Merge changes from topic "DPE" into integration
* changes:
feat(tc): add RSS SDS region right after SCMI payload
refactor(n1sdp): update SDS driver calls
refactor(morello): update SDS driver calls
refactor(juno): update SDS driver calls
refactor(sgi): update SDS driver calls
refactor(css): support multiple SDS regions
diff --git a/drivers/arm/css/scp/css_sds.c b/drivers/arm/css/scp/css_sds.c
index e42ee10..d9965c6 100644
--- a/drivers/arm/css/scp/css_sds.c
+++ b/drivers/arm/css/scp/css_sds.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014-2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2014-2024, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -20,7 +20,7 @@
int ret;
unsigned int image_offset, image_flags;
- ret = sds_init();
+ ret = sds_init(SDS_SCP_AP_REGION_ID);
if (ret != SDS_OK) {
ERROR("SCP SDS initialization failed\n");
panic();
@@ -28,13 +28,15 @@
VERBOSE("Writing SCP image metadata\n");
image_offset = (uintptr_t) image - ARM_TRUSTED_SRAM_BASE;
- ret = sds_struct_write(SDS_SCP_IMG_STRUCT_ID, SDS_SCP_IMG_ADDR_OFFSET,
+ ret = sds_struct_write(SDS_SCP_AP_REGION_ID,
+ SDS_SCP_IMG_STRUCT_ID, SDS_SCP_IMG_ADDR_OFFSET,
&image_offset, SDS_SCP_IMG_ADDR_SIZE,
SDS_ACCESS_MODE_NON_CACHED);
if (ret != SDS_OK)
goto sds_fail;
- ret = sds_struct_write(SDS_SCP_IMG_STRUCT_ID, SDS_SCP_IMG_SIZE_OFFSET,
+ ret = sds_struct_write(SDS_SCP_AP_REGION_ID,
+ SDS_SCP_IMG_STRUCT_ID, SDS_SCP_IMG_SIZE_OFFSET,
&image_size, SDS_SCP_IMG_SIZE_SIZE,
SDS_ACCESS_MODE_NON_CACHED);
if (ret != SDS_OK)
@@ -42,7 +44,8 @@
VERBOSE("Marking SCP image metadata as valid\n");
image_flags = SDS_SCP_IMG_VALID_FLAG_BIT;
- ret = sds_struct_write(SDS_SCP_IMG_STRUCT_ID, SDS_SCP_IMG_FLAG_OFFSET,
+ ret = sds_struct_write(SDS_SCP_AP_REGION_ID,
+ SDS_SCP_IMG_STRUCT_ID, SDS_SCP_IMG_FLAG_OFFSET,
&image_flags, SDS_SCP_IMG_FLAG_SIZE,
SDS_ACCESS_MODE_NON_CACHED);
if (ret != SDS_OK)
@@ -68,7 +71,8 @@
/* Wait for the SCP RAM Firmware to complete its initialization process */
while (retry > 0) {
- ret = sds_struct_read(SDS_FEATURE_AVAIL_STRUCT_ID, 0,
+ ret = sds_struct_read(SDS_SCP_AP_REGION_ID,
+ SDS_FEATURE_AVAIL_STRUCT_ID, 0,
&scp_feature_availability_flags,
SDS_FEATURE_AVAIL_SIZE,
SDS_ACCESS_MODE_NON_CACHED);
diff --git a/drivers/arm/css/sds/sds.c b/drivers/arm/css/sds/sds.c
index 1fb196c..a5e6389 100644
--- a/drivers/arm/css/sds/sds.c
+++ b/drivers/arm/css/sds/sds.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2024, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -15,40 +15,39 @@
#include "sds_private.h"
-/*
- * Variables used to track and maintain the state of the memory region reserved
- * for usage by the SDS framework.
- */
+/* Array of SDS memory region descriptions */
+static sds_region_desc_t *sds_regions;
-/* 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;
+/* Total count of SDS memory regions */
+static unsigned int sds_region_cnt;
/*
* 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)
+static int sds_struct_is_valid(unsigned int region_id, 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)
+ 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)
+ 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))
+ if ((struct_size == 0) || ((struct_size % 8) != 0)) {
return SDS_ERR_FAIL;
+ }
- if (struct_size > sds_mem_size)
+ if (struct_size > sds_regions[region_id].size) {
return SDS_ERR_FAIL;
+ }
return SDS_OK;
}
@@ -57,10 +56,11 @@
* Validate the SDS structure headers.
