Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
Atsushi Nemoto | 175 | 49.16% | 13 | 61.90% |
Ralf Baechle | 155 | 43.54% | 4 | 19.05% |
Thomas Gleixner | 17 | 4.78% | 2 | 9.52% |
Andrew Morton | 6 | 1.69% | 1 | 4.76% |
David Howells | 3 | 0.84% | 1 | 4.76% |
Total | 356 | 21 |
/* * Toshiba RBTX4927 specific interrupt handlers * * Author: MontaVista Software, Inc. * source@mvista.com * * Copyright 2001-2002 MontaVista Software Inc. * * 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 SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE * USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * 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. */ /* * I8259A_IRQ_BASE+00 * I8259A_IRQ_BASE+01 PS2/Keyboard * I8259A_IRQ_BASE+02 Cascade RBTX4927-ISA (irqs 8-15) * I8259A_IRQ_BASE+03 * I8259A_IRQ_BASE+04 * I8259A_IRQ_BASE+05 * I8259A_IRQ_BASE+06 * I8259A_IRQ_BASE+07 * I8259A_IRQ_BASE+08 * I8259A_IRQ_BASE+09 * I8259A_IRQ_BASE+10 * I8259A_IRQ_BASE+11 * I8259A_IRQ_BASE+12 PS2/Mouse (not supported at this time) * I8259A_IRQ_BASE+13 * I8259A_IRQ_BASE+14 IDE * I8259A_IRQ_BASE+15 * * MIPS_CPU_IRQ_BASE+00 Software 0 * MIPS_CPU_IRQ_BASE+01 Software 1 * MIPS_CPU_IRQ_BASE+02 Cascade TX4927-CP0 * MIPS_CPU_IRQ_BASE+03 Multiplexed -- do not use * MIPS_CPU_IRQ_BASE+04 Multiplexed -- do not use * MIPS_CPU_IRQ_BASE+05 Multiplexed -- do not use * MIPS_CPU_IRQ_BASE+06 Multiplexed -- do not use * MIPS_CPU_IRQ_BASE+07 CPU TIMER * * TXX9_IRQ_BASE+00 * TXX9_IRQ_BASE+01 * TXX9_IRQ_BASE+02 * TXX9_IRQ_BASE+03 Cascade RBTX4927-IOC * TXX9_IRQ_BASE+04 * TXX9_IRQ_BASE+05 RBTX4927 RTL-8019AS ethernet * TXX9_IRQ_BASE+06 * TXX9_IRQ_BASE+07 * TXX9_IRQ_BASE+08 TX4927 SerialIO Channel 0 * TXX9_IRQ_BASE+09 TX4927 SerialIO Channel 1 * TXX9_IRQ_BASE+10 * TXX9_IRQ_BASE+11 * TXX9_IRQ_BASE+12 * TXX9_IRQ_BASE+13 * TXX9_IRQ_BASE+14 * TXX9_IRQ_BASE+15 * TXX9_IRQ_BASE+16 TX4927 PCI PCI-C * TXX9_IRQ_BASE+17 * TXX9_IRQ_BASE+18 * TXX9_IRQ_BASE+19 * TXX9_IRQ_BASE+20 * TXX9_IRQ_BASE+21 * TXX9_IRQ_BASE+22 TX4927 PCI PCI-ERR * TXX9_IRQ_BASE+23 TX4927 PCI PCI-PMA (not used) * TXX9_IRQ_BASE+24 * TXX9_IRQ_BASE+25 * TXX9_IRQ_BASE+26 * TXX9_IRQ_BASE+27 * TXX9_IRQ_BASE+28 * TXX9_IRQ_BASE+29 * TXX9_IRQ_BASE+30 * TXX9_IRQ_BASE+31 * * RBTX4927_IRQ_IOC+00 FPCIB0 PCI-D (SouthBridge) * RBTX4927_IRQ_IOC+01 FPCIB0 PCI-C (SouthBridge) * RBTX4927_IRQ_IOC+02 FPCIB0 PCI-B (SouthBridge/IDE/pin=1,INTR) * RBTX4927_IRQ_IOC+03 FPCIB0 PCI-A (SouthBridge/USB/pin=4) * RBTX4927_IRQ_IOC+04 * RBTX4927_IRQ_IOC+05 * RBTX4927_IRQ_IOC+06 * RBTX4927_IRQ_IOC+07 * * NOTES: * SouthBridge/INTR is mapped to SouthBridge/A=PCI-B/#58 * SouthBridge/ISA/pin=0 no pci irq