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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>
This commit is contained in:
Timo Alho 2017-03-06 15:47:20 +02:00 committed by Thierry Reding
parent 753863d7f8
commit 83468fe259
3 changed files with 26 additions and 2 deletions
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3
drivers/soc/tegra/fuse/fuse-tegra.c
View File

@ -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

21
drivers/soc/tegra/fuse/fuse-tegra30.c
View File

@ -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

4
drivers/soc/tegra/fuse/fuse.h
View File

@ -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