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authorPete Popov2005-07-14 17:47:57 +0000
committerRalf Baechle2005-10-29 19:31:54 +0100
commitbdf21b18b4abf983db38f04ef7fec88f47389867 (patch)
treeb7e551f09f0ee39f4a59132be4c0890e1ba80d91 /include/asm-mips/mach-pnx8550
parente01402b115cccb6357f956649487aca2c6f7fbba (diff)
Philips PNX8550 support: MIPS32-like core with 2 Trimedias on it.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'include/asm-mips/mach-pnx8550')
-rw-r--r--include/asm-mips/mach-pnx8550/cm.h43
-rw-r--r--include/asm-mips/mach-pnx8550/glb.h86
-rw-r--r--include/asm-mips/mach-pnx8550/int.h140
-rw-r--r--include/asm-mips/mach-pnx8550/kernel-entry-init.h262
-rw-r--r--include/asm-mips/mach-pnx8550/nand.h121
-rw-r--r--include/asm-mips/mach-pnx8550/pci.h185
-rw-r--r--include/asm-mips/mach-pnx8550/uart.h16
-rw-r--r--include/asm-mips/mach-pnx8550/usb.h32
8 files changed, 885 insertions, 0 deletions
diff --git a/include/asm-mips/mach-pnx8550/cm.h b/include/asm-mips/mach-pnx8550/cm.h
new file mode 100644
index 000000000000..bb0a56c7d011
--- /dev/null
+++ b/include/asm-mips/mach-pnx8550/cm.h
@@ -0,0 +1,43 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ * Clock module specific definitions
+ *
+ * Author: source@mvista.com
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#ifndef __PNX8550_CM_H
+#define __PNX8550_CM_H
+
+#define PNX8550_CM_BASE 0xBBE47000
+
+#define PNX8550_CM_PLL0_CTL *(volatile unsigned long *)(PNX8550_CM_BASE + 0x000)
+#define PNX8550_CM_PLL1_CTL *(volatile unsigned long *)(PNX8550_CM_BASE + 0x004)
+#define PNX8550_CM_PLL2_CTL *(volatile unsigned long *)(PNX8550_CM_BASE + 0x008)
+#define PNX8550_CM_PLL3_CTL *(volatile unsigned long *)(PNX8550_CM_BASE + 0x00C)
+
+// Table not complete.....
+
+#define PNX8550_CM_PLL_BLOCKED_MASK 0x80000000
+#define PNX8550_CM_PLL_LOCK_MASK 0x40000000
+#define PNX8550_CM_PLL_CURRENT_ADJ_MASK 0x3c000000
+#define PNX8550_CM_PLL_N_MASK 0x01ff0000
+#define PNX8550_CM_PLL_M_MASK 0x00003f00
+#define PNX8550_CM_PLL_P_MASK 0x0000000c
+#define PNX8550_CM_PLL_PD_MASK 0x00000002
+
+
+#endif
diff --git a/include/asm-mips/mach-pnx8550/glb.h b/include/asm-mips/mach-pnx8550/glb.h
new file mode 100644
index 000000000000..07aa85e609bc
--- /dev/null
+++ b/include/asm-mips/mach-pnx8550/glb.h
@@ -0,0 +1,86 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ * PNX8550 global definitions
+ *
+ * Author: source@mvista.com
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#ifndef __PNX8550_GLB_H
+#define __PNX8550_GLB_H
+
+#define PNX8550_GLB1_BASE 0xBBE63000
+#define PNX8550_GLB2_BASE 0xBBE4d000
+#define PNX8550_RESET_BASE 0xBBE60000
+
+/* PCI Inta Output Enable Registers */
+#define PNX8550_GLB2_ENAB_INTA_O *(volatile unsigned long *)(PNX8550_GLB2_BASE + 0x050)
+
+/* Bit 1:Enable DAC Powerdown
+ 0:DACs are enabled and are working normally
+ 1:DACs are powerdown
+*/
+#define PNX8550_GLB_DAC_PD 0x2
+/* Bit 0:Enable of PCI inta output
+ 0 = Disable PCI inta output
+ 1 = Enable PCI inta output
+*/
+#define PNX8550_GLB_ENABLE_INTA_O 0x1
+
+/* PCI Direct Mappings */
+#define PNX8550_PCIMEM 0x12000000
+#define PNX8550_PCIMEM_SIZE 0x08000000
+#define PNX8550_PCIIO 0x1c000000
+#define PNX8550_PCIIO_SIZE 0x02000000 /* 32M */
+
+#define PNX8550_PORT_BASE KSEG1
+
+// GPIO def
+#define PNX8550_GPIO_BASE 0x1Be00000
+
+#define PNX8550_GPIO_DIRQ0 (PNX8550_GPIO_BASE + 0x104500)
+#define PNX8550_GPIO_MC1 (PNX8550_GPIO_BASE + 0x104004)
+#define PNX8550_GPIO_MC_31_BIT 30
+#define PNX8550_GPIO_MC_30_BIT 28
+#define PNX8550_GPIO_MC_29_BIT 26
+#define PNX8550_GPIO_MC_28_BIT 24
+#define PNX8550_GPIO_MC_27_BIT 22
+#define PNX8550_GPIO_MC_26_BIT 20
+#define PNX8550_GPIO_MC_25_BIT 18
+#define PNX8550_GPIO_MC_24_BIT 16
+#define PNX8550_GPIO_MC_23_BIT 14
+#define PNX8550_GPIO_MC_22_BIT 12
+#define PNX8550_GPIO_MC_21_BIT 10
+#define PNX8550_GPIO_MC_20_BIT 8
+#define PNX8550_GPIO_MC_19_BIT 6
+#define PNX8550_GPIO_MC_18_BIT 4
+#define PNX8550_GPIO_MC_17_BIT 2
+#define PNX8550_GPIO_MC_16_BIT 0
+
+#define PNX8550_GPIO_MODE_PRIMOP 0x1
+#define PNX8550_GPIO_MODE_NO_OPENDR 0x2
