# SPDX-License-Identifier: GPL-2.0+
#
-obj-$(CONFIG_BFIN_TWI_I2C) += bfin-twi_i2c.o
+obj-$(CONFIG_SYS_I2C_ADI) += adi_i2c.o
obj-$(CONFIG_I2C_MV) += mv_i2c.o
obj-$(CONFIG_PCA9564_I2C) += pca9564_i2c.o
obj-$(CONFIG_TSI108_I2C) += tsi108_i2c.o
--- /dev/null
+/*
+ * i2c.c - driver for ADI TWI/I2C
+ *
+ * Copyright (c) 2006-2014 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <common.h>
+#include <i2c.h>
+
+#include <asm/clock.h>
+#include <asm/twi.h>
+
+/* Every register is 32bit aligned, but only 16bits in size */
+#define ureg(name) u16 name; u16 __pad_##name;
+struct twi_regs {
+ ureg(clkdiv);
+ ureg(control);
+ ureg(slave_ctl);
+ ureg(slave_stat);
+ ureg(slave_addr);
+ ureg(master_ctl);
+ ureg(master_stat);
+ ureg(master_addr);
+ ureg(int_stat);
+ ureg(int_mask);
+ ureg(fifo_ctl);
+ ureg(fifo_stat);
+ char __pad[0x50];
+ ureg(xmt_data8);
+ ureg(xmt_data16);
+ ureg(rcv_data8);
+ ureg(rcv_data16);
+};
+#undef ureg
+
+/* U-Boot I2C framework allows only one active device at a time. */
+#ifdef TWI_CLKDIV
+#define TWI0_CLKDIV TWI_CLKDIV
+#endif
+static volatile struct twi_regs *twi = (void *)TWI0_CLKDIV;
+
+#ifdef DEBUG
+# define dmemset(s, c, n) memset(s, c, n)
+#else
+# define dmemset(s, c, n)
+#endif
+#define debugi(fmt, args...) \
+ debug( \
+ "MSTAT:0x%03x FSTAT:0x%x ISTAT:0x%02x\t%-20s:%-3i: " fmt "\n", \
+ twi->master_stat, twi->fifo_stat, twi->int_stat, \
+ __func__, __LINE__, ## args)
+
+#ifdef CONFIG_TWICLK_KHZ
+# error do not define CONFIG_TWICLK_KHZ ... use CONFIG_SYS_I2C_SPEED
+#endif
+
+/*
+ * The way speed is changed into duty often results in integer truncation
+ * with 50% duty, so we'll force rounding up to the next duty by adding 1
+ * to the max. In practice this will get us a speed of something like
+ * 385 KHz. The other limit is easy to handle as it is only 8 bits.
+ */
+#define I2C_SPEED_MAX 400000
+#define I2C_SPEED_TO_DUTY(speed) (5000000 / (speed))
+#define I2C_DUTY_MAX (I2C_SPEED_TO_DUTY(I2C_SPEED_MAX) + 1)
+#define I2C_DUTY_MIN 0xff /* 8 bit limited */
+#define SYS_I2C_DUTY I2C_SPEED_TO_DUTY(CONFIG_SYS_I2C_SPEED)
+/* Note: duty is inverse of speed, so the comparisons below are correct */
+#if SYS_I2C_DUTY < I2C_DUTY_MAX || SYS_I2C_DUTY > I2C_DUTY_MIN
+# error "The Blackfin I2C hardware can only operate 20KHz - 400KHz"
+#endif
+
+/* All transfers are described by this data structure */
+struct i2c_msg {
+ u8 flags;
+#define I2C_M_COMBO 0x4
+#define I2C_M_STOP 0x2
+#define I2C_M_READ 0x1
+ int len; /* msg length */
+ u8 *buf; /* pointer to msg data */
+ int alen; /* addr length */
+ u8 *abuf; /* addr buffer */
+};
+
+/* Allow msec timeout per ~byte transfer */
+#define I2C_TIMEOUT 10
+
+/**
+ * wait_for_completion - manage the actual i2c transfer
+ * @msg: the i2c msg
+ */
