plat/arm: sds: Move to drivers/ folder

Change-Id: Ia601d5ad65ab199e747fb60af4979b7db477d249
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
diff --git a/plat/arm/board/juno/juno_bl1_setup.c b/plat/arm/board/juno/juno_bl1_setup.c
index f72dba1..f72a6ff 100644
--- a/plat/arm/board/juno/juno_bl1_setup.c
+++ b/plat/arm/board/juno/juno_bl1_setup.c
@@ -9,13 +9,12 @@
 #include <common/bl_common.h>
 #include <common/debug.h>
 #include <common/tbbr/tbbr_img_def.h>
+#include <drivers/arm/css/sds.h>
 #include <drivers/arm/sp805.h>
 #include <plat/arm/common/plat_arm.h>
 #include <plat/common/platform.h>
 #include <platform_def.h>
 
-#include <sds.h>
-
 void juno_reset_to_aarch32_state(void);
 
 static int is_watchdog_reset(void)
diff --git a/plat/arm/board/juno/platform.mk b/plat/arm/board/juno/platform.mk
index a0281af..6575811 100644
--- a/plat/arm/board/juno/platform.mk
+++ b/plat/arm/board/juno/platform.mk
@@ -26,8 +26,7 @@
 # SCP during power management operations and for SCP RAM Firmware transfer.
 CSS_USE_SCMI_SDS_DRIVER		:=	1
 
-PLAT_INCLUDES		:=	-Iplat/arm/board/juno/include		\
-				-Iplat/arm/css/drivers/sds
+PLAT_INCLUDES		:=	-Iplat/arm/board/juno/include
 
 PLAT_BL_COMMON_SOURCES	:=	plat/arm/board/juno/${ARCH}/juno_helpers.S \
 				plat/arm/board/juno/juno_common.c
@@ -87,7 +86,7 @@
 				${JUNO_SECURITY_SOURCES}
 
 ifeq (${CSS_USE_SCMI_SDS_DRIVER},1)
-BL1_SOURCES		+=	plat/arm/css/drivers/sds/sds.c
+BL1_SOURCES		+=	drivers/arm/css/sds/sds.c
 endif
 
 endif
diff --git a/plat/arm/css/common/css_common.mk b/plat/arm/css/common/css_common.mk
index fba9cdc..2fbbe45 100644
--- a/plat/arm/css/common/css_common.mk
+++ b/plat/arm/css/common/css_common.mk
@@ -50,10 +50,10 @@
 
   ifeq (${CSS_USE_SCMI_SDS_DRIVER},1)
     BL2U_SOURCES	+=	drivers/arm/css/scp/css_sds.c			\
-				plat/arm/css/drivers/sds/sds.c
+				drivers/arm/css/sds/sds.c
 
     BL2_SOURCES		+=	drivers/arm/css/scp/css_sds.c			\
-				plat/arm/css/drivers/sds/sds.c
+				drivers/arm/css/sds/sds.c
   else
     BL2U_SOURCES	+=	drivers/arm/css/mhu/css_mhu.c			\
 				drivers/arm/css/scp/css_bom_bootloader.c	\
@@ -73,7 +73,7 @@
 endif
 
 ifeq (${CSS_USE_SCMI_SDS_DRIVER},1)
-  PLAT_BL_COMMON_SOURCES	+=	plat/arm/css/drivers/sds/${ARCH}/sds_helpers.S
+  PLAT_BL_COMMON_SOURCES	+=	drivers/arm/css/sds/${ARCH}/sds_helpers.S
 endif
 
 # Process CSS_USE_SCMI_SDS_DRIVER flag
diff --git a/plat/arm/css/drivers/sds/aarch32/sds_helpers.S b/plat/arm/css/drivers/sds/aarch32/sds_helpers.S
deleted file mode 100644
index f68cb35..0000000
--- a/plat/arm/css/drivers/sds/aarch32/sds_helpers.S
+++ /dev/null
@@ -1,63 +0,0 @@
-/*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include <arch.h>
-#include <asm_macros.S>
-#include <platform_def.h>
-#include "../sds.h"
-#include "../sds_private.h"
-
-	.globl	sds_get_primary_cpu_id
-
-	/*
-	 * int sds_get_primary_cpu_id(void);
-	 * Return the primary CPU ID from SDS Structure
-	 * Returns CPUID on success or -1 on failure
-	 */
-func sds_get_primary_cpu_id
-	ldr	r0, =PLAT_ARM_SDS_MEM_BASE
-	ldr	r2, =SDS_REGION_SIGNATURE
-	ldr	r1, [r0]
-	ubfx	r3, r1, #0, #16
-
-	/* Check if the SDS region signature found */
-	cmp	r2, r3
-	bne	2f
-
-	/* Get the structure count from region descriptor in r1 */
