/* * * Module name: redwood6.c * * Description: * IBM redwood6 eval board file * * Author: Armin Kuster * Copyright 2002 MontaVista Software Inc. * * 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. * * History: July 10, 2002 - Armin * initial release * * : July 16, 2002 - Armin * added xilinx init code for ide interface * added IRQ table * */ #include #include #include #include #include #include #include /* * Define all of the IRQ senses and polarities. */ static u_char redwood6_IRQ_initsenses[] __initdata = { (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 0: RTC/FPC */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 1: Transport */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 2: Audio Dec */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 3: Video Dec */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 4: DMA Chan 0 */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 5: DMA Chan 1 */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 6: DMA Chan 2 */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 7: DMA Chan 3 */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 8: SmartCard 0 */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 9: IIC0 */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 10: IRR */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 11: Cap Timers */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 12: Cmp Timers */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 13: Serial Port */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 14: Soft Modem */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 15: Down Ctrs */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 16: SmartCard 1 */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* 17: Ext Int 7 */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* 18: Ext Int 8 */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* 19: Ext Int 9 */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 20: Serial 0 */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 21: Serial 1 */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 22: Serial 2 */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 23: XPT_DMA */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_POSITIVE), /* 24: DCR timeout */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* 25: Ext Int 0 */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* 26: Ext Int 1 */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* 27: Ext Int 2 */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* 28: Ext Int 3 */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* 29: Ext Int 4 */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* 30: Ext Int 5 */ (IRQ_SENSE_LEVEL | IRQ_POLARITY_NEGATIVE), /* 31: Ext Int 6 */ }; void __init board_setup_arch(void) { #ifdef CONFIG_IDE void *xilinx, *xilinx_1, *xilinx_2; unsigned short us_reg5; xilinx = (unsigned long) ioremap(IDE_XLINUX_MUX_BASE, 0x10); /* init xilinx control registers - enable ide mux, clear reset bit */ if (!xilinx) { printk(KERN_CRIT "redwood6_setup_arch() xilinxi ioremap failed\n"); return; } xilinx_1 = xilinx + 0xa; xilinx_2 = xilinx + 0xe; us_reg5 = readb(xilinx_1); writeb(0x01d1, xilinx_1); writeb(0x0008, xilinx_2); udelay(10 * 1000); writeb(0x01d1, xilinx_1); writeb(0x0008, xilinx_2); #endif #ifdef DEBUG_BRINGUP bd_t *bip = (bd_t *) __res; printk("\n"); printk("machine\t: %s\n", PPC4xx_MACHINE_NAME); printk("\n"); printk("bi_s_version\t %s\n", bip->bi_s_version); printk("bi_r_version\t %s\n", bip->bi_r_version); printk("bi_memsize\t 0x%8.8x\t %dMBytes\n", bip->bi_memsize, bip->bi_memsize / (1024 * 1000)); printk("bi_enetaddr %d\t %2.2x%2.2x%2.2x-%2.2x%2.2x%2.2x\n", 0, bip->bi_enetaddr[0], bip->bi_enetaddr[1], bip->bi_enetaddr[2], bip->bi_enetaddr[3], bip->bi_enetaddr[4], bip->bi_enetaddr[5]); printk("bi_intfreq\t 0x%8.8x\t clock:\t %dMhz\n", bip->bi_intfreq, bip->bi_intfreq / 1000000); printk("bi_busfreq\t 0x%8.8x\t plb bus clock:\t %dMHz\n", bip->bi_busfreq, bip->bi_busfreq / 1000000); printk("bi_tbfreq\t 0x%8.8x\t TB freq:\t %dMHz\n", bip->bi_tbfreq, bip->bi_tbfreq / 1000000); printk("\n"); #endif ibm4xxPIC_InitSenses = redwood6_IRQ_initsenses; ibm4xxPIC_NumInitSenses = sizeof(redwood6_IRQ_initsenses); /* Identify the system */ printk(KERN_INFO "IBM Redwood6 (STBx25XX) Platform\n"); printk(KERN_INFO "Port by MontaVista Software, Inc. (source@mvista.com)\n"); } void __init board_io_mapping(void) { int i; for (i = 0; i < 16; i++) { unsigned long v, p; /* 0x400x0000 -> 0xe00x0000 */ p = 0x40000000 | (i << 16); v = STBx25xx_IO_BASE | (i << 16); io_block_mapping(v, p, PAGE_SIZE, _PAGE_NO_CACHE | pgprot_val(PAGE_KERNEL) | _PAGE_GUARDED); } } void __init board_setup_irq(void) { } void __init board_init(void) { }