+static int wait_for_completion(struct i2c_msg *msg)
+{
+ uint16_t int_stat;
+ ulong timebase = get_timer(0);
+
+ do {
+ int_stat = twi->int_stat;
+
+ if (int_stat & XMTSERV) {
+ debugi("processing XMTSERV");
+ twi->int_stat = XMTSERV;
+ SSYNC();
+ if (msg->alen) {
+ twi->xmt_data8 = *(msg->abuf++);
+ --msg->alen;
+ } else if (!(msg->flags & I2C_M_COMBO) && msg->len) {
+ twi->xmt_data8 = *(msg->buf++);
+ --msg->len;
+ } else {
+ twi->master_ctl |= (msg->flags & I2C_M_COMBO) ? RSTART | MDIR : STOP;
+ SSYNC();
+ }
+ }
+ if (int_stat & RCVSERV) {
+ debugi("processing RCVSERV");
+ twi->int_stat = RCVSERV;
+ SSYNC();
+ if (msg->len) {
+ *(msg->buf++) = twi->rcv_data8;
+ --msg->len;
+ } else if (msg->flags & I2C_M_STOP) {
+ twi->master_ctl |= STOP;
+ SSYNC();
+ }
+ }
+ if (int_stat & MERR) {
+ debugi("processing MERR");
+ twi->int_stat = MERR;
+ SSYNC();
+ return msg->len;
+ }
+ if (int_stat & MCOMP) {
+ debugi("processing MCOMP");
+ twi->int_stat = MCOMP;
+ SSYNC();
+ if (msg->flags & I2C_M_COMBO && msg->len) {
+ twi->master_ctl = (twi->master_ctl & ~RSTART) |
+ (min(msg->len, 0xff) << 6) | MEN | MDIR;
+ SSYNC();
+ } else
+ break;
+ }
+
+ /* If we were able to do something, reset timeout */
+ if (int_stat)
+ timebase = get_timer(0);
+
+ } while (get_timer(timebase) < I2C_TIMEOUT);
+
+ return msg->len;
+}
+
+/**
+ * i2c_transfer - setup an i2c transfer
+ * @return: 0 if things worked, non-0 if things failed
+ *
+ * Here we just get the i2c stuff all prepped and ready, and then tail off
+ * into wait_for_completion() for all the bits to go.
+ */
+static int i2c_transfer(uchar chip, uint addr, int alen, uchar *buffer, int len, u8 flags)
+{
+ uchar addr_buffer[] = {
+ (addr >> 0),
+ (addr >> 8),
+ (addr >> 16),
+ };
+ struct i2c_msg msg = {
+ .flags = flags | (len >= 0xff ? I2C_M_STOP : 0),
+ .buf = buffer,
+ .len = len,
+ .abuf = addr_buffer,
+ .alen = alen,
+ };
+ int ret;
+
+ dmemset(buffer, 0xff, len);
+ debugi("chip=0x%x addr=0x%02x alen=%i buf[0]=0x%02x len=%i flags=0x%02x[%s] ",
+ chip, addr, alen, buffer[0], len, flags, (flags & I2C_M_READ ? "rd" : "wr"));
+
+ /* wait for things to settle */
+ while (twi->master_stat & BUSBUSY)
+ if (ctrlc())
+ return 1;
+
+ /* Set Transmit device address */
+ twi->master_addr = chip;
+
+ /* Clear the FIFO before starting things */
+ twi->fifo_ctl = XMTFLUSH | RCVFLUSH;
+ SSYNC();
+ twi->fifo_ctl = 0;
+ SSYNC();
+
+ /* prime the pump */
+ if (msg.alen) {
+ len = (msg.flags & I2C_M_COMBO) ? msg.alen : msg.alen + len;
+ debugi("first byte=0x%02x", *msg.abuf);
+ twi->xmt_data8 = *(msg.abuf++);
+ --msg.alen;
+ } else if (!(msg.flags & I2C_M_READ) && msg.len) {
+ debugi("first byte=0x%02x", *msg.buf);
+ twi->xmt_data8 = *(msg.buf++);
+ --msg.len;
+ }
+
+ /* clear int stat */
+ twi->master_stat = -1;
+ twi->int_stat = -1;
