X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=arch%2Farm%2Fcpu%2Farmv7%2Fvirt-v7.c;h=b69fd37c189c51f338ad7f1cbf766404952fc36d;hb=b050898efa6b4f0272f12885a7365f044ab4c08e;hp=650003084e81411f8e0f31b0ddd5f7ee14ce2615;hpb=f510aeae689925a660bff14683eef4147785d271;p=u-boot

diff --git a/arch/arm/cpu/armv7/virt-v7.c b/arch/arm/cpu/armv7/virt-v7.c
index 650003084e..b69fd37c18 100644
--- a/arch/arm/cpu/armv7/virt-v7.c
+++ b/arch/arm/cpu/armv7/virt-v7.c
@@ -15,8 +15,6 @@
 #include <asm/io.h>
 #include <asm/secure.h>
 
-unsigned long gic_dist_addr;
-
 static unsigned int read_id_pfr1(void)
 {
 	unsigned int reg;
@@ -30,25 +28,8 @@ static unsigned long get_gicd_base_address(void)
 #ifdef CONFIG_ARM_GIC_BASE_ADDRESS
 	return CONFIG_ARM_GIC_BASE_ADDRESS + GIC_DIST_OFFSET;
 #else
-	unsigned midr;
 	unsigned periphbase;
 
-	/* check whether we are an Cortex-A15 or A7.
-	 * The actual HYP switch should work with all CPUs supporting
-	 * the virtualization extension, but we need the GIC address,
-	 * which we know only for sure for those two CPUs.
-	 */
-	asm("mrc p15, 0, %0, c0, c0, 0\n" : "=r"(midr));
-	switch (midr & MIDR_PRIMARY_PART_MASK) {
-	case MIDR_CORTEX_A9_R0P1:
-	case MIDR_CORTEX_A15_R0P0:
-	case MIDR_CORTEX_A7_R0P0:
-		break;
-	default:
-		printf("nonsec: could not determine GIC address.\n");
-		return -1;
-	}
-
 	/* get the GIC base address from the CBAR register */
 	asm("mrc p15, 4, %0, c15, c0, 0\n" : "=r" (periphbase));
 
@@ -85,6 +66,12 @@ static void kick_secondary_cpus_gic(unsigned long gicdaddr)
 
 void __weak smp_kick_all_cpus(void)
 {
+	unsigned long gic_dist_addr;
+
+	gic_dist_addr = get_gicd_base_address();
+	if (gic_dist_addr == -1)
+		return;
+
 	kick_secondary_cpus_gic(gic_dist_addr);
 }
 
@@ -92,6 +79,7 @@ int armv7_init_nonsec(void)
 {
 	unsigned int reg;
 	unsigned itlinesnr, i;
+	unsigned long gic_dist_addr;
 
 	/* check whether the CPU supports the security extensions */
 	reg = read_id_pfr1();