Added missing tegra files.HEADmaster

8 files changed, 758 insertions, 0 deletions

diff --git a/arch/arm/include/asm/hardware/clps7111.h b/arch/arm/include/asm/hardware/clps7111.h
new file mode 100644
index 00000000000..44477225aed
--- /dev/null
+++ b/arch/arm/include/asm/hardware/clps7111.h
@@ -0,0 +1,184 @@
+/*
+ *  arch/arm/include/asm/hardware/clps7111.h
+ *
+ *  This file contains the hardware definitions of the CLPS7111 internal
+ *  registers.
+ *
+ *  Copyright (C) 2000 Deep Blue Solutions Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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 __ASM_HARDWARE_CLPS7111_H
+#define __ASM_HARDWARE_CLPS7111_H
+
+#define CLPS7111_PHYS_BASE      (0x80000000)
+
+#ifndef __ASSEMBLY__
+#define clps_readb(off)         __raw_readb(CLPS7111_BASE + (off))
+#define clps_readw(off)         __raw_readw(CLPS7111_BASE + (off))
+#define clps_readl(off)         __raw_readl(CLPS7111_BASE + (off))
+#define clps_writeb(val,off)    __raw_writeb(val, CLPS7111_BASE + (off))
+#define clps_writew(val,off)    __raw_writew(val, CLPS7111_BASE + (off))
+#define clps_writel(val,off)    __raw_writel(val, CLPS7111_BASE + (off))
+#endif
+
+#define PADR            (0x0000)
+#define PBDR            (0x0001)
+#define PDDR            (0x0003)
+#define PADDR           (0x0040)
+#define PBDDR           (0x0041)
+#define PDDDR           (0x0043)
+#define PEDR            (0x0080)
+#define PEDDR           (0x00c0)
+#define SYSCON1         (0x0100)
+#define SYSFLG1         (0x0140)
+#define MEMCFG1         (0x0180)
+#define MEMCFG2         (0x01c0)
+#define DRFPR           (0x0200)
+#define INTSR1          (0x0240)
+#define INTMR1          (0x0280)
+#define LCDCON          (0x02c0)
+#define TC1D            (0x0300)
+#define TC2D            (0x0340)
+#define RTCDR           (0x0380)
+#define RTCMR           (0x03c0)
+#define PMPCON          (0x0400)
+#define CODR            (0x0440)
+#define UARTDR1         (0x0480)
+#define UBRLCR1         (0x04c0)
+#define SYNCIO          (0x0500)
+#define PALLSW          (0x0540)
+#define PALMSW          (0x0580)
+#define STFCLR          (0x05c0)
+#define BLEOI           (0x0600)
+#define MCEOI           (0x0640)
+#define TEOI            (0x0680)
+#define TC1EOI          (0x06c0)
+#define TC2EOI          (0x0700)
+#define RTCEOI          (0x0740)
+#define UMSEOI          (0x0780)
+#define COEOI           (0x07c0)
+#define HALT            (0x0800)
+#define STDBY           (0x0840)
+
+#define FBADDR          (0x1000)
+#define SYSCON2         (0x1100)
+#define SYSFLG2         (0x1140)
+#define INTSR2          (0x1240)
+#define INTMR2          (0x1280)
+#define UARTDR2         (0x1480)
+#define UBRLCR2         (0x14c0)
+#define SS2DR           (0x1500)
+#define SRXEOF          (0x1600)
+#define SS2POP          (0x16c0)
+#define KBDEOI          (0x1700)
+
+/* common bits: SYSCON1 / SYSCON2 */
+#define SYSCON_UARTEN           (1 << 8)
+
+#define SYSCON1_KBDSCAN(x)      ((x) & 15)
+#define SYSCON1_KBDSCANMASK     (15)
+#define SYSCON1_TC1M            (1 << 4)