* Returns SDS_OK on success, SDS_ERR_FAIL on error.
*/
-static int validate_sds_struct_headers(void)
+static int validate_sds_struct_headers(unsigned int region_id)
{
unsigned int i, structure_count;
uintptr_t header;
+ uintptr_t sds_mem_base = sds_regions[region_id].base;
structure_count = GET_SDS_REGION_STRUCTURE_COUNT(sds_mem_base);
@@ -71,7 +71,7 @@
/* Iterate over structure headers and validate each one */
for (i = 0; i < structure_count; i++) {
- if (sds_struct_is_valid(header) != SDS_OK) {
+ if (sds_struct_is_valid(region_id, header) != SDS_OK) {
WARN("SDS: Invalid structure header detected\n");
return SDS_ERR_FAIL;
}
@@ -84,10 +84,12 @@
* 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)
+static int get_struct_header(unsigned int region_id, uint32_t structure_id,
+ struct_header_t **header)
{
unsigned int i, structure_count;
uintptr_t current_header;
+ uintptr_t sds_mem_base = sds_regions[region_id].base;
assert(header);
@@ -116,12 +118,14 @@
* Returns SDS_OK if structure header exists else SDS_ERR_STRUCT_NOT_FOUND
* if not found.
*/
-int sds_struct_exists(unsigned int structure_id)
+int sds_struct_exists(unsigned int region_id, unsigned int structure_id)
{
struct_header_t *header = NULL;
int ret;
- ret = get_struct_header(structure_id, &header);
+ assert(region_id < sds_region_cnt);
+
+ ret = get_struct_header(region_id, structure_id, &header);
if (ret == SDS_OK) {
assert(header);
}
@@ -136,18 +140,21 @@
* 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 sds_struct_read(unsigned int region_id, 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;
+ assert(region_id < sds_region_cnt);
+
if (!data)
return SDS_ERR_INVALID_PARAMS;
/* Check if a structure with this ID exists */
- status = get_struct_header(structure_id, &header);
+ status = get_struct_header(region_id, structure_id, &header);
if (status != SDS_OK)
return status;
@@ -182,18 +189,21 @@
* 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 sds_struct_write(unsigned int region_id, 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;
+ assert(region_id < sds_region_cnt);
+
if (!data)
return SDS_ERR_INVALID_PARAMS;
/* Check if a structure with this ID exists */
- status = get_struct_header(structure_id, &header);
+ status = get_struct_header(region_id, structure_id, &header);
if (status != SDS_OK)
return status;
@@ -226,12 +236,18 @@
/*
* Initialize the SDS driver. Also verifies the SDS version and sanity of
- * the SDS structure headers.
+ * the SDS structure headers in the given SDS region.
* Returns SDS_OK on success, SDS_ERR_FAIL on error.
*/
-int sds_init(void)
+int sds_init(unsigned int region_id)
{
- sds_mem_base = (uintptr_t)PLAT_ARM_SDS_MEM_BASE;
+ if (sds_regions == NULL) {
+ sds_regions = plat_sds_get_regions(&sds_region_cnt);
+ }
+
+ assert(region_id < sds_region_cnt);
+
+ uintptr_t sds_mem_base = sds_regions[region_id].base;
if (!IS_SDS_REGION_VALID(sds_mem_base)) {
WARN("SDS: No valid SDS Memory Region found\n");
@@ -244,15 +260,16 @@
return SDS_ERR_FAIL;
}
- sds_mem_size = GET_SDS_REGION_SIZE(sds_mem_base);
- if (sds_mem_size > PLAT_ARM_SDS_MEM_SIZE_MAX) {
+ sds_regions[region_id].size = GET_SDS_REGION_SIZE(sds_mem_base);
+ if (sds_regions[region_id].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);
+ INFO("SDS: Detected SDS Memory Region (%zu bytes)\n",
+ sds_regions[region_id].size);
- if (validate_sds_struct_headers() != SDS_OK)
+ if (validate_sds_struct_headers(region_id) != SDS_OK)
return SDS_ERR_FAIL;
return SDS_OK;
diff --git a/include/drivers/arm/css/sds.h b/include/drivers/arm/css/sds.h
index db4cbaa..ab95775 100644
--- a/include/drivers/arm/css/sds.h
+++ b/include/drivers/arm/css/sds.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2017-2024, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -79,12 +79,33 @@
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);
+/*
+ * The following structure describes a SDS memory region. Its items are used
+ * to track and maintain the state of the memory region reserved for usage
+ * by the SDS framework.
