14 files changed, 542 insertions, 0 deletions

diff --git a/include/asm-arm/arch-davinci/common.h b/include/asm-arm/arch-davinci/common.h
new file mode 100644
index 000000000000..a97dfbb15e57
--- /dev/null
+++ b/include/asm-arm/arch-davinci/common.h
@@ -0,0 +1,19 @@
+/*
+ * Header for code common to all DaVinci machines.
+ *
+ * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
+ *
+ * 2007 (c) MontaVista Software, Inc. 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.
+ */
+
+#ifndef __ARCH_ARM_MACH_DAVINCI_COMMON_H
+#define __ARCH_ARM_MACH_DAVINCI_COMMON_H
+
+struct sys_timer;
+
+extern struct sys_timer davinci_timer;
+
+#endif /* __ARCH_ARM_MACH_DAVINCI_COMMON_H */
diff --git a/include/asm-arm/arch-davinci/debug-macro.S b/include/asm-arm/arch-davinci/debug-macro.S
new file mode 100644
index 000000000000..e6c0f0d5d062
--- /dev/null
+++ b/include/asm-arm/arch-davinci/debug-macro.S
@@ -0,0 +1,21 @@
+/*
+ * Debugging macro for DaVinci
+ *
+ * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
+ *
+ * 2007 (c) MontaVista Software, Inc. 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.
+ */
+
+                .macro addruart, rx
+                mrc     p15, 0, \rx, c1, c0
+                tst     \rx, #1                 @ MMU enabled?
+                moveq   \rx, #0x01000000        @ physical base address
+                movne   \rx, #0xfe000000        @ virtual base
+                orr     \rx, \rx, #0x00c20000   @ UART 0
+                .endm
+
+#define UART_SHIFT      2
+#include <asm/hardware/debug-8250.S>
diff --git a/include/asm-arm/arch-davinci/dma.h b/include/asm-arm/arch-davinci/dma.h
new file mode 100644
index 000000000000..8e2f2d0ba667
--- /dev/null
+++ b/include/asm-arm/arch-davinci/dma.h
@@ -0,0 +1,16 @@
+/*
+ * DaVinci DMA definitions
+ *
+ * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
+ *
+ * 2007 (c) MontaVista Software, Inc. 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.
+ */
+#ifndef __ASM_ARCH_DMA_H
+#define __ASM_ARCH_DMA_H
+
+#define MAX_DMA_ADDRESS                 0xffffffff
+
+#endif /* __ASM_ARCH_DMA_H */
diff --git a/include/asm-arm/arch-davinci/entry-macro.S b/include/asm-arm/arch-davinci/entry-macro.S
new file mode 100644
index 000000000000..3ebfcc5cb58e
--- /dev/null
+++ b/include/asm-arm/arch-davinci/entry-macro.S
@@ -0,0 +1,32 @@
+/*
+ * Low-level IRQ helper macros for TI DaVinci-based platforms
+ *
+ * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
+ *
+ * 2007 (c) MontaVista Software, Inc. 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/arch/io.h>
+#include <asm/arch/irqs.h>
+
+                .macro  disable_fiq
+                .endm
+
+                .macro  get_irqnr_preamble, base, tmp
+                ldr \base, =IO_ADDRESS(DAVINCI_ARM_INTC_BASE)
+                .endm
+
+                .macro  arch_ret_to_user, tmp1, tmp2
+                .endm
+
+                .macro  get_irqnr_and_base, irqnr, irqstat, base, tmp
+                ldr \tmp, [\base, #0x14]
+                mov \tmp, \tmp, lsr #2
+                sub \irqnr, \tmp, #1
+                cmp \tmp, #0
+                .endm
+
+                .macro  irq_prio_table
+                .endm
diff --git a/include/asm-arm/arch-davinci/hardware.h b/include/asm-arm/arch-davinci/hardware.h
new file mode 100644
index 000000000000..60362d80229e
--- /dev/null
+++ b/include/asm-arm/arch-davinci/hardware.h
@@ -0,0 +1,14 @@
+/*
+ * Common hardware definitions
+ *
+ * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
+ *
+ * 2007 (c) MontaVista Software, Inc. 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.