+ twi->int_mask = 0;
+ SSYNC();
+
+ /* Master enable */
+ twi->master_ctl =
+ (twi->master_ctl & FAST) |
+ (min(len, 0xff) << 6) | MEN |
+ ((msg.flags & I2C_M_READ) ? MDIR : 0);
+ SSYNC();
+ debugi("CTL=0x%04x", twi->master_ctl);
+
+ /* process the rest */
+ ret = wait_for_completion(&msg);
+ debugi("ret=%d", ret);
+
+ if (ret) {
+ twi->master_ctl &= ~MEN;
+ twi->control &= ~TWI_ENA;
+ SSYNC();
+ twi->control |= TWI_ENA;
+ SSYNC();
+ }
+
+ return ret;
+}
+
+/**
+ * i2c_set_bus_speed - set i2c bus speed
+ * @speed: bus speed (in HZ)
+ */
+int i2c_set_bus_speed(unsigned int speed)
+{
+ u16 clkdiv = I2C_SPEED_TO_DUTY(speed);
+
+ /* Set TWI interface clock */
+ if (clkdiv < I2C_DUTY_MAX || clkdiv > I2C_DUTY_MIN)
+ return -1;
+ twi->clkdiv = (clkdiv << 8) | (clkdiv & 0xff);
+
+ /* Don't turn it on */
+ twi->master_ctl = (speed > 100000 ? FAST : 0);
+
+ return 0;
+}
+
+/**
+ * i2c_get_bus_speed - get i2c bus speed
+ * @speed: bus speed (in HZ)
+ */
+unsigned int i2c_get_bus_speed(void)
+{
+ /* 10 MHz / (2 * CLKDIV) -> 5 MHz / CLKDIV */
+ return 5000000 / (twi->clkdiv & 0xff);
+}
+
+/**
+ * i2c_init - initialize the i2c bus
+ * @speed: bus speed (in HZ)
+ * @slaveaddr: address of device in slave mode (0 - not slave)
+ *
+ * Slave mode isn't actually implemented. It'll stay that way until
+ * we get a real request for it.
+ */
+void i2c_init(int speed, int slaveaddr)
+{
+ uint8_t prescale = ((get_i2c_clk() / 1000 / 1000 + 5) / 10) & 0x7F;
+
+ /* Set TWI internal clock as 10MHz */
+ twi->control = prescale;
+
+ /* Set TWI interface clock as specified */
+ i2c_set_bus_speed(speed);
+
+ /* Enable it */
+ twi->control = TWI_ENA | prescale;
+ SSYNC();
+
+ debugi("CONTROL:0x%04x CLKDIV:0x%04x", twi->control, twi->clkdiv);
+
+#if CONFIG_SYS_I2C_SLAVE
+# error I2C slave support not tested/supported
+ /* If they want us as a slave, do it */
+ if (slaveaddr) {
+ twi->slave_addr = slaveaddr;
+ twi->slave_ctl = SEN;
+ }
+#endif
+}
+
+/**
+ * i2c_probe - test if a chip exists at a given i2c address
+ * @chip: i2c chip addr to search for
+ * @return: 0 if found, non-0 if not found
+ */
+int i2c_probe(uchar chip)
+{
+ u8 byte;
+ return i2c_read(chip, 0, 0, &byte, 1);
+}
+
+/**
+ * i2c_read - read data from an i2c device
+ * @chip: i2c chip addr
+ * @addr: memory (register) address in the chip
+ * @alen: byte size of address
+ * @buffer: buffer to store data read from chip
+ * @len: how many bytes to read
+ * @return: 0 on success, non-0 on failure
+ */
+int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
+{
+ return i2c_transfer(chip, addr, alen, buffer, len, (alen ? I2C_M_COMBO : I2C_M_READ));
+}
+
+/**
+ * i2c_write - write data to an i2c device
+ * @chip: i2c chip addr
+ * @addr: memory (register) address in the chip
+ * @alen: byte size of address
