Mercurial > flash_v2
changeset 658:ddc030bc26c9
iq80321 PCI tweak
| author | msalter |
|---|---|
| date | Sat, 22 Feb 2003 16:52:08 +0000 |
| parents | 02afed4f500a |
| children | 007ddf4d1979 |
| files | packages/hal/arm/xscale/iq80321/current/ChangeLog packages/hal/arm/xscale/iq80321/current/src/iq80321_pci.c |
| diffstat | 2 files changed, 8 insertions(+), 1 deletions(-) [+] |
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--- a/packages/hal/arm/xscale/iq80321/current/ChangeLog +++ b/packages/hal/arm/xscale/iq80321/current/ChangeLog @@ -1,3 +1,7 @@ +2003-02-22 Mark Salter <msalter@redhat.com> + + * src/iq80321_pci.c (cyg_hal_plf_pci_init): Make BAR0 non-prefetchable. + 2003-02-12 Mark Salter <msalter@redhat.com> * include/iq80321.h: Fix battery defines.
--- a/packages/hal/arm/xscale/iq80321/current/src/iq80321_pci.c +++ b/packages/hal/arm/xscale/iq80321/current/src/iq80321_pci.c @@ -8,7 +8,7 @@ //####ECOSGPLCOPYRIGHTBEGIN#### // ------------------------------------------- // This file is part of eCos, the Embedded Configurable Operating System. -// Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc. +// Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003 Red Hat, Inc. // // eCos is free software; you can redistribute it and/or modify it under // the terms of the GNU General Public License as published by the Free @@ -125,6 +125,9 @@ cyg_hal_plf_pci_init(void) hal_pci_inbound_window_mask = ~dram_limit; + // Force BAR0 to be non-prefetchable to allow proper MU usage + *ATU_IABAR0 &= ~CYG_PRI_CFG_BAR_MEM_PREFETCH; + #ifdef CYG_HAL_STARTUP_ROM #ifdef CYGSEM_HAL_ARM_IQ80321_CLEAR_PCI_RETRY if (!hal_pcsr_cfg_retry || !cyg_hal_plf_wait_for_bios())