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arm: dts: k3-am62*: Add nodes for OSPI boot 

Add nodes for OSPI support and enable them in SPL.

Signed-off-by: Pratyush Yadav <p.yadav@ti.com>
This commit is contained in:
Pratyush Yadav 2022-04-19 16:14:48 +05:30 committed by Praneeth Bajjuri
parent 2743c767ff
commit 9604e0f29a
3 changed files with 114 additions and 0 deletions
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5
arch/arm/dts/k3-am625-r5-sk.dts
View File

@ -128,3 +128,8 @@
status = "okay";
u-boot,dm-spl;
};
&ospi0 {
reg = <0x00 0x0fc40000 0x00 0x100>,
<0x00 0x60000000 0x00 0x08000000>;
};

32
arch/arm/dts/k3-am625-sk-u-boot.dtsi
View File

@ -150,3 +150,35 @@
&cpsw_port2 {
status = "disabled";
};
&main_bcdma {
u-boot,dm-spl;
};
&main_pktdma {
u-boot,dm-spl;
};
&fss {
u-boot,dm-spl;
};
&ospi0_pins_default {
u-boot,dm-spl;
};
&ospi0 {
u-boot,dm-spl;
flash@0 {
u-boot,dm-spl;
partitions {
u-boot,dm-spl;
partition@3fc0000 {
u-boot,dm-spl;
};
};
};
};

77
arch/arm/dts/k3-am625-sk.dts
View File

@ -23,6 +23,7 @@
mmc2 = &sdhci2;
usb0 = &usb0;
usb1 = &usb1;
spi0 = &ospi0;
};
chosen {
@ -262,6 +263,22 @@
AM62X_IOPAD(0x0258, PIN_OUTPUT, 0) /* (F18) USB1_DRVVBUS */
>;
};
ospi0_pins_default: ospi0-pins-default {
pinctrl-single,pins = <
AM62X_IOPAD(0x000, PIN_OUTPUT, 0) /* (H24) OSPI0_CLK */
AM62X_IOPAD(0x02c, PIN_OUTPUT, 0) /* (F23) OSPI0_CSn0 */
AM62X_IOPAD(0x00c, PIN_INPUT, 0) /* (E25) OSPI0_D0 */
AM62X_IOPAD(0x010, PIN_INPUT, 0) /* (G24) OSPI0_D1 */
AM62X_IOPAD(0x014, PIN_INPUT, 0) /* (F25) OSPI0_D2 */
AM62X_IOPAD(0x018, PIN_INPUT, 0) /* (F24) OSPI0_D3 */
AM62X_IOPAD(0x01c, PIN_INPUT, 0) /* (J23) OSPI0_D4 */
AM62X_IOPAD(0x020, PIN_INPUT, 0) /* (J25) OSPI0_D5 */
AM62X_IOPAD(0x024, PIN_INPUT, 0) /* (H25) OSPI0_D6 */
AM62X_IOPAD(0x028, PIN_INPUT, 0) /* (J22) OSPI0_D7 */
AM62X_IOPAD(0x008, PIN_INPUT, 0) /* (J24) OSPI0_DQS */
>;
};
};
&wkup_uart0 {
@ -420,3 +437,63 @@
ti,mbox-tx = <1 0 0>;
};
};
&ospi0 {
pinctrl-names = "default";
pinctrl-0 = <&ospi0_pins_default>;
flash@0{
compatible = "jedec,spi-nor";
reg = <0x0>;
spi-tx-bus-width = <8>;
spi-rx-bus-width = <8>;
spi-max-frequency = <25000000>;
cdns,tshsl-ns = <60>;
cdns,tsd2d-ns = <60>;
cdns,tchsh-ns = <60>;
cdns,tslch-ns = <60>;
cdns,read-delay = <4>;
cdns,phy-mode;
partitions {
compatible = "fixed-partitions";
#address-cells = <1>;
#size-cells = <1>;
partition@0 {
label = "ospi.tiboot3";
reg = <0x0 0x80000>;
};
partition@80000 {
label = "ospi.tispl";
reg = <0x80000 0x200000>;
};
partition@280000 {
label = "ospi.u-boot";
reg = <0x280000 0x400000>;
};
partition@680000 {
label = "ospi.env";
reg = <0x680000 0x40000>;
};
partition@6c0000 {
label = "ospi.env.backup";
reg = <0x6c0000 0x40000>;
};
partition@800000 {
label = "ospi.rootfs";
reg = <0x800000 0x37c0000>;
};
partition@3fc0000 {
label = "ospi.phypattern";
reg = <0x3fc0000 0x40000>;
};
};
};
};