[ARM] 4190/2: Add the secondary GIC support for the RealView/EB

	MPCore platform

This patch adds the registration of the secondary GIC on the
baseboard, together with the IRQ chaining setup.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 19 insertions, 0 deletions

diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index b6a6f68cb699..00139143dcc1 100644
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -57,7 +57,21 @@ static struct map_desc realview_eb_io_desc[] __initdata = {
                 .pfn            = __phys_to_pfn(REALVIEW_GIC_DIST_BASE),
                 .length         = SZ_4K,
                 .type           = MT_DEVICE,
+        },
+#ifdef CONFIG_REALVIEW_MPCORE
+        {
+                .virtual        = IO_ADDRESS(REALVIEW_GIC1_CPU_BASE),
+                .pfn            = __phys_to_pfn(REALVIEW_GIC1_CPU_BASE),
+                .length         = SZ_4K,
+                .type           = MT_DEVICE,
         }, {
+                .virtual        = IO_ADDRESS(REALVIEW_GIC1_DIST_BASE),
+                .pfn            = __phys_to_pfn(REALVIEW_GIC1_DIST_BASE),
+                .length         = SZ_4K,
+                .type           = MT_DEVICE,
+        },
+#endif
+        {
                 .virtual        = IO_ADDRESS(REALVIEW_SCTL_BASE),
                 .pfn            = __phys_to_pfn(REALVIEW_SCTL_BASE),
                 .length         = SZ_4K,
@@ -145,6 +159,11 @@ static void __init gic_init_irq(void)
 #endif
         gic_dist_init(0, __io_address(REALVIEW_GIC_DIST_BASE), 29);
         gic_cpu_init(0, __io_address(REALVIEW_GIC_CPU_BASE));
+#ifdef CONFIG_REALVIEW_MPCORE
+        gic_dist_init(1, __io_address(REALVIEW_GIC1_DIST_BASE), 64);
+        gic_cpu_init(1, __io_address(REALVIEW_GIC1_CPU_BASE));
+        gic_cascade_irq(1, IRQ_EB_IRQ1);
+#endif
 }
 
 static void __init realview_eb_init(void)