3 files changed, 69 insertions, 30 deletions

diff --git a/arch/powerpc/platforms/85xx/Kconfig b/arch/powerpc/platforms/85xx/Kconfig
index f442120e0033..0c1e6903597e 100644
--- a/arch/powerpc/platforms/85xx/Kconfig
+++ b/arch/powerpc/platforms/85xx/Kconfig
@@ -274,7 +274,7 @@ config CORENET_GENERIC
 	  For 32bit kernel, the following boards are supported:
 	    P2041 RDB, P3041 DS, P4080 DS, kmcoge4, and OCA4080
 	  For 64bit kernel, the following boards are supported:
-	    T4240 QDS and B4 QDS
+	    T208x QDS/RDB, T4240 QDS/RDB and B4 QDS
 	  The following boards are supported for both 32bit and 64bit kernel:
 	    P5020 DS, P5040 DS and T104xQDS
 
diff --git a/arch/powerpc/platforms/85xx/corenet_generic.c b/arch/powerpc/platforms/85xx/corenet_generic.c
index 5db1e117fdde..d22dd85e50bf 100644
--- a/arch/powerpc/platforms/85xx/corenet_generic.c
+++ b/arch/powerpc/platforms/85xx/corenet_generic.c
@@ -119,7 +119,11 @@ static const char * const boards[] __initconst = {
 	"fsl,P4080DS",
 	"fsl,P5020DS",
 	"fsl,P5040DS",
+	"fsl,T2080QDS",
+	"fsl,T2080RDB",
+	"fsl,T2081QDS",
 	"fsl,T4240QDS",
+	"fsl,T4240RDB",
 	"fsl,B4860QDS",
 	"fsl,B4420QDS",
 	"fsl,B4220QDS",
@@ -129,28 +133,14 @@ static const char * const boards[] __initconst = {
 	NULL
 };
 
-static const char * const hv_boards[] __initconst = {
-	"fsl,P2041RDB-hv",
-	"fsl,P3041DS-hv",
-	"fsl,OCA4080-hv",
-	"fsl,P4080DS-hv",
-	"fsl,P5020DS-hv",
-	"fsl,P5040DS-hv",
-	"fsl,T4240QDS-hv",
-	"fsl,B4860QDS-hv",
-	"fsl,B4420QDS-hv",
-	"fsl,B4220QDS-hv",
-	"fsl,T1040QDS-hv",
-	"fsl,T1042QDS-hv",
-	NULL
-};
-
 /*
  * Called very early, device-tree isn't unflattened
  */
 static int __init corenet_generic_probe(void)
 {
 	unsigned long root = of_get_flat_dt_root();
+	char hv_compat[24];
+	int i;
 #ifdef CONFIG_SMP
 	extern struct smp_ops_t smp_85xx_ops;
 #endif
@@ -159,21 +149,26 @@ static int __init corenet_generic_probe(void)
 		return 1;
 
 	/* Check if we're running under the Freescale hypervisor */
-	if (of_flat_dt_match(root, hv_boards)) {
-		ppc_md.init_IRQ = ehv_pic_init;
-		ppc_md.get_irq = ehv_pic_get_irq;
-		ppc_md.restart = fsl_hv_restart;
-		ppc_md.power_off = fsl_hv_halt;
-		ppc_md.halt = fsl_hv_halt;
+	for (i = 0; boards[i]; i++) {
+		snprintf(hv_compat, sizeof(hv_compat), "%s-hv", boards[i]);
+		if (of_flat_dt_is_compatible(root, hv_compat)) {
+			ppc_md.init_IRQ = ehv_pic_init;
+
+			ppc_md.get_irq = ehv_pic_get_irq;
+			ppc_md.restart = fsl_hv_restart;
+			ppc_md.power_off = fsl_hv_halt;
+			ppc_md.halt = fsl_hv_halt;
 #ifdef CONFIG_SMP
-		/*
-		 * Disable the timebase sync operations because we can't write
-		 * to the timebase registers under the hypervisor.
-		  */
-		smp_85xx_ops.give_timebase = NULL;
-		smp_85xx_ops.take_timebase = NULL;
+			/*
+			 * Disable the timebase sync operations because we
+			 * can't write to the timebase registers under the
+			 * hypervisor.
+			 */
+			smp_85xx_ops.give_timebase = NULL;
+			smp_85xx_ops.take_timebase = NULL;
 #endif
-		return 1;
+			return 1;
+		}
 	}
 
 	return 0;
diff --git a/arch/powerpc/platforms/85xx/smp.c b/arch/powerpc/platforms/85xx/smp.c
index ba093f553678..d7c1e69f3070 100644
--- a/arch/powerpc/platforms/85xx/smp.c
+++ b/arch/powerpc/platforms/85xx/smp.c
@@ -28,6 +28,7 @@
 #include <asm/dbell.h>
 #include <asm/fsl_guts.h>
 #include <asm/code-patching.h>
+#include <asm/cputhreads.h>
 
 #include <sysdev/fsl_soc.h>
 #include <sysdev/mpic.h>
@@ -168,6 +169,24 @@ static inline u32 read_spin_table_addr_l(void *spin_table)
 	return in_be32(&((struct epapr_spin_table *)spin_table)->addr_l);
 }
 
+#ifdef CONFIG_PPC64
+static void wake_hw_thread(void *info)
+{
+	void fsl_secondary_thread_init(void);
+	unsigned long imsr1, inia1;
+	int nr = *(const int *)info;
+
+	imsr1 = MSR_KERNEL;
+	inia1 = *(unsigned long *)fsl_secondary_thread_init;
+
+	mttmr(TMRN_IMSR1, imsr1);
+	mttmr(TMRN_INIA1, inia1);
+	mtspr(SPRN_TENS, TEN_THREAD(1));
+
+	smp_generic_kick_cpu(nr);
+}
+#endif
+
 static int smp_85xx_kick_cpu(int nr)
 {
 	unsigned long flags;
@@ -183,6 +202,31 @@ static int smp_85xx_kick_cpu(int nr)
 
 	pr_debug("smp_85xx_kick_cpu: kick CPU #%d\n", nr);
 
+#ifdef CONFIG_PPC64
+	/* Threads don't use the spin table */
+	if (cpu_thread_in_core(nr) != 0) {
+		int primary = cpu_first_thread_sibling(nr);
+
+		if (WARN_ON_ONCE(!cpu_has_feature(CPU_FTR_SMT)))
+			return -ENOENT;
+
+		if (cpu_thread_in_core(nr) != 1) {
+			pr_err("%s: cpu %d: invalid hw thread %d\n",
+			       __func__, nr, cpu_thread_in_core(nr));
+			return -ENOENT;
+		}
+
+		if (!cpu_online(primary)) {
+			pr_err("%s: cpu %d: primary %d not online\n",
+			       __func__, nr, primary);
+			return -ENOENT;
+		}
+
+		smp_call_function_single(primary, wake_hw_thread, &nr, 0);
+		return 0;
+	}
+#endif
+
 	np = of_get_cpu_node(nr, NULL);
 	cpu_rel_addr = of_get_property(np, "cpu-release-addr", NULL);