//------------------------------------------------------------------------------
/// Applet code for initializing the external RAM.
//------------------------------------------------------------------------------
int main(int argc, char **argv)
{
struct _Mailbox *pMailbox = (struct _Mailbox *) argv;
unsigned int ramType = 0;
unsigned int dataBusWidth = 0;
unsigned int ddrModel = 0;
unsigned int baseAddress = 0;
unsigned int *ramAddr = (unsigned int *) EXTRAM_ADDR;
unsigned int comType = 0;
TRACE_CONFIGURE_ISP(DBGU_STANDARD, 115200, BOARD_MCK);
// ----------------------------------------------------------
// INIT:
// ----------------------------------------------------------
if (pMailbox->command == APPLET_CMD_INIT) {
// Save info of communication link
comType = pMailbox->argument.inputInit.comType;
#if (TRACE_LEVEL==0) && (DYN_TRACES==0)
if (comType == DBGU_COM_TYPE){
// Function TRACE_CONFIGURE_ISP wiil be bypass due to the 0 TRACE_LEVEL. We shall reconfigure the baut rate.
DBGU_Configure(DBGU_STANDARD, 115200, BOARD_MCK);
}
#endif
// Enable User Reset
AT91C_BASE_RSTC->RSTC_RMR |= AT91C_RSTC_URSTEN | (0xA5<<24);
ramType = pMailbox->argument.inputInit.ramType;
dataBusWidth = pMailbox->argument.inputInit.dataBusWidth;
ddrModel = pMailbox->argument.inputInit.ddrModel;
baseAddress = pMailbox->argument.inputInit.baseAddress;
#if (DYN_TRACES == 1)
traceLevel = pMailbox->argument.inputInit.traceLevel;
#endif
TRACE_INFO("-- EXTRAM Applet %s --\n\r", SAM_BA_APPLETS_VERSION);
TRACE_INFO("-- %s\n\r", BOARD_NAME);
TRACE_INFO("-- Compiled: %s %s --\n\r", __DATE__, __TIME__);
TRACE_INFO("INIT command:\n\r");
TRACE_INFO("\tCommunication link type : %d\n\r", pMailbox->argument.inputInit.comType);
TRACE_INFO("\tData bus width : %d bits\n\r", dataBusWidth);
if (ramType == TYPE_SDRAM) {
TRACE_INFO("\tExternal RAM type : %s\n\r", "SDRAM");
}
else {
if (ramType == TYPE_DDRAM) {
TRACE_INFO("\tExternal RAM type : %s\n\r", "DDRAM");
}
else {
TRACE_INFO("\tExternal RAM type : %s\n\r", "PSRAM");
}
}
#if defined(at91cap7) || defined(at91cap9) || defined(at91sam9m10) || defined(at91sam9g45)
TRACE_INFO("\tInit EBI Vdd : %s\n\r", (pMailbox->argument.inputInit.VddMemSel)?"3.3V":"1.8V");
BOARD_ConfigureVddMemSel(pMailbox->argument.inputInit.VddMemSel);
#endif //defined(at91cap9)
if (pMailbox->argument.inputInit.ramType == TYPE_SDRAM) {
// Configure SDRAM controller
TRACE_INFO("\tInit SDRAM...\n\r");
#if defined(PINS_SDRAM)
BOARD_ConfigureSdram(dataBusWidth);
#endif
}
else if (pMailbox->argument.inputInit.ramType == TYPE_PSRAM) {
TRACE_INFO("\tInit PSRAM...\n\r");
#if defined(at91sam3u)
BOARD_ConfigurePsram();
#endif
}
else {
// Configure DDRAM controller
#if defined(at91sam9m10) || defined(at91sam9g45)
TRACE_INFO("\tInit DDRAM ... (model : %d)\n\r", ddrModel);
BOARD_ConfigureDdram(baseAddress, ddrModel, dataBusWidth);
if (baseAddress != (unsigned int)AT91C_BASE_DDR2C) {
ramAddr = (unsigned int *)EXTRAM_ADDR_2;
}
#elif defined(at91cap9dk)
TRACE_INFO("\tInit DDRAM ... (model : %d)\n\r", ddrModel);
BOARD_ConfigureDdram(ddrModel, dataBusWidth);
#endif
}
// Test external RAM access
if (ExtRAM_TestOk(ramAddr)) {
pMailbox->status = APPLET_SUCCESS;
}
else {
pMailbox->status = APPLET_FAIL;
}
pMailbox->argument.outputInit.bufferAddress = ((unsigned int) &end);
pMailbox->argument.outputInit.bufferSize = 0;
pMailbox->argument.outputInit.memorySize = EXTRAM_SIZE;
TRACE_INFO("\tInit successful.\n\r");
}
// Acknowledge the end of command
TRACE_INFO("\tEnd of applet (command : %x --- status : %x)\n\r", pMailbox->command, pMailbox->status);
// Notify the host application of the end of the command processing
pMailbox->command = ~(pMailbox->command);
// Send ACK character
if (comType == DBGU_COM_TYPE) {
DBGU_PutChar(0x6);
}
return 0;
}
//------------------------------------------------------------------------------
/// Applet code for initializing the external RAM.
