
7 *
8 * This program is free software; you can redistribute it and/or
9 * modify it under the terms of the GNU General Public License as
10 * published by the Free Software Foundation; either version 2 of
11 * the License, or (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
21 * MA 02111-1307 USA
22 */
23
24 #include <common.h>
25
26 #if defined(CONFIG_USB_OHCI_NEW) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT)
27
28 #ifdef CONFIG_4xx_DCACHE
29 #include <asm/mmu.h>
30 DECLARE_GLOBAL_DATA_PTR;
31 #endif
32
33 int usb_cpu_init(void)
34 {
35 #ifdef CONFIG_4xx_DCACHE
36 /* disable cache */
37 change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, TLB_WORD2_I_ENABLE);
38 #endif
39
40 return 0;
41 }
42
43 int usb_cpu_stop(void)
44 {
45 #ifdef CONFIG_4xx_DCACHE
46 /* enable cache */
47 change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, 0);
48 #endif
49 return 0;
50 }
51
52 int usb_cpu_init_fail(void)
53 {
54 #ifdef CONFIG_4xx_DCACHE
55 /* enable cache */
56 change_tlb(gd->bd->bi_memstart, gd->bd->bi_memsize, 0);
57 #endif
58 return 0;
59 }
60
61 #endif /* defined(CONFIG_USB_OHCI) && defined(CONFIG_SYS_USB_OHCI_CPU_INIT) */