On 24/07/20 5:55 pm, Grygorii Strashko wrote:
On 23/07/2020 11:47, Lokesh Vutla wrote:
Add an api soc_is_j721e(), and use it to enable certain functionality that is available only on j721e.
Signed-off-by: Lokesh Vutla lokeshvutla@ti.com Signed-off-by: Suman Anna s-anna@ti.com
arch/arm/mach-k3/common.c | 10 ++++++++++ arch/arm/mach-k3/include/mach/sys_proto.h | 2 ++ arch/arm/mach-k3/j721e_init.c | 3 +++ 3 files changed, 15 insertions(+)
diff --git a/arch/arm/mach-k3/common.c b/arch/arm/mach-k3/common.c index eb72451d06..aec6c600b9 100644 --- a/arch/arm/mach-k3/common.c +++ b/arch/arm/mach-k3/common.c @@ -355,6 +355,16 @@ 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; +}
Shouldn't it be done using UCLASS_SOC introduce by Dave Gerlach d-gerlach@ti.com
https://patchwork.ozlabs.org/project/uboot/cover/20200716044004.6014-1-d-ger...
SoC differentiation is needed before DT is available. So I had to use these apis.
Thanks and regards, Lokesh