mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-12-26 01:25:40 +07:00
94bbdd7724
This commit enable DMA-based transfers for SD/eMMC card adapters and reduce number of interrupts produced by SD-card/eMMC-card adapters. Sometimes interrupts from SD-card/eMMC-card adapters running in PIO mode blocks execution of hrtimers and I2S DMA callbacks for a long periods (100 ms or more). Signed-off-by: Alexander Kochetkov <al.kochet@gmail.com> [moved dma properties to rk3xxx.dtsi and added sdio dma] Signed-off-by: Heiko Stuebner <heiko@sntech.de>
456 lines
11 KiB
Plaintext
456 lines
11 KiB
Plaintext
/*
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* Copyright (c) 2013 MundoReader S.L.
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* Author: Heiko Stuebner <heiko@sntech.de>
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*
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* This file is dual-licensed: you can use it either under the terms
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* of the GPL or the X11 license, at your option. Note that this dual
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* licensing only applies to this file, and not this project as a
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* whole.
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*
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* a) This file is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This file is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* Or, alternatively,
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*
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* b) Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or
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* sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include <dt-bindings/interrupt-controller/irq.h>
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#include <dt-bindings/interrupt-controller/arm-gic.h>
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#include <dt-bindings/soc/rockchip,boot-mode.h>
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/ {
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#address-cells = <1>;
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#size-cells = <1>;
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interrupt-parent = <&gic>;
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aliases {
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ethernet0 = &emac;
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i2c0 = &i2c0;
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i2c1 = &i2c1;
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i2c2 = &i2c2;
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i2c3 = &i2c3;
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i2c4 = &i2c4;
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mshc0 = &emmc;
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mshc1 = &mmc0;
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mshc2 = &mmc1;
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serial0 = &uart0;
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serial1 = &uart1;
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serial2 = &uart2;
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serial3 = &uart3;
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spi0 = &spi0;
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spi1 = &spi1;
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};
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amba {
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compatible = "simple-bus";
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#address-cells = <1>;
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#size-cells = <1>;
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ranges;
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dmac1_s: dma-controller@20018000 {
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compatible = "arm,pl330", "arm,primecell";
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reg = <0x20018000 0x4000>;
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interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
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#dma-cells = <1>;
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arm,pl330-broken-no-flushp;
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clocks = <&cru ACLK_DMA1>;
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clock-names = "apb_pclk";
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};
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dmac1_ns: dma-controller@2001c000 {
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compatible = "arm,pl330", "arm,primecell";
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reg = <0x2001c000 0x4000>;
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interrupts = <GIC_SPI 0 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 1 IRQ_TYPE_LEVEL_HIGH>;
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#dma-cells = <1>;
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arm,pl330-broken-no-flushp;
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clocks = <&cru ACLK_DMA1>;
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clock-names = "apb_pclk";
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status = "disabled";
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};
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dmac2: dma-controller@20078000 {
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compatible = "arm,pl330", "arm,primecell";
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reg = <0x20078000 0x4000>;
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interrupts = <GIC_SPI 2 IRQ_TYPE_LEVEL_HIGH>,
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<GIC_SPI 3 IRQ_TYPE_LEVEL_HIGH>;
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#dma-cells = <1>;
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arm,pl330-broken-no-flushp;
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clocks = <&cru ACLK_DMA2>;
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clock-names = "apb_pclk";
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};
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};
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xin24m: oscillator {
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compatible = "fixed-clock";
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clock-frequency = <24000000>;
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#clock-cells = <0>;
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clock-output-names = "xin24m";
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};
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L2: l2-cache-controller@10138000 {
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compatible = "arm,pl310-cache";
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reg = <0x10138000 0x1000>;
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cache-unified;
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cache-level = <2>;
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};
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scu@1013c000 {
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compatible = "arm,cortex-a9-scu";
