diff options
Diffstat (limited to 'drivers/isdn/hardware/eicon/s_4bri.c')
| -rw-r--r-- | drivers/isdn/hardware/eicon/s_4bri.c | 510 |
1 files changed, 510 insertions, 0 deletions
diff --git a/drivers/isdn/hardware/eicon/s_4bri.c b/drivers/isdn/hardware/eicon/s_4bri.c new file mode 100644 index 0000000..25c5d7f --- /dev/null +++ b/drivers/isdn/hardware/eicon/s_4bri.c @@ -0,0 +1,510 @@ + +/* + * + Copyright (c) Eicon Networks, 2002. + * + This source file is supplied for the use with + Eicon Networks range of DIVA Server Adapters. + * + Eicon File Revision : 2.1 + * + 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, or (at your option) + any later version. + * + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY OF ANY KIND WHATSOEVER INCLUDING ANY + 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., 675 Mass Ave, Cambridge, MA 02139, USA. + * + */ +#include "platform.h" +#include "di_defs.h" +#include "pc.h" +#include "pr_pc.h" +#include "di.h" +#include "mi_pc.h" +#include "pc_maint.h" +#include "divasync.h" +#include "pc_init.h" +#include "io.h" +#include "helpers.h" +#include "dsrv4bri.h" +#include "dsp_defs.h" +#include "sdp_hdr.h" + +/*****************************************************************************/ +#define MAX_XLOG_SIZE (64 * 1024) + +/* -------------------------------------------------------------------------- + Recovery XLOG from QBRI Card + -------------------------------------------------------------------------- */ +static void qBri_cpu_trapped (PISDN_ADAPTER IoAdapter) { + byte __iomem *base ; + word *Xlog ; + dword regs[4], TrapID, offset, size ; + Xdesc xlogDesc ; + int factor = (IoAdapter->tasks == 1) ? 1 : 2; + +/* + * check for trapped MIPS 46xx CPU, dump exception frame + */ + + base = DIVA_OS_MEM_ATTACH_CONTROL(IoAdapter); + offset = IoAdapter->ControllerNumber * (IoAdapter->MemorySize >> factor) ; + + TrapID = READ_DWORD(&base[0x80]) ; + + if ( (TrapID == 0x99999999) || (TrapID == 0x99999901) ) + { + dump_trap_frame (IoAdapter, &base[0x90]) ; + IoAdapter->trapped = 1 ; + } + + regs[0] = READ_DWORD((base + offset) + 0x70); + regs[1] = READ_DWORD((base + offset) + 0x74); + regs[2] = READ_DWORD((base + offset) + 0x78); + regs[3] = READ_DWORD((base + offset) + 0x7c); + regs[0] &= IoAdapter->MemorySize - 1 ; + + if ( (regs[0] >= offset) + && (regs[0] < offset + (IoAdapter->MemorySize >> factor) - 1) ) + { + if ( !(Xlog = (word *)diva_os_malloc (0, MAX_XLOG_SIZE)) ) { + DIVA_OS_MEM_DETACH_CONTROL(IoAdapter, base); + return ; + } + + size = offset + (IoAdapter->MemorySize >> factor) - regs[0] ; + if ( size > MAX_XLOG_SIZE ) + size = MAX_XLOG_SIZE ; + memcpy_fromio (Xlog, &base[regs[0]], size) ; + xlogDesc.buf = Xlog ; + xlogDesc.cnt = READ_WORD(&base[regs[1] & (IoAdapter->MemorySize - 1)]) ; + xlogDesc.out = READ_WORD(&base[regs[2] & (IoAdapter->MemorySize - 1)]) ; + dump_xlog_buffer (IoAdapter, &xlogDesc) ; + diva_os_free (0, Xlog) ; + IoAdapter->trapped = 2 ; + } + DIVA_OS_MEM_DETACH_CONTROL(IoAdapter, base); +} + +/* -------------------------------------------------------------------------- + Reset QBRI Hardware + -------------------------------------------------------------------------- */ +static void reset_qBri_hardware (PISDN_ADAPTER IoAdapter) { + word volatile __iomem *qBriReset ; + byte volatile __iomem *qBriCntrl ; + byte volatile __iomem *p ; + + qBriReset = (word volatile __iomem *)DIVA_OS_MEM_ATTACH_PROM(IoAdapter); + WRITE_WORD(qBriReset, READ_WORD(qBriReset) | PLX9054_SOFT_RESET) ; + diva_os_wait (1) ; + WRITE_WORD(qBriReset, READ_WORD(qBriReset) & ~PLX9054_SOFT_RESET) ; + diva_os_wait (1); + WRITE_WORD(qBriReset, READ_WORD(qBriReset) | PLX9054_RELOAD_EEPROM) ; + diva_os_wait (1) ; + WRITE_WORD(qBriReset, READ_WORD(qBriReset) & ~PLX9054_RELOAD_EEPROM) ; + diva_os_wait (1); + DIVA_OS_MEM_DETACH_PROM(IoAdapter, qBriReset); + + qBriCntrl = DIVA_OS_MEM_ATTACH_CTLREG(IoAdapter); + p = &qBriCntrl[DIVA_4BRI_REVISION(IoAdapter) ? (MQ2_BREG_RISC) : (MQ_BREG_RISC)]; + WRITE_DWORD(p, 0) ; + DIVA_OS_MEM_DETACH_CTLREG(IoAdapter, qBriCntrl); + + DBG_TRC(("resetted board @ reset addr 0x%08lx", qBriReset)) + DBG_TRC(("resetted board @ cntrl addr 0x%08lx", p)) +} + +/* -------------------------------------------------------------------------- + Start Card CPU + -------------------------------------------------------------------------- */ +void start_qBri_hardware (PISDN_ADAPTER IoAdapter) { + byte volatile __iomem *qBriReset ; + byte volatile __iomem *p ; + + p = DIVA_OS_MEM_ATTACH_CTLREG(IoAdapter); + qBriReset = &p[(DIVA_4BRI_REVISION(IoAdapter)) ? (MQ2_BREG_RISC) : (MQ_BREG_RISC)]; + WRITE_DWORD(qBriReset, MQ_RISC_COLD_RESET_MASK) ; + diva_os_wait (2) ; + WRITE_DWORD(qBriReset, MQ_RISC_WARM_RESET_MASK | MQ_RISC_COLD_RESET_MASK) ; + diva_os_wait (10) ; + DIVA_OS_MEM_DETACH_CTLREG(IoAdapter, p); + + DBG_TRC(("started processor @ addr 0x%08lx", qBriReset)) +} + +/* -------------------------------------------------------------------------- + Stop Card CPU + -------------------------------------------------------------------------- */ +static void stop_qBri_hardware (PISDN_ADAPTER IoAdapter) { + byte volatile __iomem *p ; + dword volatile __iomem *qBriReset ; + dword volatile __iomem *qBriIrq ; + dword volatile __iomem *qBriIsacDspReset ; + int rev2 = DIVA_4BRI_REVISION(IoAdapter); + int reset_offset = rev2 ? (MQ2_BREG_RISC) : (MQ_BREG_RISC); + int irq_offset = rev2 ? (MQ2_BREG_IRQ_TEST) : (MQ_BREG_IRQ_TEST); + int hw_offset = rev2 ? (MQ2_ISAC_DSP_RESET) : (MQ_ISAC_DSP_RESET); + + if ( IoAdapter->ControllerNumber > 0 ) + return ; + p = DIVA_OS_MEM_ATTACH_CTLREG(IoAdapter); + qBriReset = (dword volatile __iomem *)&p[reset_offset]; + qBriIsacDspReset = (dword volatile __iomem *)&p[hw_offset]; +/* + * clear interrupt line (reset Local Interrupt Test Register) + */ + WRITE_DWORD(qBriReset, 0) ; + WRITE_DWORD(qBriIsacDspReset, 0) ; + DIVA_OS_MEM_DETACH_CTLREG(IoAdapter, p); + + p = DIVA_OS_MEM_ATTACH_RESET(IoAdapter); + WRITE_BYTE(&p[PLX9054_INTCSR], 0x00); /* disable PCI interrupts */ + DIVA_OS_MEM_DETACH_RESET(IoAdapter, p); + + p = DIVA_OS_MEM_ATTACH_CTLREG(IoAdapter); + qBriIrq = (dword volatile __iomem *)&p[irq_offset]; + WRITE_DWORD(qBriIrq, MQ_IRQ_REQ_OFF) ; + DIVA_OS_MEM_DETACH_CTLREG(IoAdapter, p); + + DBG_TRC(("stopped