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Make the bootrom correctly nack in case of flash write error (e.g. due to lock bits)

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henryk@ploetzli.ch
2010-01-01 14:56:25 +00:00
parent 0d974852ce
commit 4ab6281664
2 changed files with 11 additions and 1 deletions
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10
bootrom/bootrom.c
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@@ -117,8 +117,16 @@ void UsbPacketReceived(BYTE *packet, int len)
MC_FLASH_COMMAND_PAGEN((c->arg[0]-(int)&_flash_start)/AT91C_IFLASH_PAGE_SIZE) |
AT91C_MC_FCMD_START_PROG;
}
while(!(AT91C_BASE_EFC0->EFC_FSR & MC_FLASH_STATUS_READY))
uint32_t sr;
while(!((sr = AT91C_BASE_EFC0->EFC_FSR) & MC_FLASH_STATUS_READY))
;
if(sr & (MC_FLASH_STATUS_LOCKE | MC_FLASH_STATUS_PROGE)) {
dont_ack = 1;
c->cmd = CMD_NACK;
UsbSendPacket(packet, len);
}
break;
case CMD_HARDWARE_RESET: