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

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

2 files changed, 304 insertions, 0 deletions

diff --git a/plat/hisilicon/hikey960/aarch64/hikey960_common.c b/plat/hisilicon/hikey960/aarch64/hikey960_common.c
new file mode 100644
index 0000000..c70286f
--- /dev/null
+++ b/plat/hisilicon/hikey960/aarch64/hikey960_common.c
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 2017-2022, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <assert.h>
+
+#include <platform_def.h>
+
+#include <arch_helpers.h>
+#include <common/bl_common.h>
+#include <common/debug.h>
+#include <lib/mmio.h>
+#include <lib/xlat_tables/xlat_tables_v2.h>
+#include <plat/common/platform.h>
+
+#include "../hikey960_def.h"
+#include "../hikey960_private.h"
+
+#define MAP_DDR		MAP_REGION_FLAT(DDR_BASE,			\
+					DDR_SIZE - DDR_SEC_SIZE,	\
+					MT_MEMORY | MT_RW | MT_NS)
+
+#define MAP_DEVICE	MAP_REGION_FLAT(DEVICE_BASE,			\
+					DEVICE_SIZE,			\
+					MT_DEVICE | MT_RW | MT_SECURE)
+
+#define MAP_BL1_RW	MAP_REGION_FLAT(BL1_RW_BASE,			\
+					BL1_RW_LIMIT - BL1_RW_BASE,	\
+					MT_MEMORY | MT_RW | MT_NS)
+
+#define MAP_UFS_DATA	MAP_REGION_FLAT(HIKEY960_UFS_DATA_BASE,		\
+					HIKEY960_UFS_DATA_SIZE,		\
+					MT_MEMORY | MT_RW | MT_NS)
+
+#define MAP_UFS_DESC	MAP_REGION_FLAT(HIKEY960_UFS_DESC_BASE,		\
+					HIKEY960_UFS_DESC_SIZE,		\
+					MT_MEMORY | MT_RW | MT_NS)
+
+#define MAP_TSP_MEM	MAP_REGION_FLAT(TSP_SEC_MEM_BASE,		\
+					TSP_SEC_MEM_SIZE,		\
+					MT_MEMORY | 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
+ * hikey960_init_mmu_elx() will give the available subset of that,
+ */
+#ifdef IMAGE_BL1
+static const mmap_region_t hikey960_mmap[] = {
+	MAP_UFS_DATA,
+	MAP_BL1_RW,
+	MAP_UFS_DESC,
+	MAP_DEVICE,
+	{0}
+};
+#endif
+
+#ifdef IMAGE_BL2
+static const mmap_region_t hikey960_mmap[] = {
+	MAP_DDR,
+	MAP_DEVICE,
+	MAP_TSP_MEM,
+	{0}
+};
+#endif
+
+#ifdef IMAGE_BL31
+static const mmap_region_t hikey960_mmap[] = {
+	MAP_DEVICE,
+	{0}
+};
+#endif
+
+#ifdef IMAGE_BL32
+static const mmap_region_t hikey960_mmap[] = {
+	MAP_DEVICE,
+	MAP_DDR,
+	{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 HIKEY960_CONFIGURE_MMU_EL(_el)					\
+	void hikey960_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(hikey960_mmap);					\
+	       init_xlat_tables();					\
+									\
+	       enable_mmu_el##_el(0);					\
+	}
+
+/* Define EL1 and EL3 variants of the function initialising the MMU */
+HIKEY960_CONFIGURE_MMU_EL(1)
+HIKEY960_CONFIGURE_MMU_EL(3)
+
+unsigned long plat_get_ns_image_entrypoint(void)
+{
+	return NS_BL1U_BASE;
+}
+
+unsigned int plat_get_syscnt_freq2(void)
+{
+	return 1920000;
+}
diff --git a/plat/hisilicon/hikey960/aarch64/hikey960_helpers.S b/plat/hisilicon/hikey960/aarch64/hikey960_helpers.S
new file mode 100644
index 0000000..5381369
--- /dev/null
+++ b/plat/hisilicon/hikey960/aarch64/hikey960_helpers.S
@@ -0,0 +1,181 @@
+/*
+ * Copyright (c) 2017-2020, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <cortex_a53.h>
+#include <cortex_a73.h>
+#include "../hikey960_def.h"
+
+	.globl	plat_my_core_pos
+	.globl	platform_mem_init
+	.globl	plat_crash_console_init
+	.globl	plat_crash_console_putc
+	.globl	plat_crash_console_flush
+	.globl	plat_report_exception
+	.globl	plat_reset_handler
+	.globl	clr_ex
+	.globl	nop
+
+func plat_my_core_pos
+	mrs	x0, mpidr_el1
+	and	x1, x0, #MPIDR_CPU_MASK
+	and	x0, x0, #MPIDR_CLUSTER_MASK
+	add	x0, x1, x0, LSR #6
+	ret
+endfunc plat_my_core_pos
+
+	/* -----------------------------------------------------
