15 files changed, 616 insertions, 70 deletions

diff --git a/arch/mips/netlogic/Kconfig b/arch/mips/netlogic/Kconfig
index 2447bf97d35a..852a4ee09954 100644
--- 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/common/smp.c b/arch/mips/netlogic/common/smp.c
index 4e35d9c453e2..6f8feb9efcff 100644
--- a/arch/mips/netlogic/common/smp.c
+++ b/arch/mips/netlogic/common/smp.c
@@ -106,9 +106,7 @@ void nlm_early_init_secondary(int cpu)
 {
 	change_c0_config(CONF_CM_CMASK, 0x3);
 #ifdef CONFIG_CPU_XLP
-	/* mmu init, once per core */
-	if (cpu % NLM_THREADS_PER_CORE == 0)
-		xlp_mmu_init();
+	xlp_mmu_init();
 #endif
 	write_c0_ebase(nlm_current_node()->ebase);
 }
diff --git a/arch/mips/netlogic/common/time.c b/arch/mips/netlogic/common/time.c
index 045a396c57ce..13391b8a6031 100644
--- a/arch/mips/netlogic/common/time.c
+++ b/arch/mips/netlogic/common/time.c
@@ -45,6 +45,7 @@
 #if defined(CONFIG_CPU_XLP)
 #include <asm/netlogic/xlp-hal/iomap.h>
 #include <asm/netlogic/xlp-hal/xlp.h>
+#include <asm/netlogic/xlp-hal/sys.h>
 #include <asm/netlogic/xlp-hal/pic.h>
 #elif defined(CONFIG_CPU_XLR)
 #include <asm/netlogic/xlr/iomap.h>
@@ -91,7 +92,7 @@ static void nlm_init_pic_timer(void)
 		csrc_pic.read	= nlm_get_pic_timer;
 	}
 	csrc_pic.rating = 1000;
-	clocksource_register_hz(&csrc_pic, PIC_CLK_HZ);
+	clocksource_register_hz(&csrc_pic, pic_timer_freq());
 }
 
 void __init plat_time_init(void)
diff --git a/arch/mips/netlogic/dts/Makefile b/arch/mips/netlogic/dts/Makefile
index aecb6fa9a9c3..0b9be5fd2e46 100644
--- 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_evp.dts b/arch/mips/netlogic/dts/xlp_evp.dts
index 06407033678e..89ad04808c02 100644
--- a/arch/mips/netlogic/dts/xlp_evp.dts
+++ b/arch/mips/netlogic/dts/xlp_evp.dts
@@ -9,19 +9,12 @@
 	#address-cells = <2>;
 	#size-cells = <2>;
 
-	memory {
-		device_type = "memory";
-		reg =  <0 0x00100000 0 0x0FF00000	// 255M at 1M
-			0 0x20000000 0 0xa0000000	// 2560M at 512M
-			0 0xe0000000 1 0x00000000>;
-	};
-
 	soc {
 		#address-cells = <2>;
 		#size-cells = <1>;
 		compatible = "simple-bus";
 		ranges = <0 0  0 0x18000000  0x04000000   // PCIe CFG
-			  1 0  0 0x16000000  0x01000000>; // GBU chipselects
+			  1 0  0 0x16000000  0x02000000>; // GBU chipselects
 
 		serial0: serial@30000 {
 			device_type = "serial";
diff --git a/arch/mips/netlogic/dts/xlp_fvp.dts b/arch/mips/netlogic/dts/xlp_fvp.dts
new file mode 100644
index 000000000000..63e62b7bd758
--- /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/dts/xlp_svp.dts b/arch/mips/netlogic/dts/xlp_svp.dts
index 9c5db102df53..1ebd00edaacc 100644
--- a/arch/mips/netlogic/dts/xlp_svp.dts
+++ b/arch/mips/netlogic/dts/xlp_svp.dts
@@ -9,19 +9,12 @@
 	#address-cells = <2>;
 	#size-cells = <2>;
 
