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/*
* Arm SCP/MCP Software
* Copyright (c) 2017-2019, Arm Limited and Contributors. All rights reserved.
*
* SPDX-License-Identifier: BSD-3-Clause
*/
#include <string.h>
#include <stdio.h>
#include <fwk_assert.h>
#include <fwk_element.h>
#include <fwk_macros.h>
#include <fwk_mm.h>
#include <fwk_module.h>
#include <fwk_module_idx.h>
#include <mod_cmn600.h>
#include <mod_power_domain.h>
#include <mod_ppu_v1.h>
#include <rdn1e1_core.h>
#include <scp_rdn1e1_irq.h>
#include <scp_rdn1e1_mmap.h>
#include <config_power_domain.h>
/* Maximum PPU core name size including the null terminator */
#define PPU_CORE_NAME_SIZE 12
/* Maximum PPU cluster name size including the null terminator */
#define PPU_CLUS_NAME_SIZE 6
/* Lookup table for translating cluster indicies into CMN600 node IDs */
static const unsigned int cluster_idx_to_node_id[] = {76, 32};
/* Module configuration data */
static struct mod_ppu_v1_config ppu_v1_config_data = {
.pd_notification_id = FWK_ID_NOTIFICATION_INIT(
FWK_MODULE_IDX_POWER_DOMAIN,
MOD_PD_NOTIFICATION_IDX_POWER_STATE_TRANSITION),
};
static struct fwk_element ppu_v1_system_element_table[] = {
[0] = {
.name = "SYS0",
.data = &((struct mod_ppu_v1_pd_config) {
.pd_type = MOD_PD_TYPE_SYSTEM,
.ppu.reg_base = SCP_PPU_SYS0_BASE,
.observer_id = FWK_ID_NONE_INIT,
}),
},
[1] = {
.name = "SYS1",
.data = &((struct mod_ppu_v1_pd_config) {
.pd_type = MOD_PD_TYPE_SYSTEM,
.ppu.reg_base = SCP_PPU_SYS1_BASE,
.observer_id = FWK_ID_NONE_INIT,
}),
},
};
static const struct fwk_element *ppu_v1_get_element_table(fwk_id_t module_id)
{
struct fwk_element *element_table, *element;
struct mod_ppu_v1_pd_config *pd_config_table, *pd_config;
unsigned int core_idx;
unsigned int cluster_idx;
unsigned int core_count;
unsigned int cluster_count;
unsigned int core_element_count = 0;
core_count = rdn1e1_core_get_core_count();
cluster_count = rdn1e1_core_get_cluster_count();
assert(cluster_count == FWK_ARRAY_SIZE(cluster_idx_to_node_id));
/*
* Allocate element descriptors based on:
* Number of cores
* + Number of cluster descriptors
* + Number of system power domain descriptors
* + 1 terminator descriptor
*/
element_table = fwk_mm_calloc(core_count + cluster_count +
FWK_ARRAY_SIZE(ppu_v1_system_element_table) + 1,
sizeof(struct fwk_element));
if (element_table == NULL)
return NULL;
pd_config_table = fwk_mm_calloc(core_count + cluster_count,
sizeof(struct mod_ppu_v1_pd_config));
if (pd_config_table == NULL)
return NULL;
for (cluster_idx = 0; cluster_idx < cluster_count; cluster_idx++) {
for (core_idx = 0;
core_idx < rdn1e1_core_get_core_per_cluster_count(cluster_idx);
core_idx++) {
element = &element_table[core_element_count];
pd_config = &pd_config_table[core_element_count];
element->name = fwk_mm_alloc(PPU_CORE_NAME_SIZE, 1);
if (element->name == NULL)
return NULL;
snprintf((char *)element->name, PPU_CORE_NAME_SIZE, "CLUS%uCORE%u",
cluster_idx, core_idx);
element->data = pd_config;
pd_config->pd_type = MOD_PD_TYPE_CORE;
pd_config->ppu.reg_base = SCP_PPU_CORE_BASE(cluster_idx, core_idx);
pd_config->ppu.irq = FWK_INTERRUPT_NONE;
pd_config->cluster_id =
FWK_ID_ELEMENT(FWK_MODULE_IDX_PPU_V1,
(core_count + cluster_idx));
pd_config->observer_id = FWK_ID_NONE;
core_element_count++;
}
element = &element_table[core_count + cluster_idx];
pd_config = &pd_config_table[core_count + cluster_idx];
element->name = fwk_mm_alloc(PPU_CLUS_NAME_SIZE, 1);
if (element->name == NULL)
return NULL;
snprintf((char *)element->name, PPU_CLUS_NAME_SIZE, "CLUS%u",
cluster_idx);
element->data = pd_config;
pd_config->pd_type = MOD_PD_TYPE_CLUSTER;
pd_config->ppu.reg_base = SCP_PPU_CLUSTER_BASE(cluster_idx);
pd_config->ppu.irq = FWK_INTERRUPT_NONE;
pd_config->observer_id = fwk_module_id_cmn600;
pd_config->observer_api = FWK_ID_API(FWK_MODULE_IDX_CMN600,
MOD_CMN600_API_IDX_PPU_OBSERVER);
pd_config->post_ppu_on_param =
(void *)&cluster_idx_to_node_id[cluster_idx];
}
memcpy(&element_table[core_count + cluster_count],
ppu_v1_system_element_table,
sizeof(ppu_v1_system_element_table));
/*
* Configure pd_source_id with the SYSTOP identifier from the power domain
* module which is dynamically defined based on the number of cores.
*/
ppu_v1_config_data.pd_source_id = fwk_id_build_element_id(
fwk_module_id_power_domain,
core_count + PD_STATIC_DEV_IDX_SYSTOP);
return element_table;
}
/*
* Power module configuration data
*/
const struct fwk_module_config config_ppu_v1 = {
.get_element_table = ppu_v1_get_element_table,
.data = &ppu_v1_config_data,
};
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