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Diffstat (limited to 'AT91SAM7S256/SAM7S256/Tools/FlashAT91SAM7Sxx.mac')
-rw-r--r--AT91SAM7S256/SAM7S256/Tools/FlashAT91SAM7Sxx.mac143
1 files changed, 143 insertions, 0 deletions
diff --git a/AT91SAM7S256/SAM7S256/Tools/FlashAT91SAM7Sxx.mac b/AT91SAM7S256/SAM7S256/Tools/FlashAT91SAM7Sxx.mac
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+++ b/AT91SAM7S256/SAM7S256/Tools/FlashAT91SAM7Sxx.mac
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+// ---------------------------------------------------------
+// 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: SAM7_RAM.mac
+//
+// User setup file for CSPY debugger to simulate interrupt
+// driven Fibonacchi data input.
+// 1.1 18/Aug/04 JPP : Creation
+// 1.2 27/Aug/04 JPP : PLL setting
+// 1.3 04/Apr/05 JPP : Change variable name
+//
+// $Revision: 1.2 $
+//
+// ---------------------------------------------------------
+
+__var __mac_i;
+__var __mac_pt;
+
+execUserFlashInit()
+{
+ __message " ---------------------------------------- FLASH Download V1.1";
+ PllSetting();
+ execUserPreload();
+ execUserSetup();
+}
+execUserPreload()
+{
+//*
+ __message "-------------------------------Set CPSR ----------------------------------";
+ __writeMemory32(0xffffffff,0xFFFFFC14,"Memory");
+ __writeMemory32(0xD3,0x98,"Register");
+ __mac_i=__readMemory32(0x98,"Register"); __message "CPSR ",__mac_i:%X;
+
+//* Init AIC
+
+// Mask All interrupt pAic->AIC_IDCR = 0xFFFFFFFF;
+ __writeMemory32(0xffffffff,0xFFFFF124,"Memory");
+ __writeMemory32(0xffffffff,0xFFFFF128,"Memory");
+
+// #define AT91C_TC0_SR ((AT91_REG *) 0xFFFA0020) // (TC0) Status Register
+// #define AT91C_TC1_SR ((AT91_REG *) 0xFFFA0060) // (TC1) Status Register
+// #define AT91C_TC2_SR ((AT91_REG *) 0xFFFA00A0) // (TC2) Status Register
+ __readMemory32(0xFFFA0020,"Memory");
+ __readMemory32(0xFFFA0060,"Memory");
+ __readMemory32(0xFFFA00A0,"Memory");
+// disable peripheral clock Peripheral Clock Disable Register
+ __writeMemory32(0xffffffff,0xFFFFFC14,"Memory");
+
+ for (__mac_i=0;__mac_i < 8; __mac_i++)
+ {
+ // AT91C_BASE_AIC->AIC_EOICR
+ __mac_pt = __readMemory32(0xFFFFF130,"Memory");
+
+ }
+
+ PllSetting();
+//* Set the RAM memory at 0x0020 0000 for code AT 0 flash area
+ CheckNoRemap();
+//* Get the Chip ID (AT91C_DBGU_C1R & AT91C_DBGU_C2R
+ __mac_i=__readMemory32(0xFFFFF240,"Memory");
+ __message " ---------------------------------------- Chip ID 0x",__mac_i:%X;
+ __mac_i=__readMemory32(0xFFFFF244,"Memory");
+ __message " ---------------------------------------- Extention 0x",__mac_i:%X;
+ __mac_i=__readMemory32(0xFFFFFF6C,"Memory");
+ __message " ---------------------------------------- Flash Version 0x",__mac_i:%X;
+//* Get the chip status
+
+//* Watchdog Disable
+// AT91C_BASE_WDTC->WDTC_WDMR= AT91C_SYSC_WDDIS;
+ __writeMemory32(0x00008000,0xFFFFFD44,"Memory");
+}
+//-----------------------------------------------------------------------------
+// PllSetting
+//-------------------------------
+// Set PLL
+//-----------------------------------------------------------------------------
+PllSetting()
+{
+// -1- Enabling the Main Oscillator:
+//*#define AT91C_PMC_MOR ((AT91_REG *) 0xFFFFFC20) // (PMC) Main Oscillator Register
+//*#define AT91C_PMC_PLLR ((AT91_REG *) 0xFFFFFC2C) // (PMC) PLL Register
+//*#define AT91C_PMC_MCKR ((AT91_REG *) 0xFFFFFC30) // (PMC) Master Clock Register
+
+//*pPMC->PMC_MOR = (( AT91C_CKGR_OSCOUNT & (0x06 <<8) | //0x0000 0600
+// AT91C_CKGR_MOSCEN )); //0x0000 0001
+__writeMemory32(0x00000601,0xFFFFFC20,"Memory");
+
+// -2- Wait
+// -3- Setting PLL and divider:
+// - div by 5 Fin = 3,6864 =(18,432 / 5)
+// - Mul 25+1: Fout = 95,8464 =(3,6864 *26)
+// for 96 MHz the erroe is 0.16%
+// Field out NOT USED = 0
+// PLLCOUNT pll startup time esrtimate at : 0.844 ms
+// PLLCOUNT 28 = 0.000844 /(1/32768)
+// pPMC->PMC_PLLR = ((AT91C_CKGR_DIV & 0x05) | //0x0000 0005
+// (AT91C_CKGR_PLLCOUNT & (28<<8)) //0x0000 1C00
+// (AT91C_CKGR_MUL & (25<<16))); //0x0019 0000
+__writeMemory32(0x00191C05,0xFFFFFC2C,"Memory");
+// -2- Wait
+// -5- Selection of Master Clock and Processor Clock
+// select the PLL clock divided by 2
+// pPMC->PMC_MCKR = AT91C_PMC_CSS_PLL_CLK | //0x0000 0003
+// AT91C_PMC_PRES_CLK_2 ; //0x0000 0004
+__writeMemory32(0x00000007,0xFFFFFC30,"Memory");
+
+ __message " ---------------------------------------- PLL Enable ";
+}
+
+CheckNoRemap()
+{
+//* Read the value at 0x0
+ __mac_i=__readMemory32(0x00000000,"Memory");
+ __mac_i=__mac_i+1;
+ __writeMemory32(__mac_i,0x00,"Memory");
+ __mac_pt=__readMemory32(0x00000000,"Memory");
+
+ if (__mac_i == __mac_pt)
+ {
+ __message "------------------------------- The Remap is done ----------------------------------------";
+
+ } else {
+ __message "------------------------------- The Remap is NOT -----------------------------------------";
+//* Toggel RESET The remap
+ __writeMemory32(0x00000001,0xFFFFFF00,"Memory");
+ }
+
+}
+
+execUserSetup()
+{
+ __writeMemory32(0x0D3,0x98,"Register");
+ __message "-------------------------------Set PC ----------------------------------------";
+ __writeMemory32(0x00000000,0xB4,"Register");
+}
+