From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 11:13:47 +0200
Subject: Adding upstream version 2.8.0+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 plat/socionext/uniphier/uniphier_cci.c | 81 ++++++++++++++++++++++++++++++++++
 1 file changed, 81 insertions(+)
 create mode 100644 plat/socionext/uniphier/uniphier_cci.c

(limited to 'plat/socionext/uniphier/uniphier_cci.c')

diff --git a/plat/socionext/uniphier/uniphier_cci.c b/plat/socionext/uniphier/uniphier_cci.c
new file mode 100644
index 0000000..3ca1768
--- /dev/null
+++ b/plat/socionext/uniphier/uniphier_cci.c
@@ -0,0 +1,81 @@
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stddef.h>
+
+#include <arch_helpers.h>
+#include <drivers/arm/cci.h>
+#include <lib/utils_def.h>
+
+#include "uniphier.h"
+
+#define UNIPHIER_CCI500_BASE	0x5FD00000
+
+static const int uniphier_cci_map[] = {1, 0};
+
+static void __uniphier_cci_init(void)
+{
+	cci_init(UNIPHIER_CCI500_BASE, uniphier_cci_map,
+		 ARRAY_SIZE(uniphier_cci_map));
+}
+
+static void __uniphier_cci_enable(void)
+{
+	cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr_el1()));
+}
+
+static void __uniphier_cci_disable(void)
+{
+	cci_disable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr_el1()));
+}
+
+struct uniphier_cci_ops {
+	void (*init)(void);
+	void (*enable)(void);
+	void (*disable)(void);
+};
+
+static const struct uniphier_cci_ops uniphier_cci_ops_table[] = {
+	[UNIPHIER_SOC_LD11] = {
+		.init = NULL,
+		.enable = NULL,
+		.disable = NULL,
+	},
+	[UNIPHIER_SOC_LD20] = {
+		.init = __uniphier_cci_init,
+		.enable = __uniphier_cci_enable,
+		.disable = __uniphier_cci_disable,
+	},
+	[UNIPHIER_SOC_PXS3] = {
+		.init = NULL,
+		.enable = NULL,
+		.disable = NULL,
+	},
+};
+
+static struct uniphier_cci_ops uniphier_cci_ops;
+
+void uniphier_cci_init(unsigned int soc)
+{
+	uniphier_cci_ops = uniphier_cci_ops_table[soc];
+	flush_dcache_range((uint64_t)&uniphier_cci_ops,
+			   sizeof(uniphier_cci_ops));
+
+	if (uniphier_cci_ops.init)
+		uniphier_cci_ops.init();
+}
+
+void uniphier_cci_enable(void)
+{
+	if (uniphier_cci_ops.enable)
+		uniphier_cci_ops.enable();
+}
+
+void uniphier_cci_disable(void)
+{
+	if (uniphier_cci_ops.disable)
+		uniphier_cci_ops.disable();
+}
-- 
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