/* * gt_comm_intr_init - enable GT-64260 Comm Unit interrupts */ static void gt_comm_intr_enb(struct gt_softc *gt) { u_int32_t cause; cause = gt_read(gt, GT_CommUnitIntr_Cause); if (cause) gt_write(gt, GT_CommUnitIntr_Cause, ~cause); gt_write(gt, GT_CommUnitIntr_Mask, GT_CommUnitIntr_DFLT); (void)gt_read(gt, GT_CommUnitIntr_ErrAddr); intr_establish(IRQ_COMM, IST_LEVEL, IPL_GTERR, gt_comm_intr, gt); printf("%s: Comm Unit irpt at %d\n", gt->gt_dev.dv_xname, IRQ_COMM); }
/****************************************************************************** ** Function : i2c_word_write ** Description : This routine does page write in to AT24C02A ** serial EEPROM at a specified offset ** Inputs : devAdd - EEPROM hardware address ** writeoffset - page offset ** noBytes - Number of bytes to be written ** regFile1 - Array of data to be written ** Outputs : true - If successful ** false - If not successful ******************************************************************************/ bool i2c_word_write( u_char devAdd, uint writeoffset, uint noBytes, u_char *regFile1 ) { u_char regFile2[34]; uint i = 0, j = 0; bool ret = true; /* 13-bit address for 64k EEPROM*/ writeoffset = writeoffset & 0x1fff; if(( noBytes < 0 ) || ( noBytes > 8192 )){ DBG("Only 0-8192 Bytes can be written.\n"); return( false ); } gt_write( I2C_SOFT_RESET, 0x0 ); udelay( I2C_DELAY ); for( i = 0,j = 2; i < noBytes; i++ ){ regFile2[j]=regFile1[i]; if(( j == ( 33 - ( writeoffset % 32 ))) || ( i == (noBytes-1))){ udelay( I2C_DELAY ); regFile2[0] = ( writeoffset & 0xff00 ) >> 8; regFile2[1] = writeoffset & 0x00ff; gt_write( I2C_SOFT_RESET, 0x0 ); udelay( I2C_DELAY ); if( i2c_write( devAdd, regFile2, j + 1 )){ DBG("Burning of a Page over\n"); } else { DBG("Page burning Failed...\n"); ret = false; break; } j = 1; writeoffset = writeoffset + 0x0020; writeoffset = writeoffset & 0xffffffe0; } j++; }
/****************************************************************************** ** Function : i2c_byte_write ** Description : This routine does page write in to AT24C02A serial EEPROM at ** a specified offset ** Inputs : devAdd - EEPROM hardware address ** writeoffset - page offset ** noBytes - Number of bytes to be written ** regFile1 - Array of data to be written ** Outputs : true - If successful ** false - If not successful ******************************************************************************/ bool i2c_byte_write( u_char devAdd, u_char writeoffset, uint noBytes, u_char *regFile1 ) { u_char regFile2[9]; uint i = 0, j = 0; bool ret = true; if(( noBytes < 0 ) || ( noBytes > 256 )){ DBG("Only 0-256 Bytes can be written.\n"); return( false ); } gt_write( I2C_SOFT_RESET, 0x0 ); udelay( I2C_DELAY ); for( i = 0, j = 1; i < noBytes; i++ ){ regFile2[j]=regFile1[i]; if(( j == 8 - ( writeoffset % 8 )) || ( i == ( noBytes - 1 ))){ udelay( I2C_DELAY ); regFile2[0] = writeoffset; gt_write( I2C_SOFT_RESET, 0x0 ); udelay( I2C_DELAY ); if( i2c_write ( devAdd, regFile2, j + 1 )){ DBG("Burning of a Page over\n"); } else{ DBG("Page burning Failed...\n"); ret = false; break; } j = 0; writeoffset = writeoffset + 8; /* To go to the next page*/ writeoffset = writeoffset & 0xfffffff8; } j++; }/* End for ... */ return( ret ); }
