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-rw-r--r--plat/rockchip/common/bl31_plat_setup.c102
1 files changed, 102 insertions, 0 deletions
diff --git a/plat/rockchip/common/bl31_plat_setup.c b/plat/rockchip/common/bl31_plat_setup.c
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+++ b/plat/rockchip/common/bl31_plat_setup.c
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+/*
+ * Copyright (c) 2016-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+
+#include <platform_def.h>
+
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <common/desc_image_load.h>
+#include <drivers/console.h>
+#include <drivers/generic_delay_timer.h>
+#include <drivers/ti/uart/uart_16550.h>
+#include <lib/mmio.h>
+#include <plat_private.h>
+#include <plat/common/platform.h>
+
+static entry_point_info_t bl32_ep_info;
+static entry_point_info_t bl33_ep_info;
+
+/*******************************************************************************
+ * Return a pointer to the 'entry_point_info' structure of the next image for
+ * the security state specified. BL33 corresponds to the non-secure image type
+ * while BL32 corresponds to the secure image type. A NULL pointer is returned
+ * if the image does not exist.
+ ******************************************************************************/
+entry_point_info_t *bl31_plat_get_next_image_ep_info(uint32_t type)
+{
+ entry_point_info_t *next_image_info;
+
+ next_image_info = (type == NON_SECURE) ? &bl33_ep_info : &bl32_ep_info;
+ assert(next_image_info->h.type == PARAM_EP);
+
+ /* None of the images on this platform can have 0x0 as the entrypoint */
+ if (next_image_info->pc)
+ return next_image_info;
+ else
+ return NULL;
+}
+
+#pragma weak params_early_setup
+void params_early_setup(u_register_t plat_param_from_bl2)
+{
+}
+
+/*******************************************************************************
+ * Perform any BL3-1 early platform setup. Here is an opportunity to copy
+ * parameters passed by the calling EL (S-EL1 in BL2 & EL3 in BL1) before they
+ * are lost (potentially). This needs to be done before the MMU is initialized
+ * so that the memory layout can be used while creating page tables.
+ * BL2 has flushed this information to memory, so we are guaranteed to pick up
+ * good data.
+ ******************************************************************************/
+void bl31_early_platform_setup2(u_register_t arg0, u_register_t arg1,
+ u_register_t arg2, u_register_t arg3)
+{
+ static console_t console;
+
+ params_early_setup(arg1);
+
+ if (rockchip_get_uart_base() != 0)
+ console_16550_register(rockchip_get_uart_base(),
+ rockchip_get_uart_clock(),
+ rockchip_get_uart_baudrate(), &console);
+
+ VERBOSE("bl31_setup\n");
+
+ bl31_params_parse_helper(arg0, &bl32_ep_info, &bl33_ep_info);
+}
+
+/*******************************************************************************
+ * Perform any BL3-1 platform setup code
+ ******************************************************************************/
+void bl31_platform_setup(void)
+{
+ generic_delay_timer_init();
+ plat_rockchip_soc_init();
+
+ /* Initialize the gic cpu and distributor interfaces */
+ plat_rockchip_gic_driver_init();
+ plat_rockchip_gic_init();
+ plat_rockchip_pmu_init();
+}
+
+/*******************************************************************************
+ * Perform the very early platform specific architectural setup here. At the
+ * moment this is only intializes the mmu in a quick and dirty way.
+ ******************************************************************************/
+void bl31_plat_arch_setup(void)
+{
+ plat_cci_init();
+ plat_cci_enable();
+ plat_configure_mmu_el3(BL_CODE_BASE,
+ BL_COHERENT_RAM_END - BL_CODE_BASE,
+ BL_CODE_BASE,
+ BL_CODE_END,
+ BL_COHERENT_RAM_BASE,
+ BL_COHERENT_RAM_END);
+}