+ *
+ * The base address of the SDS memory region is platform specific. The
+ * SDS description structure must already contain the address when it is
+ * returned by the plat_sds_get_regions() platform API during SDS region
+ * initialization.
+ * The size of the SDS memory region is dynamically discovered during the
+ * initialization of the region and written into the 'size' item of the
+ * SDS description structure.
+ */
+typedef struct {
+ uintptr_t base; /* Pointer to the base of the SDS memory region */
+ size_t size; /* Size of the SDS memory region in bytes */
+} sds_region_desc_t;
+
+/* API to get the platform specific SDS region description(s) */
+sds_region_desc_t *plat_sds_get_regions(unsigned int *region_count);
+
+int sds_init(unsigned int region_id);
+int sds_struct_exists(unsigned int region_id, unsigned int structure_id);
+int sds_struct_read(unsigned int region_id, uint32_t structure_id,
+ unsigned int fld_off, void *data, size_t size, sds_access_mode_t mode);
+int sds_struct_write(unsigned int region_id, uint32_t structure_id,
+ unsigned int fld_off, void *data, size_t size, sds_access_mode_t mode);
#endif /*__ASSEMBLER__ */
#endif /* SDS_H */
diff --git a/include/plat/arm/css/common/css_def.h b/include/plat/arm/css/common/css_def.h
index f87f857..0aea548 100644
--- a/include/plat/arm/css/common/css_def.h
+++ b/include/plat/arm/css/common/css_def.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2015-2023, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2024, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -75,6 +75,7 @@
* The SCMI Channel is placed right after the SDS region
*/
#define CSS_SCMI_PAYLOAD_BASE (PLAT_ARM_SDS_MEM_BASE + PLAT_ARM_SDS_MEM_SIZE_MAX)
+#define CSS_SCMI_PAYLOAD_SIZE_MAX 0x100 /* 2x128 bytes for bidirectional communication */
#define CSS_SCMI_MHU_DB_REG_OFF MHU_CPU_INTR_S_SET_OFFSET
/* Trusted mailbox base address common to all CSS */
diff --git a/plat/arm/board/juno/include/platform_def.h b/plat/arm/board/juno/include/platform_def.h
index 5c9a7a3..b276f7b 100644
--- a/plat/arm/board/juno/include/platform_def.h
+++ b/plat/arm/board/juno/include/platform_def.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2014-2023, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2014-2024, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -246,12 +246,14 @@
/* MHU related constants */
#define PLAT_CSS_MHU_BASE UL(0x2b1f0000)
+#if CSS_USE_SCMI_SDS_DRIVER
+/* Index of SDS region used in the communication between AP and SCP */
+#define SDS_SCP_AP_REGION_ID U(0)
+#else
/*
* Base address of the first memory region used for communication between AP
* and SCP. Used by the BOM and SCPI protocols.
