[linux-yocto] [PATCH 6/8] arch/arm/mach-axxia: Enable Secondary Cores when in Hyp Mode

[Charlie Paul]

From: John Jacques <john.jacques at lsi.com>

The Axxia boot loader leaves secondary cores in reset; Linux is expected
to enable them.  This change makes that happen.

Signed-off-by: John Jacques <john.jacques at lsi.com>
---
 arch/arm/mach-axxia/platsmp.c |   23 ++++++++---------------
 1 file changed, 8 insertions(+), 15 deletions(-)

diff --git a/arch/arm/mach-axxia/platsmp.c b/arch/arm/mach-axxia/platsmp.c
index a067de2..54fdcbf 100644
--- a/arch/arm/mach-axxia/platsmp.c
+++ b/arch/arm/mach-axxia/platsmp.c
@@ -40,7 +40,6 @@ __axxia_arch_wfe(void)
 
 	return;
 }
-
 EXPORT_SYMBOL(__axxia_arch_wfe);
 
 /*
@@ -217,21 +216,15 @@ static void __init axxia_smp_prepare_cpus(unsigned int max_cpus)
 			continue;
 
 		/*
-		 * Release all physical cpus when not in hyp mode since we
-		 * might want to bring them online later.
-		 *
-		 * Also we need to get the execution into kernel code (it's
-		 * currently executing in u-boot).  u-boot releases the cores
-		 * from reset in hyp mode.
+		 * Release all physical cpus since we might want to
+		 * bring them online later.
 		 */
-		if (!is_hyp_mode_available()) {
-			if (cpu != 0) {
-				u32 phys_cpu = cpu_logical_map(cpu);
-				u32 tmp = readl(syscon + 0x1010);
-				writel(0xab, syscon + 0x1000);
-				tmp &= ~(1 << phys_cpu);
-				writel(tmp, syscon + 0x1010);
-			}
+		if (cpu != 0) {
+			u32 phys_cpu = cpu_logical_map(cpu);
+			u32 tmp = readl(syscon + 0x1010);
+			writel(0xab, syscon + 0x1000);
+			tmp &= ~(1 << phys_cpu);
+			writel(tmp, syscon + 0x1010);
 		}
 
 		if (cpu_count < max_cpus) {
-- 
1.7.9.5