From 43d22073d495bd435f9b441c582aef29e9b59930 Mon Sep 17 00:00:00 2001 From: David Pu Date: Mon, 5 Aug 2019 17:00:31 -0700 Subject: [PATCH] Tegra: platform: add function to check t194 chip This patch adds tegra_chipid_is_t194() function to check if it is a Tegra 194 chip. Change-Id: I6da6d3a2c9676b748931e42fde1b174cbcb4fd40 Signed-off-by: David Pu --- plat/nvidia/tegra/common/tegra_platform.c | 7 +++++++ plat/nvidia/tegra/include/tegra_platform.h | 2 ++ 2 files changed, 9 insertions(+) diff --git a/plat/nvidia/tegra/common/tegra_platform.c b/plat/nvidia/tegra/common/tegra_platform.c index 080413575..7c73e8fe1 100644 --- a/plat/nvidia/tegra/common/tegra_platform.c +++ b/plat/nvidia/tegra/common/tegra_platform.c @@ -108,6 +108,13 @@ bool tegra_chipid_is_t210_b01(void) return (tegra_chipid_is_t210() && (tegra_get_chipid_major() == 0x2U)); } +bool tegra_chipid_is_t194(void) +{ + uint32_t chip_id = (tegra_get_chipid() >> CHIP_ID_SHIFT) & CHIP_ID_MASK; + + return (chip_id == TEGRA_CHIPID_TEGRA19); +} + /* * 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 7dfa4d089..b8297fd93 100644 --- a/plat/nvidia/tegra/include/tegra_platform.h +++ b/plat/nvidia/tegra/include/tegra_platform.h @@ -30,6 +30,7 @@ #define TEGRA_CHIPID_TEGRA13 U(0x13) #define TEGRA_CHIPID_TEGRA21 U(0x21) #define TEGRA_CHIPID_TEGRA18 U(0x18) +#define TEGRA_CHIPID_TEGRA19 U(0x19) /******************************************************************************* * JEDEC Standard Manufacturer's Identification Code and Bank ID @@ -52,6 +53,7 @@ bool tegra_chipid_is_t132(void); bool tegra_chipid_is_t186(void); bool tegra_chipid_is_t210(void); bool tegra_chipid_is_t210_b01(void); +bool tegra_chipid_is_t194(void); /* * Tegra platform identifiers