?? board.c
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#include "arch.h"#include "mcfuart.h"char ident[] = "Motorola 5272 C3";char copyright[] = "(C) 1999, Moreton Bay Ventures, Rob Scott, Roland Seuhs\n(C) 2001 Key Technology, Travis Griggs, Ken Treis";extern unsigned int downloadPort;extern unsigned int image_size;extern unsigned char *xfer_addr;extern unsigned char *down_addr;extern unsigned char *dest_addr;extern unsigned char *source_addr;extern unsigned long consoleBase;void configureConsole(){ consoleBase = MCFUART_BASE1; configureSerial(consoleBase, 19200, MCF_CLK);}void configureAuxSerial(){ configureSerial(MCFUART_BASE2, 115200, MCF_CLK);}void setLED() {};void setImageParams(){ downloadPort = 1; image_size = 0x00080000; source_addr = (unsigned char *)0xfff40000; down_addr = (unsigned char *)0xfff40000; xfer_addr = (unsigned char *)0x20000; dest_addr = (unsigned char *)0x20000;}void setupBoard(){ volatile unsigned char *mbar; mbar = (volatile unsigned char *) MCF_MBAR; // stuff that was added for dbug compliance (sim_init) mbar_writeShort(MCFSIM_SCR, 0x0003); mbar_writeShort(MCFSIM_SPR, 0xFFFF); mbar_writeLong(MCFSIM_ICR1, 0x88888888); mbar_writeLong(MCFSIM_ICR2, 0x88888888); mbar_writeLong(MCFSIM_ICR3, 0x88888888); mbar_writeLong(MCFSIM_ICR4, 0x88880000); mbar_writeLong(MCFSIM_PITR, 0x00000000); mbar_writeByte(MCFSIM_PIVR, 0x00000040); mbar_writeLong(MCFSIM_PACNT, 0x00000000); // more stuff from dbug (gpio_init) mbar_writeShort(MCFSIM_PADDR, 0x0000); mbar_writeLong(MCFSIM_PBCNT, 0x55554155); // PBCNT allows the console to work mbar_writeShort(MCFSIM_PBDDR, 0x0000); mbar_writeLong(MCFSIM_PDCNT, 0x00000000); // CS0: FLASH mbar_writeLong(MCFSIM_CSBR0, 0xF0000201); mbar_writeLong(MCFSIM_CSOR0, 0xFFE00014); // CS2: External 512K SRAM -- may or may not be there mbar_writeLong(MCFSIM_CSBR2, 0x30000001); mbar_writeLong(MCFSIM_CSOR2, 0xFFF80000); // CS7: SDRAM // Match = 0x003xxxxx, SDRAM = 0x400, Cache Line = 0x300, Enable = 1 mbar_writeLong(MCFSIM_CSBR7, 0x00000701); mbar_writeLong(MCFSIM_CSOR7, 0xFFC0007C); // CS1, CS3, CS4, CS5, and CS6 are unused on the M5272C3. mbar_writeLong(MCFSIM_CSBR1, 0); mbar_writeLong(MCFSIM_CSOR1, 0); mbar_writeLong(MCFSIM_CSBR3, 0); mbar_writeLong(MCFSIM_CSOR3, 0); mbar_writeLong(MCFSIM_CSBR4, 0); mbar_writeLong(MCFSIM_CSOR4, 0); mbar_writeLong(MCFSIM_CSBR5, 0); mbar_writeLong(MCFSIM_CSOR5, 0); mbar_writeLong(MCFSIM_CSBR6, 0); mbar_writeLong(MCFSIM_CSOR6, 0);}void setupDRAM(){ volatile unsigned char *mbar = (unsigned char *)MCF_MBAR; mbar_writeLong(MCFSIM_SDTR, 0xF539); mbar_writeLong(MCFSIM_SDCR, 0x4211); // Dummy write to start SDRAM *((volatile unsigned long *)0) = 0;}
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