+#define PNX8550_GPIO_MODE_OPENDR 0x3
+
+// RESET module
+#define PNX8550_RST_CTL *(volatile unsigned long *)(PNX8550_RESET_BASE + 0x0)
+#define PNX8550_RST_CAUSE *(volatile unsigned long *)(PNX8550_RESET_BASE + 0x4)
+#define PNX8550_RST_EN_WATCHDOG *(volatile unsigned long *)(PNX8550_RESET_BASE + 0x8)
+
+#define PNX8550_RST_REL_MIPS_RST_N 0x8
+#define PNX8550_RST_DO_SW_RST 0x4
+#define PNX8550_RST_REL_SYS_RST_OUT 0x2
+#define PNX8550_RST_ASSERT_SYS_RST_OUT 0x1
+#endif
diff --git a/include/asm-mips/mach-pnx8550/int.h b/include/asm-mips/mach-pnx8550/int.h
new file mode 100644
index 000000000000..0e0668b524f4
--- /dev/null
+++ b/include/asm-mips/mach-pnx8550/int.h
@@ -0,0 +1,140 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ * Interrupt specific definitions
+ *
+ * Author: source@mvista.com
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#ifndef __PNX8550_INT_H
+#define __PNX8550_INT_H
+
+#define PNX8550_GIC_BASE 0xBBE3E000
+
+#define PNX8550_GIC_PRIMASK_0 *(volatile unsigned long *)(PNX8550_GIC_BASE + 0x000)
+#define PNX8550_GIC_PRIMASK_1 *(volatile unsigned long *)(PNX8550_GIC_BASE + 0x004)
+#define PNX8550_GIC_VECTOR_0 *(volatile unsigned long *)(PNX8550_GIC_BASE + 0x100)
+#define PNX8550_GIC_VECTOR_1 *(volatile unsigned long *)(PNX8550_GIC_BASE + 0x104)
+#define PNX8550_GIC_PEND_1_31 *(volatile unsigned long *)(PNX8550_GIC_BASE + 0x200)
+#define PNX8550_GIC_PEND_32_63 *(volatile unsigned long *)(PNX8550_GIC_BASE + 0x204)
+#define PNX8550_GIC_PEND_64_70 *(volatile unsigned long *)(PNX8550_GIC_BASE + 0x208)
+#define PNX8550_GIC_FEATURES *(volatile unsigned long *)(PNX8550_GIC_BASE + 0x300)
+#define PNX8550_GIC_REQ(x) *(volatile unsigned long *)(PNX8550_GIC_BASE + 0x400 + (x)*4)
+#define PNX8550_GIC_MOD_ID *(volatile unsigned long *)(PNX8550_GIC_BASE + 0xFFC)
+
+// cp0 is two software + six hw exceptions
+#define PNX8550_INT_CP0_TOTINT 8
+#define PNX8550_INT_CP0_MIN 0
+#define PNX8550_INT_CP0_MAX (PNX8550_INT_CP0_MIN + PNX8550_INT_CP0_TOTINT - 1)
+
+#define MIPS_CPU_GIC_IRQ 2
+#define MIPS_CPU_TIMER_IRQ 7
+
+// GIC are 71 exceptions connected to cp0's first hardware exception
+#define PNX8550_INT_GIC_TOTINT 71
+#define PNX8550_INT_GIC_MIN (PNX8550_INT_CP0_MAX+1)
+#define PNX8550_INT_GIC_MAX (PNX8550_INT_GIC_MIN + PNX8550_INT_GIC_TOTINT - 1)
+
+#define PNX8550_INT_UNDEF (PNX8550_INT_GIC_MIN+0)
+#define PNX8550_INT_IPC_TARGET0_MIPS (PNX8550_INT_GIC_MIN+1)
+#define PNX8550_INT_IPC_TARGET1_TM32_1 (PNX8550_INT_GIC_MIN+2)
+#define PNX8550_INT_IPC_TARGET1_TM32_2 (PNX8550_INT_GIC_MIN+3)
+#define PNX8550_INT_RESERVED_4 (PNX8550_INT_GIC_MIN+4)
+#define PNX8550_INT_USB (PNX8550_INT_GIC_MIN+5)
+#define PNX8550_INT_GPIO_EQ1 (PNX8550_INT_GIC_MIN+6)
+#define PNX8550_INT_GPIO_EQ2 (PNX8550_INT_GIC_MIN+7)
+#define PNX8550_INT_GPIO_EQ3 (PNX8550_INT_GIC_MIN+8)
+#define PNX8550_INT_GPIO_EQ4 (PNX8550_INT_GIC_MIN+9)
+
+#define PNX8550_INT_GPIO_EQ5 (PNX8550_INT_GIC_MIN+10)
+#define PNX8550_INT_GPIO_EQ6 (PNX8550_INT_GIC_MIN+11)
+#define PNX8550_INT_RESERVED_12 (PNX8550_INT_GIC_MIN+12)
+#define PNX8550_INT_QVCP1 (PNX8550_INT_GIC_MIN+13)
+#define PNX8550_INT_QVCP2 (PNX8550_INT_GIC_MIN+14)
+#define PNX8550_INT_I2C1 (PNX8550_INT_GIC_MIN+15)
+#define PNX8550_INT_I2C2 (PNX8550_INT_GIC_MIN+16)
+#define PNX8550_INT_ISO_UART1 (PNX8550_INT_GIC_MIN+17)
+#define PNX8550_INT_ISO_UART2 (PNX8550_INT_GIC_MIN+18)
+#define PNX8550_INT_UART1 (PNX8550_INT_GIC_MIN+19)
+
+#define PNX8550_INT_UART2 (PNX8550_INT_GIC_MIN+20)
+#define PNX8550_INT_QNTR (PNX8550_INT_GIC_MIN+21)
+#define PNX8550_INT_RESERVED22 (PNX8550_INT_GIC_MIN+22)
+#define PNX8550_INT_T_DSC (PNX8550_INT_GIC_MIN+23)
+#define PNX8550_INT_M_DSC (PNX8550_INT_GIC_MIN+24)
+#define PNX8550_INT_RESERVED25 (PNX8550_INT_GIC_MIN+25)
+#define PNX8550_INT_2D_DRAW_ENG (PNX8550_INT_GIC_MIN+26)
+#define PNX8550_INT_MEM_BASED_SCALAR1 (PNX8550_INT_GIC_MIN+27)
+#define PNX8550_INT_VIDEO_MPEG (PNX8550_INT_GIC_MIN+28)
+#define PNX8550_INT_VIDEO_INPUT_P1 (PNX8550_INT_GIC_MIN+29)
+
+#define PNX8550_INT_VIDEO_INPUT_P2 (PNX8550_INT_GIC_MIN+30)
+#define PNX8550_INT_SPDI1 (PNX8550_INT_GIC_MIN+31)
