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[Qemu-devel] ARM Realview can not support PCI
From: |
PianoPan |
Subject: |
[Qemu-devel] ARM Realview can not support PCI |
Date: |
Wed, 16 Apr 2008 17:50:55 +0800 |
HI, everyone,
I try to use the PCI on ARM Realview (Qemu). But the PCI could not
work, and the boot message contain the "Cannot find PCI core!".
The kernel that I used is 2.6.24 from kernel.org. The patch is from
the ARM Website.
And I found a strange thing. In pci driver of arm linux kernel, the
address of PCI controller is
#define REALVIEW_EB_PCI_VIRT_BASE 0xe8000000
#define REALVIEW_EB_PCI_CFG_VIRT_BASE 0xe9000000
#define REALVIEW_EB_PCI_IO_VIRT_BASE 0xea000000
but in qemu,
/* 0x60000000 PCI. */
/* 0x61000000 PCI Self Config. */
/* 0x62000000 PCI Config. */
/* 0x63000000 PCI IO. */
/* 0x64000000 PCI mem 0. */
/* 0x68000000 PCI mem 1. */
/* 0x6c000000 PCI mem 2. */
I am puzzled about them, (example: IO address in qemu is 0x63000000,
but in driver, it is 0x6a000000). If somebody give me some comments to
resolve this issue?
Regards!
Pan
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