Any chance this will help fix my Au1x00 serial + USB issues? I know the old PCI bus code used to not work with the USB - at least the two could not run together. It's been a while since I looked at those issues, so that may have been resolved long ago.
Just curious,
Thanks!
Nate
----------------------------------------
> From: sshtylyov@xxxxxxxxxxxxx
> To: ralf@xxxxxxxxxxxxxx
> Subject: [PATCH] Alchemy: fix PCI resource conflict (take 2)
> Date: Mon, 10 Dec 2007 20:28:51 +0300
> CC: linux-mips@xxxxxxxxxxxxxx
>
> ... by getting the PCI resources back into the 32-bit range -- there's no need
> therefore for CONFIG_RESOURCES_64BIT either. This makes Alchemy PCI work again
> while currently the kernel skips the bus scan.
>
> Signed-off-by: Sergei Shtylyov <sshtylyov@xxxxxxxxxxxxx>
>
> ---
> arch/mips/au1000/Kconfig | 9 ---------
> arch/mips/au1000/common/pci.c | 8 ++++----
> include/asm-mips/mach-au1x00/au1000.h | 9 +++++----
> 3 files changed, 9 insertions(+), 17 deletions(-)
>
> Index: linux-2.6/arch/mips/au1000/Kconfig
> ===================================================================
> --- linux-2.6.orig/arch/mips/au1000/Kconfig
> +++ linux-2.6/arch/mips/au1000/Kconfig
> @@ -7,7 +7,6 @@ config MIPS_MTX1
> bool "4G Systems MTX-1 board"
> select DMA_NONCOHERENT
> select HW_HAS_PCI
> - select RESOURCES_64BIT if PCI
> select SOC_AU1500
> select SYS_SUPPORTS_LITTLE_ENDIAN
>
> @@ -22,7 +21,6 @@ config MIPS_DB1000
> select SOC_AU1000
> select DMA_NONCOHERENT
> select HW_HAS_PCI
> - select RESOURCES_64BIT if PCI
> select SYS_SUPPORTS_LITTLE_ENDIAN
>
> config MIPS_DB1100
> @@ -44,7 +42,6 @@ config MIPS_DB1500
> select DMA_NONCOHERENT
> select HW_HAS_PCI
> select MIPS_DISABLE_OBSOLETE_IDE
> - select RESOURCES_64BIT if PCI
> select SYS_SUPPORTS_BIG_ENDIAN
> select SYS_SUPPORTS_LITTLE_ENDIAN
>
> @@ -54,7 +51,6 @@ config MIPS_DB1550
> select HW_HAS_PCI
> select DMA_NONCOHERENT
> select MIPS_DISABLE_OBSOLETE_IDE
> - select RESOURCES_64BIT if PCI
> select SYS_SUPPORTS_LITTLE_ENDIAN
>
> config MIPS_MIRAGE
> @@ -68,7 +64,6 @@ config MIPS_PB1000
> select SOC_AU1000
> select DMA_NONCOHERENT
> select HW_HAS_PCI
> - select RESOURCES_64BIT if PCI
> select SWAP_IO_SPACE
> select SYS_SUPPORTS_LITTLE_ENDIAN
>
> @@ -77,7 +72,6 @@ config MIPS_PB1100
> select SOC_AU1100
> select DMA_NONCOHERENT
> select HW_HAS_PCI
> - select RESOURCES_64BIT if PCI
> select SWAP_IO_SPACE
> select SYS_SUPPORTS_LITTLE_ENDIAN
>
> @@ -86,7 +80,6 @@ config MIPS_PB1200
> select SOC_AU1200
> select DMA_NONCOHERENT
> select MIPS_DISABLE_OBSOLETE_IDE
> - select RESOURCES_64BIT if PCI
> select SYS_SUPPORTS_LITTLE_ENDIAN
>
> config MIPS_PB1500
> @@ -94,7 +87,6 @@ config MIPS_PB1500
> select SOC_AU1500
> select DMA_NONCOHERENT
> select HW_HAS_PCI
> - select RESOURCES_64BIT if PCI
> select SYS_SUPPORTS_LITTLE_ENDIAN
>
> config MIPS_PB1550
> @@ -103,7 +95,6 @@ config MIPS_PB1550
> select DMA_NONCOHERENT
> select HW_HAS_PCI
> select MIPS_DISABLE_OBSOLETE_IDE
> - select RESOURCES_64BIT if PCI
> select SYS_SUPPORTS_LITTLE_ENDIAN
>
> config MIPS_XXS1500
> Index: linux-2.6/arch/mips/au1000/common/pci.c
> ===================================================================
> --- linux-2.6.orig/arch/mips/au1000/common/pci.c
> +++ linux-2.6/arch/mips/au1000/common/pci.c
> @@ -39,15 +39,15 @@
>
> /* TBD */
> static struct resource pci_io_resource = {
> - .start = (resource_size_t)PCI_IO_START,
> - .end = (resource_size_t)PCI_IO_END,
> + .start = PCI_IO_START,
> + .end = PCI_IO_END,
> .name = "PCI IO space",
> .flags = IORESOURCE_IO
> };
>
> static struct resource pci_mem_resource = {
> - .start = (resource_size_t)PCI_MEM_START,
> - .end = (resource_size_t)PCI_MEM_END,
> + .start = PCI_MEM_START,
> + .end = PCI_MEM_END,
> .name = "PCI memory space",
> .flags = IORESOURCE_MEM
> };
> Index: linux-2.6/include/asm-mips/mach-au1x00/au1000.h
> ===================================================================
> --- linux-2.6.orig/include/asm-mips/mach-au1x00/au1000.h
> +++ linux-2.6/include/asm-mips/mach-au1x00/au1000.h
> @@ -1680,10 +1680,11 @@ enum soc_au1200_ints {
> #define Au1500_PCI_MEM_START 0x440000000ULL
> #define Au1500_PCI_MEM_END 0x44FFFFFFFULL
>
> -#define PCI_IO_START (Au1500_PCI_IO_START + 0x1000)
> -#define PCI_IO_END (Au1500_PCI_IO_END)
> -#define PCI_MEM_START (Au1500_PCI_MEM_START)
> -#define PCI_MEM_END (Au1500_PCI_MEM_END)
> +#define PCI_IO_START 0x00001000
> +#define PCI_IO_END 0x000FFFFF
> +#define PCI_MEM_START 0x40000000
> +#define PCI_MEM_END 0x4FFFFFFF
> +
> #define PCI_FIRST_DEVFN (0<<3)
> #define PCI_LAST_DEVFN (19<<3)
>
>
>
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