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reg = <0x1013c000 0x100>;
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};
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global_timer: global-timer@1013c200 {
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compatible = "arm,cortex-a9-global-timer";
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reg = <0x1013c200 0x20>;
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interrupts = <GIC_PPI 11 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_EDGE_RISING)>;
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clocks = <&cru CORE_PERI>;
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};
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local_timer: local-timer@1013c600 {
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compatible = "arm,cortex-a9-twd-timer";
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reg = <0x1013c600 0x20>;
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interrupts = <GIC_PPI 13 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_EDGE_RISING)>;
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clocks = <&cru CORE_PERI>;
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};
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gic: interrupt-controller@1013d000 {
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compatible = "arm,cortex-a9-gic";
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interrupt-controller;
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#interrupt-cells = <3>;
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reg = <0x1013d000 0x1000>,
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<0x1013c100 0x0100>;
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};
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uart0: serial@10124000 {
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compatible = "snps,dw-apb-uart";
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reg = <0x10124000 0x400>;
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interrupts = <GIC_SPI 34 IRQ_TYPE_LEVEL_HIGH>;
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reg-shift = <2>;
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reg-io-width = <1>;
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clock-names = "baudclk", "apb_pclk";
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clocks = <&cru SCLK_UART0>, <&cru PCLK_UART0>;
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status = "disabled";
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};
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uart1: serial@10126000 {
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compatible = "snps,dw-apb-uart";
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reg = <0x10126000 0x400>;
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interrupts = <GIC_SPI 35 IRQ_TYPE_LEVEL_HIGH>;
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reg-shift = <2>;
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reg-io-width = <1>;
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clock-names = "baudclk", "apb_pclk";
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clocks = <&cru SCLK_UART1>, <&cru PCLK_UART1>;
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status = "disabled";
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};
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usb_otg: usb@10180000 {
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compatible = "rockchip,rk3066-usb", "snps,dwc2";
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reg = <0x10180000 0x40000>;
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interrupts = <GIC_SPI 16 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cru HCLK_OTG0>;
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clock-names = "otg";
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dr_mode = "otg";
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g-np-tx-fifo-size = <16>;
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g-rx-fifo-size = <275>;
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g-tx-fifo-size = <256 128 128 64 64 32>;
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phys = <&usbphy0>;
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phy-names = "usb2-phy";
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status = "disabled";
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};
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usb_host: usb@101c0000 {
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compatible = "snps,dwc2";
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reg = <0x101c0000 0x40000>;
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interrupts = <GIC_SPI 17 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cru HCLK_OTG1>;
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clock-names = "otg";
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dr_mode = "host";
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phys = <&usbphy1>;
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phy-names = "usb2-phy";
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status = "disabled";
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};
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emac: ethernet@10204000 {
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compatible = "snps,arc-emac";
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reg = <0x10204000 0x3c>;
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interrupts = <GIC_SPI 19 IRQ_TYPE_LEVEL_HIGH>;
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#address-cells = <1>;
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#size-cells = <0>;
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rockchip,grf = <&grf>;
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clocks = <&cru HCLK_EMAC>, <&cru SCLK_MAC>;
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clock-names = "hclk", "macref";
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max-speed = <100>;
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phy-mode = "rmii";
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status = "disabled";
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};
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mmc0: dwmmc@10214000 {
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compatible = "rockchip,rk2928-dw-mshc";
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reg = <0x10214000 0x1000>;
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interrupts = <GIC_SPI 23 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cru HCLK_SDMMC>, <&cru SCLK_SDMMC>;
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clock-names = "biu", "ciu";
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dmas = <&dmac2 1>;
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dma-names = "rx-tx";
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fifo-depth = <256>;
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resets = <&cru SRST_SDMMC>;
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reset-names = "reset";
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status = "disabled";
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};
