93 lines
2.8 KiB
C
93 lines
2.8 KiB
C
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/*
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*
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* BRIEF MODULE DESCRIPTION
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* Alchemy Pb1550 board setup.
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*
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* Copyright 2000, 2008 MontaVista Software Inc.
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* Author: MontaVista Software, Inc. <source@mvista.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
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* NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include <linux/init.h>
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#include <linux/interrupt.h>
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#include <asm/mach-au1x00/au1000.h>
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#include <asm/mach-pb1x00/pb1550.h>
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#include <prom.h>
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char irq_tab_alchemy[][5] __initdata = {
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[12] = { -1, INTB, INTC, INTD, INTA }, /* IDSEL 12 - PCI slot 2 (left) */
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[13] = { -1, INTA, INTB, INTC, INTD }, /* IDSEL 13 - PCI slot 1 (right) */
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};
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struct au1xxx_irqmap __initdata au1xxx_irq_map[] = {
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{ AU1000_GPIO_0, IRQF_TRIGGER_LOW, 0 },
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{ AU1000_GPIO_1, IRQF_TRIGGER_LOW, 0 },
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};
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const char *get_system_type(void)
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{
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return "Alchemy Pb1550";
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}
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void board_reset(void)
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{
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/* Hit BCSR.SYSTEM[RESET] */
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au_writew(au_readw(0xAF00001C) & ~BCSR_SYSTEM_RESET, 0xAF00001C);
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}
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void __init board_init_irq(void)
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{
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au1xxx_setup_irqmap(au1xxx_irq_map, ARRAY_SIZE(au1xxx_irq_map));
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}
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void __init board_setup(void)
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{
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u32 pin_func;
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#ifdef CONFIG_SERIAL_8250_CONSOLE
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char *argptr;
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argptr = prom_getcmdline();
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argptr = strstr(argptr, "console=");
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if (argptr == NULL) {
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argptr = prom_getcmdline();
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strcat(argptr, " console=ttyS0,115200");
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}
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#endif
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/*
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* Enable PSC1 SYNC for AC'97. Normaly done in audio driver,
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* but it is board specific code, so put it here.
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*/
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pin_func = au_readl(SYS_PINFUNC);
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au_sync();
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pin_func |= SYS_PF_MUST_BE_SET | SYS_PF_PSC1_S1;
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au_writel(pin_func, SYS_PINFUNC);
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au_writel(0, (u32)bcsr | 0x10); /* turn off PCMCIA power */
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au_sync();
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printk(KERN_INFO "AMD Alchemy Pb1550 Board\n");
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}
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