-	memory {
-		device_type = "memory";
-		reg =  <0 0x00100000 0 0x0FF00000	// 255M at 1M
-			0 0x20000000 0 0xa0000000	// 2560M at 512M
-			0 0xe0000000 0 0x40000000>;
-	};
-
 	soc {
 		#address-cells = <2>;
 		#size-cells = <1>;
 		compatible = "simple-bus";
 		ranges = <0 0  0 0x18000000  0x04000000   // PCIe CFG
-			  1 0  0 0x16000000  0x01000000>; // GBU chipselects
+			  1 0  0 0x16000000  0x02000000>; // GBU chipselects
 
 		serial0: serial@30000 {
 			device_type = "serial";
diff --git a/arch/mips/netlogic/xlp/Makefile b/arch/mips/netlogic/xlp/Makefile
index 85ac4a892ced..ed9a93c04650 100644
--- a/arch/mips/netlogic/xlp/Makefile
+++ b/arch/mips/netlogic/xlp/Makefile
@@ -1,3 +1,4 @@
 obj-y				+= setup.o nlm_hal.o cop2-ex.o dt.o
 obj-$(CONFIG_SMP)		+= wakeup.o
 obj-$(CONFIG_USB)		+= usb-init.o
+obj-$(CONFIG_USB)		+= usb-init-xlp2.o
diff --git a/arch/mips/netlogic/xlp/dt.c b/arch/mips/netlogic/xlp/dt.c
index a15cdbb8d0bd..88df445dda76 100644
--- 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;
diff --git a/arch/mips/netlogic/xlp/nlm_hal.c b/arch/mips/netlogic/xlp/nlm_hal.c
index 87560e4db35f..56c50ba43c9b 100644
--- a/arch/mips/netlogic/xlp/nlm_hal.c
+++ b/arch/mips/netlogic/xlp/nlm_hal.c
@@ -44,6 +44,7 @@
 #include <asm/netlogic/haldefs.h>
 #include <asm/netlogic/xlp-hal/iomap.h>
 #include <asm/netlogic/xlp-hal/xlp.h>
+#include <asm/netlogic/xlp-hal/bridge.h>
 #include <asm/netlogic/xlp-hal/pic.h>
 #include <asm/netlogic/xlp-hal/sys.h>
 
@@ -64,6 +65,7 @@ int nlm_irq_to_irt(int irq)
 	uint64_t pcibase;
 	int devoff, irt;
 
+	devoff = 0;
 	switch (irq) {
 	case PIC_UART_0_IRQ:
 		devoff = XLP_IO_UART0_OFFSET(0);
@@ -71,44 +73,68 @@ int nlm_irq_to_irt(int irq)
 	case PIC_UART_1_IRQ:
 		devoff = XLP_IO_UART1_OFFSET(0);
 		break;
-	case PIC_EHCI_0_IRQ:
-		devoff = XLP_IO_USB_EHCI0_OFFSET(0);
-		break;
-	case PIC_EHCI_1_IRQ:
-		devoff = XLP_IO_USB_EHCI1_OFFSET(0);
-		break;
-	case PIC_OHCI_0_IRQ:
-		devoff = XLP_IO_USB_OHCI0_OFFSET(0);
-		break;
-	case PIC_OHCI_1_IRQ:
-		devoff = XLP_IO_USB_OHCI1_OFFSET(0);
-		break;
-	case PIC_OHCI_2_IRQ:
-		devoff = XLP_IO_USB_OHCI2_OFFSET(0);
-		break;
-	case PIC_OHCI_3_IRQ:
-		devoff = XLP_IO_USB_OHCI3_OFFSET(0);
-		break;
 	case PIC_MMC_IRQ:
 		devoff = XLP_IO_SD_OFFSET(0);
 		break;
-	case PIC_I2C_0_IRQ:
-		devoff = XLP_IO_I2C0_OFFSET(0);
-		break;
+	case PIC_I2C_0_IRQ:	/* I2C will be fixed up */
 	case PIC_I2C_1_IRQ:
-		devoff = XLP_IO_I2C1_OFFSET(0);
+	case PIC_I2C_2_IRQ:
+	case PIC_I2C_3_IRQ:
+		if (cpu_is_xlpii())
+			devoff = XLP2XX_IO_I2C_OFFSET(0);
+		else
+			devoff = XLP_IO_I2C0_OFFSET(0);
 		break;
 	default:
-		devoff = 0;
-		break;
+		if (cpu_is_xlpii()) {
+			switch (irq) {
+				/* XLP2XX has three XHCI USB controller */
+			case PIC_2XX_XHCI_0_IRQ:
+				devoff = XLP2XX_IO_USB_XHCI0_OFFSET(0);
+				break;
+			case PIC_2XX_XHCI_1_IRQ:
+				devoff = XLP2XX_IO_USB_XHCI1_OFFSET(0);
+				break;
+			case PIC_2XX_XHCI_2_IRQ:
+				devoff = XLP2XX_IO_USB_XHCI2_OFFSET(0);
+				break;
+			}
+		} else {
+			switch (irq) {
+			case PIC_EHCI_0_IRQ:
+				devoff = XLP_IO_USB_EHCI0_OFFSET(0);
+				break;
+			case PIC_EHCI_1_IRQ:
+				devoff = XLP_IO_USB_EHCI1_OFFSET(0);
+				break;
+			case PIC_OHCI_0_IRQ:
+				devoff = XLP_IO_USB_OHCI0_OFFSET(0);
+				break;
+			case PIC_OHCI_1_IRQ:
+				devoff = XLP_IO_USB_OHCI1_OFFSET(0);
+				break;
+			case PIC_OHCI_2_IRQ:
+				devoff = XLP_IO_USB_OHCI2_OFFSET(0);
+				break;
+			case PIC_OHCI_3_IRQ:
+				devoff = XLP_IO_USB_OHCI3_OFFSET(0);
+				break;
+			}
+		}
 	}
 