-	ubfx	r1, r1, #SDS_REGION_STRUCT_COUNT_SHIFT, #SDS_REGION_STRUCT_COUNT_WIDTH
-	cmp	r1, #0
-	beq	2f
-	add	r0, r0, #SDS_REGION_DESC_SIZE
-
-	/* Initialize the loop iterator count in r3 */
-	mov	r3, #0
-loop_begin:
-	ldrh	r2, [r0]
-	cmp	r2, #SDS_AP_CPU_INFO_STRUCT_ID
-	bne	continue_loop
-
-	/* We have found the required structure */
-	ldr	r0, [r0,#(SDS_HEADER_SIZE + SDS_AP_CPU_INFO_PRIMARY_CPUID_OFFSET)]
-	bx	lr
-continue_loop:
-	/* Increment the loop counter and exit loop if counter == structure count */
-	add	r3, r3, #0x1
-	cmp	r1, r3
-	beq	2f
-
-	/* Read the 2nd word in header */
-	ldr	r2, [r0,#4]
-	/* Get the structure size from header */
-	ubfx	r2, r2, #SDS_HEADER_STRUCT_SIZE_SHIFT, #SDS_HEADER_STRUCT_SIZE_WIDTH
-	/* Add the structure size and SDS HEADER SIZE to point to next header */
-	add	r2, r2, #SDS_HEADER_SIZE
-	add	r0, r0, r2
-	b	loop_begin
-2:
-	mov	r0, #0xffffffff
-	bx	lr
-endfunc sds_get_primary_cpu_id
diff --git a/plat/arm/css/drivers/sds/aarch64/sds_helpers.S b/plat/arm/css/drivers/sds/aarch64/sds_helpers.S
deleted file mode 100644
index 3b9c562..0000000
--- a/plat/arm/css/drivers/sds/aarch64/sds_helpers.S
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include <arch.h>
-#include <asm_macros.S>
-#include <platform_def.h>
-#include "../sds.h"
-#include "../sds_private.h"
-
-	.globl	sds_get_primary_cpu_id
-
-	/*
-	 * int sds_get_primary_cpu_id(void);
-	 * Return the primary CPI ID from SDS Structure
-	 * Returns CPUID on success or -1 on failure
-	 */
-func sds_get_primary_cpu_id
-	mov_imm	x0, PLAT_ARM_SDS_MEM_BASE
-	mov	w2, #SDS_REGION_SIGNATURE
-	ldr	w1, [x0]
-
-	/* Check if the SDS region signature found */
-	cmp	w2, w1, uxth
-	b.ne	2f
-
-	/* Get the structure count from region descriptor in `w1 */
-	ubfx	w1, w1, #SDS_REGION_STRUCT_COUNT_SHIFT, #SDS_REGION_STRUCT_COUNT_WIDTH
-	cbz	w1, 2f
-	add	x0, x0, #SDS_REGION_DESC_SIZE
-
-	/* Initialize the loop iterator count in w3 */
-	mov	w3, #0
-loop_begin:
-	ldrh	w2, [x0]
-	cmp	w2, #SDS_AP_CPU_INFO_STRUCT_ID
-	b.ne	continue_loop
-
-	/* We have found the required structure */
-	ldr	w0, [x0,#(SDS_HEADER_SIZE + SDS_AP_CPU_INFO_PRIMARY_CPUID_OFFSET)]
-	ret
-continue_loop:
-	/* Increment the loop counter and exit loop if counter == structure count */
-	add	w3, w3, #0x1
-	cmp	w1, w3
-	b.eq	2f
-
-	/* Read the 2nd word in header */
-	ldr	w2, [x0,#4]
-	/* Get the structure size from header */
-	ubfx	x2, x2, #SDS_HEADER_STRUCT_SIZE_SHIFT, #SDS_HEADER_STRUCT_SIZE_WIDTH
-	/* Add the structure size and SDS HEADER SIZE to point to next header */
-	add	x2, x2, #SDS_HEADER_SIZE
-	add	x0, x0, x2
-	b	loop_begin
-2:
-	mov	w0, #0xffffffff
-	ret
-endfunc sds_get_primary_cpu_id
diff --git a/plat/arm/css/drivers/sds/sds.c b/plat/arm/css/drivers/sds/sds.c
deleted file mode 100644
index eb2f48e..0000000
--- a/plat/arm/css/drivers/sds/sds.c
+++ /dev/null
@@ -1,259 +0,0 @@
-/*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#include <assert.h>
-#include <stdint.h>
-#include <string.h>
-
-#include <arch_helpers.h>
-#include <common/debug.h>
-#include <platform_def.h>
-
-#include "sds.h"
-#include "sds_private.h"
-
-/*
- * Variables used to track and maintain the state of the memory region reserved
- * for usage by the SDS framework.
