1 files changed, 133 insertions, 0 deletions
diff --git a/plat/renesas/common/bl31_plat_setup.c b/plat/renesas/common/bl31_plat_setup.c
new file mode 100644
index 0000000..60960d4
--- /dev/null
+++ b/plat/renesas/common/bl31_plat_setup.c
@@ -0,0 +1,133 @@
+/*
+ * Copyright (c) 2013-2014, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2020, Renesas Electronics Corporation. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <stddef.h>
+
+#include <arch.h>
+#include <arch_helpers.h>
+#include <bl31/bl31.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <drivers/arm/cci.h>
+#include <drivers/console.h>
+#include <lib/mmio.h>
+#include <plat/common/platform.h>
+
+#include "pwrc.h"
+#include "rcar_def.h"
+#include "rcar_private.h"
+#include "rcar_version.h"
+
+static const uint64_t BL31_RO_BASE		= BL_CODE_BASE;
+static const uint64_t BL31_RO_LIMIT		= BL_CODE_END;
+
+#if USE_COHERENT_MEM
+static const uint64_t BL31_COHERENT_RAM_BASE	= BL_COHERENT_RAM_BASE;
+static const uint64_t BL31_COHERENT_RAM_LIMIT	= BL_COHERENT_RAM_END;
+#endif /* USE_COHERENT_MEM */
+
+extern void plat_rcar_gic_driver_init(void);
+extern void plat_rcar_gic_init(void);
+
+u_register_t rcar_boot_mpidr;
+
+static int cci_map[] = {
+	CCI500_CLUSTER0_SL_IFACE_IX_FOR_M3,
+	CCI500_CLUSTER1_SL_IFACE_IX_FOR_M3
+};
+
+void plat_cci_init(void)
+{
+	uint32_t prd;
+
+	prd = mmio_read_32(RCAR_PRR) & (PRR_PRODUCT_MASK | PRR_CUT_MASK);
+
+	if (PRR_PRODUCT_H3_CUT10 == prd || PRR_PRODUCT_H3_CUT11 == prd) {
+		cci_map[0U] = CCI500_CLUSTER0_SL_IFACE_IX;
+		cci_map[1U] = CCI500_CLUSTER1_SL_IFACE_IX;
+	}
+
+	cci_init(RCAR_CCI_BASE, cci_map, ARRAY_SIZE(cci_map));
+}
+
+void plat_cci_enable(void)
+{
+	cci_enable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr()));
+}
+
+void plat_cci_disable(void)
+{
+	cci_disable_snoop_dvm_reqs(MPIDR_AFFLVL1_VAL(read_mpidr()));
+}
+
+struct entry_point_info *bl31_plat_get_next_image_ep_info(uint32_t type)
+{
+	bl2_to_bl31_params_mem_t *from_bl2 = (bl2_to_bl31_params_mem_t *)
+					     PARAMS_BASE;
+	entry_point_info_t *next_image_info;
+
+	next_image_info = (type == NON_SECURE) ?
+		&from_bl2->bl33_ep_info : &from_bl2->bl32_ep_info;
+
+	return next_image_info->pc ? next_image_info : NULL;
+}
+
+void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
+				u_register_t arg2, u_register_t arg3)
+{
+	rcar_console_runtime_init();
+
+	NOTICE("BL3-1 : Rev.%s\n", version_of_renesas);
+
+#if RCAR_LSI != RCAR_D3
+	if (rcar_pwrc_get_cluster() == RCAR_CLUSTER_A53A57) {
+		plat_cci_init();
+		plat_cci_enable();
+	}
+#endif /* RCAR_LSI != RCAR_D3 */
+}
+
+void bl31_plat_arch_setup(void)
+{
+	rcar_configure_mmu_el3(BL31_BASE,
+			       BL31_LIMIT - BL31_BASE,
+			       BL31_RO_BASE, BL31_RO_LIMIT
+#if USE_COHERENT_MEM
+			       , BL31_COHERENT_RAM_BASE, BL31_COHERENT_RAM_LIMIT
+#endif /* USE_COHERENT_MEM */
+	    );
+	rcar_pwrc_code_copy_to_system_ram();
+}
+
+void bl31_platform_setup(void)
+{
+	plat_rcar_gic_driver_init();
+	plat_rcar_gic_init();
+
+	/* enable the system level generic timer */
+	mmio_write_32(RCAR_CNTC_BASE + CNTCR_OFF, CNTCR_FCREQ(U(0)) | CNTCR_EN);
+
+	rcar_pwrc_setup();
+#if 0
+	/*
+	 * TODO: there is a broad number of rcar-gen3 SoC configurations; to
+	 * support all of them, Renesas use the pwrc driver to discover what
+	 * cores are on/off before announcing the topology.
+	 * This code hasnt been ported yet
+	 */
+
+	rcar_setup_topology();
+#endif
+
+	/*
+	 * mask should match the kernel's MPIDR_HWID_BITMASK so the core can be
+	 * identified during cpuhotplug (check the kernel's psci migrate set of
+	 * functions
+	 */
+	rcar_boot_mpidr = read_mpidr_el1() & 0x0000ffffU;
+	rcar_pwrc_all_disable_interrupt_wakeup();
+}