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/openbmc/linux/Documentation/devicetree/bindings/memory-controllers/ddr/
H A Djedec,lpddr3.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/ddr/jedec,lpddr3.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: LPDDR3 SDRAM compliant to JEDEC JESD209-3
10 - Krzysztof Kozlowski <krzk@kernel.org>
13 - $ref: jedec,lpddr-props.yaml#
18 - items:
19 - enum:
20 - samsung,K3QF2F20DB
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H A Djedec,lpddr3-timings.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/ddr/jedec,lpddr3-timings.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: LPDDR3 SDRAM AC timing parameters for a given speed-bin
10 - Krzysztof Kozlowski <krzk@kernel.org>
14 const: jedec,lpddr3-timings
19 Maximum DDR clock frequency for the speed-bin, in Hz.
20 Property is deprecated, use max-freq.
23 max-freq:
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/openbmc/linux/drivers/memory/
H A Dof_memory.c1 // SPDX-License-Identifier: GPL-2.0-or-later
19 * of_get_min_tck() - extract min timing values for ddr
26 * default min timings provided by JEDEC.
38 ret |= of_property_read_u32(np, "tRPab-min-tck", &min->tRPab); in of_get_min_tck()
39 ret |= of_property_read_u32(np, "tRCD-min-tck", &min->tRCD); in of_get_min_tck()
40 ret |= of_property_read_u32(np, "tWR-min-tck", &min->tWR); in of_get_min_tck()
41 ret |= of_property_read_u32(np, "tRASmin-min-tck", &min->tRASmin); in of_get_min_tck()
42 ret |= of_property_read_u32(np, "tRRD-min-tck", &min->tRRD); in of_get_min_tck()
43 ret |= of_property_read_u32(np, "tWTR-min-tck", &min->tWTR); in of_get_min_tck()
44 ret |= of_property_read_u32(np, "tXP-min-tck", &min->tXP); in of_get_min_tck()
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H A Djedec_ddr.h1 /* SPDX-License-Identifier: GPL-2.0-only */
64 /* Refresh rate in nano-seconds */
143 * Structure for timings from the LPDDR2 datasheet
207 * -ENOENT if info unavailable.
221 * Structure for timings for LPDDR3 based on LPDDR2 plus additional fields.
/openbmc/u-boot/arch/arm/mach-sunxi/
H A Ddram_sun9i.c1 // SPDX-License-Identifier: GPL-2.0+
5 * (C) Copyright 2007-2015
10 * Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
26 * Allwinner as part of the open-source bootloader release (refer to
27 * https://github.com/allwinner-zh/bootloader.git) and augments the upstream
36 * Note that the Zynq-documentation provides a very close match for the DDR
38 * rules for various timings), whereas the TI Keystone II document should be
42 * (i.e. the rules for MEMC_FREQ_RATIO=2 from the Zynq-documentation apply).
48 * 1) Only DDR3 support is implemented, as our test platform (the A80-Q7
50 * 2) Only 2T-mode has been implemented and tested.
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H A DKconfig4 default "arch/arm/cpu/armv7/sunxi/u-boot-spl.lds" if !ARM64
87 ---help---
100 ---help---
102 as the original A10 (mach-sun4i).
106 ---help---
113 ---help---
116 not have official open-source DRAM initialization code, but can
122 ---help---
124 have only 16-bit memory buswidth.
128 ---help---
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/openbmc/linux/Documentation/devicetree/bindings/memory-controllers/
H A Dnvidia,tegra124-mc.yaml1 # SPDX-License-Identifier: (GPL-2.0)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/nvidia,tegra124-mc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Jon Hunter <jonathanh@nvidia.com>
11 - Thierry Reding <thierry.reding@gmail.com>
14 Tegra124 SoC features a hybrid 2x32-bit / 1x64-bit memory controller.
18 for DDR3L and LPDDR3 SDRAMs.
22 const: nvidia,tegra124-mc
30 clock-names:
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H A Dnvidia,tegra30-emc.yaml1 # SPDX-License-Identifier: (GPL-2.0)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/nvidia,tegra30-emc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Dmitry Osipenko <digetx@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
12 - Thierry Reding <thierry.reding@gmail.com>
15 The EMC interfaces with the off-chip SDRAM to service the request stream
16 sent from Memory Controller. The EMC also has various performance-affecting
19 LPDDR3, and DDR3.
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/openbmc/u-boot/doc/device-tree-bindings/clock/
H A Drockchip,rk3288-dmc.txt3 - compatible: "rockchip,rk3288-dmc", "syscon"
4 - rockchip,cru: this driver should access cru regs, so need get cru here
5 - rockchip,grf: this driver should access grf regs, so need get grf here
6 - rockchip,pmu: this driver should access pmu regs, so need get pmu here
7 - rockchip,sgrf: this driver should access sgrf regs, so need get sgrf here
8 - rockchip,noc: this driver should access noc regs, so need get noc here
9 - reg: dynamic ram protocol controller(PCTL) address and phy controller(PHYCTL) address
10 - clock: must include clock specifiers corresponding to entries in the clock-names property.
