diff options
| -rw-r--r-- | README | 6 | ||||
| -rw-r--r-- | board/samsung/smdk5250/exynos5-dt.c | 2 | ||||
| -rw-r--r-- | board/samsung/trats/trats.c | 21 | ||||
| -rw-r--r-- | board/samsung/trats2/trats2.c | 35 | ||||
| -rw-r--r-- | common/cmd_eeprom.c | 4 | ||||
| -rw-r--r-- | drivers/i2c/Makefile | 2 | ||||
| -rw-r--r-- | drivers/i2c/fti2c010.c | 352 | ||||
| -rw-r--r-- | drivers/i2c/omap24xx_i2c.c | 6 | ||||
| -rw-r--r-- | drivers/i2c/s3c24x0_i2c.c | 284 | ||||
| -rw-r--r-- | include/configs/VCMA9.h | 8 | ||||
| -rw-r--r-- | include/configs/arndale.h | 9 | ||||
| -rw-r--r-- | include/configs/exynos5250-dt.h | 8 | ||||
| -rw-r--r-- | include/configs/trats.h | 25 | ||||
| -rw-r--r-- | include/configs/trats2.h | 27 | 
14 files changed, 473 insertions, 316 deletions
| @@ -2125,6 +2125,12 @@ CBFS (Coreboot Filesystem) support  		  - set CONFIG_SYS_I2C_ZYNQ_SPEED for speed setting  		  - set CONFIG_SYS_I2C_ZYNQ_SLAVE for slave addr +		- drivers/i2c/s3c24x0_i2c.c: +		  - activate this driver with CONFIG_SYS_I2C_S3C24X0 +		  - This driver adds i2c buses (11 for Exynos5250, Exynos5420 +		    9 i2c buses for Exynos4 and 1 for S3C24X0 SoCs from Samsung) +		    with a fix speed from 100000 and the slave addr 0! +  		additional defines:  		CONFIG_SYS_NUM_I2C_BUSES diff --git a/board/samsung/smdk5250/exynos5-dt.c b/board/samsung/smdk5250/exynos5-dt.c index 6bcc883b1..6aa050982 100644 --- a/board/samsung/smdk5250/exynos5-dt.c +++ b/board/samsung/smdk5250/exynos5-dt.c @@ -150,8 +150,6 @@ int power_init_board(void)  	set_ps_hold_ctrl(); -	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); -  	if (pmic_init(I2C_PMIC))  		return -1; diff --git a/board/samsung/trats/trats.c b/board/samsung/trats/trats.c index 7012c134f..44be5fcaf 100644 --- a/board/samsung/trats/trats.c +++ b/board/samsung/trats/trats.c @@ -57,15 +57,18 @@ int board_init(void)  void i2c_init_board(void)  { -	struct exynos4_gpio_part1 *gpio1 = -		(struct exynos4_gpio_part1 *)samsung_get_base_gpio_part1(); +	int err;  	struct exynos4_gpio_part2 *gpio2 =  		(struct exynos4_gpio_part2 *)samsung_get_base_gpio_part2(); -	/* I2C_5 -> PMIC -> Adapter 0 */ -	s5p_gpio_direction_output(&gpio1->b, 7, 1); -	s5p_gpio_direction_output(&gpio1->b, 6, 1); -	/* I2C_9 -> FG -> Adapter 1 */ +	/* I2C_5 -> PMIC */ +	err = exynos_pinmux_config(PERIPH_ID_I2C5, PINMUX_FLAG_NONE); +	if (err) { +		debug("I2C%d not configured\n", (I2C_5)); +		return; +	} + +	/* I2C_8 -> FG */  	s5p_gpio_direction_output(&gpio2->y4, 0, 1);  	s5p_gpio_direction_output(&gpio2->y4, 1, 1);  } @@ -290,10 +293,10 @@ int power_init_board(void)  	 * The FUEL_GAUGE is marked as I2C9 on the schematic, but connected  	 * to logical I2C adapter 1  	 */ -	ret = pmic_init(I2C_0); +	ret = pmic_init(I2C_5);  	ret |= pmic_init_max8997(); -	ret |= power_fg_init(I2C_1); -	ret |= power_muic_init(I2C_0); +	ret |= power_fg_init(I2C_8); +	ret |= power_muic_init(I2C_5);  	ret |= power_bat_init(0);  	if (ret)  		return ret; diff --git a/board/samsung/trats2/trats2.c b/board/samsung/trats2/trats2.c index d44d825e8..8df85ee39 100644 --- a/board/samsung/trats2/trats2.c +++ b/board/samsung/trats2/trats2.c @@ -115,12 +115,17 @@ static void board_external_gpio_init(void)  #ifdef CONFIG_SYS_I2C_INIT_BOARD  static void board_init_i2c(void)  { +	int err; +  	gpio1 = (struct exynos4x12_gpio_part1 *)EXYNOS4X12_GPIO_PART1_BASE;  	gpio2 = (struct exynos4x12_gpio_part2 *)EXYNOS4X12_GPIO_PART2_BASE;  	/* I2C_7 */ -	s5p_gpio_direction_output(&gpio1->d0, 2, 1); -	s5p_gpio_direction_output(&gpio1->d0, 3, 1); +	err = exynos_pinmux_config(PERIPH_ID_I2C7, PINMUX_FLAG_NONE); +	if (err) { +		debug("I2C%d not configured\n", (I2C_7)); +		return; +	}  	/* I2C_8 */  	s5p_gpio_direction_output(&gpio1->f1, 4, 1); @@ -132,6 +137,24 @@ static void board_init_i2c(void)  }  #endif +#ifdef CONFIG_SYS_I2C_SOFT +int get_soft_i2c_scl_pin(void) +{ +	if (I2C_ADAP_HWNR) +		return exynos4x12_gpio_part2_get_nr(m2, 1); /* I2C9 */ +	else +		return exynos4x12_gpio_part1_get_nr(f1, 4); /* I2C8 */ +} + +int get_soft_i2c_sda_pin(void) +{ +	if (I2C_ADAP_HWNR) +		return exynos4x12_gpio_part2_get_nr(m2, 0); /* I2C9 */ +	else +		return exynos4x12_gpio_part1_get_nr(f1, 5); /* I2C8 */ +} +#endif +  int board_early_init_f(void)  {  	check_hw_revision(); @@ -167,11 +190,11 @@ int power_init_board(void)  #ifdef CONFIG_SYS_I2C_INIT_BOARD  	board_init_i2c();  #endif -	pmic_init(I2C_0);		/* I2C adapter 0 - bus name I2C_5 */ +	pmic_init(I2C_7);		/* I2C adapter 7 - bus name s3c24x0_7 */  	pmic_init_max77686(); -	pmic_init_max77693(I2C_2);	/* I2C adapter 2 - bus name I2C_10 */ -	power_muic_init(I2C_2);		/* I2C adapter 2 - bus name I2C_10 */ -	power_fg_init(I2C_1);		/* I2C adapter 1 - bus name I2C_9 */ +	pmic_init_max77693(I2C_9);	/* I2C adapter 9 - bus name soft1 */ +	power_muic_init(I2C_9);		/* I2C adapter 9 - bus name soft1 */ +	power_fg_init(I2C_8);		/* I2C adapter 8 - bus name soft0 */  	power_bat_init(0);  	p_chrg = pmic_get("MAX77693_PMIC"); diff --git a/common/cmd_eeprom.c b/common/cmd_eeprom.c index 02539c40a..39248054f 100644 --- a/common/cmd_eeprom.c +++ b/common/cmd_eeprom.c @@ -161,7 +161,7 @@ int eeprom_read (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cnt  #if defined(CONFIG_SPI) && !defined(CONFIG_ENV_EEPROM_IS_ON_I2C)  		spi_read (addr, alen, buffer, len);  #else -		if (i2c_read (addr[0], addr[1], alen-1, buffer, len) != 0) +		if (i2c_read(addr[0], offset, alen - 1, buffer, len))  			rcode = 1;  #endif  		buffer += len; @@ -339,7 +339,7 @@ int eeprom_write (unsigned dev_addr, unsigned offset, uchar *buffer, unsigned cn  		/* Write is enabled ... now write eeprom value.  		 */  #endif -		if (i2c_write (addr[0], addr[1], alen-1, buffer, len) != 0) +		if (i2c_write(addr[0], offset, alen - 1, buffer, len))  			rcode = 1;  #endif diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile index 553b519cc..fa3a87570 100644 --- a/drivers/i2c/Makefile +++ b/drivers/i2c/Makefile @@ -12,7 +12,6 @@ obj-$(CONFIG_I2C_MVTWSI) += mvtwsi.o  obj-$(CONFIG_I2C_MV) += mv_i2c.o  obj-$(CONFIG_I2C_MXS) += mxs_i2c.o  obj-$(CONFIG_PCA9564_I2C) += pca9564_i2c.o -obj-$(CONFIG_DRIVER_S3C24X0_I2C) += s3c24x0_i2c.o  