- */
-
-/* Pointer to the base of the SDS memory region */
-static uintptr_t sds_mem_base;
-
-/* Size of the SDS memory region in bytes */
-static size_t sds_mem_size;
-
-/*
- * Perform some non-exhaustive tests to determine whether any of the fields
- * within a Structure Header contain obviously invalid data.
- * Returns SDS_OK on success, SDS_ERR_FAIL on error.
- */
-static int sds_struct_is_valid(uintptr_t header)
-{
-	size_t struct_size = GET_SDS_HEADER_STRUCT_SIZE(header);
-
-	/* Zero is not a valid identifier */
-	if (GET_SDS_HEADER_ID(header) == 0)
-		return SDS_ERR_FAIL;
-
-	/* Check SDS Schema version */
-	if (GET_SDS_HEADER_VERSION(header) == SDS_REGION_SCH_VERSION)
-		return SDS_ERR_FAIL;
-
-	/* The SDS Structure sizes have to be multiple of 8 */
-	if ((struct_size == 0) || ((struct_size % 8) != 0))
-		return SDS_ERR_FAIL;
-
-	if (struct_size > sds_mem_size)
-		return SDS_ERR_FAIL;
-
-	return SDS_OK;
-}
-
-/*
- * Validate the SDS structure headers.
- * Returns SDS_OK on success, SDS_ERR_FAIL on error.
- */
-static int validate_sds_struct_headers(void)
-{
-	unsigned int i, structure_count;
-	uintptr_t header;
-
-	structure_count = GET_SDS_REGION_STRUCTURE_COUNT(sds_mem_base);
-
-	if (structure_count == 0)
-		return SDS_ERR_FAIL;
-
-	header = sds_mem_base + SDS_REGION_DESC_SIZE;
-
-	/* Iterate over structure headers and validate each one */
-	for (i = 0; i < structure_count; i++) {
-		if (sds_struct_is_valid(header) != SDS_OK) {
-			WARN("SDS: Invalid structure header detected\n");
-			return SDS_ERR_FAIL;
-		}
-		header += GET_SDS_HEADER_STRUCT_SIZE(header) + SDS_HEADER_SIZE;
-	}
-	return SDS_OK;
-}
-
-/*
- * Get the structure header pointer corresponding to the structure ID.
- * Returns SDS_OK on success, SDS_ERR_STRUCT_NOT_FOUND on error.
- */
-static int get_struct_header(uint32_t structure_id, struct_header_t **header)
-{
-	unsigned int i, structure_count;
-	uintptr_t current_header;
-
-	assert(header);
-
-	structure_count = GET_SDS_REGION_STRUCTURE_COUNT(sds_mem_base);
-	if (structure_count == 0)
-		return SDS_ERR_STRUCT_NOT_FOUND;
-
-	current_header = ((uintptr_t)sds_mem_base) + SDS_REGION_DESC_SIZE;
-
-	/* Iterate over structure headers to find one with a matching ID */
-	for (i = 0; i < structure_count; i++) {
-		if (GET_SDS_HEADER_ID(current_header) == structure_id) {
-			*header = (struct_header_t *)current_header;
-			return SDS_OK;
-		}
-		current_header += GET_SDS_HEADER_STRUCT_SIZE(current_header) +
-						SDS_HEADER_SIZE;
-	}
-
-	*header = NULL;
-	return SDS_ERR_STRUCT_NOT_FOUND;
-}
-
-/*
- * Check if a structure header corresponding to the structure ID exists.
