/* * linux/arch/mips/tx4927/toshiba_rbtx4927/toshiba_rbtx4927_irq.c * * 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. */ /* IRQ Device 00 RBTX4927-ISA/00 01 RBTX4927-ISA/01 PS2/Keyboard 02 RBTX4927-ISA/02 Cascade RBTX4927-ISA (irqs 8-15) 03 RBTX4927-ISA/03 04 RBTX4927-ISA/04 05 RBTX4927-ISA/05 06 RBTX4927-ISA/06 07 RBTX4927-ISA/07 08 RBTX4927-ISA/08 09 RBTX4927-ISA/09 10 RBTX4927-ISA/10 11 RBTX4927-ISA/11 12 RBTX4927-ISA/12 PS2/Mouse (not supported at this time) 13 RBTX4927-ISA/13 14 RBTX4927-ISA/14 IDE 15 RBTX4927-ISA/15 16 TX4927-CP0/00 Software 0 17 TX4927-CP0/01 Software 1 18 TX4927-CP0/02 Cascade TX4927-CP0 19 TX4927-CP0/03 Multiplexed -- do not use 20 TX4927-CP0/04 Multiplexed -- do not use 21 TX4927-CP0/05 Multiplexed -- do not use 22 TX4927-CP0/06 Multiplexed -- do not use 23 TX4927-CP0/07 CPU TIMER 24 TX4927-PIC/00 25 TX4927-PIC/01 26 TX4927-PIC/02 27 TX4927-PIC/03 Cascade RBTX4927-IOC 28 TX4927-PIC/04 29 TX4927-PIC/05 RBTX4927 RTL-8019AS ethernet 30 TX4927-PIC/06 31 TX4927-PIC/07 32 TX4927-PIC/08 TX4927 SerialIO Channel 0 33 TX4927-PIC/09 TX4927 SerialIO Channel 1 34 TX4927-PIC/10 35 TX4927-PIC/11 36 TX4927-PIC/12 37 TX4927-PIC/13 38 TX4927-PIC/14 39 TX4927-PIC/15 40 TX4927-PIC/16 TX4927 PCI PCI-C 41 TX4927-PIC/17 42 TX4927-PIC/18 43 TX4927-PIC/19 44 TX4927-PIC/20 45 TX4927-PIC/21 46 TX4927-PIC/22 TX4927 PCI PCI-ERR 47 TX4927-PIC/23 TX4927 PCI PCI-PMA (not used) 48 TX4927-PIC/24 49 TX4927-PIC/25 50 TX4927-PIC/26 51 TX4927-PIC/27 52 TX4927-PIC/28 53 TX4927-PIC/29 54 TX4927-PIC/30 55 TX4927-PIC/31 56 RBTX4927-IOC/00 FPCIB0 PCI-D PJ4/A PJ5/B SB/C PJ6/D PJ7/A (SouthBridge/NotUsed) [RTL-8139=PJ4] 57 RBTX4927-IOC/01 FPCIB0 PCI-C PJ4/D PJ5/A SB/B PJ6/C PJ7/D (SouthBridge/NotUsed) [RTL-8139=PJ5] 58 RBTX4927-IOC/02 FPCIB0 PCI-B PJ4/C PJ5/D SB/A PJ6/B PJ7/C (SouthBridge/IDE/pin=1,INTR) [RTL-8139=NotSupported] 59 RBTX4927-IOC/03 FPCIB0 PCI-A PJ4/B PJ5/C SB/D PJ6/A PJ7/B (SouthBridge/USB/pin=4) [RTL-8139=PJ6] 60 RBTX4927-IOC/04 61 RBTX4927-IOC/05 62 RBTX4927-IOC/06 63 RBTX4927-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 #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #ifdef CONFIG_TOSHIBA_FPCIB0 #include #endif #include #undef TOSHIBA_RBTX4927_IRQ_DEBUG #ifdef TOSHIBA_RBTX4927_IRQ_DEBUG #define TOSHIBA_RBTX4927_IRQ_NONE 0x00000000 #define TOSHIBA_RBTX4927_IRQ_INFO ( 1 << 0 ) #define TOSHIBA_RBTX4927_IRQ_WARN ( 1 << 1 ) #define TOSHIBA_RBTX4927_IRQ_EROR ( 1 << 2 ) #define TOSHIBA_RBTX4927_IRQ_IOC_INIT ( 1 << 10 ) #define TOSHIBA_RBTX4927_IRQ_IOC_STARTUP ( 1 << 11 ) #define TOSHIBA_RBTX4927_IRQ_IOC_SHUTDOWN ( 1 << 12 ) #define TOSHIBA_RBTX4927_IRQ_IOC_ENABLE ( 1 << 13 ) #define TOSHIBA_RBTX4927_IRQ_IOC_DISABLE ( 1 << 14 ) #define TOSHIBA_RBTX4927_IRQ_IOC_MASK ( 1 << 15 ) #define TOSHIBA_RBTX4927_IRQ_IOC_ENDIRQ ( 1 << 16 ) #define TOSHIBA_RBTX4927_IRQ_ISA_INIT ( 1 << 20 ) #define TOSHIBA_RBTX4927_IRQ_ISA_STARTUP ( 1 << 21 ) #define TOSHIBA_RBTX4927_IRQ_ISA_SHUTDOWN ( 1 << 22 ) #define TOSHIBA_RBTX4927_IRQ_ISA_ENABLE ( 1 << 