1 // SPDX-License-Identifier: GPL-2.0
20 #include <asm/dma.h>
34 static unsigned long cached_irq_mask[2] = { -1, -1 };
41 	mask = (irq >= 64 ? mask << 16 : mask >> ((irq - 16) & 0x30));  in takara_update_irq_hw()
42 	regaddr = 0x510 + (((irq - 16) >> 2) & 0x0c);  in takara_update_irq_hw()
49 	unsigned int irq = d->irq;  in takara_enable_irq()
58 	unsigned int irq = d->irq;  in takara_disable_irq()
79 	 * us whether an interrupt has come in on IRQ0 or IRQ1. If  in takara_device_interrupt()
111 	int irq = (vector - 0x800) >> 4;  in takara_srm_device_interrupt()
127 		/* Return to non-accelerated mode.  */  in takara_init_irq()
137 		takara_update_irq_hw(i, -1);  in takara_init_irq()
150  * The Takara has PCI devices 1, 2, and 3 configured to slots 20,
154  * doesn't explicitly generate PCI-type interrupts, so we can
165 		{   -1,   -1,   -1,   -1,   -1},   /* slot  9 == nothing */  in takara_map_irq_srm()
166 		{   -1,   -1,   -1,   -1,   -1},   /* slot 10 == nothing */  in takara_map_irq_srm()
167 		{   -1,   -1,   -1,   -1,   -1},   /* slot 11 == nothing */  in takara_map_irq_srm()
173 		{   -1,   -1,   -1,   -1,   -1},   /* slot 16 == nothing */  in takara_map_irq_srm()
183 		unsigned int busslot = PCI_SLOT(dev->bus->self->devfn);  in takara_map_irq_srm()
184 		irq += irq_tab[busslot-min_idsel][0];  in takara_map_irq_srm()
196 		{   -1,   -1,   -1,   -1,   -1},   /* slot  9 == nothing */  in takara_map_irq()
197 		{   -1,   -1,   -1,   -1,   -1},   /* slot 10 == nothing */  in takara_map_irq()
198 		{   -1,   -1,   -1,   -1,   -1},   /* slot 11 == nothing */  in takara_map_irq()
199 		{   -1,   -1,   -1,   -1,   -1},   /* slot 12 == nothing */  in takara_map_irq()
200 		{   -1,   -1,   -1,   -1,   -1},   /* slot 13 == nothing */  in takara_map_irq()
201 		{   -1,   -1,   -1,   -1,   -1},   /* slot 14 == nothing */  in takara_map_irq()
202 		{   -1,   -1,   -1,   -1,   -1},   /* slot 15 == nothing */  in takara_map_irq()
203 		{   -1,   -1,   -1,   -1,   -1},   /* slot 16 == nothing */  in takara_map_irq()
204 		{   -1,   -1,   -1,   -1,   -1},   /* slot 17 == nothing */  in takara_map_irq()
216 	int slot = PCI_SLOT(dev->devfn);  in takara_swizzle()
221 	if (!dev->bus->self)  in takara_swizzle()
224 	busslot = PCI_SLOT(dev->bus->self->devfn);  in takara_swizzle()
225 	/* Check for built-in bridges.  */  in takara_swizzle()
226 	if (dev->bus->number != 0  in takara_swizzle()
228 	    && ((1<<(36-busslot)) & ctlreg)) {  in takara_swizzle()
230 			pin += (20 - busslot);  in takara_swizzle()
236 		/* Must be a card-based bridge.  */  in takara_swizzle()
238 		       "card-bridge behind builtin bridge yet.\n");  in takara_swizzle()
253 	if (pc873xx_probe() == -1) {  in takara_init_pci()