- * Returns SDS_OK if structure header exists else SDS_ERR_STRUCT_NOT_FOUND
- * if not found.
- */
-int sds_struct_exists(unsigned int structure_id)
-{
-	struct_header_t *header = NULL;
-	int ret;
-
-	ret = get_struct_header(structure_id, &header);
-	if (ret == SDS_OK) {
-		assert(header);
-	}
-
-	return ret;
-}
-
-/*
- * Read from field in the structure corresponding to `structure_id`.
- * `fld_off` is the offset to the field in the structure and `mode`
- * indicates whether cache maintenance need to performed prior to the read.
- * The `data` is the pointer to store the read data of size specified by `size`.
- * Returns SDS_OK on success or corresponding error codes on failure.
- */
-int sds_struct_read(uint32_t structure_id, unsigned int fld_off,
-		void *data, size_t size, sds_access_mode_t mode)
-{
-	int status;
-	uintptr_t field_base;
-	struct_header_t *header = NULL;
-
-	if (!data)
-		return SDS_ERR_INVALID_PARAMS;
-
-	/* Check if a structure with this ID exists */
-	status = get_struct_header(structure_id, &header);
-	if (status != SDS_OK)
-		return status;
-
-	assert(header);
-
-	if (mode == SDS_ACCESS_MODE_CACHED)
-		inv_dcache_range((uintptr_t)header, SDS_HEADER_SIZE + size);
-
-	if (!IS_SDS_HEADER_VALID(header)) {
-		WARN("SDS: Reading from un-finalized structure 0x%x\n",
-				structure_id);
-		return SDS_ERR_STRUCT_NOT_FINALIZED;
-	}
-
-	if ((fld_off + size) > GET_SDS_HEADER_STRUCT_SIZE(header))
-		return SDS_ERR_FAIL;
-
-	field_base = (uintptr_t)header + SDS_HEADER_SIZE + fld_off;
-	if (check_uptr_overflow(field_base, size - 1))
-		return SDS_ERR_FAIL;
-
-	/* Copy the required field in the struct */
-	memcpy(data, (void *)field_base, size);
-
-	return SDS_OK;
-}
-
-/*
- * Write to the field in the structure corresponding to `structure_id`.
- * `fld_off` is the offset to the field in the structure and `mode`
- * indicates whether cache maintenance need to performed for the write.
- * The `data` is the pointer to data of size specified by `size`.
- * Returns SDS_OK on success or corresponding error codes on failure.
- */
-int sds_struct_write(uint32_t structure_id, unsigned int fld_off,
-		void *data, size_t size, sds_access_mode_t mode)
-{
-	int status;
-	uintptr_t field_base;
-	struct_header_t *header = NULL;
-
-	if (!data)
-		return SDS_ERR_INVALID_PARAMS;
-
-	/* Check if a structure with this ID exists */
-	status = get_struct_header(structure_id, &header);
-	if (status != SDS_OK)
-		return status;
-
-	assert(header);
-
-	if (mode == SDS_ACCESS_MODE_CACHED)
-		inv_dcache_range((uintptr_t)header, SDS_HEADER_SIZE + size);
-
-	if (!IS_SDS_HEADER_VALID(header)) {
-		WARN("SDS: Writing to un-finalized structure 0x%x\n",
-				structure_id);
-		return SDS_ERR_STRUCT_NOT_FINALIZED;
-	}
-
-	if ((fld_off + size) > GET_SDS_HEADER_STRUCT_SIZE(header))
-		return SDS_ERR_FAIL;
-
-	field_base = (uintptr_t)header + SDS_HEADER_SIZE + fld_off;
-	if (check_uptr_overflow(field_base, size - 1))
-		return SDS_ERR_FAIL;
-
-	/* Copy the required field in the struct */
-	memcpy((void *)field_base, data, size);
-
-	if (mode == SDS_ACCESS_MODE_CACHED)
-		flush_dcache_range((uintptr_t)field_base, size);
-
-	return SDS_OK;
-}
-
-/*
- * Initialize the SDS driver. Also verifies the SDS version and sanity of
- * the SDS structure headers.
