From 102b0d2daa97dae68d3eed54d8fe37a9cc38a892 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 11:13:47 +0200
Subject: Adding upstream version 2.8.0+dfsg.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 plat/amlogic/gxbb/gxbb_common.c | 117 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 117 insertions(+)
 create mode 100644 plat/amlogic/gxbb/gxbb_common.c

(limited to 'plat/amlogic/gxbb/gxbb_common.c')

diff --git a/plat/amlogic/gxbb/gxbb_common.c b/plat/amlogic/gxbb/gxbb_common.c
new file mode 100644
index 0000000..260a347
--- /dev/null
+++ b/plat/amlogic/gxbb/gxbb_common.c
@@ -0,0 +1,117 @@
+/*
+ * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+#include <bl31/interrupt_mgmt.h>
+#include <common/bl_common.h>
+#include <common/ep_info.h>
+#include <lib/mmio.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+#include <platform_def.h>
+#include <stdint.h>
+
+/*******************************************************************************
+ * Platform memory map regions
+ ******************************************************************************/
+#define MAP_NSDRAM0	MAP_REGION_FLAT(AML_NSDRAM0_BASE,		\
+					AML_NSDRAM0_SIZE,		\
+					MT_MEMORY | MT_RW | MT_NS)
+
+#define MAP_NSDRAM1	MAP_REGION_FLAT(AML_NSDRAM1_BASE,		\
+					AML_NSDRAM1_SIZE,		\
+					MT_MEMORY | MT_RW | MT_NS)
+
+#define MAP_SEC_DEVICE0	MAP_REGION_FLAT(AML_SEC_DEVICE0_BASE,		\
+					AML_SEC_DEVICE0_SIZE,		\
+					MT_DEVICE | MT_RW | MT_SECURE)
+
+#define MAP_SEC_DEVICE1	MAP_REGION_FLAT(AML_SEC_DEVICE1_BASE,		\
+					AML_SEC_DEVICE1_SIZE,		\
+					MT_DEVICE | MT_RW | MT_SECURE)
+
+#define MAP_TZRAM	MAP_REGION_FLAT(AML_TZRAM_BASE,			\
+					AML_TZRAM_SIZE,			\
+					MT_DEVICE | MT_RW | MT_SECURE)
+
+#define MAP_SEC_DEVICE2	MAP_REGION_FLAT(AML_SEC_DEVICE2_BASE,		\
+					AML_SEC_DEVICE2_SIZE,		\
+					MT_DEVICE | MT_RW | MT_SECURE)
+
+#define MAP_SEC_DEVICE3	MAP_REGION_FLAT(AML_SEC_DEVICE3_BASE,		\
+					AML_SEC_DEVICE3_SIZE,		\
+					MT_DEVICE | MT_RW | MT_SECURE)
+
+static const mmap_region_t gxbb_mmap[] = {
+	MAP_NSDRAM0,
+	MAP_NSDRAM1,
+	MAP_SEC_DEVICE0,
+	MAP_SEC_DEVICE1,
+	MAP_TZRAM,
+	MAP_SEC_DEVICE2,
+	MAP_SEC_DEVICE3,
+	{0}
+};
+
+/*******************************************************************************
+ * Per-image regions
+ ******************************************************************************/
+#define MAP_BL31	MAP_REGION_FLAT(BL31_BASE,			\
+				BL31_END - BL31_BASE,			\
+				MT_MEMORY | MT_RW | MT_SECURE)
+
+#define MAP_BL_CODE	MAP_REGION_FLAT(BL_CODE_BASE,			\
+				BL_CODE_END - BL_CODE_BASE,		\
+				MT_CODE | MT_SECURE)
+
+#define MAP_BL_RO_DATA	MAP_REGION_FLAT(BL_RO_DATA_BASE,		\
+				BL_RO_DATA_END - BL_RO_DATA_BASE,	\
+				MT_RO_DATA | MT_SECURE)
+
+#define MAP_BL_COHERENT	MAP_REGION_FLAT(BL_COHERENT_RAM_BASE,		\
+				BL_COHERENT_RAM_END - BL_COHERENT_RAM_BASE, \
+				MT_DEVICE | MT_RW | MT_SECURE)
+
+/*******************************************************************************
+ * Function that sets up the translation tables.
+ ******************************************************************************/
+void aml_setup_page_tables(void)
+{
+#if IMAGE_BL31
+	const mmap_region_t gxbb_bl_mmap[] = {
+		MAP_BL31,
+		MAP_BL_CODE,
+		MAP_BL_RO_DATA,
+#if USE_COHERENT_MEM
+		MAP_BL_COHERENT,
+#endif
+		{0}
+	};
+#endif
+
+	mmap_add(gxbb_bl_mmap);
+
+	mmap_add(gxbb_mmap);
+
+	init_xlat_tables();
+}
+
+/*******************************************************************************
+ * Function that returns the system counter frequency
+ ******************************************************************************/
+unsigned int plat_get_syscnt_freq2(void)
+{
+	uint32_t val;
+
+	val = mmio_read_32(AML_SYS_CPU_CFG7);
+	val &= 0xFDFFFFFF;
+	mmio_write_32(AML_SYS_CPU_CFG7, val);
+
+	val = mmio_read_32(AML_AO_TIMESTAMP_CNTL);
+	val &= 0xFFFFFE00;
+	mmio_write_32(AML_AO_TIMESTAMP_CNTL, val);
+
+	return AML_OSC24M_CLK_IN_HZ;
+}
-- 
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