obj-$(CONFIG_TSI108_I2C) += tsi108_i2c.o  obj-$(CONFIG_U8500_I2C) += u8500_i2c.o  obj-$(CONFIG_SH_SH7734_I2C) += sh_sh7734_i2c.o @@ -24,6 +23,7 @@ obj-$(CONFIG_SYS_I2C_OMAP24XX) += omap24xx_i2c.o  obj-$(CONFIG_SYS_I2C_OMAP34XX) += omap24xx_i2c.o  obj-$(CONFIG_SYS_I2C_PPC4XX) += ppc4xx_i2c.o  obj-$(CONFIG_SYS_I2C_RCAR) += rcar_i2c.o +obj-$(CONFIG_SYS_I2C_S3C24X0) += s3c24x0_i2c.o  obj-$(CONFIG_SYS_I2C_SH) += sh_i2c.o  obj-$(CONFIG_SYS_I2C_SOFT) += soft_i2c.o  obj-$(CONFIG_SYS_I2C_TEGRA) += tegra_i2c.o diff --git a/drivers/i2c/fti2c010.c b/drivers/i2c/fti2c010.c index ddeb941fa..fb9fa353d 100644 --- a/drivers/i2c/fti2c010.c +++ b/drivers/i2c/fti2c010.c @@ -13,67 +13,78 @@  #include "fti2c010.h" -#ifndef CONFIG_HARD_I2C -#error "fti2c010: CONFIG_HARD_I2C is not defined" +#ifndef CONFIG_SYS_I2C_SPEED +#define CONFIG_SYS_I2C_SPEED    5000  #endif -#ifndef CONFIG_SYS_I2C_SPEED -#define CONFIG_SYS_I2C_SPEED    50000 +#ifndef CONFIG_SYS_I2C_SLAVE +#define CONFIG_SYS_I2C_SLAVE    0  #endif -#ifndef CONFIG_FTI2C010_FREQ -#define CONFIG_FTI2C010_FREQ    clk_get_rate("I2C") +#ifndef CONFIG_FTI2C010_CLOCK +#define CONFIG_FTI2C010_CLOCK   clk_get_rate("I2C")  #endif -/* command timeout */ -#define CFG_CMD_TIMEOUT         10 /* ms */ +#ifndef CONFIG_FTI2C010_TIMEOUT +#define CONFIG_FTI2C010_TIMEOUT 10 /* ms */ +#endif -/* 7-bit chip address + 1-bit read/write */ -#define I2C_RD(chip)            ((((chip) << 1) & 0xff) | 1) -#define I2C_WR(chip)            (((chip) << 1) & 0xff) +/* 7-bit dev address + 1-bit read/write */ +#define I2C_RD(dev)             ((((dev) << 1) & 0xfe) | 1) +#define I2C_WR(dev)             (((dev) << 1) & 0xfe)  struct fti2c010_chip { -	void __iomem *regs; -	uint bus; -	uint speed; +	struct fti2c010_regs *regs;  };  static struct fti2c010_chip chip_list[] = {  	{ -		.bus  = 0, -		.regs = (void __iomem *)CONFIG_FTI2C010_BASE, +		.regs = (struct fti2c010_regs *)CONFIG_FTI2C010_BASE,  	}, -#ifdef CONFIG_I2C_MULTI_BUS -# ifdef CONFIG_FTI2C010_BASE1 +#ifdef CONFIG_FTI2C010_BASE1  	{ -		.bus  = 1, -		.regs = (void __iomem *)CONFIG_FTI2C010_BASE1, +		.regs = (struct fti2c010_regs *)CONFIG_FTI2C010_BASE1,  	}, -# endif -# ifdef CONFIG_FTI2C010_BASE2 +#endif +#ifdef CONFIG_FTI2C010_BASE2  	{ -		.bus  = 2, -		.regs = (void __iomem *)CONFIG_FTI2C010_BASE2, +		.regs = (struct fti2c010_regs *)CONFIG_FTI2C010_BASE2,  	}, -# endif -# ifdef CONFIG_FTI2C010_BASE3 +#endif +#ifdef CONFIG_FTI2C010_BASE3  	{ -		.bus  = 3, -		.regs = (void __iomem *)CONFIG_FTI2C010_BASE3, +		.regs = (struct fti2c010_regs *)CONFIG_FTI2C010_BASE3,  	}, -# endif -#endif  /* #ifdef CONFIG_I2C_MULTI_BUS */ +#endif  }; -static struct fti2c010_chip *curr = chip_list; +static int fti2c010_reset(struct fti2c010_chip *chip) +{ +	ulong ts; +	int ret = -1; +	struct fti2c010_regs *regs = chip->regs; + +	writel(CR_I2CRST, ®s->cr); +	for (ts = get_timer(0); get_timer(ts) < CONFIG_FTI2C010_TIMEOUT; ) { +		if (!