diff options
Diffstat (limited to 'arch/mips/alchemy/pb1550/board_setup.c')
-rw-r--r-- | arch/mips/alchemy/pb1550/board_setup.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/arch/mips/alchemy/pb1550/board_setup.c b/arch/mips/alchemy/pb1550/board_setup.c new file mode 100644 index 0000000..0ed76b6 --- /dev/null +++ b/arch/mips/alchemy/pb1550/board_setup.c @@ -0,0 +1,58 @@ +/* + * + * BRIEF MODULE DESCRIPTION + * Alchemy Pb1550 board setup. + * + * Copyright 2000, 2008 MontaVista Software Inc. + * Author: MontaVista Software, Inc. <source@mvista.com> + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the + * Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED + * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN + * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF + * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * You should have received a copy of the GNU General Public License along + * with this program; if not, write to the Free Software Foundation, Inc., + * 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/init.h> + +#include <asm/mach-au1x00/au1000.h> +#include <asm/mach-pb1x00/pb1550.h> + +void board_reset(void) +{ + /* Hit BCSR.SYSTEM[RESET] */ + au_writew(au_readw(0xAF00001C) & ~BCSR_SYSTEM_RESET, 0xAF00001C); +} + +void __init board_setup(void) +{ + u32 pin_func; + + /* + * Enable PSC1 SYNC for AC'97. Normaly done in audio driver, + * but it is board specific code, so put it here. + */ + pin_func = au_readl(SYS_PINFUNC); + au_sync(); + pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1; + au_writel(pin_func, SYS_PINFUNC); + + au_writel(0, (u32)bcsr | 0x10); /* turn off PCMCIA power */ + au_sync(); + + printk(KERN_INFO "AMD Alchemy Pb1550 Board\n"); +} |