Enable the EBI and NAND flash controller. Define the pinctrl and partition table
Signed-off-by: Balamanikandan Gunasundar balamanikandan.gunasundar@microchip.com --- arch/arm/dts/sam9x60ek.dts | 103 +++++++++++++++++++++++++++++++++++++ 1 file changed, 103 insertions(+)
diff --git a/arch/arm/dts/sam9x60ek.dts b/arch/arm/dts/sam9x60ek.dts index 54c694bd78..6cb81dd90f 100644 --- a/arch/arm/dts/sam9x60ek.dts +++ b/arch/arm/dts/sam9x60ek.dts @@ -80,6 +80,44 @@ };
pinctrl { + nand { + pinctrl_nand_oe_we: nand-oe-we-0 { + atmel,pins = + <AT91_PIOD 0 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS) + AT91_PIOD 1 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>; + }; + + pinctrl_nand_rb: nand-rb-0 { + atmel,pins = + <AT91_PIOD 5 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>; + }; + + pinctrl_nand_cs: nand-cs-0 { + atmel,pins = + <AT91_PIOD 4 AT91_PERIPH_GPIO AT91_PINCTRL_PULL_UP>; + }; + }; + + ebi { + pinctrl_ebi_data_0_7: ebi-data-lsb-0 { + atmel,pins = + <AT91_PIOD 6 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS) + AT91_PIOD 7 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS) + AT91_PIOD 8 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS) + AT91_PIOD 9 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS) + AT91_PIOD 10 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS) + AT91_PIOD 11 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS) + AT91_PIOD 12 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS) + AT91_PIOD 13 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>; + }; + + pinctrl_ebi_addr_nand: ebi-addr-0 { + atmel,pins = + <AT91_PIOD 2 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS) + AT91_PIOD 3 AT91_PERIPH_A (AT91_PINCTRL_NONE | AT91_PINCTRL_SLEWRATE_DIS)>; + }; + }; + pinctrl_qspi: qspi { atmel,pins = <AT91_PIOB 19 AT91_PERIPH_A AT91_PINCTRL_NONE @@ -106,6 +144,71 @@ }; };
+&ebi { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_ebi_addr_nand &pinctrl_ebi_data_0_7>; + status = "okay"; + + nand_controller: nand-controller { + pinctrl-names = "default"; + pinctrl-0 = <&pinctrl_nand_oe_we &pinctrl_nand_cs &pinctrl_nand_rb>; + status = "okay"; + + nand@3 { + reg = <0x3 0x0 0x800000>; + rb-gpios = <&pioD 5 GPIO_ACTIVE_HIGH>; + cs-gpios = <&pioD 4 GPIO_ACTIVE_HIGH>; + nand-bus-width = <8>; + nand-ecc-mode = "hw"; + nand-ecc-strength = <8>; + nand-ecc-step-size = <512>; + nand-on-flash-bbt; + label = "atmel_nand"; + + partitions { + compatible = "fixed-partitions"; + #address-cells = <1>; + #size-cells = <1>; + + at91bootstrap@0 { + label = "at91bootstrap"; + reg = <0x0 0x40000>; + }; + + uboot@40000 { + label = "u-boot"; + reg = <0x40000 0xc0000>; + }; + + ubootenvred@100000 { + label = "U-Boot Env Redundant"; + reg = <0x100000 0x40000>; + }; + + ubootenv@140000 { + label = "U-Boot Env"; + reg = <0x140000 0x40000>; + }; + + dtb@180000 { + label = "device tree"; + reg = <0x180000 0x80000>; + }; + + kernel@200000 { + label = "kernel"; + reg = <0x200000 0x600000>; + }; + + rootfs@800000 { + label = "rootfs"; + reg = <0x800000 0x1f800000>; + }; + }; + }; + }; +}; + &macb0 { phy-mode = "rmii"; status = "okay";