[U-Boot] [PATCH v2 3/4] x86: Support platform PIRQ routing
Simon Glass
sjg at chromium.org
Sat Apr 25 16:18:15 CEST 2015
On 24 April 2015 at 04:10, Bin Meng <bmeng.cn at gmail.com> wrote:
> On x86 boards, platform chipset receives up to four different
> interrupt signals from PCI devices (INTA/B/C/D), which in turn
> will be routed to chipset internal PIRQ lines then routed to
> 8259 PIC finally if configuring the whole system to work under
> the so-called PIC mode (in contrast to symmetric IO mode which
> uses IOAPIC).
>
> We add two major APIs to aid this, one for routing PIRQ and the
> other one for generating a PIRQ routing table.
>
> Signed-off-by: Bin Meng <bmeng.cn at gmail.com>
> Acked-by: Simon Glass <sjg at chromium.org>
> ---
>
> Changes in v2: None
>
> arch/x86/Kconfig | 31 ++++++++
> arch/x86/include/asm/pirq_routing.h | 139 ++++++++++++++++++++++++++++++++++++
> arch/x86/lib/Makefile | 1 +
> arch/x86/lib/pirq_routing.c | 129 +++++++++++++++++++++++++++++++++
> 4 files changed, 300 insertions(+)
> create mode 100644 arch/x86/include/asm/pirq_routing.h
> create mode 100644 arch/x86/lib/pirq_routing.c
Applied to u-boot-x86, thanks!
More information about the U-Boot
mailing list