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/openbmc/linux/drivers/memory/tegra/
H A Dtegra210-emc-table.c1 // SPDX-License-Identifier: GPL-2.0
8 #include "tegra210-emc.h"
15 struct tegra210_emc *emc = dev_get_drvdata(dev); in tegra210_emc_table_device_init() local
19 timings = memremap(rmem->base, rmem->size, MEMREMAP_WB); in tegra210_emc_table_device_init()
21 dev_err(dev, "failed to map EMC table\n"); in tegra210_emc_table_device_init()
22 return -ENOMEM; in tegra210_emc_table_device_init()
33 if (emc->derated) { in tegra210_emc_table_device_init()
34 dev_warn(dev, "excess EMC table '%s'\n", rmem->name); in tegra210_emc_table_device_init()
38 if (emc->nominal) { in tegra210_emc_table_device_init()
39 if (count != emc->num_timings) { in tegra210_emc_table_device_init()
[all …]
H A DMakefile1 # SPDX-License-Identifier: GPL-2.0
2 tegra-mc-y := mc.o
4 tegra-mc-$(CONFIG_ARCH_TEGRA_2x_SOC) += tegra20.o
5 tegra-mc-$(CONFIG_ARCH_TEGRA_3x_SOC) += tegra30.o
6 tegra-mc-$(CONFIG_ARCH_TEGRA_114_SOC) += tegra114.o
7 tegra-mc-$(CONFIG_ARCH_TEGRA_124_SOC) += tegra124.o
8 tegra-mc-$(CONFIG_ARCH_TEGRA_132_SOC) += tegra124.o
9 tegra-mc-$(CONFIG_ARCH_TEGRA_210_SOC) += tegra210.o
10 tegra-mc-$(CONFIG_ARCH_TEGRA_186_SOC) += tegra186.o
11 tegra-mc-$(CONFIG_ARCH_TEGRA_194_SOC) += tegra186.o tegra194.o
[all …]
H A Dtegra210-emc-core.c1 // SPDX-License-Identifier: GPL-2.0
3 * Copyright (c) 2015-2020, NVIDIA CORPORATION. All rights reserved.
21 #include "tegra210-emc.h"
22 #include "tegra210-mc.h"
62 next->trim_regs[EMC_PMACRO_OB_DDLL_LONG_DQ_RANK ## \
69 next->trim_perch_regs[EMC ## chan ## \
561 struct tegra210_emc *emc = from_timer(emc, timer, training); in tegra210_emc_train() local
564 if (!emc->last) in tegra210_emc_train()
567 spin_lock_irqsave(&emc->lock, flags); in tegra210_emc_train()
569 if (emc->sequence->periodic_compensation) in tegra210_emc_train()
[all …]
H A Dtegra210-emc.h1 /* SPDX-License-Identifier: GPL-2.0 */
3 * Copyright (c) 2015-2020, NVIDIA CORPORATION. All rights reserved.
891 /* nominal EMC frequency table */
893 /* derated EMC frequency table */
896 /* currently selected table (nominal or derated) */
939 void (*set_clock)(struct tegra210_emc *emc, u32 clksrc);
940 u32 (*periodic_compensation)(struct tegra210_emc *emc);
943 static inline void emc_writel(struct tegra210_emc *emc, u32 value, in emc_writel() argument
946 writel_relaxed(value, emc->regs + offset); in emc_writel()
949 static inline u32 emc_readl(struct tegra210_emc *emc, unsigned int offset) in emc_readl() argument
[all …]
H A 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] += \
[all …]
H A Dtegra124-emc.c1 // SPDX-License-Identifier: GPL-2.0-only
9 #include <linux/clk-provider.h>
15 #include <linux/interconnect-provider.h>
507 * There are multiple sources in the EMC driver which could request
512 /* protect shared rate-change code path */
518 static void emc_ccfifo_writel(struct tegra_emc *emc, u32 value, in emc_ccfifo_writel() argument
521 writel(value, emc->regs + EMC_CCFIFO_DATA); in emc_ccfifo_writel()
522 writel(offset, emc->regs + EMC_CCFIFO_ADDR); in emc_ccfifo_writel()
525 static void emc_seq_update_timing(struct tegra_emc *emc) in emc_seq_update_timing() argument
530 writel(1, emc->regs + EMC_TIMING_CONTROL); in emc_seq_update_timing()
[all …]
H A Dtegra20-emc.c1 // SPDX-License-Identifier: GPL-2.0
14 #include <linux/interconnect-provider.h>
216 * There are multiple sources in the EMC driver which could request
221 /* protect shared rate-change code path */
237 struct tegra_emc *emc = data; in tegra_emc_isr() local
241 status = readl_relaxed(emc->regs + EMC_INTSTATUS) & intmask; in tegra_emc_isr()
247 dev_err_ratelimited(emc->dev, in tegra_emc_isr()
251 writel_relaxed(status, emc->regs + EMC_INTSTATUS); in tegra_emc_isr()
256 static struct emc_timing *tegra_emc_find_timing(struct tegra_emc *emc, in tegra_emc_find_timing() argument
262 for (i = 0; i < emc->num_timings; i++) { in tegra_emc_find_timing()
