diff options
Diffstat (limited to 'include')
59 files changed, 2025 insertions, 34 deletions
diff --git a/include/asm-arm/arch-at91/at91sam9rl.h b/include/asm-arm/arch-at91/at91sam9rl.h new file mode 100644 index 00000000000..8a9708a370c --- /dev/null +++ b/include/asm-arm/arch-at91/at91sam9rl.h @@ -0,0 +1,110 @@ +/* + * include/asm-arm/arch-at91/at91sam9260.h + * + * Copyright (C) 2007 Atmel Corporation + * + * Common definitions. + * Based on AT91SAM9RL datasheet revision A. (Preliminary) + * + * 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. + */ + +#ifndef AT91SAM9RL_H +#define AT91SAM9RL_H + +/* + * Peripheral identifiers/interrupts. + */ +#define AT91_ID_FIQ 0 /* Advanced Interrupt Controller (FIQ) */ +#define AT91_ID_SYS 1 /* System Controller */ +#define AT91SAM9RL_ID_PIOA 2 /* Parallel IO Controller A */ +#define AT91SAM9RL_ID_PIOB 3 /* Parallel IO Controller B */ +#define AT91SAM9RL_ID_PIOC 4 /* Parallel IO Controller C */ +#define AT91SAM9RL_ID_PIOD 5 /* Parallel IO Controller D */ +#define AT91SAM9RL_ID_US0 6 /* USART 0 */ +#define AT91SAM9RL_ID_US1 7 /* USART 1 */ +#define AT91SAM9RL_ID_US2 8 /* USART 2 */ +#define AT91SAM9RL_ID_US3 9 /* USART 3 */ +#define AT91SAM9RL_ID_MCI 10 /* Multimedia Card Interface */ +#define AT91SAM9RL_ID_TWI0 11 /* TWI 0 */ +#define AT91SAM9RL_ID_TWI1 12 /* TWI 1 */ +#define AT91SAM9RL_ID_SPI 13 /* Serial Peripheral Interface */ +#define AT91SAM9RL_ID_SSC0 14 /* Serial Synchronous Controller 0 */ +#define AT91SAM9RL_ID_SSC1 15 /* Serial Synchronous Controller 1 */ +#define AT91SAM9RL_ID_TC0 16 /* Timer Counter 0 */ +#define AT91SAM9RL_ID_TC1 17 /* Timer Counter 1 */ +#define AT91SAM9RL_ID_TC2 18 /* Timer Counter 2 */ +#define AT91SAM9RL_ID_PWMC 19 /* Pulse Width Modulation Controller */ +#define AT91SAM9RL_ID_TSC 20 /* Touch Screen Controller */ +#define AT91SAM9RL_ID_DMA 21 /* DMA Controller */ +#define AT91SAM9RL_ID_UDPHS 22 /* USB Device HS */ +#define AT91SAM9RL_ID_LCDC 23 /* LCD Controller */ +#define AT91SAM9RL_ID_AC97C 24 /* AC97 Controller */ +#define AT91SAM9RL_ID_IRQ0 31 /* Advanced Interrupt Controller (IRQ0) */ + + +/* + * User Peripheral physical base addresses. + */ +#define AT91SAM9RL_BASE_TCB0 0xfffa0000 +#define AT91SAM9RL_BASE_TC0 0xfffa0000 +#define AT91SAM9RL_BASE_TC1 0xfffa0040 +#define AT91SAM9RL_BASE_TC2 0xfffa0080 +#define AT91SAM9RL_BASE_MCI 0xfffa4000 +#define AT91SAM9RL_BASE_TWI0 0xfffa8000 +#define AT91SAM9RL_BASE_TWI1 0xfffac000 +#define AT91SAM9RL_BASE_US0 0xfffb0000 +#define AT91SAM9RL_BASE_US1 0xfffb4000 +#define AT91SAM9RL_BASE_US2 0xfffb8000 +#define AT91SAM9RL_BASE_US3 0xfffbc000 +#define AT91SAM9RL_BASE_SSC0 0xfffc0000 +#define AT91SAM9RL_BASE_SSC1 0xfffc4000 +#define AT91SAM9RL_BASE_PWMC 0xfffc8000 +#define AT91SAM9RL_BASE_SPI 0xfffcc000 +#define AT91SAM9RL_BASE_TSC 0xfffd0000 +#define AT91SAM9RL_BASE_UDPHS 0xfffd4000 +#define AT91SAM9RL_BASE_AC97C 0xfffd8000 +#define AT91_BASE_SYS 0xffffc000 + + +/* + * System Peripherals (offset from AT91_BASE_SYS) + */ +#define AT91_DMA (0xffffe600 - AT91_BASE_SYS) +#define AT91_ECC (0xffffe800 - AT91_BASE_SYS) +#define AT91_SDRAMC (0xffffea00 - AT91_BASE_SYS) +#define AT91_SMC (0xffffec00 - AT91_BASE_SYS) +#define AT91_MATRIX (0xffffee00 - AT91_BASE_SYS) +#define AT91_CCFG (0xffffef10 - AT91_BASE_SYS) +#define AT91_AIC (0xfffff000 - AT91_BASE_SYS) +#define AT91_DBGU (0xfffff200 - AT91_BASE_SYS) +#define AT91_PIOA (0xfffff400 - AT91_BASE_SYS) +#define AT91_PIOB (0xfffff600 - AT91_BASE_SYS) +#define AT91_PIOC (0xfffff800 - AT91_BASE_SYS) +#define AT91_PIOD (0xfffffa00 - AT91_BASE_SYS) +#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) +#define AT91_RSTC (0xfffffd00 - AT91_BASE_SYS) +#define AT91_SHDWC (0xfffffd10 - AT91_BASE_SYS) +#define AT91_RTT (0xfffffd20 - AT91_BASE_SYS) +#define AT91_PIT (0xfffffd30 - AT91_BASE_SYS) +#define AT91_WDT (0xfffffd40 - AT91_BASE_SYS) +#define AT91_SCKCR (0xfffffd50 - AT91_BASE_SYS) +#define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS) +#define AT91_RTC (0xfffffe00 - AT91_BASE_SYS) + + +/* + * Internal Memory. + */ +#define AT91SAM9RL_SRAM_BASE 0x00300000 /* Internal SRAM base address */ +#define AT91SAM9RL_SRAM_SIZE SZ_16K /* Internal SRAM size (16Kb) */ + +#define AT91SAM9RL_ROM_BASE 0x00400000 /* Internal ROM base address */ +#define AT91SAM9RL_ROM_SIZE (2 * SZ_16K) /* Internal ROM size (32Kb) */ + +#define AT91SAM9RL_LCDC_BASE 0x00500000 /* LCD Controller */ +#define AT91SAM9RL_UDPHS_BASE 0x00600000 /* USB Device HS controller */ + +#endif diff --git a/include/asm-arm/arch-at91/at91sam9rl_matrix.h b/include/asm-arm/arch-at91/at91sam9rl_matrix.h new file mode 100644 index 00000000000..b15f11b7c08 --- /dev/null +++ b/include/asm-arm/arch-at91/at91sam9rl_matrix.h @@ -0,0 +1,96 @@ +/* + * include/asm-arm/arch-at91/at91sam9rl_matrix.h + * + * Copyright (C) 2007 Atmel Corporation + * + * Memory Controllers (MATRIX, EBI) - System peripherals registers. + * Based on AT91SAM9RL datasheet revision A. (Preliminary) + * + * 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. + */ + +#ifndef AT91SAM9RL_MATRIX_H +#define AT91SAM9RL_MATRIX_H + +#define AT91_MATRIX_MCFG0 (AT91_MATRIX + 0x00) /* Master Configuration Register 0 */ +#define AT91_MATRIX_MCFG1 (AT91_MATRIX + 0x04) /* Master Configuration Register 1 */ +#define AT91_MATRIX_MCFG2 (AT91_MATRIX + 0x08) /* Master Configuration Register 2 */ +#define AT91_MATRIX_MCFG3 (AT91_MATRIX + 0x0C) /* Master Configuration Register 3 */ +#define AT91_MATRIX_MCFG4 (AT91_MATRIX + 0x10) /* Master Configuration Register 4 */ +#define AT91_MATRIX_MCFG5 (AT91_MATRIX + 0x14) /* Master Configuration Register 5 */ +#define AT91_MATRIX_ULBT (7 << 0) /* Undefined Length Burst Type */ +#define AT91_MATRIX_ULBT_INFINITE (0 << 0) +#define AT91_MATRIX_ULBT_SINGLE (1 << 0) +#define AT91_MATRIX_ULBT_FOUR (2 << 0) +#define AT91_MATRIX_ULBT_EIGHT (3 << 0) +#define AT91_MATRIX_ULBT_SIXTEEN (4 << 0) + +#define AT91_MATRIX_SCFG0 (AT91_MATRIX + 0x40) /* Slave Configuration Register 0 */ +#define AT91_MATRIX_SCFG1 (AT91_MATRIX + 0x44) /* Slave Configuration Register 1 */ +#define AT91_MATRIX_SCFG2 (AT91_MATRIX + 0x48) /* Slave Configuration Register 2 */ +#define AT91_MATRIX_SCFG3 (AT91_MATRIX + 0x4C) /* Slave Configuration Register 3 */ +#define AT91_MATRIX_SCFG4 (AT91_MATRIX + 0x50) /* Slave Configuration Register 4 */ +#define