diff options
| author | Stefan Kristiansson <stefank@nvidia.com> | 2023-05-29 16:50:45 +0300 |
|---|---|---|
| committer | Jassi Brar <jaswinder.singh@linaro.org> | 2023-06-30 17:35:45 -0500 |
| commit | 602dbbacc3ef9b0a8102202bbde9a5f253677cf0 (patch) | |
| tree | 690d6899c36549c538d1e8d4019443fd33775ad5 /drivers/mailbox | |
| parent | af9dbbbb4d30c4601a14c920c6ec9ae5cf0fdd22 (diff) | |
| download | lwn-602dbbacc3ef9b0a8102202bbde9a5f253677cf0.tar.gz lwn-602dbbacc3ef9b0a8102202bbde9a5f253677cf0.zip | |
mailbox: tegra: add support for Tegra264
Tegra264 has a slightly different doorbell register layout than
previous chips.
Acked-by: Thierry Reding <treding@nvidia.com>
Signed-off-by: Stefan Kristiansson <stefank@nvidia.com>
Signed-off-by: Peter De Schrijver <pdeschrijver@nvidia.com>
Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
Diffstat (limited to 'drivers/mailbox')
| -rw-r--r-- | drivers/mailbox/tegra-hsp.c | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/drivers/mailbox/tegra-hsp.c b/drivers/mailbox/tegra-hsp.c index 573481e436f5..7f98e7436d94 100644 --- a/drivers/mailbox/tegra-hsp.c +++ b/drivers/mailbox/tegra-hsp.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0-only /* - * Copyright (c) 2016-2018, NVIDIA CORPORATION. All rights reserved. + * Copyright (c) 2016-2023, NVIDIA CORPORATION. All rights reserved. */ #include <linux/delay.h> @@ -97,6 +97,7 @@ struct tegra_hsp_soc { const struct tegra_hsp_db_map *map; bool has_per_mb_ie; bool has_128_bit_mb; + unsigned int reg_stride; }; struct tegra_hsp { @@ -279,7 +280,7 @@ tegra_hsp_doorbell_create(struct tegra_hsp *hsp, const char *name, return ERR_PTR(-ENOMEM); offset = (1 + (hsp->num_sm / 2) + hsp->num_ss + hsp->num_as) * SZ_64K; - offset += index * 0x100; + offset += index * hsp->soc->reg_stride; db->channel.regs = hsp->regs + offset; db->channel.hsp = hsp; @@ -916,24 +917,35 @@ static const struct tegra_hsp_soc tegra186_hsp_soc = { .map = tegra186_hsp_db_map, .has_per_mb_ie = false, .has_128_bit_mb = false, + .reg_stride = 0x100, }; static const struct tegra_hsp_soc tegra194_hsp_soc = { .map = tegra186_hsp_db_map, .has_per_mb_ie = true, .has_128_bit_mb = false, + .reg_stride = 0x100, }; static const struct tegra_hsp_soc tegra234_hsp_soc = { .map = tegra186_hsp_db_map, .has_per_mb_ie = false, .has_128_bit_mb = true, + .reg_stride = 0x100, +}; + +static const struct tegra_hsp_soc tegra264_hsp_soc = { + .map = tegra186_hsp_db_map, + .has_per_mb_ie = false, + .has_128_bit_mb = true, + .reg_stride = 0x1000, }; static const struct of_device_id tegra_hsp_match[] = { { .compatible = "nvidia,tegra186-hsp", .data = &tegra186_hsp_soc }, { .compatible = "nvidia,tegra194-hsp", .data = &tegra194_hsp_soc }, { .compatible = "nvidia,tegra234-hsp", .data = &tegra234_hsp_soc }, + { .compatible = "nvidia,tegra264-hsp", .data = &tegra264_hsp_soc }, { } }; |