erebion/coreboot
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions
coreboot/src/soc
History
sowmyav 4cdbd0d9fa UPSTREAM: soc/intel/skylake:Add _DSM method to reduce D3 cold delay for eMMC controller 
eMMC Controller is taking over 100ms to resume during runtime which
results in I/O latency issues on the Skylake systems like Cave and Caroline.

This patch adds _DSM method for eMMC comtroller for specifying the
device readiness durations. Function index 9 returns package of five
integers to set D3 cold delay to zero and ACPI constant Ones for the
elements where overriding the default values is not desired.

BUG=b:35774937
BRANCH=none
TEST=update caroline coreboot and test i/o latency is under 100ms

Change-Id: I7ebb13c7f72279c9c1727f68e0ad96949715bf9a
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: d448a5e98b
Original-Change-Id: Iacc8aa8560897da8770fe559ca8cd17aaf6ebeba
Original-Signed-off-by: Sowmya V <v.sowmya@intel.com>
Original-Reviewed-on: https://review.coreboot.org/18532
Original-Tested-by: build bot (Jenkins)
Original-Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/452896
2017-03-10 10:54:48 -08:00
..
broadcom/cygnus UPSTREAM: spi: Get rid of SPI_ATOMIC_SEQUENCING 2017-01-05 11:00:04 -08:00
dmp/vortex86ex UPSTREAM: src/soc: Capitalize CPU, ACPI, RAM and ROM 2016-08-04 23:37:59 -07:00
imgtec/pistachio UPSTREAM: spi: Get rid of SPI_ATOMIC_SEQUENCING 2017-01-05 11:00:04 -08:00
intel UPSTREAM: soc/intel/skylake:Add _DSM method to reduce D3 cold delay for eMMC controller 2017-03-10 10:54:48 -08:00
lowrisc/lowrisc UPSTREAM: soc/lowrisc: Place CBMEM at top of autodetected RAM 2016-12-08 12:30:55 -08:00
marvell UPSTREAM: soc/marvell/mvmap2315: Mark mvmap2315_reset() as noreturn 2017-01-13 18:41:29 -08:00
mediatek/mt8173 UPSTREAM: mt8173: Enable Kconfig options for ChromeOS 2017-02-27 14:07:47 -08:00
nvidia UPSTREAM: spi: Define and use spi_ctrlr structure 2016-12-08 12:30:16 -08:00
qualcomm Gale: spi: add vector operation method 2017-02-03 17:52:18 -08:00
rdc/r8610 rdc/r8610: Move to src/soc 2016-05-05 20:08:58 +02:00
rockchip rockchip/rk3399: fix DRAM gate training issue 2017-03-01 05:04:03 -08:00
samsung UPSTREAM: samsung/exynos5420: Fix test for src < 0 2016-12-16 15:42:11 -08:00
ucb/riscv UPSTREAM: soc/ucb/riscv: Place CBMEM at top of autodetected RAM 2016-12-08 12:30:48 -08:00