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mmc1: dwmmc@10218000 {
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compatible = "rockchip,rk2928-dw-mshc";
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reg = <0x10218000 0x1000>;
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interrupts = <GIC_SPI 24 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cru HCLK_SDIO>, <&cru SCLK_SDIO>;
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clock-names = "biu", "ciu";
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dmas = <&dmac2 3>;
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dma-names = "rx-tx";
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fifo-depth = <256>;
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resets = <&cru SRST_SDIO>;
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reset-names = "reset";
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status = "disabled";
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};
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emmc: dwmmc@1021c000 {
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compatible = "rockchip,rk2928-dw-mshc";
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reg = <0x1021c000 0x1000>;
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interrupts = <GIC_SPI 25 IRQ_TYPE_LEVEL_HIGH>;
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clocks = <&cru HCLK_EMMC>, <&cru SCLK_EMMC>;
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clock-names = "biu", "ciu";
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dmas = <&dmac2 4>;
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dma-names = "rx-tx";
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fifo-depth = <256>;
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resets = <&cru SRST_EMMC>;
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reset-names = "reset";
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status = "disabled";
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};
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pmu: pmu@20004000 {
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compatible = "rockchip,rk3066-pmu", "syscon", "simple-mfd";
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reg = <0x20004000 0x100>;
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reboot-mode {
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compatible = "syscon-reboot-mode";
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offset = <0x40>;
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mode-normal = <BOOT_NORMAL>;
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mode-recovery = <BOOT_RECOVERY>;
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mode-bootloader = <BOOT_FASTBOOT>;
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mode-loader = <BOOT_BL_DOWNLOAD>;
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};
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};
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grf: grf@20008000 {
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compatible = "syscon";
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reg = <0x20008000 0x200>;
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};
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i2c0: i2c@2002d000 {
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compatible = "rockchip,rk3066-i2c";
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reg = <0x2002d000 0x1000>;
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interrupts = <GIC_SPI 40 IRQ_TYPE_LEVEL_HIGH>;
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#address-cells = <1>;
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#size-cells = <0>;
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rockchip,grf = <&grf>;
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clock-names = "i2c";
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clocks = <&cru PCLK_I2C0>;
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status = "disabled";
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};
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i2c1: i2c@2002f000 {
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compatible = "rockchip,rk3066-i2c";
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reg = <0x2002f000 0x1000>;
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interrupts = <GIC_SPI 41 IRQ_TYPE_LEVEL_HIGH>;
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#address-cells = <1>;
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#size-cells = <0>;
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rockchip,grf = <&grf>;
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clocks = <&cru PCLK_I2C1>;
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clock-names = "i2c";
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status = "disabled";
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};
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pwm0: pwm@20030000 {
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compatible = "rockchip,rk2928-pwm";
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reg = <0x20030000 0x10>;
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#pwm-cells = <2>;
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clocks = <&cru PCLK_PWM01>;
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status = "disabled";
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};
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pwm1: pwm@20030010 {
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compatible = "rockchip,rk2928-pwm";
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reg = <0x20030010 0x10>;
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#pwm-cells = <2>;
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clocks = <&cru PCLK_PWM01>;
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status = "disabled";
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};
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wdt: watchdog@2004c000 {
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compatible = "snps,dw-wdt";
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reg = <0x2004c000 0x100>;
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clocks = <&cru PCLK_WDT>;
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interrupts = <GIC_SPI 51 IRQ_TYPE_LEVEL_HIGH>;
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status = "disabled";
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};
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pwm2: pwm@20050020 {
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compatible = "rockchip,rk2928-pwm";
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reg = <0x20050020 0x10>;
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#pwm-cells = <2>;
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clocks = <&cru PCLK_PWM23>;
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status = "disabled";
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};
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pwm3: pwm@20050030 {
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compatible = "rockchip,rk2928-pwm";
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reg = <0x20050030 0x10>;
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#pwm-cells = <2>;
