2 * Copyright © 2012 Keith Packard <keithp@keithp.com>
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 2 of the License, or
7 * (at your option) any later version.
9 * This program is distributed in the hope that it will be useful, but
10 * WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * General Public License for more details.
14 * You should have received a copy of the GNU General Public License along
15 * with this program; if not, write to the Free Software Foundation, Inc.,
16 * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
24 extern void main(void);
26 /* Interrupt functions */
28 void stm_halt_isr(void)
30 ao_panic(AO_PANIC_CRASH);
33 void stm_ignore_isr(void)
37 void *const stm_interrupt_vector[];
40 stm_flash_size(void) {
41 uint16_t dev_id = stm_dev_id();
45 case 0x416: /* cat 1 */
46 kbytes = stm_flash_size_medium.f_size;
48 case 0x429: /* cat 2 */
49 kbytes = stm_flash_size_medium.f_size & 0xff;
51 case 0x427: /* cat 3 */
52 kbytes = stm_flash_size_large.f_size;
54 case 0x436: /* cat 4 */
55 switch (stm_flash_size_large.f_size) {
64 case 0x437: /* cat 5 */
65 kbytes = stm_flash_size_large.f_size;
68 return (uint32_t) kbytes * 1024;
71 extern char __stack[];
77 if (ao_boot_check_chain()) {
83 /* Set interrupt vector table offset */
84 stm_nvic.vto = (uint32_t) &stm_interrupt_vector;
87 #define STRINGIFY(x) #x
90 void __attribute__ ((weak)) stm_ ## name ## _isr(void); \
91 _Pragma(STRINGIFY(weak stm_ ## name ## _isr = stm_ignore_isr))
93 #define isr_halt(name) \
94 void __attribute__ ((weak)) stm_ ## name ## _isr(void); \
95 _Pragma(STRINGIFY(weak stm_ ## name ## _isr = stm_halt_isr))
152 #define i(addr,name) [(addr)/4] = stm_ ## name ## _isr
154 extern void _start(void);
156 /* This must be exactly 256 bytes long so that the configuration data
157 * gets loaded at the right place
160 __attribute__ ((section(".init")))
161 void * const stm_interrupt_vector[64] = {
175 i(0x48, tamper_stamp),
184 i(0x6c, dma1_channel1),
185 i(0x70, dma1_channel2),
186 i(0x74, dma1_channel3),
187 i(0x78, dma1_channel4),
188 i(0x7c, dma1_channel5),
189 i(0x80, dma1_channel6),
190 i(0x84, dma1_channel7),
215 i(0xe8, usb_fs_wkup),