Thread (1 message) 1 message, 1 author, 2012-09-20
DORMANTno replies

[PATCH 6/10] IXP4xx: Remove time limit for PCI TRDY to enable use of slow devices.

From: khc@pm.waw.pl (Krzysztof Halasa)
Date: 2012-09-20 20:19:48

--- a/arch/arm/mach-ixp4xx/common-pci.c
+++ b/arch/arm/mach-ixp4xx/common-pci.c
@@ -410,6 +410,7 @@ void __init ixp4xx_pci_preinit(void)
 		 * Enable the IO window to be way up high, at 0xfffffc00
 		 */
 		local_write_config(PCI_BASE_ADDRESS_5, 4, 0xfffffc01);
+		local_write_config(0x40, 4, 0x000080FF); /* No TRDY time limit */
 	} else {
 		printk("PCI: IXP4xx is target - No bus scan performed\n");
 	}
-- 
Krzysztof Halasa
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