From 643a0d7a016fed0606ce601cfaf546f8159d4596 Mon Sep 17 00:00:00 2001 From: Marcel Telka Date: Thu, 10 Oct 2002 19:27:27 +0000 Subject: [PATCH] Added register offsets and bits. git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@153 b68d4a1b-bc3d-0410-92ed-d4ac073336b7 --- include/arm/pxa2x0/i2c.h | 66 +++++++++++++++++++++++++++++++++++++--- 1 file changed, 62 insertions(+), 4 deletions(-) diff --git a/include/arm/pxa2x0/i2c.h b/include/arm/pxa2x0/i2c.h index 697ffe28..f3af0fcb 100644 --- a/include/arm/pxa2x0/i2c.h +++ b/include/arm/pxa2x0/i2c.h @@ -39,14 +39,17 @@ #ifndef PXA2X0_I2C_H #define PXA2X0_I2C_H -#ifndef uint32_t -typedef unsigned int uint32_t; +#include + +#if LANGUAGE == C +#include #endif /* I2C Registers */ #define I2C_BASE 0x40300000 +#if LANGUAGE == C typedef volatile struct I2C_registers { uint32_t __reserved1[1440]; uint32_t ibmr; @@ -60,7 +63,7 @@ typedef volatile struct I2C_registers { uint32_t isar; } I2C_registers; -#ifndef I2C_pointer +#ifdef PXA250_UNMAPPED #define I2C_pointer ((I2C_registers*) I2C_BASE) #endif @@ -69,5 +72,60 @@ typedef volatile struct I2C_registers { #define ICR I2C_pointer->icr #define ISR I2C_pointer->isr #define ISAR I2C_pointer->isar +#endif /* LANGUAGE == C */ + +#define IBMR_OFFSET 0x1680 +#define IDBR_OFFSET 0x1688 +#define ICR_OFFSET 0x1690 +#define ISR_OFFSET 0x1698 +#define ISAR_OFFSET 0x16A0 + +/* IBMR bits - see Table 9-9 in [1] */ + +#define IBMR_SCLS bit(1) +#define IBMR_SDAS bit(0) + +/* IDBR bits - see Table 9-10 in [1] */ + +#define IDBR_IDB_MASK 0xFF +#define IDBR_IDB(x) (x & IDBR_IDB_MASK) + +/* ICR bits - see Table 9-11 in [1] */ + +#define ICR_FM bit(15) +#define ICR_UR bit(14) +#define ICR_SADIE bit(13) +#define ICR_ALDIE bit(12) +#define ICR_SSDIE bit(11) +#define ICR_BEIE bit(10) +#define ICR_IRFIE bit(9) +#define ICR_ITEIE bit(8) +#define ICR_GCD bit(7) +#define ICR_IUE bit(6) +#define ICR_SCLE bit(5) +#define ICR_MA bit(4) +#define ICR_TB bit(3) +#define ICR_ACKNAK bit(2) +#define ICR_STOP bit(1) +#define ICR_START bit(0) + +/* ISR bits - see Table 9-12 in [1] */ + +#define ISR_BED bit(10) +#define ISR_SAD bit(9) +#define ISR_GCAD bit(8) +#define ISR_IRF bit(7) +#define ISR_ITE bit(6) +#define ISR_ALD bit(5) +#define ISR_SSD bit(4) +#define ISR_IBB bit(3) +#define ISR_UB bit(2) +#define ISR_ACKNAK bit(1) +#define ISR_RWM bit(0) + +/* ISAR bits - see Table 9-13 in [1] */ + +#define ISAR_ISA_MASK 0x7F +#define ISAR_ISA(x) (x & ISAR_ISA_MASK) -#endif /* PXA2X0_I2C_H */ +#endif /* PXA2X0_I2C_H */