Adding upstream version 2.10.0+dfsg.upstream/2.10.0+dfsgupstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 219 insertions, 0 deletions

diff --git a/plat/hisilicon/poplar/bl2_plat_setup.c b/plat/hisilicon/poplar/bl2_plat_setup.c
new file mode 100644
index 0000000..ee46772
--- /dev/null
+++ b/plat/hisilicon/poplar/bl2_plat_setup.c
@@ -0,0 +1,219 @@
+/*
+ * Copyright (c) 2017-2021, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <errno.h>
+#include <string.h>
+
+#include <arch_helpers.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <common/desc_image_load.h>
+#include <drivers/arm/pl011.h>
+#include <drivers/generic_delay_timer.h>
+#include <drivers/partition/partition.h>
+#include <drivers/synopsys/dw_mmc.h>
+#include <drivers/mmc.h>
+#include <lib/mmio.h>
+#include <lib/optee_utils.h>
+#include <plat/common/platform.h>
+
+#include "hi3798cv200.h"
+#include "plat_private.h"
+
+static meminfo_t bl2_tzram_layout __aligned(CACHE_WRITEBACK_GRANULE);
+static console_t console;
+#if !POPLAR_RECOVERY
+static struct mmc_device_info mmc_info;
+#endif
+
+/*******************************************************************************
+ * Transfer SCP_BL2 from Trusted RAM using the SCP Download protocol.
+ * Return 0 on success, -1 otherwise.
+ ******************************************************************************/
+int plat_poplar_bl2_handle_scp_bl2(image_info_t *scp_bl2_image_info)
+{
+	/*
+	 * This platform has no SCP_BL2 yet
+	 */
+	return 0;
+}
+
+/*******************************************************************************
+ * Gets SPSR for BL32 entry
+ ******************************************************************************/
+uint32_t poplar_get_spsr_for_bl32_entry(void)
+{
+	/*
+	 * The Secure Payload Dispatcher service is responsible for
+	 * setting the SPSR prior to entry into the BL3-2 image.
+	 */
+	return 0;
+}
+
+/*******************************************************************************
+ * Gets SPSR for BL33 entry
+ ******************************************************************************/
+#ifdef __aarch64__
+uint32_t poplar_get_spsr_for_bl33_entry(void)
+{
+	unsigned long el_status;
+	unsigned int mode;
+	uint32_t spsr;
+
+	/* Figure out what mode we enter the non-secure world in */
+	el_status = read_id_aa64pfr0_el1() >> ID_AA64PFR0_EL2_SHIFT;
+	el_status &= ID_AA64PFR0_ELX_MASK;
+
+	mode = (el_status) ? MODE_EL2 : MODE_EL1;
+
+	/*
+	 * TODO: Consider the possibility of specifying the SPSR in
+	 * the FIP ToC and allowing the platform to have a say as
+	 * well.
+	 */
+	spsr = SPSR_64(mode, MODE_SP_ELX, DISABLE_ALL_EXCEPTIONS);
+	return spsr;
+}
+#else
+uint32_t poplar_get_spsr_for_bl33_entry(void)
+{
+	unsigned int hyp_status, mode, spsr;
+
+	hyp_status = GET_VIRT_EXT(read_id_pfr1());
+
+	mode = (hyp_status) ? MODE32_hyp : MODE32_svc;
+
+	/*
+	 * TODO: Consider the possibility of specifying the SPSR in
+	 * the FIP ToC and allowing the platform to have a say as
+	 * well.
