diff options
| author | Timo Alho <talho@nvidia.com> | 2017-03-06 16:47:20 +0300 |
|---|---|---|
| committer | Thierry Reding <treding@nvidia.com> | 2017-12-13 14:43:29 +0300 |
| commit | 83468fe259bf827f350b118f25bce99dc0bdf597 (patch) | |
| tree | 4797a04a576b1acbc891448f719a66599c4382d3 /drivers/soc/tegra/fuse | |
| parent | 753863d7f8b739c10c87b8f8c356c7918d37fdcd (diff) | |
| download | linux-83468fe259bf827f350b118f25bce99dc0bdf597.tar.xz | |
soc/tegra: fuse: Add Tegra186 support
Tegra210 and Tegra186 are mostly compatible from a fuses point of view.
However, speedo support is implemented in the BPMP firmware, hence the
implementation needs to be skipped in the fuses driver.
Signed-off-by: Timo Alho <talho@nvidia.com>
Reviewed-by: Mikko Perttunen <mperttunen@nvidia.com>
[treding@nvidia.com: reword commit message]
Signed-off-by: Thierry Reding <treding@nvidia.com>
Diffstat (limited to 'drivers/soc/tegra/fuse')
| -rw-r--r-- | drivers/soc/tegra/fuse/fuse-tegra.c | 3 | ||||
| -rw-r--r-- | drivers/soc/tegra/fuse/fuse-tegra30.c | 21 | ||||
| -rw-r--r-- | drivers/soc/tegra/fuse/fuse.h | 4 |
3 files changed, 26 insertions, 2 deletions
diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c index b7c552e3133c..d7ccfee51b1a 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra.c +++ b/drivers/soc/tegra/fuse/fuse-tegra.c @@ -103,6 +103,9 @@ static struct tegra_fuse *fuse = &(struct tegra_fuse) { }; static const struct of_device_id tegra_fuse_match[] = { +#ifdef CONFIG_ARCH_TEGRA_186_SOC + { .compatible = "nvidia,tegra186-efuse", .data = &tegra186_fuse_soc }, +#endif #ifdef CONFIG_ARCH_TEGRA_210_SOC { .compatible = "nvidia,tegra210-efuse", .data = &tegra210_fuse_soc }, #endif diff --git a/drivers/soc/tegra/fuse/fuse-tegra30.c b/drivers/soc/tegra/fuse/fuse-tegra30.c index 882607bcaa6c..497eb044095f 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra30.c +++ b/drivers/soc/tegra/fuse/fuse-tegra30.c @@ -46,7 +46,8 @@ defined(CONFIG_ARCH_TEGRA_114_SOC) || \ defined(CONFIG_ARCH_TEGRA_124_SOC) || \ defined(CONFIG_ARCH_TEGRA_132_SOC) || \ - defined(CONFIG_ARCH_TEGRA_210_SOC) + defined(CONFIG_ARCH_TEGRA_210_SOC) || \ + defined(CONFIG_ARCH_TEGRA_186_SOC) static u32 tegra30_fuse_read_early(struct tegra_fuse *fuse, unsigned int offset) { return readl_relaxed(fuse->base + FUSE_BEGIN + offset); @@ -98,7 +99,10 @@ static void __init tegra30_fuse_init(struct tegra_fuse *fuse) fuse->read = tegra30_fuse_read; tegra_init_revision(); - fuse->soc->speedo_init(&tegra_sku_info); + + if (fuse->soc->speedo_init) + fuse->soc->speedo_init(&tegra_sku_info); + tegra30_fuse_add_randomness(); } #endif @@ -158,3 +162,16 @@ const struct tegra_fuse_soc tegra210_fuse_soc = { .info = &tegra210_fuse_info, }; #endif + +#if defined(CONFIG_ARCH_TEGRA_186_SOC) +static const struct tegra_fuse_info tegra186_fuse_info = { + .read = tegra30_fuse_read, + .size = 0x300, + .spare = 0x280, +}; + +const struct tegra_fuse_soc tegra186_fuse_soc = { + .init = tegra30_fuse_init, + .info = &tegra186_fuse_info, +}; +#endif diff --git a/drivers/soc/tegra/fuse/fuse.h b/drivers/soc/tegra/fuse/fuse.h index 10c2076d5089..f355b9d54915 100644 --- a/drivers/soc/tegra/fuse/fuse.h +++ b/drivers/soc/tegra/fuse/fuse.h @@ -105,4 +105,8 @@ extern const struct tegra_fuse_soc tegra124_fuse_soc; extern const struct tegra_fuse_soc tegra210_fuse_soc; #endif +#ifdef CONFIG_ARCH_TEGRA_186_SOC +extern const struct tegra_fuse_soc tegra186_fuse_soc; +#endif + #endif |