//---------------------------------------------------- //Copyright (C), 2004-2009, lst. //版权所有 (C), 2004-2009, lst. //所属模块:IO初始化 //作者：lst //版本：V1.0.0 //文件描述:IO初始化 //其他说明: //修订历史: //2. ... //1. 日期: 2009-01-04 // 作者: lst // 新版本号: V1.0.0 // 修改说明: 原始版本 //------------------------------------------------------ #include "inc_os.h" #include "gpio.h" struct gpio_reg volatile * const pg_gpio_reg = (struct gpio_reg *)0x56000000; //----配置全部IO扣-------------------------------------------------------------- //功能：除必须的外，全部配置成初始态，各功能口由相应的功能模块自行定义。 //参数：无 //返回：无 //------------------------------------------------------------------------------ void gpio_init(void) { /* //32bit data bus configuration //=== PORT A GROUP //Ports : GPA22 GPA21 GPA20 GPA19 GPA18 GPA17 GPA16 GPA15 GPA14 GPA13 GPA12 //Signal : nFCE nRSTOUT nFRE nFWE ALE CLE nGCS5 nGCS4 nGCS3 nGCS2 nGCS1 //Binary : 1 1 1 , 1 1 1 1 , 1 1 1 1 //Ports : GPA11 GPA10 GPA9 GPA8 GPA7 GPA6 GPA5 GPA4 GPA3 GPA2 GPA1 GPA0 //Signal : ADDR26 ADDR25 ADDR24 ADDR23 ADDR22 ADDR21 ADDR20 ADDR19 ADDR18 ADDR17 ADDR16 ADDR0 //Binary : 1 1 1 1 , 1 1 1 1 , 1 1 1 1 pg_gpio_reg->GPACON = 0x7fffff; //===* PORT B GROUP //Ports : GPB10 GPB9 GPB8 GPB7 GPB6 GPB5 GPB4 GPB3 GPB2 GPB1 GPB0 //Signal : nXDREQ0 nXDACK0 nXDREQ1 nXDACK1 nSS_KBD nDIS_OFF L3CLOCK L3DATA L3MODE nIrDATXDEN Keyboard //Setting: INPUT OUTPUT INPUT OUTPUT INPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT //Binary : 00 , 01 00 , 01 00 , 01 01 , 01 01 , 01 01 pg_gpio_reg->GPBCON = 0x044555; pg_gpio_reg->GPBUP = 0x7ff; // The pull up function is disabled GPB[10:0] */ //=== PORT C GROUP //Ports : GPC15 GPC14 GPC13 GPC12 GPC11 GPC10 GPC9 GPC8 GPC7 GPC6 GPC5 GPC4 GPC3 GPC2 GPC1 GPC0 //Signal : VD7 VD6 VD5 VD4 VD3 VD2 VD1 VD0 LCDVF2 LCDVF1 LCDVF0 VM VFRAME VLINE VCLK LEND //Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 pg_gpio_reg->GPCCON = 0xaaaa02a8; pg_gpio_reg->GPCUP = 0xffff; // The pull up function is disabled GPC[15:0] //=== PORT D GROUP //Ports : GPD15 GPD14 GPD13 GPD12 GPD11 GPD10 GPD9 GPD8 GPD7 GPD6 GPD5 GPD4 GPD3 GPD2 GPD1 GPD0 //Signal : VD23 VD22 VD21 VD20 VD19 VD18 VD17 VD16 VD15 VD14 VD13 VD12 VD11 VD10 VD9 VD8 //Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,10 10 pg_gpio_reg->GPDCON = 0xaaaaaaaa; pg_gpio_reg->GPDUP = 0xffff; // The pull up function is disabled GPD[15:0] *(volatile unsigned *)0x4d000000 = *(volatile unsigned *)0x4d000000 & 0x3fffe; /* //=== PORT E GROUP //Ports : GPE15 GPE14 GPE13 GPE12 GPE11 GPE10 GPE9 GPE8 GPE7 GPE6 GPE5 GPE4 //Signal : IICSDA IICSCL SPICLK SPIMOSI SPIMISO SDDATA3 SDDATA2 SDDATA1 SDDATA0 SDCMD SDCLK I2SSDO //Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , //------------------------------------------------------------------------------------------------------- //Ports : GPE3 GPE2 GPE1 GPE0 //Signal : I2SSDI CDCLK I2SSCLK I2SLRCK //Binary : 10 10 , 10 10 pg_gpio_reg->GPECON = 0xaaaaaaaa; pg_gpio_reg->GPEUP = 0xffff; // The pull up function is disabled GPE[15:0] //=== PORT F GROUP //Ports : GPF7 GPF6 GPF5 GPF4 GPF3 GPF2 GPF1 GPF0 //Signal : nLED_8 nLED_4 nLED_2 nLED_1 nIRQ_PCMCIA key1 KBDINT key0 //Setting: Output Output Output Output EINT3 input EINT1 input //Binary : 01 01 , 01 01 , 10 00 , 10 00 pg_gpio_reg->GPFCON = 0x5588; pg_gpio_reg->GPFUP = 0xff; // The pull up function is disabled GPF[7:0] //=== PORT G GROUP //Ports : GPG15 GPG14 GPG13 GPG12 GPG11 GPG10 GPG9 GPG8 GPG7 GPG6 //Signal : nYPON YMON nXPON XMON key3 DMAMODE1 DMAMODE0 DMASTART KBDSPICLK KBDSPIMOSI //Setting: nYPON YMON nXPON XMON input Output Output Output SPICLK1 SPIMOSI1 //Binary : 11 11 , 11 11 , 00 01 , 01 01 , 11 11 //----------------------------------------------------------------------------------------- //Ports : GPG5 GPG4 GPG3 GPG2 GPG1 GPG0 //Signal : KBDSPIMISO LCD_PWREN key2 nSS_SPI IRQ_LAN IRQ_PCMCIA //Setting: SPIMISO1 LCD_PWRDN input nSS0 EINT9 EINT8 //Binary : 11 11 , 00 11 , 10 10 pg_gpio_reg->GPGCON = 0xff15ff3a; pg_gpio_reg->GPGUP = 0xffff; // The pull up function is disabled GPG[15:0] //=== PORT H GROUP //Ports : GPH10 GPH9 GPH8 GPH7 GPH6 GPH5 GPH4 GPH3 GPH2 GPH1 GPH0 //Signal : CLKOUT1 CLKOUT0 UCLK nCTS1 nRTS1 RXD1 TXD1 RXD0 TXD0 nRTS0 nCTS0 //Binary : 10 , 10 10 , 11 11 , 10 10 , 10 10 , 10 10 pg_gpio_reg->GPHCON = 0x2afaaa; pg_gpio_reg->GPHUP = 0x7ff; // The pull up function is disabled GPH[10:0] */ }