SPM: Remove SP memory mappings definitions

This information is retrieved from the resource description now.

Change-Id: Iaae23945eb2c45305cdc6442853e42f4e04fe094
Co-authored-by: Sandrine Bailleux <sandrine.bailleux@arm.com>
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>

include/plat/arm/common/arm_spm_def.h

@@ -27,6 +27,9 @@
 						ARM_SP_IMAGE_SIZE,		\
 						MT_MEMORY | MT_RW | MT_SECURE)
 #endif
+
+#if SPM_DEPRECATED
+
 #ifdef IMAGE_BL31
 /* SPM Payload memory. Mapped as code in S-EL1 */
 #define ARM_SP_IMAGE_MMAP		MAP_REGION2(				\
@@ -96,6 +99,8 @@
 /* Total number of memory regions with distinct properties */
 #define ARM_SP_IMAGE_NUM_MEM_REGIONS	6
 
+#endif /* SPM_DEPRECATED */
+
 /* Cookies passed to the Secure Partition at boot. Not used by ARM platforms. */
 #define PLAT_SPM_COOKIE_0		ULL(0)
 #define PLAT_SPM_COOKIE_1		ULL(0)

include/plat/arm/common/plat_arm.h

@@ -37,7 +37,7 @@ typedef struct arm_tzc_regions_info {
  *   - Region 1 with secure access only;
  *   - the remaining DRAM regions access from the given Non-Secure masters.
  ******************************************************************************/
-#if ENABLE_SPM
+#if ENABLE_SPM && SPM_DEPRECATED
 #define ARM_TZC_REGIONS_DEF						\
 	{ARM_AP_TZC_DRAM1_BASE, ARM_EL3_TZC_DRAM1_END,			\
 		TZC_REGION_S_RDWR, 0},					\

plat/arm/board/fvp/fvp_common.c

@@ -124,13 +124,13 @@ const mmap_region_t plat_arm_mmap[] = {
 	MAP_DEVICE0,
 	MAP_DEVICE1,
 	ARM_V2M_MAP_MEM_PROTECT,
-#if ENABLE_SPM
+#if ENABLE_SPM && SPM_DEPRECATED
 	ARM_SPM_BUF_EL3_MMAP,
 #endif
 	{0}
 };
 
-#if ENABLE_SPM && defined(IMAGE_BL31)
+#if ENABLE_SPM && defined(IMAGE_BL31) && SPM_DEPRECATED
 const mmap_region_t plat_arm_secure_partition_mmap[] = {
 	V2M_MAP_IOFPGA_EL0, /* for the UART */
 	MAP_REGION_FLAT(DEVICE0_BASE,				\
@@ -232,7 +232,6 @@ const struct secure_partition_boot_info *plat_get_secure_partition_boot_info(
 {
 	return &plat_arm_secure_partition_boot_info;
 }
-
 #endif
 
 /*******************************************************************************

services/std_svc/spm/sp_setup.c

@@ -13,7 +13,6 @@
 #include <debug.h>
 #include <platform_def.h>
 #include <platform.h>
-#include <secure_partition.h>
 #include <string.h>
 #include <xlat_tables_v2.h>
 
@@ -39,57 +38,24 @@ void spm_sp_setup(sp_context_t *sp_ctx)
 	ep_info.spsr = SPSR_64(MODE_EL0, MODE_SP_EL0, DISABLE_ALL_EXCEPTIONS);
 
 	/*
-	 * X0: Virtual address of a buffer shared between EL3 and Secure EL0.
-	 *     The buffer will be mapped in the Secure EL1 translation regime
-	 *     with Normal IS WBWA attributes and RO data and Execute Never
-	 *     instruction access permissions.
-	 *
-	 * X1: Size of the buffer in bytes
-	 *
+	 * X0: Unused (MBZ).
+	 * X1: Unused (MBZ).
 	 * X2: cookie value (Implementation Defined)
-	 *
 	 * X3: cookie value (Implementation Defined)
-	 *
 	 * X4 to X7 = 0
 	 */
-	ep_info.args.arg0 = PLAT_SPM_BUF_BASE;
-	ep_info.args.arg1 = PLAT_SPM_BUF_SIZE;
+	ep_info.args.arg0 = 0;
+	ep_info.args.arg1 = 0;
 	ep_info.args.arg2 = PLAT_SPM_COOKIE_0;
 	ep_info.args.arg3 = PLAT_SPM_COOKIE_1;
 
 	cm_setup_context(ctx, &ep_info);
 
-	/*
-	 * SP_EL0: A non-zero value will indicate to the SP that the SPM has
-	 * initialized the stack pointer for the current CPU through
-	 * implementation defined means. The value will be 0 otherwise.
-	 */
-	write_ctx_reg(get_gpregs_ctx(ctx), CTX_GPREG_SP_EL0,
-			PLAT_SP_IMAGE_STACK_BASE + PLAT_SP_IMAGE_STACK_PCPU_SIZE);
-
 	/*
 	 * Setup translation tables
 	 * ------------------------
 	 */
 
-#if ENABLE_ASSERTIONS
-
-	/* Get max granularity supported by the platform. */
-	unsigned int max_granule = xlat_arch_get_max_supported_granule_size();
-
-	VERBOSE("Max translation granule size supported: %u KiB\n",
-		max_granule / 1024U);
-
-	unsigned int max_granule_mask = max_granule - 1U;
-
-	/* Base must be aligned to the max granularity */
-	assert((ARM_SP_IMAGE_NS_BUF_BASE & max_granule_mask) == 0);
-
-	/* Size must be a multiple of the max granularity */
-	assert((ARM_SP_IMAGE_NS_BUF_SIZE & max_granule_mask) == 0);
-
-#endif /* ENABLE_ASSERTIONS */
-
 	/* This region contains the exception vectors used at S-EL1. */
 	const mmap_region_t sel1_exception_vectors =
 		MAP_REGION_FLAT(SPM_SHIM_EXCEPTIONS_START,

services/std_svc/spm/sp_xlat.c

@@ -10,7 +10,6 @@
 #include <errno.h>
 #include <platform_def.h>
 #include <platform.h>
-#include <secure_partition.h>
 #include <spm_svc.h>
 #include <xlat_tables_v2.h>
 

services/std_svc/spm/spm_main.c

@@ -14,7 +14,6 @@
 #include <mm_svc.h>
 #include <platform.h>
 #include <runtime_svc.h>
-#include <secure_partition.h>
 #include <smccc.h>
 #include <smccc_helpers.h>
 #include <spinlock.h>