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MIPS: pci-ar724x: setup command register of the PCI controller

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The command register of the PCI controller is
not initialized correctly by the bootloader on
some boards and this leads to non working PCI
bus.

Add code to initialize the command register
from the Linux code to avoid this.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/4916/
Signed-off-by: John Crispin <blogic@openwrt.org>
This commit is contained in:
Gabor Juhos
2013-02-03 14:52:47 +00:00
committed by John Crispin
parent 8b66d46118
commit 12401fc28d
3 changed files with 74 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
arch/mips/include/asm/mach-ath79/ar71xx_regs.h
+2
View File
@@ -67,6 +67,8 @@
#define AR724X_PCI_CFG_BASE 0x14000000
#define AR724X_PCI_CFG_SIZE 0x1000
#define AR724X_PCI_CRP_BASE (AR71XX_APB_BASE + 0x000c0000)
#define AR724X_PCI_CRP_SIZE 0x1000
#define AR724X_PCI_CTRL_BASE (AR71XX_APB_BASE + 0x000f0000)
#define AR724X_PCI_CTRL_SIZE 0x100