processor @ addr 0x%08lx", qBriReset)) + +} + +/* -------------------------------------------------------------------------- + FPGA download + -------------------------------------------------------------------------- */ +#define FPGA_NAME_OFFSET 0x10 + +static byte * qBri_check_FPGAsrc (PISDN_ADAPTER IoAdapter, char *FileName, + dword *Length, dword *code) { + byte *File ; + char *fpgaFile, *fpgaType, *fpgaDate, *fpgaTime ; + dword fpgaFlen, fpgaTlen, fpgaDlen, cnt, year, i ; + + if (!(File = (byte *)xdiLoadFile (FileName, Length, 0))) { + return (NULL) ; + } +/* + * scan file until FF and put id string into buffer + */ + for ( i = 0 ; File[i] != 0xff ; ) + { + if ( ++i >= *Length ) + { + DBG_FTL(("FPGA download: start of data header not found")) + xdiFreeFile (File) ; + return (NULL) ; + } + } + *code = i++ ; + + if ( (File[i] & 0xF0) != 0x20 ) + { + DBG_FTL(("FPGA download: data header corrupted")) + xdiFreeFile (File) ; + return (NULL) ; + } + fpgaFlen = (dword) File[FPGA_NAME_OFFSET - 1] ; + if ( fpgaFlen == 0 ) + fpgaFlen = 12 ; + fpgaFile = (char *)&File[FPGA_NAME_OFFSET] ; + fpgaTlen = (dword) fpgaFile[fpgaFlen + 2] ; + if ( fpgaTlen == 0 ) + fpgaTlen = 10 ; + fpgaType = (char *)&fpgaFile[fpgaFlen + 3] ; + fpgaDlen = (dword) fpgaType[fpgaTlen + 2] ; + if ( fpgaDlen == 0 ) + fpgaDlen = 11 ; + fpgaDate = (char *)&fpgaType[fpgaTlen + 3] ; + fpgaTime = (char *)&fpgaDate[fpgaDlen + 3] ; + cnt = (dword)(((File[ i ] & 0x0F) << 20) + (File[i + 1] << 12) + + (File[i + 2] << 4) + (File[i + 3] >> 4)) ; + + if ( (dword)(i + (cnt / 8)) > *Length ) + { + DBG_FTL(("FPGA download: '%s' file too small (%ld < %ld)", + FileName, *Length, code + ((cnt + 7) / 8) )) + xdiFreeFile (File) ; + return (NULL) ; + } + i = 0 ; + do + { + while ( (fpgaDate[i] != '\0') + && ((fpgaDate[i] < '0') || (fpgaDate[i] > '9')) ) + { + i++; + } + year = 0 ; + while ( (fpgaDate[i] >= '0') && (fpgaDate[i] <= '9') ) + year = year * 10 + (fpgaDate[i++] - '0') ; + } while ( (year < 2000) && (fpgaDate[i] != '\0') ); + + switch (IoAdapter->cardType) { + case CARDTYPE_DIVASRV_B_2F_PCI: + break; + + default: + if ( year >= 2001 ) { + IoAdapter->fpga_features |= PCINIT_FPGA_PLX_ACCESS_SUPPORTED ; + } + } + + DBG_LOG(("FPGA[%s] file %s (%s %s) len %d", + fpgaType, fpgaFile, fpgaDate, fpgaTime, cnt)) + return (File) ; +} + +/******************************************************************************/ + +#define FPGA_PROG 0x0001 /* PROG enable low */ +#define FPGA_BUSY 0x0002 /* BUSY high, DONE low */ +#define FPGA_CS 0x000C /* Enable I/O pins */ +#define FPGA_CCLK 0x0100 +#define FPGA_DOUT 0x0400 +#define FPGA_DIN FPGA_DOUT /* bidirectional I/O */ + +int qBri_FPGA_download (PISDN_ADAPTER IoAdapter) { + int bit ; + byte *File ; + dword code, FileLength ; + word volatile __iomem *addr = (word volatile __iomem *)DIVA_OS_MEM_ATTACH_PROM(IoAdapter); + word val, baseval = FPGA_CS | FPGA_PROG ; + + + + if (DIVA_4BRI_REVISION(IoAdapter)) + { + char* name; + + switch (IoAdapter->cardType) { + case CARDTYPE_DIVASRV_B_2F_PCI: + name = "dsbri2f.bit"; + break; + + case CARDTYPE_DIVASRV_B_2M_V2_PCI: + case