mirror of
git://projects.qi-hardware.com/xburst-tools.git
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dca4815a1e
Subject: [PATCH] - correct machine id of gta03 - add mtdparts prefix in the kernel command line Signed-off-by: Matt Hsu <matt_hsu@openmoko.org>
255 lines
7.9 KiB
C
255 lines
7.9 KiB
C
#include <qi.h>
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#include <neo_gta03.h>
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#include <serial-s3c24xx.h>
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#include <ports-s3c24xx.h>
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#include <i2c-bitbang-s3c24xx.h>
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#include <pcf50633.h>
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#define GTA03_DEBUG_UART 2
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#define PCF50633_I2C_ADS 0x73
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static const struct board_variant board_variants[] = {
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[0] = {
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.name = "EVB PCB",
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.machine_revision = 0x010,
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},
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};
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void port_init_gta03(void)
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{
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unsigned int * MPLLCON = (unsigned int *)0x4c000004;
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unsigned int * UPLLCON = (unsigned int *)0x4c000008;
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unsigned int * CLKDIVN = (unsigned int *)0x4c000014;
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//CAUTION:Follow the configuration order for setting the ports.
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// 1) setting value(GPnDAT)
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// 2) setting control register (GPnCON)
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// 3) configure pull-up resistor(GPnUP)
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/* 32bit data bus configuration */
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/*
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* === PORT A GROUP
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* Ports : GPA22 GPA21 GPA20 GPA19 GPA18 GPA17 GPA16 GPA15 GPA14 GPA13 GPA12
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* Signal : nFCE nRSTOUT nFRE nFWE ALE CLE nGCS5 nGCS4 nGCS3 nGCS2 nGCS1
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* Binary : 1 1 1 , 1 1 1 1 , 1 1 1 1
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* Ports : GPA11 GPA10 GPA9 GPA8 GPA7 GPA6 GPA5 GPA4 GPA3 GPA2 GPA1 GPA0
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* Signal : ADDR26 ADDR25 ADDR24 ADDR23 ADDR22 ADDR21 ADDR20 ADDR19 ADDR18 ADDR17 ADDR16 ADDR0
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* Binary : 1 1 1 1 , 1 1 1 1 , 1 1 1 1
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*/
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rGPACON = 0x007F8FFF;
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/*
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* ===* PORT B GROUP
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* Ports : GPB10 GPB9 GPB8 GPB7 GPB6 GPB5 GPB4 GPB3 GPB2 GPB1 GPB0
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* Signal : nXDREQ0 nXDACK0 nXDREQ1 nXDACK1 nSS_KBD nDIS_OFF L3CLOCK L3DATA L3MODE nIrDATXDEN Keyboard
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* Setting: INPUT OUTPUT INPUT OUTPUT INPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT OUTPUT
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* Binary : 00 , 01 00 , 01 00 , 01 01 , 01 01 , 01 01
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*/
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rGPBCON = 0x00145554;
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rGPBDAT |= (1 <<9 ); /* USB_PULLUP */
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rGPBUP = 0x000007FF;
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/*
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* === PORT C GROUP
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* Ports : GPC15 GPC14 GPC13 GPC12 GPC11 GPC10 GPC9 GPC8 GPC7 GPC6 GPC5 GPC4 GPC3 GPC2 GPC1 GPC0
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* Signal : VD7 VD6 VD5 VD4 VD3 VD2 VD1 VD0 LCDVF2 LCDVF1 LCDVF0 VM VFRAME VLINE VCLK LEND
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* Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10
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*/
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rGPCCON = 0xAAA776E9;