+ * @buffer: buffer holding data to write to chip
+ * @len: how many bytes to write
+ * @return: 0 on success, non-0 on failure
+ */
+int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
+{
+ return i2c_transfer(chip, addr, alen, buffer, len, 0);
+}
+
+/**
+ * i2c_set_bus_num - change active I2C bus
+ * @bus: bus index, zero based
+ * @returns: 0 on success, non-0 on failure
+ */
+int i2c_set_bus_num(unsigned int bus)
+{
+ switch (bus) {
+#if CONFIG_SYS_MAX_I2C_BUS > 0
+ case 0: twi = (void *)TWI0_CLKDIV; return 0;
+#endif
+#if CONFIG_SYS_MAX_I2C_BUS > 1
+ case 1: twi = (void *)TWI1_CLKDIV; return 0;
+#endif
+#if CONFIG_SYS_MAX_I2C_BUS > 2
+ case 2: twi = (void *)TWI2_CLKDIV; return 0;
+#endif
+ default: return -1;
+ }
+}
+
+/**
+ * i2c_get_bus_num - returns index of active I2C bus
+ */
+unsigned int i2c_get_bus_num(void)
+{
+ switch ((unsigned long)twi) {
+#if CONFIG_SYS_MAX_I2C_BUS > 0
+ case TWI0_CLKDIV: return 0;
+#endif
+#if CONFIG_SYS_MAX_I2C_BUS > 1
+ case TWI1_CLKDIV: return 1;
+#endif
+#if CONFIG_SYS_MAX_I2C_BUS > 2
+ case TWI2_CLKDIV: return 2;
+#endif
+ default: return -1;
+ }
+}
+++ /dev/null
-/*
- * i2c.c - driver for Blackfin on-chip TWI/I2C
- *
- * Copyright (c) 2006-2010 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
- */
-
-#include <common.h>
-#include <i2c.h>
-
-#include <asm/blackfin.h>
-#include <asm/clock.h>
-#include <asm/mach-common/bits/twi.h>
-
-/* Every register is 32bit aligned, but only 16bits in size */
-#define ureg(name) u16 name; u16 __pad_##name;
-struct twi_regs {
- ureg(clkdiv);
- ureg(control);
- ureg(slave_ctl);
- ureg(slave_stat);
- ureg(slave_addr);
- ureg(master_ctl);
- ureg(master_stat);
- ureg(master_addr);
- ureg(int_stat);
- ureg(int_mask);
- ureg(fifo_ctl);
- ureg(fifo_stat);
- char __pad[0x50];
- ureg(xmt_data8);
- ureg(xmt_data16);
- ureg(rcv_data8);
- ureg(rcv_data16);
-};
-#undef ureg
-
-/* U-Boot I2C framework allows only one active device at a time. */
-#ifdef TWI_CLKDIV
-#define TWI0_CLKDIV TWI_CLKDIV
-#endif
-static volatile struct twi_regs *twi = (void *)TWI0_CLKDIV;
-
-#ifdef DEBUG
-# define dmemset(s, c, n) memset(s, c, n)
-#else
-# define dmemset(s, c, n)
-#endif
-#define debugi(fmt, args...) \
- debug( \
- "MSTAT:0x%03x FSTAT:0x%x ISTAT:0x%02x\t%-20s:%-3i: " fmt "\n", \
- twi->master_stat, twi->fifo_stat, twi->int_stat, \
- __func__, __LINE__, ## args)
-
-#ifdef CONFIG_TWICLK_KHZ
-# error do not define CONFIG_TWICLK_KHZ ... use CONFIG_SYS_I2C_SPEED
-#endif
-
-/*
- * The way speed is changed into duty often results in integer truncation
- * with 50% duty, so we'll force rounding up to the next duty by adding 1
- * to the max. In practice this will get us a speed of something like
- * 385 KHz. The other limit is easy to handle as it is only 8 bits.