static int gt_ecc_intr(void *arg) { struct gt_softc *gt = (struct gt_softc *)arg; u_int32_t addr; u_int32_t dlo; u_int32_t dhi; u_int32_t rec; u_int32_t calc; u_int32_t count; int err; count = gt_read(gt, GT_ECC_Count); dlo = gt_read(gt, GT_ECC_Data_Lo); dhi = gt_read(gt, GT_ECC_Data_Hi); rec = gt_read(gt, GT_ECC_Rec); calc = gt_read(gt, GT_ECC_Calc); addr = gt_read(gt, GT_ECC_Addr); /* read last! */ gt_write(gt, GT_ECC_Addr, 0); /* clear irpt */ err = addr & 0x3; printf("%s: ECC error: %s: " "addr %#x data %#x.%#x rec %#x calc %#x cnt %#x\n", gt->gt_dev.dv_xname, gt_ecc_intr_str[err], addr, dhi, dlo, rec, calc, count); if (err == 2) panic("ecc"); return (err == 1); }
/****************************************************************************** ** Function : clearIntFlag ******************************************************************************/ void clearIntFlag( ) { uint temp; temp = gt_read( I2C_CONTROL ); gt_write( I2C_CONTROL, temp & 0xfffffff7 ); }
/* * gt_ecc_intr_enb - enable GT-64260 ECC interrupts */ static void gt_ecc_intr_enb(struct gt_softc *gt) { u_int32_t ctl; ctl = gt_read(gt, GT_ECC_Ctl); ctl |= 1 << 16; /* XXX 1-bit threshold == 1 */ gt_write(gt, GT_ECC_Ctl, ctl); (void)gt_read(gt, GT_ECC_Data_Lo); (void)gt_read(gt, GT_ECC_Data_Hi); (void)gt_read(gt, GT_ECC_Rec); (void)gt_read(gt, GT_ECC_Calc); (void)gt_read(gt, GT_ECC_Addr); /* read last! */ gt_write(gt, GT_ECC_Addr, 0); /* clear irpt */ intr_establish(IRQ_ECC, IST_LEVEL, IPL_GTERR, gt_ecc_intr, gt); printf("%s: ECC irpt at %d\n", gt->gt_dev.dv_xname, IRQ_ECC); }
void gt_init_interrupt(struct gt_softc *gt) { u_int32_t mppirpts = GT_MPP_INTERRUPTS; /* from config */ u_int32_t r; u_int32_t mppbit; u_int32_t mask; u_int32_t mppsel; u_int32_t regoff; gt_write(gt, ICR_CIM_LO, 0); gt_write(gt, ICR_CIM_HI, 0); /* * configure the GPP interrupts: * - set the configured MPP pins in GPP mode * - set the configured GPP pins to input, active low, interrupt enbl */ #ifdef DEBUG printf("%s: mpp cfg ", gt->gt_dev.dv_xname); for (regoff = GT_MPP_Control0; regoff <= GT_MPP_Control3; regoff += 4) printf("%#x ", gt_read(gt, regoff)); printf(", mppirpts 0x%x\n", mppirpts); #endif mppbit = 0x1; for (regoff = GT_MPP_Control0; regoff <= GT_MPP_Control3; regoff += 4) { mask = 0; for (mppsel = 0xf; mppsel; mppsel <<= 4) { if (mppirpts & mppbit) mask |= mppsel; mppbit <<= 1; } if (mask) { r = gt_read(gt, regoff); r &= ~mask; gt_write(gt, regoff, r); } } r = gt_read(gt, GT_GPP_IO_Control); r &= ~mppirpts; gt_write(gt, GT_GPP_IO_Control, r); r = gt_read(gt, GT_GPP_Level_Control); r |= mppirpts; gt_write(gt, GT_GPP_Level_Control, r); r = gt_read(gt, GT_GPP_Interrupt_Mask); r |= mppirpts; gt_write(gt, GT_GPP_Interrupt_Mask, r); }
static int gt_comm_intr(void *arg) { struct gt_softc *gt = (struct gt_softc *)arg; u_int32_t cause; u_int32_t addr; unsigned int mask; int i; cause = gt_read(gt, GT_CommUnitIntr_Cause); gt_write(gt, GT_CommUnitIntr_Cause, ~cause); addr = gt_read(gt, GT_CommUnitIntr_ErrAddr); printf("%s: Comm Unit irpt, cause %#x addr %#x\n", gt->gt_dev.dv_xname, cause, addr); cause &= GT_CommUnitIntr_DFLT; if (cause == 0) return 0; mask = 0x7; for (i=0; i<7; i++) { if (cause & mask) { printf("%s: Comm Unit %s:", gt->gt_dev.dv_xname, gt_comm_subunit_name[i]); if (cause & 1) printf(" AddrMiss"); if (cause & 2) printf(" AccProt"); if (cause & 4) printf(" WrProt"); printf("\n"); } cause >>= 4; } return 1; }
