Commit 83468fe2 authored by Timo Alho's avatar Timo Alho Committed by Thierry Reding
Browse files

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: default avatarTimo Alho <talho@nvidia.com>
Reviewed-by: default avatarMikko Perttunen <mperttunen@nvidia.com>
[treding@nvidia.com: reword commit message]
Signed-off-by: default avatarThierry Reding <treding@nvidia.com>
parent 753863d7

drivers/soc/tegra/fuse/fuse-tegra.c

+3 −0
Original line number Diff line number Diff line
@@ -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

drivers/soc/tegra/fuse/fuse-tegra30.c

+19 −2
Original line number Diff line number Diff line
@@ -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();



	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

drivers/soc/tegra/fuse/fuse.h

+4 −0
Original line number Diff line number Diff line
@@ -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

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