(readl(®s->cr) & CR_I2CRST)) { +			ret = 0; +			break; +		} +	} -static int fti2c010_wait(uint32_t mask) +	if (ret) +		printf("fti2c010: reset timeout\n"); + +	return ret; +} + +static int fti2c010_wait(struct fti2c010_chip *chip, uint32_t mask)  {  	int ret = -1;  	uint32_t stat, ts; -	struct fti2c010_regs *regs = curr->regs; +	struct fti2c010_regs *regs = chip->regs; -	for (ts = get_timer(0); get_timer(ts) < CFG_CMD_TIMEOUT; ) { +	for (ts = get_timer(0); get_timer(ts) < CONFIG_FTI2C010_TIMEOUT; ) {  		stat = readl(®s->sr);  		if ((stat & mask) == mask) {  			ret = 0; @@ -84,88 +95,124 @@ static int fti2c010_wait(uint32_t mask)  	return ret;  } -/* - * u-boot I2C API - */ +static unsigned int set_i2c_bus_speed(struct fti2c010_chip *chip, +	unsigned int speed) +{ +	struct fti2c010_regs *regs = chip->regs; +	unsigned int clk = CONFIG_FTI2C010_CLOCK; +	unsigned int gsr = 0; +	unsigned int tsr = 32; +	unsigned int div, rate; + +	for (div = 0; div < 0x3ffff; ++div) { +		/* SCLout = PCLK/(2*(COUNT + 2) + GSR) */ +		rate = clk / (2 * (div + 2) + gsr); +		if (rate <= speed) +			break; +	} + +	writel(TGSR_GSR(gsr) | TGSR_TSR(tsr), ®s->tgsr); +	writel(CDR_DIV(div), ®s->cdr); + +	return rate; +}  /*   * Initialization, must be called once on start up, may be called   * repeatedly to change the speed and slave addresses.   */ -void i2c_init(int speed, int slaveaddr) +static void fti2c010_init(struct i2c_adapter *adap, int speed, int slaveaddr)  { -	if (speed || !curr->speed) -		i2c_set_bus_speed(speed); +	struct fti2c010_chip *chip = chip_list + adap->hwadapnr; -	/* if slave mode disabled */ -	if (!slaveaddr) +	if (adap->init_done)  		return; -	/* -	 * TODO: -	 * Implement slave mode, but is it really necessary? -	 */ +#ifdef CONFIG_SYS_I2C_INIT_BOARD +	/* Call board specific i2c bus reset routine before accessing the +	 * environment, which might be in a chip on that bus. For details +	 * about this problem see doc/I2C_Edge_Conditions. +	*/ +	i2c_init_board(); +#endif + +	/* master init */ + +	fti2c010_reset(chip); + +	set_i2c_bus_speed(chip, speed); + +	/* slave init, don't care */ + +#ifdef CONFIG_SYS_I2C_BOARD_LATE_INIT +	/* Call board specific i2c bus reset routine AFTER the bus has been +	 * initialized. Use either this callpoint or i2c_init_board; +	 * which is called before fti2c010_init operations. +	 * For details about this problem see doc/I2C_Edge_Conditions. +	*/ +	i2c_board_late_init(); +#endif  }  /*   * Probe the given I2C chip address.  Returns 0 if a chip responded,   * not 0 on failure.   */ -int i2c_probe(uchar chip) +static int fti2c010_probe(struct i2c_adapter *adap, u8 dev)  { +	struct fti2c010_chip *chip = chip_list + adap->hwadapnr; +	struct fti2c010_regs *regs = chip->regs;  	int ret; -	struct fti2c010_regs *regs = curr->regs; - -	i2c_init(0, 0);  	/* 1. Select slave device (7bits Address + 1bit R/W) */ -	writel(I2C_WR(chip), ®s->dr); +	writel(I2C_WR(dev), ®s->dr);  	writel(CR_ENABLE | CR_TBEN | CR_START, ®s->cr); -	ret = fti2c010_wait(SR_DT); +	ret = fti2c010_wait(chip, SR_DT);  	if (ret)  		return ret;  	/* 2. Select device register */  	writel(0, ®s->dr);  	writel(CR_ENABLE | CR_TBEN, ®s->cr); -	ret = fti2c010_wait(SR_DT); +	ret = fti2c010_wait(chip, SR_DT);  	return ret;  } -/* - * Read/Write interface: - *   chip:    I2C chip address, range 0..127 - *   addr:    Memory (register) address within the chip - *   alen:    Number of bytes to use for addr (typically 1, 2 for larger - *              memories, 0 for register type devices with only one - *              register) - *   buffer:  Where to read/write the data - *   len:     How many bytes to read/write - * - *   Returns: 0 on success, not 0 on failure - */ -int i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len) +static void to_i2c_addr(u8 *buf, uint32_t addr, int alen) +{ +	int i, shift; + +	if (!buf || alen <= 0) +		return; + +	/* MSB first */ +	i = 0; +	shift = (alen - 1) * 8; +	while (alen-- > 0) { +		buf[i] = (u8)(addr >> shift); +		shift -= 8; +	} +} + +static int fti2c010_read(struct i2c_adapter *adap, +			u8 dev, uint addr, int alen, uchar *buf, int len)  { +	struct fti2c010_chip *chip = chip_list + adap->hwadapnr; +	struct fti2c010_regs *regs = chip->regs;  	int ret, pos;  	uchar paddr[4]; -	struct fti2c010_regs *regs = curr->regs; -	i2c_init(0, 0); - -	paddr[0] = (addr >> 0)  & 0xFF; -	paddr[1] = (addr >> 8)  & 0xFF; -	paddr[2] = (addr >> 16) & 0xFF; -	paddr[3] = (addr >> 24) & 0xFF; +	to_i2c_addr(paddr, addr, alen);  	/*  	 * Phase A. Set register address  	 */  	/* A.1 Select slave device (7bits Address + 1bit R/W) */ -	writel(I2C_WR(chip), ®s->dr); +	writel(I2C_WR(dev), ®s->dr);  	writel(CR_ENABLE | CR_TBEN | CR_START, ®s->cr); -	ret = fti2c010_wait(SR_DT); +	ret = fti2c010_wait(chip, SR_DT);  	if (ret)  		return ret; @@ -175,7 +222,7 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len)  		writel(paddr[pos], ®s->dr);  		writel(ctrl, ®s->cr); -		ret = fti2c010_wait(SR_DT); +		ret = fti2c010_wait(chip, SR_DT);  		if (ret)  			return ret;  	} @@ -185,9 +232,9 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len)  	 */  	/* B.1 Select slave device (7bits Address + 1bit R/W) */ -	writel(I2C_RD(chip), ®s->dr); +	writel(I2C_RD(dev), ®s->dr);  	writel(CR_ENABLE | CR_TBEN | CR_START, ®s->cr); -	ret = fti2c010_wait(SR_DT); +	ret = fti2c010_wait(chip, SR_DT);  	if (ret)  		return ret; @@ -201,7 +248,7 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len)  			stat |= SR_ACK;  		}  		writel(ctrl, ®s->cr); -		ret = fti2c010_wait(stat); +		ret = fti2c010_wait(chip, stat);  		if (ret)  			break;  		buf[pos] = (uchar)(readl(®s->dr) & 0xFF); @@ -210,39 +257,24 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len)  	return ret;  } -/* - * Read/Write interface: - *   chip:    I2C chip address, range 0..127 - *   addr:    Memory (register) address within the chip - *   alen:    Number of bytes to use for addr (typically 1, 2 for larger - *              memories, 0 for register type devices with only one - *              register) - *   buffer:  Where to read/write the data - *   len:     How many bytes to read/write - * - *   Returns: 0 on success, not 0 on failure - */ -int i2c_write(uchar chip, uint addr, int alen, uchar *buf, int len) +static int fti2c010_write(struct i2c_adapter *adap, +			u8 dev, uint addr, int alen, u8 *buf, int len)  { +	struct fti2c010_chip *chip = chip_list + adap->hwadapnr; +	struct fti2c010_regs *regs = chip->regs;  	int ret, pos;  	uchar paddr[4]; -	struct fti2c010_regs *regs = curr->regs; -	i2c_init(0, 0); - -	paddr[0] = (addr >> 0)  & 0xFF; -	paddr[1] = (addr >> 8)  & 0xFF; -	paddr[2] = (addr >> 16) & 0xFF; -	paddr[3] = (addr >> 24) & 0xFF; +	to_i2c_addr(paddr, addr, alen);  	/*  	 * Phase A. Set register address  	 *  	 * A.1 Select slave device (7bits Address + 1bit R/W)  	 */ -	writel(I2C_WR(chip), ®s->dr); +	writel(I2C_WR(dev), ®s->dr);  	writel(CR_ENABLE | CR_TBEN | CR_START, ®s->cr); -	ret = fti2c010_wait(SR_DT); +	ret = fti2c010_wait(chip, SR_DT);  	if (ret)  		return ret; @@ -252,7 +284,7 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buf, int len)  		writel(paddr[pos], ®s->dr);  		writel(ctrl, ®s->cr); -		ret = fti2c010_wait(SR_DT); +		ret = fti2c010_wait(chip, SR_DT);  		if (ret)  			return ret;  	} @@ -267,7 +299,7 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buf, int len)  			ctrl |= CR_STOP;  		writel(buf[pos], ®s->dr);  		writel(ctrl, ®s->cr); -		ret = fti2c010_wait(SR_DT); +		ret = fti2c010_wait(chip, SR_DT);  		if (ret)  			break;  	} @@ -275,94 +307,40 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buf, int len)  	return ret;  } -/* - * Functions for setting the current I2C bus and its speed - */ -#ifdef CONFIG_I2C_MULTI_BUS - -/* - * i2c_set_bus_num: - * - *  Change the active I2C bus.  Subsequent read/write calls will - *  go to this one. - * - *    bus - bus index, zero based - * - *    Returns: 0 on success, not 0 on failure - */ -int i2c_set_bus_num(uint bus) -{ -	if (bus >= ARRAY_SIZE(chip_list)) -		return -1; -	curr = chip_list + bus; -	i2c_init(0, 0); -	return 0; -} - -/* - * i2c_get_bus_num: - * - *  Returns index of currently active I2C bus.  Zero-based. - */ - -uint i2c_get_bus_num(void) -{ -	return curr->bus; -} - -#endif    /* #ifdef CONFIG_I2C_MULTI_BUS */ - -/* - * i2c_set_bus_speed: - * - *  Change the speed of the active I2C bus - * - *    speed - bus speed in Hz - * - *    Returns: 0 on success, not 0 on failure - */ -int i2c_set_bus_speed(uint speed) +static unsigned int fti2c010_set_bus_speed(struct i2c_adapter *adap, +			unsigned int speed)  { -	struct fti2c010_regs *regs = curr->regs; -	uint clk = CONFIG_FTI2C010_FREQ; -	uint gsr = 0, tsr = 32; -	uint spd, div; - -	if (!speed) -		speed = CONFIG_SYS_I2C_SPEED; - -	for (div = 0; div < 0x3ffff; ++div) { -		/* SCLout = PCLK/(2*(COUNT + 2) + GSR) */ -		spd = clk / (2 * (div + 2) + gsr); -		if (spd <= speed) -			break; -	} - -	if (curr->speed == spd) -		return 0; - -	writel(CR_I2CRST, ®s->cr); -	mdelay(100); -	if (readl(®s->cr) & CR_I2CRST) { -		printf("fti2c010: reset timeout\n"); -		return -1; -	} +	struct fti2c010_chip *chip = chip_list + adap->hwadapnr; +	int ret; -	curr->speed = spd; +	fti2c010_reset(chip); +	ret = set_i2c_bus_speed(chip, speed); -	writel(TGSR_GSR(gsr) | TGSR_TSR(tsr), ®s->tgsr); -	writel(CDR_DIV(div), ®s->cdr); - -	return 0; +	return ret;  }  /* - * i2c_get_bus_speed: - * - *  Returns