23 ) #define TOSHIBA_RBTX4927_IRQ_ISA_DISABLE ( 1 << 24 ) #define TOSHIBA_RBTX4927_IRQ_ISA_MASK ( 1 << 25 ) #define TOSHIBA_RBTX4927_IRQ_ISA_ENDIRQ ( 1 << 26 ) #define TOSHIBA_RBTX4927_SETUP_ALL 0xffffffff #endif #ifdef TOSHIBA_RBTX4927_IRQ_DEBUG static const u32 toshiba_rbtx4927_irq_debug_flag = (TOSHIBA_RBTX4927_IRQ_NONE | TOSHIBA_RBTX4927_IRQ_INFO | TOSHIBA_RBTX4927_IRQ_WARN | TOSHIBA_RBTX4927_IRQ_EROR // | TOSHIBA_RBTX4927_IRQ_IOC_INIT // | TOSHIBA_RBTX4927_IRQ_IOC_STARTUP // | TOSHIBA_RBTX4927_IRQ_IOC_SHUTDOWN // | TOSHIBA_RBTX4927_IRQ_IOC_ENABLE // | TOSHIBA_RBTX4927_IRQ_IOC_DISABLE // | TOSHIBA_RBTX4927_IRQ_IOC_MASK // | TOSHIBA_RBTX4927_IRQ_IOC_ENDIRQ // | TOSHIBA_RBTX4927_IRQ_ISA_INIT // | TOSHIBA_RBTX4927_IRQ_ISA_STARTUP // | TOSHIBA_RBTX4927_IRQ_ISA_SHUTDOWN // | TOSHIBA_RBTX4927_IRQ_ISA_ENABLE // | TOSHIBA_RBTX4927_IRQ_ISA_DISABLE // | TOSHIBA_RBTX4927_IRQ_ISA_MASK // | TOSHIBA_RBTX4927_IRQ_ISA_ENDIRQ ); #endif #ifdef TOSHIBA_RBTX4927_IRQ_DEBUG #define TOSHIBA_RBTX4927_IRQ_DPRINTK(flag,str...) \ if ( (toshiba_rbtx4927_irq_debug_flag) & (flag) ) \ { \ char tmp[100]; \ sprintf( tmp, str ); \ printk( "%s(%s:%u)::%s", __FUNCTION__, __FILE__, __LINE__, tmp ); \ } #else #define TOSHIBA_RBTX4927_IRQ_DPRINTK(flag,str...) #endif #define TOSHIBA_RBTX4927_IRQ_IOC_RAW_BEG 0 #define TOSHIBA_RBTX4927_IRQ_IOC_RAW_END 7 #define TOSHIBA_RBTX4927_IRQ_IOC_BEG ((TX4927_IRQ_PIC_END+1)+TOSHIBA_RBTX4927_IRQ_IOC_RAW_BEG) /* 56 */ #define TOSHIBA_RBTX4927_IRQ_IOC_END ((TX4927_IRQ_PIC_END+1)+TOSHIBA_RBTX4927_IRQ_IOC_RAW_END) /* 63 */ #define TOSHIBA_RBTX4927_IRQ_ISA_BEG MI8259_IRQ_ISA_BEG #define TOSHIBA_RBTX4927_IRQ_ISA_END MI8259_IRQ_ISA_END #define TOSHIBA_RBTX4927_IRQ_ISA_MID ((TOSHIBA_RBTX4927_IRQ_ISA_BEG+TOSHIBA_RBTX4927_IRQ_ISA_END+1)/2) #define TOSHIBA_RBTX4927_IRQ_NEST_IOC_ON_PIC TX4927_IRQ_NEST_EXT_ON_PIC #define TOSHIBA_RBTX4927_IRQ_NEST_ISA_ON_IOC (TOSHIBA_RBTX4927_IRQ_IOC_BEG+2) #define TOSHIBA_RBTX4927_IRQ_NEST_ISA_ON_ISA (TOSHIBA_RBTX4927_IRQ_ISA_BEG+2) extern int tx4927_using_backplane; #ifdef CONFIG_TOSHIBA_FPCIB0 extern void enable_8259A_irq(unsigned int irq); extern void disable_8259A_irq(unsigned int irq); extern void mask_and_ack_8259A(unsigned int irq); #endif static unsigned int toshiba_rbtx4927_irq_ioc_startup(unsigned int irq); static void toshiba_rbtx4927_irq_ioc_shutdown(unsigned int irq); static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq); static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq); static void toshiba_rbtx4927_irq_ioc_mask_and_ack(unsigned int irq); static void toshiba_rbtx4927_irq_ioc_end(unsigned int irq); #ifdef CONFIG_TOSHIBA_FPCIB0 static unsigned int toshiba_rbtx4927_irq_isa_startup(unsigned int irq); static void toshiba_rbtx4927_irq_isa_shutdown(unsigned int irq); static void toshiba_rbtx4927_irq_isa_enable(unsigned int irq); static void toshiba_rbtx4927_irq_isa_disable(unsigned int irq); static void toshiba_rbtx4927_irq_isa_mask_and_ack(unsigned int irq); static void toshiba_rbtx4927_irq_isa_end(unsigned