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MIPS: Netlogic: Add built-in dts for XLP5xx boards 

Signed-off-by: Ganesan Ramalingam <ganesanr@broadcom.com>
Signed-off-by: Jayachandran C <jchandra@broadcom.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/8896/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
hifive-unleashed-5.1
Ganesan Ramalingam 2015-01-07 16:58:38 +05:30 committed by Ralf Baechle
parent 065d7029a8
commit 94e37fc22a
4 changed files with 94 additions and 3 deletions
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1
arch/mips/boot/dts/netlogic/Makefile
View File

@ -2,6 +2,7 @@ dtb-$(CONFIG_DT_XLP_EVP) += xlp_evp.dtb
dtb-$(CONFIG_DT_XLP_SVP) += xlp_svp.dtb
dtb-$(CONFIG_DT_XLP_FVP) += xlp_fvp.dtb
dtb-$(CONFIG_DT_XLP_GVP) += xlp_gvp.dtb
dtb-$(CONFIG_DT_XLP_RVP) += xlp_rvp.dtb
obj-y += $(patsubst %.dtb, %.dtb.o, $(dtb-y))

77
arch/mips/boot/dts/netlogic/xlp_rvp.dts 100644
View File

@ -0,0 +1,77 @@
/*
* XLP5XX Device Tree Source for RVP boards
*/
/dts-v1/;
/ {
model = "netlogic,XLP-RVP";
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@110000 {
compatible = "netlogic,xlp-pic";
#address-cells = <0>;
#interrupt-cells = <1>;
reg = <0 0x110000 0x200>;
interrupt-controller;
};
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";
};
};

9
arch/mips/netlogic/Kconfig
View File

@ -41,6 +41,15 @@ config DT_XLP_GVP
pointer to the kernel. The corresponding DTS file is at
arch/mips/netlogic/dts/xlp_gvp.dts
config DT_XLP_RVP
bool "Built-in device tree for XLP RVP boards"
default y
help
Add an FDT blob for XLP RVP 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_rvp.dts
config NLM_MULTINODE
bool "Support for multi-chip boards"
depends on NLM_XLP_BOARD

10
arch/mips/netlogic/xlp/dt.c
View File

@ -41,17 +41,21 @@
#include <asm/prom.h>
extern u32 __dtb_xlp_evp_begin[], __dtb_xlp_svp_begin[],
__dtb_xlp_fvp_begin[], __dtb_xlp_gvp_begin[];
extern u32 __dtb_xlp_evp_begin[], __dtb_xlp_svp_begin[], __dtb_xlp_fvp_begin[],
__dtb_xlp_gvp_begin[], __dtb_xlp_rvp_begin[];
static void *xlp_fdt_blob;
void __init *xlp_dt_init(void *fdtp)
{
if (!fdtp) {
switch (current_cpu_data.processor_id & PRID_IMP_MASK) {
#ifdef CONFIG_DT_XLP_RVP
case PRID_IMP_NETLOGIC_XLP5XX:
fdtp = __dtb_xlp_rvp_begin;
break;
#endif
#ifdef CONFIG_DT_XLP_GVP
case PRID_IMP_NETLOGIC_XLP9XX:
case PRID_IMP_NETLOGIC_XLP5XX:
fdtp = __dtb_xlp_gvp_begin;
break;
#endif