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-rw-r--r--plat/amlogic/gxl/gxl_common.c143
1 files changed, 143 insertions, 0 deletions
diff --git a/plat/amlogic/gxl/gxl_common.c b/plat/amlogic/gxl/gxl_common.c
new file mode 100644
index 0000000000..468688538d
--- /dev/null
+++ b/plat/amlogic/gxl/gxl_common.c
@@ -0,0 +1,143 @@
+/*
+ * 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/debug.h>
+#include <common/ep_info.h>
+#include <lib/mmio.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+#include <meson_console.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 gxl_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 gxl_bl_mmap[] = {
+ MAP_BL31,
+ MAP_BL_CODE,
+ MAP_BL_RO_DATA,
+#if USE_COHERENT_MEM
+ MAP_BL_COHERENT,
+#endif
+ {0}
+ };
+#endif
+
+ mmap_add(gxl_bl_mmap);
+
+ mmap_add(gxl_mmap);
+
+ init_xlat_tables();
+}
+
+/*******************************************************************************
+ * Function that sets up the console
+ ******************************************************************************/
+static console_meson_t gxl_console;
+
+void aml_console_init(void)
+{
+ int rc = console_meson_register(AML_UART0_AO_BASE,
+ AML_UART0_AO_CLK_IN_HZ,
+ AML_UART_BAUDRATE,
+ &gxl_console);
+ if (rc == 0) {
+ /*
+ * The crash console doesn't use the multi console API, it uses
+ * the core console functions directly. It is safe to call panic
+ * and let it print debug information.
+ */
+ panic();
+ }
+
+ console_set_scope(&gxl_console.console,
+ CONSOLE_FLAG_BOOT | CONSOLE_FLAG_RUNTIME);
+}
+
+/*******************************************************************************
+ * 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;
+}