void gt_watchdog_init(struct gt_softc *gt) { u_int32_t mpp_watchdog = GT_MPP_WATCHDOG; /* from config */ u_int32_t r; u_int32_t cfgbits; u_int32_t mppbits; u_int32_t mppmask=0; u_int32_t regoff; unsigned int omsr; printf("%s: watchdog", gt->gt_dev.dv_xname); if (mpp_watchdog == 0) { printf(" not configured\n"); return; } #if 0 if (afw_wdog_ctl == 1) { printf(" admin disabled\n"); return; } #endif omsr = extintr_disable(); /* * if firmware started watchdog, we disable and start * from scratch to get it in a known state. * * on GT-64260A we always see 0xffffffff * in both the GT_WDOG_Config_Enb and GT_WDOG_Value regsiters. * Use AFW-supplied flag to determine run state. */ r = gt_read(gt, GT_WDOG_Config); if (r != ~0) { if ((r & GT_WDOG_Config_Enb) != 0) { gt_write(gt, GT_WDOG_Config, (GT_WDOG_Config_Ctl1a | GT_WDOG_Preset_DFLT)); gt_write(gt, GT_WDOG_Config, (GT_WDOG_Config_Ctl1b | GT_WDOG_Preset_DFLT)); } } else { #if 0 if (afw_wdog_state == 1) { gt_write(gt, GT_WDOG_Config, (GT_WDOG_Config_Ctl1a | GT_WDOG_Preset_DFLT)); gt_write(gt, GT_WDOG_Config, (GT_WDOG_Config_Ctl1b | GT_WDOG_Preset_DFLT)); } #endif } /* * "the watchdog timer can be activated only after * configuring two MPP pins to act as WDE and WDNMI" */ mppbits = 0; cfgbits = 0x3; for (regoff = GT_MPP_Control0; regoff <= GT_MPP_Control3; regoff += 4) { if ((mpp_watchdog & cfgbits) == cfgbits) { mppbits = 0x99; mppmask = 0xff; break; } cfgbits <<= 2; if ((mpp_watchdog & cfgbits) == cfgbits) { mppbits = 0x9900; mppmask = 0xff00; break; } cfgbits <<= 6; /* skip unqualified bits */ } if (mppbits == 0) { printf(" config error\n"); extintr_restore(omsr); return; } r = gt_read(gt, regoff); r &= ~mppmask; r |= mppbits; gt_write(gt, regoff, r); printf(" mpp %#x %#x", regoff, mppbits); gt_write(gt, GT_WDOG_Value, GT_WDOG_NMI_DFLT); gt_write(gt, GT_WDOG_Config, (GT_WDOG_Config_Ctl1a | GT_WDOG_Preset_DFLT)); gt_write(gt, GT_WDOG_Config, (GT_WDOG_Config_Ctl1b | GT_WDOG_Preset_DFLT)); r = gt_read(gt, GT_WDOG_Config), printf(" status %#x,%#x: %s", r, gt_read(gt, GT_WDOG_Value), ((r & GT_WDOG_Config_Enb) != 0) ? "enabled" : "botch"); if ((r & GT_WDOG_Config_Enb) != 0) { register_t hid0; gt_watchdog_sc = gt; /* enabled */ gt_watchdog_state = 1; /* * configure EMCP in HID0 in case it's not already set */ __asm __volatile("sync":::"memory"); hid0 = mfspr(SPR_HID0); if ((hid0 & HID0_EMCP) == 0) { hid0 |= HID0_EMCP; __asm __volatile("sync":::"memory"); mtspr(SPR_HID0, hid0); __asm __volatile("sync":::"memory"); hid0 = mfspr(SPR_HID0); printf(", EMCP set"); }
void gt_attach_common(struct gt_softc *gt) { uint32_t cpucfg, cpumode, cpumstr; #ifdef DEBUG uint32_t loaddr, hiaddr; #endif gtfound = 1; cpumode = gt_read(gt, GT_CPU_Mode); aprint_normal(": id %d", GT_CPUMode_MultiGTID_GET(cpumode)); if (cpumode & GT_CPUMode_MultiGT) aprint_normal (" (multi)"); switch (GT_CPUMode_CPUType_GET(cpumode)) { case 4: aprint_normal(", 60x bus"); break; case 5: aprint_normal(", MPX bus"); break; default: aprint_normal(", %#x(?) bus", GT_CPUMode_CPUType_GET(cpumode)); break; } cpumstr = gt_read(gt, GT_CPU_Master_Ctl); cpumstr &= ~(GT_CPUMstrCtl_CleanBlock|GT_CPUMstrCtl_FlushBlock); #if 0 cpumstr |= GT_CPUMstrCtl_CleanBlock|GT_CPUMstrCtl_FlushBlock; #endif gt_write(gt, GT_CPU_Master_Ctl, cpumstr); switch (cpumstr & (GT_CPUMstrCtl_CleanBlock|GT_CPUMstrCtl_FlushBlock)) { case 0: break; case GT_CPUMstrCtl_CleanBlock: aprint_normal(", snoop=clean"); break; case GT_CPUMstrCtl_FlushBlock: aprint_normal(", snoop=flush"); break; case