CARDTYPE_DIVASRV_VOICE_B_2M_V2_PCI: + name = "dsbri2m.bit"; + break; + + default: + name = "ds4bri2.bit"; + } + + File = qBri_check_FPGAsrc (IoAdapter, name, + &FileLength, &code); + } + else + { + File = qBri_check_FPGAsrc (IoAdapter, "ds4bri.bit", + &FileLength, &code) ; + } + if ( !File ) { + DIVA_OS_MEM_DETACH_PROM(IoAdapter, addr); + return (0) ; + } +/* + * prepare download, pulse PROGRAM pin down. + */ + WRITE_WORD(addr, baseval & ~FPGA_PROG) ; /* PROGRAM low pulse */ + WRITE_WORD(addr, baseval) ; /* release */ + diva_os_wait (50) ; /* wait until FPGA finished internal memory clear */ +/* + * check done pin, must be low + */ + if ( READ_WORD(addr) & FPGA_BUSY ) + { + DBG_FTL(("FPGA download: acknowledge for FPGA memory clear missing")) + xdiFreeFile (File) ; + DIVA_OS_MEM_DETACH_PROM(IoAdapter, addr); + return (0) ; + } +/* + * put data onto the FPGA + */ + while ( code < FileLength ) + { + val = ((word)File[code++]) << 3 ; + + for ( bit = 8 ; bit-- > 0 ; val <<= 1 ) /* put byte onto FPGA */ + { + baseval &= ~FPGA_DOUT ; /* clr data bit */ + baseval |= (val & FPGA_DOUT) ; /* copy data bit */ + WRITE_WORD(addr, baseval) ; + WRITE_WORD(addr, baseval | FPGA_CCLK) ; /* set CCLK hi */ + WRITE_WORD(addr, baseval | FPGA_CCLK) ; /* set CCLK hi */ + WRITE_WORD(addr, baseval) ; /* set CCLK lo */ + } + } + xdiFreeFile (File) ; + diva_os_wait (100) ; + val = READ_WORD(addr) ; + + DIVA_OS_MEM_DETACH_PROM(IoAdapter, addr); + + if ( !(val & FPGA_BUSY) ) + { + DBG_FTL(("FPGA download: chip remains in busy state (0x%04x)", val)) + return (0) ; + } + + return (1) ; +} + +static int load_qBri_hardware (PISDN_ADAPTER IoAdapter) { + return (0); +} + +/* -------------------------------------------------------------------------- + Card ISR + -------------------------------------------------------------------------- */ +static int qBri_ISR (struct _ISDN_ADAPTER* IoAdapter) { + dword volatile __iomem *qBriIrq ; + + PADAPTER_LIST_ENTRY QuadroList = IoAdapter->QuadroList ; + + word i ; + int serviced = 0 ; + byte __iomem *p; + + p = DIVA_OS_MEM_ATTACH_RESET(IoAdapter); + + if ( !(READ_BYTE(&p[PLX9054_INTCSR]) & 0x80) ) { + DIVA_OS_MEM_DETACH_RESET(IoAdapter, p); + return (0) ; + } + DIVA_OS_MEM_DETACH_RESET(IoAdapter, p); + +/* + * clear interrupt line (reset Local Interrupt Test Register) + */ + p = DIVA_OS_MEM_ATTACH_CTLREG(IoAdapter); + qBriIrq = (dword volatile __iomem *)(&p[DIVA_4BRI_REVISION(IoAdapter) ? (MQ2_BREG_IRQ_TEST) : (MQ_BREG_IRQ_TEST)]); + WRITE_DWORD(qBriIrq, MQ_IRQ_REQ_OFF) ; + DIVA_OS_MEM_DETACH_CTLREG(IoAdapter, p); + + for ( i = 0 ; i < IoAdapter->tasks; ++i ) + { + IoAdapter = QuadroList->QuadroAdapter[i] ; + + if ( IoAdapter && IoAdapter->Initialized + && IoAdapter->tst_irq (&IoAdapter->a) ) + { + IoAdapter->IrqCount++ ; + serviced = 1 ; + diva_os_schedule_soft_isr (&IoAdapter->isr_soft_isr); + } + } + + return (serviced) ; +} + +/* -------------------------------------------------------------------------- + Does disable the interrupt on the card + -------------------------------------------------------------------------- */ +static void disable_qBri_interrupt (PISDN_ADAPTER IoAdapter) { + dword