12  * we must use a trick to get the required behaviour.
14  * The trick employed here is to use long word stores to odd address -1.  The
15  * glue logic picks this up as a "trick" access, and asserts the LSB of the
19  * Things get more interesting on the pass-1 EBSA110 - the PCMCIA controller
20  * wiring was screwed in such a way that it had limited memory space access.
34 	u32 ret, a = (u32 __force) addr;  in __isamem_convert_addr()  local
39 	 * PCMCIA | 2 2 2 2 | 1 1 1 1 | 1 1 1 1 | 1 1     |         |         |  in __isamem_convert_addr()
40 	 *        | 3 2 1 0 | 9 8 7 6 | 5 4 3 2 | 1 0 9 8 | 7 6 5 4 | 3 2 1 0 |  in __isamem_convert_addr()
42 	 *  CPU   | 2 2 2 2 | 2 1 1 1 | 1 1 1 1 | 1 1 1   |         |         |  in __isamem_convert_addr()
43 	 *        | 4 3 2 1 | 0 9 9 8 | 7 6 5 4 | 3 2 0 9 | 8 7 6 5 | 4 3 2 x |  in __isamem_convert_addr()
47 	 *	0x*10000 -> 0x*1ffff  in __isamem_convert_addr()
52 	ret  = (a & 0xf803fe) << 1;  in __isamem_convert_addr()
53 	ret |= (a & 0x03fc00) << 2;  in __isamem_convert_addr()
57 	if ((a & 0x20000) == (a & 0x40000) >> 1)  in __isamem_convert_addr()
69 	void __iomem *a = __isamem_convert_addr(addr);  in __readb()  local
72 	if ((unsigned long)addr & 1)  in __readb()
73 		ret = __raw_readl(a);  in __readb()
75 		ret = __raw_readb(a);  in __readb()
81 	void __iomem *a = __isamem_convert_addr(addr);  in __readw()  local
83 	if ((unsigned long)addr & 1)  in __readw()
86 	return __raw_readw(a);  in __readw()
91 	void __iomem *a = __isamem_convert_addr(addr);  in __readl()  local
97 	ret = __raw_readw(a);  in __readl()
98 	ret |= __raw_readw(a + 4) << 16;  in __readl()
108 	void __iomem *a = __isamem_convert_addr(addr);  in readsw()  local
110 	BUG_ON((unsigned long)addr & 1);  in readsw()
112 	__raw_readsw(a, data, len);  in readsw()
118 	void __iomem *a = __isamem_convert_addr(addr);  in readsl()  local
122 	__raw_readsl(a, data, len);  in readsl()
128 	void __iomem *a = __isamem_convert_addr(addr);  in __writeb()  local
130 	if ((unsigned long)addr & 1)  in __writeb()
131 		__raw_writel(val, a);  in __writeb()
133 		__raw_writeb(val, a);  in __writeb()
138 	void __iomem *a = __isamem_convert_addr(addr);  in __writew()  local
140 	if ((unsigned long)addr & 1)  in __writew()
143 	__raw_writew(val, a);  in __writew()
148 	void __iomem *a = __isamem_convert_addr(addr);  in __writel()  local
153 	__raw_writew(val, a);  in __writel()
154 	__raw_writew(val >> 16, a + 4);  in __writel()
163 	void __iomem *a = __isamem_convert_addr(addr);  in writesw()  local
165 	BUG_ON((unsigned long)addr & 1);  in writesw()
167 	__raw_writesw(a, data, len);  in writesw()
173 	void __iomem *a = __isamem_convert_addr(addr);  in writesl()  local
177 	__raw_writesl(a, data, len);  in writesl()
182  * The EBSA110 has a weird "ISA IO" region:
192  * Region 1 (addr = 0xf0000000 + (io & ~1) << 1 + (io & 1))
220 		void __iomem *a = (void __iomem *)ISAIO_BASE + ((port & ~1) << 1);  in __inb8()  local
225 		if (port & 1)  in __inb8()
226 			ret = __raw_readl(a);  in __inb8()
228 			ret = __raw_readb(a);  in __inb8()
234  * We're addressing a 16-bit peripheral which transfers odd
247 		offset = (port & ~1) << 1 | (port & 1);  in __inb16()
262 		offset = port << 1;  in __inw()
263 		BUG_ON(port & 1);  in __inw()
269  * Fake a 32-bit read with two 16-bit reads.  Needed for 3c589.
273 	void __iomem *a;  in __inl()  local
278 	a = (void __iomem *)ISAIO_BASE + ((port & ~1) << 1);  in __inl()
280 	return __raw_readw(a) | __raw_readw(a + 4) << 16;  in __inl()
296 		void __iomem *a = (void __iomem *)ISAIO_BASE + ((port & ~1) << 1);  in __outb8()  local
301 		if (port & 1)  in __outb8()
302 			__raw_writel(val, a);  in __outb8()
304 			__raw_writeb(val, a);  in __outb8()
318 		offset = (port & ~1) << 1 | (port & 1);  in __outb16()
333 		offset = port << 1;  in __outw()
334 		BUG_ON(port & 1);  in __outw()
356 		off = (port & ~1) << 1;  in outsb()
357 		if (port & 1)  in outsb()
371 		off = (port & ~1) << 1;  in insb()
372 		if (port & 1)  in insb()
389 		off = (port & ~1) << 1;  in outsw()
390 		if (port & 1)  in outsw()
404 		off = (port & ~1) << 1;  in insw()
405 		if (port & 1)  in insw()
421 	u32 off = port << 1;  in outsl()
426 	__raw_writesw((void __iomem *)ISAIO_BASE + off, from, len << 1);  in outsl()
431 	u32 off = port << 1;  in insl()
436 	__raw_readsw((void __iomem *)ISAIO_BASE + off, from, len << 1);  in insl()