Merge pull request #581 from rockchip-linux/rockchip-atf-20160405

Support for Rockchip's family SoCs

1 files changed, 107 insertions, 0 deletions

diff --git a/plat/rockchip/common/aarch64/platform_common.c b/plat/rockchip/common/aarch64/platform_common.c
new file mode 100644
index 00000000..3f912a4f
--- /dev/null
+++ b/plat/rockchip/common/aarch64/platform_common.c
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * Redistributions of source code must retain the above copyright notice, this
+ * list of conditions and the following disclaimer.
+ *
+ * Redistributions in binary form must reproduce the above copyright notice,
+ * this list of conditions and the following disclaimer in the documentation
+ * and/or other materials provided with the distribution.
+ *
+ * Neither the name of ARM nor the names of its contributors may be used
+ * to endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <arch_helpers.h>
+#include <arm_gic.h>
+#include <bl_common.h>
+#include <cci.h>
+#include <debug.h>
+#include <string.h>
+#include <xlat_tables.h>
+#include <platform_def.h>
+#include <plat_private.h>
+
+#ifdef PLAT_RK_CCI_BASE
+static const int cci_map[] = {
+	PLAT_RK_CCI_CLUSTER0_SL_IFACE_IX,
+	PLAT_RK_CCI_CLUSTER1_SL_IFACE_IX
+};
+#endif
+
+/******************************************************************************
+ * Macro generating the code for the function setting up the pagetables as per
+ * the platform memory map & initialize the mmu, for the given exception level
+ ******************************************************************************/
+#define DEFINE_CONFIGURE_MMU_EL(_el)					\
+	void plat_configure_mmu_el ## _el(unsigned long total_base,	\
+					  unsigned long total_size,	\
+					  unsigned long ro_start,	\
+					  unsigned long ro_limit,	\
+					  unsigned long coh_start,	\
+					  unsigned long coh_limit)	\
+	{								\
+		mmap_add_region(total_base, total_base,			\
+				total_size,				\
+				MT_MEMORY | MT_RW | MT_SECURE);		\
+		mmap_add_region(ro_start, ro_start,			\
+				ro_limit - ro_start,			\
+				MT_MEMORY | MT_RO | MT_SECURE);		\
+		mmap_add_region(coh_start, coh_start,			\
+				coh_limit - coh_start,			\
+				MT_DEVICE | MT_RW | MT_SECURE);		\
+		mmap_add(plat_rk_mmap);					\
+		init_xlat_tables();					\
+									\
+		enable_mmu_el ## _el(0);				\
+	}
+
+/* Define EL3 variants of the function initialising the MMU */
+DEFINE_CONFIGURE_MMU_EL(3)
+
+uint64_t plat_get_syscnt_freq(void)
+{
+	return SYS_COUNTER_FREQ_IN_TICKS;
+}
+
+void plat_cci_init(void)
+{
+#ifdef PLAT_RK_CCI_BASE
+	/* Initialize CCI driver */
+	cci_init(PLAT_RK_CCI_BASE, cci_map, ARRAY_SIZE(cci_map));
+#endif
+}
+
+void plat_cci_enable(void)
+{
+	/*
+	 * Enable CCI coherency for this cluster.
+	 * No need for locks as no other cpu is active at the moment.
+	 */
+#ifdef PLAT_RK_CCI_BASE
+	cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr()));
+#endif
+}
+
+void plat_cci_disable(void)
+{
+#ifdef PLAT_RK_CCI_BASE
+	cci_disable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr()));
+#endif
+}