Added register offsets and bits.

git-svn-id: https://urjtag.svn.sourceforge.net/svnroot/urjtag/trunk@153 b68d4a1b-bc3d-0410-92ed-d4ac073336b7
master
Marcel Telka 23 years ago
parent cf43f52037
commit 643a0d7a01

@ -39,14 +39,17 @@
#ifndef PXA2X0_I2C_H
#define PXA2X0_I2C_H
#ifndef uint32_t
typedef unsigned int uint32_t;
#include <common.h>
#if LANGUAGE == C
#include <stdint.h>
#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 */

Loading…
Cancel
Save