mirror of
https://github.com/fail0verflow/switch-coreboot.git
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9eb8578b75
This includes using consistent (C) lines, adding email addresses, and so on. The file southbridge/nvidia/mcp55/dts was never edited by Yinghai Lu (thus removing his (C) line) and would be too trivial anyway... The changes (though trivial) were also informally acked by Ron on IRC. Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de> Acked-by: Uwe Hermann <uwe@hermann-uwe.de> git-svn-id: svn://coreboot.org/repository/coreboot-v3@744 f3766cd6-281f-0410-b1cd-43a5c92072e9
109 lines
3.1 KiB
C
109 lines
3.1 KiB
C
/*
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* This file is part of the coreboot project.
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*
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* Copyright (C) 2000 Ollie Lo, Silicon Integrated Systems
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* Copyright (C) 2000,2008 Ronald G. Minnich <rminnich@gmail.com>
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* Copyright (C) 2001 Eric Biederman
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* Copyright (C) 2002 Andrew Ip
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <types.h>
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#include <string.h>
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#include <lar.h>
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#include <console.h>
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#include <device/device.h>
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#include <tables.h>
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#include <pirq_routing.h>
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static void check_pirq_routing_table(struct irq_routing_table *rt)
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{
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u8 *addr = (u8 *)rt;
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u8 sum=0;
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int i;
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printk(BIOS_INFO, "Checking IRQ routing table consistency...\n");
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for (i = 0; i < rt->size; i++)
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sum += addr[i];
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printk(BIOS_DEBUG, "%s() - irq_routing_table located at: 0x%p\n",
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__FUNCTION__, addr);
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sum = rt->checksum - sum;
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if (sum != rt->checksum) {
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printk(BIOS_WARNING, "%s:%6d:%s() - "
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"checksum is: 0x%02x but should be: 0x%02x\n",
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__FILE__, __LINE__, __FUNCTION__, rt->checksum, sum);
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rt->checksum = sum;
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}
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if (rt->signature != PIRQ_SIGNATURE || rt->version != PIRQ_VERSION ||
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rt->size % 16 ) {
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printk(BIOS_WARNING, "%s:%6d:%s() - "
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"Interrupt Routing Table not valid\n",
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__FILE__, __LINE__, __FUNCTION__);
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return;
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}
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sum = 0;
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for (i=0; i<rt->size; i++)
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sum += addr[i];
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if (sum) {
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printk(BIOS_WARNING, "%s:%6d:%s() - "
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"checksum error in irq routing table\n",
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__FILE__, __LINE__, __FUNCTION__);
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}
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printk(BIOS_INFO, "done.\n");
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}
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static int verify_copy_pirq_routing_table(unsigned long addr)
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{
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int i;
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u8 *rt_orig, *rt_curr;
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rt_curr = (u8*)addr;
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rt_orig = (u8*)&intel_irq_routing_table;
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printk(BIOS_INFO, "Verifing copy of IRQ routing tables at 0x%lux...", addr);
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for (i = 0; i < intel_irq_routing_table.size; i++) {
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if (*(rt_curr + i) != *(rt_orig + i)) {
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printk(BIOS_INFO, "failed\n");
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return -1;
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}
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}
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printk(BIOS_INFO, "done\n");
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check_pirq_routing_table((struct irq_routing_table *)addr);
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return 0;
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}
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unsigned long copy_pirq_routing_table(unsigned long addr)
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{
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/* Align the table to be 16 byte aligned. */
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addr += 15;
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addr &= ~15;
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/* This table must be betweeen 0xf0000 & 0x100000 */
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printk(BIOS_INFO, "Copying IRQ routing tables to 0x%lux...", addr);
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memcpy((void *)addr, &intel_irq_routing_table, intel_irq_routing_table.size);
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printk(BIOS_INFO, "done.\n");
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verify_copy_pirq_routing_table(addr);
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return addr + intel_irq_routing_table.size;
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}
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