uniphier: support Socionext UniPhier platform
Initial commit for Socionext UniPhier SoC support. BL1, Bl2, and
BL31 are supported. Refer to docs/plat/socionext-uniphier.md for
more detais.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
diff --git a/plat/socionext/uniphier/uniphier_cci.c b/plat/socionext/uniphier/uniphier_cci.c
new file mode 100644
index 0000000..30f4b47
--- /dev/null
+++ b/plat/socionext/uniphier/uniphier_cci.c
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <cci.h>
+#include <stddef.h>
+#include <utils_def.h>
+
+#include "uniphier.h"
+
+#define UNIPHIER_CCI500_BASE 0x5FD00000
+
+static const int uniphier_cci_map[] = {0, 1};
+
+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();
+}