used by this device * SouthBridge/IDE/pin=1 no pci irq used by this device, using INTR * via ISA IRQ14 * SouthBridge/USB/pin=4 using pci irq SouthBridge/D=PCI-A=#59 * SouthBridge/PMC/pin=0 no pci irq used by this device * SuperIO/PS2/Keyboard, using INTR via ISA IRQ1 * SuperIO/PS2/Mouse, using INTR via ISA IRQ12 (mouse not currently supported) * JP7 is not bus master -- do NOT use -- only 4 pci bus master's * allowed -- SouthBridge, JP4, JP5, JP6 */ #include <linux/init.h> #include <linux/types.h> #include <linux/interrupt.h> #include <linux/irq.h> #include <asm/io.h> #include <asm/mipsregs.h> #include <asm/txx9/generic.h> #include <asm/txx9/rbtx4927.h> static int toshiba_rbtx4927_irq_nested(int sw_irq) { u8 level3; level3 = readb(rbtx4927_imstat_addr) & 0x1f; if (unlikely(!level3)) return -1; return RBTX4927_IRQ_IOC + __fls8(level3); } static void toshiba_rbtx4927_irq_ioc_enable(struct irq_data *d) { unsigned char v; v = readb(rbtx4927_imask_addr); v |= (1 << (d->irq - RBTX4927_IRQ_IOC)); writeb(v, rbtx4927_imask_addr); } static void toshiba_rbtx4927_irq_ioc_disable(struct irq_data *d) { unsigned char v; v = readb(rbtx4927_imask_addr); v &= ~(1 << (d->irq - RBTX4927_IRQ_IOC)); writeb(v, rbtx4927_imask_addr); mmiowb(); } #define TOSHIBA_RBTX4927_IOC_NAME "RBTX4927-IOC" static struct irq_chip toshiba_rbtx4927_irq_ioc_type = { .name = TOSHIBA_RBTX4927_IOC_NAME, .irq_mask = toshiba_rbtx4927_irq_ioc_disable, .irq_unmask = toshiba_rbtx4927_irq_ioc_enable, }; static void __init toshiba_rbtx4927_irq_ioc_init(void) { int i; /* mask all IOC interrupts */ writeb(0, rbtx4927_imask_addr); /* clear SoftInt interrupts */ writeb(0, rbtx4927_softint_addr); for (i = RBTX4927_IRQ_IOC; i < RBTX4927_IRQ_IOC + RBTX4927_NR_IRQ_IOC; i++) irq_set_chip_and_handler(i, &toshiba_rbtx4927_irq_ioc_type, handle_level_irq); irq_set_chained_handler(RBTX4927_IRQ_IOCINT, handle_simple_irq); } static int rbtx4927_irq_dispatch(int pending) { int irq; if (pending & STATUSF_IP7) /* cpu timer */ irq = MIPS_CPU_IRQ_BASE + 7; else if (pending & STATUSF_IP2) { /* tx4927 pic */ irq = txx9_irq(); if (irq == RBTX4927_IRQ_IOCINT) irq = toshiba_rbtx4927_irq_nested(irq); } else if (pending & STATUSF_IP0) /* user line 0 */ irq = MIPS_CPU_IRQ_BASE + 0; else if (pending & STATUSF_IP1) /* user line 1 */ irq = MIPS_CPU_IRQ_BASE + 1; else irq = -1; return irq; } void __init rbtx4927_irq_setup(void) { txx9_irq_dispatch = rbtx4927_irq_dispatch; tx4927_irq_init(); toshiba_rbtx4927_irq_ioc_init(); /* Onboard 10M Ether: High Active */ irq_set_irq_type(RBTX4927_RTL_8019_IRQ, IRQF_TRIGGER_HIGH); }
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