+	 * void platform_mem_init(void);
+	 *
+	 * We don't need to carry out any memory initialization
+	 * on HIKEY. The Secure RAM is accessible straight away.
+	 * -----------------------------------------------------
+	 */
+func platform_mem_init
+	ret
+endfunc platform_mem_init
+
+	/* ---------------------------------------------
+	 * int plat_crash_console_init(void)
+	 * Function to initialize the crash console
+	 * without a C Runtime to print crash report.
+	 * Clobber list : x0, x1, x2
+	 * ---------------------------------------------
+	 */
+func plat_crash_console_init
+	mov_imm	x0, CRASH_CONSOLE_BASE
+	mov_imm	x1, PL011_UART_CLK_IN_HZ
+	mov_imm	x2, PL011_BAUDRATE
+	b	console_pl011_core_init
+endfunc plat_crash_console_init
+
+	/* ---------------------------------------------
+	 * int plat_crash_console_putc(int c)
+	 * Function to print a character on the crash
+	 * console without a C Runtime.
+	 * Clobber list : x1, x2
+	 * ---------------------------------------------
+	 */
+func plat_crash_console_putc
+	mov_imm	x1, CRASH_CONSOLE_BASE
+	b	console_pl011_core_putc
+endfunc plat_crash_console_putc
+
+	/* ---------------------------------------------
+	 * void plat_crash_console_flush()
+	 * Function to force a write of all buffered
+	 * data that hasn't been output.
+	 * Out : void.
+	 * Clobber list : x0, x1
+	 * ---------------------------------------------
+	 */
+func plat_crash_console_flush
+	mov_imm	x0, CRASH_CONSOLE_BASE
+	b	console_pl011_core_flush
+endfunc plat_crash_console_flush
+
+	/* ---------------------------------------------
+	 * void plat_report_exception(unsigned int type)
+	 * Function to report an unhandled exception
+	 * with platform-specific means.
+	 * On HIKEY platform, it updates the LEDs
+	 * to indicate where we are
+	 * ---------------------------------------------
+	 */
+func plat_report_exception
+	mov	x8, x30
+
+	/* Turn on LED according to x0 (0 -- f) */
+	ldr	x2, =0xf7020000
+	and	x1, x0, #1
+	str	w1, [x2, #4]
+	and	x1, x0, #2
+	str	w1, [x2, #8]
+	and	x1, x0, #4
+	str	w1, [x2, #16]
+	and	x1, x0, #8
+	str	w1, [x2, #32]
+
+	mrs	x2, currentel
+	and	x2, x2, #0x0c
+	/* Check EL1 */
+	cmp	x2, #0x04
+	beq	plat_report_el1
+
+	adr	x4, plat_err_str
+	bl	asm_print_str
+
+	adr	x4, esr_el3_str
+	bl	asm_print_str
+
+	mrs	x4, esr_el3
+	bl	asm_print_hex
+
+	adr	x4, elr_el3_str
+	bl	asm_print_str
+
+	mrs	x4, elr_el3
+	bl	asm_print_hex
+	b	plat_report_end
+
+plat_report_el1:
+	adr	x4, plat_err_str
+	bl	asm_print_str
+
+	adr	x4, esr_el1_str
+	bl	asm_print_str
+
+	mrs	x4, esr_el1
+	bl	asm_print_hex
+
+	adr	x4, elr_el1_str
+	bl	asm_print_str
+
+	mrs	x4, elr_el1
+	bl	asm_print_hex
+plat_report_end:
+	mov	x30, x8
+	ret
+endfunc plat_report_exception
+
+	/* -----------------------------------------------------
+	 * void plat_reset_handler(void);
+	 * -----------------------------------------------------
+	 */
+func plat_reset_handler
+	ret
+endfunc plat_reset_handler
+
+	/* -----------------------------------------------------
+	 * void clrex(void);
+	 * -----------------------------------------------------
+	 */
+func clr_ex
+	clrex
+	ret
+endfunc clr_ex
+
+	/* -----------------------------------------------------
+	 * void nop(void);
+	 * -----------------------------------------------------
+	 */
+func nop
+	nop
+	ret
+endfunc nop
+
+.section .rodata.rev_err_str, "aS"
+plat_err_str:
+	.asciz "\nPlatform exception reporting:"
+esr_el3_str:
+	.asciz "\nESR_EL3: "
+elr_el3_str:
+	.asciz "\nELR_EL3: "
+esr_el1_str:
+	.asciz "\nESR_EL1: "
+elr_el1_str:
+	.asciz "\nELR_EL1: "