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yaml
---
r: 46126
b: refs/heads/master
c: 786d7cd
h: refs/heads/master
v: v3
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Ralf Baechle committed Feb 6, 2007
1 parent 963b974 commit 99a09b9
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Showing 3 changed files with 19 additions and 14 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: e0daad449c5195fa4552c60392eeee4e5c58d31c
refs/heads/master: 786d7cdd06581773ee7913560838d6f4487d2d9f
18 changes: 11 additions & 7 deletions trunk/arch/mips/au1000/common/pci.c
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Expand Up @@ -76,13 +76,17 @@ static int __init au1x_pci_setup(void)
}

#ifdef CONFIG_DMA_NONCOHERENT
/*
* Set the NC bit in controller for Au1500 pre-AC silicon
*/
u32 prid = read_c0_prid();
if ( (prid & 0xFF000000) == 0x01000000 && prid < 0x01030202) {
au_writel( 1<<16 | au_readl(Au1500_PCI_CFG), Au1500_PCI_CFG);
printk("Non-coherent PCI accesses enabled\n");
{
/*
* Set the NC bit in controller for Au1500 pre-AC silicon
*/
u32 prid = read_c0_prid();

if ((prid & 0xFF000000) == 0x01000000 && prid < 0x01030202) {
au_writel((1 << 16) | au_readl(Au1500_PCI_CFG),
Au1500_PCI_CFG);
printk("Non-coherent PCI accesses enabled\n");
}
}
#endif

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13 changes: 7 additions & 6 deletions trunk/include/asm-mips/mach-au1x00/au1000.h
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Expand Up @@ -39,6 +39,7 @@
#ifndef _LANGUAGE_ASSEMBLY

#include <linux/delay.h>
#include <linux/types.h>
#include <asm/io.h>

/* cpu pipeline flush */
Expand Down Expand Up @@ -1664,12 +1665,12 @@ extern au1xxx_irq_map_t au1xxx_irq_map[];
* addresses. For PCI IO, it's simpler because we get to do the ioremap
* ourselves and then adjust the device's resources.
*/
#define Au1500_EXT_CFG 0x600000000ULL
#define Au1500_EXT_CFG_TYPE1 0x680000000ULL
#define Au1500_PCI_IO_START 0x500000000ULL
#define Au1500_PCI_IO_END 0x5000FFFFFULL
#define Au1500_PCI_MEM_START 0x440000000ULL
#define Au1500_PCI_MEM_END 0x44FFFFFFFULL
#define Au1500_EXT_CFG ((resource_size_t) 0x600000000ULL)
#define Au1500_EXT_CFG_TYPE1 ((resource_size_t) 0x680000000ULL)
#define Au1500_PCI_IO_START ((resource_size_t) 0x500000000ULL)
#define Au1500_PCI_IO_END ((resource_size_t) 0x5000FFFFFULL)
#define Au1500_PCI_MEM_START ((resource_size_t) 0x440000000ULL)
#define Au1500_PCI_MEM_END ((resource_size_t) 0x44FFFFFFFULL)

#define PCI_IO_START (Au1500_PCI_IO_START + 0x1000)
#define PCI_IO_END (Au1500_PCI_IO_END)
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