- */
-#if !CSS_USE_SCMI_SDS_DRIVER
-/*
+ *
* Note that this is located at the same address as SCP_BOOT_CFG_ADDR, which
* means the SCP/AP configuration data gets overwritten when the AP initiates
* communication with the SCP. The configuration data is expected to be a
@@ -261,7 +263,7 @@
#define PLAT_CSS_SCP_COM_SHARED_MEM_BASE (ARM_TRUSTED_SRAM_BASE + UL(0x80))
#define PLAT_CSS_PRIMARY_CPU_SHIFT 8
#define PLAT_CSS_PRIMARY_CPU_BIT_WIDTH 4
-#endif
+#endif /* CSS_USE_SCMI_SDS_DRIVER */
/*
* SCP_BL2 uses up whatever remaining space is available as it is loaded before
diff --git a/plat/arm/board/juno/juno_bl1_setup.c b/plat/arm/board/juno/juno_bl1_setup.c
index a9d5cc3..2bc948d 100644
--- a/plat/arm/board/juno/juno_bl1_setup.c
+++ b/plat/arm/board/juno/juno_bl1_setup.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2015-2021, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2024, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -32,13 +32,14 @@
int ret;
uint32_t scp_reset_synd_flags;
- ret = sds_init();
+ ret = sds_init(SDS_SCP_AP_REGION_ID);
if (ret != SDS_OK) {
ERROR("SCP SDS initialization failed\n");
panic();
}
- ret = sds_struct_read(SDS_RESET_SYNDROME_STRUCT_ID,
+ ret = sds_struct_read(SDS_SCP_AP_REGION_ID,
+ SDS_RESET_SYNDROME_STRUCT_ID,
SDS_RESET_SYNDROME_OFFSET,
&scp_reset_synd_flags,
SDS_RESET_SYNDROME_SIZE,
diff --git a/plat/arm/board/juno/juno_common.c b/plat/arm/board/juno/juno_common.c
index 02614da..2cd01e4 100644
--- a/plat/arm/board/juno/juno_common.c
+++ b/plat/arm/board/juno/juno_common.c
@@ -1,14 +1,16 @@
/*
- * Copyright (c) 2015-2023, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2015-2024, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
+#include <drivers/arm/css/sds.h>
#include <lib/smccc.h>
-#include <platform_def.h>
+#include <lib/utils_def.h>
#include <services/arm_arch_svc.h>
#include <plat/arm/common/plat_arm.h>
+#include <platform_def.h>
/*
* Table of memory regions for different BL stages to map using the MMU.
@@ -138,3 +140,16 @@
return (int32_t)(((sys_id >> V2M_SYS_ID_REV_SHIFT) &
V2M_SYS_ID_REV_MASK) & SOC_ID_REV_MASK);
}
+
+#if CSS_USE_SCMI_SDS_DRIVER
+static sds_region_desc_t juno_sds_regions[] = {
+ { .base = PLAT_ARM_SDS_MEM_BASE },
+};
+
+sds_region_desc_t *plat_sds_get_regions(unsigned int *region_count)
+{
+ *region_count = ARRAY_SIZE(juno_sds_regions);
+
+ return juno_sds_regions;
+}
+#endif /* CSS_USE_SCMI_SDS_DRIVER */
diff --git a/plat/arm/board/morello/include/platform_def.h b/plat/arm/board/morello/include/platform_def.h
index 993aa46..3cf723e 100644
--- a/plat/arm/board/morello/include/platform_def.h
+++ b/plat/arm/board/morello/include/platform_def.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2020-2023, Arm Limited. All rights reserved.
+ * Copyright (c) 2020-2024, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -59,6 +59,10 @@
#if CSS_USE_SCMI_SDS_DRIVER
#define MORELLO_SCMI_PAYLOAD_BASE ULL(0x45400000)
+/*
+ * Index of SDS region used in the communication with SCP
+ */
+#define SDS_SCP_AP_REGION_ID U(0)
#else
#define PLAT_CSS_SCP_COM_SHARED_MEM_BASE ULL(0x45400000)
#endif
diff --git a/plat/arm/board/morello/morello_bl2_setup.c b/plat/arm/board/morello/morello_bl2_setup.c
index 39020e2..38e2e6a 100644
--- a/plat/arm/board/morello/morello_bl2_setup.c
+++ b/plat/arm/board/morello/morello_bl2_setup.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2021-2023, Arm Limited. All rights reserved.
+ * Copyright (c) 2021-2024, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -155,13 +155,14 @@
int ret;
struct morello_plat_info plat_info;
- ret = sds_init();
+ ret = sds_init(SDS_SCP_AP_REGION_ID);
if (ret != SDS_OK) {
ERROR("SDS initialization failed. ret:%d\n", ret);
panic();
}
- ret = sds_struct_read(MORELLO_SDS_PLATFORM_INFO_STRUCT_ID,
+ ret = sds_struct_read(SDS_SCP_AP_REGION_ID,
+ MORELLO_SDS_PLATFORM_INFO_STRUCT_ID,
MORELLO_SDS_PLATFORM_INFO_OFFSET,
&plat_info,
MORELLO_SDS_PLATFORM_INFO_SIZE,
diff --git a/plat/arm/board/morello/morello_bl31_setup.c b/plat/arm/board/morello/morello_bl31_setup.c
index 8469cd1..6373825 100644
--- a/plat/arm/board/morello/morello_bl31_setup.c
+++ b/plat/arm/board/morello/morello_bl31_setup.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2020-2023, Arm Limited. All rights reserved.