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rGPCUP = 0x0000FFFF;
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rGPCDAT |= (1 << 9); /* WLAN_nRESET pull high */
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/*
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* === PORT D GROUP
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* Ports : GPD15 GPD14 GPD13 GPD12 GPD11 GPD10 GPD9 GPD8 GPD7 GPD6 GPD5 GPD4 GPD3 GPD2 GPD1 GPD0
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* Signal : VD23 VD22 VD21 VD20 VD19 VD18 VD17 VD16 VD15 VD14 VD13 VD12 VD11 VD10 VD9 VD8
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* Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,10 10
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*/
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rGPDCON = 0xAAA0AAA5;
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rGPDUP = 0x0000FFFF;
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/*
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* === PORT E GROUP
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* Ports : GPE15 GPE14 GPE13 GPE12 GPE11 GPE10 GPE9 GPE8 GPE7 GPE6 GPE5 GPE4
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* Signal : IICSDA IICSCL SPICLK SPIMOSI SPIMISO SDDATA3 SDDATA2 SDDATA1 SDDATA0 SDCMD SDCLK I2SSDO
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* Binary : 10 10 , 10 10 , 10 10 , 10 10 , 10 10 , 10 10 ,
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* -------------------------------------------------------------------------------------------------------
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* Ports : GPE3 GPE2 GPE1 GPE0
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* Signal : I2SSDI CDCLK I2SSCLK I2SLRCK
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* Binary : 10 10 , 10 10
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*/
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rGPECON = 0xAAAAAAAA;
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rGPEUP = 0x0000FFFF;
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/*
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* === PORT F GROUP
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* Ports : GPF7 GPF6 GPF5 GPF4 GPF3 GPF2 GPF1 GPF0
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* Signal : nLED_8 nLED_4 nLED_2 nLED_1 nIRQ_PCMCIA EINT2 KBDINT EINT0
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* Setting: Output Output Output Output EINT3 EINT2 EINT1 EINT0
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* Binary : 01 01 , 01 01 , 10 10 , 10 10
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*/
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rGPFCON = 0x0000AAAA;
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rGPFUP = 0x000000FF;
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/*
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* === PORT G GROUP
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* Ports : GPG15 GPG14 GPG13 GPG12 GPG11 GPG10 GPG9 GPG8 GPG7 GPG6
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* Signal : nYPON YMON nXPON XMON EINT19 DMAMODE1 DMAMODE0 DMASTART KBDSPICLK KBDSPIMOSI
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* Setting: nYPON YMON nXPON XMON EINT19 Output Output Output SPICLK1 SPIMOSI1
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* Binary : 11 11 , 11 11 , 10 01 , 01 01 , 11 11
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* -----------------------------------------------------------------------------------------
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* Ports : GPG5 GPG4 GPG3 GPG2 GPG1 GPG0
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* Signal : KBDSPIMISO LCD_PWREN EINT11 nSS_SPI IRQ_LAN IRQ_PCMCIA
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* Setting: SPIMISO1 LCD_PWRDN EINT11 nSS0 EINT9 EINT8
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* Binary : 11 11 , 10 11 , 10 10
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*/
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rGPGCON = 0x02A9FE5A;
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rGPGUP = 0x0000FFFF;
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/*
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* === PORT H GROUP
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* Ports : GPH10 GPH9 GPH8 GPH7 GPH6 GPH5 GPH4 GPH3 GPH2 GPH1 GPH0
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* Signal : CLKOUT1 CLKOUT0 UCLK RXD2 TXD2 RXD1 TXD1 RXD0 TXD0 nRTS0 nCTS0
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* Binary : 10 , 10 10 , 11 11 , 10 10 , 10 10 , 10 10
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*/
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/* pulldown on GPH08: UEXTCLK, just floats!