GT_CPUMstrCtl_CleanBlock|GT_CPUMstrCtl_FlushBlock: aprint_normal(", snoop=clean&flush"); break; } aprint_normal(" wdog=%#x,%#x\n", gt_read(gt, GT_WDOG_Config), gt_read(gt, GT_WDOG_Value)); #if DEBUG loaddr = GT_LowAddr_GET(gt_read(gt, GT_SCS0_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_SCS0_High_Decode)); aprint_normal("%s: scs[0]=%#10x-%#10x\n", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_SCS1_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_SCS1_High_Decode)); aprint_normal("%s: scs[1]=%#10x-%#10x\n", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_SCS2_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_SCS2_High_Decode)); aprint_normal("%s: scs[2]=%#10x-%#10x\n", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_SCS3_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_SCS3_High_Decode)); aprint_normal("%s: scs[3]=%#10x-%#10x\n", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_CS0_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_CS0_High_Decode)); aprint_normal("%s: cs[0]=%#10x-%#10x\n", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_CS1_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_CS1_High_Decode)); aprint_normal("%s: cs[1]=%#10x-%#10x\n", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_CS2_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_CS2_High_Decode)); aprint_normal("%s: cs[2]=%#10x-%#10x\n", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_CS3_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_CS3_High_Decode)); aprint_normal("%s: cs[3]=%#10x-%#10x\n", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_BootCS_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_BootCS_High_Decode)); aprint_normal("%s: bootcs=%#10x-%#10x\n", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_PCI0_IO_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_PCI0_IO_High_Decode)); aprint_normal("%s: pci0io=%#10x-%#10x ", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = gt_read(gt, GT_PCI0_IO_Remap); aprint_normal("remap=%#010x\n", loaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_PCI0_Mem0_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_PCI0_Mem0_High_Decode)); aprint_normal("%s: pci0mem[0]=%#10x-%#10x ", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = gt_read(gt, GT_PCI0_Mem0_Remap_Low); hiaddr = gt_read(gt, GT_PCI0_Mem0_Remap_High); aprint_normal("remap=%#010x.%#010x\n", hiaddr, loaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_PCI0_Mem1_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_PCI0_Mem1_High_Decode)); aprint_normal("%s: pci0mem[1]=%#10x-%#10x ", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = gt_read(gt, GT_PCI0_Mem1_Remap_Low); hiaddr = gt_read(gt, GT_PCI0_Mem1_Remap_High); aprint_normal("remap=%#010x.%#010x\n", hiaddr, loaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_PCI0_Mem2_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_PCI0_Mem2_High_Decode)); aprint_normal("%s: pci0mem[2]=%#10x-%#10x ", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = gt_read(gt, GT_PCI0_Mem2_Remap_Low); hiaddr = gt_read(gt, GT_PCI0_Mem2_Remap_High); aprint_normal("remap=%#010x.%#010x\n", hiaddr, loaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_PCI0_Mem3_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_PCI0_Mem3_High_Decode)); aprint_normal("%s: pci0mem[3]=%#10x-%#10x ", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = gt_read(gt, GT_PCI0_Mem3_Remap_Low); hiaddr = gt_read(gt, GT_PCI0_Mem3_Remap_High); aprint_normal("remap=%#010x.