- * Returns SDS_OK on success, SDS_ERR_FAIL on error.
- */
-int sds_init(void)
-{
-	sds_mem_base = (uintptr_t)PLAT_ARM_SDS_MEM_BASE;
-
-	if (!IS_SDS_REGION_VALID(sds_mem_base)) {
-		WARN("SDS: No valid SDS Memory Region found\n");
-		return SDS_ERR_FAIL;
-	}
-
-	if (GET_SDS_REGION_SCHEMA_VERSION(sds_mem_base)
-				!= SDS_REGION_SCH_VERSION) {
-		WARN("SDS: Unsupported SDS schema version\n");
-		return SDS_ERR_FAIL;
-	}
-
-	sds_mem_size = GET_SDS_REGION_SIZE(sds_mem_base);
-	if (sds_mem_size > PLAT_ARM_SDS_MEM_SIZE_MAX) {
-		WARN("SDS: SDS Memory Region exceeds size limit\n");
-		return SDS_ERR_FAIL;
-	}
-
-	INFO("SDS: Detected SDS Memory Region (%zu bytes)\n", sds_mem_size);
-
-	if (validate_sds_struct_headers() != SDS_OK)
-		return SDS_ERR_FAIL;
-
-	return SDS_OK;
-}
diff --git a/plat/arm/css/drivers/sds/sds.h b/plat/arm/css/drivers/sds/sds.h
deleted file mode 100644
index 114ae92..0000000
--- a/plat/arm/css/drivers/sds/sds.h
+++ /dev/null
@@ -1,90 +0,0 @@
-/*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#ifndef SDS_H
-#define SDS_H
-
-/* SDS Structure Identifier defines */
-/* AP CPU INFO defines */
-#define SDS_AP_CPU_INFO_STRUCT_ID		1
-#define SDS_AP_CPU_INFO_PRIMARY_CPUID_OFFSET	0x0
-#define SDS_AP_CPU_INFO_PRIMARY_CPUID_SIZE	0x4
-
-/* ROM Firmware Version defines */
-#define SDS_ROM_VERSION_STRUCT_ID		2
-#define SDS_ROM_VERSION_OFFSET			0x0
-#define SDS_ROM_VERSION_SIZE 			0x4
-
-/* RAM Firmware version defines */
-#define SDS_RAM_VERSION_STRUCT_ID		3
-#define SDS_RAM_VERSION_OFFSET			0x0
-#define SDS_RAM_VERSION_SIZE			0x4
-
-/* Platform Identity defines */
-#define SDS_PLATFORM_IDENTITY_STRUCT_ID		4
-#define SDS_PLATFORM_IDENTITY_ID_OFFSET		0x0
-#define SDS_PLATFORM_IDENTITY_ID_SIZE		0x4
-#define SDS_PLATFORM_IDENTITY_ID_CONFIG_SHIFT	28
-#define SDS_PLATFORM_IDENTITY_ID_CONFIG_WIDTH	4
-#define SDS_PLATFORM_IDENTITY_ID_CONFIG_MASK	\
-	((1 << SDS_PLATFORM_IDENTITY_ID_CONFIG_WIDTH) - 1)
-
-#define SDS_PLATFORM_IDENTITY_PLAT_TYPE_OFFSET	0x4
-#define SDS_PLATFORM_IDENTITY_PLAT_TYPE_SIZE	0x4
-
-/* Reset Syndrome defines */
-#define SDS_RESET_SYNDROME_STRUCT_ID		5
-#define SDS_RESET_SYNDROME_OFFSET		0
-#define SDS_RESET_SYNDROME_SIZE			4
-#define SDS_RESET_SYNDROME_POW_ON_RESET_BIT	(1 << 0)
-#define SDS_RESET_SYNDROME_SCP_WD_RESET_BIT	(1 << 1)
-#define SDS_RESET_SYNDROME_AP_WD_RESET_BIT	(1 << 2)
-#define SDS_RESET_SYNDROME_SYS_RESET_REQ_BIT	(1 << 3)
-#define SDS_RESET_SYNDROME_M3_LOCKUP_BIT	(1 << 4)
-
-/* SCP Firmware Feature Availability defines */
-#define SDS_FEATURE_AVAIL_STRUCT_ID		6
-#define SDS_FEATURE_AVAIL_OFFSET		0
-#define SDS_FEATURE_AVAIL_SIZE			4