+#define SYSCON1_TC1S            (1 << 5)
+#define SYSCON1_TC2M            (1 << 6)
+#define SYSCON1_TC2S            (1 << 7)
+#define SYSCON1_UART1EN         SYSCON_UARTEN
+#define SYSCON1_BZTOG           (1 << 9)
+#define SYSCON1_BZMOD           (1 << 10)
+#define SYSCON1_DBGEN           (1 << 11)
+#define SYSCON1_LCDEN           (1 << 12)
+#define SYSCON1_CDENTX          (1 << 13)
+#define SYSCON1_CDENRX          (1 << 14)
+#define SYSCON1_SIREN           (1 << 15)
+#define SYSCON1_ADCKSEL(x)      (((x) & 3) << 16)
+#define SYSCON1_ADCKSEL_MASK    (3 << 16)
+#define SYSCON1_EXCKEN          (1 << 18)
+#define SYSCON1_WAKEDIS         (1 << 19)
+#define SYSCON1_IRTXM           (1 << 20)
+
+/* common bits: SYSFLG1 / SYSFLG2 */
+#define SYSFLG_UBUSY            (1 << 11)
+#define SYSFLG_URXFE            (1 << 22)
+#define SYSFLG_UTXFF            (1 << 23)
+
+#define SYSFLG1_MCDR            (1 << 0)
+#define SYSFLG1_DCDET           (1 << 1)
+#define SYSFLG1_WUDR            (1 << 2)
+#define SYSFLG1_WUON            (1 << 3)
+#define SYSFLG1_CTS             (1 << 8)
+#define SYSFLG1_DSR             (1 << 9)
+#define SYSFLG1_DCD             (1 << 10)
+#define SYSFLG1_UBUSY           SYSFLG_UBUSY
+#define SYSFLG1_NBFLG           (1 << 12)
+#define SYSFLG1_RSTFLG          (1 << 13)
+#define SYSFLG1_PFFLG           (1 << 14)
+#define SYSFLG1_CLDFLG          (1 << 15)
+#define SYSFLG1_URXFE           SYSFLG_URXFE
+#define SYSFLG1_UTXFF           SYSFLG_UTXFF
+#define SYSFLG1_CRXFE           (1 << 24)
+#define SYSFLG1_CTXFF           (1 << 25)
+#define SYSFLG1_SSIBUSY         (1 << 26)
+#define SYSFLG1_ID              (1 << 29)
+
+#define SYSFLG2_SSRXOF          (1 << 0)
+#define SYSFLG2_RESVAL          (1 << 1)
+#define SYSFLG2_RESFRM          (1 << 2)
+#define SYSFLG2_SS2RXFE         (1 << 3)
+#define SYSFLG2_SS2TXFF         (1 << 4)
+#define SYSFLG2_SS2TXUF         (1 << 5)
+#define SYSFLG2_CKMODE          (1 << 6)
+#define SYSFLG2_UBUSY           SYSFLG_UBUSY
+#define SYSFLG2_URXFE           SYSFLG_URXFE
+#define SYSFLG2_UTXFF           SYSFLG_UTXFF
+
+#define LCDCON_GSEN             (1 << 30)
+#define LCDCON_GSMD             (1 << 31)
+
+#define SYSCON2_SERSEL          (1 << 0)
+#define SYSCON2_KBD6            (1 << 1)
+#define SYSCON2_DRAMZ           (1 << 2)
+#define SYSCON2_KBWEN           (1 << 3)
+#define SYSCON2_SS2TXEN         (1 << 4)
+#define SYSCON2_PCCARD1         (1 << 5)
+#define SYSCON2_PCCARD2         (1 << 6)
+#define SYSCON2_SS2RXEN         (1 << 7)
+#define SYSCON2_UART2EN         SYSCON_UARTEN
+#define SYSCON2_SS2MAEN         (1 << 9)
+#define SYSCON2_OSTB            (1 << 12)
+#define SYSCON2_CLKENSL         (1 << 13)
+#define SYSCON2_BUZFREQ         (1 << 14)
+
+/* common bits: UARTDR1 / UARTDR2 */
+#define UARTDR_FRMERR           (1 << 8)
+#define UARTDR_PARERR           (1 << 9)
+#define UARTDR_OVERR            (1 << 10)
+
+/* common bits: UBRLCR1 / UBRLCR2 */
+#define UBRLCR_BAUD_MASK        ((1 << 12) - 1)
+#define UBRLCR_BREAK            (1 << 12)
