drivers: llcc: Add LLCC driver for sdxlemur target
Add Last Level Cache Controller (LLCC) driver for sdxlemur platform. Change-Id: I5fe907c6ed6dd2863e6488dac42e0c352ca48f48 Signed-off-by: Jeevan Shriram <jshriram@codeaurora.org>
This commit is contained in:
parent
f7101cee8b
commit
c2d1b1bf9e
@ -176,6 +176,15 @@ config QCOM_LAHAINA_LLCC
|
|||||||
can start using the LLCC slices.
|
can start using the LLCC slices.
|
||||||
If unsure, say n.
|
If unsure, say n.
|
||||||
|
|
||||||
|
config QCOM_SDXLEMUR_LLCC
|
||||||
|
tristate "Qualcomm Technologies, Inc. SDXLEMUR LLCC driver"
|
||||||
|
depends on QCOM_LLCC
|
||||||
|
help
|
||||||
|
Say y or m here to enable the LLCC driver for SDXLEMUR platform.
|
||||||
|
This provides data required to configure LLCC so that clients
|
||||||
|
can start using the LLCC slices.
|
||||||
|
If unsure, say n.
|
||||||
|
|
||||||
config QCOM_SHIMA_LLCC
|
config QCOM_SHIMA_LLCC
|
||||||
tristate "Qualcomm Technologies, Inc. SHIMA LLCC driver"
|
tristate "Qualcomm Technologies, Inc. SHIMA LLCC driver"
|
||||||
depends on QCOM_LLCC
|
depends on QCOM_LLCC
|
||||||
|
@ -40,6 +40,7 @@ obj-$(CONFIG_QCOM_RUN_QUEUE_STATS) += rq_stats.o
|
|||||||
obj-$(CONFIG_QCOM_APR) += apr.o
|
obj-$(CONFIG_QCOM_APR) += apr.o
|
||||||
obj-$(CONFIG_QCOM_LLCC) += llcc-slice.o
|
obj-$(CONFIG_QCOM_LLCC) += llcc-slice.o
|
||||||
obj-$(CONFIG_QCOM_LAHAINA_LLCC) += llcc-lahaina.o
|
obj-$(CONFIG_QCOM_LAHAINA_LLCC) += llcc-lahaina.o
|
||||||
|
obj-$(CONFIG_QCOM_SDXLEMUR_LLCC) += llcc-sdxlemur.o
|
||||||
obj-$(CONFIG_QCOM_SHIMA_LLCC) += llcc-shima.o
|
obj-$(CONFIG_QCOM_SHIMA_LLCC) += llcc-shima.o
|
||||||
obj-$(CONFIG_QCOM_MINIDUMP) += msm_minidump.o minidump_log.o
|
obj-$(CONFIG_QCOM_MINIDUMP) += msm_minidump.o minidump_log.o
|
||||||
obj-$(CONFIG_QCOM_MEM_OFFLINE) += mem-offline.o
|
obj-$(CONFIG_QCOM_MEM_OFFLINE) += mem-offline.o
|
||||||
|
83
drivers/soc/qcom/llcc-sdxlemur.c
Normal file
83
drivers/soc/qcom/llcc-sdxlemur.c
Normal file
@ -0,0 +1,83 @@
|
|||||||
|
// SPDX-License-Identifier: GPL-2.0-only
|
||||||
|
/*
|
||||||
|
* Copyright (c) 2020, The Linux Foundation. All rights reserved.
|
||||||
|
*
|
||||||
|
*/
|
||||||
|
|
||||||
|
#include <linux/kernel.h>
|
||||||
|
#include <linux/module.h>
|
||||||
|
#include <linux/of.h>
|
||||||
|
#include <linux/platform_device.h>
|
||||||
|
#include <linux/soc/qcom/llcc-qcom.h>
|
||||||
|
|
||||||
|
/*
|
||||||
|
* SCT entry contains of the following parameters
|
||||||
|
* uid: Unique id for the client's use case
|
||||||
|
* slice_id: llcc slice id for each client
|
||||||
|
* max_cap: The maximum capacity of the cache slice provided in KB
|
||||||
|
* priority: Priority of the client used to select victim line for replacement
|
||||||
|
* fixed_size: Determine of the slice has a fixed capacity
|
||||||
|
* bonus_ways: Bonus ways to be used by any slice, bonus way is used only if
|
||||||
|
* it't not a reserved way.
|
||||||
|
* res_ways: Reserved ways for the cache slice, the reserved ways cannot be used
|
||||||
|
* by any other client than the one its assigned to.
