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-rw-r--r--include/asm-arm/arch-davinci/common.h19
-rw-r--r--include/asm-arm/arch-davinci/debug-macro.S21
-rw-r--r--include/asm-arm/arch-davinci/dma.h16
-rw-r--r--include/asm-arm/arch-davinci/entry-macro.S32
-rw-r--r--include/asm-arm/arch-davinci/hardware.h14
-rw-r--r--include/asm-arm/arch-davinci/io.h79
-rw-r--r--include/asm-arm/arch-davinci/irqs.h105
-rw-r--r--include/asm-arm/arch-davinci/memory.h64
-rw-r--r--include/asm-arm/arch-davinci/psc.h76
-rw-r--r--include/asm-arm/arch-davinci/serial.h20
-rw-r--r--include/asm-arm/arch-davinci/system.h29
-rw-r--r--include/asm-arm/arch-davinci/timex.h17
-rw-r--r--include/asm-arm/arch-davinci/uncompress.h35
-rw-r--r--include/asm-arm/arch-davinci/vmalloc.h15
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))