+#define UBRLCR_PRTEN            (1 << 13)
+#define UBRLCR_EVENPRT          (1 << 14)
+#define UBRLCR_XSTOP            (1 << 15)
+#define UBRLCR_FIFOEN           (1 << 16)
+#define UBRLCR_WRDLEN5          (0 << 17)
+#define UBRLCR_WRDLEN6          (1 << 17)
+#define UBRLCR_WRDLEN7          (2 << 17)
+#define UBRLCR_WRDLEN8          (3 << 17)
+#define UBRLCR_WRDLEN_MASK      (3 << 17)
+
+#define SYNCIO_SMCKEN           (1 << 13)
+#define SYNCIO_TXFRMEN          (1 << 14)
+
+#endif /* __ASM_HARDWARE_CLPS7111_H */
diff --git a/arch/arm/include/asm/hardware/cs89712.h b/arch/arm/include/asm/hardware/cs89712.h
new file mode 100644
index 00000000000..f75626933e9
--- /dev/null
+++ b/arch/arm/include/asm/hardware/cs89712.h
@@ -0,0 +1,49 @@
+/*
+ *  arch/arm/include/asm/hardware/cs89712.h
+ *
+ *  This file contains the hardware definitions of the CS89712
+ *  additional internal registers.
+ *
+ *  Copyright (C) 2001 Thomas Gleixner autronix automation <gleixner@autronix.de>
+ *                      
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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 __ASM_HARDWARE_CS89712_H
+#define __ASM_HARDWARE_CS89712_H
+
+/*
+*       CS89712 additional registers
+*/
+                                  
+#define PCDR                    0x0002  /* Port C Data register ---------------------------- */
+#define PCDDR                   0x0042  /* Port C Data Direction register ------------------ */
+#define SDCONF                  0x2300  /* SDRAM Configuration register ---------------------*/
+#define SDRFPR                  0x2340  /* SDRAM Refresh period register --------------------*/
+
+#define SDCONF_ACTIVE           (1 << 10)
+#define SDCONF_CLKCTL           (1 << 9)
+#define SDCONF_WIDTH_4          (0 << 7)
+#define SDCONF_WIDTH_8          (1 << 7)
+#define SDCONF_WIDTH_16         (2 << 7)
+#define SDCONF_WIDTH_32         (3 << 7)
+#define SDCONF_SIZE_16          (0 << 5)
+#define SDCONF_SIZE_64          (1 << 5)
+#define SDCONF_SIZE_128         (2 << 5)
+#define SDCONF_SIZE_256         (3 << 5)
+#define SDCONF_CASLAT_2         (2)
+#define SDCONF_CASLAT_3         (3)
+
+#endif /* __ASM_HARDWARE_CS89712_H */
diff --git a/arch/arm/include/asm/hardware/entry-macro-gic.S b/arch/arm/include/asm/hardware/entry-macro-gic.S
new file mode 100644
index 00000000000..c115b82fe80
--- /dev/null
+++ b/arch/arm/include/asm/hardware/entry-macro-gic.S
@@ -0,0 +1,75 @@
+/*
+ * arch/arm/include/asm/hardware/entry-macro-gic.S
+ *
+ * Low-level IRQ helper macros for GIC
+ *
+ * This file is licensed under  the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <asm/hardware/gic.h>
+
+#ifndef HAVE_GET_IRQNR_PREAMBLE
+        .macro  get_irqnr_preamble, base, tmp
+        ldr     \base, =gic_cpu_base_addr
+        ldr     \base, [\base]
+        .endm
+#endif
+
+/*
+ * The interrupt numbering scheme is defined in the
+ * interrupt controller spec.  To wit:
+ *
+ * Interrupts 0-15 are IPI
+ * 16-28 are reserved
+ * 29-31 are local.  We allow 30 to be used for the watchdog.