+#define PNX8550_INT_SPDO (PNX8550_INT_GIC_MIN+32)
+#define PNX8550_INT_AUDIO_INPUT1 (PNX8550_INT_GIC_MIN+33)
+#define PNX8550_INT_AUDIO_OUTPUT1 (PNX8550_INT_GIC_MIN+34)
+#define PNX8550_INT_AUDIO_INPUT2 (PNX8550_INT_GIC_MIN+35)
+#define PNX8550_INT_AUDIO_OUTPUT2 (PNX8550_INT_GIC_MIN+36)
+#define PNX8550_INT_MEMBASED_SCALAR2 (PNX8550_INT_GIC_MIN+37)
+#define PNX8550_INT_VPK (PNX8550_INT_GIC_MIN+38)
+#define PNX8550_INT_MPEG1_MIPS (PNX8550_INT_GIC_MIN+39)
+
+#define PNX8550_INT_MPEG1_TM (PNX8550_INT_GIC_MIN+40)
+#define PNX8550_INT_MPEG2_MIPS (PNX8550_INT_GIC_MIN+41)
+#define PNX8550_INT_MPEG2_TM (PNX8550_INT_GIC_MIN+42)
+#define PNX8550_INT_TS_DMA (PNX8550_INT_GIC_MIN+43)
+#define PNX8550_INT_EDMA (PNX8550_INT_GIC_MIN+44)
+#define PNX8550_INT_TM_DEBUG1 (PNX8550_INT_GIC_MIN+45)
+#define PNX8550_INT_TM_DEBUG2 (PNX8550_INT_GIC_MIN+46)
+#define PNX8550_INT_PCI_INTA (PNX8550_INT_GIC_MIN+47)
+#define PNX8550_INT_CLOCK_MODULE (PNX8550_INT_GIC_MIN+48)
+#define PNX8550_INT_PCI_XIO_INTA_PCI (PNX8550_INT_GIC_MIN+49)
+
+#define PNX8550_INT_PCI_XIO_INTB_DMA (PNX8550_INT_GIC_MIN+50)
+#define PNX8550_INT_PCI_XIO_INTC_GPPM (PNX8550_INT_GIC_MIN+51)
+#define PNX8550_INT_PCI_XIO_INTD_GPXIO (PNX8550_INT_GIC_MIN+52)
+#define PNX8550_INT_DVD_CSS (PNX8550_INT_GIC_MIN+53)
+#define PNX8550_INT_VLD (PNX8550_INT_GIC_MIN+54)
+#define PNX8550_INT_GPIO_TSU_7_0 (PNX8550_INT_GIC_MIN+55)
+#define PNX8550_INT_GPIO_TSU_15_8 (PNX8550_INT_GIC_MIN+56)
+#define PNX8550_INT_GPIO_CTU_IR (PNX8550_INT_GIC_MIN+57)
+#define PNX8550_INT_GPIO0 (PNX8550_INT_GIC_MIN+58)
+#define PNX8550_INT_GPIO1 (PNX8550_INT_GIC_MIN+59)
+
+#define PNX8550_INT_GPIO2 (PNX8550_INT_GIC_MIN+60)
+#define PNX8550_INT_GPIO3 (PNX8550_INT_GIC_MIN+61)
+#define PNX8550_INT_GPIO4 (PNX8550_INT_GIC_MIN+62)
+#define PNX8550_INT_GPIO5 (PNX8550_INT_GIC_MIN+63)
+#define PNX8550_INT_GPIO6 (PNX8550_INT_GIC_MIN+64)
+#define PNX8550_INT_GPIO7 (PNX8550_INT_GIC_MIN+65)
+#define PNX8550_INT_PMAN_SECURITY (PNX8550_INT_GIC_MIN+66)
+#define PNX8550_INT_I2C3 (PNX8550_INT_GIC_MIN+67)
+#define PNX8550_INT_RESERVED_68 (PNX8550_INT_GIC_MIN+68)
+#define PNX8550_INT_SPDI2 (PNX8550_INT_GIC_MIN+69)
+
+#define PNX8550_INT_I2C4 (PNX8550_INT_GIC_MIN+70)
+
+// Timer are 3 exceptions connected to cp0's 7th hardware exception
+#define PNX8550_INT_TIMER_TOTINT 3
+#define PNX8550_INT_TIMER_MIN (PNX8550_INT_GIC_MAX+1)
+#define PNX8550_INT_TIMER_MAX (PNX8550_INT_TIMER_MIN + PNX8550_INT_TIMER_TOTINT - 1)
+
+#define PNX8550_INT_TIMER1 (PNX8550_INT_TIMER_MIN+0)
+#define PNX8550_INT_TIMER2 (PNX8550_INT_TIMER_MIN+1)
+#define PNX8550_INT_TIMER3 (PNX8550_INT_TIMER_MIN+2)
+#define PNX8550_INT_WATCHDOG PNX8550_INT_TIMER3
+
+#endif
diff --git a/include/asm-mips/mach-pnx8550/kernel-entry-init.h b/include/asm-mips/mach-pnx8550/kernel-entry-init.h
new file mode 100644
index 000000000000..57102fa9da51
--- /dev/null
+++ b/include/asm-mips/mach-pnx8550/kernel-entry-init.h
@@ -0,0 +1,262 @@
+/*
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ *
+ * Copyright (C) 2005 Embedded Alley Solutions, Inc
+ */
+#ifndef __ASM_MACH_KERNEL_ENTRY_INIT_H
+#define __ASM_MACH_KERNEL_ENTRY_INIT_H
+
+#include <asm/cacheops.h>
+#include <asm/addrspace.h>
+
+#define CO_CONFIGPR_VALID 0x3F1F41FF /* valid bits to write to ConfigPR */
+#define HAZARD_CP0 nop; nop; nop; nop; nop; nop; nop; nop; nop; nop; nop; nop;
+#define CACHE_OPC 0xBC000000 /* MIPS cache instruction opcode */
+#define ICACHE_LINE_SIZE 32 /* Instruction cache line size bytes */
+#define DCACHE_LINE_SIZE 32 /* Data cache line size in bytes */
+
+#define ICACHE_SET_COUNT 256 /* Instruction cache set count */
+#define DCACHE_SET_COUNT 128 /* Data cache set count */
+
+#define ICACHE_SET_SIZE (ICACHE_SET_COUNT * ICACHE_LINE_SIZE)
+#define DCACHE_SET_SIZE (DCACHE_SET_COUNT * DCACHE_LINE_SIZE)
+
+ .macro kernel_entry_setup
+ .set push
+ .set noreorder
+ /*
+ * PNX8550 entry point, when running a non compressed
+ * kernel. When loading a zImage, the head.S code in
+ * arch/mips/zboot/pnx8550 will init the caches and,
+ * decompress the kernel, and branch to kernel_entry.