+ */
+#ifndef __ASM_ARCH_HARDWARE_H
+#define __ASM_ARCH_HARDWARE_H
+
+#endif /* __ASM_ARCH_HARDWARE_H */
diff --git a/include/asm-arm/arch-davinci/io.h b/include/asm-arm/arch-davinci/io.h
new file mode 100644
index 000000000000..e7accb910864
--- /dev/null
+++ b/include/asm-arm/arch-davinci/io.h
@@ -0,0 +1,79 @@
+/*
+ * DaVinci IO address definitions
+ *
+ * Copied from include/asm/arm/arch-omap/io.h
+ *
+ * 2007 (c) MontaVista Software, Inc. 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.
+ */
+#ifndef __ASM_ARCH_IO_H
+#define __ASM_ARCH_IO_H
+
+#define IO_SPACE_LIMIT 0xffffffff
+
+/*
+ * ----------------------------------------------------------------------------
+ * I/O mapping
+ * ----------------------------------------------------------------------------
+ */
+#define IO_PHYS         0x01c00000
+#define IO_OFFSET       0xfd000000 /* Virtual IO = 0xfec00000 */
+#define IO_SIZE         0x00400000
+#define IO_VIRT         (IO_PHYS + IO_OFFSET)
+#define io_p2v(pa)      ((pa) + IO_OFFSET)
+#define io_v2p(va)      ((va) - IO_OFFSET)
+#define IO_ADDRESS(x)   io_p2v(x)
+
+/*
+ * We don't actually have real ISA nor PCI buses, but there is so many
+ * drivers out there that might just work if we fake them...
+ */
+#define PCIO_BASE               0
+#define __io(a)                 ((void __iomem *)(PCIO_BASE + (a)))
+#define __mem_pci(a)            (a)
+#define __mem_isa(a)            (a)
+
+#ifndef __ASSEMBLER__
+
+/*
+ * Functions to access the DaVinci IO region
+ *
+ * NOTE: - Use davinci_read/write[bwl] for physical register addresses
+ *       - Use __raw_read/write[bwl]() for virtual register addresses
+ *       - Use IO_ADDRESS(phys_addr) to convert registers to virtual addresses
+ *       - DO NOT use hardcoded virtual addresses to allow changing the
+ *         IO address space again if needed
+ */
+#define davinci_readb(a)        (*(volatile unsigned char  *)IO_ADDRESS(a))
+#define davinci_readw(a)        (*(volatile unsigned short *)IO_ADDRESS(a))
+#define davinci_readl(a)        (*(volatile unsigned int   *)IO_ADDRESS(a))
+
+#define davinci_writeb(v,a)     (*(volatile unsigned char  *)IO_ADDRESS(a) = (v))
+#define davinci_writew(v,a)     (*(volatile unsigned short *)IO_ADDRESS(a) = (v))
+#define davinci_writel(v,a)     (*(volatile unsigned int   *)IO_ADDRESS(a) = (v))
+
+/* 16 bit uses LDRH/STRH, base +/- offset_8 */
+typedef struct { volatile u16 offset[256]; } __regbase16;
+#define __REGV16(vaddr)         ((__regbase16 *)((vaddr)&~0xff)) \
+                                        ->offset[((vaddr)&0xff)>>1]
+#define __REG16(paddr)          __REGV16(io_p2v(paddr))
+
+/* 8/32 bit uses LDR/STR, base +/- offset_12 */
+typedef struct { volatile u8 offset[4096]; } __regbase8;
+#define __REGV8(vaddr)          ((__regbase8  *)((vaddr)&~4095)) \
+                                        ->offset[((vaddr)&4095)>>0]
+#define __REG8(paddr)           __REGV8(io_p2v(paddr))
+
+typedef struct { volatile u32 offset[4096]; } __regbase32;
+#define __REGV32(vaddr)         ((__regbase32 *)((vaddr)&~4095)) \
+                                        ->offset[((vaddr)&4095)>>2]
+
+#define __REG(paddr)            __REGV32(io_p2v(paddr))
+#else
+
+#define __REG(x)        (*((volatile unsigned long *)io_p2v(x)))
+
+#endif /* __ASSEMBLER__ */
+#endif /* __ASM_ARCH_IO_H */
diff --git a/include/asm-arm/arch-davinci/irqs.h b/include/asm-arm/arch-davinci/irqs.h
new file mode 100644
index 000000000000..f4c5ca6da9f4
--- /dev/null
+++ b/include/asm-arm/arch-davinci/irqs.h
@@ -0,0 +1,105 @@
+/*
+ * DaVinci interrupt controller definitions
+ *
+ *  Copyright (C) 2006 Texas Instruments.
+ *
+ *  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  SOFTWARE  IS PROVIDED   ``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   THE AUTHOR  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.
