MIPS: Netlogic: Built-in DTB for XLP2xx SoC boards

Add a default built-in device tree for XLP2xx SoC. The new file
xlp_fvp.dts has updated entries for I2C and memory.

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/5705/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/netlogic/Kconfig b/arch/mips/netlogic/Kconfig
index 2447bf9..852a4ee 100644 (file)
--- a/arch/mips/netlogic/Kconfig
+++ b/arch/mips/netlogic/Kconfig
@@ -19,6 +19,15 @@ config DT_XLP_SVP
          pointer to the kernel.  The corresponding DTS file is at
          arch/mips/netlogic/dts/xlp_svp.dts
 
+config DT_XLP_FVP
+       bool "Built-in device tree for XLP FVP boards"
+       default y
+       help
+         Add an FDT blob for XLP FVP 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_fvp.dts
+
 config NLM_MULTINODE
        bool "Support for multi-chip boards"
        depends on NLM_XLP_BOARD

diff --git a/arch/mips/netlogic/dts/Makefile b/arch/mips/netlogic/dts/Makefile
index aecb6fa..0b9be5f 100644 (file)
--- a/arch/mips/netlogic/dts/Makefile
+++ b/arch/mips/netlogic/dts/Makefile
@@ -1,2 +1,3 @@
 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

diff --git a/arch/mips/netlogic/dts/xlp_fvp.dts b/arch/mips/netlogic/dts/xlp_fvp.dts
new file mode 100644 (file)
index 0000000..63e62b7
--- /dev/null
+++ b/arch/mips/netlogic/dts/xlp_fvp.dts
@@ -0,0 +1,118 @@
+/*
+ * XLP2XX Device Tree Source for FVP boards
+ */
+
+/dts-v1/;
+/ {
+       model = "netlogic,XLP-FVP";
+       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 0x30100 0xa00>;
+                       reg-shift = <2>;
+                       reg-io-width = <4>;
+                       clock-frequency = <133333333>;
+                       interrupt-parent = <&pic>;
+                       interrupts = <17>;
+               };
+               serial1: serial@31000 {
+                       device_type = "serial";
+                       compatible = "ns16550";
+                       reg = <0 0x31100 0xa00>;
+                       reg-shift = <2>;
+                       reg-io-width = <4>;
+                       clock-frequency = <133333333>;
+                       interrupt-parent = <&pic>;
+                       interrupts = <18>;
+               };
+               i2c0: ocores@37100 {
+                       compatible = "opencores,i2c-ocores";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0 0x37100 0x20>;
+                       reg-shift = <2>;
+                       reg-io-width = <4>;
+                       clock-frequency = <32000000>;
+                       interrupt-parent = <&pic>;
+                       interrupts = <30>;
+               };
+               i2c1: ocores@37120 {
+                       compatible = "opencores,i2c-ocores";
+                       #address-cells = <1>;
+                       #size-cells = <0>;
+                       reg = <0 0x37120 0x20>;
+                       reg-shift = <2>;
+                       reg-io-width = <4>;
+                       clock-frequency = <32000000>;
+                       interrupt-parent = <&pic>;
+                       interrupts = <31>;
+
+                       rtc@68 {
+                               compatible = "dallas,ds1374";
+                               reg = <0x68>;
+                       };
+
+                       dtt@4c {
+                               compatible = "national,lm90";
+                               reg = <0x4c>;
+                       };
+               };
+               pic: pic@4000 {
+                       compatible = "netlogic,xlp-pic";
+                       #address-cells = <0>;
+                       #interrupt-cells = <1>;
+                       reg = <0 0x4000 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";
+       };
+};

diff --git a/arch/mips/netlogic/xlp/dt.c b/arch/mips/netlogic/xlp/dt.c
index a15cdbb..88df445 100644 (file)
--- a/arch/mips/netlogic/xlp/dt.c
+++ b/arch/mips/netlogic/xlp/dt.c
@@ -39,12 +39,18 @@
 #include <linux/of_platform.h>
 #include <linux/of_device.h>
 
-extern u32 __dtb_xlp_evp_begin[], __dtb_xlp_svp_begin[], __dtb_start[];
+extern u32 __dtb_xlp_evp_begin[], __dtb_xlp_svp_begin[],
+       __dtb_xlp_fvp_begin[], __dtb_start[];
 
 void __init *xlp_dt_init(void *fdtp)
 {
        if (!fdtp) {
                switch (current_cpu_data.processor_id & 0xff00) {
+#ifdef CONFIG_DT_XLP_FVP
+               case PRID_IMP_NETLOGIC_XLP2XX:
+                       fdtp = __dtb_xlp_fvp_begin;
+                       break;
+#endif
 #ifdef CONFIG_DT_XLP_SVP
                case PRID_IMP_NETLOGIC_XLP3XX:
                        fdtp = __dtb_xlp_svp_begin;