+ * 32-1020 are global
+ * 1021-1022 are reserved
+ * 1023 is "spurious" (no interrupt)
+ *
+ * For now, we ignore all local interrupts so only return an interrupt if it's
+ * between 30 and 1020.  The test_for_ipi routine below will pick up on IPIs.
+ *
+ * A simple read from the controller will tell us the number of the highest
+ * priority enabled interrupt.  We then just need to check whether it is in the
+ * valid range for an IRQ (30-1020 inclusive).
+ */
+
+        .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+
+        ldr     \irqstat, [\base, #GIC_CPU_INTACK]
+        /* bits 12-10 = src CPU, 9-0 = int # */
+
+        ldr     \tmp, =1021
+        bic     \irqnr, \irqstat, #0x1c00
+        cmp     \irqnr, #29
+        cmpcc   \irqnr, \irqnr
+        cmpne   \irqnr, \tmp
+        cmpcs   \irqnr, \irqnr
+        .endm
+
+/* We assume that irqstat (the raw value of the IRQ acknowledge
+ * register) is preserved from the macro above.
+ * If there is an IPI, we immediately signal end of interrupt on the
+ * controller, since this requires the original irqstat value which
+ * we won't easily be able to recreate later.
+ */
+
+        .macro test_for_ipi, irqnr, irqstat, base, tmp
+        bic     \irqnr, \irqstat, #0x1c00
+        cmp     \irqnr, #16
+        strcc   \irqstat, [\base, #GIC_CPU_EOI]
+        cmpcs   \irqnr, \irqnr
+        .endm
+
+/* As above, this assumes that irqstat and base are preserved.. */
+
+        .macro test_for_ltirq, irqnr, irqstat, base, tmp
+        bic     \irqnr, \irqstat, #0x1c00
+        mov     \tmp, #0
+        cmp     \irqnr, #29
+        moveq   \tmp, #1
+        streq   \irqstat, [\base, #GIC_CPU_EOI]
+        cmp     \tmp, #0
+        .endm
diff --git a/arch/arm/include/asm/hardware/ep7211.h b/arch/arm/include/asm/hardware/ep7211.h
new file mode 100644
index 00000000000..654d5f625c4
--- /dev/null
+++ b/arch/arm/include/asm/hardware/ep7211.h
@@ -0,0 +1,40 @@
+/*
+ *  arch/arm/include/asm/hardware/ep7211.h
+ *
+ *  This file contains the hardware definitions of the EP7211 internal
+ *  registers.
+ *
+ *  Copyright (C) 2001 Blue Mug, Inc.  All Rights Reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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 __ASM_HARDWARE_EP7211_H
+#define __ASM_HARDWARE_EP7211_H
+
+#include <asm/hardware/clps7111.h>
+
+/*
+ * define EP7211_BASE to be the base address of the region
+ * you want to access.
+ */
+
+#define EP7211_PHYS_BASE        (0x80000000)
+
+/*
+ * XXX miket@bluemug.com: need to introduce EP7211 registers (those not
+ * present in 7212) here.
+ */
+
+#endif /* __ASM_HARDWARE_EP7211_H */
diff --git a/arch/arm/include/asm/hardware/ep7212.h b/arch/arm/include/asm/hardware/ep7212.h
new file mode 100644
index 00000000000..3b43bbeaf1d
--- /dev/null
+++ b/arch/arm/include/asm/hardware/ep7212.h
@@ -0,0 +1,83 @@
+/*
+ *  arch/arm/include/asm/hardware/ep7212.h
+ *
+ *  This file contains the hardware definitions of the EP7212 internal
+ *  registers.
+ *
+ *  Copyright (C) 2000 Deep Blue Solutions Ltd.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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 __ASM_HARDWARE_EP7212_H
+#define __ASM_HARDWARE_EP7212_H
+
+/*
+ * define EP7212_BASE to be the base address of the region
+ * you want to access.