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* pulldown GPH0 -- nCTS0 / RTS_MODEM -- floats when GSM off
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* pulldown GPH3 -- RXD[0] / TX_MODEM -- floats when GSM off
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*/
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rGPHCON = 0x0019A0AA;
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rGPHUP = 0x000007FF;
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/* pulldown on GPJ00: input, just floats! */
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/* pulldown on GPJ07: WLAN module WLAN_GPIO0, no ext pull */
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rGPJCON = 0x02AAAAAA;
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rGPJUP = 0x1FFFF;
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/*
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* We have to talk to the PMU a little bit
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*/
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/* We need SD Card rail (HCLDO) at 3.0V */
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i2c_write_sync(&bb_s3c24xx, PCF50633_I2C_ADS, PCF50633_REG_HCLDOOUT,
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21);
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/* switch HCLDO on */
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i2c_write_sync(&bb_s3c24xx, PCF50633_I2C_ADS, PCF50633_REG_HCLDOENA, 1);
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/* push DOWN1 (CPU Core rail) to 1.7V, allowing 533MHz */
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i2c_write_sync(&bb_s3c24xx, PCF50633_I2C_ADS, PCF50633_REG_DOWN1OUT,
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0x2b);
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/* change CPU clocking to 533MHz 1:4:8 */
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/* clock divide 1:4:8 - do it first */
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*CLKDIVN = 5;
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/* configure UPLL */
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*UPLLCON = ((88 << 12) + (4 << 4) + 2);
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/* Magic delay: Page 7-19, seven nops between UPLL and MPLL */
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asm __volatile__ (
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"nop\n"\
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"nop\n"\
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"nop\n"\
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"nop\n"\
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"nop\n"\
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"nop\n"\
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"nop\n"\
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);
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/* configure MPLL */
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*MPLLCON = ((169 << 12) + (2 << 4) + 1);
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serial_init_115200_s3c24xx(GTA03_DEBUG_UART, 66 /*MHz PCLK */);
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}
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/**
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* returns PCB revision information in b0, d8, d9
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* GTA03 EVB returns 0x000
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* GTA03 returns 0x001
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*/
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int gta03_get_pcb_revision(void)
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{
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int n;
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u32 u;
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/* make B0 inputs */
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rGPBCON &= ~0x00000003;
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/* D8 and D9 inputs */
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rGPDCON &= ~0x000f0000;
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/* delay after changing pulldowns */
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u = rGPBDAT;
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u = rGPDDAT;
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/* read the version info */
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u = rGPBDAT;
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n = (u >> (0 - 0))& 0x001;
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u = rGPDDAT;
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n |= (u >> (8 -1)) & 0x002;
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n |= (u >> (9 - 2)) & 0x004;
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/*
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* when not being interrogated, all of the revision GPIO
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* are set to output
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*/
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/* make B0 high ouput */
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rGPBCON |= 0x00000001;
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/* D8 and D9 high ouputs */
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rGPDCON |= 0x00050000;
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return n;
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}
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const struct board_variant const * get_board_variant_gta03(void)
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{
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return &board_variants[gta03_get_pcb_revision()];
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}
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int is_this_board_gta03(void)
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{
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/* FIXME: find something gta03 specific */
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return 1;
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}
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static void putc_gta03(char c)
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{
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serial_putc_s3c24xx(GTA03_DEBUG_UART, c);
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}
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/*
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* our API for bootloader on this machine
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*/
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const struct board_api board_api_gta03 = {
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.name = "GTA03",
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.linux_machine_id = 1866,
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.linux_mem_start = 0x30000000,
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.linux_mem_size = (128 * 1024 * 1024),
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.linux_tag_placement = 0x30000000 + 0x100,
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.get_board_variant = get_board_variant_gta03,
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.is_this_board = is_this_board_gta03,
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.port_init = port_init_gta03,
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.putc = putc_gta03,
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/* these are the ways we could boot GTA03 in order to try */
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.kernel_source = {
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[0] = {
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.name = "NAND Kernel",
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.block_read = nand_read_ll,
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.offset_blocks512_if_no_partition = 0x80000 / 512,
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.filesystem = FS_RAW,
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.commandline = "mtdparts=neo1973-nand:" \
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"0x00040000(qi)," \
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"0x00040000(cmdline)," \
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"0x00800000(backupkernel)," \
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"0x000a0000(extra)," \
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"0x00040000(identity)," \
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"0x0f6a0000(backuprootfs) " \
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"rootfstype=jffs2 " \
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"root=/dev/mtdblock6 " \
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"console=ttySAC2,115200 " \
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"loglevel=4 " \
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"init=/sbin/init "\
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"ro"
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},
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},
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};
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