In case of R5 SPL, GET_RANGE API service is not available (as DM services are not yet up), therefore service such calls locally using per SoC static data.
Signed-off-by: Vignesh Raghavendra vigneshr@ti.com --- drivers/firmware/ti_sci.c | 36 +++++++++++ drivers/firmware/ti_sci_static_data.h | 92 +++++++++++++++++++++++++++ 2 files changed, 128 insertions(+) create mode 100644 drivers/firmware/ti_sci_static_data.h
diff --git a/drivers/firmware/ti_sci.c b/drivers/firmware/ti_sci.c index 2aec2e34d3..c27fbc682a 100644 --- a/drivers/firmware/ti_sci.c +++ b/drivers/firmware/ti_sci.c @@ -23,6 +23,7 @@ #include <linux/soc/ti/ti_sci_protocol.h>
#include "ti_sci.h" +#include "ti_sci_static_data.h"
/* List of all TI SCI devices active in system */ static LIST_HEAD(ti_sci_list); @@ -1667,6 +1668,33 @@ fail: return ret; }
+static int __maybe_unused +ti_sci_get_resource_range_static(u32 dev_id, u8 subtype, u16 *range_start, + u16 *range_num) +{ + struct ti_sci_resource_static_data *data; + int i = 0; + + while (1) { + data = &rm_static_data[i]; + + if (!data->dev_id) + return -EINVAL; + + if (data->dev_id != dev_id || data->subtype != subtype) { + i++; + continue; + } + + *range_start = data->range_start; + *range_num = data->range_num; + + return 0; + } + + return -EINVAL; +} + /** * ti_sci_cmd_get_resource_range - Get a range of resources assigned to host * that is same as ti sci interface host. @@ -1683,6 +1711,11 @@ static int ti_sci_cmd_get_resource_range(const struct ti_sci_handle *handle, u32 dev_id, u8 subtype, u16 *range_start, u16 *range_num) { + if (CONFIG_IS_ENABLED(TI_K3_RAW_RM)) + return ti_sci_get_resource_range_static(dev_id, subtype, + range_start, + range_num); + return ti_sci_get_resource_range(handle, dev_id, subtype, TI_SCI_IRQ_SECONDARY_HOST_INVALID, range_start, range_num); @@ -1706,6 +1739,9 @@ int ti_sci_cmd_get_resource_range_from_shost(const struct ti_sci_handle *handle, u32 dev_id, u8 subtype, u8 s_host, u16 *range_start, u16 *range_num) { + if (CONFIG_IS_ENABLED(TI_K3_RAW_RM)) + return -EINVAL; + return ti_sci_get_resource_range(handle, dev_id, subtype, s_host, range_start, range_num); } diff --git a/drivers/firmware/ti_sci_static_data.h b/drivers/firmware/ti_sci_static_data.h new file mode 100644 index 0000000000..2816cb2827 --- /dev/null +++ b/drivers/firmware/ti_sci_static_data.h @@ -0,0 +1,92 @@ +/* SPDX-License-Identifier: BSD-3-Clause */ +/* + * Copyright (C) 2021 Texas Instruments Incorporated - http://www.ti.com/ + * + */ + +#ifndef __TI_SCI_STATIC_DATA_H +#define __TI_SCI_STATIC_DATA_H + +struct ti_sci_resource_static_data { + u32 dev_id; + u16 range_start; + u16 range_num; + u8 subtype; +}; + +#if IS_ENABLED(CONFIG_K3_DM_FW) + +#ifdef CONFIG_TARGET_J721E_R5_EVM +static struct ti_sci_resource_static_data rm_static_data[] = { + /* Free rings */ + { + .dev_id = 235, + .subtype = 1, + .range_start = 124, + .range_num = 32, + }, + /* TX channels */ + { + .dev_id = 236, + .subtype = 13, + .range_start = 6, + .range_num = 2, + }, + /* RX channels */ + { + .dev_id = 236, + .subtype = 10, + .range_start = 6, + .range_num = 2, + }, + /* RX Free flows */ + { + .dev_id = 236, + .subtype = 0, + .range_start = 60, + .range_num = 8, + }, + { }, +}; +#endif /* CONFIG_TARGET_J721E_R5_EVM */ + +#ifdef CONFIG_TARGET_J7200_R5_EVM +static struct ti_sci_resource_static_data rm_static_data[] = { + /* Free rings */ + { + .dev_id = 235, + .subtype = 1, + .range_start = 144, + .range_num = 32, + }, + /* TX channels */ + { + .dev_id = 236, + .subtype = 13, + .range_start = 7, + .range_num = 2, + }, + /* RX channels */ + { + .dev_id = 236, + .subtype = 10, + .range_start = 7, + .range_num = 2, + }, + /* RX Free flows */ + { + .dev_id = 236, + .subtype = 0, + .range_start = 60, + .range_num = 8, + }, + { }, +}; +#endif /* CONFIG_TARGET_J7200_R5_EVM */ + +#else +static struct ti_sci_resource_static_data rm_static_data[] = { + { }, +}; +#endif /* CONFIG_K3_DM_FW */ +#endif /* __TI_SCI_STATIC_DATA_H */