diff options
| author | Sam Lewis <sam.vr.lewis@gmail.com> | 2020-08-04 19:47:50 +1000 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-11-22 22:32:46 +0000 |
| commit | fde084bc490daf99da85292ef87d6dcf3446c212 (patch) | |
| tree | f005134a3dadedc4fa91ff0f9c07fdd69412fba8 /src/soc/ti/am335x/dmtimer.h | |
| parent | b5353965e1b7eff860faaa3312728a935311a8c6 (diff) | |
soc/ti/am335x: Fix timer implementation
Implements the monotonic timer using the am335x dmtimer peripheral.
Change-Id: I4736b6d3b6e26370be9e8f369fc02285ad519223
Signed-off-by: Sam Lewis <sam.vr.lewis@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/44383
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/ti/am335x/dmtimer.h')
| -rw-r--r-- | src/soc/ti/am335x/dmtimer.h | 30 |
1 files changed, 27 insertions, 3 deletions
diff --git a/src/soc/ti/am335x/dmtimer.h b/src/soc/ti/am335x/dmtimer.h index ad8515fbba..56f3d0f011 100644 --- a/src/soc/ti/am335x/dmtimer.h +++ b/src/soc/ti/am335x/dmtimer.h @@ -5,9 +5,33 @@ #include <stdint.h> -#define OSC_HZ 24000000 +#define M_OSC_MHZ (24) -void dmtimer_start(int num); -uint64_t dmtimer_raw_value(int num); +struct am335x_dmtimer { + uint32_t tidr; + uint8_t res1[12]; + uint32_t tiocp_cfg; + uint8_t res2[12]; + uint32_t irq_eoi; + uint32_t irqstatus_raw; + uint32_t irqstatus; + uint32_t irqenable_set; + uint32_t irqenable_clr; + uint32_t irqwakeen; + uint32_t tclr; + uint32_t tcrr; + uint32_t tldr; + uint32_t ttgr; + uint32_t twps; + uint32_t tmar; + uint32_t tcar1; + uint32_t tsicr; + uint32_t tcar2; +}; + +#define TCLR_ST (0x01 << 0) +#define TCLR_AR (0x01 << 1) + +#define DMTIMER_2 (0x48040000) #endif |