h3n3/klipper
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

atsam: Add support for SAM E70

Browse Source 
Signed-off-by: Alex Maclean <monkeh@monkeh.net>
This commit is contained in:
Alex Maclean
2021-08-18 20:01:59 +01:00
committed by Kevin O'Connor
parent 99c2bf0ded
commit 8049243221
18 changed files with 440 additions and 82 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
src/atsam/main.c
View File

@@ -11,6 +11,8 @@
#include "internal.h" // WDT
#include "sched.h" // sched_main
#define FREQ_PERIPH_DIV (CONFIG_MACH_SAME70 ? 2 : 1)
#define FREQ_PERIPH (CONFIG_CLOCK_FREQ / FREQ_PERIPH_DIV)
/****************************************************************
* watchdog handler
@@ -60,7 +62,7 @@ enable_pclock(uint32_t id)
uint32_t
get_pclock_frequency(uint32_t id)
{
return CONFIG_CLOCK_FREQ;
return FREQ_PERIPH;
}
@@ -68,12 +70,18 @@ get_pclock_frequency(uint32_t id)
* Resets
****************************************************************/
#if CONFIG_MACH_SAME70
#define RST_PARAMS ((0xA5 << RSTC_CR_KEY_Pos) | RSTC_CR_PROCRST)
#else
#define RST_PARAMS ((0xA5 << RSTC_CR_KEY_Pos) | RSTC_CR_PROCRST \
| RSTC_CR_PERRST)
#endif
void
command_reset(uint32_t *args)
{
irq_disable();
RSTC->RSTC_CR = ((0xA5 << RSTC_CR_KEY_Pos) | RSTC_CR_PROCRST
| RSTC_CR_PERRST);
RSTC->RSTC_CR = RST_PARAMS;
for (;;)
;
}
@@ -81,7 +89,7 @@ DECL_COMMAND_FLAGS(command_reset, HF_IN_SHUTDOWN, "reset");
#if CONFIG_MACH_SAM3X || CONFIG_MACH_SAM4S
#define EFC_HW EFC0
#elif CONFIG_MACH_SAM4E
#elif CONFIG_MACH_SAM4E || CONFIG_MACH_SAME70
#define EFC_HW EFC
#endif
@@ -97,8 +105,7 @@ usb_request_bootloader(void)
while ((EFC_HW->EEFC_FSR & EEFC_FSR_FRDY) == 0)
;
// Reboot
RSTC->RSTC_CR = ((0xA5 << RSTC_CR_KEY_Pos) | RSTC_CR_PROCRST
| RSTC_CR_PERRST);
RSTC->RSTC_CR = RST_PARAMS;
for (;;)
;
}