From 846be446d3099544c2d1029ca2b7884c1641441d Mon Sep 17 00:00:00 2001 From: Huayang Duan Date: Fri, 30 Aug 2019 18:01:19 +0800 Subject: soc/mediatek/mt8183: Use cached calibration result for faster bootup Load calibration params from flash. If the format of the params is correct, use these calibration params for fast calibration to reduce the bootup time. Bootup time of DRAM partial calibration: - 1,349,385 usecs with low frequency - 924,698 usecs with middle frequency - 1,270,089 usecs with high frequency 3,544,172 usecs in total. Bootup time of DRAM fast calibration: - 216,663 usecs with low frequency - 328,220 usecs with middle frequency - 322,612 usecs with high frequency 867,495 usecs in total. BUG=b:139099592 BRANCH=none TEST=Boots correctly on Kukui Change-Id: I9ef4265dd369a1c276bb02294696556df927e7bc Signed-off-by: Huayang Duan Reviewed-on: https://review.coreboot.org/c/coreboot/+/35164 Reviewed-by: Hung-Te Lin Tested-by: build bot (Jenkins) --- .../google/kukui/sdram_params/sdram-lpddr4x-H9HCNNNCPMALHR-4GB.c | 2 ++ .../google/kukui/sdram_params/sdram-lpddr4x-K4UBE3D4AA-MGCL-4GB.c | 2 ++ .../google/kukui/sdram_params/sdram-lpddr4x-KMDH6001DA-B422-4GB.c | 2 ++ .../google/kukui/sdram_params/sdram-lpddr4x-KMDP6001DA-B425-4GB.c | 2 ++ .../google/kukui/sdram_params/sdram-lpddr4x-KMDV6001DA-B620-4GB.c | 2 ++ .../google/kukui/sdram_params/sdram-lpddr4x-MT29VZZZAD8DQKSL-4GB.c | 2 ++ .../google/kukui/sdram_params/sdram-lpddr4x-MT53E1G32D4NQ-4GB.c | 2 ++ .../google/kukui/sdram_params/sdram-lpddr4x-SDADA4CR-128G-4GB.c | 2 ++ 8 files changed, 16 insertions(+) (limited to 'src/mainboard/google/kukui/sdram_params') diff --git a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-H9HCNNNCPMALHR-4GB.c b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-H9HCNNNCPMALHR-4GB.c index fab124038f..5471f0154f 100644 --- a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-H9HCNNNCPMALHR-4GB.c +++ b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-H9HCNNNCPMALHR-4GB.c @@ -16,6 +16,8 @@ #include struct sdram_params params = { + .source = DRAMC_PARAM_SOURCE_SDRAM_CONFIG, + .frequency = 1600, .wr_level = { [CHANNEL_A] = { {0x22, 0x1b}, {0x22, 0x19} }, [CHANNEL_B] = { {0x24, 0x20}, {0x25, 0x20} } diff --git a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-K4UBE3D4AA-MGCL-4GB.c b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-K4UBE3D4AA-MGCL-4GB.c index d3c1496a6c..5743304bc9 100644 --- a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-K4UBE3D4AA-MGCL-4GB.c +++ b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-K4UBE3D4AA-MGCL-4GB.c @@ -16,6 +16,8 @@ #include struct sdram_params params = { + .source = DRAMC_PARAM_SOURCE_SDRAM_CONFIG, + .frequency = 1600, .wr_level = { [CHANNEL_A] = { {0x22, 0x1C}, {0x23, 0x1D} }, [CHANNEL_B] = { {0x26, 0x23}, {0x26, 0x23} } diff --git a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-KMDH6001DA-B422-4GB.c b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-KMDH6001DA-B422-4GB.c index c21cd12315..de06818460 100644 --- a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-KMDH6001DA-B422-4GB.c +++ b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-KMDH6001DA-B422-4GB.c @@ -16,6 +16,8 @@ #include struct sdram_params params = { + .source = DRAMC_PARAM_SOURCE_SDRAM_CONFIG, + .frequency = 1600, .wr_level = { [CHANNEL_A] = { {0x21, 0x21}, {0x20, 0x20} }, [CHANNEL_B] = { {0x1E, 0x1F}, {0x1D, 0x1E} } diff --git a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-KMDP6001DA-B425-4GB.c b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-KMDP6001DA-B425-4GB.c index 434984541c..fb83e6f418 100644 --- a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-KMDP6001DA-B425-4GB.c +++ b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-KMDP6001DA-B425-4GB.c @@ -16,6 +16,8 @@ #include struct sdram_params params = { + .source = DRAMC_PARAM_SOURCE_SDRAM_CONFIG, + .frequency = 1600, .wr_level = { [CHANNEL_A] = { {0x22, 0x21}, {0x20, 0x21} }, [CHANNEL_B] = { {0x23, 0x27}, {0x23, 0x27} } diff --git a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-KMDV6001DA-B620-4GB.c b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-KMDV6001DA-B620-4GB.c index cab57ce853..415dbda827 100644 --- a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-KMDV6001DA-B620-4GB.c +++ b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-KMDV6001DA-B620-4GB.c @@ -16,6 +16,8 @@ #include struct sdram_params params = { + .source = DRAMC_PARAM_SOURCE_SDRAM_CONFIG, + .frequency = 1600, .wr_level = { [CHANNEL_A] = { {0x21, 0x24}, {0x22, 0x24} }, [CHANNEL_B] = { {0x24, 0x28}, {0x22, 0x27} } diff --git a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-MT29VZZZAD8DQKSL-4GB.c b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-MT29VZZZAD8DQKSL-4GB.c index 2810ef50f7..bf3fe892c3 100644 --- a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-MT29VZZZAD8DQKSL-4GB.c +++ b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-MT29VZZZAD8DQKSL-4GB.c @@ -16,6 +16,8 @@ #include struct sdram_params params = { + .source = DRAMC_PARAM_SOURCE_SDRAM_CONFIG, + .frequency = 1600, .wr_level = { [CHANNEL_A] = { {0x21, 0x21}, {0x20, 0x20} }, [CHANNEL_B] = { {0x21, 0x28}, {0x21, 0x29} } diff --git a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-MT53E1G32D4NQ-4GB.c b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-MT53E1G32D4NQ-4GB.c index 329cc76afe..e5b3dcc990 100644 --- a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-MT53E1G32D4NQ-4GB.c +++ b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-MT53E1G32D4NQ-4GB.c @@ -16,6 +16,8 @@ #include struct sdram_params params = { + .source = DRAMC_PARAM_SOURCE_SDRAM_CONFIG, + .frequency = 1600, .wr_level = { [CHANNEL_A] = { {0x1F, 0x19}, {0x20, 0x1A} }, [CHANNEL_B] = { {0x22, 0x1E}, {0x22, 0x1E} } diff --git a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-SDADA4CR-128G-4GB.c b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-SDADA4CR-128G-4GB.c index ccb591e06a..cb923f5551 100644 --- a/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-SDADA4CR-128G-4GB.c +++ b/src/mainboard/google/kukui/sdram_params/sdram-lpddr4x-SDADA4CR-128G-4GB.c @@ -16,6 +16,8 @@ #include struct sdram_params params = { + .source = DRAMC_PARAM_SOURCE_SDRAM_CONFIG, + .frequency = 1600, .wr_level = { [CHANNEL_A] = { {0x1F, 0x1C}, {0x1C, 0x1B} }, [CHANNEL_B] = { {0x27, 0x28}, {0x23, 0x28} } -- cgit v1.2.3