-#define SDS_FEATURE_AVAIL_SCP_RAM_READY_BIT	(1 << 0)
-#define SDS_FEATURE_AVAIL_DMC_READY_BIT		(1 << 1)
-#define SDS_FEATURE_AVAIL_MSG_IF_READY_BIT	(1 << 2)
-
-/* SCP BL2 Image Metadata defines */
-#define SDS_SCP_IMG_STRUCT_ID			9
-#define SDS_SCP_IMG_FLAG_OFFSET			0
-#define SDS_SCP_IMG_FLAG_SIZE			4
-#define SDS_SCP_IMG_VALID_FLAG_BIT		(1 << 0)
-#define SDS_SCP_IMG_ADDR_OFFSET			4
-#define SDS_SCP_IMG_ADDR_SIZE			4
-#define SDS_SCP_IMG_SIZE_OFFSET			8
-#define SDS_SCP_IMG_SIZE_SIZE			4
-
-/* SDS Driver Error Codes */
-#define SDS_OK				0
-#define SDS_ERR_FAIL			-1
-#define SDS_ERR_INVALID_PARAMS		-2
-#define SDS_ERR_STRUCT_NOT_FOUND	-3
-#define SDS_ERR_STRUCT_NOT_FINALIZED	-4
-
-#ifndef __ASSEMBLY__
-#include <stddef.h>
-#include <stdint.h>
-
-typedef enum {
-	SDS_ACCESS_MODE_NON_CACHED,
-	SDS_ACCESS_MODE_CACHED,
-} sds_access_mode_t;
-
-int sds_init(void);
-int sds_struct_exists(unsigned int structure_id);
-int sds_struct_read(uint32_t structure_id, unsigned int fld_off, void *data,
-		size_t size, sds_access_mode_t mode);
-int sds_struct_write(uint32_t structure_id, unsigned int fld_off, void *data,
-		size_t size, sds_access_mode_t mode);
-#endif /*__ASSEMBLY__ */
-
-#endif /* SDS_H */
diff --git a/plat/arm/css/drivers/sds/sds_private.h b/plat/arm/css/drivers/sds/sds_private.h
deleted file mode 100644
index 2101dd0..0000000
--- a/plat/arm/css/drivers/sds/sds_private.h
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
- *
- * SPDX-License-Identifier: BSD-3-Clause
- */
-
-#ifndef SDS_PRIVATE_H
-#define SDS_PRIVATE_H
-
-/* SDS Header defines */
-#define SDS_HEADER_ID_SHIFT			0
-#define SDS_HEADER_ID_WIDTH			16
-#define SDS_HEADER_ID_MASK			((1 << SDS_HEADER_ID_WIDTH) - 1)
-
-#define SDS_HEADER_MINOR_VERSION_WIDTH		8
-#define SDS_HEADER_MINOR_VERSION_SHIFT		16
-#define SDS_HEADER_MAJOR_VERSION_WIDTH		8
-
-#define MAKE_SDS_HEADER_VERSION(major, minor)	\
-	(((((major) & 0xff) << SDS_HEADER_MINOR_VERSION_WIDTH) | ((minor) & 0xff)))
-#define SDS_HEADER_VERSION_MASK			\
-	((1 << (SDS_HEADER_MINOR_VERSION_WIDTH + SDS_HEADER_MAJOR_VERSION_WIDTH)) - 1)
-
-#define SDS_HEADER_VERSION			MAKE_SDS_HEADER_VERSION(1, 0)
-#define SDS_HEADER_STRUCT_SIZE_WIDTH		23
-#define SDS_HEADER_STRUCT_SIZE_SHIFT		1
-#define SDS_HEADER_STRUCT_SIZE_MASK		((1 << SDS_HEADER_STRUCT_SIZE_WIDTH) - 1)
-#define SDS_HEADER_VALID_MASK			0x1
-#define SDS_HEADER_VALID_SHIFT			0
-#define SDS_HEADER_SIZE				0x8
-
-/* Arbitrary, 16 bit value that indicates a valid SDS Memory Region */
-#define SDS_REGION_SIGNATURE			0xAA7A
-#define SDS_REGION_SIGNATURE_WIDTH		16