+ */
+cache_begin: li t0, (1<<28)
+ mtc0 t0, CP0_STATUS /* cp0 usable */
+ HAZARD_CP0
+
+ mtc0 zero, CP0_CAUSE
+ HAZARD_CP0
+
+
+ /* Set static virtual to phys address translation and TLB disabled */
+ mfc0 t0, CP0_CONFIG, 7
+ HAZARD_CP0
+
+ and t0,~((1<<19) | (1<<20)) /* TLB/MAP cleared */
+ mtc0 t0, CP0_CONFIG, 7
+ HAZARD_CP0
+
+ /* CPU boots with kseg0 cache algo set to 0x2 -- uncached */
+
+ init_icache
+ nop
+ init_dcache
+ nop
+
+ cachePr4450ICReset
+ nop
+
+ cachePr4450DCReset
+ nop
+
+ /* read ConfigPR into t0 */
+ mfc0 t0, CP0_CONFIG, 7
+ HAZARD_CP0
+
+ /* enable the TLB */
+ or t0, (1<<19)
+
+ /* disable the ICACHE: at least 10x slower */
+ /* or t0, (1<<26) */
+
+ /* disable the DCACHE; CONFIG_CPU_HAS_LLSC should not be set */
+ /* or t0, (1<<27) */
+
+ and t0, CO_CONFIGPR_VALID
+
+ /* enable TLB. */
+ mtc0 t0, CP0_CONFIG, 7
+ HAZARD_CP0
+cache_end:
+ /* Setup CMEM_0 to MMIO address space, 2MB */
+ lui t0, 0x1BE0
+ addi t0, t0, 0x3
+ mtc0 $8, $22, 4
+ nop
+
+ /* Setup CMEM_1, 128MB */
+ lui t0, 0x1000
+ addi t0, t0, 0xf
+ mtc0 $8, $22, 5
+ nop
+
+
+ /* Setup CMEM_2, 32MB */
+ lui t0, 0x1C00
+ addi t0, t0, 0xb
+ mtc0 $8, $22, 6
+ nop
+
+ /* Setup CMEM_3, 0MB */
+ lui t0, 0x0
+ addi t0, t0, 0x0
+ mtc0 $8, $22, 7
+ nop
+
+ /* Enable cache */
+ mfc0 t0, CP0_CONFIG
+ HAZARD_CP0
+ and t0, t0, 0xFFFFFFF8
+ or t0, t0, 3
+ mtc0 t0, CP0_CONFIG
+ HAZARD_CP0
+ .set pop
+ .endm
+
+ .macro init_icache
+ .set push
+ .set noreorder
+
+ /* Get Cache Configuration */
+ mfc0 t3, CP0_CONFIG, 1
+ HAZARD_CP0
+
+ /* get cache Line size */
+
+ srl t1, t3, 19 /* C0_CONFIGPR_IL_SHIFT */
+ andi t1, t1, 0x7 /* C0_CONFIGPR_IL_MASK */
+ beq t1, zero, pr4450_instr_cache_invalidated /* if zero instruction cache is absent */
+ nop
+ addiu t0, t1, 1
+ ori t1, zero, 1
+ sllv t1, t1, t0
+
+ /* get max cache Index */
+ srl t2, t3, 22 /* C0_CONFIGPR_IS_SHIFT */
+ andi t2, t2, 0x7 /* C0_CONFIGPR_IS_MASK */
+ addiu t0, t2, 6
+ ori t2, zero, 1
+ sllv t2, t2, t0
+
+ /* get max cache way */
+ srl t3, t3, 16 /* C0_CONFIGPR_IA_SHIFT */
+ andi t3, t3, 0x7 /* C0_CONFIGPR_IA_MASK */
+ addiu t3, t3, 1
+
+ /* total no of cache lines */
+ multu t2, t3 /* max index * max way */
+ mflo t2
+ addiu t2, t2, -1
+
+ move t0, zero
+pr4450_next_instruction_cache_set:
+ cache Index_Invalidate_I, 0(t0)
+ addu t0, t0, t1 /* add bytes in a line */
+ bne t2, zero, pr4450_next_instruction_cache_set
+ addiu t2, t2, -1 /* reduce no of lines to invalidate by one */
+pr4450_instr_cache_invalidated:
+ .set pop
+ .endm
+
+ .macro init_dcache
+ .set push
+ .set noreorder
+ move t1, zero
+
+ /* Store Tag Information */
+ mtc0 zero, CP0_TAGLO, 0
+ HAZARD_CP0
+
+ mtc0 zero, CP0_TAGHI, 0
+ HAZARD_CP0
+
+ /* Cache size is 16384 = 512 lines x 32 bytes per line */
+ or t2, zero, (128*4)-1 /* 512 lines */
+ /* Invalidate all lines */
+2:
+ cache Index_Store_Tag_D, 0(t1)
+ addiu t2, t2, -1
+ bne t2, zero, 2b
+ addiu t1, t1, 32 /* 32 bytes in a line */
+ .set pop
+ .endm
+
+ .macro cachePr4450ICReset
+ .set push
+ .set noreorder
+
+ /* Save CP0 status reg on entry; */
+ /* disable interrupts during cache reset */
+ mfc0 t0, CP0_STATUS /* T0 = interrupt status on entry */
+ HAZARD_CP0
+
+ mtc0 zero, CP0_STATUS /* disable CPU interrupts */
+ HAZARD_CP0
+
+ or t1, zero, zero /* T1 = starting cache index (0) */
+ ori t2, zero, (256 - 1) /* T2 = inst cache set cnt - 1 */
+
+ icache_invd_loop:
+ /* 9 == register t1 */
+ .word (CACHE_OPC | (9 << 21) | (Index_Invalidate_I << 16) | \
+ (0 * ICACHE_SET_SIZE)) /* invalidate inst cache WAY0 */
+ .word (CACHE_OPC | (9 << 21) | (Index_Invalidate_I << 16) | \