//------------------------------------------------------------------------------
int main(int argc, char **argv)
{
struct _Mailbox *pMailbox = (struct _Mailbox *) argv;
unsigned int ramType = 0;
unsigned int bufferSize, bufferAddr, memoryOffset;
unsigned int bytesToWrite;
unsigned int tempBufferAddr;
unsigned int dataBusWidth = 0;
unsigned int ddrModel = 0;
LowLevelInit();
TRACE_CONFIGURE_ISP(DBGU_STANDARD, 115200, BOARD_MCK);
/* *AT91C_PMC_PCER = AT91C_ID_PIOA;
*AT91C_PIOA_PDR = (1<<31);
*AT91C_PIOA_OER = (1<<31);
*AT91C_PIOA_BSR = (1<<31);
*AT91C_PIOA_PER = (1<<0);
*AT91C_PIOA_OER = (1<<0);
*AT91C_PMC_PCKR = (1<<8); // select master clock
*AT91C_PMC_SCER = (1<<8); // ENABLE PCK0*/
TRACE_INFO("Statup: PMC_MCKR %x MCK = %d command = %d\n\r", *AT91C_PMC_MCKR, BOARD_MCK, pMailbox->command);
// ----------------------------------------------------------
// INIT:
// ----------------------------------------------------------
if (pMailbox->command == APPLET_CMD_INIT) {
// Initialize PMC
// BOARD_RemapRam();
// Enable User Reset
AT91C_BASE_RSTC->RSTC_RMR |= AT91C_RSTC_URSTEN | (0xA5<<24);
ramType = pMailbox->argument.inputInit.ramType;
dataBusWidth = pMailbox->argument.inputInit.dataBusWidth;
ddrModel = pMailbox->argument.inputInit.ddrModel;
//#if (DYN_TRACES == 1)
// traceLevel = pMailbox->argument.inputInit.traceLevel;
//#endif
TRACE_INFO("-- EXTRAM ISP Applet %s --\n\r", SAM_BA_APPLETS_VERSION);
TRACE_INFO("-- %s\n\r", BOARD_NAME);
TRACE_INFO("-- Compiled: %s %s %s --\n\r", __DATE__, __TIME__, __GIT__);
TRACE_INFO("INIT command:\n\r");
TRACE_INFO("\tCommunication link type : %d\n\r", pMailbox->argument.inputInit.comType);
TRACE_INFO("\tData bus width : %d bits\n\r", dataBusWidth);
if (ramType == TYPE_SDRAM) {
TRACE_INFO("\tExternal RAM type : %s\n\r", "SDRAM");
}
else {
if (ramType == TYPE_DDRAM) {
TRACE_INFO("\tExternal RAM type : %s\n\r", "DDRAM");
}
else {
TRACE_INFO("\tExternal RAM type : %s\n\r", "PSRAM");
}
}
#if defined(at91cap9) || defined(at91sam9m10) || defined(at91sam9g45)
TRACE_INFO("\tInit EBI Vdd : %s\n\r", (pMailbox->argument.inputInit.VddMemSel)?"3.3V":"1.8V");
BOARD_ConfigureVddMemSel(pMailbox->argument.inputInit.VddMemSel);
#endif //defined(at91cap9)
if (pMailbox->argument.inputInit.ramType == TYPE_SDRAM) {
// Configure SDRAM controller
TRACE_INFO("\tInit SDRAM...\n\r");
#if defined(PINS_SDRAM)
BOARD_ConfigureSdram(dataBusWidth);
#endif
}
else if (pMailbox->argument.inputInit.ramType == TYPE_PSRAM) {
TRACE_INFO("\tInit PSRAM...\n\r");
#if defined(at91sam3u4)
BOARD_ConfigurePsram();
#endif
}
else {
// Configure DDRAM controller
#if defined(at91cap9dk) || defined(at91sam9m10) || defined(at91sam9g45)
TRACE_INFO("\tInit DDRAM ... (model : %d)\n\r", ddrModel);
BOARD_ConfigureVddMemSel(VDDMEMSEL_1V8);
BOARD_ConfigureDdram(0, dataBusWidth);
// ddramc_hw_init();
#endif
}
TRACE_INFO("\tInit successful.\n\r");
}
// ----------------------------------------------------------
// LIST_BAD_BLOCK: (Check DDR)
// ----------------------------------------------------------
else if (pMailbox->command == APPLET_CMD_LIST_BAD_BLOCKS)
{
// Test external RAM access
if (ExtRAM_TestOk()) {
pMailbox->status = APPLET_SUCCESS;
}
else {
pMailbox->status = APPLET_FAIL;
}
pMailbox->argument.outputInit.bufferAddress = ((unsigned int) &end);
pMailbox->argument.outputInit.bufferSize = 0;
pMailbox->argument.outputInit.memorySize = EXTRAM_SIZE;
}
// ----------------------------------------------------------
// WRITE:
// ----------------------------------------------------------
else if (pMailbox->command == APPLET_CMD_WRITE)
{
memoryOffset = pMailbox->argument.inputWrite.memoryOffset;
bufferAddr = pMailbox->argument.inputWrite.bufferAddr;
bytesToWrite = pMailbox->argument.inputWrite.bufferSize;
tempBufferAddr = bufferAddr+memoryOffset;
TRACE_INFO("WRITE arguments : offset 0x%x, run 0x%x, of 0x%x Bytes\n\r",
memoryOffset, tempBufferAddr, bytesToWrite);
pMailbox->argument.outputWrite.bytesWritten = 0;
/*
* We must define the following
* - MACH_TYPE_xxx
* - Setup the kernel tagged list (http://www.arm.linux.org.uk/developer/booting.php#4)
* first 16KiB of RAM.
