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ARM: dts: Fix wrong GPMC size mappings for omaps 

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>
This commit is contained in:
Tony Lindgren 2014-10-29 17:16:47 -07:00
Родитель 9a894953a9
Коммит e2c5eb78a3
16 изменённых файлов: 31 добавлений и 33 удалений
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4
arch/arm/boot/dts/am335x-evm.dts
Просмотреть файл

@ -437,9 +437,9 @@
status = "okay";
pinctrl-names = "default";
pinctrl-0 = <&nandflash_pins_s0>;
ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */
ranges = <0 0 0x08000000 0x1000000>; /* CS0: 16MB for NAND */
nand@0,0 {
reg = <0 0 0>; /* CS0, offset 0 */
reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
ti,nand-ecc-opt = "bch8";
ti,elm-id = <&elm>;
nand-bus-width = <8>;

4
arch/arm/boot/dts/am335x-igep0033.dtsi
Просмотреть файл

@ -126,10 +126,10 @@
pinctrl-names = "default";
pinctrl-0 = <&nandflash_pins>;
ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */
ranges = <0 0 0x08000000 0x1000000>; /* CS0: 16MB for NAND */
nand@0,0 {
reg = <0 0 0>; /* CS0, offset 0 */
reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
nand-bus-width = <8>;
ti,nand-ecc-opt = "bch8";
gpmc,device-width = <1>;

4
arch/arm/boot/dts/am43x-epos-evm.dts
Просмотреть файл

@ -438,9 +438,9 @@
status = "okay"; /* Disable QSPI when enabling GPMC (NAND) */
pinctrl-names = "default";
pinctrl-0 = <&nand_flash_x8>;
ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */
ranges = <0 0 0x08000000 0x1000000>; /* CS0: 16MB for NAND */
nand@0,0 {
reg = <0 0 0>; /* CS0, offset 0 */
reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
ti,nand-ecc-opt = "bch16";
ti,elm-id = <&elm>;
nand-bus-width = <8>;

4
arch/arm/boot/dts/omap-zoom-common.dtsi
Просмотреть файл

@ -5,7 +5,7 @@
#include "omap-gpmc-smsc911x.dtsi"
&gpmc {
ranges = <3 0 0x10000000 0x00000400>,
ranges = <3 0 0x10000000 0x1000000>, /* CS3: 16MB for UART */
<7 0 0x2c000000 0x01000000>;
/*
@ -15,7 +15,7 @@
*/
uart@3,0 {
compatible = "ns16550a";
reg = <3 0 0x100>;
reg = <3 0 8>; /* CS3, offset 0, IO size 8 */
bank-width = <2>;
reg-shift = <1>;
reg-io-width = <1>;

4
arch/arm/boot/dts/omap2420-n8x0-common.dtsi
Просмотреть файл

@ -40,14 +40,14 @@
};
&gpmc {
ranges = <0 0 0x04000000 0x10000000>;
ranges = <0 0 0x04000000 0x1000000>; /* CS0: 16MB for OneNAND */
/* gpio-irq for dma: 26 */
onenand@0,0 {
#address-cells = <1>;
#size-cells = <1>;
reg = <0 0 0x10000000>;
reg = <0 0 0x20000>; /* CS0, offset 0, IO size 128K */
gpmc,sync-read;
gpmc,burst-length = <16>;

4
arch/arm/boot/dts/omap3-devkit8000.dts
Просмотреть файл

@ -106,10 +106,10 @@
};
&gpmc {
ranges = <0 0 0x30000000 0x04>; /* CS0: NAND */
ranges = <0 0 0x30000000 0x1000000>; /* CS0: 16MB for NAND */
nand@0,0 {
reg = <0 0 0>; /* CS0, offset 0 */
reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
nand-bus-width = <16>;
gpmc,sync-clk-ps = <0>;

4
arch/arm/boot/dts/omap3-evm-37xx.dts
Просмотреть файл

@ -154,12 +154,12 @@
};
&gpmc {
ranges = <0 0 0x00000000 0x20000000>,
ranges = <0 0 0x00000000 0x1000000>, /* CS0: 16MB for NAND */
<5 0 0x2c000000 0x01000000>;
nand@0,0 {
linux,mtd-name= "hynix,h8kds0un0mer-4em";
reg = <0 0 0>;
reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
nand-bus-width = <16>;
ti,nand-ecc-opt = "bch8";

4
arch/arm/boot/dts/omap3-gta04.dtsi
Просмотреть файл

@ -397,10 +397,10 @@
};
&gpmc {
ranges = <0 0 0x30000000 0x04>; /* CS0: NAND */
ranges = <0 0 0x30000000 0x1000000>; /* CS0: 16MB for NAND */
nand@0,0 {
reg = <0 0 0>; /* CS0, offset 0 */
reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
nand-bus-width = <16>;
ti,nand-ecc-opt = "bch8";

