void banzai() {
// Disable all interrupts
__disable_irq();
// Set bootflag to run SAM-BA bootloader at restart
const int EEFC_FCMD_CGPB = 0x0C;
const int EEFC_KEY = 0x5A;
while (EFC0->EEFC_FSR & EEFC_FSR_FRDY == 0);
EFC0->EEFC_FCR =
EEFC_FCR_FCMD(EEFC_FCMD_CGPB) |
EEFC_FCR_FARG(1) |
EEFC_FCR_FKEY(EEFC_KEY);
while (EFC0->EEFC_FSR & EEFC_FSR_FRDY == 0);
// From here flash memory is no more available.
// Memory swap needs some time to stabilize
for (uint32_t i=0; i<1000000; i++)
// force compiler to not optimize this
__asm__ __volatile__("");
// BANZAIIIIIII!!!
const int RSTC_KEY = 0xA5;
RSTC->RSTC_CR =
RSTC_CR_KEY(RSTC_KEY) |
RSTC_CR_PROCRST |
RSTC_CR_PERRST;
while (true);
}
void banzai() {
// Disable all interrupts
__disable_irq();
// Set bootflag to run SAM-BA bootloader at restart
const int EEFC_FCMD_CGPB = 0x0C;
const int EEFC_KEY = 0x5A;
while ((EFC0->EEFC_FSR & EEFC_FSR_FRDY) == 0);
EFC0->EEFC_FCR =
EEFC_FCR_FCMD(EEFC_FCMD_CGPB) |
EEFC_FCR_FARG(1) |
EEFC_FCR_FKEY(EEFC_KEY);
while ((EFC0->EEFC_FSR & EEFC_FSR_FRDY) == 0);
// From here flash memory is no more available.
// BANZAIIIIIII!!!
const int RSTC_KEY = 0xA5;
RSTC->RSTC_CR =
RSTC_CR_KEY(RSTC_KEY) |
RSTC_CR_PROCRST |
RSTC_CR_PERRST;
while (true);
}
// SAM3XA software restart
void cmd_boot(void) {
// See SAM3X data sheet for reference information. This is a software
// reset of processor, peripherals, and raises the NRST pin. Pretty
// much everything that can be reset is reset.
//
REG_RSTC_CR = (RSTC_CR_PROCRST | RSTC_CR_PERRST | RSTC_CR_EXTRST | RSTC_CR_KEY(0xA5));
while(1);
}
void brick_reset(void) {
logd("brick_reset\n\r");
RSTC->RSTC_MR = RSTC_MR_URSTEN |
(10 << RSTC_MR_ERSTL_Pos) |
RSTC_MR_KEY(0xA5);
RSTC->RSTC_CR = RSTC_CR_EXTRST |
RSTC_CR_PERRST |
RSTC_CR_PROCRST |
RSTC_CR_KEY(0xA5);
}
static void ctrl_sam3ucfg_cb(void)
{
switch(udd_g_ctrlreq.req.wValue & 0xFF)
{
/* Turn on slow clock */
case 0x01:
osc_enable(OSC_MAINCK_XTAL);
osc_wait_ready(OSC_MAINCK_XTAL);
pmc_switch_mck_to_mainck(CONFIG_SYSCLK_PRES);
break;
/* Turn off slow clock */
case 0x02:
pmc_switch_mck_to_pllack(CONFIG_SYSCLK_PRES);
break;
/* Jump to ROM-resident bootloader */
case 0x03:
/* Turn off connected stuff */
board_power(0);
/* Clear ROM-mapping bit. */
efc_perform_command(EFC0, EFC_FCMD_CGPB, 1);
/* Disconnect USB (will kill connection) */
udc_detach();
/* With knowledge that I will rise again, I lay down my life. */
while (RSTC->RSTC_SR & RSTC_SR_SRCMP);
RSTC->RSTC_CR |= RSTC_CR_KEY(0xA5) | RSTC_CR_PERRST | RSTC_CR_PROCRST;
while(1);
break;
#ifdef PLATFORMCW1180
/* 0xA0 starts CW1180 Specific Commands */
case 0xA0:
enable_lcd();
redraw_background();
break;
#endif
/* Oh well, sucks to be you */
default:
break;
}
}
// Reset peripherals and cpu
void HAL::resetHardware() {
//Davinci Specific, fancy effect
playsound (1000,400);
RSTC->RSTC_CR = RSTC_CR_KEY(0xA5) | RSTC_CR_PERRST | RSTC_CR_PROCRST;
}
// Reset peripherals and cpu
void HAL::resetHardware() {
RSTC->RSTC_CR = RSTC_CR_KEY(0xA5) | RSTC_CR_PERRST | RSTC_CR_PROCRST;
}