+ */
+
+#define EP7212_PHYS_BASE        (0x80000000)
+
+#ifndef __ASSEMBLY__
+#define ep_readl(off)           __raw_readl(EP7212_BASE + (off))
+#define ep_writel(val,off)      __raw_writel(val, EP7212_BASE + (off))
+#endif
+
+/*
+ * These registers are specific to the EP7212 only
+ */
+#define DAIR                    0x2000
+#define DAIR0                   0x2040
+#define DAIDR1                  0x2080
+#define DAIDR2                  0x20c0
+#define DAISR                   0x2100
+#define SYSCON3                 0x2200
+#define INTSR3                  0x2240
+#define INTMR3                  0x2280
+#define LEDFLSH                 0x22c0
+
+#define DAIR_DAIEN              (1 << 16)
+#define DAIR_ECS                (1 << 17)
+#define DAIR_LCTM               (1 << 19)
+#define DAIR_LCRM               (1 << 20)
+#define DAIR_RCTM               (1 << 21)
+#define DAIR_RCRM               (1 << 22)
+#define DAIR_LBM                (1 << 23)
+
+#define DAIDR2_FIFOEN           (1 << 15)
+#define DAIDR2_FIFOLEFT         (0x0d << 16)
+#define DAIDR2_FIFORIGHT        (0x11 << 16)
+
+#define DAISR_RCTS              (1 << 0)
+#define DAISR_RCRS              (1 << 1)
+#define DAISR_LCTS              (1 << 2)
+#define DAISR_LCRS              (1 << 3)
+#define DAISR_RCTU              (1 << 4)
+#define DAISR_RCRO              (1 << 5)
+#define DAISR_LCTU              (1 << 6)
+#define DAISR_LCRO              (1 << 7)
+#define DAISR_RCNF              (1 << 8)
+#define DAISR_RCNE              (1 << 9)
+#define DAISR_LCNF              (1 << 10)
+#define DAISR_LCNE              (1 << 11)
+#define DAISR_FIFO              (1 << 12)
+
+#define SYSCON3_ADCCON          (1 << 0)
+#define SYSCON3_DAISEL          (1 << 3)
+#define SYSCON3_ADCCKNSEN       (1 << 4)
+#define SYSCON3_FASTWAKE        (1 << 8)
+#define SYSCON3_DAIEN           (1 << 9)
+
+#endif /* __ASM_HARDWARE_EP7212_H */
diff --git a/arch/arm/include/asm/hardware/linkup-l1110.h b/arch/arm/include/asm/hardware/linkup-l1110.h
new file mode 100644
index 00000000000..7ec91168a57
--- /dev/null
+++ b/arch/arm/include/asm/hardware/linkup-l1110.h
@@ -0,0 +1,48 @@
+/*
+*
+* Definitions for H3600 Handheld Computer
+*
+* Copyright 2001 Compaq Computer Corporation.
+*
+* Use consistent with the GNU GPL is permitted,
+* provided that this copyright notice is
+* preserved in its entirety in all copies and derived works.
+*
+* COMPAQ COMPUTER CORPORATION MAKES NO WARRANTIES, EXPRESSED OR IMPLIED,
+* AS TO THE USEFULNESS OR CORRECTNESS OF THIS CODE OR ITS
+* FITNESS FOR ANY PARTICULAR PURPOSE.
+*
+* Author: Jamey Hicks.
