📄 dec6713.gel
字号:
/*--------------------------------------------------------------*/
/* DEC6713.gel */
/* version 2.02 */
/* */
/* This GEL file is designed to be used in conjunction with */
/* CCS 2.21 and the TMS320C6713 DSP based DEC. */
/* */
/*--------------------------------------------------------------*/
/*--------------------------------------------------------------*/
/* The StartUp() function is called each time CCS is started. */
/* Customize this function to perform desired initialization. */
/*--------------------------------------------------------------*/
StartUp()
{
setup_memory_map();
GEL_Reset();
init_emif();
}
/*--------------------------------------------------------------*/
/* Setup memory map for C6713 DEC. */
/* */
/*--------------------------------------------------------------*/
setup_memory_map()
{
GEL_MapOn();
GEL_MapReset();
/* On-chip memory map */
GEL_MapAdd(0x00000000,0,0x00030000,1,1); /* Internal RAM (L2) mem */
GEL_MapAdd(0x01800000,0,0x00000024,1,1); /* EMIF control regs */
GEL_MapAdd(0x01840000,0,0x00000004,1,1); /* Cache configuration reg */
GEL_MapAdd(0x01844000,0,0x00000020,1,1); /* L2 base addr & count regs*/
GEL_MapAdd(0x01844020,0,0x00000020,1,1); /* L1 base addr & count regs*/
GEL_MapAdd(0x01845000,0,0x00000008,1,1); /* L2 flush & clean regs */
GEL_MapAdd(0x01848200,0,0x00000010,1,1); /* CE0 mem attribute regs */
GEL_MapAdd(0x01848240,0,0x00000010,1,1); /* CE1 mem attribute regs */
GEL_MapAdd(0x01848280,0,0x00000010,1,1); /* CE2 mem attribute regs */
GEL_MapAdd(0x018482c0,0,0x00000010,1,1); /* CE3 mem attribute regs */
GEL_MapAdd(0x01880000,0,0x00000004,1,1); /* HPI control reg */
GEL_MapAdd(0x018c0000,0,0x00000028,1,1); /* McBSP0 regs */
GEL_MapAdd(0x01900000,0,0x00000028,1,1); /* McBSP1 regs */
GEL_MapAdd(0x01940000,0,0x0000000c,1,1); /* Timer0 regs */
GEL_MapAdd(0x01980000,0,0x0000000c,1,1); /* Timer1 regs */
GEL_MapAdd(0x019c0000,0,0x0000000c,1,1); /* Interrupt selector regs */
GEL_MapAdd(0x019c0200,0,0x00000004,1,1); /* Device configuration */
GEL_MapAdd(0x01a00000,0,0x00000800,1,1); /* EDMA parameter RAM */
GEL_MapAdd(0x01a0ffe0,0,0x00000020,1,1); /* EDMA control regs */
GEL_MapAdd(0x01b00000,0,0x0000002b,1,1); /* GPIO */
GEL_MapAdd(0x01b40000,0,0x0000003c,1,1); /* I2C0 */
GEL_MapAdd(0x01b44000,0,0x0000003c,1,1); /* I2C1 */
GEL_MapAdd(0x01b4c000,0,0x00000300,1,1); /* McASP0 */
GEL_MapAdd(0x01b50000,0,0x00000300,1,1); /* McASP1 */
GEL_MapAdd(0x01b7c000,0,0x00000128,1,1); /* PLL */
GEL_MapAdd(0x01bc0000,0,0x00000050,1,1); /********cTools*********/
GEL_MapAdd(0x02000000,0,0x00000014,0,1); /* QDMA regs */
GEL_MapAdd(0x02000020,0,0x00000014,0,1); /* QDMA pseudo-regs */
GEL_MapAdd(0x30000000,0,0x04000000,1,1); /* McBSP0 data */
GEL_MapAdd(0x34000000,0,0x04000000,1,1); /* McBSP1 data */
GEL_MapAdd(0x3c000000,0,0x04000000,1,1); /* McASP0 data */
GEL_MapAdd(0x3c100000,0,0x04000000,1,1); /* McASP1 data */
/* Off-chip memory map */
GEL_MapAdd(0x80000000,0,0x01000000,1,1); /* CE0, SDRAM, 16 MBytes */
GEL_MapAdd(0x90000000,0,0x00020000,1,1); /* CE1, 8-bit ROM, 128KBytes*/
GEL_MapAdd(0x90080000,0,0x00000008,1,1); /* CE1, 8-bit I/O port */
GEL_MapAdd(0xA0000000,0,0x10000000,1,1); /* CE2 - SBSRAM */
GEL_MapAdd(0xB0000000,0,0x10000000,1,1); /* CE3 - Daughtercard */
}
/*--------------------------------------------------------------*/
/* CPLD DEFINITIONS */
/*--------------------------------------------------------------*/
#define DEC6713_CTL_REG 0x90080000
#define DEC6713_INTSTAT_REG 0x90080001
#define DEC6713_STAT_REG 0x90080002
#define DEC6713_WDT_REG 0x90080006
