diff options
author | Lokesh Vutla <lokeshvutla@ti.com> | 2019-09-27 11:02:11 +0300 |
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committer | Tom Rini <trini@konsulko.com> | 2019-10-11 20:31:18 +0300 |
commit | f8ca9121896bcff1476943a96d7392eb05f55364 (patch) | |
tree | fc2ed8e70da57027be6733842cd2daad08b3e85a /arch/arm/mach-k3/common.c | |
parent | d53a1772718f58950f6ee5968ca08fd6926ca3c2 (diff) | |
download | u-boot-f8ca9121896bcff1476943a96d7392eb05f55364.tar.xz |
arm: k3: Add support for printing CPUINFO
Add support for printing CPU info for all K3 devices.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Diffstat (limited to 'arch/arm/mach-k3/common.c')
-rw-r--r-- | arch/arm/mach-k3/common.c | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/arch/arm/mach-k3/common.c b/arch/arm/mach-k3/common.c index 6c453b9af4..97aa15d6a6 100644 --- a/arch/arm/mach-k3/common.c +++ b/arch/arm/mach-k3/common.c @@ -14,6 +14,8 @@ #include <linux/soc/ti/ti_sci_protocol.h> #include <fdt_support.h> #include <asm/arch/sys_proto.h> +#include <asm/hardware.h> +#include <asm/io.h> struct ti_sci_handle *get_ti_sci_handle(void) { @@ -190,3 +192,43 @@ void reset_cpu(ulong ignored) { } #endif + +#if defined(CONFIG_DISPLAY_CPUINFO) +int print_cpuinfo(void) +{ + u32 soc, rev; + char *name; + + soc = (readl(CTRLMMR_WKUP_JTAG_DEVICE_ID) & + DEVICE_ID_FAMILY_MASK) >> DEVICE_ID_FAMILY_SHIFT; + rev = (readl(CTRLMMR_WKUP_JTAG_ID) & + JTAG_ID_VARIANT_MASK) >> JTAG_ID_VARIANT_SHIFT; + + printf("SoC: "); + switch (soc) { + case AM654: + name = "AM654"; + break; + case J721E: + name = "J721E"; + break; + default: + name = "Unknown Silicon"; + }; + + printf("%s PG ", name); + switch (rev) { + case REV_PG1_0: + name = "1.0"; + break; + case REV_PG2_0: + name = "2.0"; + break; + default: + name = "Unknown Revision"; + }; + printf("%s\n", name); + + return 0; +} +#endif |