#include <arch_helpers.h>
#include <common/debug.h>
#include <drivers/arm/css/css_scp.h>
+#include <drivers/arm/css/sds.h>
#include <drivers/delay_timer.h>
#include <plat/common/platform.h>
#include <platform_def.h>
-#include "../sds/sds.h"
-
int css_scp_boot_image_xfer(void *image, unsigned int image_size)
{
int ret;
--- /dev/null
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <drivers/arm/css/sds.h>
+#include <platform_def.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
--- /dev/null
+/*
+ * Copyright (c) 2017, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <arch.h>
+#include <asm_macros.S>
+#include <drivers/arm/css/sds.h>
+#include <platform_def.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
--- /dev/null
+/*
+ * 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 <drivers/arm/css/sds.h>
+#include <platform_def.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;
+}
--- /dev/null
+/*
+ * 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 */
--- /dev/null
+/*
+ * 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 */
#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)
# 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
${JUNO_SECURITY_SOURCES}
ifeq (${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
ifeq (${CSS_USE_SCMI_SDS_DRIVER},1)
BL2U_SOURCES += drivers/arm/css/scp/css_sds.c \
- plat/arm/css/drivers/sds/sds.c
+ drivers/arm/css/sds/sds.c
BL2_SOURCES += drivers/arm/css/scp/css_sds.c \
- plat/arm/css/drivers/sds/sds.c
+ drivers/arm/css/sds/sds.c
else
BL2U_SOURCES += drivers/arm/css/mhu/css_mhu.c \
drivers/arm/css/scp/css_bom_bootloader.c \
endif
ifeq (${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
+++ /dev/null
-/*
- * 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
+++ /dev/null
-/*
- * 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
+++ /dev/null
-/*
- * 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;
-}
+++ /dev/null
-/*
- * 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 */
+++ /dev/null
-/*
- * 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 */
projects / project / bcm63xx / atf.git / commitdiff