+ *
+ *  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 __ASM_ARCH_IRQS_H
+#define __ASM_ARCH_IRQS_H
+
+/* Base address */
+#define DAVINCI_ARM_INTC_BASE 0x01C48000
+
+/* Interrupt lines */
+#define IRQ_VDINT0       0
+#define IRQ_VDINT1       1
+#define IRQ_VDINT2       2
+#define IRQ_HISTINT      3
+#define IRQ_H3AINT       4
+#define IRQ_PRVUINT      5
+#define IRQ_RSZINT       6
+#define IRQ_VFOCINT      7
+#define IRQ_VENCINT      8
+#define IRQ_ASQINT       9
+#define IRQ_IMXINT       10
+#define IRQ_VLCDINT      11
+#define IRQ_USBINT       12
+#define IRQ_EMACINT      13
+
+#define IRQ_CCINT0       16
+#define IRQ_CCERRINT     17
+#define IRQ_TCERRINT0    18
+#define IRQ_TCERRINT     19
+#define IRQ_PSCIN        20
+
+#define IRQ_IDE          22
+#define IRQ_HPIINT       23
+#define IRQ_MBXINT       24
+#define IRQ_MBRINT       25
+#define IRQ_MMCINT       26
+#define IRQ_SDIOINT      27
+#define IRQ_MSINT        28
+#define IRQ_DDRINT       29
+#define IRQ_AEMIFINT     30
+#define IRQ_VLQINT       31
+#define IRQ_TINT0_TINT12 32
+#define IRQ_TINT0_TINT34 33
+#define IRQ_TINT1_TINT12 34
+#define IRQ_TINT1_TINT34 35
+#define IRQ_PWMINT0      36
+#define IRQ_PWMINT1      37
+#define IRQ_PWMINT2      38
+#define IRQ_I2C          39
+#define IRQ_UARTINT0     40
+#define IRQ_UARTINT1     41
+#define IRQ_UARTINT2     42
+#define IRQ_SPINT0       43
+#define IRQ_SPINT1       44
+
+#define IRQ_DSP2ARM0     46
+#define IRQ_DSP2ARM1     47
+#define IRQ_GPIO0        48
+#define IRQ_GPIO1        49
+#define IRQ_GPIO2        50
+#define IRQ_GPIO3        51
+#define IRQ_GPIO4        52
+#define IRQ_GPIO5        53
+#define IRQ_GPIO6        54
+#define IRQ_GPIO7        55
+#define IRQ_GPIOBNK0     56
+#define IRQ_GPIOBNK1     57
+#define IRQ_GPIOBNK2     58
+#define IRQ_GPIOBNK3     59
+#define IRQ_GPIOBNK4     60
+#define IRQ_COMMTX       61
+#define IRQ_COMMRX       62
+#define IRQ_EMUINT       63
+
+#define DAVINCI_N_AINTC_IRQ     64
+#define DAVINCI_N_GPIO          71
+
+#define NR_IRQS                 (DAVINCI_N_AINTC_IRQ + DAVINCI_N_GPIO)
+
+#define ARCH_TIMER_IRQ IRQ_TINT1_TINT34
+
+#endif /* __ASM_ARCH_IRQS_H */
diff --git a/include/asm-arm/arch-davinci/memory.h b/include/asm-arm/arch-davinci/memory.h
new file mode 100644
index 000000000000..dd1625c23cf4
--- /dev/null
+++ b/include/asm-arm/arch-davinci/memory.h
@@ -0,0 +1,64 @@
+/*
+ * DaVinci memory space definitions
+ *
+ * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
+ *
+ * 2007 (c) MontaVista Software, Inc. 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.
