| /* |
| * misc.c |
| * |
| * Copyright (C) 2019-2020 Sylvain Munaut <tnt@246tNt.com> |
| * SPDX-License-Identifier: GPL-3.0-or-later |
| */ |
| |
| #include <stdbool.h> |
| #include <stdint.h> |
| |
| #include "config.h" |
| #include "misc.h" |
| |
| |
| struct misc { |
| uint32_t warmboot; |
| uint32_t _rsvd0[3];; |
| struct { |
| uint16_t rx; |
| uint16_t tx; |
| } e1_tick[2]; |
| uint32_t _rsvd1; |
| uint32_t time; |
| } __attribute__((packed,aligned(4))); |
| |
| static volatile struct misc * const misc_regs = (void*)(MISC_BASE); |
| |
| |
| void |
| e1_tick_read(uint16_t *ticks) |
| { |
| uint32_t v = misc_regs->e1_tick; |
| ticks[0] = (v ) & 0xffff; |
| ticks[1] = (v >> 16) & 0xffff; |
| } |