summaryrefslogtreecommitdiff
path: root/src/arch
diff options
context:
space:
mode:
authorStefan Reinauer <reinauer@chromium.org>2012-11-15 15:15:15 -0800
committerRonald G. Minnich <rminnich@gmail.com>2012-11-16 05:07:28 +0100
commita47bd91ccaf14626cab51a74b998d93f3d8af18c (patch)
treedf00189f77d9c48dcb6ed918093c11a7a69b4f29 /src/arch
parent56cd70bba2906cb99b84d593d90f7653b0ce1e0b (diff)
Fix PIRQ routing abstraction
intel_irq_routing_table is a local structure that should not be used globally, because it might not be there on all mainboards. Instead, the API has to be corrected to allow passing a PIRQ table in where needed. Change-Id: Icf08928b67727a366639b648bf6aac8e1a87e765 Signed-off-by: Stefan Reinauer <reinauer@google.com> Reviewed-on: http://review.coreboot.org/1862 Tested-by: build bot (Jenkins) Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
Diffstat (limited to 'src/arch')
-rw-r--r--src/arch/x86/boot/pirq_routing.c17
-rw-r--r--src/arch/x86/include/arch/pirq_routing.h4
2 files changed, 9 insertions, 12 deletions
diff --git a/src/arch/x86/boot/pirq_routing.c b/src/arch/x86/boot/pirq_routing.c
index 357500c07e..55deac100a 100644
--- a/src/arch/x86/boot/pirq_routing.c
+++ b/src/arch/x86/boot/pirq_routing.c
@@ -76,15 +76,15 @@ static void check_pirq_routing_table(struct irq_routing_table *rt)
printk(BIOS_INFO, "done.\n");
}
-static int verify_copy_pirq_routing_table(unsigned long addr)
+static int verify_copy_pirq_routing_table(unsigned long addr, const struct irq_routing_table *routing_table)
{
int i;
uint8_t *rt_orig, *rt_curr;
rt_curr = (uint8_t*)addr;
- rt_orig = (uint8_t*)&intel_irq_routing_table;
+ rt_orig = (uint8_t*)routing_table;
printk(BIOS_INFO, "Verifying copy of Interrupt Routing Table at 0x%08lx... ", addr);
- for (i = 0; i < intel_irq_routing_table.size; i++) {
+ for (i = 0; i < routing_table->size; i++) {
if (*(rt_curr + i) != *(rt_orig + i)) {
printk(BIOS_INFO, "failed\n");
return -1;
@@ -98,21 +98,20 @@ static int verify_copy_pirq_routing_table(unsigned long addr)
}
#endif
-unsigned long copy_pirq_routing_table(unsigned long addr)
+unsigned long copy_pirq_routing_table(unsigned long addr, const struct irq_routing_table *routing_table)
{
/* Align the table to be 16 byte aligned. */
- addr += 15;
- addr &= ~15;
+ addr = ALIGN(addr, 16);
/* This table must be betweeen 0xf0000 & 0x100000 */
printk(BIOS_INFO, "Copying Interrupt Routing Table to 0x%08lx... ", addr);
- memcpy((void *)addr, &intel_irq_routing_table, intel_irq_routing_table.size);
+ memcpy((void *)addr, routing_table, routing_table->size);
printk(BIOS_INFO, "done.\n");
#if CONFIG_DEBUG_PIRQ
- verify_copy_pirq_routing_table(addr);
+ verify_copy_pirq_routing_table(addr, routing_table);
#endif
pirq_route_irqs(addr);
- return addr + intel_irq_routing_table.size;
+ return addr + routing_table->size;
}
#if CONFIG_PIRQ_ROUTE
diff --git a/src/arch/x86/include/arch/pirq_routing.h b/src/arch/x86/include/arch/pirq_routing.h
index c5be5f49ae..94884732ba 100644
--- a/src/arch/x86/include/arch/pirq_routing.h
+++ b/src/arch/x86/include/arch/pirq_routing.h
@@ -63,9 +63,7 @@ struct irq_routing_table {
struct irq_info slots[CONFIG_IRQ_SLOT_COUNT];
} __attribute__((packed));
-extern const struct irq_routing_table intel_irq_routing_table;
-
-unsigned long copy_pirq_routing_table(unsigned long start);
+unsigned long copy_pirq_routing_table(unsigned long addr, const struct irq_routing_table *routing_table);
unsigned long write_pirq_routing_table(unsigned long start);
#if CONFIG_PIRQ_ROUTE