-#define SDS_REGION_SIGNATURE_SHIFT		0
-#define SDS_REGION_SIGNATURE_MASK		((1 << SDS_REGION_SIGNATURE_WIDTH) - 1)
-
-#define SDS_REGION_STRUCT_COUNT_SHIFT		16
-#define SDS_REGION_STRUCT_COUNT_WIDTH		8
-#define SDS_REGION_STRUCT_COUNT_MASK		((1 << SDS_REGION_STRUCT_COUNT_WIDTH) - 1)
-
-#define SDS_REGION_SCH_MINOR_SHIFT		24
-#define SDS_REGION_SCH_MINOR_WIDTH		4
-#define SDS_REGION_SCH_MINOR_MASK		((1 << SDS_REGION_SCH_MINOR_WIDTH) - 1)
-
-#define SDS_REGION_SCH_MAJOR_SHIFT		28
-#define SDS_REGION_SCH_MAJOR_WIDTH		4
-#define SDS_REGION_SCH_MAJOR_MASK		((1 << SDS_REGION_SCH_MAJOR_WIDTH) - 1)
-
-#define SDS_REGION_SCH_VERSION_MASK		\
-	((1 << (SDS_REGION_SCH_MINOR_WIDTH + SDS_REGION_SCH_MAJOR_WIDTH)) - 1)
-
-#define MAKE_SDS_REGION_SCH_VERSION(maj, min)	\
-	((((maj) & SDS_REGION_SCH_MAJOR_MASK) << SDS_REGION_SCH_MINOR_WIDTH) |	\
-	((min) & SDS_REGION_SCH_MINOR_MASK))
-
-#define SDS_REGION_SCH_VERSION			MAKE_SDS_REGION_SCH_VERSION(1, 0)
-#define SDS_REGION_REGIONSIZE_OFFSET		0x4
-#define SDS_REGION_DESC_SIZE			0x8
-
-#ifndef __ASSEMBLY__
-#include <stddef.h>
-#include <stdint.h>
-
-/* Header containing Shared Data Structure metadata */
-typedef struct structure_header {
-	uint32_t reg[2];
-} struct_header_t;
-
-#define GET_SDS_HEADER_ID(_header)			\
-	((((struct_header_t *)(_header))->reg[0]) & SDS_HEADER_ID_MASK)
-#define GET_SDS_HEADER_VERSION(_header)			\
-	(((((struct_header_t *)(_header))->reg[0]) >> SDS_HEADER_MINOR_VERSION_SHIFT)\
-	& SDS_HEADER_VERSION_MASK)
-#define GET_SDS_HEADER_STRUCT_SIZE(_header)		\
-	(((((struct_header_t *)(_header))->reg[1]) >> SDS_HEADER_STRUCT_SIZE_SHIFT)\
-	& SDS_HEADER_STRUCT_SIZE_MASK)
-#define IS_SDS_HEADER_VALID(_header)			\
-	((((struct_header_t *)(_header))->reg[1]) & SDS_HEADER_VALID_MASK)
-#define GET_SDS_STRUCT_FIELD(_header, _field_offset)	\
-	((((uint8_t *)(_header)) + sizeof(struct_header_t)) + (_field_offset))
-
-/* Region Descriptor describing the SDS Memory Region */
-typedef struct region_descriptor {
-	uint32_t reg[2];
-} region_desc_t;
-
-#define IS_SDS_REGION_VALID(region)			\
-	(((((region_desc_t *)(region))->reg[0]) & SDS_REGION_SIGNATURE_MASK) == SDS_REGION_SIGNATURE)
-#define GET_SDS_REGION_STRUCTURE_COUNT(region)		\
-	(((((region_desc_t *)(region))->reg[0]) >> SDS_REGION_STRUCT_COUNT_SHIFT)\
-	& SDS_REGION_STRUCT_COUNT_MASK)
-#define GET_SDS_REGION_SCHEMA_VERSION(region)		\
-	(((((region_desc_t *)(region))->reg[0]) >> SDS_REGION_SCH_MINOR_SHIFT)\
-	& SDS_REGION_SCH_VERSION_MASK)
-#define GET_SDS_REGION_SIZE(region)		((((region_desc_t *)(region))->reg[1]))
-
-#endif /* __ASSEMBLY__ */
-
-#endif /* SDS_PRIVATE_H */