diff options
| author | Varun Wadekar <vwadekar@nvidia.com> | 2017-04-13 14:12:49 -0700 |
|---|---|---|
| committer | Varun Wadekar <vwadekar@nvidia.com> | 2017-04-13 14:16:14 -0700 |
| commit | cd3de4326b8a7d7f905c2ced4081ea2e7d243e0c (patch) | |
| tree | d661a97ab44e2ea383921c4fee8f26dcfbff6882 /plat/nvidia | |
| parent | 95a7fae42c4a59b794bc959491e01ba0a76334d1 (diff) | |
Tegra: platform: support Tegra186 chip id
This patch adds support to read the chip id and identify if
the current platform is Tegra186.
Signed-off-by: Varun Wadekar <vwadekar@nvidia.com>
Diffstat (limited to 'plat/nvidia')
| -rw-r--r-- | plat/nvidia/tegra/common/tegra_platform.c | 8 | ||||
| -rw-r--r-- | plat/nvidia/tegra/include/tegra_platform.h | 6 |
2 files changed, 12 insertions, 2 deletions
diff --git a/plat/nvidia/tegra/common/tegra_platform.c b/plat/nvidia/tegra/common/tegra_platform.c index 0724b18e..18cc555c 100644 --- a/plat/nvidia/tegra/common/tegra_platform.c +++ b/plat/nvidia/tegra/common/tegra_platform.c @@ -69,6 +69,7 @@ typedef enum tegra_platform { typedef enum tegra_chipid { TEGRA_CHIPID_TEGRA13 = 0x13, TEGRA_CHIPID_TEGRA21 = 0x21, + TEGRA_CHIPID_TEGRA18 = 0x18, } tegra_chipid_t; /* @@ -109,6 +110,13 @@ uint8_t tegra_chipid_is_t210(void) return (chip_id == TEGRA_CHIPID_TEGRA21); } +uint8_t tegra_chipid_is_t186(void) +{ + uint32_t chip_id = (tegra_get_chipid() >> CHIP_ID_SHIFT) & CHIP_ID_MASK; + + return (chip_id == TEGRA_CHIPID_TEGRA18); +} + /* * Read the chip ID value and derive the platform */ diff --git a/plat/nvidia/tegra/include/tegra_platform.h b/plat/nvidia/tegra/include/tegra_platform.h index a2813a83..c06ce70e 100644 --- a/plat/nvidia/tegra/include/tegra_platform.h +++ b/plat/nvidia/tegra/include/tegra_platform.h @@ -42,8 +42,10 @@ uint32_t tegra_get_chipid_minor(void); /* * Tegra chip identifiers */ -uint8_t tegra_is_t132(void); -uint8_t tegra_is_t210(void); +uint8_t tegra_chipid_is_t132(void); +uint8_t tegra_chipid_is_t210(void); +uint8_t tegra_chipid_is_t186(void); + /* * Tegra platform identifiers |