forked from PAWPAW-Mirror/lib_xua
40 lines
1.2 KiB
Plaintext
40 lines
1.2 KiB
Plaintext
#include <xs1.h>
|
|
#include <platform.h>
|
|
#include <xs1_su.h>
|
|
#include <print.h>
|
|
|
|
#define XS1_SU_PERIPH_USB_ID 0x1
|
|
|
|
/* Reboots XMOS device by writing to the PLL config register */
|
|
void device_reboot_implementation(chanend spare)
|
|
{
|
|
#ifdef ARCH_S
|
|
/* Disconnect from bus */
|
|
unsigned data[] = {4};
|
|
unsigned x;
|
|
write_periph_32(xs1_su, XS1_SU_PERIPH_USB_ID, XS1_SU_PER_UIFM_FUNC_CONTROL_NUM, 1, data);
|
|
|
|
/* Ideally we would reset SU1 here but then we loose power to the xcore and therefore the DFU flag */
|
|
/* Disable USB and issue reset to xcore only - not analogue chip */
|
|
write_node_config_reg(xs1_su, XS1_SU_CFG_RST_MISC_NUM,0b10);
|
|
#else
|
|
|
|
outct(spare, XS1_CT_END); // have to do this before freeing the chanend
|
|
inct(spare); // Receive end ct from usb_buffer to close down in both directions
|
|
|
|
// Need a spare chanend so we can talk to the pll register
|
|
asm("freer res[%0]"::"r"(spare));
|
|
|
|
{
|
|
unsigned int pllVal;
|
|
unsigned int tile_id = get_local_tile_id();
|
|
read_sswitch_reg(tile_id, 6, pllVal);
|
|
|
|
/* Not this accounts for 2 tiles of an L2.. */
|
|
write_sswitch_reg_no_ack(tile_id^0x8000, 6, pllVal);
|
|
write_sswitch_reg_no_ack(tile_id, 6, pllVal);
|
|
}
|
|
#endif
|
|
|
|
}
|