2 * Copyright (c) 2019 Tilman Sauerbeck (tilman at code-monkey de)
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sublicense, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
19 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
20 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
21 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 static const uint32_t FTFA_FSTAT = 0x40020000;
28 static const uint8_t FTFA_FSTAT_CCIF = 1 << 7;
30 __attribute__((section(".data")))
34 volatile uint8_t *fstat = (uint8_t *) FTFA_FSTAT;
37 *fstat = FTFA_FSTAT_CCIF;
39 /* Wait for it to finish. */
43 if ((v & FTFA_FSTAT_CCIF) != 0) {
50 flash_run_command(void)
52 asm volatile ("cpsid i");
54 uint8_t status = run_command();
56 asm volatile ("cpsie i");