+*
+*/
+
+/* LinkUp Systems PCCard/CompactFlash Interface for SA-1100 */
+
+/* PC Card Status Register */
+#define LINKUP_PRS_S1   (1 << 0) /* voltage control bits S1-S4 */
+#define LINKUP_PRS_S2   (1 << 1)
+#define LINKUP_PRS_S3   (1 << 2)
+#define LINKUP_PRS_S4   (1 << 3)
+#define LINKUP_PRS_BVD1 (1 << 4)
+#define LINKUP_PRS_BVD2 (1 << 5)
+#define LINKUP_PRS_VS1  (1 << 6)
+#define LINKUP_PRS_VS2  (1 << 7)
+#define LINKUP_PRS_RDY  (1 << 8)
+#define LINKUP_PRS_CD1  (1 << 9)
+#define LINKUP_PRS_CD2  (1 << 10)
+
+/* PC Card Command Register */
+#define LINKUP_PRC_S1   (1 << 0)
+#define LINKUP_PRC_S2   (1 << 1)
+#define LINKUP_PRC_S3   (1 << 2)
+#define LINKUP_PRC_S4   (1 << 3)
+#define LINKUP_PRC_RESET (1 << 4)
+#define LINKUP_PRC_APOE (1 << 5) /* Auto Power Off Enable: clears S1-S4 when either nCD goes high */
+#define LINKUP_PRC_CFE  (1 << 6) /* CompactFlash mode Enable: addresses A[10:0] only, A[25:11] high */
+#define LINKUP_PRC_SOE  (1 << 7) /* signal output driver enable */
+#define LINKUP_PRC_SSP  (1 << 8) /* sock select polarity: 0 for socket 0, 1 for socket 1 */
+#define LINKUP_PRC_MBZ  (1 << 15) /* must be zero */
+
+struct linkup_l1110 {
+        volatile short prc;
+};
diff --git a/arch/arm/include/asm/hardware/pl330.h b/arch/arm/include/asm/hardware/pl330.h
new file mode 100644
index 00000000000..575fa8186ca
--- /dev/null
+++ b/arch/arm/include/asm/hardware/pl330.h
@@ -0,0 +1,217 @@
+/* linux/include/asm/hardware/pl330.h
+ *
+ * Copyright (C) 2010 Samsung Electronics Co. Ltd.
+ *      Jaswinder Singh <jassi.brar@samsung.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef __PL330_CORE_H
+#define __PL330_CORE_H
+
+#define PL330_MAX_CHAN          8
+#define PL330_MAX_IRQS          32
+#define PL330_MAX_PERI          32
+
+enum pl330_srccachectrl {
+        SCCTRL0 = 0, /* Noncacheable and nonbufferable */
+        SCCTRL1, /* Bufferable only */
+        SCCTRL2, /* Cacheable, but do not allocate */
+        SCCTRL3, /* Cacheable and bufferable, but do not allocate */
+        SINVALID1,
+        SINVALID2,
+        SCCTRL6, /* Cacheable write-through, allocate on reads only */
+        SCCTRL7, /* Cacheable write-back, allocate on reads only */
+};
+
+enum pl330_dstcachectrl {
+        DCCTRL0 = 0, /* Noncacheable and nonbufferable */
+        DCCTRL1, /* Bufferable only */
+        DCCTRL2, /* Cacheable, but do not allocate */
+        DCCTRL3, /* Cacheable and bufferable, but do not allocate */
+        DINVALID1 = 8,
+        DINVALID2,
+        DCCTRL6, /* Cacheable write-through, allocate on writes only */
+        DCCTRL7, /* Cacheable write-back, allocate on writes only */
+};
+
+/* Populated by the PL330 core driver for DMA API driver's info */
+struct pl330_config {
+        u32     periph_id;
+        u32     pcell_id;
+#define DMAC_MODE_NS    (1 << 0)
+        unsigned int    mode;
+        unsigned int    data_bus_width:10; /* In number of bits */
+        unsigned int    data_buf_dep:10;
+        unsigned int    num_chan:4;
+        unsigned int    num_peri:6;
+        u32             peri_ns;
+        unsigned int    num_events:6;
+        u32             irq_ns;
+};
+
+/* Handle to the DMAC provided to the PL330 core */
+struct pl330_info {
+        /* Owning device */
+        struct device *dev;
+        /* Size of MicroCode buffers for each channel. */
+        unsigned mcbufsz;
+        /* ioremap'ed address of PL330 registers. */
+        void __iomem    *base;
+        /* Client can freely use it. */
+        void    *client_data;
+        /* PL330 core data, Client must not touch it. */
+        void    *pl330_data;
+        /* Populated by the PL330 core driver during pl330_add */
+        struct pl330_config     pcfg;
+        /*
+         * If the DMAC has some reset mechanism, then the
+         * client may want to provide pointer to the method.
