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RAS: SGI575: Add platform specific RAS changes 

Add platform specific changes needed to add support for the RAS
feature on SGI575 platform, including adding a mapping for the
CPER buffer being used on SGI575 platform.

Change-Id: I01a982e283609b5c48661307906346fa2738a43b
Signed-off-by: Sughosh Ganu <sughosh.ganu@arm.com>
This commit is contained in:
Sughosh Ganu 2018-05-16 17:26:40 +05:30
parent 485fc95443
commit 167dae4dc6
3 changed files with 79 additions and 4 deletions
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40
plat/arm/css/sgi/include/platform_def.h
View File

@ -15,6 +15,7 @@
#include <css_def.h>
#include <soc_css_def.h>
#include <utils_def.h>
#include <xlat_tables_defs.h>
#define CSS_SGI_MAX_CPUS_PER_CLUSTER 4
@ -94,11 +95,42 @@
#if RAS_EXTENSION
/* Allocate 128KB for CPER buffers */
#define PLAT_SP_BUF_BASE ULL(0x20000)
#define PLAT_SP_BUF_BASE ULL(0x20000)
#define PLAT_ARM_SP_IMAGE_STACK_BASE (ARM_SP_IMAGE_NS_BUF_BASE + \
ARM_SP_IMAGE_NS_BUF_SIZE + \
PLAT_SP_BUF_BASE)
/* Platform specific SMC FID's used for RAS */
#define SP_DMC_ERROR_INJECT_EVENT_AARCH64 0xC4000042
#define SP_DMC_ERROR_INJECT_EVENT_AARCH32 0x84000042
#define SP_DMC_ERROR_OVERFLOW_EVENT_AARCH64 0xC4000043
#define SP_DMC_ERROR_OVERFLOW_EVENT_AARCH32 0x84000043
#define SP_DMC_ERROR_ECC_EVENT_AARCH64 0xC4000044
#define SP_DMC_ERROR_ECC_EVENT_AARCH32 0x84000044
/* ARM SDEI dynamic shared event numbers */
#define SGI_SDEI_DS_EVENT_0 804
#define SGI_SDEI_DS_EVENT_1 805
#define PLAT_ARM_PRIVATE_SDEI_EVENTS \
SDEI_DEFINE_EVENT_0(ARM_SDEI_SGI), \
SDEI_EXPLICIT_EVENT(SGI_SDEI_DS_EVENT_0, SDEI_MAPF_CRITICAL), \
SDEI_EXPLICIT_EVENT(SGI_SDEI_DS_EVENT_1, SDEI_MAPF_CRITICAL),
#define PLAT_ARM_SHARED_SDEI_EVENTS
#define ARM_SP_CPER_BUF_BASE (ARM_SP_IMAGE_NS_BUF_BASE + \
ARM_SP_IMAGE_NS_BUF_SIZE)
#define ARM_SP_CPER_BUF_SIZE ULL(0x20000)
#define ARM_SP_CPER_BUF_MMAP MAP_REGION2( \
ARM_SP_CPER_BUF_BASE, \
ARM_SP_CPER_BUF_BASE, \
ARM_SP_CPER_BUF_SIZE, \
MT_RW_DATA | MT_NS | MT_USER, \
PAGE_SIZE)
#define PLAT_ARM_SP_IMAGE_STACK_BASE (ARM_SP_IMAGE_NS_BUF_BASE + \
ARM_SP_IMAGE_NS_BUF_SIZE + \
PLAT_SP_BUF_BASE)
#else
#define PLAT_ARM_SP_IMAGE_STACK_BASE (ARM_SP_IMAGE_NS_BUF_BASE + \
ARM_SP_IMAGE_NS_BUF_SIZE)

2
plat/arm/css/sgi/sgi_plat.c
View File

@ -10,6 +10,7 @@
#include <ccn.h>
#include <debug.h>
#include <plat_arm.h>
#include <platform_def.h>
#include <platform.h>
#include <secure_partition.h>
#include "../../../../bl1/bl1_private.h"
@ -83,6 +84,7 @@ const mmap_region_t plat_arm_secure_partition_mmap[] = {
PLAT_ARM_SECURE_MAP_DEVICE,
ARM_SP_IMAGE_MMAP,
ARM_SP_IMAGE_NS_BUF_MMAP,
ARM_SP_CPER_BUF_MMAP,
ARM_SP_IMAGE_RW_MMAP,
ARM_SPM_BUF_EL0_MMAP,
{0}

41
plat/arm/css/sgi/sgi_ras.c
View File

@ -32,6 +32,47 @@ typedef struct mm_communicate_header {
uint8_t data[8];
} mm_communicate_header_t;
struct sgi_ras_ev_map sgi575_ras_map[] = {
/* DMC620 error overflow interrupt*/
{SP_DMC_ERROR_OVERFLOW_EVENT_AARCH64, SGI_SDEI_DS_EVENT_1, 33},
/* DMC620 error ECC error interrupt*/
{SP_DMC_ERROR_ECC_EVENT_AARCH64, SGI_SDEI_DS_EVENT_0, 35},
};
#define SGI575_RAS_MAP_SIZE ARRAY_SIZE(sgi575_ras_map)
struct err_record_info sgi_err_records[] = {
{
.handler = &sgi_ras_intr_handler,
},
};
struct ras_interrupt sgi_ras_interrupts[] = {
{
.intr_number = 33,
.err_record = &sgi_err_records[0],
},
{
.intr_number = 35,
.err_record = &sgi_err_records[0],
}
};
REGISTER_ERR_RECORD_INFO(sgi_err_records);
REGISTER_RAS_INTERRUPTS(sgi_ras_interrupts);
static struct sgi_ras_ev_map *plat_sgi_get_ras_ev_map(void)
{
return sgi575_ras_map;
}
static int plat_sgi_get_ras_ev_map_size(void)
{
return SGI575_RAS_MAP_SIZE;
}
/*
* Find event mapping for a given interrupt number: On success, returns pointer
* to the event mapping. On error, returns NULL.