int irq); #endif static spinlock_t toshiba_rbtx4927_ioc_lock = SPIN_LOCK_UNLOCKED; #define TOSHIBA_RBTX4927_IOC_NAME "RBTX4927-IOC" static struct hw_interrupt_type toshiba_rbtx4927_irq_ioc_type = { typename:TOSHIBA_RBTX4927_IOC_NAME, startup:toshiba_rbtx4927_irq_ioc_startup, shutdown:toshiba_rbtx4927_irq_ioc_shutdown, enable:toshiba_rbtx4927_irq_ioc_enable, disable:toshiba_rbtx4927_irq_ioc_disable, ack:toshiba_rbtx4927_irq_ioc_mask_and_ack, end:toshiba_rbtx4927_irq_ioc_end, set_affinity:NULL }; #define TOSHIBA_RBTX4927_IOC_INTR_ENAB 0xbc002000 #define TOSHIBA_RBTX4927_IOC_INTR_STAT 0xbc002006 #ifdef CONFIG_TOSHIBA_FPCIB0 #define TOSHIBA_RBTX4927_ISA_NAME "RBTX4927-ISA" static struct hw_interrupt_type toshiba_rbtx4927_irq_isa_type = { typename:TOSHIBA_RBTX4927_ISA_NAME, startup:toshiba_rbtx4927_irq_isa_startup, shutdown:toshiba_rbtx4927_irq_isa_shutdown, enable:toshiba_rbtx4927_irq_isa_enable, disable:toshiba_rbtx4927_irq_isa_disable, ack:toshiba_rbtx4927_irq_isa_mask_and_ack, end:toshiba_rbtx4927_irq_isa_end, set_affinity:NULL }; #endif u32 bit2num(u32 num) { u32 i; for (i = 0; i < (sizeof(num) * 8); i++) { if (num & (1 << i)) { return (i); } } return (0); } int toshiba_rbtx4927_irq_nested(int sw_irq) { u32 level3; level3 = reg_rd08(TOSHIBA_RBTX4927_IOC_INTR_STAT) & 0x1f; if (level3) { sw_irq = TOSHIBA_RBTX4927_IRQ_IOC_BEG + bit2num(level3); if (sw_irq != TOSHIBA_RBTX4927_IRQ_NEST_ISA_ON_IOC) { goto RETURN; } } #ifdef CONFIG_TOSHIBA_FPCIB0 { u32 level4; u32 level5; if (tx4927_using_backplane) { outb(0x0A, 0x20); level4 = inb(0x20) & 0xff; if (level4) { sw_irq = TOSHIBA_RBTX4927_IRQ_ISA_BEG + bit2num(level4); if (sw_irq != TOSHIBA_RBTX4927_IRQ_NEST_ISA_ON_ISA) { goto RETURN; } } outb(0x0A, 0xA0); level5 = inb(0xA0) & 0xff; if (level5) { sw_irq = TOSHIBA_RBTX4927_IRQ_ISA_MID + bit2num(level5); goto RETURN; } } } #endif RETURN: return (sw_irq); } //#define TOSHIBA_RBTX4927_PIC_ACTION(s) { no_action, 0, 0, s, NULL, NULL } #define TOSHIBA_RBTX4927_PIC_ACTION(s) { no_action, SA_SHIRQ, 0, s, NULL, NULL } static struct irqaction toshiba_rbtx4927_irq_ioc_action = TOSHIBA_RBTX4927_PIC_ACTION(TOSHIBA_RBTX4927_IOC_NAME); #ifdef CONFIG_TOSHIBA_FPCIB0 static struct irqaction toshiba_rbtx4927_irq_isa_master = TOSHIBA_RBTX4927_PIC_ACTION(TOSHIBA_RBTX4927_ISA_NAME "/M"); static struct irqaction toshiba_rbtx4927_irq_isa_slave = TOSHIBA_RBTX4927_PIC_ACTION(TOSHIBA_RBTX4927_ISA_NAME "/S"); #endif /**********************************************************************************/ /* Functions for ioc */ /**********************************************************************************/ static void __init toshiba_rbtx4927_irq_ioc_init(void) { int i; TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_IOC_INIT, "beg=%d end=%d\n", TOSHIBA_RBTX4927_IRQ_IOC_BEG, TOSHIBA_RBTX4927_IRQ_IOC_END); for (i = TOSHIBA_RBTX4927_IRQ_IOC_BEG; i <= TOSHIBA_RBTX4927_IRQ_IOC_END; i++) { irq_desc[i].status = IRQ_DISABLED; irq_desc[i].action = 0; irq_desc[i].depth = 