/*#define Get_Board_Rev ((*(char *)CPLD_REV) & 0x07)
#define Get_Cpld_Rev ((*(char *)CPLD_REV>>4) & 0x0F)
#define Get_Switches ((*(char *)CPLD_STAT>>4) & 0x0F)
#define LED0_on *(char *)CPLD_STAT = 0x01
#define LED1_on *(char *)CPLD_STAT = 0x02
#define LED2_on *(char *)CPLD_STAT = 0x04
#define LED3_on *(char *)CPLD_STAT = 0x08
#define LEDs_off *(char *)CPLD_STAT = 0x00*/
/*--------------------------------------------------------------*/
/* init_emif() */
/*--------------------------------------------------------------*/
init_emif()
{
#define EMIF_GCTL 0x01800000
#define EMIF_CE1 0x01800004
#define EMIF_CE0 0x01800008
#define EMIF_CE2 0x01800010
#define EMIF_CE3 0x01800014
#define EMIF_SDRAMCTL 0x01800018
#define EMIF_SDRAMTIM 0x0180001C
#define EMIF_SDRAMEXT 0x01800020
#define EMIF_CCFG 0x01840000; /* Cache configuration register */
/* EMIF setup */
*(int *)EMIF_GCTL = 0x00000068;
*(int *)EMIF_CE0 = 0xffffbf33; /* CE0 SDRAM */
*(int *)EMIF_CE1 = 0x02208802; /* CE1 Flash 16-bit */
*(int *)EMIF_CE2 = 0x22a28a22; /* CE2 Daughtercard 32-bit async */
*(int *)EMIF_CE3 = 0x22a28a22; /* CE3 Daughtercard 32-bit async */
//if (Get_Board_Rev == 2)
// {
*(int *)EMIF_SDRAMCTL = 0x57115000; /* SDRAM control (16 Mb) */
// } else
// {
// *(int *)EMIF_SDRAMCTL = 0x47115000; /* SDRAM control (8 Mb) */
// }
*(int *)EMIF_SDRAMTIM = 0x00000578; /* SDRAM timing (refresh) */
*(int *)EMIF_SDRAMEXT = 0x000a8529; /* SDRAM Extension register */
}
/*--------------------------------------------------------------*/
/* clear_memory_map() */
/*--------------------------------------------------------------*/
clear_memory_map()
{
GEL_MapOff();
}
/*--------------------------------------------------------------*/
/* FlushCache() */
/*--------------------------------------------------------------*/
FlushCache()
{
/* Invalidate L1P and L1D */
*(int *)0x01840000 = (*(int *)0x01840000 | 0x00000300);
/* Clean L2 */
*(int *)0x01845004 = 0x1;
}
/*--------------------------------------------------------------*/
/* OnReset() */
/*--------------------------------------------------------------*/
OnReset(int nErrorCode)
{
/* A debugger reset or GEL_Reset() does NOT reset the C6713
* pll. Uncomment the following line if you want your pll
* reset.
*/
/*reset_pll(); */
init_emif();
}
/*--------------------------------------------------------------*/
/* OnPreFileLoaded() */
/* This function is called automatically when the 'Load Program'*/
/* Menu item is selected. */
/*--------------------------------------------------------------*/
OnPreFileLoaded()
{
/* GEL_Reset(); -- Commented out for CCS 2.20 */
FlushCache();
IER = 0;
IFR = 0;
init_emif();
}
/*--------------------------------------------------------------*/
/* OnRestart() */
/* This function is called by CCS when you do Debug->Restart. */
/* The goal is to put the C6x into a known good state with */
/* respect to cache, edma and interrupts. */
/* Failure to do this can cause problems when you restart and */
/* run your application code multiple times. This is different */
/* then OnPreFileLoaded() which will do a GEL_Reset() to get the*/
/* C6x into a known good state. */
/*--------------------------------------------------------------*/
OnRestart(int nErrorCode )
{
/* Turn off L2 for all EMIFA CE spaces. App should
* manage these for coherancy in the application.
* GEL_TextOut("Turn off cache segment\n");
*/
*(int *)0x1848200 = 0; /* MAR0 */
*(int *)0x1848204 = 0; /* MAR1 */
*(int *)0x1848208 = 0; /* MAR2 */
*(int *)0x184820c = 0; /* MAR3 */
/* Disable EDMA events and interrupts and clear any
* pending events.
