i2c-pxa.c (86d688984deefa3ae5a802880c11f2b408b5d6cf) i2c-pxa.c (9ba63c4fa10cf446eff06a3200822d22b0c31c31)
1/*
2 * i2c_adap_pxa.c
3 *
4 * I2C adapter for the PXA I2C bus access.
5 *
6 * Copyright (C) 2002 Intrinsyc Software Inc.
7 * Copyright (C) 2004-2005 Deep Blue Solutions Ltd.
8 *

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55 struct i2c_slave_client *slave;
56#endif
57
58 unsigned int irqlogidx;
59 u32 isrlog[32];
60 u32 icrlog[32];
61
62 void __iomem *reg_base;
1/*
2 * i2c_adap_pxa.c
3 *
4 * I2C adapter for the PXA I2C bus access.
5 *
6 * Copyright (C) 2002 Intrinsyc Software Inc.
7 * Copyright (C) 2004-2005 Deep Blue Solutions Ltd.
8 *

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55 struct i2c_slave_client *slave;
56#endif
57
58 unsigned int irqlogidx;
59 u32 isrlog[32];
60 u32 icrlog[32];
61
62 void __iomem *reg_base;
63 unsigned int reg_shift;
63
64 unsigned long iobase;
65 unsigned long iosize;
66
67 int irq;
68 int use_pio;
69};
70
64
65 unsigned long iobase;
66 unsigned long iosize;
67
68 int irq;
69 int use_pio;
70};
71
71#define _IBMR(i2c) ((i2c)->reg_base + 0)
72#define _IDBR(i2c) ((i2c)->reg_base + 8)
73#define _ICR(i2c) ((i2c)->reg_base + 0x10)
74#define _ISR(i2c) ((i2c)->reg_base + 0x18)
75#define _ISAR(i2c) ((i2c)->reg_base + 0x20)
72#define _IBMR(i2c) ((i2c)->reg_base + (0x0 << (i2c)->reg_shift))
73#define _IDBR(i2c) ((i2c)->reg_base + (0x4 << (i2c)->reg_shift))
74#define _ICR(i2c) ((i2c)->reg_base + (0x8 << (i2c)->reg_shift))
75#define _ISR(i2c) ((i2c)->reg_base + (0xc << (i2c)->reg_shift))
76#define _ISAR(i2c) ((i2c)->reg_base + (0x10 << (i2c)->reg_shift))
76
77/*
78 * I2C Slave mode address
79 */
80#define I2C_PXA_SLAVE_ADDR 0x1
81
82#ifdef DEBUG
83

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988 goto eclk;
989 }
990
991 i2c->reg_base = ioremap(res->start, res_len(res));
992 if (!i2c->reg_base) {
993 ret = -EIO;
994 goto eremap;
995 }
77
78/*
79 * I2C Slave mode address
80 */
81#define I2C_PXA_SLAVE_ADDR 0x1
82
83#ifdef DEBUG
84

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989 goto eclk;
990 }
991
992 i2c->reg_base = ioremap(res->start, res_len(res));
993 if (!i2c->reg_base) {
994 ret = -EIO;
995 goto eremap;
996 }
997 i2c->reg_shift = (cpu_is_pxa3xx() && (dev->id == 1)) ? 0 : 1;
996
997 i2c->iobase = res->start;
998 i2c->iosize = res_len(res);
999
1000 i2c->irq = irq;
1001
1002 i2c->slave_addr = I2C_PXA_SLAVE_ADDR;
1003

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999 i2c->iobase = res->start;
1000 i2c->iosize = res_len(res);
1001
1002 i2c->irq = irq;
1003
1004 i2c->slave_addr = I2C_PXA_SLAVE_ADDR;
1005

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