 	if (devoff != 0) {
 		pcibase = nlm_pcicfg_base(devoff);
 		irt = nlm_read_reg(pcibase, XLP_PCI_IRTINFO_REG) & 0xffff;
-		/* HW bug, I2C 1 irt entry is off by one */
-		if (irq == PIC_I2C_1_IRQ)
-			irt = irt + 1;
+		/* HW weirdness, I2C IRT entry has to be fixed up */
+		switch (irq) {
+		case PIC_I2C_1_IRQ:
+			irt = irt + 1; break;
+		case PIC_I2C_2_IRQ:
+			irt = irt + 2; break;
+		case PIC_I2C_3_IRQ:
+			irt = irt + 3; break;
+		}
 	} else if (irq >= PIC_PCIE_LINK_0_IRQ && irq <= PIC_PCIE_LINK_3_IRQ) {
 		/* HW bug, PCI IRT entries are bad on early silicon, fix */
 		irt = PIC_IRT_PCIE_LINK_INDEX(irq - PIC_PCIE_LINK_0_IRQ);
@@ -126,19 +152,160 @@ unsigned int nlm_get_core_frequency(int node, int core)
 
 	sysbase = nlm_get_node(node)->sysbase;
 	rstval = nlm_read_sys_reg(sysbase, SYS_POWER_ON_RESET_CFG);
-	dfsval = nlm_read_sys_reg(sysbase, SYS_CORE_DFS_DIV_VALUE);
-	pll_divf = ((rstval >> 10) & 0x7f) + 1;
-	pll_divr = ((rstval >> 8)  & 0x3) + 1;
-	ext_div	 = ((rstval >> 30) & 0x3) + 1;
-	dfs_div	 = ((dfsval >> (core * 4)) & 0xf) + 1;
-
-	num = 800000000ULL * pll_divf;
-	denom = 3 * pll_divr * ext_div * dfs_div;
+	if (cpu_is_xlpii()) {
+		num = 1000000ULL * (400 * 3 + 100 * (rstval >> 26));
+		denom = 3;
+	} else {
+		dfsval = nlm_read_sys_reg(sysbase, SYS_CORE_DFS_DIV_VALUE);
+		pll_divf = ((rstval >> 10) & 0x7f) + 1;
+		pll_divr = ((rstval >> 8)  & 0x3) + 1;
+		ext_div  = ((rstval >> 30) & 0x3) + 1;
+		dfs_div  = ((dfsval >> (core * 4)) & 0xf) + 1;
+
+		num = 800000000ULL * pll_divf;
+		denom = 3 * pll_divr * ext_div * dfs_div;
+	}
 	do_div(num, denom);
 	return (unsigned int)num;
 }
 
