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Searched +full:emc +full:- +full:zcal +full:- +full:interval (Results 1 – 11 of 11) sorted by relevance

/linux-5.10/arch/arm/boot/dts/
Dtegra124-nyan-blaze-emc.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 emc-timings-1 {
5 nvidia,ram-code = <1>;
7 timing-12750000 {
8 clock-frequency = <12750000>;
9 nvidia,parent-clock-frequency = <408000000>;
11 clock-names = "emc-parent";
13 timing-20400000 {
14 clock-frequency = <20400000>;
15 nvidia,parent-clock-frequency = <408000000>;
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Dtegra124-apalis-emc.dtsi1 // SPDX-License-Identifier: GPL-2.0 OR X11
3 * Copyright 2016-2019 Toradex AG
9 emc-timings-1 {
10 nvidia,ram-code = <1>;
12 timing-12750000 {
13 clock-frequency = <12750000>;
14 nvidia,parent-clock-frequency = <408000000>;
16 clock-names = "emc-parent";
18 timing-20400000 {
19 clock-frequency = <20400000>;
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Dtegra124-jetson-tk1-emc.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 emc-timings-3 {
5 nvidia,ram-code = <3>;
7 timing-12750000 {
8 clock-frequency = <12750000>;
9 nvidia,parent-clock-frequency = <408000000>;
11 clock-names = "emc-parent";
13 timing-20400000 {
14 clock-frequency = <20400000>;
15 nvidia,parent-clock-frequency = <408000000>;
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Dtegra124-nyan-big-emc.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 nvidia,long-ram-code;
8 emc-timings-1 {
9 nvidia,ram-code = <1>;
11 timing-12750000 {
12 clock-frequency = <12750000>;
13 nvidia,parent-clock-frequency = <408000000>;
15 clock-names = "emc-parent";
17 timing-20400000 {
18 clock-frequency = <20400000>;
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Dtegra30-asus-nexus7-grouper-memory-timings.dtsi1 // SPDX-License-Identifier: GPL-2.0
4 memory-controller@7000f000 {
5 emc-timings-0 {
6 nvidia,ram-code = <0>; /* Elpida EDJ2108EDBG-DJL-F */
8 timing-25500000 {
9 clock-frequency = <25500000>;
11 nvidia,emem-configuration = <
33 timing-51000000 {
34 clock-frequency = <51000000>;
36 nvidia,emem-configuration = <
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Dtegra30-asus-nexus7-tilapia-memory-timings.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include "tegra30-asus-nexus7-grouper-memory-timings.dtsi"
12 memory-controller@7000f400 {
13 emc-timings-0 {
14 timing-667000000 {
15 clock-frequency = <667000000>;
17 nvidia,emc-auto-cal-interval = <0x001fffff>;
18 nvidia,emc-mode-1 = <0x80100002>;
19 nvidia,emc-mode-2 = <0x80200018>;
20 nvidia,emc-mode-reset = <0x80000b71>;
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/linux-5.10/Documentation/devicetree/bindings/memory-controllers/
Dnvidia,tegra124-emc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/nvidia,tegra124-emc.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
14 The EMC interfaces with the off-chip SDRAM to service the request stream
19 const: nvidia,tegra124-emc
26 - description: external memory clock
28 clock-names:
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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
18 settings. Tegra30 EMC supports multiple JEDEC standard protocols: LPDDR2,
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/linux-5.10/drivers/memory/tegra/
Dtegra124-emc.c1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/clk-provider.h>
21 #include <soc/tegra/emc.h>
488 static void emc_ccfifo_writel(struct tegra_emc *emc, u32 value, in emc_ccfifo_writel() argument
491 writel(value, emc->regs + EMC_CCFIFO_DATA); in emc_ccfifo_writel()
492 writel(offset, emc->regs + EMC_CCFIFO_ADDR); in emc_ccfifo_writel()
495 static void emc_seq_update_timing(struct tegra_emc *emc) in emc_seq_update_timing() argument
500 writel(1, emc->regs + EMC_TIMING_CONTROL); in emc_seq_update_timing()
503 value = readl(emc->regs + EMC_STATUS); in emc_seq_update_timing()
509 dev_err(emc->dev, "timing update timed out\n"); in emc_seq_update_timing()
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Dtegra30-emc.c1 // SPDX-License-Identifier: GPL-2.0+
5 * Based on downstream driver from NVIDIA and tegra124-emc.c
6 * Copyright (C) 2011-2014 NVIDIA Corporation
9 * Copyright (C) 2019 GRATE-DRIVER project
357 static int emc_seq_update_timing(struct tegra_emc *emc) in emc_seq_update_timing() argument
362 writel_relaxed(EMC_TIMING_UPDATE, emc->regs + EMC_TIMING_CONTROL); in emc_seq_update_timing()
364 err = readl_relaxed_poll_timeout_atomic(emc->regs + EMC_STATUS, val, in emc_seq_update_timing()
368 dev_err(emc->dev, "failed to update timing: %d\n", err); in emc_seq_update_timing()
377 struct tegra_emc *emc = data; in tegra_emc_isr() local
381 status = readl_relaxed(emc->regs + EMC_INTSTATUS) & intmask; in tegra_emc_isr()
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Dtegra210-emc-cc-r21021.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2014-2020, NVIDIA CORPORATION. All rights reserved.
14 #include "tegra210-emc.h"
15 #include "tegra210-mc.h"
36 #define emc_dbg(emc, flags, ...) dev_dbg(emc->dev, __VA_ARGS__) argument
53 * PTFV defines - basically just indexes into the per table PTFV array.
78 ({ next->ptfv_list[PTFV_DQSOSC_MOVAVG_ ## dev ## _INDEX] = \
79 next->ptfv_list[PTFV_DQSOSC_MOVAVG_ ## dev ## _INDEX] / \
80 next->ptfv_list[PTFV_DVFS_SAMPLES_INDEX]; })
86 ({ next->ptfv_list[PTFV_DQSOSC_MOVAVG_ ## dev ## _INDEX] += \
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