blob: 0a28ee0a700d8f1bfe41f6ed7db4fe0e2cfcdef1 [file] [log] [blame]
/* Copyright (c) 2016-2017, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#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
* name: Name of the client's use case for which the llcc slice is used
* 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 reseved ways are probed.
* when configured to 0 all ways in llcc are probed.
* dis_cap_alloc: Disable capacity based allocation for a client
* 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(n, uid, sid, mc, p, fs, bway, rway, cmod, ptw, dca, rp, a) \
{ \
.name = n, \
.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 sdm845_data[] = {
SCT_ENTRY("cpuss", 1, 1, 3072, 1, 0, 0xFFF, 0x0, 0, 0, 0, 1, 1),
SCT_ENTRY("vidsc0", 2, 2, 512, 2, 1, 0xFFF, 0x0, 0, 0, 0, 1, 0),
SCT_ENTRY("vidsc1", 3, 3, 512, 2, 1, 0xFFF, 0x0, 0, 0, 0, 1, 0),
SCT_ENTRY("rotator", 4, 4, 563, 2, 1, 0xFFF, 0x0, 0, 0, 0, 1, 0),
SCT_ENTRY("voice", 5, 5, 3072, 1, 0, 0xFFF, 0x0, 0, 0, 0, 1, 0),
SCT_ENTRY("audio", 6, 6, 3072, 1, 0, 0xFFF, 0x0, 0, 0, 0, 1, 0),
SCT_ENTRY("modemhp_grow", 7, 7, 1024, 2, 0, 0xFFF, 0x0, 0, 0, 0, 1, 0),
SCT_ENTRY("modem", 8, 8, 3072, 1, 0, 0xFFF, 0x0, 0, 0, 0, 1, 0),
SCT_ENTRY("modemhw", 9, 9, 3072, 1, 0, 0xFFF, 0x0, 0, 0, 0, 1, 0),
SCT_ENTRY("compute", 10, 10, 3072, 1, 0, 0xFFF, 0x0, 0, 0, 0, 1, 0),
SCT_ENTRY("gpuhtw", 11, 11, 3072, 1, 0, 0xFFF, 0x0, 0, 0, 0, 1, 0),
SCT_ENTRY("gpu", 12, 12, 3072, 1, 0, 0xFFF, 0x0, 0, 0, 0, 1, 0),
SCT_ENTRY("mmuhwt", 13, 13, 3072, 1, 0, 0xFFF, 0x0, 0, 0, 0, 0, 1),
SCT_ENTRY("sensor", 14, 14, 3072, 1, 0, 0xFFF, 0x0, 0, 0, 0, 1, 0),
SCT_ENTRY("compute_dma", 15, 15, 3072, 1, 0, 0xFFF, 0x0, 0, 0, 0, 1, 0),
SCT_ENTRY("display", 16, 16, 3072, 1, 0, 0xFFF, 0x0, 0, 0, 0, 1, 0),
SCT_ENTRY("videofw", 17, 17, 3072, 1, 0, 0xFFF, 0x0, 0, 0, 0, 1, 0),
SCT_ENTRY("camerafw", 18, 18, 256, 1, 1, 0xFFF, 0x0, 0, 0, 0, 1, 0),
SCT_ENTRY("mss_tcm", 19, 19, 1024, 0, 0, 0x0, 0xf, 1, 0, 1, 1, 0),
SCT_ENTRY("modemhp_fix", 20, 20, 1024, 2, 1, 0xFFF, 0x0, 0, 0, 0, 1, 0),
SCT_ENTRY("modem_paging", 21, 21, 1024, 0, 1, 0xF, 0x0, 0, 0, 0, 1, 0),
SCT_ENTRY("audiohw", 22, 22, 3072, 1, 0, 0xFFF, 0x0, 0, 0, 0, 1, 0),
};
static int sdm845_qcom_llcc_probe(struct platform_device *pdev)
{
return qcom_llcc_probe(pdev, sdm845_data,
ARRAY_SIZE(sdm845_data));
}
static const struct of_device_id sdm845_qcom_llcc_of_match[] = {
{ .compatible = "qcom,sdm845-llcc", },
{ },
};
static struct platform_driver sdm845_qcom_llcc_driver = {
.driver = {
.name = "sdm845-llcc",
.owner = THIS_MODULE,
.of_match_table = sdm845_qcom_llcc_of_match,
},
.probe = sdm845_qcom_llcc_probe,
.remove = qcom_llcc_remove,
};
static int __init sdm845_init_qcom_llcc_init(void)
{
return platform_driver_register(&sdm845_qcom_llcc_driver);
}
module_init(sdm845_init_qcom_llcc_init);
static void __exit sdm845_exit_qcom_llcc_exit(void)
{
platform_driver_unregister(&sdm845_qcom_llcc_driver);
}
module_exit(sdm845_exit_qcom_llcc_exit);
MODULE_DESCRIPTION("QTI sdm845 LLCC driver");
MODULE_LICENSE("GPL v2");