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24 lines
455 B
24 lines
455 B
// SPDX-License-Identifier: GPL-2.0-only |
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/* |
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* EISA specific code |
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*/ |
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#include <linux/ioport.h> |
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#include <linux/eisa.h> |
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#include <linux/io.h> |
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#include <xen/xen.h> |
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static __init int eisa_bus_probe(void) |
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{ |
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void __iomem *p; |
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if (xen_pv_domain() && !xen_initial_domain()) |
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return 0; |
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p = ioremap(0x0FFFD9, 4); |
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if (p && readl(p) == 'E' + ('I' << 8) + ('S' << 16) + ('A' << 24)) |
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EISA_bus = 1; |
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iounmap(p); |
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return 0; |
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} |
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subsys_initcall(eisa_bus_probe);
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