From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Kumar Gala <galak@kernel.crashing.org>
Cc: linuxppc-dev@ozlabs.org
Subject: Re: [PATCH 16/25] [POWERPC] Provide ability to setup P2P bridge registers from struct resource
Date: Tue, 24 Jul 2007 11:45:39 +1000 [thread overview]
Message-ID: <1185241539.5439.192.camel@localhost.localdomain> (raw)
In-Reply-To: <11852238362041-git-send-email-galak@kernel.crashing.org>
On Mon, 2007-07-23 at 15:50 -0500, Kumar Gala wrote:
> We need the ability to set P2P bridge registers to properly setup the virtual
> P2P bridges that exist in PCIe controllers for some of the embedded setups.
>
> Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
Acked-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
> ---
> arch/powerpc/kernel/pci_32.c | 18 ++++++++++++------
> include/asm-powerpc/pci-bridge.h | 2 ++
> 2 files changed, 14 insertions(+), 6 deletions(-)
>
> diff --git a/arch/powerpc/kernel/pci_32.c b/arch/powerpc/kernel/pci_32.c
> index bfcfa14..721a694 100644
> --- a/arch/powerpc/kernel/pci_32.c
> +++ b/arch/powerpc/kernel/pci_32.c
> @@ -415,15 +415,13 @@ probe_resource(struct pci_bus *parent, struct resource *pr,
> return 0;
> }
>
> -static void __init
> -update_bridge_base(struct pci_bus *bus, int i)
> +void __init
> +update_bridge_resource(struct pci_dev *dev, struct resource *res)
> {
> - struct resource *res = bus->resource[i];
> u8 io_base_lo, io_limit_lo;
> u16 mem_base, mem_limit;
> u16 cmd;
> unsigned long start, end, off;
> - struct pci_dev *dev = bus->self;
> struct pci_controller *hose = dev->sysdata;
>
> if (!hose) {
> @@ -467,12 +465,20 @@ update_bridge_base(struct pci_bus *bus, int i)
> pci_write_config_word(dev, PCI_PREF_MEMORY_LIMIT, mem_limit);
>
> } else {
> - DBG(KERN_ERR "PCI: ugh, bridge %s res %d has flags=%lx\n",
> - pci_name(dev), i, res->flags);
> + DBG(KERN_ERR "PCI: ugh, bridge %s res has flags=%lx\n",
> + pci_name(dev), res->flags);
> }
> pci_write_config_word(dev, PCI_COMMAND, cmd);
> }
>
> +static void __init
> +update_bridge_base(struct pci_bus *bus, int i)
> +{
> + struct resource *res = bus->resource[i];
> + struct pci_dev *dev = bus->self;
> + update_bridge_resource(dev, res);
> +}
> +
> static inline void alloc_resource(struct pci_dev *dev, int idx)
> {
> struct resource *pr, *r = &dev->resource[idx];
> diff --git a/include/asm-powerpc/pci-bridge.h b/include/asm-powerpc/pci-bridge.h
> index 435bfe8..b7d2ea4 100644
> --- a/include/asm-powerpc/pci-bridge.h
> +++ b/include/asm-powerpc/pci-bridge.h
> @@ -93,6 +93,8 @@ extern int early_find_capability(struct pci_controller *hose, int bus,
> extern void setup_indirect_pci(struct pci_controller* hose,
> u32 cfg_addr, u32 cfg_data, u32 flags);
> extern void setup_grackle(struct pci_controller *hose);
> +extern void __init update_bridge_resource(struct pci_dev *dev,
> + struct resource *res);
>
> #else
>
next prev parent reply other threads:[~2007-07-24 1:45 UTC|newest]
Thread overview: 39+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-23 20:49 [PATCH 00/25] Freescale PCI/PCIe support/fixup/cleanup Kumar Gala
2007-07-23 20:49 ` [PATCH 01/25] [POWERPC] Create common fsl pci/e files based on 86xx platforms Kumar Gala
2007-07-23 20:49 ` [PATCH 02/25] [POWERPC] Rewrite Freescale PCI/PCIe support for 8{3, 5, 6}xx Kumar Gala