11 - clock-output-names: from common clock binding to override the default output clock name
18 -logic-supply: this driver should adjust VDD_LOGIC according to dmc frequency, so need get logic-su…
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/openbmc/u-boot/arch/arm/dts/
H A Drk3399-evb.dts1 // SPDX-License-Identifier: GPL-2.0+
6 /dts-v1/;
7 #include <dt-bindings/pwm/pwm.h>
8 #include <dt-bindings/pinctrl/rockchip.h>
10 #include "rk3399-sdram-lpddr3-4GB-1600.dtsi"
14 compatible = "rockchip,rk3399-evb", "rockchip,rk3399",
15 "google,rk3399evb-rev2";
18 stdout-path = &uart2;
19 u-boot,spl-boot-order = \
23 vdd_center: vdd-center {
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/openbmc/linux/arch/arm/boot/dts/samsung/
H A Dexynos5422-odroid-core.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 * Hardkernel Odroid XU3/XU3-Lite/XU4/HC1 boards core device tree source
6 * Copyright (c) 2013-2017 Samsung Electronics Co., Ltd.
10 #include <dt-bindings/clock/samsung,s2mps11.h>
11 #include <dt-bindings/interrupt-controller/irq.h>
12 #include <dt-bindings/gpio/gpio.h>
14 #include "exynos5422-cpus.dtsi"
27 stdout-path = "serial2:115200n8";
31 compatible = "samsung,secure-firmware";
35 fixed-rate-clocks {
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/openbmc/linux/drivers/memory/tegra/
H A Dtegra124-emc.c1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/clk-provider.h>
15 #include <linux/interconnect-provider.h>
495 struct emc_timing *timings; member
512 /* protect shared rate-change code path */
521 writel(value, emc->regs + EMC_CCFIFO_DATA); in emc_ccfifo_writel()
522 writel(offset, emc->regs + EMC_CCFIFO_ADDR); in emc_ccfifo_writel()
530 writel(1, emc->regs + EMC_TIMING_CONTROL); in emc_seq_update_timing()
533 value = readl(emc->regs + EMC_STATUS); in emc_seq_update_timing()
539 dev_err(emc->dev, "timing update timed out\n"); in emc_seq_update_timing()
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/openbmc/u-boot/arch/arm/mach-exynos/
H A Dexynos5_setup.h1 /* SPDX-License-Identifier: GPL-2.0+ */
168 /* SCLK_SRC_ISP - set SPI0/1 to 6 = SCLK_MPLL_USER */
174 /* SCLK_DIV_ISP - set SPI0/1 to 0xf = divide by 16 */
889 /* Errors that we can encourter in low-level setup */
892 SETUP_ERR_RDLV_COMPLETE_TIMEOUT = -1,
893 SETUP_ERR_ZQ_CALIBRATION_FAILURE = -2,
899 * @param mem Memory timings for this memory type.
905 /* Memory variant specific initialization code for LPDDR3 */
911 * @param mem Memory timings for this memory type.
912 * @param phy0_con16 Register address for dmc_phy0->phy_con16
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/openbmc/linux/
H A Dopengrok1.0.log1 2024-12-28 20:07:11.902-0600 FINER t583 IndexDatabase.createAnnotationCache: failed to create annotation: repository {dir='/opengrok/src/openbmc/linux',type=git,historyCache=on,renamed=false,merge=true,annotationCache=off} does not allow to create annotation cache for '/opengrok/src/openbmc/linux/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c'
2 2024-12-28 20:07:11.913-0600 FINEST t583 Statistics.logIt: Added: '/openbmc/linux/drivers/net/ethernet/marvell/mvpp2/mvpp2_prs.c' (CAnalyzer) (took 116 ms)
3 2024-12-28 20:07:11.899-0600 FINER t593 IndexDatabase.createAnnotationCache: failed to create annotation: repository {dir='/opengrok/src/openbmc/linux',type=git,historyCache=on,renamed=false,merge=true,annotationCache=off} does not allow to create annotation cache for '/opengrok/src/openbmc/linux/tools/testing/selftests/powerpc/tm/tm-signa
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