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Merge changes from topic "DPE" into integration

Browse source 
* 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
This commit is contained in:
Manish V Badarkhe 2024-02-14 10:34:19 +01:00 • committed by TrustedFirmware Code Review
commit 514d022fda
23 changed files with 254 additions and 91 deletions
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16
drivers/arm/css/scp/css_sds.c
View file

@ -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 css_scp_boot_image_xfer(void *image, unsigned int image_size)
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 @@ int css_scp_boot_image_xfer(void *image, unsigned int image_size)
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 @@ int css_scp_boot_image_xfer(void *image, unsigned int image_size)
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 @@ int css_scp_boot_ready(void)
/* 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);

83
drivers/arm/css/sds/sds.c
View file

@ -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 @@ static int sds_struct_is_valid(uintptr_t header)
* 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 @@ static int validate_sds_struct_headers(void)
/* 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 @@ static int validate_sds_struct_headers(void)
* 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 @@ static int get_struct_header(uint32_t structure_id, struct_header_t **header)
* 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 @@ int sds_struct_exists(unsigned int structure_id)
* 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 @@ int sds_struct_read(uint32_t structure_id, unsigned int fld_off,
* 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 @@ int sds_struct_write(uint32_t structure_id, unsigned int fld_off,
/*
* 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 @@ int sds_init(void)
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;

35
include/drivers/arm/css/sds.h
View file

@ -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 @@ typedef enum {
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 */

3
include/plat/arm/css/common/css_def.h
View file

@ -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 */

12
plat/arm/board/juno/include/platform_def.h
View file

@ -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

7
plat/arm/board/juno/juno_bl1_setup.c
View file

@ -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 @@ static int is_watchdog_reset(void)
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,

19
plat/arm/board/juno/juno_common.c
View file

@ -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 @@ int32_t plat_get_soc_revision(void)
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 */

6
plat/arm/board/morello/include/platform_def.h
View file

@ -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

7
plat/arm/board/morello/morello_bl2_setup.c
View file

@ -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 @@ void bl2_platform_setup(void)
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,

7
plat/arm/board/morello/morello_bl31_setup.c
View file

@ -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 @@ void bl31_platform_setup(void)
#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,

11
plat/arm/board/morello/morello_image_load.c
View file

@ -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 @@ bl_params_t *plat_get_next_bl_params(void)
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 @@ bl_params_t *plat_get_next_bl_params(void)
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,

17
plat/arm/board/morello/morello_plat.c
View file

@ -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 @@ void plat_arm_secure_wdt_stop(void)
{
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 */

6
plat/arm/board/n1sdp/include/platform_def.h
View file

@ -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

8
plat/arm/board/n1sdp/n1sdp_bl2_setup.c
View file

@ -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 @@ void bl2_platform_setup(void)
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,

7
plat/arm/board/n1sdp/n1sdp_bl31_setup.c
View file

@ -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 @@ void bl31_platform_setup(void)
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,

8
plat/arm/board/n1sdp/n1sdp_image_load.c
View file

@ -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 @@ bl_params_t *plat_get_next_bl_params(void)
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,

17
plat/arm/board/n1sdp/n1sdp_plat.c
View file

@ -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 @@ void plat_arm_secure_wdt_stop(void)
{
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 */

13
plat/arm/board/tc/include/platform_def.h
View file

@ -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)

16
plat/arm/board/tc/tc_plat.c
View file

@ -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 @@ void plat_arm_secure_wdt_refresh(void)
{
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;
}

4
plat/arm/css/sgi/include/sgi_base_platform_def.h
View file

@ -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)

11
plat/arm/css/sgi/sgi_image_load.c
View file

@ -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 @@ void plat_arm_sgi_get_isolated_cpu_list(struct isolated_cpu_mpid_list *list)
{
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 @@ void plat_arm_sgi_get_isolated_cpu_list(struct isolated_cpu_mpid_list *list)
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 @@ bl_params_t *plat_get_next_bl_params(void)
return arm_get_next_bl_params();
}

15
plat/arm/css/sgi/sgi_plat.c
View file

@ -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 @@ void plat_arm_secure_wdt_stop(void)
{
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;
}

17
plat/arm/css/sgi/sgi_plat_v2.c
View file

@ -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 @@ void plat_arm_secure_wdt_stop(void)
{
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;
}