+/* Calculate Frequency to the PIC from PLL.
+ * freq_out = ( ref_freq/2 * (6 + ctrl2[7:0]) + ctrl2[20:8]/2^13 ) /
+ * ((2^ctrl0[7:5]) * Table(ctrl0[26:24]))
+ */
+static unsigned int nlm_2xx_get_pic_frequency(int node)
+{
+	u32 ctrl_val0, ctrl_val2, vco_post_div, pll_post_div;
+	u32 mdiv, fdiv, pll_out_freq_den, reg_select, ref_div, pic_div;
+	u64 ref_clk, sysbase, pll_out_freq_num, ref_clk_select;
+
+	sysbase = nlm_get_node(node)->sysbase;
+
+	/* Find ref_clk_base */
+	ref_clk_select =
+		(nlm_read_sys_reg(sysbase, SYS_POWER_ON_RESET_CFG) >> 18) & 0x3;
+	switch (ref_clk_select) {
+	case 0:
+		ref_clk = 200000000ULL;
+		ref_div = 3;
+		break;
+	case 1:
+		ref_clk = 100000000ULL;
+		ref_div = 1;
+		break;
+	case 2:
+		ref_clk = 125000000ULL;
+		ref_div = 1;
+		break;
+	case 3:
+		ref_clk = 400000000ULL;
+		ref_div = 3;
+		break;
+	}
+
+	/* Find the clock source PLL device for PIC */
+	reg_select = (nlm_read_sys_reg(sysbase, SYS_CLK_DEV_SEL) >> 22) & 0x3;
+	switch (reg_select) {
+	case 0:
+		ctrl_val0 = nlm_read_sys_reg(sysbase, SYS_PLL_CTRL0);
+		ctrl_val2 = nlm_read_sys_reg(sysbase, SYS_PLL_CTRL2);
+		break;
+	case 1:
+		ctrl_val0 = nlm_read_sys_reg(sysbase, SYS_PLL_CTRL0_DEVX(0));
+		ctrl_val2 = nlm_read_sys_reg(sysbase, SYS_PLL_CTRL2_DEVX(0));
+		break;
+	case 2:
+		ctrl_val0 = nlm_read_sys_reg(sysbase, SYS_PLL_CTRL0_DEVX(1));
+		ctrl_val2 = nlm_read_sys_reg(sysbase, SYS_PLL_CTRL2_DEVX(1));
+		break;
+	case 3:
+		ctrl_val0 = nlm_read_sys_reg(sysbase, SYS_PLL_CTRL0_DEVX(2));
+		ctrl_val2 = nlm_read_sys_reg(sysbase, SYS_PLL_CTRL2_DEVX(2));
+		break;
+	}
+
+	vco_post_div = (ctrl_val0 >> 5) & 0x7;
+	pll_post_div = (ctrl_val0 >> 24) & 0x7;
+	mdiv = ctrl_val2 & 0xff;
+	fdiv = (ctrl_val2 >> 8) & 0xfff;
+
+	/* Find PLL post divider value */
+	switch (pll_post_div) {
+	case 1:
+		pll_post_div = 2;
+		break;
+	case 3:
+		pll_post_div = 4;
+		break;
+	case 7:
+		pll_post_div = 8;
+		break;
+	case 6:
+		pll_post_div = 16;
+		break;
+	case 0:
+	default:
+		pll_post_div = 1;
+		break;
+	}
+
+	fdiv = fdiv/(1 << 13);
+	pll_out_freq_num = ((ref_clk >> 1) * (6 + mdiv)) + fdiv;
+	pll_out_freq_den = (1 << vco_post_div) * pll_post_div * 3;
+
+	if (pll_out_freq_den > 0)
+		do_div(pll_out_freq_num, pll_out_freq_den);
+
+	/* PIC post divider, which happens after PLL */
+	pic_div = (nlm_read_sys_reg(sysbase, SYS_CLK_DEV_DIV) >> 22) & 0x3;
+	do_div(pll_out_freq_num, 1 << pic_div);
+
+	return pll_out_freq_num;
+}
+
+unsigned int nlm_get_pic_frequency(int node)
+{
+	if (cpu_is_xlpii())
+		return nlm_2xx_get_pic_frequency(node);
+	else
+		return 133333333;
+}
+
 unsigned int nlm_get_cpu_frequency(void)
 {
 	return nlm_get_core_frequency(0, 0);
 }
+
+/*
+ * Fills upto 8 pairs of entries containing the DRAM map of a node
+ * if n < 0, get dram map for all nodes
+ */
+int xlp_get_dram_map(int n, uint64_t *dram_map)
+{
+	uint64_t bridgebase, base, lim;
+	uint32_t val;
+	int i, node, rv;
+
+	/* Look only at mapping on Node 0, we don't handle crazy configs */
+	bridgebase = nlm_get_bridge_regbase(0);
+	rv = 0;
+	for (i = 0; i < 8; i++) {
+		val = nlm_read_bridge_reg(bridgebase,
+					BRIDGE_DRAM_NODE_TRANSLN(i));
+		node = (val >> 1) & 0x3;
+		if (n >= 0 && n != node)
+			continue;
+		val = nlm_read_bridge_reg(bridgebase, BRIDGE_DRAM_BAR(i));
+		val = (val >>  12) & 0xfffff;
+		base = (uint64_t) val << 20;
+		val = nlm_read_bridge_reg(bridgebase, BRIDGE_DRAM_LIMIT(i));
+		val = (val >>  12) & 0xfffff;
+		if (val == 0)   /* BAR not used */
+			continue;
+		lim = ((uint64_t)val + 1) << 20;
+		dram_map[rv] = base;
+		dram_map[rv + 1] = lim;
+		rv += 2;
+	}
+	return rv;
+}
diff --git a/arch/mips/netlogic/xlp/setup.c b/arch/mips/netlogic/xlp/setup.c
index 7b638f7be491..76a7131e486e 100644
--- a/arch/mips/netlogic/xlp/setup.c
+++ b/arch/mips/netlogic/xlp/setup.c
@@ -73,6 +73,23 @@ static void nlm_fixup_mem(void)
 	}
 }
 