+ * Copyright (c) 2020-2024, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -43,13 +43,14 @@
#ifdef TARGET_PLATFORM_SOC
int ret;
- ret = sds_init();
+ ret = sds_init(SDS_SCP_AP_REGION_ID);
if (ret != SDS_OK) {
ERROR("SDS initialization failed. ret:%d\n", ret);
panic();
}
- ret = sds_struct_read(MORELLO_SDS_PLATFORM_INFO_STRUCT_ID,
+ ret = sds_struct_read(SDS_SCP_AP_REGION_ID,
+ MORELLO_SDS_PLATFORM_INFO_STRUCT_ID,
MORELLO_SDS_PLATFORM_INFO_OFFSET,
&plat_info,
MORELLO_SDS_PLATFORM_INFO_SIZE,
diff --git a/plat/arm/board/morello/morello_image_load.c b/plat/arm/board/morello/morello_image_load.c
index 4ea2bb3..cfe8bee 100644
--- a/plat/arm/board/morello/morello_image_load.c
+++ b/plat/arm/board/morello/morello_image_load.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2021-2023, Arm Limited. All rights reserved.
+ * Copyright (c) 2021-2024, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -13,6 +13,7 @@
#include "morello_def.h"
#include <plat/arm/common/plat_arm.h>
#include <plat/common/platform.h>
+#include <platform_def.h>
/* In client mode, a part of the DDR memory is reserved for Tag bits.
* Calculate the usable memory size after subtracting the Tag memory.
@@ -167,13 +168,14 @@
struct morello_plat_info plat_info;
struct morello_firmware_version fw_version;
- ret = sds_init();
+ ret = sds_init(SDS_SCP_AP_REGION_ID);
if (ret != SDS_OK) {
ERROR("SDS initialization failed. ret:%d\n", ret);
panic();
}
- ret = sds_struct_read(MORELLO_SDS_PLATFORM_INFO_STRUCT_ID,
+ ret = sds_struct_read(SDS_SCP_AP_REGION_ID,
+ MORELLO_SDS_PLATFORM_INFO_STRUCT_ID,
MORELLO_SDS_PLATFORM_INFO_OFFSET,
&plat_info,
MORELLO_SDS_PLATFORM_INFO_SIZE,
@@ -183,7 +185,8 @@
panic();
}
- ret = sds_struct_read(MORELLO_SDS_FIRMWARE_VERSION_STRUCT_ID,
+ ret = sds_struct_read(SDS_SCP_AP_REGION_ID,
+ MORELLO_SDS_FIRMWARE_VERSION_STRUCT_ID,
MORELLO_SDS_FIRMWARE_VERSION_OFFSET,
&fw_version,
MORELLO_SDS_FIRMWARE_VERSION_SIZE,
diff --git a/plat/arm/board/morello/morello_plat.c b/plat/arm/board/morello/morello_plat.c
index 2ca3d08..61fed64 100644
--- a/plat/arm/board/morello/morello_plat.c
+++ b/plat/arm/board/morello/morello_plat.c
@@ -1,12 +1,14 @@
/*
- * Copyright (c) 2020-2023, Arm Limited. All rights reserved.
+ * Copyright (c) 2020-2024, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
+#include <drivers/arm/css/sds.h>
#include <drivers/arm/sbsa.h>
+#include <lib/utils_def.h>
#include <plat/arm/common/plat_arm.h>
#include "morello_def.h"
@@ -68,3 +70,16 @@
{
sbsa_wdog_stop(SBSA_SECURE_WDOG_BASE);
}
+
+#if CSS_USE_SCMI_SDS_DRIVER
+static sds_region_desc_t morello_sds_regions[] = {
+ { .base = PLAT_ARM_SDS_MEM_BASE },
+};
+
+sds_region_desc_t *plat_sds_get_regions(unsigned int *region_count)
+{
+ *region_count = ARRAY_SIZE(morello_sds_regions);
+
+ return morello_sds_regions;
+}
+#endif /* CSS_USE_SCMI_SDS_DRIVER */
diff --git a/plat/arm/board/n1sdp/include/platform_def.h b/plat/arm/board/n1sdp/include/platform_def.h
index 74d0c91..82f1e7f 100644
--- a/plat/arm/board/n1sdp/include/platform_def.h
+++ b/plat/arm/board/n1sdp/include/platform_def.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2018-2023, Arm Limited. All rights reserved.