4
arch/arm/boot/dts/omap3-igep0020.dts
Просмотреть файл

@ -197,12 +197,12 @@
};
&gpmc {
ranges = <0 0 0x00000000 0x20000000>,
ranges = <0 0 0x00000000 0x1000000>, /* CS0: 16MB for NAND */
<5 0 0x2c000000 0x01000000>;
nand@0,0 {
linux,mtd-name= "micron,mt29c4g96maz";
reg = <0 0 0>;
reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
nand-bus-width = <16>;
ti,nand-ecc-opt = "bch8";

4
arch/arm/boot/dts/omap3-igep0030.dts
Просмотреть файл

@ -55,11 +55,11 @@
};
&gpmc {
ranges = <0 0 0x00000000 0x20000000>;
ranges = <0 0 0x00000000 0x1000000>; /* CS0: 16MB for NAND */
nand@0,0 {
linux,mtd-name= "micron,mt29c4g96maz";
reg = <0 0 0>;
reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
nand-bus-width = <16>;
ti,nand-ecc-opt = "bch8";

2
arch/arm/boot/dts/omap3-ldp.dts
Просмотреть файл

@ -101,7 +101,7 @@
nand@0,0 {
linux,mtd-name= "micron,nand";
reg = <0 0 0>;
reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
nand-bus-width = <16>;
ti,nand-ecc-opt = "bch8";

2
arch/arm/boot/dts/omap3-lilly-a83x.dtsi
Просмотреть файл

@ -363,7 +363,7 @@
<7 0 0x15000000 0x01000000>;
nand@0,0 {
reg = <0 0 0x1000000>;
reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
nand-bus-width = <16>;
ti,nand-ecc-opt = "bch8";
/* no elm on omap3 */

6
arch/arm/boot/dts/omap3-n900.dts
Просмотреть файл

@ -612,18 +612,16 @@
};
&gpmc {
ranges = <0 0 0x04000000 0x10000000>; /* 256MB */
ranges = <0 0 0x01000000 0x01000000>, /* 16 MB for OneNAND */
<1 0 0x02000000 0x01000000>; /* 16 MB for smc91c96 */
pinctrl-names = "default";
pinctrl-0 = <&gpmc_pins>;
/* gpio-irq for dma: 65 */
/* sys_ndmareq1 could be used by the driver, not as gpio65 though */
onenand@0,0 {
#address-cells = <1>;
#size-cells = <1>;
reg = <0 0 0x10000000>;
reg = <0 0 0x20000>; /* CS0, offset 0, IO size 128K */
gpmc,sync-read;
gpmc,sync-write;

4
arch/arm/boot/dts/omap3-n950-n9.dtsi
Просмотреть файл

@ -115,12 +115,12 @@
};
&gpmc {
ranges = <0 0 0x04000000 0x20000000>;
ranges = <0 0 0x04000000 0x1000000>; /* CS0: 16MB for OneNAND */
onenand@0,0 {
#address-cells = <1>;
#size-cells = <1>;
reg = <0 0 0x20000000>;
reg = <0 0 0x20000>; /* CS0, offset 0, IO size 128K */
gpmc,sync-read;
gpmc,sync-write;

2
arch/arm/boot/dts/omap3-tao3530.dtsi
Просмотреть файл

@ -270,7 +270,7 @@
ranges = <0 0 0x00000000 0x01000000>;
nand@0,0 {
reg = <0 0 0>; /* CS0, offset 0 */
reg = <0 0 4>; /* CS0, offset 0, IO size 4 */
nand-bus-width = <16>;
gpmc,device-width = <2>; /* GPMC_DEVWIDTH_16BIT */
ti,nand-ecc-opt = "sw";

8
arch/arm/boot/dts/omap3430-sdp.dts
Просмотреть файл

@ -51,8 +51,8 @@
&gpmc {
ranges = <0 0 0x10000000 0x08000000>,
<1 0 0x28000000 0x08000000>,
<2 0 0x20000000 0x10000000>;
<1 0 0x28000000 0x1000000>, /* CS1: 16MB for NAND */
<2 0 0x20000000 0x1000000>; /* CS2: 16MB for OneNAND */
nor@0,0 {
compatible = "cfi-flash";
@ -106,7 +106,7 @@
linux,mtd-name= "micron,mt29f1g08abb";
#address-cells = <1>;
#size-cells = <1>;
reg = <1 0 0x08000000>;
reg = <1 0 4>; /* CS1, offset 0, IO size 4 */
ti,nand-ecc-opt = "sw";
nand-bus-width = <8>;
gpmc,cs-on-ns = <0>;
@ -150,7 +150,7 @@
linux,mtd-name= "samsung,kfm2g16q2m-deb8";
#address-cells = <1>;
#size-cells = <1>;
reg = <2 0 0x10000000>;
reg = <2 0 0x20000>; /* CS2, offset 0, IO size 4 */
gpmc,device-width = <2>;
gpmc,mux-add-data = <2>;