aboutsummaryrefslogtreecommitdiff
path: root/plat/rockchip/common/aarch64/platform_common.c
diff options
context:
space:
mode:
Diffstat (limited to 'plat/rockchip/common/aarch64/platform_common.c')
-rw-r--r--plat/rockchip/common/aarch64/platform_common.c85
1 files changed, 85 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..25eab434
--- /dev/null
+++ b/plat/rockchip/common/aarch64/platform_common.c
@@ -0,0 +1,85 @@
+/*
+ * Copyright (c) 2013-2016, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <arm_gic.h>
+#include <bl_common.h>
+#include <cci.h>
+#include <debug.h>
+#include <plat_private.h>
+#include <platform_def.h>
+#include <string.h>
+#include <utils.h>
+#include <xlat_tables.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); \
+ rockchip_plat_mmu_el##_el(); \
+ init_xlat_tables(); \
+ \
+ enable_mmu_el ## _el(0); \
+ }
+
+/* Define EL3 variants of the function initialising the MMU */
+DEFINE_CONFIGURE_MMU_EL(3)
+
+unsigned int plat_get_syscnt_freq2(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
+}