+ * Copyright (c) 2018-2024, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -77,6 +77,10 @@
#if CSS_USE_SCMI_SDS_DRIVER
#define N1SDP_SCMI_PAYLOAD_BASE 0x45400000
+/*
+ * Index of SDS region used in the communication with SCP
+ */
+#define SDS_SCP_AP_REGION_ID U(0)
#else
#define PLAT_CSS_SCP_COM_SHARED_MEM_BASE 0x45400000
#endif
diff --git a/plat/arm/board/n1sdp/n1sdp_bl2_setup.c b/plat/arm/board/n1sdp/n1sdp_bl2_setup.c
index 5f8af9f..5a5b9a5 100644
--- a/plat/arm/board/n1sdp/n1sdp_bl2_setup.c
+++ b/plat/arm/board/n1sdp/n1sdp_bl2_setup.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2022, Arm Limited. All rights reserved.
+ * Copyright (c) 2022-2024, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -11,6 +11,7 @@
#include "n1sdp_def.h"
#include <plat/arm/common/plat_arm.h>
+#include <platform_def.h>
struct n1sdp_plat_info {
bool multichip_mode;
@@ -60,13 +61,14 @@
int ret;
struct n1sdp_plat_info plat_info;
- ret = sds_init();
+ ret = sds_init(SDS_SCP_AP_REGION_ID);
if (ret != SDS_OK) {
ERROR("SDS initialization failed\n");
panic();
}
- ret = sds_struct_read(N1SDP_SDS_PLATFORM_INFO_STRUCT_ID,
+ ret = sds_struct_read(SDS_SCP_AP_REGION_ID,
+ N1SDP_SDS_PLATFORM_INFO_STRUCT_ID,
N1SDP_SDS_PLATFORM_INFO_OFFSET,
&plat_info,
N1SDP_SDS_PLATFORM_INFO_SIZE,
diff --git a/plat/arm/board/n1sdp/n1sdp_bl31_setup.c b/plat/arm/board/n1sdp/n1sdp_bl31_setup.c
index 430aab6..27ea7f7 100644
--- a/plat/arm/board/n1sdp/n1sdp_bl31_setup.c
+++ b/plat/arm/board/n1sdp/n1sdp_bl31_setup.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2018-2023, Arm Limited. All rights reserved.
+ * Copyright (c) 2018-2024, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -127,13 +127,14 @@
int ret;
struct n1sdp_plat_info plat_info;
- ret = sds_init();
+ ret = sds_init(SDS_SCP_AP_REGION_ID);
if (ret != SDS_OK) {
ERROR("SDS initialization failed\n");
panic();
}
- ret = sds_struct_read(N1SDP_SDS_PLATFORM_INFO_STRUCT_ID,
+ ret = sds_struct_read(SDS_SCP_AP_REGION_ID,
+ N1SDP_SDS_PLATFORM_INFO_STRUCT_ID,
N1SDP_SDS_PLATFORM_INFO_OFFSET,
&plat_info,
N1SDP_SDS_PLATFORM_INFO_SIZE,
diff --git a/plat/arm/board/n1sdp/n1sdp_image_load.c b/plat/arm/board/n1sdp/n1sdp_image_load.c
index 6c3528c..6ae2b26 100644
--- a/plat/arm/board/n1sdp/n1sdp_image_load.c
+++ b/plat/arm/board/n1sdp/n1sdp_image_load.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2022, Arm Limited. All rights reserved.
+ * Copyright (c) 2022-2024, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -13,6 +13,7 @@
#include "n1sdp_def.h"
#include <plat/arm/common/plat_arm.h>
+#include <platform_def.h>
/*
* Platform information structure stored in SDS.
@@ -108,13 +109,14 @@
int ret;
struct n1sdp_plat_info plat_info;
- ret = sds_init();
+ ret = sds_init(SDS_SCP_AP_REGION_ID);
if (ret != SDS_OK) {
ERROR("SDS initialization failed. ret:%d\n", ret);
panic();
}
- ret = sds_struct_read(N1SDP_SDS_PLATFORM_INFO_STRUCT_ID,
+ ret = sds_struct_read(SDS_SCP_AP_REGION_ID,
+ N1SDP_SDS_PLATFORM_INFO_STRUCT_ID,
N1SDP_SDS_PLATFORM_INFO_OFFSET,
&plat_info,
N1SDP_SDS_PLATFORM_INFO_SIZE,
diff --git a/plat/arm/board/n1sdp/n1sdp_plat.c b/plat/arm/board/n1sdp/n1sdp_plat.c
index 747ff06..42efdee 100644
--- a/plat/arm/board/n1sdp/n1sdp_plat.c
+++ b/plat/arm/board/n1sdp/n1sdp_plat.c
@@ -1,12 +1,14 @@
/*
- * Copyright (c) 2018-2023, Arm Limited. All rights reserved.
