hikey: support BL1
Initialize regulators, pins and eMMC in BL1. Only SRAM could be used in BL1.
So BL2 will be loaded from eMMC into SRAM later.
Change-Id: I8e7ef82ffa29a3c647c9d2d2981e8759ee85d833
Signed-off-by: Haojian Zhuang <haojian.zhuang@linaro.org>
Signed-off-by: Dan Handley <dan.handley@arm.com>
diff --git a/plat/hisilicon/hikey/aarch64/hikey_common.c b/plat/hisilicon/hikey/aarch64/hikey_common.c
new file mode 100644
index 0000000..d8a68cf
--- /dev/null
+++ b/plat/hisilicon/hikey/aarch64/hikey_common.c
@@ -0,0 +1,113 @@
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch_helpers.h>
+#include <arm_gic.h>
+#include <assert.h>
+#include <bl_common.h>
+#include <debug.h>
+#include <mmio.h>
+#include <platform.h>
+#include <platform_def.h>
+#include <xlat_tables.h>
+
+#include "../hikey_def.h"
+
+#define MAP_DDR MAP_REGION_FLAT(DDR_BASE, \
+ DDR_SIZE, \
+ MT_DEVICE | MT_RW | MT_NS)
+
+#define MAP_DEVICE MAP_REGION_FLAT(DEVICE_BASE, \
+ DEVICE_SIZE, \
+ MT_DEVICE | MT_RW | MT_SECURE)
+
+#define MAP_ROM_PARAM MAP_REGION_FLAT(XG2RAM0_BASE, \
+ BL1_XG2RAM0_OFFSET, \
+ MT_DEVICE | MT_RO | MT_SECURE)
+
+#define MAP_SRAM MAP_REGION_FLAT(SRAM_BASE, \
+ SRAM_SIZE, \
+ MT_DEVICE | MT_RW | MT_SECURE)
+
+/*
+ * BL1 needs to access the areas of MMC_SRAM.
+ * BL1 loads BL2 from eMMC into SRAM before DDR initialized.
+ */
+#define MAP_MMC_SRAM MAP_REGION_FLAT(HIKEY_BL1_MMC_DESC_BASE, \
+ HIKEY_BL1_MMC_DESC_SIZE + \
+ HIKEY_BL1_MMC_DATA_SIZE, \
+ MT_DEVICE | MT_RW | MT_SECURE)
+
+/*
+ * Table of regions for different BL stages to map using the MMU.
+ * This doesn't include Trusted RAM as the 'mem_layout' argument passed to
+ * hikey_init_mmu_elx() will give the available subset of that,
+ */
+#if IMAGE_BL1
+static const mmap_region_t hikey_mmap[] = {
+ MAP_DEVICE,
+ MAP_ROM_PARAM,
+ MAP_MMC_SRAM,
+ {0}
+};
+#endif
+
+#if IMAGE_BL2
+static const mmap_region_t hikey_mmap[] = {
+ MAP_DDR,
+ MAP_DEVICE,
+ {0}
+};
+#endif
+
+#if IMAGE_BL31
+static const mmap_region_t hikey_mmap[] = {
+ MAP_DEVICE,
+ MAP_SRAM,
+ {0}
+};
+#endif
+
+/*
+ * Macro generating the code for the function setting up the pagetables as per
+ * the platform memory map & initialize the mmu, for the given exception level
+ */
+#define HIKEY_CONFIGURE_MMU_EL(_el) \
+ void hikey_init_mmu_el##_el(unsigned long total_base, \
+ unsigned long total_size, \
+ unsigned long ro_start, \
+ unsigned long ro_limit, \
+ unsigned long coh_start, \
+ unsigned long coh_limit) \
+ { \
+ mmap_add_region(total_base, total_base, \
+ total_size, \
+ MT_MEMORY | MT_RW | MT_SECURE); \
+ mmap_add_region(ro_start, ro_start, \
+ ro_limit - ro_start, \
+ MT_MEMORY | MT_RO | MT_SECURE); \
+ mmap_add_region(coh_start, coh_start, \
+ coh_limit - coh_start, \
+ MT_DEVICE | MT_RW | MT_SECURE); \
+ mmap_add(hikey_mmap); \
+ init_xlat_tables(); \
+ \
+ enable_mmu_el##_el(0); \
+ }
+
+/* Define EL1 and EL3 variants of the function initialising the MMU */
+HIKEY_CONFIGURE_MMU_EL(1)
+HIKEY_CONFIGURE_MMU_EL(3)
+
+unsigned long plat_get_ns_image_entrypoint(void)
+{
+ return HIKEY_NS_IMAGE_OFFSET;
+}
+
+unsigned int plat_get_syscnt_freq2(void)
+{
+ return 1200000;
+}