volatile __iomem *qBriIrq ; + byte __iomem *p; + + if ( IoAdapter->ControllerNumber > 0 ) + return ; +/* + * clear interrupt line (reset Local Interrupt Test Register) + */ + p = DIVA_OS_MEM_ATTACH_RESET(IoAdapter); + WRITE_BYTE(&p[PLX9054_INTCSR], 0x00); /* disable PCI interrupts */ + DIVA_OS_MEM_DETACH_RESET(IoAdapter, p); + + p = DIVA_OS_MEM_ATTACH_CTLREG(IoAdapter); + qBriIrq = (dword volatile __iomem *)(&p[DIVA_4BRI_REVISION(IoAdapter) ? (MQ2_BREG_IRQ_TEST) : (MQ_BREG_IRQ_TEST)]); + WRITE_DWORD(qBriIrq, MQ_IRQ_REQ_OFF) ; + DIVA_OS_MEM_DETACH_CTLREG(IoAdapter, p); +} + +/* -------------------------------------------------------------------------- + Install Adapter Entry Points + -------------------------------------------------------------------------- */ +static void set_common_qBri_functions (PISDN_ADAPTER IoAdapter) { + ADAPTER *a; + + a = &IoAdapter->a ; + + a->ram_in = mem_in ; + a->ram_inw = mem_inw ; + a->ram_in_buffer = mem_in_buffer ; + a->ram_look_ahead = mem_look_ahead ; + a->ram_out = mem_out ; + a->ram_outw = mem_outw ; + a->ram_out_buffer = mem_out_buffer ; + a->ram_inc = mem_inc ; + + IoAdapter->out = pr_out ; + IoAdapter->dpc = pr_dpc ; + IoAdapter->tst_irq = scom_test_int ; + IoAdapter->clr_irq = scom_clear_int ; + IoAdapter->pcm = (struct pc_maint *)MIPS_MAINT_OFFS ; + + IoAdapter->load = load_qBri_hardware ; + + IoAdapter->disIrq = disable_qBri_interrupt ; + IoAdapter->rstFnc = reset_qBri_hardware ; + IoAdapter->stop = stop_qBri_hardware ; + IoAdapter->trapFnc = qBri_cpu_trapped ; + + IoAdapter->diva_isr_handler = qBri_ISR; + + IoAdapter->a.io = (void*)IoAdapter ; +} + +static void set_qBri_functions (PISDN_ADAPTER IoAdapter) { + if (!IoAdapter->tasks) { + IoAdapter->tasks = MQ_INSTANCE_COUNT; + } + IoAdapter->MemorySize = MQ_MEMORY_SIZE ; + set_common_qBri_functions (IoAdapter) ; + diva_os_set_qBri_functions (IoAdapter) ; +} + +static void set_qBri2_functions (PISDN_ADAPTER IoAdapter) { + if (!IoAdapter->tasks) { + IoAdapter->tasks = MQ_INSTANCE_COUNT; + } + IoAdapter->MemorySize = (IoAdapter->tasks == 1) ? BRI2_MEMORY_SIZE : MQ2_MEMORY_SIZE; + set_common_qBri_functions (IoAdapter) ; + diva_os_set_qBri2_functions (IoAdapter) ; +} + +/******************************************************************************/ + +void prepare_qBri_functions (PISDN_ADAPTER IoAdapter) { + + set_qBri_functions (IoAdapter->QuadroList->QuadroAdapter[0]) ; + set_qBri_functions (IoAdapter->QuadroList->QuadroAdapter[1]) ; + set_qBri_functions (IoAdapter->QuadroList->QuadroAdapter[2]) ; + set_qBri_functions (IoAdapter->QuadroList->QuadroAdapter[3]) ; + +} + +void prepare_qBri2_functions (PISDN_ADAPTER IoAdapter) { + if (!IoAdapter->tasks) { + IoAdapter->tasks = MQ_INSTANCE_COUNT; + } + + set_qBri2_functions (IoAdapter->QuadroList->QuadroAdapter[0]) ; + if (IoAdapter->tasks > 1) { + set_qBri2_functions (IoAdapter->QuadroList->QuadroAdapter[1]) ; + set_qBri2_functions (IoAdapter->QuadroList->QuadroAdapter[2]) ; + set_qBri2_functions (IoAdapter->QuadroList->QuadroAdapter[3]) ; + } + +} + +/* -------------------------------------------------------------------------- */ |