%#010x\n", hiaddr, loaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_PCI1_IO_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_PCI1_IO_High_Decode)); aprint_normal("%s: pci1io=%#10x-%#10x ", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = gt_read(gt, GT_PCI1_IO_Remap); aprint_normal("remap=%#010x\n", loaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_PCI1_Mem0_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_PCI1_Mem0_High_Decode)); aprint_normal("%s: pci1mem[0]=%#10x-%#10x ", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = gt_read(gt, GT_PCI1_Mem0_Remap_Low); hiaddr = gt_read(gt, GT_PCI1_Mem0_Remap_High); aprint_normal("remap=%#010x.%#010x\n", hiaddr, loaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_PCI1_Mem1_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_PCI1_Mem1_High_Decode)); aprint_normal("%s: pci1mem[1]=%#10x-%#10x ", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = gt_read(gt, GT_PCI1_Mem1_Remap_Low); hiaddr = gt_read(gt, GT_PCI1_Mem1_Remap_High); aprint_normal("remap=%#010x.%#010x\n", hiaddr, loaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_PCI1_Mem2_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_PCI1_Mem2_High_Decode)); aprint_normal("%s: pci1mem[2]=%#10x-%#10x ", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = gt_read(gt, GT_PCI1_Mem2_Remap_Low); hiaddr = gt_read(gt, GT_PCI1_Mem2_Remap_High); aprint_normal("remap=%#010x.%#010x\n", hiaddr, loaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_PCI1_Mem3_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_PCI1_Mem3_High_Decode)); aprint_normal("%s: pci1mem[3]=%#10x-%#10x ", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = gt_read(gt, GT_PCI1_Mem3_Remap_Low); hiaddr = gt_read(gt, GT_PCI1_Mem3_Remap_High); aprint_normal("remap=%#010x.%#010x\n", hiaddr, loaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_Internal_Decode)); aprint_normal("%s: internal=%#10x-%#10x\n", gt->gt_dev.dv_xname, loaddr, loaddr+256*1024); loaddr = GT_LowAddr_GET(gt_read(gt, GT_CPU0_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_CPU0_High_Decode)); aprint_normal("%s: cpu0=%#10x-%#10x\n", gt->gt_dev.dv_xname, loaddr, hiaddr); loaddr = GT_LowAddr_GET(gt_read(gt, GT_CPU1_Low_Decode)); hiaddr = GT_HighAddr_GET(gt_read(gt, GT_CPU1_High_Decode)); aprint_normal("%s: cpu1=%#10x-%#10x", gt->gt_dev.dv_xname, loaddr, hiaddr); #endif aprint_normal("%s:", gt->gt_dev.dv_xname); cpucfg = gt_read(gt, GT_CPU_Cfg); cpucfg |= GT_CPUCfg_ConfSBDis; /* per errata #46 */ cpucfg |= GT_CPUCfg_AACKDelay; /* per restriction #18 */ gt_write(gt, GT_CPU_Cfg, cpucfg); if (cpucfg & GT_CPUCfg_Pipeline) aprint_normal(" pipeline"); if (cpucfg & GT_CPUCfg_AACKDelay) aprint_normal(" aack-delay"); if (cpucfg & GT_CPUCfg_RdOOO) aprint_normal(" read-ooo"); if (cpucfg & GT_CPUCfg_IOSBDis) aprint_normal(" io-sb-dis"); if (cpucfg & GT_CPUCfg_ConfSBDis) aprint_normal(" conf-sb-dis"); if (cpucfg & GT_CPUCfg_ClkSync) aprint_normal(" clk-sync"); aprint_normal("\n"); gt_init_hostid(gt); gt_watchdog_init(gt); gt_init_interrupt(gt); #ifdef GT_ECC gt_ecc_intr_enb(gt); #endif gt_comm_intr_enb(gt); gt_devbus_intr_enb(gt); gt_watchdog_disable(); config_search(gt_cfsearch, >->gt_dev, NULL); gt_watchdog_service(); gt_watchdog_enable(); }