+static void __init xlp_init_mem_from_bars(void)
+{
+	uint64_t map[16];
+	int i, n;
+
+	n = xlp_get_dram_map(-1, map);	/* -1: info for all nodes */
+	for (i = 0; i < n; i += 2) {
+		/* exclude 0x1000_0000-0x2000_0000, u-boot device */
+		if (map[i] <= 0x10000000 && map[i+1] > 0x10000000)
+			map[i+1] = 0x10000000;
+		if (map[i] > 0x10000000 && map[i] < 0x20000000)
+			map[i] = 0x20000000;
+
+		add_memory_region(map[i], map[i+1] - map[i], BOOT_MEM_RAM);
+	}
+}
+
 void __init plat_mem_setup(void)
 {
 	panic_timeout	= 5;
@@ -82,12 +99,23 @@ void __init plat_mem_setup(void)
 
 	/* memory and bootargs from DT */
 	early_init_devtree(initial_boot_params);
+
+	if (boot_mem_map.nr_map == 0) {
+		pr_info("Using DRAM BARs for memory map.\n");
+		xlp_init_mem_from_bars();
+	}
+	/* Calculate and setup wired entries for mapped kernel */
 	nlm_fixup_mem();
 }
 
 const char *get_system_type(void)
 {
-	return "Netlogic XLP Series";
+	switch (read_c0_prid() & 0xff00) {
+	case PRID_IMP_NETLOGIC_XLP2XX:
+		return "Broadcom XLPII Series";
+	default:
+		return "Netlogic XLP Series";
+	}
 }
 
 void __init prom_free_prom_memory(void)
@@ -97,12 +125,20 @@ void __init prom_free_prom_memory(void)
 
 void xlp_mmu_init(void)
 {
-	/* enable extended TLB and Large Fixed TLB */
-	write_c0_config6(read_c0_config6() | 0x24);
-
-	/* set page mask of Fixed TLB in config7 */
-	write_c0_config7(PM_DEFAULT_MASK >>
-		(13 + (ffz(PM_DEFAULT_MASK >> 13) / 2)));
+	u32 conf4;
+
+	if (cpu_is_xlpii()) {
+		/* XLPII series has extended pagesize in config 4 */
+		conf4 = read_c0_config4() & ~0x1f00u;
+		write_c0_config4(conf4 | ((PAGE_SHIFT - 10) / 2 << 8));
+	} else {
+		/* enable extended TLB and Large Fixed TLB */
+		write_c0_config6(read_c0_config6() | 0x24);
+
+		/* set page mask of extended Fixed TLB in config7 */
+		write_c0_config7(PM_DEFAULT_MASK >>
+			(13 + (ffz(PM_DEFAULT_MASK >> 13) / 2)));
+	}
 }
 