+         */
+        void (*dmac_reset)(struct pl330_info *pi);
+};
+
+enum pl330_byteswap {
+        SWAP_NO = 0,
+        SWAP_2,
+        SWAP_4,
+        SWAP_8,
+        SWAP_16,
+};
+
+/**
+ * Request Configuration.
+ * The PL330 core does not modify this and uses the last
+ * working configuration if the request doesn't provide any.
+ *
+ * The Client may want to provide this info only for the
+ * first request and a request with new settings.
+ */
+struct pl330_reqcfg {
+        /* Address Incrementing */
+        unsigned dst_inc:1;
+        unsigned src_inc:1;
+
+        /*
+         * For now, the SRC & DST protection levels
+         * and burst size/length are assumed same.
+         */
+        bool nonsecure;
+        bool privileged;
+        bool insnaccess;
+        unsigned brst_len:5;
+        unsigned brst_size:3; /* in power of 2 */
+
+        enum pl330_dstcachectrl dcctl;
+        enum pl330_srccachectrl scctl;
+        enum pl330_byteswap swap;
+};
+
+/*
+ * One cycle of DMAC operation.
+ * There may be more than one xfer in a request.
+ */
+struct pl330_xfer {
+        u32 src_addr;
+        u32 dst_addr;
+        /* Size to xfer */
+        u32 bytes;
+        /*
+         * Pointer to next xfer in the list.
+         * The last xfer in the req must point to NULL.
+         */
+        struct pl330_xfer *next;
+};
+
+/* The xfer callbacks are made with one of these arguments. */
+enum pl330_op_err {
+        /* The all xfers in the request were success. */
+        PL330_ERR_NONE,
+        /* If req aborted due to global error. */
+        PL330_ERR_ABORT,
+        /* If req failed due to problem with Channel. */
+        PL330_ERR_FAIL,
+};
+
+enum pl330_reqtype {
+        MEMTOMEM,
+        MEMTODEV,
+        DEVTOMEM,
+        DEVTODEV,
+};
+
+/* A request defining Scatter-Gather List ending with NULL xfer. */
+struct pl330_req {
+        enum pl330_reqtype rqtype;
+        /* Index of peripheral for the xfer. */
+        unsigned peri:5;
+        /* Unique token for this xfer, set by the client. */
+        void *token;
+        /* Callback to be called after xfer. */
+        void (*xfer_cb)(void *token, enum pl330_op_err err);
+        /* If NULL, req will be done at last set parameters. */
+        struct pl330_reqcfg *cfg;
+        /* Pointer to first xfer in the request. */
+        struct pl330_xfer *x;
+};
+
+/*
+ * To know the status of the channel and DMAC, the client
+ * provides a pointer to this structure. The PL330 core
+ * fills it with current information.
+ */
+struct pl330_chanstatus {
+        /*
+         * If the DMAC engine halted due to some error,
+         * the client should remove-add DMAC.
+         */
+        bool dmac_halted;
+        /*
+         * If channel is halted due to some error,
+         * the client should ABORT/FLUSH and START the channel.
+         */
+        bool faulting;
+        /* Location of last load */
+        u32 src_addr;
+        /* Location of last store */
+        u32 dst_addr;
+        /*
+         * Pointer to the currently active req, NULL if channel is
+         * inactive, even though the requests may be present.