* GEL_TextOut("Disable EDMA event\n");
*/
*(int *)0x01A0FFE8 = 0; /* CIERL */
*(int *)0x01A0FFF4 = 0; /* EERL */
*(int *)0x01A0FFF8 = 0xFFFFFFFF; /* ECRL */
/* Disable other interrupts */
IER = 0;
IFR = 0;
}
/*--------------------------------------------------------------*/
/* RESET MENU */
/*--------------------------------------------------------------*/
menuitem "Resets";
hotmenu ClearBreakPts_Reset_EMIFset()
{
GEL_BreakPtReset();
GEL_Reset();
init_emif();
}
hotmenu Flush_Cache()
{
FlushCache();
}
hotmenu ResetPll()
{
reset_pll();
}
hotmenu InitPll()
{
init_pll();
}
hotmenu InitCpld()
{
init_cpld();
}
/*--------------------------------------------------------------*/
/* MEMORY MAP MENU */
/*--------------------------------------------------------------*/
menuitem "Memory Map";
hotmenu SetMemoryMap()
{
setup_memory_map();
}
hotmenu ClearMemoryMap()
{
clear_memory_map();
}
/*--------------------------------------------------------------*/
/* C6713 PLL SUPPORT */
/*--------------------------------------------------------------*/
#define PLL_BASE_ADDR 0x01b7c000
#define PLL_PID ( PLL_BASE_ADDR + 0x000 )
#define PLL_CSR ( PLL_BASE_ADDR + 0x100 )
#define PLL_MULT ( PLL_BASE_ADDR + 0x110 )
#define PLL_DIV0 ( PLL_BASE_ADDR + 0x114 )
#define PLL_DIV1 ( PLL_BASE_ADDR + 0x118 )
#define PLL_DIV2 ( PLL_BASE_ADDR + 0x11C )
#define PLL_DIV3 ( PLL_BASE_ADDR + 0x120 )
#define PLL_OSCDIV1 ( PLL_BASE_ADDR + 0x124 )
#define CSR_PLLEN 0x00000001
#define CSR_PLLPWRDN 0x00000002
#define CSR_PLLRST 0x00000008
#define CSR_PLLSTABLE 0x00000040
#define DIV_ENABLE 0x00008000
reset_pll()
{
/* Set the PLL back to power on reset state*/
*(int *)PLL_CSR = 0x00000048;
*(int *)PLL_DIV3 = 0x00008001;
*(int *)PLL_DIV2 = 0x00008001;
*(int *)PLL_DIV1 = 0x00008000;
*(int *)PLL_DIV0 = 0x00008000;
*(int *)PLL_MULT = 0x00000007;
*(int *)PLL_MULT = 0x00000007;
*(int *)PLL_OSCDIV1 = 0x00080007;
}
init_pll()
{
/* When PLLEN is off DSP is running with CLKIN clock source,
* currently 50MHz or 20ns clk rate.
*/
*(int *)PLL_CSR &= ~CSR_PLLEN;
/* Reset the pll. PLL takes 125ns to reset. */
*(int *)PLL_CSR |= CSR_PLLRST;
/* PLLOUT = CLKIN/(DIV0+1) * PLLM
* 450 = 50/1 * 9
*/
*(int *)PLL_DIV0 = DIV_ENABLE + 0;
*(int *)PLL_MULT = 18;
*(int *)PLL_OSCDIV1 = DIV_ENABLE + 4;
/* Program in reverse order.
* DSP requires that pheriheral clocks be less then
* 1/2 the CPU clock at all times.
*/
*(int *)PLL_DIV3 = DIV_ENABLE + 4;
*(int *)PLL_DIV2 = DIV_ENABLE + 3;
*(int *)PLL_DIV1 = DIV_ENABLE + 1;
*(int *)PLL_CSR &= ~CSR_PLLRST;
/* Now enable pll path and we are off and running at 225MHz
* with 90 MHz SDRAM.
*/
*(int *)PLL_CSR |= CSR_PLLEN;
}
/*--------------------------------------------------------------*/
/* LED_cycle() */
/*--------------------------------------------------------------*/
/*LED_cycle()
{
LED3_on;
LED2_on;
LED1_on;
LED2_on;
LED3_on;
LEDs_off;
} */
/*--------------------------------------------------------------*/
/* init_cpld() - Set CPLD to default state */
/*--------------------------------------------------------------*/
init_cpld()
{
*(char*)DEC6713_CTL_REG = 0;
//*(char*)CPLD_DC = 0;
//*(char*)CPLD_MISC = 0;
}
/*--------------------------------------------------------------*/
/* MEMORY MAP MENU */
/*--------------------------------------------------------------*/
/*menuitem "Check DSK";
hotmenu QuickTest()
{
LED_cycle();
LED_cycle();
LED_cycle();
GEL_TextOut(" Switches: %d Board Revision: %d CPLD Revision: %d\n\n","DSKOutput",1,1,1,
Get_Switches, Get_Board_Rev, Get_Cpld_Rev);
}*/
⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -