Adding upstream version 4.19.249.upstream/4.19.249upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 60 insertions, 0 deletions

diff --git a/arch/arc/plat-eznps/include/plat/mtm.h b/arch/arc/plat-eznps/include/plat/mtm.h
new file mode 100644
index 000000000..29b91b553
--- /dev/null
+++ b/arch/arc/plat-eznps/include/plat/mtm.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright(c) 2015 EZchip Technologies.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
+ * more details.
+ *
+ * The full GNU General Public License is included in this distribution in
+ * the file called "COPYING".
+ */
+
+#ifndef _PLAT_EZNPS_MTM_H
+#define _PLAT_EZNPS_MTM_H
+
+#include <plat/ctop.h>
+
+static inline void *nps_mtm_reg_addr(u32 cpu, u32 reg)
+{
+	struct global_id gid;
+	u32 core, blkid;
+
+	gid.value = cpu;
+	core = gid.core;
+	blkid = (((core & 0x0C) << 2) | (core & 0x03));
+
+	return nps_host_reg(cpu, blkid, reg);
+}
+
+#ifdef CONFIG_EZNPS_MTM_EXT
+#define NPS_CPU_TO_THREAD_NUM(cpu) \
+	({ struct global_id gid; gid.value = cpu; gid.thread; })
+
+/* MTM registers */
+#define MTM_CFG(cpu)			nps_mtm_reg_addr(cpu, 0x81)
+#define MTM_THR_INIT(cpu)		nps_mtm_reg_addr(cpu, 0x92)
+#define MTM_THR_INIT_STS(cpu)		nps_mtm_reg_addr(cpu, 0x93)
+
+#define get_thread(map) map.thread
+#define eznps_max_cpus 4096
+#define eznps_cpus_per_cluster	256
+
+void mtm_enable_core(unsigned int cpu);
+int mtm_enable_thread(int cpu);
+#else /* !CONFIG_EZNPS_MTM_EXT */
+
+#define get_thread(map) 0
+#define eznps_max_cpus 256
+#define eznps_cpus_per_cluster	16
+#define mtm_enable_core(cpu)
+#define mtm_enable_thread(cpu) 1
+#define NPS_CPU_TO_THREAD_NUM(cpu) 0
+
+#endif /* CONFIG_EZNPS_MTM_EXT */
+
+#endif /* _PLAT_EZNPS_MTM_H */