/* * (C) Copyright 2007 OpenMoko, Inc. * Author: xiangfu liu * * Configuation settings for the FIC Neo GTA02 Linux GSM phone * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA */ #include "serial.h" #include "blink_led.h" void serial_init (const int ubrdiv_val,const int uart) { switch(uart) { case UART0: rULCON0 = 0x3; rUCON0 = 0x245; rGPHCON = rGPHCON & ~(3 << 16); delay(1); rGPHCON = rGPHCON & ~(3 << 16)|(1 << 17); rUFCON0 = 0x0; rUMCON0 = 0x0; rUBRDIV0 = ubrdiv_val; break; case UART1: rULCON1 = 0x3; rUCON1 = 0x245; rUFCON1 = 0x0; rUMCON1 = 0x0; rUBRDIV1 = ubrdiv_val; break; case UART2: rULCON2 = 0x3; rUCON2 = 0x245; rGPHCON = rGPHCON & ~(3 << 16); delay(1); rGPHCON = rGPHCON & ~(3 << 16)|(1 << 17); rUFCON2 = 0x0; rUBRDIV2 = ubrdiv_val; break; default: break; } } /* * Output a single byte to the serial port. */ void serial_putc (const int uart,const char c) { switch(uart) { case UART0: while ( !( rUTRSTAT0 & 0x2 ) ); delay(1); WrUTXH0(c); break; case UART1: while ( !( rUTRSTAT1 & 0x2 ) ); delay(1); WrUTXH1(c); break; case UART2: while ( !( rUTRSTAT2 & 0x2 ) ); delay(1); WrUTXH2(c); break; default: break; } } /* * ===================================================================== * PORTS Librarues * ===================================================================== */ void port_init(void) { //CAUTION:Follow the configuration order for setting the ports. // 1) setting value(GPnDAT) // 2) setting control register (GPnCON) // 3) configure pull-up resistor(GPnUP) /* 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 */ rGPACON = 0x007E5FFF; rGPADAT |= (1 << 16); /* Set GPA16 to high (nNAND_WP) */ /* * ===* 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 */ rGPBCON = 0x00155555; rGPBUP = 0x000007FF; /* * === 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 */ rGPCCON = 0x55555155; rGPCUP = 0x0000FFFF & ~(1 << 5); rGPCDAT |= (1 << 13) | (1 << 15); /* index detect -> hi */ /* * === 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 */ rGPDCON = 0x55555555; rGPDUP = 0x0000FFFF; rGPDDAT |= (1 << 0) | (1 << 3) | (1 << 4); /* index detect -> hi */ /* * === 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 */ rGPECON = 0xAAAAAAAA; rGPEUP = 0x0000FFFF & ~(1 << 11); /* * === PORT F GROUP * Ports : GPF7 GPF6 GPF5 GPF4 GPF3 GPF2 GPF1 GPF0 * Signal : nLED_8 nLED_4 nLED_2 nLED_1 nIRQ_PCMCIA EINT2 KBDINT EINT0 * Setting: Output Output Output Output EINT3 EINT2 EINT1 EINT0 * Binary : 01 01 , 01 01 , 10 10 , 10 10 */ /* pulldown on GPF03: TP-4705+debug - debug conn will float */ rGPFCON = 0x0000AAAA; rGPFUP = 0x000000FF & ~(1 << 3); /* * === PORT G GROUP * Ports : GPG15 GPG14 GPG13 GPG12 GPG11 GPG10 GPG9 GPG8 GPG7 GPG6 * Signal : nYPON YMON nXPON XMON EINT19 DMAMODE1 DMAMODE0 DMASTART KBDSPICLK KBDSPIMOSI * Setting: nYPON YMON nXPON XMON EINT19 Output Output Output SPICLK1 SPIMOSI1 * Binary : 11 11 , 11 11 , 10 01 , 01 01 , 11 11 * ----------------------------------------------------------------------------------------- * Ports : GPG5 GPG4 GPG3 GPG2 GPG1 GPG0 * Signal : KBDSPIMISO LCD_PWREN EINT11 nSS_SPI IRQ_LAN IRQ_PCMCIA * Setting: SPIMISO1 LCD_PWRDN EINT11 nSS0 EINT9 EINT8 * Binary : 11 11 , 10 11 , 10 10 */ rGPGCON = 0x01AAFE79; rGPGUP = 0x0000FFFF; /* * === 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 */ /* pulldown on GPH08: UEXTCLK, just floats! * pulldown GPH0 -- nCTS0 / RTS_MODEM -- floats when GSM off * pulldown GPH3 -- RXD[0] / TX_MODEM -- floats when GSM off */ rGPHCON = 0x001AAAAA; rGPHUP = 0x000007FF & ~(1 << 8) & ~(1 << 0) & ~(1 << 3); /* pulldown on GPJ00: input, just floats! */ /* pulldown on GPJ07: WLAN module WLAN_GPIO0, no ext pull */ rGPJCON = 0x1551544; rGPJUP = 0x1ffff & ~(1 << 0) & ~(1 << 7); rGPJDAT |= (1 << 4) | (1 << 6); /* Set GPJ4 to high (nGSM_EN) */ /* Set GPJ6 to high (nDL_GSM) */ rGPJDAT &= ~(1 << 5); /* Set GPJ5 to low 3D RST */ /* leaving Glamo forced to Reset# active here killed * U-Boot when you touched the memory region */ rGPJDAT |= (1 << 5); /* Set GPJ5 to high 3D RST */ }