diff options
Diffstat (limited to 'arch/mips/au1000')
| -rw-r--r-- | arch/mips/au1000/common/pci.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/arch/mips/au1000/common/pci.c b/arch/mips/au1000/common/pci.c index 9f8ce08e173b..6c25e6c09f78 100644 --- a/arch/mips/au1000/common/pci.c +++ b/arch/mips/au1000/common/pci.c | |||
| @@ -76,13 +76,17 @@ static int __init au1x_pci_setup(void) | |||
| 76 | } | 76 | } |
| 77 | 77 | ||
| 78 | #ifdef CONFIG_DMA_NONCOHERENT | 78 | #ifdef CONFIG_DMA_NONCOHERENT |
| 79 | /* | 79 | { |
| 80 | * Set the NC bit in controller for Au1500 pre-AC silicon | 80 | /* |
| 81 | */ | 81 | * Set the NC bit in controller for Au1500 pre-AC silicon |
| 82 | u32 prid = read_c0_prid(); | 82 | */ |
| 83 | if ( (prid & 0xFF000000) == 0x01000000 && prid < 0x01030202) { | 83 | u32 prid = read_c0_prid(); |
| 84 | au_writel( 1<<16 | au_readl(Au1500_PCI_CFG), Au1500_PCI_CFG); | 84 | |
| 85 | printk("Non-coherent PCI accesses enabled\n"); | 85 | if ((prid & 0xFF000000) == 0x01000000 && prid < 0x01030202) { |
| 86 | au_writel((1 << 16) | au_readl(Au1500_PCI_CFG), | ||
| 87 | Au1500_PCI_CFG); | ||
| 88 | printk("Non-coherent PCI accesses enabled\n"); | ||
| 89 | } | ||
| 86 | } | 90 | } |
| 87 | #endif | 91 | #endif |
| 88 | 92 | ||