[all …]
/openbmc/linux/Documentation/devicetree/bindings/memory-controllers/
H A Dnvidia,tegra20-emc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/nvidia,tegra20-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 External Memory Controller (EMC) interfaces with the off-chip SDRAM to
16 service the request stream sent from Memory Controller. The EMC also has
17 various performance-affecting settings beyond the obvious SDRAM configuration
[all …]
H A Dnvidia,tegra210-emc.yaml1 # SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/memory-controllers/nvidia,tegra210-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,tegra210-emc
26 - description: external memory clock
28 clock-names:
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/openbmc/linux/arch/arm/boot/dts/nvidia/
H A Dtegra20-acer-a500-picasso.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/atmel-maxtouch.h>
5 #include <dt-bindings/input/gpio-keys.h>
6 #include <dt-bindings/input/input.h>
7 #include <dt-bindings/thermal/thermal.h>
10 #include "tegra20-cpu-opp.dtsi"
11 #include "tegra20-cpu-opp-microvolt.dtsi"
32 * pre-existing /chosen node to be available to insert the
41 reserved-memory {
[all …]
H A Dtegra20-colibri.dtsi1 // SPDX-License-Identifier: GPL-2.0
22 nvidia,ddc-i2c-bus = <&hdmi_ddc>;
23 nvidia,hpd-gpio =
25 pll-supply = <&reg_1v8_avdd_hdmi_pll>;
26 vdd-supply = <&reg_3v3_avdd_hdmi>;
31 lan-reset-n-hog {
32 gpio-hog;
34 output-high;
35 line-name = "LAN_RESET#";
38 /* Tri-stating GMI_WR_N on SODIMM pin 99 nPWE */
[all …]
H A Dtegra30-asus-tf201.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include "tegra30-asus-transformer-common.dtsi"
5 #include "tegra30-asus-lvds-display.dtsi"
19 nvidia,enable-input = <TEGRA_PIN_ENABLE>;
27 nvidia,enable-input = <TEGRA_PIN_ENABLE>;
35 nvidia,enable-input = <TEGRA_PIN_ENABLE>;
43 nvidia,enable-input = <TEGRA_PIN_ENABLE>;
51 nvidia,enable-input = <TEGRA_PIN_ENABLE>;
57 /* Azurewave AW-NH615 BCM4329B1 */
[all …]
H A Dtegra20-asus-tf101.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/atmel-maxtouch.h>
5 #include <dt-bindings/input/gpio-keys.h>
6 #include <dt-bindings/input/input.h>
7 #include <dt-bindings/thermal/thermal.h>
10 #include "tegra20-cpu-opp.dtsi"
11 #include "tegra20-cpu-opp-microvolt.dtsi"
16 chassis-type = "convertible";
33 * pre-existing /chosen node to be available to insert the
[all …]
H A Dtegra30-asus-tf700t.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include "tegra30-asus-transformer-common.dtsi"
20 remote-endpoint = <&bridge_input>;
21 bus-width = <24>;
36 nvidia,enable-input = <TEGRA_PIN_DISABLE>;
44 nvidia,enable-input = <TEGRA_PIN_DISABLE>;
52 nvidia,enable-input = <TEGRA_PIN_DISABLE>;
60 nvidia,enable-input = <TEGRA_PIN_DISABLE>;
68 nvidia,enable-input = <TEGRA_PIN_DISABLE>;
[all …]
H A Dtegra124-nyan-blaze-emc.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include <dt-bindings/clock/tegra124-car.h>
7 emc-timings-1 {
8 nvidia,ram-code = <1>;
10 timing-12750000 {
11 clock-frequency = <12750000>;
12 nvidia,parent-clock-frequency = <408000000>;
14 clock-names = "emc-parent";
17 timing-20400000 {
18 clock-frequency = <20400000>;
[all …]
H A Dtegra124-apalis-emc.dtsi1 // SPDX-License-Identifier: GPL-2.0 OR X11
3 * Copyright 2016-2019 Toradex AG
7 #include <dt-bindings/clock/tegra124-car.h>
11 emc-timings-1 {
12 nvidia,ram-code = <1>;
14 timing-12750000 {
15 clock-frequency = <12750000>;
16 nvidia,parent-clock-frequency = <408000000>;
18 clock-names = "emc-parent";
21 timing-20400000 {
[all …]
H A Dtegra124-jetson-tk1-emc.dtsi1 // SPDX-License-Identifier: GPL-2.0
3 #include <dt-bindings/clock/tegra124-car.h>
7 emc-timings-3 {
8 nvidia,ram-code = <3>;
10 timing-12750000 {
11 clock-frequency = <12750000>;
12 nvidia,parent-clock-frequency = <408000000>;
14 clock-names = "emc-parent";
17 timing-20400000 {
18 clock-frequency = <20400000>;
[all …]