*
* we recommend to load at 32KiB into RAM
*/
//Fake the end of the applet because we will not be able to do anything after this step
if (bytesToWrite < EXTRAM_SIZE)
{
pMailbox->status = APPLET_SUCCESS;
}
else
{
pMailbox->status = APPLET_FAIL;
}
pMailbox->command = ~(pMailbox->command);
//Going to
((VFptr *)(EXTRAM_ADDR+memoryOffset))();
}
exit :
// Acknowledge the end of command
TRACE_INFO("\tEnd of applet (command : %x --- status : %x)\n\r", pMailbox->command, pMailbox->status);
// Notify the host application of the end of the command processing
pMailbox->command = ~(pMailbox->command);
return 0;
}
/**
* \brief Applet code for initializing the external RAM.
*/
int main(int argc, char **argv)
{
struct _Mailbox *pMailbox = (struct _Mailbox *) argv;
uint32_t ramType = 0;
uint32_t dataBusWidth = 0;
uint32_t ddrModel = 0;
uint32_t comType = 0;
/* ---------------------------------------------------------- */
/* INIT: */
/* ---------------------------------------------------------- */
if (pMailbox->command == APPLET_CMD_INIT) {
/* Save info of communication link */
comType = pMailbox->argument.inputInit.comType;
/* Re-configurate UART (MCK maybe change in LowLevelInit()) */
UART_Configure(115200, BOARD_MCK);
ramType = pMailbox->argument.inputInit.ramType;
dataBusWidth = pMailbox->argument.inputInit.dataBusWidth;
ddrModel = pMailbox->argument.inputInit.ddrModel;
#if (DYN_TRACES == 1)
dwTraceLevel = pMailbox->argument.inputInit.traceLevel;
#endif
TRACE_INFO("-- EXTRAM Applet %s --\n\r", SAM_BA_APPLETS_VERSION);
TRACE_INFO("-- %s\n\r", BOARD_NAME);
TRACE_INFO("INIT command:\n\r");
TRACE_INFO("\tCommunication link type : %d\n\r",(unsigned int)( pMailbox->argument.inputInit.comType));
TRACE_INFO("\tData bus width : %d bits\n\r", (unsigned int)dataBusWidth);
if (ramType == TYPE_SDRAM) {
TRACE_INFO("\tExternal RAM type : %s\n\r", "SDRAM");
}
else {
TRACE_INFO("\tUnknow External RAM type\n\r");
}
if (pMailbox->argument.inputInit.ramType == TYPE_SDRAM) {
/* Configure SDRAM controller */
TRACE_INFO("\tInit SDRAM...\n\r");
BOARD_ConfigureSdram();
}
/* Test external RAM access */
if (ExtRAM_TestOk()) {
pMailbox->status = APPLET_SUCCESS;
TRACE_INFO("\tInit successful.\n\r");
}
else {
pMailbox->status = APPLET_FAIL;
TRACE_INFO("\tInit failure.\n\r");
}
pMailbox->argument.outputInit.bufferAddress = ((uint32_t) &end);
pMailbox->argument.outputInit.bufferSize = 0;
pMailbox->argument.outputInit.memorySize = EXTRAM_SIZE;
}
/* Acknowledge the end of command */
TRACE_INFO("\tEnd of applet (command : %x --- status : %x)\n\r", (unsigned int)(pMailbox->command), (unsigned int)(pMailbox->status));
/* Notify the host application of the end of the command processing */
pMailbox->command = ~(pMailbox->command);
if (comType == DBGU_COM_TYPE) {
UART_PutChar(0x6);
}
return 0;
}