+ */
+#ifndef __ASM_ARCH_MEMORY_H
+#define __ASM_ARCH_MEMORY_H
+
+/**************************************************************************
+ * Included Files
+ **************************************************************************/
+#include <asm/page.h>
+#include <asm/sizes.h>
+
+/**************************************************************************
+ * Definitions
+ **************************************************************************/
+#define DAVINCI_DDR_BASE    0x80000000
+#define DAVINCI_IRAM_BASE   0x00008000 /* ARM Internal RAM */
+
+#define PHYS_OFFSET DAVINCI_DDR_BASE
+
+/*
+ * Increase size of DMA-consistent memory region
+ */
+#define CONSISTENT_DMA_SIZE (14<<20)
+
+#ifndef __ASSEMBLY__
+/*
+ * Restrict DMA-able region to workaround silicon bug.  The bug
+ * restricts buffers available for DMA to video hardware to be
+ * below 128M
+ */
+static inline void
+__arch_adjust_zones(int node, unsigned long *size, unsigned long *holes)
+{
+        unsigned int sz = (128<<20) >> PAGE_SHIFT;
+
+        if (node != 0)
+                sz = 0;
+
+        size[1] = size[0] - sz;
+        size[0] = sz;
+}
+
+#define arch_adjust_zones(node, zone_size, holes) \
+        if ((meminfo.bank[0].size >> 20) > 128) __arch_adjust_zones(node, zone_size, holes)
+
+#define ISA_DMA_THRESHOLD       (PHYS_OFFSET + (128<<20) - 1)
+
+#endif
+
+/*
+ * Bus address is physical address
+ */
+#define __virt_to_bus(x)        __virt_to_phys(x)
+#define __bus_to_virt(x)        __phys_to_virt(x)
+
+#endif /* __ASM_ARCH_MEMORY_H */
diff --git a/include/asm-arm/arch-davinci/psc.h b/include/asm-arm/arch-davinci/psc.h
new file mode 100644
index 000000000000..4977aa071e1e
--- /dev/null
+++ b/include/asm-arm/arch-davinci/psc.h
@@ -0,0 +1,76 @@
+/*
+ *  DaVinci Power & Sleep Controller (PSC) defines
+ *
+ *  Copyright (C) 2006 Texas Instruments.
+ *
+ *  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  SOFTWARE  IS PROVIDED   ``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   THE AUTHOR  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.
+ *
+ *  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 __ASM_ARCH_PSC_H
+#define __ASM_ARCH_PSC_H
+
+/* Power and Sleep Controller (PSC) Domains */
+#define DAVINCI_GPSC_ARMDOMAIN      0
+#define DAVINCI_GPSC_DSPDOMAIN      1
+
+#define DAVINCI_LPSC_VPSSMSTR       0
+#define DAVINCI_LPSC_VPSSSLV        1
+#define DAVINCI_LPSC_TPCC           2
+#define DAVINCI_LPSC_TPTC0          3
+#define DAVINCI_LPSC_TPTC1          4
+#define DAVINCI_LPSC_EMAC           5
+#define DAVINCI_LPSC_EMAC_WRAPPER   6
+#define DAVINCI_LPSC_MDIO           7
+#define DAVINCI_LPSC_IEEE1394       8
+#define DAVINCI_LPSC_USB            9
+#define DAVINCI_LPSC_ATA            10
+#define DAVINCI_LPSC_VLYNQ          11
+#define DAVINCI_LPSC_UHPI           12
+#define DAVINCI_LPSC_DDR_EMIF       13
+#define DAVINCI_LPSC_AEMIF          14
+#define DAVINCI_LPSC_MMC_SD         15
+#define DAVINCI_LPSC_MEMSTICK       16
+#define DAVINCI_LPSC_McBSP          17
+#define DAVINCI_LPSC_I2C            18
+#define DAVINCI_LPSC_UART0          19
+#define DAVINCI_LPSC_UART1          20
+#define DAVINCI_LPSC_UART2          21
+#define DAVINCI_LPSC_SPI            22
+#define DAVINCI_LPSC_PWM0           23
+#define DAVINCI_LPSC_PWM1           24
+#define DAVINCI_LPSC_PWM2           25
+#define DAVINCI_LPSC_GPIO           26
+#define DAVINCI_LPSC_TIMER0         27
+#define DAVINCI_LPSC_TIMER1         28
+#define DAVINCI_LPSC_TIMER2         29
+#define DAVINCI_LPSC_SYSTEM_SUBSYS  30
+#define DAVINCI_LPSC_ARM            31
+#define DAVINCI_LPSC_SCR2           32
+#define DAVINCI_LPSC_SCR3           33
+#define DAVINCI_LPSC_SCR4           34
+#define DAVINCI_LPSC_CROSSBAR       35
+#define DAVINCI_LPSC_CFG27          36
+#define DAVINCI_LPSC_CFG3           37
+#define DAVINCI_LPSC_CFG5           38
+#define DAVINCI_LPSC_GEM            39
+#define DAVINCI_LPSC_IMCOP          40
+
+#endif /* __ASM_ARCH_PSC_H */
diff --git a/include/asm-arm/arch-davinci/serial.h b/include/asm-arm/arch-davinci/serial.h
new file mode 100644
index 000000000000..ed418ef76805
--- /dev/null
+++ b/include/asm-arm/arch-davinci/serial.h
@@ -0,0 +1,20 @@
+/*
+ * DaVinci serial device definitions
+ *
+ * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
+ *
+ * 2007 (c) MontaVista Software, Inc. 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.