+ (1 * ICACHE_SET_SIZE)) /* invalidate inst cache WAY1 */
+
+ addiu t1, t1, ICACHE_LINE_SIZE /* T1 = next cache line index */
+ bne t2, zero, icache_invd_loop /* T2 = 0 if all sets invalidated */
+ addiu t2, t2, -1 /* decrement T2 set cnt (delay slot) */
+
+ /* Initialize the latches in the instruction cache tag */
+ /* that drive the way selection tri-state bus drivers, by doing a */
+ /* dummy load while the instruction cache is still disabled. */
+ /* TODO: Is this needed ? */
+ la t1, KSEG0 /* T1 = cached memory base address */
+ lw zero, 0x0000(t1) /* (dummy read of first memory word) */
+
+ mtc0 t0, CP0_STATUS /* restore interrupt status on entry */
+ HAZARD_CP0
+ .set pop
+ .endm
+
+ .macro cachePr4450DCReset
+ .set push
+ .set noreorder
+ mfc0 t0, CP0_STATUS /* T0 = interrupt status on entry */
+ HAZARD_CP0
+ mtc0 zero, CP0_STATUS /* disable CPU interrupts */
+ HAZARD_CP0
+
+ /* Writeback/invalidate entire data cache sets/ways/lines */
+ or t1, zero, zero /* T1 = starting cache index (0) */
+ ori t2, zero, (DCACHE_SET_COUNT - 1) /* T2 = data cache set cnt - 1 */
+
+ dcache_wbinvd_loop:
+ /* 9 == register t1 */
+ .word (CACHE_OPC | (9 << 21) | (Index_Writeback_Inv_D << 16) | \
+ (0 * DCACHE_SET_SIZE)) /* writeback/invalidate WAY0 */
+ .word (CACHE_OPC | (9 << 21) | (Index_Writeback_Inv_D << 16) | \
+ (1 * DCACHE_SET_SIZE)) /* writeback/invalidate WAY1 */
+ .word (CACHE_OPC | (9 << 21) | (Index_Writeback_Inv_D << 16) | \
+ (2 * DCACHE_SET_SIZE)) /* writeback/invalidate WAY2 */
+ .word (CACHE_OPC | (9 << 21) | (Index_Writeback_Inv_D << 16) | \
+ (3 * DCACHE_SET_SIZE)) /* writeback/invalidate WAY3 */
+
+ addiu t1, t1, DCACHE_LINE_SIZE /* T1 = next data cache line index */
+ bne t2, zero, dcache_wbinvd_loop /* T2 = 0 when wbinvd entire cache */
+ addiu t2, t2, -1 /* decrement T2 set cnt (delay slot) */
+
+ /* Initialize the latches in the data cache tag that drive the way
+ selection tri-state bus drivers, by doing a dummy load while the
+ data cache is still in the disabled mode. TODO: Is this needed ? */
+ la t1, KSEG0 /* T1 = cached memory base address */
+ lw zero, 0x0000(t1) /* (dummy read of first memory word) */
+
+ mtc0 t0, CP0_STATUS /* restore interrupt status on entry */
+ HAZARD_CP0
+ .set pop
+ .endm
+
+#endif /* __ASM_MACH_KERNEL_ENTRY_INIT_H */
diff --git a/include/asm-mips/mach-pnx8550/nand.h b/include/asm-mips/mach-pnx8550/nand.h
new file mode 100644
index 000000000000..aefbc514ab09
--- /dev/null
+++ b/include/asm-mips/mach-pnx8550/nand.h
@@ -0,0 +1,121 @@
+#ifndef __PNX8550_NAND_H
+#define __PNX8550_NAND_H
+
+#define PNX8550_NAND_BASE_ADDR 0x10000000
+#define PNX8550_PCIXIO_BASE 0xBBE40000
+
+#define PNX8550_DMA_EXT_ADDR *(volatile unsigned long *)(PNX8550_PCIXIO_BASE + 0x800)
+#define PNX8550_DMA_INT_ADDR *(volatile unsigned long *)(PNX8550_PCIXIO_BASE + 0x804)
+#define PNX8550_DMA_TRANS_SIZE *(volatile unsigned long *)(PNX8550_PCIXIO_BASE + 0x808)
+#define PNX8550_DMA_CTRL *(volatile unsigned long *)(PNX8550_PCIXIO_BASE + 0x80c)
+#define PNX8550_XIO_SEL0 *(volatile unsigned long *)(PNX8550_PCIXIO_BASE + 0x814)
+#define PNX8550_GPXIO_ADDR *(volatile unsigned long *)(PNX8550_PCIXIO_BASE + 0x820)
+#define PNX8550_GPXIO_WR *(volatile unsigned long *)(PNX8550_PCIXIO_BASE + 0x824)
+#define PNX8550_GPXIO_RD *(volatile unsigned long *)(PNX8550_PCIXIO_BASE + 0x828)
+#define PNX8550_GPXIO_CTRL *(volatile unsigned long *)(PNX8550_PCIXIO_BASE + 0x82C)
+#define PNX8550_XIO_FLASH_CTRL *(volatile unsigned long *)(PNX8550_PCIXIO_BASE + 0x830)
+#define PNX8550_GPXIO_INT_STATUS *(volatile unsigned long *)(PNX8550_PCIXIO_BASE + 0xfb0)