+         */
+        struct pl330_req *top_req;
+        /* Pointer to req waiting second in the queue if any. */
+        struct pl330_req *wait_req;
+};
+
+enum pl330_chan_op {
+        /* Start the channel */
+        PL330_OP_START,
+        /* Abort the active xfer */
+        PL330_OP_ABORT,
+        /* Stop xfer and flush queue */
+        PL330_OP_FLUSH,
+};
+
+extern int pl330_add(struct pl330_info *);
+extern void pl330_del(struct pl330_info *pi);
+extern int pl330_update(const struct pl330_info *pi);
+extern void pl330_release_channel(void *ch_id);
+extern void *pl330_request_channel(const struct pl330_info *pi);
+extern int pl330_chan_status(void *ch_id, struct pl330_chanstatus *pstatus);
+extern int pl330_chan_ctrl(void *ch_id, enum pl330_chan_op op);
+extern int pl330_submit_req(void *ch_id, struct pl330_req *r);
+
+#endif  /* __PL330_CORE_H */
diff --git a/arch/arm/include/asm/hardware/uengine.h b/arch/arm/include/asm/hardware/uengine.h
new file mode 100644
index 00000000000..b442d65c659
--- /dev/null
+++ b/arch/arm/include/asm/hardware/uengine.h
@@ -0,0 +1,62 @@
+/*
+ * Generic library functions for the microengines found on the Intel
+ * IXP2000 series of network processors.
+ *
+ * Copyright (C) 2004, 2005 Lennert Buytenhek <buytenh@wantstofly.org>
+ * Dedicated to Marija Kulikova.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of the
+ * License, or (at your option) any later version.
+ */
+
+#ifndef __IXP2000_UENGINE_H
+#define __IXP2000_UENGINE_H
+
+extern u32 ixp2000_uengine_mask;
+
+struct ixp2000_uengine_code
+{
+        u32     cpu_model_bitmask;
+        u8      cpu_min_revision;
+        u8      cpu_max_revision;
+
+        u32     uengine_parameters;
+
+        struct ixp2000_reg_value {
+                int     reg;
+                u32     value;
+        } *initial_reg_values;
+
+        int     num_insns;
+        u8      *insns;
+};
+
+u32 ixp2000_uengine_csr_read(int uengine, int offset);
+void ixp2000_uengine_csr_write(int uengine, int offset, u32 value);
+void ixp2000_uengine_reset(u32 uengine_mask);
+void ixp2000_uengine_set_mode(int uengine, u32 mode);
+void ixp2000_uengine_load_microcode(int uengine, u8 *ucode, int insns);
+void ixp2000_uengine_init_context(int uengine, int context, int pc);
+void ixp2000_uengine_start_contexts(int uengine, u8 ctx_mask);
+void ixp2000_uengine_stop_contexts(int uengine, u8 ctx_mask);
+int ixp2000_uengine_load(int uengine, struct ixp2000_uengine_code *c);
+
+#define IXP2000_UENGINE_8_CONTEXTS              0x00000000
+#define IXP2000_UENGINE_4_CONTEXTS              0x80000000
+#define IXP2000_UENGINE_PRN_UPDATE_EVERY        0x40000000
+#define IXP2000_UENGINE_PRN_UPDATE_ON_ACCESS    0x00000000
+#define IXP2000_UENGINE_NN_FROM_SELF            0x00100000
+#define IXP2000_UENGINE_NN_FROM_PREVIOUS        0x00000000
+#define IXP2000_UENGINE_ASSERT_EMPTY_AT_3       0x000c0000
+#define IXP2000_UENGINE_ASSERT_EMPTY_AT_2       0x00080000
+#define IXP2000_UENGINE_ASSERT_EMPTY_AT_1       0x00040000
+#define IXP2000_UENGINE_ASSERT_EMPTY_AT_0       0x00000000
+#define IXP2000_UENGINE_LM_ADDR1_GLOBAL         0x00020000
+#define IXP2000_UENGINE_LM_ADDR1_PER_CONTEXT    0x00000000
+#define IXP2000_UENGINE_LM_ADDR0_GLOBAL         0x00010000
+#define IXP2000_UENGINE_LM_ADDR0_PER_CONTEXT    0x00000000
+
+
+#endif