u-boot/arch/x86
Andy Shevchenko 46db4bbac3 x86: tangier: Fix DMA controller IRQ polarity in CSRT
IRQ polarity in CSRT has the same definition as by ACPI specification
chapter 19.6.64 "Interrupt (Interrupt Resource Descriptor Macro)", i.e.
ActiveHigh is 0, and ActiveLow is 1. On Intel Tangier the DMA controller
IRQ polarity is ActiveHigh.

Note, in DSDT (see southcluster.asl) it's described correctly.

Fixes: 5e99fde34a ("x86: tangier: Populate CSRT for shared DMA controller")
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
2021-08-02 15:11:40 +08:00
..
cpu x86: tangier: Fix DMA controller IRQ polarity in CSRT 2021-08-02 15:11:40 +08:00
dts x86: dts: Add "m25p,fast-read" to SPI flash node 2021-08-02 15:11:40 +08:00
include/asm x86: Add function comments to cb_sysinfo.h 2021-07-15 19:50:17 +08:00
lib smbios: error handling for invalid addresses 2021-07-24 10:49:51 +02:00
config.mk Add support for stack-protector 2021-04-20 07:31:12 -04:00
Kconfig x86: Move coreboot sysinfo parsing into generic x86 code 2021-03-27 13:59:59 +13:00
Makefile x86: Allow 16-bit init to be in TPL 2019-05-08 13:02:13 +08:00