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clocks = <&cru PCLK_PWM23>;
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status = "disabled";
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};
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i2c2: i2c@20056000 {
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compatible = "rockchip,rk3066-i2c";
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reg = <0x20056000 0x1000>;
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interrupts = <GIC_SPI 42 IRQ_TYPE_LEVEL_HIGH>;
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#address-cells = <1>;
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#size-cells = <0>;
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rockchip,grf = <&grf>;
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clocks = <&cru PCLK_I2C2>;
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clock-names = "i2c";
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status = "disabled";
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};
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i2c3: i2c@2005a000 {
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compatible = "rockchip,rk3066-i2c";
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reg = <0x2005a000 0x1000>;
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interrupts = <GIC_SPI 43 IRQ_TYPE_LEVEL_HIGH>;
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#address-cells = <1>;
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#size-cells = <0>;
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rockchip,grf = <&grf>;
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clocks = <&cru PCLK_I2C3>;
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clock-names = "i2c";
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status = "disabled";
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};
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i2c4: i2c@2005e000 {
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compatible = "rockchip,rk3066-i2c";
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reg = <0x2005e000 0x1000>;
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interrupts = <GIC_SPI 52 IRQ_TYPE_LEVEL_HIGH>;
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#address-cells = <1>;
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#size-cells = <0>;
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rockchip,grf = <&grf>;
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clocks = <&cru PCLK_I2C4>;
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clock-names = "i2c";
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status = "disabled";
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};
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uart2: serial@20064000 {
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compatible = "snps,dw-apb-uart";
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reg = <0x20064000 0x400>;
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interrupts = <GIC_SPI 36 IRQ_TYPE_LEVEL_HIGH>;
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reg-shift = <2>;
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reg-io-width = <1>;
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clock-names = "baudclk", "apb_pclk";
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clocks = <&cru SCLK_UART2>, <&cru PCLK_UART2>;
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status = "disabled";
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};
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uart3: serial@20068000 {
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compatible = "snps,dw-apb-uart";
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reg = <0x20068000 0x400>;
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interrupts = <GIC_SPI 37 IRQ_TYPE_LEVEL_HIGH>;
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reg-shift = <2>;
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reg-io-width = <1>;
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clock-names = "baudclk", "apb_pclk";
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clocks = <&cru SCLK_UART3>, <&cru PCLK_UART3>;
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status = "disabled";
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};
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saradc: saradc@2006c000 {
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compatible = "rockchip,saradc";
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reg = <0x2006c000 0x100>;
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interrupts = <GIC_SPI 26 IRQ_TYPE_LEVEL_HIGH>;
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#io-channel-cells = <1>;
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clocks = <&cru SCLK_SARADC>, <&cru PCLK_SARADC>;
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clock-names = "saradc", "apb_pclk";
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resets = <&cru SRST_SARADC>;
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reset-names = "saradc-apb";
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status = "disabled";
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};
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spi0: spi@20070000 {
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compatible = "rockchip,rk3066-spi";
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clocks = <&cru SCLK_SPI0>, <&cru PCLK_SPI0>;
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clock-names = "spiclk", "apb_pclk";
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interrupts = <GIC_SPI 38 IRQ_TYPE_LEVEL_HIGH>;
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reg = <0x20070000 0x1000>;
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#address-cells = <1>;
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#size-cells = <0>;
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dmas = <&dmac2 10>, <&dmac2 11>;
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dma-names = "tx", "rx";
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status = "disabled";
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};
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spi1: spi@20074000 {
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compatible = "rockchip,rk3066-spi";
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clocks = <&cru SCLK_SPI1>, <&cru PCLK_SPI1>;
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clock-names = "spiclk", "apb_pclk";
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interrupts = <GIC_SPI 39 IRQ_TYPE_LEVEL_HIGH>;
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reg = <0x20074000 0x1000>;
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#address-cells = <1>;
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#size-cells = <0>;
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dmas = <&dmac2 12>, <&dmac2 13>;
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dma-names = "tx", "rx";
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status = "disabled";
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};
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};
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