2007-07-23 20:49 ` [PATCH 03/25] [POWERPC] Add the ability to find PCI capabilities early on Kumar Gala
2007-07-23 20:49 ` [PATCH 04/25] [POWERPC] Added indirect quirk to handle PCIe PHB that have issue w/no link Kumar Gala
2007-07-23 20:49 ` [PATCH 05/25] [POWERPC] FSL: Cleanup how we detect if we are a PCIe controller Kumar Gala
2007-07-23 20:49 ` [PATCH 06/25] [POWERPC] Add 8548 CDS PCI express controller node and PCI-X device node Kumar Gala
2007-07-23 20:49 ` [PATCH 07/25] [POWERPC] Update PCI nodes in the 83xx/85xx boards device tree Kumar Gala
2007-07-23 20:49 ` [PATCH 08/25] [POWERPC] Use Freescale pci/pcie common code for 85xx boards Kumar Gala
2007-07-23 20:49 ` [PATCH 09/25] [POWERPC] Add basic PCI node for mpc8568mds board Kumar Gala
2007-07-23 20:49 ` [PATCH 10/25] [POWERPC] Fixup resources on pci_bus for PCIe PHB when no device is connected Kumar Gala
2007-07-23 20:49 ` [PATCH 11/25] [POWERPC] 85xx: Added 8568 PCIe support Kumar Gala
2007-07-23 20:49 ` [PATCH 12/25] [POWERPC] 85xx: Add quirk to ignore bogus FPGA on CDS Kumar Gala
2007-07-23 20:50 ` [PATCH 13/25] [POWERPC] Removed setup_indirect_pci_nomap Kumar Gala
2007-07-23 20:50 ` [PATCH 14/25] [POWERPC] Make endianess of cfg_addr for indirect pci ops runtime Kumar Gala
2007-07-23 20:50 ` [PATCH 15/25] [POWERPC] Add basic PCI/PCI Express support for 8544DS board Kumar Gala
2007-07-23 20:50 ` [PATCH 16/25] [POWERPC] Provide ability to setup P2P bridge registers from struct resource Kumar Gala
2007-07-23 20:50 ` [PATCH 17/25] [POWERPC] Make sure virtual P2P bridge registers are setup on PCIe PHB Kumar Gala
2007-07-23 20:50 ` [PATCH 18/25] [POWERPC] FSL: Add support for PCI-X controllers Kumar Gala
2007-07-23 20:50 ` [PATCH 19/25] [POWERPC] 85xxCDS: Allow 8259 cascade to share an MPIC interrupt line Kumar Gala
2007-07-23 20:50 ` [PATCH 20/25] [POWERPC] 85xxCDS: Make sure restart resets the PCI bus Kumar Gala
2007-07-23 20:50 ` [PATCH 21/25] [POWERPC] 85xxCDS: Delay 8259 cascade hookup Kumar Gala
2007-07-23 20:50 ` [PATCH 22/25] [POWERPC] 85xxCDS: Misc 8548 PCI Corrections Kumar Gala
2007-07-23 20:50 ` [PATCH 23/25] [POWERPC] 85xxCDS: MPC8548 DTS cleanup Kumar Gala
2007-07-23 20:50 ` [PATCH 24/25] [POWERPC] Add Freescale PCI VENDOR ID and 8641 device IDs Kumar Gala
2007-07-23 20:50 ` [PATCH 25/25] [POWERPC] 85xx: Added needed MPC85xx PCI " Kumar Gala
2007-07-23 21:30 ` [PATCH 23/25] [POWERPC] 85xxCDS: MPC8548 DTS cleanup Scott Wood
2007-07-24 11:52 ` [PATCH 21/25] [POWERPC] 85xxCDS: Delay 8259 cascade hookup Paul Mackerras
2007-07-24 15:34 ` Kumar Gala
2007-07-24 1:48 ` [PATCH 19/25] [POWERPC] 85xxCDS: Allow 8259 cascade to share an MPIC interrupt line Benjamin Herrenschmidt
2007-07-24 2:47 ` Kumar Gala
2007-07-24 3:41 ` Kumar Gala
2007-07-24 1:45 ` Benjamin Herrenschmidt [this message]
2007-07-24 1:43 ` [PATCH 14/25] [POWERPC] Make endianess of cfg_addr for indirect pci ops runtime Benjamin Herrenschmidt
2007-07-24 2:30 ` Kumar Gala
2007-07-24 1:40 ` [PATCH 13/25] [POWERPC] Removed setup_indirect_pci_nomap Benjamin Herrenschmidt
2007-07-24 1:39 ` [PATCH 04/25] [POWERPC] Added indirect quirk to handle PCIe PHB that have issue w/no link Benjamin Herrenschmidt
2007-07-24 2:28 ` Kumar Gala
2007-07-24 1:37 ` [PATCH 03/25] [POWERPC] Add the ability to find PCI capabilities early on Benjamin Herrenschmidt
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