arch: arc: replace ARC_EARLY_SOC_INIT with PLATFORM_RESET_HOOK

Use generic hook infrastrucutre instead of custom Kconfig and hooks for
ARC.

Replace soc_early_asm_init_percpu() with platform_reset()

Signed-off-by: Anas Nashif <[email protected]>

Author: nashif

arch/arc/Kconfig

@@ -374,7 +374,9 @@ config ARC_EXCEPTION_STACK_SIZE
 endmenu
 
 config ARC_EARLY_SOC_INIT
-	bool "Make early stage SoC-specific initialization"
+	bool "Make early stage SoC-specific initialization [DEPRECATED]"
+	select SOC_RESET_HOOK
+	select DEPRECATED
 	help
 	  Call SoC per-core setup code on early stage initialization
 	  (before C runtime initialization). Setup code is called in form of

arch/arc/core/reset.S

@@ -16,8 +16,9 @@
 #include <zephyr/arch/cpu.h>
 #include <swap_macros.h>
 #include <zephyr/arch/arc/asm-compat/assembler.h>
-#ifdef CONFIG_ARC_EARLY_SOC_INIT
-  #include <soc_ctrl.h>
+
+#if defined(CONFIG_SOC_RESET_HOOK)
+GTEXT(soc_reset_hook)
 #endif
 
 GDATA(z_interrupt_stacks)
@@ -112,8 +113,8 @@ done_icache_invalidate:
 
 done_dcache_invalidate:
 
-#ifdef CONFIG_ARC_EARLY_SOC_INIT
-	soc_early_asm_init_percpu
+#ifdef CONFIG_SOC_RESET_HOOK
+	bl soc_reset_hook
 #endif
 
 	_dsp_extension_probe

soc/snps/hsdk4xd/CMakeLists.txt

@@ -16,5 +16,6 @@ else()
 endif()
 
 zephyr_include_directories(.)
+zephyr_library_sources_ifdef(CONFIG_SOC_RESET_HOOK soc_ctrl.S)
 
 set(SOC_LINKER_SCRIPT ${CMAKE_CURRENT_SOURCE_DIR}/linker.ld CACHE INTERNAL "")

soc/snps/hsdk4xd/Kconfig.defconfig

@@ -44,7 +44,7 @@ config UART_NS16550_ACCESS_WORD_ONLY
 config ARC_HAS_ACCL_REGS
 	default y
 
-config ARC_EARLY_SOC_INIT
+config SOC_RESET_HOOK
 	default y
 
 config ARC_HAS_STACK_CHECKING

soc/snps/hsdk4xd/soc_ctrl.S

@@ -0,0 +1,14 @@
+/*
+ * Copyright (c) 2023 Synopsys, Inc. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+#include <zephyr/toolchain.h>
+#include <zephyr/linker/sections.h>
+#include <zephyr/arch/cpu.h>
+
+GTEXT(soc_reset_hook)
+SECTION_FUNC(TEXT, soc_reset_hook)
+	mov  r0, 1	/* disable LPB for HS4XD */
+	sr   r0, [_ARC_V2_LPB_CTRL]