+#define PNX8550_GPXIO_INT_ENABLE *(volatile unsigned long *)(PNX8550_PCIXIO_BASE + 0xfb4)
+#define PNX8550_GPXIO_INT_CLEAR *(volatile unsigned long *)(PNX8550_PCIXIO_BASE + 0xfb8)
+#define PNX8550_DMA_INT_STATUS *(volatile unsigned long *)(PNX8550_PCIXIO_BASE + 0xfd0)
+#define PNX8550_DMA_INT_ENABLE *(volatile unsigned long *)(PNX8550_PCIXIO_BASE + 0xfd4)
+#define PNX8550_DMA_INT_CLEAR *(volatile unsigned long *)(PNX8550_PCIXIO_BASE + 0xfd8)
+
+#define PNX8550_XIO_SEL0_EN_16BIT 0x00800000
+#define PNX8550_XIO_SEL0_USE_ACK 0x00400000
+#define PNX8550_XIO_SEL0_REN_HIGH 0x00100000
+#define PNX8550_XIO_SEL0_REN_LOW 0x00040000
+#define PNX8550_XIO_SEL0_WEN_HIGH 0x00010000
+#define PNX8550_XIO_SEL0_WEN_LOW 0x00004000
+#define PNX8550_XIO_SEL0_WAIT 0x00000200
+#define PNX8550_XIO_SEL0_OFFSET 0x00000020
+#define PNX8550_XIO_SEL0_TYPE_68360 0x00000000
+#define PNX8550_XIO_SEL0_TYPE_NOR 0x00000008
+#define PNX8550_XIO_SEL0_TYPE_NAND 0x00000010
+#define PNX8550_XIO_SEL0_TYPE_IDE 0x00000018
+#define PNX8550_XIO_SEL0_SIZE_8MB 0x00000000
+#define PNX8550_XIO_SEL0_SIZE_16MB 0x00000002
+#define PNX8550_XIO_SEL0_SIZE_32MB 0x00000004
+#define PNX8550_XIO_SEL0_SIZE_64MB 0x00000006
+#define PNX8550_XIO_SEL0_ENAB 0x00000001
+
+#define PNX8550_SEL0_DEFAULT ((PNX8550_XIO_SEL0_EN_16BIT) | \
+ (PNX8550_XIO_SEL0_REN_HIGH*0)| \
+ (PNX8550_XIO_SEL0_REN_LOW*2) | \
+ (PNX8550_XIO_SEL0_WEN_HIGH*0)| \
+ (PNX8550_XIO_SEL0_WEN_LOW*2) | \
+ (PNX8550_XIO_SEL0_WAIT*4) | \
+ (PNX8550_XIO_SEL0_OFFSET*0) | \
+ (PNX8550_XIO_SEL0_TYPE_NAND) | \
+ (PNX8550_XIO_SEL0_SIZE_32MB) | \
+ (PNX8550_XIO_SEL0_ENAB))
+
+#define PNX8550_GPXIO_PENDING 0x00000200
+#define PNX8550_GPXIO_DONE 0x00000100
+#define PNX8550_GPXIO_CLR_DONE 0x00000080
+#define PNX8550_GPXIO_INIT 0x00000040
+#define PNX8550_GPXIO_READ_CMD 0x00000010
+#define PNX8550_GPXIO_BEN 0x0000000F
+
+#define PNX8550_XIO_FLASH_64MB 0x00200000
+#define PNX8550_XIO_FLASH_INC_DATA 0x00100000
+#define PNX8550_XIO_FLASH_CMD_PH 0x000C0000
+#define PNX8550_XIO_FLASH_CMD_PH2 0x00080000
+#define PNX8550_XIO_FLASH_CMD_PH1 0x00040000
+#define PNX8550_XIO_FLASH_CMD_PH0 0x00000000
+#define PNX8550_XIO_FLASH_ADR_PH 0x00030000
+#define PNX8550_XIO_FLASH_ADR_PH3 0x00030000
+#define PNX8550_XIO_FLASH_ADR_PH2 0x00020000
+#define PNX8550_XIO_FLASH_ADR_PH1 0x00010000
+#define PNX8550_XIO_FLASH_ADR_PH0 0x00000000
+#define PNX8550_XIO_FLASH_CMD_B(x) ((x<<8) & 0x0000FF00)
+#define PNX8550_XIO_FLASH_CMD_A(x) (x & 0x000000FF)
+
+#define PNX8550_XIO_INT_ACK 0x00004000
+#define PNX8550_XIO_INT_COMPL 0x00002000
+#define PNX8550_XIO_INT_NONSUP 0x00000200
+#define PNX8550_XIO_INT_ABORT 0x00000004
+
+#define PNX8550_DMA_CTRL_SINGLE_DATA 0x00000400
+#define PNX8550_DMA_CTRL_SND2XIO 0x00000200
+#define PNX8550_DMA_CTRL_FIX_ADDR 0x00000100
+#define PNX8550_DMA_CTRL_BURST_8 0x00000000
+#define PNX8550_DMA_CTRL_BURST_16 0x00000020
+#define PNX8550_DMA_CTRL_BURST_32 0x00000040
+#define PNX8550_DMA_CTRL_BURST_64 0x00000060
+#define PNX8550_DMA_CTRL_BURST_128 0x00000080
+#define PNX8550_DMA_CTRL_BURST_256 0x000000A0
+#define PNX8550_DMA_CTRL_BURST_512 0x000000C0
+#define PNX8550_DMA_CTRL_BURST_NORES 0x000000E0
+#define PNX8550_DMA_CTRL_INIT_DMA 0x00000010
+#define PNX8550_DMA_CTRL_CMD_TYPE 0x0000000F
+
+/* see PCI system arch, page 100 for the full list: */
+#define PNX8550_DMA_CTRL_PCI_CMD_READ 0x00000006
+#define PNX8550_DMA_CTRL_PCI_CMD_WRITE 0x00000007
+
+#define PNX8550_DMA_INT_STAT_ACK_DONE (1<<14)
+#define PNX8550_DMA_INT_STAT_DMA_DONE (1<<12)
+#define PNX8550_DMA_INT_STAT_DMA_ERR (1<<9)
