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@@ -31,6 +31,7 @@
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#include <i2c.h>
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#include <i2c.h>
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#include <command.h>
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#include <command.h>
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#include "ppc440gx_i2c.h"
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#include "ppc440gx_i2c.h"
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+#include <asm-ppc/io.h>
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#ifdef CONFIG_I2C_BUS1
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#ifdef CONFIG_I2C_BUS1
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@@ -47,16 +48,18 @@
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static uchar i2c_no_probes[] = CONFIG_SYS_I2C_NOPROBES;
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static uchar i2c_no_probes[] = CONFIG_SYS_I2C_NOPROBES;
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#endif
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#endif
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+static struct ppc4xx_i2c *i2c = (struct ppc4xx_i2c *)I2C_REGISTERS_BUS1_BASE_ADDRESS;
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+
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static void _i2c_bus1_reset (void)
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static void _i2c_bus1_reset (void)
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{
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{
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int i, status;
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int i, status;
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/* Reset status register */
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/* Reset status register */
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/* write 1 in SCMP and IRQA to clear these fields */
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/* write 1 in SCMP and IRQA to clear these fields */
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- out8 (IIC_STS1, 0x0A);
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+ out_8 (IIC_STS1, 0x0A);
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/* write 1 in IRQP IRQD LA ICT XFRA to clear these fields */
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/* write 1 in IRQP IRQD LA ICT XFRA to clear these fields */
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- out8 (IIC_EXTSTS1, 0x8F);
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+ out_8 (IIC_EXTSTS1, 0x8F);
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__asm__ volatile ("eieio");
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__asm__ volatile ("eieio");
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/*
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/*
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@@ -66,36 +69,36 @@ static void _i2c_bus1_reset (void)
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i = 10;
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i = 10;
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do {
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do {
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/* Get status */
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/* Get status */
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- status = in8 (IIC_STS1);
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+ status = in_8 (IIC_STS1);
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udelay (500); /* 500us */
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udelay (500); /* 500us */
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i--;
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i--;
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} while ((status & IIC_STS_PT) && (i > 0));
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} while ((status & IIC_STS_PT) && (i > 0));
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/* Soft reset controller */
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/* Soft reset controller */
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- status = in8 (IIC_XTCNTLSS1);
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- out8 (IIC_XTCNTLSS1, (status | IIC_XTCNTLSS_SRST));
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+ status = in_8 (IIC_XTCNTLSS1);
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+ out_8 (IIC_XTCNTLSS1, (status | IIC_XTCNTLSS_SRST));
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__asm__ volatile ("eieio");
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__asm__ volatile ("eieio");
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/* make sure where in initial state, data hi, clock hi */
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/* make sure where in initial state, data hi, clock hi */
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- out8 (IIC_DIRECTCNTL1, 0xC);
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+ out_8 (IIC_DIRECTCNTL1, 0xC);
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for (i = 0; i < 10; i++) {
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for (i = 0; i < 10; i++) {
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- if ((in8 (IIC_DIRECTCNTL1) & 0x3) != 0x3) {
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+ if ((in_8 (IIC_DIRECTCNTL1) & 0x3) != 0x3) {
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/* clock until we get to known state */
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/* clock until we get to known state */
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- out8 (IIC_DIRECTCNTL1, 0x8); /* clock lo */
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+ out_8 (IIC_DIRECTCNTL1, 0x8); /* clock lo */
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udelay (100); /* 100us */
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udelay (100); /* 100us */
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- out8 (IIC_DIRECTCNTL1, 0xC); /* clock hi */
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+ out_8 (IIC_DIRECTCNTL1, 0xC); /* clock hi */
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udelay (100); /* 100us */
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udelay (100); /* 100us */
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} else {
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} else {
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break;
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break;
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}
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}
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}
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}
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/* send start condition */
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/* send start condition */
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- out8 (IIC_DIRECTCNTL1, 0x4);
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+ out_8 (IIC_DIRECTCNTL1, 0x4);
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udelay (1000); /* 1ms */
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udelay (1000); /* 1ms */
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/* send stop condition */
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/* send stop condition */
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- out8 (IIC_DIRECTCNTL1, 0xC);
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+ out_8 (IIC_DIRECTCNTL1, 0xC);
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udelay (1000); /* 1ms */
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udelay (1000); /* 1ms */