H A Dtegra30-asus-tf300t.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include "tegra30-asus-transformer-common.dtsi"
5 #include "tegra30-asus-lvds-display.dtsi"
12 tf300t-init-hog {
13 gpio-hog;
15 output-low;
27 nvidia,enable-input = <TEGRA_PIN_ENABLE>;
35 nvidia,enable-input = <TEGRA_PIN_ENABLE>;
43 nvidia,enable-input = <TEGRA_PIN_ENABLE>;
[all …]
H A Dtegra30-asus-tf300tg.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include "tegra30-asus-transformer-common.dtsi"
5 #include "tegra30-asus-lvds-display.dtsi"
12 tf300tg-init-hog {
13 gpio-hog;
28 output-low;
39 nvidia,enable-input = <TEGRA_PIN_ENABLE>;
47 nvidia,enable-input = <TEGRA_PIN_ENABLE>;
55 nvidia,enable-input = <TEGRA_PIN_ENABLE>;
[all …]
H A Dtegra20-paz00.dts1 // SPDX-License-Identifier: GPL-2.0
2 /dts-v1/;
4 #include <dt-bindings/input/input.h>
5 #include <dt-bindings/thermal/thermal.h>
8 #include "tegra20-cpu-opp.dtsi"
9 #include "tegra20-cpu-opp-microvolt.dtsi"
25 stdout-path = "serial0:115200n8";
44 vdd-supply = <&hdmi_vdd_reg>;
45 pll-supply = <&hdmi_pll_reg>;
47 nvidia,ddc-i2c-bus = <&hdmi_ddc>;
[all …]
/openbmc/u-boot/arch/arm/mach-tegra/tegra20/
H A Demc.c1 // SPDX-License-Identifier: GPL-2.0+
9 #include <asm/arch-tegra/ap.h>
10 #include <asm/arch-tegra/apb_misc.h>
12 #include <asm/arch/emc.h>
16 * The EMC registers have shadow registers. When the EMC clock is updated
20 * and relies on the clock lock on the emc clock to avoid races between
25 * This table defines the ordering of the registers provided to
94 ERR_NO_EMC_NODE = -10,
104 * Find EMC tables for the given ram code.
106 * The tegra EMC binding has two options, one using the ram code and one not.
[all …]
/openbmc/linux/Documentation/devicetree/bindings/reserved-memory/
H A Dnvidia,tegra210-emc-table.yaml1 # SPDX-License-Identifier: (GPL-2.0 OR BSD-2-Clause)
3 ---
4 $id: http://devicetree.org/schemas/reserved-memory/nvidia,tegra210-emc-table.yaml#
5 $schema: http://devicetree.org/meta-schemas/core.yaml#
7 title: NVIDIA Tegra210 EMC Frequency Table
10 - Thierry Reding <thierry.reding@gmail.com>
11 - Jon Hunter <jonathanh@nvidia.com>
14 EMC frequency table via a reserved memory region.
17 - $ref: reserved-memory.yaml
21 const: nvidia,tegra210-emc-table
[all …]
/openbmc/linux/Documentation/ABI/testing/
H A Dsysfs-firmware-efi5 EFI system table.
11 Description: It shows the physical address of runtime service table entry in
12 the EFI system table.
18 Description: It shows the physical address of config table entry in the EFI
19 system table.
24 Contact: linux-efi@vger.kernel.org
26 Tables found via the EFI System Table. The order in
34 Contact: Narendra K <Narendra.K@dell.com>, linux-bugs@dell.com
36 Table version 2 on Dell EMC PowerEdge systems in binary format
37 Users: It is used by Dell EMC OpenManage Server Administrator tool to
/openbmc/u-boot/arch/arm/include/asm/arch-tegra20/
H A Demc.h1 /* SPDX-License-Identifier: GPL-2.0+ */
14 /* EMC Registers */
78 * Set up the EMC for the given rate. The timing parameters are retrieved
79 * from the device tree "nvidia,tegra20-emc" node and its
80 * "nvidia,tegra20-emc-table" sub-nodes.
84 * @return 0 if ok, else -ve error code (look in emc.c to decode it)
89 * Get a pointer to the EMC controller from the device tree.
92 * @return pointer to EMC controller
/openbmc/linux/drivers/clk/tegra/
H A Dclk-tegra124-emc.c1 // SPDX-License-Identifier: GPL-2.0-only
3 * drivers/clk/tegra/clk-emc.c
11 #include <linux/clk-provider.h>
47 * List of clock sources for various parents the EMC clock can have.
79 struct tegra_emc *emc; member
105 val = readl(tegra->clk_regs + CLK_SOURCE_EMC); in emc_recalc_rate()
113 * safer since things have EMC rate floors. Also don't touch parent_rate
125 for (k = 0; k < tegra->num_timings; k++) { in emc_determine_rate()
126 if (tegra->timings[k].ram_code == ram_code) in emc_determine_rate()
130 for (t = k; t < tegra->num_timings; t++) { in emc_determine_rate()
[all …]

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