diff options
Diffstat (limited to 'arch/arm/boot/dts/armada-xp-db.dts')
| -rw-r--r-- | arch/arm/boot/dts/armada-xp-db.dts | 146 |
1 files changed, 75 insertions, 71 deletions
diff --git a/arch/arm/boot/dts/armada-xp-db.dts b/arch/arm/boot/dts/armada-xp-db.dts index e28e68ff864..42ddb286436 100644 --- a/arch/arm/boot/dts/armada-xp-db.dts +++ b/arch/arm/boot/dts/armada-xp-db.dts @@ -2,7 +2,7 @@ * Device Tree file for Marvell Armada XP evaluation board * (DB-78460-BP) * - * Copyright (C) 2012 Marvell + * Copyright (C) 2012-2014 Marvell * * Lior Amsalem <alior@marvell.com> * Gregory CLEMENT <gregory.clement@free-electrons.com> @@ -11,10 +11,19 @@ * This file is licensed under the terms of the GNU General Public * License version 2. This program is licensed "as is" without any * warranty of any kind, whether express or implied. + * + * Note: this Device Tree assumes that the bootloader has remapped the + * internal registers to 0xf1000000 (instead of the default + * 0xd0000000). The 0xf1000000 is the default used by the recent, + * DT-capable, U-Boot bootloaders provided by Marvell. Some earlier + * boards were delivered with an older version of the bootloader that + * left internal registers mapped at 0xd0000000. If you are in this + * situation, you should either update your bootloader (preferred + * solution) or the below Device Tree should be adjusted. */ /dts-v1/; -/include/ "armada-xp-mv78460.dtsi" +#include "armada-xp-mv78460.dtsi" / { model = "Marvell Armada XP Evaluation Board"; @@ -30,25 +39,82 @@ }; soc { - ranges = <0 0 0xd0000000 0x100000 /* Internal registers 1MiB */ - 0xe0000000 0 0xe0000000 0x8100000 /* PCIe */ - 0xf0000000 0 0xf0000000 0x1000000>; /* Device Bus, NOR 16MiB */ + ranges = <MBUS_ID(0xf0, 0x01) 0 0 0xf1000000 0x100000 + MBUS_ID(0x01, 0x1d) 0 0 0xfff00000 0x100000 + MBUS_ID(0x01, 0x2f) 0 0 0xf0000000 0x1000000>; + + devbus-bootcs { + status = "okay"; + + /* Device Bus parameters are required */ + + /* Read parameters */ + devbus,bus-width = <16>; + devbus,turn-off-ps = <60000>; + devbus,badr-skew-ps = <0>; + devbus,acc-first-ps = <124000>; + devbus,acc-next-ps = <248000>; + devbus,rd-setup-ps = <0>; + devbus,rd-hold-ps = <0>; + + /* Write parameters */ + devbus,sync-enable = <0>; + devbus,wr-high-ps = <60000>; + devbus,wr-low-ps = <60000>; + devbus,ale-wr-ps = <60000>; + + /* NOR 16 MiB */ + nor@0 { + compatible = "cfi-flash"; + reg = <0 0x1000000>; + bank-width = <2>; + }; + }; + + pcie-controller { + status = "okay"; + + /* + * All 6 slots are physically present as + * standard PCIe slots on the board. + */ + pcie@1,0 { + /* Port 0, Lane 0 */ + status = "okay"; + }; + pcie@2,0 { + /* Port 0, Lane 1 */ + status = "okay"; + }; + pcie@3,0 { + /* Port 0, Lane 2 */ + status = "okay"; + }; + pcie@4,0 { + /* Port 0, Lane 3 */ + status = "okay"; + }; + pcie@9,0 { + /* Port 2, Lane 0 */ + status = "okay"; + }; + pcie@10,0 { + /* Port 3, Lane 0 */ + status = "okay"; + }; + }; internal-regs { serial@12000 { - clock-frequency = <250000000>; status = "okay"; }; serial@12100 { - clock-frequency = <250000000>; status = "okay"; }; serial@12200 { - clock-frequency = <250000000>; status = "okay"; }; serial@12300 { - clock-frequency = <250000000>; status = "okay"; }; @@ -127,68 +193,6 @@ spi-max-frequency = <20000000>; }; }; - - pcie-controller { - status = "okay"; - - /* - * All 6 slots are physically present as - * standard PCIe slots on the board. - */ - pcie@1,0 { - /* Port 0, Lane 0 */ - status = "okay"; - }; - pcie@2,0 { - /* Port 0, Lane 1 */ - status = "okay"; - }; - pcie@3,0 { - /* Port 0, Lane 2 */ - status = "okay"; - }; - pcie@4,0 { - /* Port 0, Lane 3 */ - status = "okay"; - }; - pcie@9,0 { - /* Port 2, Lane 0 */ - status = "okay"; - }; - pcie@10,0 { - /* Port 3, Lane 0 */ - status = "okay"; - }; - }; - - devbus-bootcs@10400 { - status = "okay"; - ranges = <0 0xf0000000 0x1000000>; - - /* Device Bus parameters are required */ - - /* Read parameters */ - devbus,bus-width = <8>; - devbus,turn-off-ps = <60000>; - devbus,badr-skew-ps = <0>; - devbus,acc-first-ps = <124000>; - devbus,acc-next-ps = <248000>; - devbus,rd-setup-ps = <0>; - devbus,rd-hold-ps = <0>; - - /* Write parameters */ - devbus,sync-enable = <0>; - devbus,wr-high-ps = <60000>; - devbus,wr-low-ps = <60000>; - devbus,ale-wr-ps = <60000>; - - /* NOR 16 MiB */ - nor@0 { - compatible = "cfi-flash"; - reg = <0 0x1000000>; - bank-width = <2>; - }; - }; }; }; }; |