refactor(plat/nxp): refine api to read SVR register
1. Refined struct soc_info_t definition.
2. Refined get_soc_info function.
3. Fixed some SVR persernality value.
4. Refined API to get cluster numbers and cores per cluster.
Signed-off-by: Jiafei Pan <Jiafei.Pan@nxp.com>
Change-Id: I3c20611a523516cc63330dce4c925e6cda1e93c4
diff --git a/plat/nxp/common/setup/include/plat_common.h b/plat/nxp/common/setup/include/plat_common.h
index 18d36ca..97a9cb7 100644
--- a/plat/nxp/common/setup/include/plat_common.h
+++ b/plat/nxp/common/setup/include/plat_common.h
@@ -1,5 +1,5 @@
/*
- * Copyright 2018-2020 NXP
+ * Copyright 2018-2021 NXP
*
* SPDX-License-Identifier: BSD-3-Clause
*
@@ -10,7 +10,9 @@
#include <stdbool.h>
+#include <dcfg.h>
#include <lib/el3_runtime/cpu_data.h>
+
#include <platform_def.h>
#ifdef IMAGE_BL31
@@ -129,18 +131,19 @@
#endif
);
-
/* Structure to define SoC personality */
struct soc_type {
char name[10];
- uint32_t personality;
- uint32_t num_clusters;
- uint32_t cores_per_cluster;
+ uint32_t version;
+ uint8_t num_clusters;
+ uint8_t cores_per_cluster;
};
+void get_cluster_info(const struct soc_type *soc_list, uint8_t ps_count,
+ uint8_t *num_clusters, uint8_t *cores_per_cluster);
#define SOC_ENTRY(n, v, ncl, nc) { \
.name = #n, \
- .personality = SVR_##v, \
+ .version = SVR_##v, \
.num_clusters = (ncl), \
.cores_per_cluster = (nc)}
diff --git a/plat/nxp/common/setup/ls_common.c b/plat/nxp/common/setup/ls_common.c
index a6946e1..e7ae060 100644
--- a/plat/nxp/common/setup/ls_common.c
+++ b/plat/nxp/common/setup/ls_common.c
@@ -1,5 +1,5 @@
/*
- * Copyright 2018-2020 NXP
+ * Copyright 2018-2021 NXP
*
* SPDX-License-Identifier: BSD-3-Clause
*
@@ -238,3 +238,27 @@
{
return plat_ls_mmap;
}
+
+/*
+ * This function get the number of clusters and cores count per cluster
+ * in the SoC.
+ */
+void get_cluster_info(const struct soc_type *soc_list, uint8_t ps_count,
+ uint8_t *num_clusters, uint8_t *cores_per_cluster)
+{
+ const soc_info_t *soc_info = get_soc_info();
+ *num_clusters = NUMBER_OF_CLUSTERS;
+ *cores_per_cluster = CORES_PER_CLUSTER;
+ unsigned int i;
+
+ for (i = 0U; i < ps_count; i++) {
+ if (soc_list[i].version == soc_info->svr_reg.bf_ver.version) {
+ *num_clusters = soc_list[i].num_clusters;
+ *cores_per_cluster = soc_list[i].cores_per_cluster;
+ break;
+ }
+ }
+
+ VERBOSE("NUM of cluster = 0x%x, Cores per cluster = 0x%x\n",
+ *num_clusters, *cores_per_cluster);
+}