// --------------------------------------------------------- // ATMEL Microcontroller Software Support - ROUSSET - // --------------------------------------------------------- // The software is delivered "AS IS" without warranty or // condition of any kind, either express, implied or // statutory. This includes without limitation any warranty // or condition with respect to merchantability or fitness // for any particular purpose, or against the infringements of // intellectual property rights of others. // --------------------------------------------------------- // File: SAM9XE_SRAM.mac // User setup file for CSPY debugger. // 1.1 08/Aug/06 jpp : Creation // // $Revision: 23594 $ // // --------------------------------------------------------- __var __mac_i; __var __mac_pt; /********************************************************************* * * execUserReset() : JTAG set initially to Full Speed */ execUserReset() { __message "------------------------------ execUserReset ---------------------------------"; _MapRAMAt0(); //* Set the RAM memory at 0x00200000 & 0x00000000 __PllSetting(); //* Init PLL __PllSetting100MHz(); __message "-------------------------------Set PC Reset ----------------------------------"; } /********************************************************************* * * execUserPreload() : JTAG set initially to 32kHz */ execUserPreload() { __message "------------------------------ execUserPreload ---------------------------------"; __hwReset(0); //* Hardware Reset: CPU is automatically halted after the reset (JTAG is already configured to 32kHz) __writeMemory32(0xD3,0x98,"Register"); //* Set CPSR __PllSetting(); //* Init PLL __PllSetting100MHz(); _MapRAMAt0(); //* Set the RAM memory at 0x0020 0000 & 0x0000 0000 _InitRSTC(); //* Enable User Reset to allow execUserReset() execution } /********************************************************************* * * _InitRSTC() * * Function description * Initializes the RSTC (Reset controller). * This makes sense since the default is to not allow user resets, which makes it impossible to * apply a second RESET via J-Link */ _InitRSTC() { __writeMemory32(0xA5000001, 0xFFFFFD08,"Memory"); // Allow user reset } /********************************************************************* * * _MapRAMAt0() * Function description * Remap RAM at 0 */ _MapRAMAt0() { // AT91C_MATRIX_MRCR ((AT91_REG *) 0xFFFFEF00) // (MATRIX) Master Remp Control Register __mac_i=__readMemory32(0xFFFFEF00,"Memory"); __message "----- AT91C_MATRIX_MRCR : 0x",__mac_i:%X; if ( ((__mac_i & 0x01) == 0) || ((__mac_i & 0x02) == 0)){ __message "------------------------------- The Remap is NOT & REMAP ----------------------------"; __writeMemory32(0x00000003,0xFFFFEF00,"Memory"); __mac_i=__readMemory32(0xFFFFEF00,"Memory"); __message "----- AT91C_MATRIX_MRCR : 0x",__mac_i:%X; } else { __message "------------------------------- The Remap is done -----------------------------------"; } } /********************************************************************* * * __PllSetting() * Function description * Initializes the PMC. * 1. Enable the Main Oscillator * 2. Configure PLL * 3. Switch Master */ __PllSetting() { if ((__readMemory32(0xFFFFFC30,"Memory")&0x3) != 0 ) { //* Disable all PMC interrupt ( $$ JPP) //* AT91C_PMC_IDR ((AT91_REG *) 0xFFFFFC64) //(PMC) Interrupt Disable Register //* pPmc->PMC_IDR = 0xFFFFFFFF; __writeMemory32(0xFFFFFFFF,0xFFFFFC64,"Memory"); //* AT91C_PMC_PCDR ((AT91_REG *) 0xFFFFFC14) //(PMC) Peripheral Clock Disable Register __writeMemory32(0xFFFFFFFF,0xFFFFFC14,"Memory"); // Disable all clock only Processor clock is enabled. __writeMemory32(0xFFFFFFFE,0xFFFFFC04,"Memory"); // AT91C_PMC_MCKR ((AT91_REG *) 0xFFFFFC30) // (PMC) Master Clock Register __writeMemory32(0x00000001,0xFFFFFC30,"Memory"); __sleep(10000); // write reset value to PLLA and PLLB // AT91C_PMC_PLLAR ((AT91_REG *) 0xFFFFFC28) // (PMC) PLL A Register __writeMemory32(0x00003F00,0xFFFFFC28,"Memory"); // AT91C_PMC_PLLBR ((AT91_REG *) 0xFFFFFC2C) // (PMC) PLL B Register __writeMemory32(0x00003F00,0xFFFFFC2C,"Memory"); __sleep(10000); __message "------------------------------- PLL Enable -----------------------------------------"; } else { __message " ********* Core in SLOW CLOCK mode ********* "; } } /********************************************************************* * * __PllSetting100MHz() * Function description * Set core at 200 MHz and MCK at 100 MHz */ __PllSetting100MHz() { __message "------------------------------- PLL Set at 100 MHz ----------------------------------"; //* pPmc->PMC_MOR = (( AT91C_CKGR_OSCOUNT & (0x40 <<8) | AT91C_CKGR_MOSCEN )); __writeMemory32(0x00004001,0xFFFFFC20,"Memory"); __sleep(10000); // AT91C_PMC_MCKR ((AT91_REG *) 0xFFFFFC30) // (PMC) Master Clock Register __writeMemory32(0x00000001,0xFFFFFC30,"Memory"); __sleep(10000); //* AT91C_BASE_CKGR->CKGR_PLLAR = (AT91C_CKGR_SRCA | ((96 << 16) & AT91C_CKGR_MULA) | // (AT91C_CKGR_PLLACOUNT | (AT91C_CKGR_OUTA_0 | (9); __writeMemory32(0x2060BF09,0xFFFFFC28,"Memory"); __sleep(10000); //* AT91C_BASE_PMC->PMC_MCKR = AT91C_PMC_CSS_PLLA_CLK | AT91C_PMC_PRES_CLK | AT91C_PMC_MDIV_2;; __writeMemory32(0x00000102,0xFFFFFC30,"Memory"); __sleep(10000); }