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| author | Joshua Yeong <joshua.yeong@starfivetech.com> | 2025-10-13 23:31:36 +0800 |
|---|---|---|
| committer | Anup Patel <anup@brainfault.org> | 2025-11-04 10:32:57 +0530 |
| commit | fa911ebe72ec9f8b82947ebc99daf1d0ec2f53e2 (patch) | |
| tree | 218beaa02a8d8f1ac5294dfb26fbffd8810ea977 /lib | |
| parent | 0250db4dad85248c08a53df4056634dac5ed7169 (diff) | |
| download | opensbi-fa911ebe72ec9f8b82947ebc99daf1d0ec2f53e2.zip opensbi-fa911ebe72ec9f8b82947ebc99daf1d0ec2f53e2.tar.gz opensbi-fa911ebe72ec9f8b82947ebc99daf1d0ec2f53e2.tar.bz2 | |
lib: utils: Add MPXY RPMI mailbox driver for voltage
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>
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/utils/mpxy/Kconfig | 4 | ||||
| -rw-r--r-- | lib/utils/mpxy/fdt_mpxy_rpmi_voltage.c | 77 | ||||
| -rw-r--r-- | lib/utils/mpxy/objects.mk | 3 |
3 files changed, 84 insertions, 0 deletions
diff --git a/lib/utils/mpxy/Kconfig b/lib/utils/mpxy/Kconfig index 8d1f518..f720af2 100644 --- a/lib/utils/mpxy/Kconfig +++ b/lib/utils/mpxy/Kconfig @@ -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 diff --git a/lib/utils/mpxy/fdt_mpxy_rpmi_voltage.c b/lib/utils/mpxy/fdt_mpxy_rpmi_voltage.c new file mode 100644 index 0000000..9067397 --- /dev/null +++ b/lib/utils/mpxy/fdt_mpxy_rpmi_voltage.c @@ -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, +}; diff --git a/lib/utils/mpxy/objects.mk b/lib/utils/mpxy/objects.mk index 5b6e9bd..a71c56a 100644 --- a/lib/utils/mpxy/objects.mk +++ b/lib/utils/mpxy/objects.mk @@ -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 |