3; irq_desc[i].handler = &toshiba_rbtx4927_irq_ioc_type; } setup_irq(TOSHIBA_RBTX4927_IRQ_NEST_IOC_ON_PIC, &toshiba_rbtx4927_irq_ioc_action); return; } static unsigned int toshiba_rbtx4927_irq_ioc_startup(unsigned int irq) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_IOC_STARTUP, "irq=%d\n", irq); if (irq < TOSHIBA_RBTX4927_IRQ_IOC_BEG || irq > TOSHIBA_RBTX4927_IRQ_IOC_END) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR, "bad irq=%d\n", irq); panic("\n"); } toshiba_rbtx4927_irq_ioc_enable(irq); return (0); } static void toshiba_rbtx4927_irq_ioc_shutdown(unsigned int irq) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_IOC_SHUTDOWN, "irq=%d\n", irq); if (irq < TOSHIBA_RBTX4927_IRQ_IOC_BEG || irq > TOSHIBA_RBTX4927_IRQ_IOC_END) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR, "bad irq=%d\n", irq); panic("\n"); } toshiba_rbtx4927_irq_ioc_disable(irq); return; } static void toshiba_rbtx4927_irq_ioc_enable(unsigned int irq) { unsigned long flags; volatile unsigned char v; TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_IOC_ENABLE, "irq=%d\n", irq); if (irq < TOSHIBA_RBTX4927_IRQ_IOC_BEG || irq > TOSHIBA_RBTX4927_IRQ_IOC_END) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR, "bad irq=%d\n", irq); panic("\n"); } spin_lock_irqsave(&toshiba_rbtx4927_ioc_lock, flags); v = TX4927_RD08(TOSHIBA_RBTX4927_IOC_INTR_ENAB); v |= (1 << (irq - TOSHIBA_RBTX4927_IRQ_IOC_BEG)); TOSHIBA_RBTX4927_WR08(TOSHIBA_RBTX4927_IOC_INTR_ENAB, v); spin_unlock_irqrestore(&toshiba_rbtx4927_ioc_lock, flags); return; } static void toshiba_rbtx4927_irq_ioc_disable(unsigned int irq) { unsigned long flags; volatile unsigned char v; TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_IOC_DISABLE, "irq=%d\n", irq); if (irq < TOSHIBA_RBTX4927_IRQ_IOC_BEG || irq > TOSHIBA_RBTX4927_IRQ_IOC_END) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR, "bad irq=%d\n", irq); panic("\n"); } spin_lock_irqsave(&toshiba_rbtx4927_ioc_lock, flags); v = TX4927_RD08(TOSHIBA_RBTX4927_IOC_INTR_ENAB); v &= ~(1 << (irq - TOSHIBA_RBTX4927_IRQ_IOC_BEG)); TOSHIBA_RBTX4927_WR08(TOSHIBA_RBTX4927_IOC_INTR_ENAB, v); spin_unlock_irqrestore(&toshiba_rbtx4927_ioc_lock, flags); return; } static void toshiba_rbtx4927_irq_ioc_mask_and_ack(unsigned int irq) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_IOC_MASK, "irq=%d\n", irq); if (irq < TOSHIBA_RBTX4927_IRQ_IOC_BEG || irq > TOSHIBA_RBTX4927_IRQ_IOC_END) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR, "bad irq=%d\n", irq); panic("\n"); } toshiba_rbtx4927_irq_ioc_disable(irq); return; } static void toshiba_rbtx4927_irq_ioc_end(unsigned int irq) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_IOC_ENDIRQ, "irq=%d\n", irq); if (irq < TOSHIBA_RBTX4927_IRQ_IOC_BEG || irq > TOSHIBA_RBTX4927_IRQ_IOC_END) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR, "bad irq=%d\n", irq); panic("\n"); } if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) { toshiba_rbtx4927_irq_ioc_enable(irq); } return; } /**********************************************************************************/ /* Functions for isa */ /**********************************************************************************/ #ifdef CONFIG_TOSHIBA_FPCIB0 static void __init toshiba_rbtx4927_irq_isa_init(void) { int i; TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_ISA_INIT, "beg=%d end=%d\n", TOSHIBA_RBTX4927_IRQ_ISA_BEG, TOSHIBA_RBTX4927_IRQ_ISA_END); for (i = TOSHIBA_RBTX4927_IRQ_ISA_BEG; i <= TOSHIBA_RBTX4927_IRQ_ISA_END; i++) { irq_desc[i].status = IRQ_DISABLED; irq_desc[i].action = 0; irq_desc[i].depth = ((i < TOSHIBA_RBTX4927_IRQ_ISA_MID) ? (4) : (5)); irq_desc[i].handler = &toshiba_rbtx4927_irq_isa_type; } setup_irq(TOSHIBA_RBTX4927_IRQ_NEST_ISA_ON_IOC, &toshiba_rbtx4927_irq_isa_master); setup_irq(TOSHIBA_RBTX4927_IRQ_NEST_ISA_ON_ISA, &toshiba_rbtx4927_irq_isa_slave); /* make sure we are looking at IRR (not ISR) */ outb(0x0A, 0x20); outb(0x0A, 0xA0); return; } #endif #ifdef CONFIG_TOSHIBA_FPCIB0 static unsigned int toshiba_rbtx4927_irq_isa_startup(unsigned int irq) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_ISA_STARTUP, "irq=%d\n", irq); if (irq < TOSHIBA_RBTX4927_IRQ_ISA_BEG || irq > TOSHIBA_RBTX4927_IRQ_ISA_END) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR, "bad irq=%d\n", irq); panic("\n"); } toshiba_rbtx4927_irq_isa_enable(irq); return (0); } #endif #ifdef CONFIG_TOSHIBA_FPCIB0 static void toshiba_rbtx4927_irq_isa_shutdown(unsigned int irq) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_ISA_SHUTDOWN, "irq=%d\n", irq); if (irq < TOSHIBA_RBTX4927_IRQ_ISA_BEG || irq > TOSHIBA_RBTX4927_IRQ_ISA_END) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR, "bad irq=%d\n", irq); panic("\n"); } toshiba_rbtx4927_irq_isa_disable(irq); return; } #endif #ifdef CONFIG_TOSHIBA_FPCIB0 static void toshiba_rbtx4927_irq_isa_enable(unsigned int irq) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_ISA_ENABLE, "irq=%d\n", irq); if (irq < TOSHIBA_RBTX4927_IRQ_ISA_BEG || irq > TOSHIBA_RBTX4927_IRQ_ISA_END) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR, "bad irq=%d\n", irq); panic("\n"); } enable_8259A_irq(irq); return; } #endif #ifdef CONFIG_TOSHIBA_FPCIB0 static void toshiba_rbtx4927_irq_isa_disable(unsigned int irq) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_ISA_DISABLE, "irq=%d\n", irq); if (irq < TOSHIBA_RBTX4927_IRQ_ISA_BEG || irq > TOSHIBA_RBTX4927_IRQ_ISA_END) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR, "bad irq=%d\n", irq); panic("\n"); } disable_8259A_irq(irq); return; } #endif #ifdef CONFIG_TOSHIBA_FPCIB0 static void toshiba_rbtx4927_irq_isa_mask_and_ack(unsigned int irq) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_ISA_MASK, "irq=%d\n", irq); if (irq < TOSHIBA_RBTX4927_IRQ_ISA_BEG || irq > TOSHIBA_RBTX4927_IRQ_ISA_END) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR, "bad irq=%d\n", irq); panic("\n"); } mask_and_ack_8259A(irq); return; } #endif #ifdef CONFIG_TOSHIBA_FPCIB0 static void toshiba_rbtx4927_irq_isa_end(unsigned