+ * Copyright (c) 2018-2024, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <assert.h>
+#include <drivers/arm/css/sds.h>
#include <drivers/arm/sbsa.h>
+#include <lib/utils_def.h>
#include <plat/arm/common/plat_arm.h>
#include "n1sdp_def.h"
@@ -71,3 +73,16 @@
{
sbsa_wdog_stop(SBSA_SECURE_WDOG_BASE);
}
+
+#if CSS_USE_SCMI_SDS_DRIVER
+static sds_region_desc_t n1sdp_sds_regions[] = {
+ { .base = PLAT_ARM_SDS_MEM_BASE },
+};
+
+sds_region_desc_t *plat_sds_get_regions(unsigned int *region_count)
+{
+ *region_count = ARRAY_SIZE(n1sdp_sds_regions);
+
+ return n1sdp_sds_regions;
+}
+#endif /* CSS_USE_SCMI_SDS_DRIVER */
diff --git a/plat/arm/board/tc/include/platform_def.h b/plat/arm/board/tc/include/platform_def.h
index 59fff6e..867750e 100644
--- a/plat/arm/board/tc/include/platform_def.h
+++ b/plat/arm/board/tc/include/platform_def.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2020-2023, Arm Limited. All rights reserved.
+ * Copyright (c) 2020-2024, Arm Limited. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -240,6 +240,17 @@
#define PLAT_ARM_SCMI_CHANNEL_COUNT 1
+/* Index of SDS region used in the communication with SCP */
+#define SDS_SCP_AP_REGION_ID U(0)
+/* Index of SDS region used in the communication with RSS */
+#define SDS_RSS_AP_REGION_ID U(1)
+/*
+ * Memory region for RSS's shared data storage (SDS)
+ * It is placed right after the SCMI payload area.
+ */
+#define PLAT_ARM_RSS_AP_SDS_MEM_BASE (CSS_SCMI_PAYLOAD_BASE + \
+ CSS_SCMI_PAYLOAD_SIZE_MAX)
+
#define PLAT_ARM_CLUSTER_COUNT U(1)
#define PLAT_MAX_CPUS_PER_CLUSTER U(8)
#define PLAT_MAX_PE_PER_CPU U(1)
diff --git a/plat/arm/board/tc/tc_plat.c b/plat/arm/board/tc/tc_plat.c
index 766bfb5..27d4b11 100644
--- a/plat/arm/board/tc/tc_plat.c
+++ b/plat/arm/board/tc/tc_plat.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2020-2023, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2020-2024, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -12,6 +12,8 @@
#include <common/bl_common.h>
#include <common/debug.h>
#include <drivers/arm/ccn.h>
+#include <drivers/arm/css/sds.h>
+#include <lib/utils_def.h>
#include <plat/arm/common/plat_arm.h>
#include <plat/common/platform.h>
#include <drivers/arm/sbsa.h>
@@ -159,3 +161,15 @@
{
sbsa_wdog_refresh(SBSA_SECURE_WDOG_REFRESH_BASE);
}
+
+static sds_region_desc_t tc_sds_regions[] = {
+ { .base = PLAT_ARM_SDS_MEM_BASE },
+ { .base = PLAT_ARM_RSS_AP_SDS_MEM_BASE },
+};
+
+sds_region_desc_t *plat_sds_get_regions(unsigned int *region_count)
+{
+ *region_count = ARRAY_SIZE(tc_sds_regions);
+
+ return tc_sds_regions;
+}
diff --git a/plat/arm/css/sgi/include/sgi_base_platform_def.h b/plat/arm/css/sgi/include/sgi_base_platform_def.h
index dab5f8b..2126a86 100644
--- a/plat/arm/css/sgi/include/sgi_base_platform_def.h
+++ b/plat/arm/css/sgi/include/sgi_base_platform_def.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2018-2023, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2024, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -298,6 +298,8 @@
#endif
+/* Index of SDS region used in the communication with SCP */
+#define SDS_SCP_AP_REGION_ID U(0)
