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, 0 insertions, 510 deletions
diff --git a/drivers/isdn/hardware/eicon/s_4bri.c b/drivers/isdn/hardware/eicon/s_4bri.c deleted file mode 100644 index ec12165fbf62..000000000000 --- a/drivers/isdn/hardware/eicon/s_4bri.c +++ /dev/null @@ -1,510 +0,0 @@ - -/* - * - 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]); - } - -} - -/* -------------------------------------------------------------------------- */ |