 void nlm_percpu_init(int hwcpuid)
diff --git a/arch/mips/netlogic/xlp/usb-init-xlp2.c b/arch/mips/netlogic/xlp/usb-init-xlp2.c
new file mode 100644
index 000000000000..36e9c22afc46
--- /dev/null
+++ b/arch/mips/netlogic/xlp/usb-init-xlp2.c
@@ -0,0 +1,218 @@
+/*
+ * Copyright (c) 2003-2013 Broadcom Corporation
+ * All Rights Reserved
+ *
+ * This software is available to you under a choice of one of two
+ * licenses.  You may choose to be licensed under the terms of the GNU
+ * General Public License (GPL) Version 2, available from the file
+ * COPYING in the main directory of this source tree, or the Broadcom
+ * license below:
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY BROADCOM ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
+ * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
+ * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
+ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <linux/dma-mapping.h>
+#include <linux/kernel.h>
+#include <linux/delay.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/platform_device.h>
+#include <linux/irq.h>
+
+#include <asm/netlogic/common.h>
+#include <asm/netlogic/haldefs.h>
+#include <asm/netlogic/xlp-hal/iomap.h>
+#include <asm/netlogic/xlp-hal/xlp.h>
+
+#define XLPII_USB3_CTL_0		0xc0
+#define XLPII_VAUXRST			BIT(0)
+#define XLPII_VCCRST			BIT(1)
+#define XLPII_NUM2PORT			9
+#define XLPII_NUM3PORT			13
+#define XLPII_RTUNEREQ			BIT(20)
+#define XLPII_MS_CSYSREQ		BIT(21)
+#define XLPII_XS_CSYSREQ		BIT(22)
+#define XLPII_RETENABLEN		BIT(23)
+#define XLPII_TX2RX			BIT(24)
+#define XLPII_XHCIREV			BIT(25)
+#define XLPII_ECCDIS			BIT(26)
+
+#define XLPII_USB3_INT_REG		0xc2
+#define XLPII_USB3_INT_MASK		0xc3
+
+#define XLPII_USB_PHY_TEST		0xc6
+#define XLPII_PRESET			BIT(0)
+#define XLPII_ATERESET			BIT(1)
+#define XLPII_LOOPEN			BIT(2)
+#define XLPII_TESTPDHSP			BIT(3)
+#define XLPII_TESTPDSSP			BIT(4)
+#define XLPII_TESTBURNIN		BIT(5)
+
+#define XLPII_USB_PHY_LOS_LV		0xc9
+#define XLPII_LOSLEV			0
+#define XLPII_LOSBIAS			5
+#define XLPII_SQRXTX			8
+#define XLPII_TXBOOST			11
+#define XLPII_RSLKSEL			16
+#define XLPII_FSEL			20
+
+#define XLPII_USB_RFCLK_REG		0xcc
+#define XLPII_VVLD			30
+
+#define nlm_read_usb_reg(b, r)		nlm_read_reg(b, r)
+#define nlm_write_usb_reg(b, r, v)	nlm_write_reg(b, r, v)
+
+#define nlm_xlpii_get_usb_pcibase(node, inst)		\
+	nlm_pcicfg_base(XLP2XX_IO_USB_OFFSET(node, inst))
+#define nlm_xlpii_get_usb_regbase(node, inst)		\
+	(nlm_xlpii_get_usb_pcibase(node, inst) + XLP_IO_PCI_HDRSZ)
+
+static void xlpii_usb_ack(struct irq_data *data)
+{
+	u64 port_addr;
+
+	switch (data->irq) {
+	case PIC_2XX_XHCI_0_IRQ:
+		port_addr = nlm_xlpii_get_usb_regbase(0, 1);
+		break;
+	case PIC_2XX_XHCI_1_IRQ:
+		port_addr = nlm_xlpii_get_usb_regbase(0, 2);
+		break;
+	case PIC_2XX_XHCI_2_IRQ:
+		port_addr = nlm_xlpii_get_usb_regbase(0, 3);
+		break;
+	default:
+		pr_err("No matching USB irq!\n");
+		return;
+	}
+	nlm_write_usb_reg(port_addr, XLPII_USB3_INT_REG, 0xffffffff);
+}
+
+static void nlm_xlpii_usb_hw_reset(int node, int port)
+{
+	u64 port_addr, xhci_base, pci_base;
+	void __iomem *corebase;
+	u32 val;
+
+	port_addr = nlm_xlpii_get_usb_regbase(node, port);
+
+	/* Set frequency */
+	val = nlm_read_usb_reg(port_addr, XLPII_USB_PHY_LOS_LV);
+	val &= ~(0x3f << XLPII_FSEL);
