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Diffstat (limited to 'arch/arm/mach-mvebu/platsmp.c')
-rw-r--r--arch/arm/mach-mvebu/platsmp.c25
1 files changed, 24 insertions, 1 deletions
diff --git a/arch/arm/mach-mvebu/platsmp.c b/arch/arm/mach-mvebu/platsmp.c
index f9c09b75d4d7..ff69c2df298b 100644
--- a/arch/arm/mach-mvebu/platsmp.c
+++ b/arch/arm/mach-mvebu/platsmp.c
@@ -21,6 +21,7 @@
#include <linux/smp.h>
#include <linux/clk.h>
#include <linux/of.h>
+#include <linux/of_address.h>
#include <linux/mbus.h>
#include <asm/cacheflush.h>
#include <asm/smp_plat.h>
@@ -29,6 +30,9 @@
#include "pmsu.h"
#include "coherency.h"
+#define AXP_BOOTROM_BASE 0xfff00000
+#define AXP_BOOTROM_SIZE 0x100000
+
static struct clk *__init get_cpu_clk(int cpu)
{
struct clk *cpu_clk;
@@ -92,10 +96,29 @@ static void __init armada_xp_smp_init_cpus(void)
void __init armada_xp_smp_prepare_cpus(unsigned int max_cpus)
{
+ struct device_node *node;
+ struct resource res;
+ int err;
+
set_secondary_cpus_clock();
flush_cache_all();
set_cpu_coherent(cpu_logical_map(smp_processor_id()), 0);
- mvebu_mbus_add_window("bootrom", 0xfff00000, SZ_1M);
+
+ /*
+ * In order to boot the secondary CPUs we need to ensure
+ * the bootROM is mapped at the correct address.
+ */
+ node = of_find_compatible_node(NULL, NULL, "marvell,bootrom");
+ if (!node)
+ panic("Cannot find 'marvell,bootrom' compatible node");
+
+ err = of_address_to_resource(node, 0, &res);
+ if (err < 0)
+ panic("Cannot get 'bootrom' node address");
+
+ if (res.start != AXP_BOOTROM_BASE ||
+ resource_size(&res) != AXP_BOOTROM_SIZE)
+ panic("The address for the BootROM is incorrect");
}
struct smp_operations armada_xp_smp_ops __initdata = {