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Diffstat (limited to 'arch/arm/boot/dts/am43x-epos-evm.dts')
-rw-r--r--arch/arm/boot/dts/am43x-epos-evm.dts107
1 files changed, 107 insertions, 0 deletions
diff --git a/arch/arm/boot/dts/am43x-epos-evm.dts b/arch/arm/boot/dts/am43x-epos-evm.dts
index a7d0db10a4f4..a3a53ce84f16 100644
--- a/arch/arm/boot/dts/am43x-epos-evm.dts
+++ b/arch/arm/boot/dts/am43x-epos-evm.dts
@@ -81,6 +81,27 @@
>;
};
+ nand_flash_x8: nand_flash_x8 {
+ pinctrl-single,pins = <
+ 0x40 (PIN_OUTPUT_PULLDOWN | MUX_MODE7) /* gpmc_a0.SELQSPIorNAND/GPIO */
+ 0x0 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad0.gpmc_ad0 */
+ 0x4 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad1.gpmc_ad1 */
+ 0x8 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad2.gpmc_ad2 */
+ 0xc (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad3.gpmc_ad3 */
+ 0x10 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad4.gpmc_ad4 */
+ 0x14 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad5.gpmc_ad5 */
+ 0x18 (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad6.gpmc_ad6 */
+ 0x1c (PIN_INPUT_PULLDOWN | MUX_MODE0) /* gpmc_ad7.gpmc_ad7 */
+ 0x70 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_wait0.gpmc_wait0 */
+ 0x74 (PIN_OUTPUT_PULLUP | MUX_MODE7) /* gpmc_wpn.gpmc_wpn */
+ 0x7c (PIN_OUTPUT | MUX_MODE0) /* gpmc_csn0.gpmc_csn0 */
+ 0x90 (PIN_OUTPUT | MUX_MODE0) /* gpmc_advn_ale.gpmc_advn_ale */
+ 0x94 (PIN_OUTPUT | MUX_MODE0) /* gpmc_oen_ren.gpmc_oen_ren */
+ 0x98 (PIN_OUTPUT | MUX_MODE0) /* gpmc_wen.gpmc_wen */
+ 0x9c (PIN_OUTPUT | MUX_MODE0) /* gpmc_be0n_cle.gpmc_be0n_cle */
+ >;
+ };
+
ecap0_pins: backlight_pins {
pinctrl-single,pins = <
0x164 MUX_MODE0 /* eCAP0_in_PWM0_out.eCAP0_in_PWM0_out MODE0 */
@@ -230,6 +251,92 @@
status = "okay";
};
+&elm {
+ status = "okay";
+};
+
+&gpmc {
+ status = "okay";
+ pinctrl-names = "default";
+ pinctrl-0 = <&nand_flash_x8>;
+ ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */
+ nand@0,0 {
+ reg = <0 0 0>; /* CS0, offset 0 */
+ ti,nand-ecc-opt = "bch8";
+ ti,elm-id = <&elm>;
+ nand-bus-width = <8>;
+ gpmc,device-width = <1>;
+ gpmc,sync-clk-ps = <0>;
+ gpmc,cs-on-ns = <0>;
+ gpmc,cs-rd-off-ns = <40>; /* tCEA + tCHZ + 1 */
+ gpmc,cs-wr-off-ns = <40>;
+ gpmc,adv-on-ns = <0>; /* cs-on-ns */
+ gpmc,adv-rd-off-ns = <25>; /* min( tALH + tALS + 1) */
+ gpmc,adv-wr-off-ns = <25>; /* min( tALH + tALS + 1) */
+ gpmc,we-on-ns = <0>; /* cs-on-ns */
+ gpmc,we-off-ns = <20>; /* we-on-time + tWP + 2 */
+ gpmc,oe-on-ns = <3>; /* cs-on-ns + tRR + 2 */
+ gpmc,oe-off-ns = <30>; /* oe-on-ns + tRP + 2 */
+ gpmc,access-ns = <30>; /* tCEA + 4*/
+ gpmc,rd-cycle-ns = <40>;
+ gpmc,wr-cycle-ns = <40>;
+ gpmc,wait-on-read = "true";
+ gpmc,wait-on-write = "true";
+ gpmc,bus-turnaround-ns = <0>;
+ gpmc,cycle2cycle-delay-ns = <0>;
+ gpmc,clk-activation-ns = <0>;
+ gpmc,wait-monitoring-ns = <0>;
+ gpmc,wr-access-ns = <40>;
+ gpmc,wr-data-mux-bus-ns = <0>;
+ /* MTD partition table */
+ /* All SPL-* partitions are sized to minimal length
+ * which can be independently programmable. For
+ * NAND flash this is equal to size of erase-block */
+ #address-cells = <1>;
+ #size-cells = <1>;
+ partition@0 {
+ label = "NAND.SPL";
+ reg = <0x00000000 0x00040000>;
+ };
+ partition@1 {
+ label = "NAND.SPL.backup1";
+ reg = <0x00040000 0x00040000>;
+ };
+ partition@2 {
+ label = "NAND.SPL.backup2";
+ reg = <0x00080000 0x00040000>;
+ };
+ partition@3 {
+ label = "NAND.SPL.backup3";
+ reg = <0x000C0000 0x00040000>;
+ };
+ partition@4 {
+ label = "NAND.u-boot-spl-os";
+ reg = <0x00100000 0x00080000>;
+ };
+ partition@5 {
+ label = "NAND.u-boot";
+ reg = <0x00180000 0x00100000>;
+ };
+ partition@6 {
+ label = "NAND.u-boot-env";
+ reg = <0x00280000 0x00040000>;
+ };
+ partition@7 {
+ label = "NAND.u-boot-env.backup1";
+ reg = <0x002C0000 0x00040000>;
+ };
+ partition@8 {
+ label = "NAND.kernel";
+ reg = <0x00300000 0x00700000>;
+ };
+ partition@9 {
+ label = "NAND.file-system";
+ reg = <0x00800000 0x1F600000>;
+ };
+ };
+};
+
&epwmss0 {
status = "okay";
};