x86: Move pirq_routing_table to global_data

To avoid using BSS in SPL before SDRAM is set up, move this field to
global_data.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

diff --git a/arch/x86/cpu/irq.c b/arch/x86/cpu/irq.c
index e3e928b..442d373 100644 (file)
--- a/arch/x86/cpu/irq.c
+++ b/arch/x86/cpu/irq.c
@@ -17,8 +17,6 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-static struct irq_routing_table *pirq_routing_table;
-
 bool pirq_check_irq_routed(struct udevice *dev, int link, u8 irq)
 {
        struct irq_router *priv = dev_get_priv(dev);
@@ -219,7 +217,7 @@ static int create_pirq_routing_table(struct udevice *dev)
        /* Fix up the table checksum */
        rt->checksum = table_compute_checksum(rt, rt->size);
 
-       pirq_routing_table = rt;
+       gd->arch.pirq_routing_table = rt;
 
        return 0;
 }
@@ -250,8 +248,8 @@ int irq_router_common_init(struct udevice *dev)
                return ret;
        }
        /* Route PIRQ */
-       pirq_route_irqs(dev, pirq_routing_table->slots,
-                       get_irq_slot_count(pirq_routing_table));
+       pirq_route_irqs(dev, gd->arch.pirq_routing_table->slots,
+                       get_irq_slot_count(gd->arch.pirq_routing_table));
 
        if (IS_ENABLED(CONFIG_GENERATE_ACPI_TABLE))
                irq_enable_sci(dev);
@@ -266,10 +264,10 @@ int irq_router_probe(struct udevice *dev)
 
 ulong write_pirq_routing_table(ulong addr)
 {
-       if (!pirq_routing_table)
+       if (!gd->arch.pirq_routing_table)
                return addr;
 
-       return copy_pirq_routing_table(addr, pirq_routing_table);
+       return copy_pirq_routing_table(addr, gd->arch.pirq_routing_table);
 }
 
 static const struct udevice_id irq_router_ids[] = {

diff --git a/arch/x86/include/asm/global_data.h b/arch/x86/include/asm/global_data.h
index 34e19ef..43a59a3 100644 (file)
--- a/arch/x86/include/asm/global_data.h
+++ b/arch/x86/include/asm/global_data.h
@@ -93,6 +93,7 @@ struct arch_global_data {
        char *mrc_output;
        unsigned int mrc_output_len;
        ulong table;                    /* Table pointer from previous loader */
+       struct irq_routing_table *pirq_routing_table;
 #ifdef CONFIG_SEABIOS
        u32 high_table_ptr;
        u32 high_table_limit;