+ */
+#ifndef __ASM_ARCH_SERIAL_H
+#define __ASM_ARCH_SERIAL_H
+
+#include <asm/arch/io.h>
+
+#define DAVINCI_UART0_BASE   (IO_PHYS + 0x20000)
+#define DAVINCI_UART1_BASE   (IO_PHYS + 0x20400)
+#define DAVINCI_UART2_BASE   (IO_PHYS + 0x20800)
+
+#endif /* __ASM_ARCH_SERIAL_H */
diff --git a/include/asm-arm/arch-davinci/system.h b/include/asm-arm/arch-davinci/system.h
new file mode 100644
index 000000000000..440ac515804b
--- /dev/null
+++ b/include/asm-arm/arch-davinci/system.h
@@ -0,0 +1,29 @@
+/*
+ * DaVinci system defines
+ *
+ * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
+ *
+ * 2007 (c) MontaVista Software, Inc. 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.
+ */
+#ifndef __ASM_ARCH_SYSTEM_H
+#define __ASM_ARCH_SYSTEM_H
+
+#include <asm/io.h>
+#include <asm/hardware.h>
+
+extern void davinci_watchdog_reset(void);
+
+static void arch_idle(void)
+{
+        cpu_do_idle();
+}
+
+static void arch_reset(char mode)
+{
+        davinci_watchdog_reset();
+}
+
+#endif /* __ASM_ARCH_SYSTEM_H */
diff --git a/include/asm-arm/arch-davinci/timex.h b/include/asm-arm/arch-davinci/timex.h
new file mode 100644
index 000000000000..52827567841d
--- /dev/null
+++ b/include/asm-arm/arch-davinci/timex.h
@@ -0,0 +1,17 @@
+/*
+ * DaVinci timer defines
+ *
+ * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
+ *
+ * 2007 (c) MontaVista Software, Inc. 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.
+ */
+#ifndef __ASM_ARCH_TIMEX_H
+#define __ASM_ARCH_TIMEX_H
+
+/* The source frequency for the timers is the 27MHz clock */
+#define CLOCK_TICK_RATE 27000000
+
+#endif /* __ASM_ARCH_TIMEX_H__ */
diff --git a/include/asm-arm/arch-davinci/uncompress.h b/include/asm-arm/arch-davinci/uncompress.h
new file mode 100644
index 000000000000..f6d1570f7206
--- /dev/null
+++ b/include/asm-arm/arch-davinci/uncompress.h
@@ -0,0 +1,35 @@
+/*
+ * Serial port stubs for kernel decompress status messages
+ *
+ *  Author:     Anant Gole
+ * (C) Copyright (C) 2006, Texas Instruments, Inc
+ *
+ * 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 <linux/types.h>
+#include <linux/serial_reg.h>
+#include <asm/arch/serial.h>
+
+/* PORT_16C550A, in polled non-fifo mode */
+
+static void putc(char c)
+{
+        volatile u32 *uart = (volatile void *) DAVINCI_UART0_BASE;
+
+        while (!(uart[UART_LSR] & UART_LSR_THRE))
+                barrier();
+        uart[UART_TX] = c;
+}
+
+static inline void flush(void)
+{
+        volatile u32 *uart = (volatile void *) DAVINCI_UART0_BASE;
+        while (!(uart[UART_LSR] & UART_LSR_THRE))
+                barrier();
+}
+
+#define arch_decomp_setup()
+#define arch_decomp_wdog()
diff --git a/include/asm-arm/arch-davinci/vmalloc.h b/include/asm-arm/arch-davinci/vmalloc.h
new file mode 100644
index 000000000000..9b47fa89b333
--- /dev/null
+++ b/include/asm-arm/arch-davinci/vmalloc.h
@@ -0,0 +1,15 @@
+/*
+ * DaVinci vmalloc definitions
+ *
+ * Author: Kevin Hilman, MontaVista Software, Inc. <source@mvista.com>
+ *
+ * 2007 (c) MontaVista Software, Inc. 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/memory.h>
+#include <asm/arch/io.h>
+
+/* Allow vmalloc range until the IO virtual range minus a 2M "hole" */
+#define VMALLOC_END       (IO_VIRT - (2<<20))