+	 */
+	spsr = SPSR_MODE32(mode, plat_get_ns_image_entrypoint() & 0x1,
+			SPSR_E_LITTLE, DISABLE_ALL_EXCEPTIONS);
+	return spsr;
+}
+#endif /* __aarch64__ */
+
+int poplar_bl2_handle_post_image_load(unsigned int image_id)
+{
+	int err = 0;
+	bl_mem_params_node_t *bl_mem_params = get_bl_mem_params_node(image_id);
+#ifdef SPD_opteed
+	bl_mem_params_node_t *pager_mem_params = NULL;
+	bl_mem_params_node_t *paged_mem_params = NULL;
+#endif
+
+	assert(bl_mem_params);
+
+	switch (image_id) {
+#ifdef __aarch64__
+	case BL32_IMAGE_ID:
+#ifdef SPD_opteed
+		pager_mem_params = get_bl_mem_params_node(BL32_EXTRA1_IMAGE_ID);
+		assert(pager_mem_params);
+
+		paged_mem_params = get_bl_mem_params_node(BL32_EXTRA2_IMAGE_ID);
+		assert(paged_mem_params);
+
+		err = parse_optee_header(&bl_mem_params->ep_info,
+				&pager_mem_params->image_info,
+				&paged_mem_params->image_info);
+		if (err != 0) {
+			WARN("OPTEE header parse error.\n");
+		}
+
+		/*
+		 * OP-TEE expect to receive DTB address in x2.
+		 * This will be copied into x2 by dispatcher.
+		 * Set this (arg3) if necessary
+		 */
+		/* bl_mem_params->ep_info.args.arg3 = PLAT_HIKEY_DT_BASE; */
+#endif
+		bl_mem_params->ep_info.spsr = poplar_get_spsr_for_bl32_entry();
+		break;
+#endif
+
+	case BL33_IMAGE_ID:
+		/* BL33 expects to receive the primary CPU MPID (through r0) */
+		bl_mem_params->ep_info.args.arg0 = 0xffff & read_mpidr();
+		bl_mem_params->ep_info.spsr = poplar_get_spsr_for_bl33_entry();
+		break;
+
+#ifdef SCP_BL2_BASE
+	case SCP_BL2_IMAGE_ID:
+		/* The subsequent handling of SCP_BL2 is platform specific */
+		err = plat_poplar_bl2_handle_scp_bl2(&bl_mem_params->image_info);
+		if (err) {
+			WARN("Failure in platform-specific handling of SCP_BL2 image.\n");
+		}
+		break;
+#endif
+	default:
+		/* Do nothing in default case */
+		break;
+	}
+
+	return err;
+}
+
+/*******************************************************************************
+ * This function can be used by the platforms to update/use image
+ * information for given `image_id`.
+ ******************************************************************************/
+int bl2_plat_handle_post_image_load(unsigned int image_id)
+{
+	return poplar_bl2_handle_post_image_load(image_id);
+}
+
+void bl2_early_platform_setup2(u_register_t arg0, u_register_t arg1,
+			       u_register_t arg2, u_register_t arg3)
+{
+	struct meminfo *mem_layout = (struct meminfo *)arg1;
+#if !POPLAR_RECOVERY
+	dw_mmc_params_t params = EMMC_INIT_PARAMS(POPLAR_EMMC_DESC_BASE);
+#endif
+
+	console_pl011_register(PL011_UART0_BASE, PL011_UART0_CLK_IN_HZ,
+			       PL011_BAUDRATE, &console);
+
+	/* Enable arch timer */
+	generic_delay_timer_init();
+
+	bl2_tzram_layout = *mem_layout;
+
+#if !POPLAR_RECOVERY
+	/* SoC-specific emmc register are initialized/configured by bootrom */
+	INFO("BL2: initializing emmc\n");
+	mmc_info.mmc_dev_type = MMC_IS_EMMC;
+	dw_mmc_init(&params, &mmc_info);
+#endif
+
+	plat_io_setup();
+}
+
+void bl2_plat_arch_setup(void)
+{
+	plat_configure_mmu_el1(bl2_tzram_layout.total_base,
+			       bl2_tzram_layout.total_size,
+			       BL_CODE_BASE,
+			       BL_CODE_END,
+			       BL_COHERENT_RAM_BASE,
+			       BL_COHERENT_RAM_END);
+}
+
+void bl2_platform_setup(void)
+{
+}
+
+uintptr_t plat_get_ns_image_entrypoint(void)
+{
+#ifdef PRELOADED_BL33_BASE
+	return PRELOADED_BL33_BASE;
+#else
+	return PLAT_POPLAR_NS_IMAGE_OFFSET;
+#endif
+}