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/* Unreset controller */
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/* Unreset controller */
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- out8 (IIC_XTCNTLSS1, (status & ~IIC_XTCNTLSS_SRST));
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+ out_8 (IIC_XTCNTLSS1, (status & ~IIC_XTCNTLSS_SRST));
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udelay (1000); /* 1ms */
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udelay (1000); /* 1ms */
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}
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}
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@@ -117,16 +120,16 @@ void i2c1_init (int speed, int slaveadd)
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_i2c_bus1_reset ();
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_i2c_bus1_reset ();
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/* clear lo master address */
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/* clear lo master address */
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- out8 (IIC_LMADR1, 0);
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+ out_8 (IIC_LMADR1, 0);
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/* clear hi master address */
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/* clear hi master address */
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- out8 (IIC_HMADR1, 0);
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+ out_8 (IIC_HMADR1, 0);
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/* clear lo slave address */
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/* clear lo slave address */
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- out8 (IIC_LSADR1, 0);
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+ out_8 (IIC_LSADR1, 0);
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/* clear hi slave address */
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/* clear hi slave address */
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- out8 (IIC_HSADR1, 0);
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+ out_8 (IIC_HSADR1, 0);
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/* Clock divide Register */
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/* Clock divide Register */
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/* get OPB frequency */
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/* get OPB frequency */
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@@ -136,25 +139,25 @@ void i2c1_init (int speed, int slaveadd)
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divisor = (freqOPB - 1) / 10000000;
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divisor = (freqOPB - 1) / 10000000;
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if (divisor == 0)
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if (divisor == 0)
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divisor = 1;
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divisor = 1;
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- out8 (IIC_CLKDIV1, divisor);
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+ out_8 (IIC_CLKDIV1, divisor);
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/* no interrupts */
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/* no interrupts */
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- out8 (IIC_INTRMSK1, 0);
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+ out_8 (IIC_INTRMSK1, 0);
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/* clear transfer count */
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/* clear transfer count */
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- out8 (IIC_XFRCNT1, 0);
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+ out_8 (IIC_XFRCNT1, 0);
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/* clear extended control & stat */
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/* clear extended control & stat */
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/* write 1 in SRC SRS SWC SWS to clear these fields */
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/* write 1 in SRC SRS SWC SWS to clear these fields */
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- out8 (IIC_XTCNTLSS1, 0xF0);
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+ out_8 (IIC_XTCNTLSS1, 0xF0);
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/* Mode Control Register
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/* Mode Control Register
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Flush Slave/Master data buffer */
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Flush Slave/Master data buffer */
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- out8 (IIC_MDCNTL1, IIC_MDCNTL_FSDB | IIC_MDCNTL_FMDB);
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+ out_8 (IIC_MDCNTL1, IIC_MDCNTL_FSDB | IIC_MDCNTL_FMDB);
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__asm__ volatile ("eieio");
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__asm__ volatile ("eieio");
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- val = in8(IIC_MDCNTL1);
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+ val = in_8(IIC_MDCNTL1);
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__asm__ volatile ("eieio");
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__asm__ volatile ("eieio");
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/* Ignore General Call, slave transfers are ignored,
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/* Ignore General Call, slave transfers are ignored,
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@@ -167,10 +170,10 @@ void i2c1_init (int speed, int slaveadd)
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if( speed >= 400000 ){
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if( speed >= 400000 ){
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val |= IIC_MDCNTL_FSM;
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val |= IIC_MDCNTL_FSM;
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}
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}
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- out8 (IIC_MDCNTL1, val);
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+ out_8 (IIC_MDCNTL1, val);
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/* clear control reg */
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/* clear control reg */
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- out8 (IIC_CNTL1, 0x00);
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+ out_8 (IIC_CNTL1, 0x00);
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__asm__ volatile ("eieio");
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__asm__ volatile ("eieio");
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}
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}
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@@ -178,7 +181,7 @@ void i2c1_init (int speed, int slaveadd)
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/*
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/*
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This code tries to use the features of the 405GP i2c
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This code tries to use the features of the 405GP i2c
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controller. It will transfer up to 4 bytes in one pass
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controller. It will transfer up to 4 bytes in one pass
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- on the loop. It only does out8(lbz) to the buffer when it
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+ on the loop. It only does out_8(lbz) to the buffer when it
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is possible to do out16(lhz) transfers.