+	val |= (0x27 << XLPII_FSEL);
+	nlm_write_usb_reg(port_addr, XLPII_USB_PHY_LOS_LV, val);
+
+	val = nlm_read_usb_reg(port_addr, XLPII_USB_RFCLK_REG);
+	val |= (1 << XLPII_VVLD);
+	nlm_write_usb_reg(port_addr, XLPII_USB_RFCLK_REG, val);
+
+	/* PHY reset */
+	val = nlm_read_usb_reg(port_addr, XLPII_USB_PHY_TEST);
+	val &= (XLPII_ATERESET | XLPII_LOOPEN | XLPII_TESTPDHSP
+		| XLPII_TESTPDSSP | XLPII_TESTBURNIN);
+	nlm_write_usb_reg(port_addr, XLPII_USB_PHY_TEST, val);
+
+	/* Setup control register */
+	val =  XLPII_VAUXRST | XLPII_VCCRST | (1 << XLPII_NUM2PORT)
+		| (1 << XLPII_NUM3PORT) | XLPII_MS_CSYSREQ | XLPII_XS_CSYSREQ
+		| XLPII_RETENABLEN | XLPII_XHCIREV;
+	nlm_write_usb_reg(port_addr, XLPII_USB3_CTL_0, val);
+
+	/* Enable interrupts */
+	nlm_write_usb_reg(port_addr, XLPII_USB3_INT_MASK, 0x00000001);
+
+	/* Clear all interrupts */
+	nlm_write_usb_reg(port_addr, XLPII_USB3_INT_REG, 0xffffffff);
+
+	udelay(2000);
+
+	/* XHCI configuration at PCI mem */
+	pci_base = nlm_xlpii_get_usb_pcibase(node, port);
+	xhci_base = nlm_read_usb_reg(pci_base, 0x4) & ~0xf;
+	corebase = ioremap(xhci_base, 0x10000);
+	if (!corebase)
+		return;
+
+	writel(0x240002, corebase + 0xc2c0);
+	/* GCTL 0xc110 */
+	val = readl(corebase + 0xc110);
+	val &= ~(0x3 << 12);
+	val |= (1 << 12);
+	writel(val, corebase + 0xc110);
+	udelay(100);
+
+	/* PHYCFG 0xc200 */
+	val = readl(corebase + 0xc200);
+	val &= ~(1 << 6);
+	writel(val, corebase + 0xc200);
+	udelay(100);
+
+	/* PIPECTL 0xc2c0 */
+	val = readl(corebase + 0xc2c0);
+	val &= ~(1 << 17);
+	writel(val, corebase + 0xc2c0);
+
+	iounmap(corebase);
+}
+
+static int __init nlm_platform_xlpii_usb_init(void)
+{
+	if (!cpu_is_xlpii())
+		return 0;
+
+	pr_info("Initializing 2XX USB Interface\n");
+	nlm_xlpii_usb_hw_reset(0, 1);
+	nlm_xlpii_usb_hw_reset(0, 2);
+	nlm_xlpii_usb_hw_reset(0, 3);
+	nlm_set_pic_extra_ack(0, PIC_2XX_XHCI_0_IRQ, xlpii_usb_ack);
+	nlm_set_pic_extra_ack(0, PIC_2XX_XHCI_1_IRQ, xlpii_usb_ack);
+	nlm_set_pic_extra_ack(0, PIC_2XX_XHCI_2_IRQ, xlpii_usb_ack);
+
+	return 0;
+}
+
+arch_initcall(nlm_platform_xlpii_usb_init);
+
+static u64 xlp_usb_dmamask = ~(u32)0;
+
+/* Fixup IRQ for USB devices on XLP the SoC PCIe bus */
+static void nlm_usb_fixup_final(struct pci_dev *dev)
+{
+	dev->dev.dma_mask		= &xlp_usb_dmamask;
+	dev->dev.coherent_dma_mask	= DMA_BIT_MASK(32);
+	switch (dev->devfn) {
+	case 0x21:
+		dev->irq = PIC_2XX_XHCI_0_IRQ;
+		break;
+	case 0x22:
+		dev->irq = PIC_2XX_XHCI_1_IRQ;
+		break;
+	case 0x23:
+		dev->irq = PIC_2XX_XHCI_2_IRQ;
+		break;
+	}
+}
+
+DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_NETLOGIC, PCI_DEVICE_ID_NLM_XHCI,
+		nlm_usb_fixup_final);
diff --git a/arch/mips/netlogic/xlp/usb-init.c b/arch/mips/netlogic/xlp/usb-init.c
index ef3897ef0dc7..f8117985f0f8 100644
--- a/arch/mips/netlogic/xlp/usb-init.c
+++ b/arch/mips/netlogic/xlp/usb-init.c
@@ -75,8 +75,7 @@ static void nlm_usb_intr_en(int node, int port)
 	port_addr = nlm_get_usb_regbase(node, port);
 	val = nlm_read_usb_reg(port_addr, USB_INT_EN);
 	val = USB_CTRL_INTERRUPT_EN  | USB_OHCI_INTERRUPT_EN |
-		USB_OHCI_INTERRUPT1_EN | USB_CTRL_INTERRUPT_EN	|
-		USB_OHCI_INTERRUPT_EN | USB_OHCI_INTERRUPT2_EN;
+		USB_OHCI_INTERRUPT1_EN | USB_OHCI_INTERRUPT2_EN;
 	nlm_write_usb_reg(port_addr, USB_INT_EN, val);
 }
 
