mirror of
https://github.com/AuxXxilium/linux_dsm_epyc7002.git
synced 2024-11-27 04:20:51 +07:00
e2c5eb78a3
The GPMC binding is obviously very confusing as the values are all over the place. People seem to confuse the GPMC partition size for the chip select, and the device IO size within the GPMC partition easily. The ranges entry contains the GPMC partition size. And the reg entry contains the size of the IO registers of the device connected to the GPMC. Let's fix the issue according to the following table: Device GPMC partition size Device IO size connected in the ranges entry in the reg entry NAND 0x01000000 (16MB) 4 16550 0x01000000 (16MB) 8 smc91x 0x01000000 (16MB) 0xf smc911x 0x01000000 (16MB) 0xff OneNAND 0x01000000 (16MB) 0x20000 (128KB) 16MB NOR 0x01000000 (16MB) 0x01000000 (16MB) 32MB NOR 0x02000000 (32MB) 0x02000000 (32MB) 64MB NOR 0x04000000 (64MB) 0x04000000 (64MB) 128MB NOR 0x08000000 (128MB) 0x08000000 (128MB) 256MB NOR 0x10000000 (256MB) 0x10000000 (256MB) Let's also add comments to the fixed entries while at it. Acked-by: Roger Quadros <rogerq@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
189 lines
3.8 KiB
Plaintext
189 lines
3.8 KiB
Plaintext
/*
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* omap3-n950-n9.dtsi - Device Tree file for Nokia N950 & N9 (common stuff)
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*
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* Written by: Aaro Koskinen <aaro.koskinen@iki.fi>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include "omap36xx-hs.dtsi"
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/ {
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cpus {
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cpu@0 {
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cpu0-supply = <&vcc>;
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};
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};
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memory {
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device_type = "memory";
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reg = <0x80000000 0x40000000>; /* 1 GB */
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};
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vemmc: fixedregulator@0 {
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compatible = "regulator-fixed";
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regulator-name = "VEMMC";
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regulator-min-microvolt = <2900000>;
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regulator-max-microvolt = <2900000>;
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gpio = <&gpio5 29 0>; /* gpio line 157 */
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startup-delay-us = <150>;
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enable-active-high;
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};
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};
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&omap3_pmx_core {
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mmc2_pins: pinmux_mmc2_pins {
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pinctrl-single,pins = <
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0x128 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_clk */
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0x12a (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_cmd */
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0x12c (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat0 */
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0x12e (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat1 */
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0x130 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat2 */
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0x132 (PIN_INPUT_PULLUP | MUX_MODE0) /* sdmmc2_dat3 */
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>;
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};
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};
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&i2c1 {
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clock-frequency = <2900000>;
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twl: twl@48 {
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reg = <0x48>;
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interrupts = <7>; /* SYS_NIRQ cascaded to intc */
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interrupt-parent = <&intc>;
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};
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};
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/include/ "twl4030.dtsi"
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&twl {
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compatible = "ti,twl5031";
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};
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&twl_gpio {
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ti,pullups = <0x000001>; /* BIT(0) */
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ti,pulldowns = <0x008106>; /* BIT(1) | BIT(2) | BIT(8) | BIT(15) */
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};
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/* CSI-2 receiver */
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&vaux2 {
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regulator-name = "vaux2";
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regulator-min-microvolt = <1800000>;
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regulator-max-microvolt = <1800000>;
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};
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/* Cameras */
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&vaux3 {
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regulator-name = "vaux3";
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regulator-min-microvolt = <2800000>;
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regulator-max-microvolt = <2800000>;
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};
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&i2c2 {
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clock-frequency = <400000>;
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};
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&i2c3 {
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clock-frequency = <400000>;
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};
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&mmc1 {
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status = "disabled";
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};
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&mmc2 {
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pinctrl-names = "default";
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pinctrl-0 = <&mmc2_pins>;
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vmmc-supply = <&vemmc>;
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bus-width = <4>;
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ti,non-removable;
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};
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&mmc3 {
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status = "disabled";
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};
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&usb_otg_hs {
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interface-type = <0>;
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usb-phy = <&usb2_phy>;
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phys = <&usb2_phy>;
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phy-names = "usb2-phy";
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mode = <3>;
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power = <50>;
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};
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&gpmc {
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ranges = <0 0 0x04000000 0x1000000>; /* CS0: 16MB for OneNAND */
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onenand@0,0 {
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#address-cells = <1>;
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#size-cells = <1>;
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reg = <0 0 0x20000>; /* CS0, offset 0, IO size 128K */
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gpmc,sync-read;
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gpmc,sync-write;
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gpmc,burst-length = <16>;
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gpmc,burst-read;
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gpmc,burst-wrap;
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gpmc,burst-write;
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gpmc,device-width = <2>;
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gpmc,mux-add-data = <2>;
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gpmc,cs-on-ns = <0>;
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gpmc,cs-rd-off-ns = <87>;
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gpmc,cs-wr-off-ns = <87>;
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gpmc,adv-on-ns = <0>;
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gpmc,adv-rd-off-ns = <10>;
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gpmc,adv-wr-off-ns = <10>;
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gpmc,oe-on-ns = <15>;
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gpmc,oe-off-ns = <87>;
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gpmc,we-on-ns = <0>;
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gpmc,we-off-ns = <87>;
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gpmc,rd-cycle-ns = <112>;
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gpmc,wr-cycle-ns = <112>;
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gpmc,access-ns = <81>;
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gpmc,page-burst-access-ns = <15>;
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gpmc,bus-turnaround-ns = <0>;
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gpmc,cycle2cycle-delay-ns = <0>;
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gpmc,wait-monitoring-ns = <0>;
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gpmc,clk-activation-ns = <5>;
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gpmc,wr-data-mux-bus-ns = <30>;
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gpmc,wr-access-ns = <81>;
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gpmc,sync-clk-ps = <15000>;
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/*
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* MTD partition table corresponding to Nokia's MeeGo 1.2
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* Harmattan release.
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*/
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partition@0 {
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label = "bootloader";
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reg = <0x00000000 0x00100000>;
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};
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partition@1 {
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label = "config";
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reg = <0x00100000 0x002c0000>;
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};
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partition@2 {
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label = "kernel";
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reg = <0x003c0000 0x01000000>;
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};
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partition@3 {
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label = "log";
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reg = <0x013c0000 0x00200000>;
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};
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partition@4 {
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label = "var";
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reg = <0x015c0000 0x1ca40000>;
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};
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partition@5 {
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label = "moslo";
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reg = <0x1e000000 0x02000000>;
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};
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partition@6 {
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label = "omap2-onenand";
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reg = <0x00000000 0x20000000>;
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};
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};
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};
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