- */
-#define I2C_SPEED_MAX 400000
-#define I2C_SPEED_TO_DUTY(speed) (5000000 / (speed))
-#define I2C_DUTY_MAX (I2C_SPEED_TO_DUTY(I2C_SPEED_MAX) + 1)
-#define I2C_DUTY_MIN 0xff /* 8 bit limited */
-#define SYS_I2C_DUTY I2C_SPEED_TO_DUTY(CONFIG_SYS_I2C_SPEED)
-/* Note: duty is inverse of speed, so the comparisons below are correct */
-#if SYS_I2C_DUTY < I2C_DUTY_MAX || SYS_I2C_DUTY > I2C_DUTY_MIN
-# error "The Blackfin I2C hardware can only operate 20KHz - 400KHz"
-#endif
-
-/* All transfers are described by this data structure */
-struct i2c_msg {
- u8 flags;
-#define I2C_M_COMBO 0x4
-#define I2C_M_STOP 0x2
-#define I2C_M_READ 0x1
- int len; /* msg length */
- u8 *buf; /* pointer to msg data */
- int alen; /* addr length */
- u8 *abuf; /* addr buffer */
-};
-
-/* Allow msec timeout per ~byte transfer */
-#define I2C_TIMEOUT 10
-
-/**
- * wait_for_completion - manage the actual i2c transfer
- * @msg: the i2c msg
- */
-static int wait_for_completion(struct i2c_msg *msg)
-{
- uint16_t int_stat;
- ulong timebase = get_timer(0);
-
- do {
- int_stat = twi->int_stat;
-
- if (int_stat & XMTSERV) {
- debugi("processing XMTSERV");
- twi->int_stat = XMTSERV;
- SSYNC();
- if (msg->alen) {
- twi->xmt_data8 = *(msg->abuf++);
- --msg->alen;
- } else if (!(msg->flags & I2C_M_COMBO) && msg->len) {
- twi->xmt_data8 = *(msg->buf++);
- --msg->len;
- } else {
- twi->master_ctl |= (msg->flags & I2C_M_COMBO) ? RSTART | MDIR : STOP;
- SSYNC();
- }
- }
- if (int_stat & RCVSERV) {
- debugi("processing RCVSERV");
- twi->int_stat = RCVSERV;
- SSYNC();
- if (msg->len) {
- *(msg->buf++) = twi->rcv_data8;
- --msg->len;
- } else if (msg->flags & I2C_M_STOP) {
- twi->master_ctl |= STOP;
- SSYNC();
- }
- }
- if (int_stat & MERR) {
- debugi("processing MERR");
- twi->int_stat = MERR;
- SSYNC();
- return msg->len;
- }
- if (int_stat & MCOMP) {
- debugi("processing MCOMP");
- twi->int_stat = MCOMP;
- SSYNC();
- if (msg->flags & I2C_M_COMBO && msg->len) {
- twi->master_ctl = (twi->master_ctl & ~RSTART) |
- (min(msg->len, 0xff) << 6) | MEN | MDIR;
- SSYNC();
- } else
- break;
- }
-
- /* If we were able to do something, reset timeout */
- if (int_stat)
- timebase = get_timer(0);
-
- } while (get_timer(timebase) < I2C_TIMEOUT);
-
- return msg->len;
-}
-
-/**
- * i2c_transfer - setup an i2c transfer
- * @return: 0 if things worked, non-0 if things failed
- *
- * Here we just get the i2c stuff all prepped and ready, and then tail off
- * into wait_for_completion() for all the bits to go.
- */
-static int i2c_transfer(uchar chip, uint addr, int alen, uchar *buffer, int len, u8 flags)
-{
- uchar addr_buffer[] = {
- (addr >> 0),
- (addr >> 8),
- (addr >> 16),
- };
- struct i2c_msg msg = {
- .flags = flags | (len >= 0xff ? I2C_M_STOP : 0),
- .buf = buffer,
- .len = len,
- .abuf = addr_buffer,
- .alen = alen,
- };
- int ret;
-
- dmemset(buffer, 0xff, len);
- debugi("chip=0x%x addr=0x%02x alen=%i buf[0]=0x%02x len=%i flags=0x%02x[%s] ",
- chip, addr, alen, buffer[0], len, flags, (flags & I2C_M_READ ? "rd" : "wr"));
-
- /* wait for things to settle */
- while (twi->master_stat & BUSBUSY)
- if (ctrlc())
- return 1;
-
- /* Set Transmit device address */
- twi->master_addr = chip;
-
- /* Clear the FIFO before starting things */
- twi->fifo_ctl = XMTFLUSH | RCVFLUSH;
- SSYNC();
- twi->fifo_ctl = 0;
- SSYNC();
-
- /* prime the pump */
- if (msg.alen) {
