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authorGuanXuetao <gxt@mprc.pku.edu.cn>2011-01-15 13:25:14 +0300
committerGuanXuetao <gxt@mprc.pku.edu.cn>2011-03-17 04:19:15 +0300
commit700598cef866011b878f389c30414d31fa5bb87b (patch)
tree2b09be08a2099fbf2bce706aa18d0b013e926e2c /arch/unicore32/include
parentb08b4f8e63e60a64f81e194269be14afee396f33 (diff)
downloadlinux-700598cef866011b878f389c30414d31fa5bb87b.tar.xz
unicore32 machine related files: pci bus handling
This patch implements arch-specific pci bus driver. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn>
Diffstat (limited to 'arch/unicore32/include')
-rw-r--r--arch/unicore32/include/asm/pci.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/arch/unicore32/include/asm/pci.h b/arch/unicore32/include/asm/pci.h
new file mode 100644
index 000000000000..c5b28b459535
--- /dev/null
+++ b/arch/unicore32/include/asm/pci.h
@@ -0,0 +1,46 @@
+/*
+ * linux/arch/unicore32/include/asm/pci.h
+ *
+ * Code specific to PKUnity SoC and UniCore ISA
+ *
+ * Copyright (C) 2001-2010 GUAN Xue-tao
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+#ifndef __UNICORE_PCI_H__
+#define __UNICORE_PCI_H__
+
+#ifdef __KERNEL__
+#include <asm-generic/pci-dma-compat.h>
+#include <asm-generic/pci.h>
+#include <mach/hardware.h> /* for PCIBIOS_MIN_* */
+
+static inline void pcibios_set_master(struct pci_dev *dev)
+{
+ /* No special bus mastering setup handling */
+}
+
+static inline void pcibios_penalize_isa_irq(int irq, int active)
+{
+ /* We don't do dynamic PCI IRQ allocation */
+}
+
+#ifdef CONFIG_PCI
+static inline void pci_dma_burst_advice(struct pci_dev *pdev,
+ enum pci_dma_burst_strategy *strat,
+ unsigned long *strategy_parameter)
+{
+ *strat = PCI_DMA_BURST_INFINITY;
+ *strategy_parameter = ~0UL;
+}
+#endif
+
+#define HAVE_PCI_MMAP
+extern int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
+ enum pci_mmap_state mmap_state, int write_combine);
+
+#endif /* __KERNEL__ */
+
+#endif