|
||||||
|
* cache_mode: Each slice operates as a cache, this controls the mode of the
|
||||||
|
* slice normal or TCM
|
||||||
|
* probe_target_ways: Determines what ways to probe for access hit. When
|
||||||
|
* configured to 1 only bonus and reserved ways are probed.
|
||||||
|
* when configured to 0 all ways in llcc are probed.
|
||||||
|
* dis_cap_alloc: Disable capacity based allocation for a client
|
||||||
|
* write_scid_en: Bit enables write cache support for a given scid.
|
||||||
|
* retain_on_pc: If this bit is set and client has maitained active vote
|
||||||
|
* then the ways assigned to this client are not flushed on power
|
||||||
|
* collapse.
|
||||||
|
* activate_on_init: Activate the slice immidiately after the SCT is programmed
|
||||||
|
*/
|
||||||
|
#define SCT_ENTRY(uid, sid, mc, p, fs, bway, rway, cmod, ptw, dca, rp, a) \
|
||||||
|
{ \
|
||||||
|
.usecase_id = uid, \
|
||||||
|
.slice_id = sid, \
|
||||||
|
.max_cap = mc, \
|
||||||
|
.priority = p, \
|
||||||
|
.fixed_size = fs, \
|
||||||
|
.bonus_ways = bway, \
|
||||||
|
.res_ways = rway, \
|
||||||
|
.cache_mode = cmod, \
|
||||||
|
.probe_target_ways = ptw, \
|
||||||
|
.dis_cap_alloc = dca, \
|
||||||
|
.retain_on_pc = rp, \
|
||||||
|
.activate_on_init = a, \
|
||||||
|
}
|
||||||
|
|
||||||
|
static struct llcc_slice_config sdxlemur_data[] = {
|
||||||
|
SCT_ENTRY(LLCC_MDMHPGRW, 7, 128, 1, 1, 0xF, 0xF, 0, 0, 0, 1, 0),
|
||||||
|
SCT_ENTRY(LLCC_MDMHW, 9, 128, 1, 1, 0xF, 0xF, 0, 0, 0, 1, 0),
|
||||||
|
SCT_ENTRY(LLCC_MDMVPE, 29, 64, 1, 1, 0xF, 0xF, 0, 0, 0, 1, 0),
|
||||||
|
SCT_ENTRY(LLCC_APTCM, 30, 128, 3, 1, 0xF, 0xF, 1, 0, 0, 1, 0),
|
||||||
|
SCT_ENTRY(LLCC_MDMCLD2, 25, 128, 1, 1, 0xF, 0xF, 0, 0, 0, 1, 0),
|
||||||
|
};
|
||||||
|
|
||||||
|
static int sdxlemur_qcom_llcc_probe(struct platform_device *pdev)
|
||||||
|
{
|
||||||
|
return qcom_llcc_probe(pdev, sdxlemur_data,
|
||||||
|
ARRAY_SIZE(sdxlemur_data));
|
||||||
|
}
|
||||||
|
|
||||||
|
static const struct of_device_id sdxlemur_qcom_llcc_of_match[] = {
|
||||||
|
{ .compatible = "qcom,sdxlemur-llcc", },
|
||||||
|
{ },
|
||||||
|
};
|
||||||
|
|
||||||
|
static struct platform_driver sdxlemur_qcom_llcc_driver = {
|
||||||
|
.driver = {
|
||||||
|
.name = "sdxlemur-llcc",
|
||||||
|
.of_match_table = sdxlemur_qcom_llcc_of_match,
|
||||||
|
},
|
||||||
|
.probe = sdxlemur_qcom_llcc_probe,
|
||||||
|
};
|
||||||
|
|
||||||
|
|
||||||
|
module_platform_driver(sdxlemur_qcom_llcc_driver);
|
||||||
|
|
||||||
|
MODULE_DESCRIPTION("QTI sdxlemur LLCC driver");
|
||||||
|
MODULE_LICENSE("GPL v2");
|
@ -34,6 +34,7 @@
|
|||||||
#define LLCC_CVPFW 32
|
#define LLCC_CVPFW 32
|
||||||
#define LLCC_CPUSS1 33
|
#define LLCC_CPUSS1 33
|
||||||
#define LLCC_CPUHWT 36
|
#define LLCC_CPUHWT 36
|
||||||
|
#define LLCC_MDMCLD2 37
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* llcc_slice_desc - Cache slice descriptor
|
* llcc_slice_desc - Cache slice descriptor
|
||||||
|
Loading…
Reference in New Issue
Block a user