- len = (msg.flags & I2C_M_COMBO) ? msg.alen : msg.alen + len;
- debugi("first byte=0x%02x", *msg.abuf);
- twi->xmt_data8 = *(msg.abuf++);
- --msg.alen;
- } else if (!(msg.flags & I2C_M_READ) && msg.len) {
- debugi("first byte=0x%02x", *msg.buf);
- twi->xmt_data8 = *(msg.buf++);
- --msg.len;
- }
-
- /* clear int stat */
- twi->master_stat = -1;
- twi->int_stat = -1;
- twi->int_mask = 0;
- SSYNC();
-
- /* Master enable */
- twi->master_ctl =
- (twi->master_ctl & FAST) |
- (min(len, 0xff) << 6) | MEN |
- ((msg.flags & I2C_M_READ) ? MDIR : 0);
- SSYNC();
- debugi("CTL=0x%04x", twi->master_ctl);
-
- /* process the rest */
- ret = wait_for_completion(&msg);
- debugi("ret=%d", ret);
-
- if (ret) {
- twi->master_ctl &= ~MEN;
- twi->control &= ~TWI_ENA;
- SSYNC();
- twi->control |= TWI_ENA;
- SSYNC();
- }
-
- return ret;
-}
-
-/**
- * i2c_set_bus_speed - set i2c bus speed
- * @speed: bus speed (in HZ)
- */
-int i2c_set_bus_speed(unsigned int speed)
-{
- u16 clkdiv = I2C_SPEED_TO_DUTY(speed);
-
- /* Set TWI interface clock */
- if (clkdiv < I2C_DUTY_MAX || clkdiv > I2C_DUTY_MIN)
- return -1;
- twi->clkdiv = (clkdiv << 8) | (clkdiv & 0xff);
-
- /* Don't turn it on */
- twi->master_ctl = (speed > 100000 ? FAST : 0);
-
- return 0;
-}
-
-/**
- * i2c_get_bus_speed - get i2c bus speed
- * @speed: bus speed (in HZ)
- */
-unsigned int i2c_get_bus_speed(void)
-{
- /* 10 MHz / (2 * CLKDIV) -> 5 MHz / CLKDIV */
- return 5000000 / (twi->clkdiv & 0xff);
-}
-
-/**
- * i2c_init - initialize the i2c bus
- * @speed: bus speed (in HZ)
- * @slaveaddr: address of device in slave mode (0 - not slave)
- *
- * Slave mode isn't actually implemented. It'll stay that way until
- * we get a real request for it.
- */
-void i2c_init(int speed, int slaveaddr)
-{
- uint8_t prescale = ((get_i2c_clk() / 1000 / 1000 + 5) / 10) & 0x7F;
-
- /* Set TWI internal clock as 10MHz */
- twi->control = prescale;
-
- /* Set TWI interface clock as specified */
- i2c_set_bus_speed(speed);
-
- /* Enable it */
- twi->control = TWI_ENA | prescale;
- SSYNC();
-
- debugi("CONTROL:0x%04x CLKDIV:0x%04x", twi->control, twi->clkdiv);
-
-#if CONFIG_SYS_I2C_SLAVE
-# error I2C slave support not tested/supported
- /* If they want us as a slave, do it */
- if (slaveaddr) {
- twi->slave_addr = slaveaddr;
- twi->slave_ctl = SEN;
- }
-#endif
-}
-
-/**
- * i2c_probe - test if a chip exists at a given i2c address
- * @chip: i2c chip addr to search for
- * @return: 0 if found, non-0 if not found
- */
-int i2c_probe(uchar chip)
-{
- u8 byte;
- return i2c_read(chip, 0, 0, &byte, 1);
-}
-
-/**
- * i2c_read - read data from an i2c device
- * @chip: i2c chip addr
- * @addr: memory (register) address in the chip
- * @alen: byte size of address
- * @buffer: buffer to store data read from chip
- * @len: how many bytes to read
- * @return: 0 on success, non-0 on failure
- */
-int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
-{
- return i2c_transfer(chip, addr, alen, buffer, len, (alen ? I2C_M_COMBO : I2C_M_READ));
-}
-
-/**
- * i2c_write - write data to an i2c device
- * @chip: i2c chip addr
- * @addr: memory (register) address in the chip
- * @alen: byte size of address
- * @buffer: buffer holding data to write to chip
- * @len: how many bytes to write
- * @return: 0 on success, non-0 on failure
- */
-int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
-{
