Mirrors/opensbi
4
0
Fork 1
mirror of https://github.com/riscv-software-src/opensbi.git synced 2025-11-22 19:01:33 +00:00
Code Issues Packages Projects Releases Wiki Activity

lib: utils: Add MPXY RPMI mailbox driver for voltage

Browse Source 
Add voltage service group for RPMI/MPXY support

Signed-off-by: Joshua Yeong <joshua.yeong@starfivetech.com>
Reviewed-by: Rahul Pathak <rpathak@ventanamicro.com>
Link: https://lore.kernel.org/r/20251013153138.1574512-2-joshua.yeong@starfivetech.com
Signed-off-by: Anup Patel <anup@brainfault.org>
This commit is contained in:
Joshua Yeong
2025-10-13 23:31:36 +08:00
committed by Anup Patel
parent 0250db4dad
commit fa911ebe72
5 changed files with 166 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
lib/utils/mpxy/Kconfig
View File

@@ -22,6 +22,10 @@ config FDT_MPXY_RPMI_SYSMSI
bool "MPXY driver for RPMI system MSI service group"
default n
config FDT_MPXY_RPMI_VOLTAGE
bool "MPXY driver for RPMI voltage service group"
default n
endif
endmenu

77
lib/utils/mpxy/fdt_mpxy_rpmi_voltage.c Normal file
View File

@@ -0,0 +1,77 @@
#include <sbi_utils/mpxy/fdt_mpxy_rpmi_mbox.h>
static struct mpxy_rpmi_service_data voltage_services[] = {
{
.id = RPMI_VOLTAGE_SRV_ENABLE_NOTIFICATION,
.min_tx_len = sizeof(struct rpmi_enable_notification_req),
.max_tx_len = sizeof(struct rpmi_enable_notification_req),
.min_rx_len = sizeof(struct rpmi_enable_notification_resp),
.max_rx_len = sizeof(struct rpmi_enable_notification_resp),
},
{
.id = RPMI_VOLTAGE_SRV_GET_NUM_DOMAINS,
.min_tx_len = 0,
.max_tx_len = 0,
.min_rx_len = sizeof(struct rpmi_voltage_get_num_domains_resp),
.max_rx_len = sizeof(struct rpmi_voltage_get_num_domains_resp),
},
{
.id = RPMI_VOLTAGE_SRV_GET_ATTRIBUTES,
.min_tx_len = sizeof(struct rpmi_voltage_get_attributes_req),
.max_tx_len = sizeof(struct rpmi_voltage_get_attributes_req),
.min_rx_len = sizeof(struct rpmi_voltage_get_attributes_resp),
.max_rx_len = sizeof(struct rpmi_voltage_get_attributes_resp),
},
{
.id = RPMI_VOLTAGE_SRV_GET_SUPPORTED_LEVELS,
.min_tx_len = sizeof(struct rpmi_voltage_get_supported_rate_req),
.max_tx_len = sizeof(struct rpmi_voltage_get_supported_rate_req),
.min_rx_len = sizeof(struct rpmi_voltage_get_supported_rate_resp),
.max_rx_len = -1U,
},
{
.id = RPMI_VOLTAGE_SRV_SET_CONFIG,
.min_tx_len = sizeof(struct rpmi_voltage_set_config_req),
.max_tx_len = sizeof(struct rpmi_voltage_set_config_req),
.min_rx_len = sizeof(struct rpmi_voltage_set_config_resp),
.max_rx_len = sizeof(struct rpmi_voltage_set_config_resp),
},
{
.id = RPMI_VOLTAGE_SRV_GET_CONFIG,
.min_tx_len = sizeof(struct rpmi_voltage_get_config_req),
.max_tx_len = sizeof(struct rpmi_voltage_get_config_req),
.min_rx_len = sizeof(struct rpmi_voltage_get_config_resp),
.max_rx_len = sizeof(struct rpmi_voltage_get_config_resp),
},
{
.id = RPMI_VOLTAGE_SRV_SET_LEVEL,
.min_tx_len = sizeof(struct rpmi_voltage_set_level_req),
.max_tx_len = sizeof(struct rpmi_voltage_set_level_req),
.min_rx_len = sizeof(struct rpmi_voltage_set_level_resp),
.max_rx_len = sizeof(struct rpmi_voltage_set_level_resp),
},
{
.id = RPMI_VOLTAGE_SRV_GET_LEVEL,
.min_tx_len = sizeof(struct rpmi_voltage_get_level_req),
.max_tx_len = sizeof(struct rpmi_voltage_get_level_req),
.min_rx_len = sizeof(struct rpmi_voltage_get_level_resp),
.max_rx_len = sizeof(struct rpmi_voltage_get_level_resp),
},
};
static const struct mpxy_rpmi_mbox_data voltage_data = {
.servicegrp_id = RPMI_SRVGRP_VOLTAGE,
.num_services = RPMI_VOLTAGE_SRV_MAX_COUNT,
.service_data = voltage_services,
};
static const struct fdt_match voltage_match[] = {
{ .compatible = "riscv,rpmi-mpxy-voltage", .data = &voltage_data },
{ },
};
const struct fdt_driver fdt_mpxy_rpmi_voltage = {
.experimental = true,
.match_table = voltage_match,
.init = mpxy_rpmi_mbox_init,
};

3
lib/utils/mpxy/objects.mk
View File

@@ -17,3 +17,6 @@ libsbiutils-objs-$(CONFIG_FDT_MPXY_RPMI_CLOCK) += mpxy/fdt_mpxy_rpmi_clock.o
carray-fdt_mpxy_drivers-$(CONFIG_FDT_MPXY_RPMI_SYSMSI) += fdt_mpxy_rpmi_sysmsi
libsbiutils-objs-$(CONFIG_FDT_MPXY_RPMI_SYSMSI) += mpxy/fdt_mpxy_rpmi_sysmsi.o
carray-fdt_mpxy_drivers-$(CONFIG_FDT_MPXY_RPMI_VOLTAGE) += fdt_mpxy_rpmi_voltage
libsbiutils-objs-$(CONFIG_FDT_MPXY_RPMI_VOLTAGE) += mpxy/fdt_mpxy_rpmi_voltage.o