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is possible to do out16(lhz) transfers.
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cmd_type is 0 for write 1 for read.
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cmd_type is 0 for write 1 for read.
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@@ -232,12 +235,12 @@ int i2c_transfer1(unsigned char cmd_type,
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}
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}
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/*Clear Stop Complete Bit*/
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/*Clear Stop Complete Bit*/
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- out8(IIC_STS1,IIC_STS_SCMP);
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+ out_8(IIC_STS1,IIC_STS_SCMP);
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/* Check init */
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/* Check init */
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i=10;
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i=10;
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do {
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do {
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/* Get status */
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/* Get status */
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- status = in8(IIC_STS1);
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+ status = in_8(IIC_STS1);
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__asm__ volatile("eieio");
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__asm__ volatile("eieio");
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i--;
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i--;
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} while ((status & IIC_STS_PT) && (i>0));
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} while ((status & IIC_STS_PT) && (i>0));
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@@ -247,12 +250,12 @@ int i2c_transfer1(unsigned char cmd_type,
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return(result);
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return(result);
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}
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}
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/*flush the Master/Slave Databuffers*/
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/*flush the Master/Slave Databuffers*/
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- out8(IIC_MDCNTL1, ((in8(IIC_MDCNTL1))|IIC_MDCNTL_FMDB|IIC_MDCNTL_FSDB));
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+ out_8(IIC_MDCNTL1, ((in_8(IIC_MDCNTL1))|IIC_MDCNTL_FMDB|IIC_MDCNTL_FSDB));
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/*need to wait 4 OPB clocks? code below should take that long*/
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/*need to wait 4 OPB clocks? code below should take that long*/
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/* 7-bit adressing */
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/* 7-bit adressing */
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- out8(IIC_HMADR1,0);
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- out8(IIC_LMADR1, chip);
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+ out_8(IIC_HMADR1,0);
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+ out_8(IIC_LMADR1, chip);
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__asm__ volatile("eieio");
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__asm__ volatile("eieio");
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tran = 0;
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tran = 0;
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@@ -280,11 +283,11 @@ int i2c_transfer1(unsigned char cmd_type,
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else {
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else {
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for(j=0; j<bc; j++) {
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for(j=0; j<bc; j++) {
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/* Set buffer */
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/* Set buffer */
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- out8(IIC_MDBUF1,ptr[tran+j]);
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+ out_8(IIC_MDBUF1,ptr[tran+j]);
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__asm__ volatile("eieio");
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__asm__ volatile("eieio");
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}
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}
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}
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}
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- out8(IIC_CNTL1, creg );
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+ out_8(IIC_CNTL1, creg );
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__asm__ volatile("eieio");
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__asm__ volatile("eieio");
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/* Transfer is in progress
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/* Transfer is in progress
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@@ -297,7 +300,7 @@ int i2c_transfer1(unsigned char cmd_type,
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i=2*5*8;
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i=2*5*8;
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do {
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do {
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/* Get status */
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/* Get status */
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- status = in8(IIC_STS1);
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+ status = in_8(IIC_STS1);
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__asm__ volatile("eieio");
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__asm__ volatile("eieio");
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udelay (10);
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udelay (10);
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i--;
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i--;
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@@ -306,7 +309,7 @@ int i2c_transfer1(unsigned char cmd_type,
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if (status & IIC_STS_ERR) {
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if (status & IIC_STS_ERR) {
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result = IIC_NOK;
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result = IIC_NOK;
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- status = in8 (IIC_EXTSTS1);
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+ status = in_8 (IIC_EXTSTS1);
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/* Lost arbitration? */
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/* Lost arbitration? */
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if (status & IIC_EXTSTS_LA)
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if (status & IIC_EXTSTS_LA)
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result = IIC_NOK_LA;
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result = IIC_NOK_LA;
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@@ -331,7 +334,7 @@ int i2c_transfer1(unsigned char cmd_type,
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*/
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*/
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udelay (1);
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udelay (1);
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for(j=0;j<bc;j++) {
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for(j=0;j<bc;j++) {
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- ptr[tran+j] = in8(IIC_MDBUF1);
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+ ptr[tran+j] = in_8(IIC_MDBUF1);
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__asm__ volatile("eieio");
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__asm__ volatile("eieio");
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}
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}
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} else
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} else
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