- return i2c_transfer(chip, addr, alen, buffer, len, 0);
-}
-
-/**
- * i2c_set_bus_num - change active I2C bus
- * @bus: bus index, zero based
- * @returns: 0 on success, non-0 on failure
- */
-int i2c_set_bus_num(unsigned int bus)
-{
- switch (bus) {
-#if CONFIG_SYS_MAX_I2C_BUS > 0
- case 0: twi = (void *)TWI0_CLKDIV; return 0;
-#endif
-#if CONFIG_SYS_MAX_I2C_BUS > 1
- case 1: twi = (void *)TWI1_CLKDIV; return 0;
-#endif
-#if CONFIG_SYS_MAX_I2C_BUS > 2
- case 2: twi = (void *)TWI2_CLKDIV; return 0;
-#endif
- default: return -1;
- }
-}
-
-/**
- * i2c_get_bus_num - returns index of active I2C bus
- */
-unsigned int i2c_get_bus_num(void)
-{
- switch ((unsigned long)twi) {
-#if CONFIG_SYS_MAX_I2C_BUS > 0
- case TWI0_CLKDIV: return 0;
-#endif
-#if CONFIG_SYS_MAX_I2C_BUS > 1
- case TWI1_CLKDIV: return 1;
-#endif
-#if CONFIG_SYS_MAX_I2C_BUS > 2
- case TWI2_CLKDIV: return 2;
-#endif
- default: return -1;
- }
-}
/*
* I2C Settings
*/
-#define CONFIG_BFIN_TWI_I2C 1
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C 1
/*
* I2C Settings
*/
-#define CONFIG_BFIN_TWI_I2C 1
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C 1
/*
* I2C Settings
*/
-#define CONFIG_BFIN_TWI_I2C 1
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C 1
/*
* I2C Settings
*/
-#define CONFIG_BFIN_TWI_I2C 1
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C 1
/*
* I2C Settings
*/
-#define CONFIG_BFIN_TWI_I2C 1
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C 1
/*
* I2C Settings
*/
-#define CONFIG_BFIN_TWI_I2C 1
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C 1
/*
* I2C settings
*/
-#define CONFIG_BFIN_TWI_I2C 1
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C 1
#define CONFIG_SYS_I2C_SPEED 50000
#define CONFIG_SYS_I2C_SLAVE 0
/*
* I2C settings
*/
-#define CONFIG_BFIN_TWI_I2C 1
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C 1
/*
* I2C settings
*/
-#define CONFIG_BFIN_TWI_I2C 1
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C 1
#define CONFIG_SYS_I2C_SPEED 50000
#define CONFIG_SYS_I2C_SLAVE 0
/*
* I2C Settings
*/
-#define CONFIG_BFIN_TWI_I2C 1
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C 1
/*
* I2C Settings
*/
-#define CONFIG_BFIN_TWI_I2C 1
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C 1
/*
* I2C Settings
*/
-#define CONFIG_BFIN_TWI_I2C 1
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C 1
#define CONFIG_PHYLIB
/* i2c Settings */
-#define CONFIG_BFIN_TWI_I2C
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C
/*
/*
* I2C Settings
*/
-#define CONFIG_BFIN_TWI_I2C
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C
/*
* I2C Settings
*/
-#define CONFIG_BFIN_TWI_I2C 1
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C 1
/*
* I2C Settings
*/
-#define CONFIG_BFIN_TWI_I2C 1
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C 1
/*
* I2C Settings
*/
-#define CONFIG_BFIN_TWI_I2C 1
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C 1
/*
* I2C Settings
*/
-#define CONFIG_BFIN_TWI_I2C 1
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C 1
/*
* I2C Settings
*/
-#define CONFIG_BFIN_TWI_I2C
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C
/*
* I2C Settings
*/
-#define CONFIG_BFIN_TWI_I2C 1
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C 1
/*
* I2C Settings
*/
-#define CONFIG_BFIN_TWI_I2C 1
+#define CONFIG_SYS_I2C_ADI
#define CONFIG_HARD_I2C 1
projects / oweals / u-boot.git / commitdiff