AT91_MATRIX_SCFG5 (AT91_MATRIX + 0x54) /* Slave Configuration Register 5 */ +#define AT91_MATRIX_SLOT_CYCLE (0xff << 0) /* Maximum Number of Allowed Cycles for a Burst */ +#define AT91_MATRIX_DEFMSTR_TYPE (3 << 16) /* Default Master Type */ +#define AT91_MATRIX_DEFMSTR_TYPE_NONE (0 << 16) +#define AT91_MATRIX_DEFMSTR_TYPE_LAST (1 << 16) +#define AT91_MATRIX_DEFMSTR_TYPE_FIXED (2 << 16) +#define AT91_MATRIX_FIXED_DEFMSTR (7 << 18) /* Fixed Index of Default Master */ +#define AT91_MATRIX_ARBT (3 << 24) /* Arbitration Type */ +#define AT91_MATRIX_ARBT_ROUND_ROBIN (0 << 24) +#define AT91_MATRIX_ARBT_FIXED_PRIORITY (1 << 24) + +#define AT91_MATRIX_PRAS0 (AT91_MATRIX + 0x80) /* Priority Register A for Slave 0 */ +#define AT91_MATRIX_PRAS1 (AT91_MATRIX + 0x88) /* Priority Register A for Slave 1 */ +#define AT91_MATRIX_PRAS2 (AT91_MATRIX + 0x90) /* Priority Register A for Slave 2 */ +#define AT91_MATRIX_PRAS3 (AT91_MATRIX + 0x98) /* Priority Register A for Slave 3 */ +#define AT91_MATRIX_PRAS4 (AT91_MATRIX + 0xA0) /* Priority Register A for Slave 4 */ +#define AT91_MATRIX_PRAS5 (AT91_MATRIX + 0xA8) /* Priority Register A for Slave 5 */ +#define AT91_MATRIX_M0PR (3 << 0) /* Master 0 Priority */ +#define AT91_MATRIX_M1PR (3 << 4) /* Master 1 Priority */ +#define AT91_MATRIX_M2PR (3 << 8) /* Master 2 Priority */ +#define AT91_MATRIX_M3PR (3 << 12) /* Master 3 Priority */ +#define AT91_MATRIX_M4PR (3 << 16) /* Master 4 Priority */ +#define AT91_MATRIX_M5PR (3 << 20) /* Master 5 Priority */ + +#define AT91_MATRIX_MRCR (AT91_MATRIX + 0x100) /* Master Remap Control Register */ +#define AT91_MATRIX_RCB0 (1 << 0) /* Remap Command for AHB Master 0 (ARM926EJ-S Instruction Master) */ +#define AT91_MATRIX_RCB1 (1 << 1) /* Remap Command for AHB Master 1 (ARM926EJ-S Data Master) */ +#define AT91_MATRIX_RCB2 (1 << 2) +#define AT91_MATRIX_RCB3 (1 << 3) +#define AT91_MATRIX_RCB4 (1 << 4) +#define AT91_MATRIX_RCB5 (1 << 5) + +#define AT91_MATRIX_TCMR (AT91_MATRIX + 0x114) /* TCM Configuration Register */ +#define AT91_MATRIX_ITCM_SIZE (0xf << 0) /* Size of ITCM enabled memory block */ +#define AT91_MATRIX_ITCM_0 (0 << 0) +#define AT91_MATRIX_ITCM_16 (5 << 0) +#define AT91_MATRIX_ITCM_32 (6 << 0) +#define AT91_MATRIX_DTCM_SIZE (0xf << 4) /* Size of DTCM enabled memory block */ +#define AT91_MATRIX_DTCM_0 (0 << 4) +#define AT91_MATRIX_DTCM_16 (5 << 4) +#define AT91_MATRIX_DTCM_32 (6 << 4) + +#define AT91_MATRIX_EBICSA (AT91_MATRIX + 0x120) /* EBI0 Chip Select Assignment Register */ +#define AT91_MATRIX_CS1A (1 << 1) /* Chip Select 1 Assignment */ +#define AT91_MATRIX_CS1A_SMC (0 << 1) +#define AT91_MATRIX_CS1A_SDRAMC (1 << 1) +#define AT91_MATRIX_CS3A (1 << 3) /* Chip Select 3 Assignment */ +#define AT91_MATRIX_CS3A_SMC (0 << 3) +#define AT91_MATRIX_CS3A_SMC_SMARTMEDIA (1 << 3) +#define AT91_MATRIX_CS4A (1 << 4) /* Chip Select 4 Assignment */ +#define AT91_MATRIX_CS4A_SMC (0 << 4) +#define AT91_MATRIX_CS4A_SMC_CF1 (1 << 4) +#define AT91_MATRIX_CS5A (1 << 5) /* Chip Select 5 Assignment */ +#define AT91_MATRIX_CS5A_SMC (0 << 5) +#define AT91_MATRIX_CS5A_SMC_CF2 (1 << 5) +#define AT91_MATRIX_DBPUC (1 << 8) /* Data Bus Pull-up Configuration */ +#define AT91_MATRIX_VDDIOMSEL (1 << 16) /* Memory voltage selection */ +#define AT91_MATRIX_VDDIOMSEL_1_8V (0 << 16) +#define AT91_MATRIX_VDDIOMSEL_3_3V (1 << 16) + + +#endif diff --git a/include/asm-arm/arch-at91/cpu.h b/include/asm-arm/arch-at91/cpu.h index 7ef4eebe9f8..ef93c30a9c5 100644 --- a/include/asm-arm/arch-at91/cpu.h +++ b/include/asm-arm/arch-at91/cpu.h @@ -26,6 +26,8 @@ #define ARCH_ID_AT91SAM9XE256 0x329a93a0 #define ARCH_ID_AT91SAM9XE512 0x329aa3a0 +#define ARCH_ID_AT91SAM9RL64 0x019b03a0 + static inline unsigned long at91_cpu_identify(void) { return (at91_sys_read(AT91_DBGU_CIDR) & ~AT91_CIDR_VERSION); @@ -68,6 +70,13 @@ static inline unsigned long at91_arch_identify(void) #define cpu_is_at91sam9263() (0) #endif +#ifdef CONFIG_ARCH_AT91SAM9RL +#define cpu_is_at91sam9rl() (at91_cpu_identify() == ARCH_ID_AT91SAM9RL64) +#else +#define cpu_is_at91sam9rl() (0) +#endif + + /* * Since this is ARM, we will never run on any AVR32 CPU. But these * definitions may reduce clutter in common drivers. diff --git a/include/asm-arm/arch-at91/hardware.h b/include/asm-arm/arch-at91/hardware.h index 1c14382dc3f..46835e945ae 100644 --- a/include/asm-arm/arch-at91/hardware.h +++ b/include/asm-arm/arch-at91/hardware.h @@ -24,6 +24,8 @@ #include <asm/arch/at91sam9261.h> #elif defined(CONFIG_ARCH_AT91SAM9263) #include <asm/arch/at91sam9263.h> +#elif defined(CONFIG_ARCH_AT91SAM9RL) +#include <asm/arch/at91sam9rl.h> #else #error "Unsupported AT91 processor" #endif diff --git a/include/asm-arm/arch-at91/timex.h b/include/asm-arm/arch-at91/timex.h index f41636d607a..2df1ee12dfb 100644 --- a/include/asm-arm/arch-at91/timex.h +++ b/include/asm-arm/arch-at91/timex.h @@ -37,6 +37,11 @@ #define AT91SAM9_MASTER_CLOCK 99959500 #define CLOCK_TICK_RATE (AT91SAM9_MASTER_CLOCK/16) +#elif defined(CONFIG_ARCH_AT91SAM9RL) + +#define AT91SAM9_MASTER_CLOCK 100000000 +#define CLOCK_TICK_RATE (AT91SAM9_MASTER_CLOCK/16) + #endif #endif diff --git a/include/asm-arm/arch-cl7500/entry-macro.S b/include/asm-arm/arch-cl7500/entry-macro.S index 0cfb89b229d..038b761fdad 100644 --- a/include/asm-arm/arch-cl7500/entry-macro.S +++ b/include/asm-arm/arch-cl7500/entry-macro.S @@ -1,6 +1,14 @@ #include <asm/hardware.h> #include <asm/hardware/entry-macro-iomd.S> + + .equ ioc_base_high, IOC_BASE & 0xff000000 + .equ ioc_base_low, IOC_BASE & 0x00ff0000 + .macro get_irqnr_preamble, base, tmp + mov \base, #ioc_base_high @ point at IOC + .if ioc_base_low + orr \base, \base, #ioc_base_low + .endif .endm .macro arch_ret_to_user, tmp1, tmp2 diff --git a/include/asm-arm/arch-davinci/common.h b/include/asm-arm/arch-davinci/common.h new file mode 100644 index 00000000000..a97dfbb15e5 --- /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 00000000000..e6c0f0d5d06 --- /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 00000000000..8e2f2d0ba66 --- /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 00000000000..3ebfcc5cb58 --- /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 00000000000..60362d80229 --- /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 00000000000..e7accb91086 --- /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)) |