MIPS: Netlogic: Add default DTB for XLP9XX SoC

Add a default device tree fie for XLP9XX boards, and add code to use
this device tree if no DTB is passed to the kernel.

Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Signed-off-by: John Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/6287/
This commit is contained in:
Jayachandran C 2013-12-21 16:52:30 +05:30 committed by Ralf Baechle
parent 5fcbdf7cac
commit a17fca649c
4 changed files with 92 additions and 1 deletions

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@ -28,6 +28,15 @@ config DT_XLP_FVP
pointer to the kernel. The corresponding DTS file is at
arch/mips/netlogic/dts/xlp_fvp.dts
config DT_XLP_GVP
bool "Built-in device tree for XLP GVP boards"
default y
help
Add an FDT blob for XLP GVP board into the kernel.
This DTB will be used if the firmware does not pass in a DTB
pointer to the kernel. The corresponding DTS file is at
arch/mips/netlogic/dts/xlp_gvp.dts
config NLM_MULTINODE
bool "Support for multi-chip boards"
depends on NLM_XLP_BOARD

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@ -1,3 +1,4 @@
obj-$(CONFIG_DT_XLP_EVP) := xlp_evp.dtb.o
obj-$(CONFIG_DT_XLP_SVP) += xlp_svp.dtb.o
obj-$(CONFIG_DT_XLP_FVP) += xlp_fvp.dtb.o
obj-$(CONFIG_DT_XLP_GVP) += xlp_gvp.dtb.o

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@ -0,0 +1,76 @@
/*
* XLP9XX Device Tree Source for GVP boards
*/
/dts-v1/;
/ {
model = "netlogic,XLP-GVP";
compatible = "netlogic,xlp";
#address-cells = <2>;
#size-cells = <2>;
soc {
#address-cells = <2>;
#size-cells = <1>;
compatible = "simple-bus";
ranges = <0 0 0 0x18000000 0x04000000 // PCIe CFG
1 0 0 0x16000000 0x02000000>; // GBU chipselects
serial0: serial@30000 {
device_type = "serial";
compatible = "ns16550";
reg = <0 0x112100 0xa00>;
reg-shift = <2>;
reg-io-width = <4>;
clock-frequency = <125000000>;
interrupt-parent = <&pic>;
interrupts = <17>;
};
pic: pic@4000 {
interrupt-controller;
#address-cells = <0>;
#interrupt-cells = <1>;
reg = <0 0x110000 0x200>;
};
nor_flash@1,0 {
compatible = "cfi-flash";
#address-cells = <1>;
#size-cells = <1>;
bank-width = <2>;
reg = <1 0 0x1000000>;
partition@0 {
label = "x-loader";
reg = <0x0 0x100000>; /* 1M */
read-only;
};
partition@100000 {
label = "u-boot";
reg = <0x100000 0x100000>; /* 1M */
};
partition@200000 {
label = "kernel";
reg = <0x200000 0x500000>; /* 5M */
};
partition@700000 {
label = "rootfs";
reg = <0x700000 0x800000>; /* 8M */
};
partition@f00000 {
label = "env";
reg = <0xf00000 0x100000>; /* 1M */
read-only;
};
};
};
chosen {
bootargs = "console=ttyS0,115200 rdinit=/sbin/init";
};
};

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@ -42,13 +42,18 @@
#include <asm/prom.h>
extern u32 __dtb_xlp_evp_begin[], __dtb_xlp_svp_begin[],
__dtb_xlp_fvp_begin[], __dtb_start[];
__dtb_xlp_fvp_begin[], __dtb_xlp_gvp_begin[], __dtb_start[];
static void *xlp_fdt_blob;
void __init *xlp_dt_init(void *fdtp)
{
if (!fdtp) {
switch (current_cpu_data.processor_id & 0xff00) {
#ifdef CONFIG_DT_XLP_GVP
case PRID_IMP_NETLOGIC_XLP9XX:
fdtp = __dtb_xlp_gvp_begin;
break;
#endif
#ifdef CONFIG_DT_XLP_FVP
case PRID_IMP_NETLOGIC_XLP2XX:
fdtp = __dtb_xlp_fvp_begin;