/* SDS ID for unusable CPU MPID list structure */
#define SDS_ISOLATED_CPU_LIST_ID U(128)
diff --git a/plat/arm/css/sgi/sgi_image_load.c b/plat/arm/css/sgi/sgi_image_load.c
index ac4bfd2..0a9bba9 100644
--- a/plat/arm/css/sgi/sgi_image_load.c
+++ b/plat/arm/css/sgi/sgi_image_load.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2018-2022, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2024, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -30,13 +30,14 @@
{
int ret;
- ret = sds_init();
+ ret = sds_init(SDS_SCP_AP_REGION_ID);
if (ret != SDS_OK) {
ERROR("SDS initialization failed, error: %d\n", ret);
panic();
}
- ret = sds_struct_read(SDS_ISOLATED_CPU_LIST_ID, 0, &list->num_entries,
+ ret = sds_struct_read(SDS_SCP_AP_REGION_ID,
+ SDS_ISOLATED_CPU_LIST_ID, 0, &list->num_entries,
sizeof(list->num_entries), SDS_ACCESS_MODE_CACHED);
if (ret != SDS_OK) {
INFO("SDS CPU num elements read failed, error: %d\n", ret);
@@ -54,7 +55,8 @@
return;
}
- ret = sds_struct_read(SDS_ISOLATED_CPU_LIST_ID,
+ ret = sds_struct_read(SDS_SCP_AP_REGION_ID,
+ SDS_ISOLATED_CPU_LIST_ID,
sizeof(list->num_entries),
&list->mpid_list,
sizeof(list->mpid_list[0]) * list->num_entries,
@@ -152,4 +154,3 @@
return arm_get_next_bl_params();
}
-
diff --git a/plat/arm/css/sgi/sgi_plat.c b/plat/arm/css/sgi/sgi_plat.c
index 01b426e..fe64d34 100644
--- a/plat/arm/css/sgi/sgi_plat.c
+++ b/plat/arm/css/sgi/sgi_plat.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2018-2023, Arm Limited and Contributors. All rights reserved.
+ * Copyright (c) 2018-2024, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -11,6 +11,8 @@
#include <common/bl_common.h>
#include <common/debug.h>
#include <drivers/arm/ccn.h>
+#include <drivers/arm/css/sds.h>
+#include <lib/utils_def.h>
#include <plat/arm/common/plat_arm.h>
#include <plat/common/platform.h>
#include <drivers/arm/sbsa.h>
@@ -174,3 +176,14 @@
{
sbsa_wdog_stop(SBSA_SECURE_WDOG_BASE);
}
+
+static sds_region_desc_t sgi_sds_regions[] = {
+ { .base = PLAT_ARM_SDS_MEM_BASE },
+};
+
+sds_region_desc_t *plat_sds_get_regions(unsigned int *region_count)
+{
+ *region_count = ARRAY_SIZE(sgi_sds_regions);
+
+ return sgi_sds_regions;
+}
diff --git a/plat/arm/css/sgi/sgi_plat_v2.c b/plat/arm/css/sgi/sgi_plat_v2.c
index 624fed3..d241f70 100644
--- a/plat/arm/css/sgi/sgi_plat_v2.c
+++ b/plat/arm/css/sgi/sgi_plat_v2.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2021-2023, ARM Limited and Contributors. All rights reserved.
+ * Copyright (c) 2021-2024, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
@@ -8,9 +8,11 @@
#include <platform_def.h>
+#include <lib/utils_def.h>
+#include <drivers/arm/css/sds.h>
+#include <drivers/arm/sbsa.h>
#include <plat/arm/common/plat_arm.h>
#include <plat/common/platform.h>
-#include <drivers/arm/sbsa.h>
#if SPM_MM
#include <services/spm_mm_partition.h>
@@ -176,3 +178,14 @@
{
sbsa_wdog_stop(SBSA_SECURE_WDOG_BASE);
}
+
+static sds_region_desc_t sgi_sds_regions[] = {
+ { .base = PLAT_ARM_SDS_MEM_BASE },
+};
+
+sds_region_desc_t *plat_sds_get_regions(unsigned int *region_count)
+{
+ *region_count = ARRAY_SIZE(sgi_sds_regions);
+
+ return sgi_sds_regions;
+}