+#define PNX8550_DMA_INT_STAT_PERR5 (1<<5)
+#define PNX8550_DMA_INT_STAT_PERR4 (1<<4)
+#define PNX8550_DMA_INT_STAT_M_ABORT (1<<2)
+#define PNX8550_DMA_INT_STAT_T_ABORT (1<<1)
+
+#define PNX8550_DMA_INT_EN_ACK_DONE (1<<14)
+#define PNX8550_DMA_INT_EN_DMA_DONE (1<<12)
+#define PNX8550_DMA_INT_EN_DMA_ERR (1<<9)
+#define PNX8550_DMA_INT_EN_PERR5 (1<<5)
+#define PNX8550_DMA_INT_EN_PERR4 (1<<4)
+#define PNX8550_DMA_INT_EN_M_ABORT (1<<2)
+#define PNX8550_DMA_INT_EN_T_ABORT (1<<1)
+
+#define PNX8550_DMA_INT_CLR_ACK_DONE (1<<14)
+#define PNX8550_DMA_INT_CLR_DMA_DONE (1<<12)
+#define PNX8550_DMA_INT_CLR_DMA_ERR (1<<9)
+#define PNX8550_DMA_INT_CLR_PERR5 (1<<5)
+#define PNX8550_DMA_INT_CLR_PERR4 (1<<4)
+#define PNX8550_DMA_INT_CLR_M_ABORT (1<<2)
+#define PNX8550_DMA_INT_CLR_T_ABORT (1<<1)
+
+#endif
diff --git a/include/asm-mips/mach-pnx8550/pci.h b/include/asm-mips/mach-pnx8550/pci.h
new file mode 100644
index 000000000000..b921508d701b
--- /dev/null
+++ b/include/asm-mips/mach-pnx8550/pci.h
@@ -0,0 +1,185 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ * PCI specific definitions
+ *
+ * Author: source@mvista.com
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#ifndef __PNX8550_PCI_H
+#define __PNX8550_PCI_H
+
+#include <linux/types.h>
+#include <linux/pci.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+
+#define PCI_ACCESS_READ 0
+#define PCI_ACCESS_WRITE 1
+
+#define PCI_CMD_IOR 0x20
+#define PCI_CMD_IOW 0x30
+#define PCI_CMD_CONFIG_READ 0xa0
+#define PCI_CMD_CONFIG_WRITE 0xb0
+
+#define PCI_IO_TIMEOUT 1000
+#define PCI_IO_RETRY 5
+/* Timeout for IO and CFG accesses.
+ This is in 1/1024 th of a jiffie(=10ms)
+ i.e. approx 10us */
+#define PCI_IO_JIFFIES_TIMEOUT 40
+#define PCI_IO_JIFFIES_SHIFT 10
+
+#define PCI_BYTE_ENABLE_MASK 0x0000000f
+#define PCI_CFG_BUS_SHIFT 16
+#define PCI_CFG_FUNC_SHIFT 8
+#define PCI_CFG_REG_SHIFT 2
+
+#define PCI_BASE 0x1be00000
+#define PCI_SETUP 0x00040010
+#define PCI_DIS_REQGNT (1<<30)
+#define PCI_DIS_REQGNTA (1<<29)
+#define PCI_DIS_REQGNTB (1<<28)
+#define PCI_D2_SUPPORT (1<<27)
+#define PCI_D1_SUPPORT (1<<26)
+#define PCI_EN_TA (1<<24)
+#define PCI_EN_PCI2MMI (1<<23)
+#define PCI_EN_XIO (1<<22)
+#define PCI_BASE18_PREF (1<<21)
+#define SIZE_16M 0x3
+#define SIZE_32M 0x4
+#define SIZE_64M 0x5
+#define SIZE_128M 0x6
+#define PCI_SETUP_BASE18_SIZE(X) (X<<18)
+#define PCI_SETUP_BASE18_EN (1<<17)
+#define PCI_SETUP_BASE14_PREF (1<<16)
+#define PCI_SETUP_BASE14_SIZE(X) (X<<12)
+#define PCI_SETUP_BASE14_EN (1<<11)
+#define PCI_SETUP_BASE10_PREF (1<<10)
+#define PCI_SETUP_BASE10_SIZE(X) (X<<7)
+#define PCI_SETUP_CFGMANAGE_EN (1<<1)
+#define PCI_SETUP_PCIARB_EN (1<<0)
+
+#define PCI_CTRL 0x040014
+#define PCI_SWPB_DCS_PCI (1<<16)
+#define PCI_SWPB_PCI_PCI (1<<15)
+#define PCI_SWPB_PCI_DCS (1<<14)
+#define PCI_REG_WR_POST (1<<13)
+#define PCI_XIO_WR_POST (1<<12)
+#define PCI_PCI2_WR_POST (1<<13)
+#define PCI_PCI1_WR_POST (1<<12)
+#define PCI_SERR_SEEN (1<<11)
+#define PCI_B10_SPEC_RD (1<<6)
+#define PCI_B14_SPEC_RD (1<<5)
+#define PCI_B18_SPEC_RD (1<<4)
+#define PCI_B10_NOSUBWORD (1<<3)
+#define PCI_B14_NOSUBWORD (1<<2)
+#define PCI_B18_NOSUBWORD (1<<1)
+#define PCI_RETRY_TMREN (1<<0)
+
+#define PCI_BASE1_LO 0x040018
+#define PCI_BASE1_HI 0x04001C
+#define PCI_BASE2_LO 0x040020
+#define PCI_BASE2_HI 0x040024
+#define PCI_RDLIFETIM 0x040028
+#define PCI_GPPM_ADDR 0x04002C
+#define PCI_GPPM_WDAT 0x040030
+#define PCI_GPPM_RDAT 0x040034
+#define PCI_GPPM_CTRL 0x040038
+#define GPPM_DONE (1<<10)
+#define INIT_PCI_CYCLE (1<<9)
+#define GPPM_CMD(X) (((X)&0xf)<<4)
+#define GPPM_BYTEEN(X) ((X)&0xf)
