[PATCH 1/2] soc/tegra: fuse: Support revision B01
Aaron Kling via B4 Relay <[email protected]>
| Newsgroups | org.kernel.vger.linux-tegra,org.kernel.feeds.b4-sent,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
From: Aaron Kling <[email protected]> This is used by Tegra210B01 Signed-off-by: Aaron Kling <[email protected]> --- drivers/soc/tegra/fuse/fuse-tegra.c | 1 + drivers/soc/tegra/fuse/tegra-apbmisc.c | 45 +++++++++++++++++++--------------- include/soc/tegra/fuse.h | 1 + 3 files changed, 27 insertions(+), 20 deletions(-) diff --git a/drivers/soc/tegra/fuse/fuse-tegra.c b/drivers/soc/tegra/fuse/fuse-tegra.c index 78b054d43a422..a37642dc92c61 100644 --- a/drivers/soc/tegra/fuse/fuse-tegra.c +++ b/drivers/soc/tegra/fuse/fuse-tegra.c @@ -34,6 +34,7 @@ static const char *tegra_revision_name[TEGRA_REVISION_MAX] = { [TEGRA_REVISION_A03] = "A03", [TEGRA_REVISION_A03p] = "A03 prime", [TEGRA_REVISION_A04] = "A04", + [TEGRA_REVISION_B01] = "B01", }; static const char *tegra_platform_name[TEGRA_PLATFORM_MAX] = { diff --git a/drivers/soc/tegra/fuse/tegra-apbmisc.c b/drivers/soc/tegra/fuse/tegra-apbmisc.c index 6af69ccaa295c..8df3bcd148ba7 100644 --- a/drivers/soc/tegra/fuse/tegra-apbmisc.c +++ b/drivers/soc/tegra/fuse/tegra-apbmisc.c @@ -167,30 +167,35 @@ static const struct of_device_id apbmisc_match[] __initconst = { void __init tegra_init_revision(void) { - u8 chip_id, minor_rev; + u8 chip_id, major_rev, minor_rev; chip_id = tegra_get_chip_id(); + major_rev = tegra_get_major_rev(); minor_rev = tegra_get_minor_rev(); - switch (minor_rev) { - case 1: - tegra_sku_info.revision = TEGRA_REVISION_A01; - break; - case 2: - tegra_sku_info.revision = TEGRA_REVISION_A02; - break; - case 3: - if (chip_id == TEGRA20 && (tegra_fuse_read_spare(18) || - tegra_fuse_read_spare(19))) - tegra_sku_info.revision = TEGRA_REVISION_A03p; - else - tegra_sku_info.revision = TEGRA_REVISION_A03; - break; - case 4: - tegra_sku_info.revision = TEGRA_REVISION_A04; - break; - default: - tegra_sku_info.revision = TEGRA_REVISION_UNKNOWN; + if (major_rev > 1) { + tegra_sku_info.revision = TEGRA_REVISION_B01; + } else { + switch (minor_rev) { + case 1: + tegra_sku_info.revision = TEGRA_REVISION_A01; + break; + case 2: + tegra_sku_info.revision = TEGRA_REVISION_A02; + break; + case 3: + if (chip_id == TEGRA20 && (tegra_fuse_read_spare(18) || + tegra_fuse_read_spare(19))) + tegra_sku_info.revision = TEGRA_REVISION_A03p; + else + tegra_sku_info.revision = TEGRA_REVISION_A03; + break; + case 4: + tegra_sku_info.revision = TEGRA_REVISION_A04; + break; + default: + tegra_sku_info.revision = TEGRA_REVISION_UNKNOWN; + } } tegra_sku_info.sku_id = tegra_fuse_read_early(FUSE_SKU_INFO); diff --git a/include/soc/tegra/fuse.h b/include/soc/tegra/fuse.h index 8f421b9f7585c..30db79f7f17fd 100644 --- a/include/soc/tegra/fuse.h +++ b/include/soc/tegra/fuse.h @@ -33,6 +33,7 @@ enum tegra_revision { TEGRA_REVISION_A03, TEGRA_REVISION_A03p, TEGRA_REVISION_A04, + TEGRA_REVISION_B01, TEGRA_REVISION_MAX, }; -- 2.54.0