@@ -100,6 +99,9 @@ static void nlm_usb_hw_reset(int node, int port)
 
 static int __init nlm_platform_usb_init(void)
 {
+	if (cpu_is_xlpii())
+		return 0;
+
 	pr_info("Initializing USB Interface\n");
 	nlm_usb_hw_reset(0, 0);
 	nlm_usb_hw_reset(0, 3);
diff --git a/arch/mips/netlogic/xlp/wakeup.c b/arch/mips/netlogic/xlp/wakeup.c
index 0cce37cbffef..682d5638dc01 100644
--- a/arch/mips/netlogic/xlp/wakeup.c
+++ b/arch/mips/netlogic/xlp/wakeup.c
@@ -58,10 +58,12 @@ static int xlp_wakeup_core(uint64_t sysbase, int node, int core)
 
 	coremask = (1 << core);
 
-	/* Enable CPU clock */
-	value = nlm_read_sys_reg(sysbase, SYS_CORE_DFS_DIS_CTRL);
-	value &= ~coremask;
-	nlm_write_sys_reg(sysbase, SYS_CORE_DFS_DIS_CTRL, value);
+	/* Enable CPU clock in case of 8xx/3xx */
+	if (!cpu_is_xlpii()) {
+		value = nlm_read_sys_reg(sysbase, SYS_CORE_DFS_DIS_CTRL);
+		value &= ~coremask;
+		nlm_write_sys_reg(sysbase, SYS_CORE_DFS_DIS_CTRL, value);
+	}
 
 	/* Remove CPU Reset */
 	value = nlm_read_sys_reg(sysbase, SYS_CPU_RESET);
diff --git a/arch/mips/netlogic/xlr/fmn-config.c b/arch/mips/netlogic/xlr/fmn-config.c
index ed3bf0e3f309..c7622c6e5f67 100644
--- a/arch/mips/netlogic/xlr/fmn-config.c
+++ b/arch/mips/netlogic/xlr/fmn-config.c
@@ -36,6 +36,7 @@
 #include <linux/irq.h>
 #include <linux/interrupt.h>
 
+#include <asm/cpu.h>
 #include <asm/mipsregs.h>
 #include <asm/netlogic/xlr/fmn.h>
 #include <asm/netlogic/xlr/xlr.h>
@@ -187,7 +188,7 @@ void xlr_board_info_setup(void)
 	int processor_id, num_core;
 
 	num_core = hweight32(nlm_current_node()->coremask);
-	processor_id = read_c0_prid() & 0xff00;
+	processor_id = read_c0_prid() & PRID_IMP_MASK;
 
 	setup_cpu_fmninfo(cpu, num_core);
 	switch (processor_id) {