+#define PCI_UNLOCKREG 0x04003C
+#define UNLOCK_SSID(X) (((X)&0xff)<<8)
+#define UNLOCK_SETUP(X) (((X)&0xff)<<0)
+#define UNLOCK_MAGIC 0xCA
+#define PCI_DEV_VEND_ID 0x040040
+#define DEVICE_ID(X) (((X)>>16)&0xffff)
+#define VENDOR_ID(X) (((X)&0xffff))
+#define PCI_CFG_CMDSTAT 0x040044
+#define PCI_CFG_STATUS(X) (((X)>>16)&0xffff)
+#define PCI_CFG_COMMAND(X) ((X)&0xffff)
+#define PCI_CLASS_REV 0x040048
+#define PCI_CLASSCODE(X) (((X)>>8)&0xffffff)
+#define PCI_REVID(X) ((X)&0xff)
+#define PCI_LAT_TMR 0x04004c
+#define PCI_BASE10 0x040050
+#define PCI_BASE14 0x040054
+#define PCI_BASE18 0x040058
+#define PCI_SUBSYS_ID 0x04006c
+#define PCI_CAP_PTR 0x040074
+#define PCI_CFG_MISC 0x04007c
+#define PCI_PMC 0x040080
+#define PCI_PWR_STATE 0x040084
+#define PCI_IO 0x040088
+#define PCI_SLVTUNING 0x04008C
+#define PCI_DMATUNING 0x040090
+#define PCI_DMAEADDR 0x040800
+#define PCI_DMAIADDR 0x040804
+#define PCI_DMALEN 0x040808
+#define PCI_DMACTRL 0x04080C
+#define PCI_XIOCTRL 0x040810
+#define PCI_SEL0PROF 0x040814
+#define PCI_SEL1PROF 0x040818
+#define PCI_SEL2PROF 0x04081C
+#define PCI_GPXIOADDR 0x040820
+#define PCI_NANDCTRLS 0x400830
+#define PCI_SEL3PROF 0x040834
+#define PCI_SEL4PROF 0x040838
+#define PCI_GPXIO_STAT 0x040FB0
+#define PCI_GPXIO_IMASK 0x040FB4
+#define PCI_GPXIO_ICLR 0x040FB8
+#define PCI_GPXIO_ISET 0x040FBC
+#define PCI_GPPM_STATUS 0x040FC0
+#define GPPM_DONE (1<<10)
+#define GPPM_ERR (1<<9)
+#define GPPM_MPAR_ERR (1<<8)
+#define GPPM_PAR_ERR (1<<7)
+#define GPPM_R_MABORT (1<<2)
+#define GPPM_R_TABORT (1<<1)
+#define PCI_GPPM_IMASK 0x040FC4
+#define PCI_GPPM_ICLR 0x040FC8
+#define PCI_GPPM_ISET 0x040FCC
+#define PCI_DMA_STATUS 0x040FD0
+#define PCI_DMA_IMASK 0x040FD4
+#define PCI_DMA_ICLR 0x040FD8
+#define PCI_DMA_ISET 0x040FDC
+#define PCI_ISTATUS 0x040FE0
+#define PCI_IMASK 0x040FE4
+#define PCI_ICLR 0x040FE8
+#define PCI_ISET 0x040FEC
+#define PCI_MOD_ID 0x040FFC
+
+/*
+ * PCI configuration cycle AD bus definition
+ */
+/* Type 0 */
+#define PCI_CFG_TYPE0_REG_SHF 0
+#define PCI_CFG_TYPE0_FUNC_SHF 8
+
+/* Type 1 */
+#define PCI_CFG_TYPE1_REG_SHF 0
+#define PCI_CFG_TYPE1_FUNC_SHF 8
+#define PCI_CFG_TYPE1_DEV_SHF 11
+#define PCI_CFG_TYPE1_BUS_SHF 16
+
+/*
+ * Ethernet device DP83816 definition
+ */
+#define DP83816_IRQ_ETHER 66
+
+#endif
diff --git a/include/asm-mips/mach-pnx8550/uart.h b/include/asm-mips/mach-pnx8550/uart.h
new file mode 100644
index 000000000000..e32b9a23d70e
--- /dev/null
+++ b/include/asm-mips/mach-pnx8550/uart.h
@@ -0,0 +1,16 @@
+#ifndef __IP3106_UART_H
+#define __IP3106_UART_H
+
+#include <int.h>
+
+/* early macros for kgdb use. fixme: clean this up */
+
+#define UART_BASE 0xbbe4a000 /* PNX8550 */
+
+#define PNX8550_UART_PORT0 (UART_BASE)
+#define PNX8550_UART_PORT1 (UART_BASE + 0x1000)
+
+#define PNX8550_UART_INT(x) (PNX8550_INT_GIC_MIN+19+x)
+#define IRQ_TO_UART(x) (x-PNX8550_INT_GIC_MIN-19)
+
+#endif
diff --git a/include/asm-mips/mach-pnx8550/usb.h b/include/asm-mips/mach-pnx8550/usb.h
new file mode 100644
index 000000000000..483b7fc65d41
--- /dev/null
+++ b/include/asm-mips/mach-pnx8550/usb.h
@@ -0,0 +1,32 @@
+/*
+ *
+ * BRIEF MODULE DESCRIPTION
+ * USB specific definitions
+ *
+ * Author: source@mvista.com
+ *
+ * This program is free software; you can distribute it and/or modify it
+ * under the terms of the GNU General Public License (Version 2) as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
+ */
+
+#ifndef __PNX8550_USB_H
+#define __PNX8550_USB_H
+
+/*
+ * USB Host controller
+ */
+
+#define PNX8550_USB_OHCI_OP_BASE 0x1be48000
+#define PNX8550_USB_OHCI_OP_LEN 0x1000
+
+#endif