int irq) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_ISA_ENDIRQ, "irq=%d\n", irq); if (irq < TOSHIBA_RBTX4927_IRQ_ISA_BEG || irq > TOSHIBA_RBTX4927_IRQ_ISA_END) { TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_EROR, "bad irq=%d\n", irq); panic("\n"); } if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) { toshiba_rbtx4927_irq_isa_enable(irq); } return; } #endif void __init init_IRQ(void) { extern void tx4927_irq_init(void); cli(); tx4927_irq_init(); toshiba_rbtx4927_irq_ioc_init(); #ifdef CONFIG_TOSHIBA_FPCIB0 { if (tx4927_using_backplane) { toshiba_rbtx4927_irq_isa_init(); } } #endif #ifdef CONFIG_PCI { extern void toshiba_rbtx4927_pci_irq_init(void); toshiba_rbtx4927_pci_irq_init(); } #endif wbflush(); return; } void toshiba_rbtx4927_irq_dump(char *key) { #ifdef TOSHIBA_RBTX4927_IRQ_DEBUG { u32 i, j = 0; for (i = 0; i < NR_IRQS; i++) { if (strcmp(irq_desc[i].handler->typename, "none") == 0) continue; if ((i >= 1) && (irq_desc[i - 1].handler->typename == irq_desc[i].handler->typename)) { j++; } else { j = 0; } TOSHIBA_RBTX4927_IRQ_DPRINTK (TOSHIBA_RBTX4927_IRQ_INFO, "%s irq=0x%02x/%3d s=0x%08x h=0x%08x a=0x%08x ah=0x%08x d=%1d n=%s/%02d\n", key, i, i, irq_desc[i].status, (u32) irq_desc[i].handler, (u32) irq_desc[i].action, (u32) (irq_desc[i].action ? irq_desc[i]. action->handler : 0), irq_desc[i].depth, irq_desc[i].handler->typename, j); } } #endif return; } void toshiba_rbtx4927_irq_dump_pics(char *s) { u32 level0_m; u32 level0_s; u32 level1_m; u32 level1_s; u32 level2; u32 level2_p; u32 level2_s; u32 level3_m; u32 level3_s; u32 level4_m; u32 level4_s; u32 level5_m; u32 level5_s; if (s == NULL) s = "null"; level0_m = (read_c0_status() & 0x0000ff00) >> 8; level0_s = (read_c0_cause() & 0x0000ff00) >> 8; level1_m = level0_m; level1_s = level0_s & 0x87; level2 = TX4927_RD(0xff1ff6a0); level2_p = (((level2 & 0x10000)) ? 0 : 1); level2_s = (((level2 & 0x1f) == 0x1f) ? 0 : (level2 & 0x1f)); level3_m = reg_rd08(TOSHIBA_RBTX4927_IOC_INTR_ENAB) & 0x1f; level3_s = reg_rd08(TOSHIBA_RBTX4927_IOC_INTR_STAT) & 0x1f; level4_m = inb(0x21); outb(0x0A, 0x20); level4_s = inb(0x20); level5_m = inb(0xa1); outb(0x0A, 0xa0); level5_s = inb(0xa0); TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_INFO, "dump_raw_pic() "); TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_INFO, "cp0:m=0x%02x/s=0x%02x ", level0_m, level0_s); TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_INFO, "cp0:m=0x%02x/s=0x%02x ", level1_m, level1_s); TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_INFO, "pic:e=0x%02x/s=0x%02x ", level2_p, level2_s); TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_INFO, "ioc:m=0x%02x/s=0x%02x ", level3_m, level3_s); TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_INFO, "sbm:m=0x%02x/s=0x%02x ", level4_m, level4_s); TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_INFO, "sbs:m=0x%02x/s=0x%02x ", level5_m, level5_s); TOSHIBA_RBTX4927_IRQ_DPRINTK(TOSHIBA_RBTX4927_IRQ_INFO, "[%s]\n", s); return; }