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| author | Lokesh Vutla <lokeshvutla@ti.com> | 2020-08-05 22:44:19 +0530 |
|---|---|---|
| committer | Lokesh Vutla <lokeshvutla@ti.com> | 2020-08-11 20:34:46 +0530 |
| commit | 2a18be77def6ce8967cb24770a2c0838125d2da5 (patch) | |
| tree | abfdec3e278d6c0dfbe33ed2fe093fda76e8a768 /arch/arm/mach-k3/common.c | |
| parent | dc57a554a5af936f1127d2af03fa9281a6c1d4e1 (diff) | |
| download | u-boot-2a18be77def6ce8967cb24770a2c0838125d2da5.zip u-boot-2a18be77def6ce8967cb24770a2c0838125d2da5.tar.gz u-boot-2a18be77def6ce8967cb24770a2c0838125d2da5.tar.bz2 | |
arm: mach-k3: j721e: Add detection for j721e
Add an api soc_is_j721e(), and use it to enable certain functionality
that is available only on j721e. This detection is needed when DT is not
available.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Suman Anna <s-anna@ti.com>
Diffstat (limited to 'arch/arm/mach-k3/common.c')
| -rw-r--r-- | arch/arm/mach-k3/common.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/arch/arm/mach-k3/common.c b/arch/arm/mach-k3/common.c index 178dc21..4e366f8 100644 --- a/arch/arm/mach-k3/common.c +++ b/arch/arm/mach-k3/common.c @@ -345,6 +345,16 @@ int print_cpuinfo(void) } #endif +bool soc_is_j721e(void) +{ + u32 soc; + + soc = (readl(CTRLMMR_WKUP_JTAG_ID) & + JTAG_ID_PARTNO_MASK) >> JTAG_ID_PARTNO_SHIFT; + + return soc == J721E; +} + #ifdef CONFIG_ARM64 void board_prep_linux(bootm_headers_t *images) { |