coreboot/src/soc
Reka Norman f7bb72333a soc/intel/alderlake: Select SOC_INTEL_CSE_SEND_EOP_LATE for ADL-N
On nissa, sending EOP late improves boot time by about 57ms.

Before (SOC_INTEL_CSE_SEND_EOP_EARLY):
943:after sending EOP to ME                           931,206 (58,431)
943:after sending EOP to ME                           932,911 (58,427)
943:after sending EOP to ME                           930,908 (58,429)
943:after sending EOP to ME                           941,357 (61,748)
943:after sending EOP to ME                           933,289 (62,050)
943:after sending EOP to ME                           939,578 (62,453)
943:after sending EOP to ME                           932,491 (62,050)
943:after sending EOP to ME                           929,693 (62,655)
943:after sending EOP to ME                           942,247 (62,654)
943:after sending EOP to ME                           936,984 (61,751)

After (SOC_INTEL_CSE_SEND_EOP_LATE):
943:after sending EOP to ME                           1,107,816 (3,498)
943:after sending EOP to ME                           1,053,286 (25,212)
943:after sending EOP to ME                           1,124,095 (3,511)
943:after sending EOP to ME                           1,098,591 (3,498)
943:after sending EOP to ME                           1,107,772 (3,499)
943:after sending EOP to ME                           1,080,008 (45,969)
943:after sending EOP to ME                           1,081,754 (8,024)
943:after sending EOP to ME                           1,109,193 (4,102)
943:after sending EOP to ME                           1,088,866 (4,201)
943:after sending EOP to ME                           1,081,684 (4,203)

BUG=b:247902068
TEST=EOP time is improved on nissa (measurements above).

Change-Id: I2389831b4ab62f247193b5b0c5ec201e12eaa3db
Signed-off-by: Reka Norman <rekanorman@chromium.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/70849
Reviewed-by: Kangheui Won <khwon@chromium.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
2022-12-17 20:33:52 +00:00
..
amd soc/amd/common/block/i2c: don't call die() when MMIO address is NULL 2022-12-16 15:32:02 +00:00
cavium soc/cavium/cn81xx: Use write{32,64}p() 2022-12-13 14:26:23 +00:00
example/min86 soc: Add SPDX license headers to Makefiles 2022-10-31 03:27:13 +00:00
intel soc/intel/alderlake: Select SOC_INTEL_CSE_SEND_EOP_LATE for ADL-N 2022-12-17 20:33:52 +00:00
mediatek soc/mediatek/common: Use write32p() 2022-12-13 14:26:41 +00:00
nvidia soc/nvidia/tegra210: Fix flushing SPI fifo 2022-12-05 14:19:03 +00:00
qualcomm soc/qualcomm/sc7280: Add API to differentiate PRO and NON_PRO SKUs 2022-12-13 14:35:21 +00:00
rockchip cbmem_top_chipset: Change the return value to uintptr_t 2022-11-18 16:00:45 +00:00
samsung /: Remove extra space after comma 2022-11-30 03:07:23 +00:00
sifive/fu540 cbmem_top_chipset: Change the return value to uintptr_t 2022-11-18 16:00:45 +00:00
ti src/soc/ti: Remove unnecessary space after casts 2022-11-22 13:42:28 +00:00
ucb/riscv cbmem_top_chipset: Change the return value to uintptr_t 2022-11-18 16:00:45 +00:00