From: Pekon Gupta <[email protected]> Add GPMC timing configurations and NAND partitions for the Beaglebone "NAND cape". Further information and datasheets of this cape can be found at: - http://beagleboardtoys.info/index.php?title=BeagleBone_Memory_Expansion - http://beagleboardtoys.info/index.php?title=BeagleBone_4Gb_16-Bit_NAND_Module
Signed-off-by: Pekon Gupta <[email protected]> Signed-off-by: Ezequiel Garcia <[email protected]> --- This patch is not really intended for inclusion. I'm just adding it to the series for reference and in case anyone wants to test. arch/arm/boot/dts/am335x-bone-common.dtsi | 28 ++++++++++++ arch/arm/boot/dts/am335x-bone.dts | 75 +++++++++++++++++++++++++++++++ arch/arm/boot/dts/am335x-boneblack.dts | 69 ++++++++++++++++++++++++++++ 3 files changed, 172 insertions(+) diff --git a/arch/arm/boot/dts/am335x-bone-common.dtsi b/arch/arm/boot/dts/am335x-bone-common.dtsi index 2f66ded..73dcc58 100644 --- a/arch/arm/boot/dts/am335x-bone-common.dtsi +++ b/arch/arm/boot/dts/am335x-bone-common.dtsi @@ -107,6 +107,34 @@ 0x14c (PIN_INPUT_PULLDOWN | MUX_MODE7) >; }; + + nandflash_pins_s0: nandflash_pins_s0 { + pinctrl-single,pins = < + 0x0 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad0.gpmc_ad0 */ + 0x4 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad1.gpmc_ad1 */ + 0x8 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad2.gpmc_ad2 */ + 0xc (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad3.gpmc_ad3 */ + 0x10 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad4.gpmc_ad4 */ + 0x14 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad5.gpmc_ad5 */ + 0x18 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad6.gpmc_ad6 */ + 0x1c (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad7.gpmc_ad7 */ + 0x20 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad8.gpmc_ad8 */ + 0x24 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad9.gpmc_ad9 */ + 0x28 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad10.gpmc_ad10 */ + 0x2c (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad11.gpmc_ad11 */ + 0x30 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad12.gpmc_ad12 */ + 0x34 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad13.gpmc_ad13 */ + 0x38 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad14.gpmc_ad14 */ + 0x3c (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_ad15.gpmc_ad15 */ + 0x70 (PIN_INPUT_PULLUP | MUX_MODE0) /* gpmc_wait0.gpmc_wait0 */ + 0x74 (PIN_INPUT_PULLUP | MUX_MODE7) /* gpmc_wpn.gpio0_30 */ + 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 */ + >; + }; }; ocp { diff --git a/arch/arm/boot/dts/am335x-bone.dts b/arch/arm/boot/dts/am335x-bone.dts index 7993c48..d9172c7 100644 --- a/arch/arm/boot/dts/am335x-bone.dts +++ b/arch/arm/boot/dts/am335x-bone.dts @@ -9,3 +9,78 @@ #include "am33xx.dtsi" #include "am335x-bone-common.dtsi" + +&elm { + status = "okay"; +}; + +&gpmc { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&nandflash_pins_s0>; + ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */ + nand@0,0 { + reg = <0 0 0>; /* CS0, offset 0 */ + nand-bus-width = <16>; + ti,nand-ecc-opt = "bch8"; + gpmc,device-width = <2>; + gpmc,sync-clk-ps = <0>; + gpmc,cs-on-ns = <0>; + gpmc,cs-rd-off-ns = <740>; + gpmc,cs-wr-off-ns = <740>; + gpmc,adv-on-ns = <0>; + gpmc,adv-rd-off-ns = <740>; + gpmc,adv-wr-off-ns = <740>; + gpmc,we-on-ns = <90>; + gpmc,we-off-ns = <600>; + gpmc,oe-on-ns = <150>; + gpmc,oe-off-ns = <650>; + gpmc,access-ns = <560>; + gpmc,rd-cycle-ns = <740>; + gpmc,wr-cycle-ns = <740>; + 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>; + #address-cells = <1>; + #size-cells = <1>; + ti,elm-id = <&elm>; + /* MTD partition table */ + partition@0 { + label = "SPL1"; + reg = <0x00000000 0x000020000>; + }; + partition@1 { + label = "SPL2"; + reg = <0x00020000 0x00020000>; + }; + partition@2 { + label = "SPL3"; + reg = <0x00040000 0x00020000>; + }; + partition@3 { + label = "SPL4"; + reg = <0x00060000 0x00020000>; + }; + partition@4 { + label = "U-boot"; + reg = <0x00080000 0x001e0000>; + }; + partition@5 { + label = "environment"; + reg = <0x00260000 0x00020000>; + }; + partition@6 { + label = "Kernel"; + reg = <0x00280000 0x00500000>; + }; + partition@7 { + label = "File-System"; + reg = <0x00780000 0x0F880000>; + }; + }; +}; diff --git a/arch/arm/boot/dts/am335x-boneblack.dts b/arch/arm/boot/dts/am335x-boneblack.dts index 197cadf..e30f58a 100644 --- a/arch/arm/boot/dts/am335x-boneblack.dts +++ b/arch/arm/boot/dts/am335x-boneblack.dts @@ -15,3 +15,72 @@ regulator-max-microvolt = <1800000>; regulator-always-on; }; + +&elm { + status = "okay"; +}; + +&gpmc { + status = "okay"; + pinctrl-names = "default"; + pinctrl-0 = <&nandflash_pins_s0>; + ranges = <0 0 0x08000000 0x10000000>; /* CS0: NAND */ + nand@0,0 { + reg = <0 0 0>; /* CS0, offset 0 */ + nand-bus-width = <16>; + ti,nand-ecc-opt = "bch8"; + + gpmc,device-width = <2>; + gpmc,sync-clk-ps = <0>; + gpmc,cs-on-ns = <0>; + gpmc,cs-rd-off-ns = <44>; + gpmc,cs-wr-off-ns = <44>; + gpmc,adv-on-ns = <6>; + gpmc,adv-rd-off-ns = <34>; + gpmc,adv-wr-off-ns = <44>; + gpmc,we-off-ns = <40>; + gpmc,oe-off-ns = <54>; + gpmc,access-ns = <64>; + gpmc,rd-cycle-ns = <82>; + gpmc,wr-cycle-ns = <82>; + gpmc,wr-access-ns = <40>; + gpmc,wr-data-mux-bus-ns = <0>; + + #address-cells = <1>; + #size-cells = <1>; + ti,elm-id = <&elm>; + /* MTD partition table */ + partition@0 { + label = "SPL1"; + reg = <0x00000000 0x000020000>; + }; + partition@1 { + label = "SPL2"; + reg = <0x00020000 0x00020000>; + }; + partition@2 { + label = "SPL3"; + reg = <0x00040000 0x00020000>; + }; + partition@3 { + label = "SPL4"; + reg = <0x00060000 0x00020000>; + }; + partition@4 { + label = "U-boot"; + reg = <0x00080000 0x001e0000>; + }; + partition@5 { + label = "environment"; + reg = <0x00260000 0x00020000>; + }; + partition@6 { + label = "Kernel"; + reg = <0x00280000 0x00500000>; + }; + partition@7 { + label = "File-System"; + reg = <0x00780000 0x0F880000>; + }; + }; +}; -- 1.8.1.5 -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