speed of currently active I2C bus in Hz + * Register i2c adapters   */ - -uint i2c_get_bus_speed(void) -{ -	return curr->speed; -} +U_BOOT_I2C_ADAP_COMPLETE(i2c_0, fti2c010_init, fti2c010_probe, fti2c010_read, +			fti2c010_write, fti2c010_set_bus_speed, +			CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE, +			0) +#ifdef CONFIG_FTI2C010_BASE1 +U_BOOT_I2C_ADAP_COMPLETE(i2c_1, fti2c010_init, fti2c010_probe, fti2c010_read, +			fti2c010_write, fti2c010_set_bus_speed, +			CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE, +			1) +#endif +#ifdef CONFIG_FTI2C010_BASE2 +U_BOOT_I2C_ADAP_COMPLETE(i2c_2, fti2c010_init, fti2c010_probe, fti2c010_read, +			fti2c010_write, fti2c010_set_bus_speed, +			CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE, +			2) +#endif +#ifdef CONFIG_FTI2C010_BASE3 +U_BOOT_I2C_ADAP_COMPLETE(i2c_3, fti2c010_init, fti2c010_probe, fti2c010_read, +			fti2c010_write, fti2c010_set_bus_speed, +			CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE, +			3) +#endif diff --git a/drivers/i2c/omap24xx_i2c.c b/drivers/i2c/omap24xx_i2c.c index 3d38c035b..c7840049b 100644 --- a/drivers/i2c/omap24xx_i2c.c +++ b/drivers/i2c/omap24xx_i2c.c @@ -158,7 +158,6 @@ static void omap24_i2c_init(struct i2c_adapter *adap, int speed, int slaveadd)  	udelay(1000);  	flush_fifo(adap);  	writew(0xFFFF, &i2c_base->stat); -	writew(0, &i2c_base->cnt);  }  static void flush_fifo(struct i2c_adapter *adap) @@ -198,8 +197,6 @@ static int omap24_i2c_probe(struct i2c_adapter *adap, uchar chip)  		return res;  	/* No data transfer, slave addr only */ -	writew(0, &i2c_base->cnt); -	/* Set slave address */  	writew(chip, &i2c_base->sa);  	/* Stop bit needed here */  	writew(I2C_CON_EN | I2C_CON_MST | I2C_CON_STT | I2C_CON_TRX | @@ -234,7 +231,6 @@ static int omap24_i2c_probe(struct i2c_adapter *adap, uchar chip)  pr_exit:  	flush_fifo(adap);  	writew(0xFFFF, &i2c_base->stat); -	writew(0, &i2c_base->cnt);  	return res;  } @@ -372,7 +368,6 @@ static int omap24_i2c_read(struct i2c_adapter *adap, uchar chip, uint addr,  rd_exit:  	flush_fifo(adap);  	writew(0xFFFF, &i2c_base->stat); -	writew(0, &i2c_base->cnt);  	return i2c_error;  } @@ -473,7 +468,6 @@ static int omap24_i2c_write(struct i2c_adapter *adap, uchar chip, uint addr,  wr_exit:  	flush_fifo(adap);  	writew(0xFFFF, &i2c_base->stat); -	writew(0, &i2c_base->cnt);  	return i2c_error;  } diff --git a/drivers/i2c/s3c24x0_i2c.c b/drivers/i2c/s3c24x0_i2c.c index f77a9d1a1..fd328f054 100644 --- a/drivers/i2c/s3c24x0_i2c.c +++ b/drivers/i2c/s3c24x0_i2c.c @@ -23,8 +23,6 @@  #include <i2c.h>  #include "s3c24x0_i2c.h" -#ifdef CONFIG_HARD_I2C -  #define	I2C_WRITE	0  #define I2C_READ	1 @@ -127,7 +125,6 @@   * For SPL boot some boards need i2c before SDRAM is initialised so force   * variables to live in SRAM   */ -static unsigned int g_current_bus __attribute__((section(".data")));  static struct s3c24x0_i2c_bus i2c_bus[CONFIG_MAX_I2C_NUM]  			__attribute__((section(".data"))); @@ -254,17 +251,17 @@ static void ReadWriteByte(struct s3c24x0_i2c *i2c)  	writel(readl(&i2c->iiccon) & ~I2CCON_IRPND, &i2c->iiccon);  } -static struct s3c24x0_i2c *get_base_i2c(void) +static struct s3c24x0_i2c *get_base_i2c(int bus)  {  #ifdef CONFIG_EXYNOS4  	struct s3c24x0_i2c *i2c = (struct s3c24x0_i2c *)(samsung_get_base_i2c()  							+ (EXYNOS4_I2C_SPACING -							* g_current_bus)); +							* bus));  	return i2c;  #elif defined CONFIG_EXYNOS5  	struct s3c24x0_i2c *i2c = (struct s3c24x0_i2c *)(samsung_get_base_i2c()  							+ (EXYNOS5_I2C_SPACING -							* g_current_bus)); +							* bus));  	return i2c;  #else  	return s3c24x0_get_base_i2c(); @@ -298,7 +295,6 @@ static void i2c_ch_init(struct s3c24x0_i2c *i2c, int speed, int slaveadd)  	writel(I2C_MODE_MT | I2C_TXRX_ENA, &i2c->iicstat);  } -#ifdef CONFIG_I2C_MULTI_BUS  static int hsi2c_get_clk_details(struct s3c24x0_i2c_bus *i2c_bus)  {  	struct exynos5_hsi2c *hsregs = i2c_bus->hsregs; @@ -307,8 +303,10 @@ static int hsi2c_get_clk_details(struct s3c24x0_i2c_bus *i2c_bus)  	unsigned int i = 0, utemp0 = 0, utemp1 = 0;  	unsigned int t_ftl_cycle; -#if defined CONFIG_EXYNOS5 +#if (defined CONFIG_EXYNOS4 || defined CONFIG_EXYNOS5)  	clkin = get_i2c_clk(); +#else +	clkin = get_PCLK();  #endif  	/* FPCLK / FI2C =  	 * (CLK_DIV + 1) * (TSCLK_L + TSCLK_H + 2) + 8 + 2 * FLT_CYCLE @@ -330,7 +328,6 @@ static int hsi2c_get_clk_details(struct s3c24x0_i2c_bus *i2c_bus)  	}  	return -1;  } -#endif  static void hsi2c_ch_init(struct s3c24x0_i2c_bus *i2c_bus)  { @@ -401,49 +398,18 @@ static void exynos5_i2c_reset(struct s3c24x0_i2c_bus *i2c_bus)  	hsi2c_ch_init(i2c_bus);  } -/* - * MULTI BUS I2C support - */ - -#ifdef CONFIG_I2C_MULTI_BUS -int i2c_set_bus_num(unsigned int bus) -{ -	struct s3c24x0_i2c_bus *i2c_bus; - -	i2c_bus = get_bus(bus); -	if (!i2c_bus) -		return -1; -	g_current_bus = bus; - -	if (i2c_bus->is_highspeed) { -		if (hsi2c_get_clk_details(i2c_bus)) -			return -1; -		hsi2c_ch_init(i2c_bus); -	} else { -		i2c_ch_init(i2c_bus->regs, i2c_bus->clock_frequency, -						CONFIG_SYS_I2C_SLAVE); -	} - -	return 0; -} - -unsigned int i2c_get_bus_num(void) -{ -	return g_current_bus; -} -#endif - -void i2c_init(int speed, int slaveadd) +static void s3c24x0_i2c_init(struct i2c_adapter *adap, int speed, int slaveadd)  {  	struct s3c24x0_i2c *i2c; +	struct s3c24x0_i2c_bus *bus; +  #if !(defined CONFIG_EXYNOS4 || defined CONFIG_EXYNOS5)  	struct s3c24x0_gpio *gpio = s3c24x0_get_base_gpio();  #endif  	ulong start_time = get_timer(0);  	/* By default i2c channel 0 is the current bus */ -	g_current_bus = 0; -	i2c = get_base_i2c(); +	i2c = get_base_i2c(adap->hwadapnr);  	/*  	 * In case the previous transfer is still going, wait to give it a @@ -505,6 +471,10 @@ void i2c_init(int speed, int slaveadd)  	}  #endif /* #if !(defined CONFIG_EXYNOS4 || defined CONFIG_EXYNOS5) */  	i2c_ch_init(i2c, speed, slaveadd); + +	bus = &i2c_bus[adap->hwadapnr]; +	bus->active = true; +	bus->regs = i2c;  }  /* @@ -728,6 +698,40 @@ static int hsi2c_read(struct exynos5_hsi2c *i2c,  	return rv;  } +static unsigned int s3c24x0_i2c_set_bus_speed(struct i2c_adapter *adap, +					  unsigned int speed) +{ +	struct s3c24x0_i2c_bus *i2c_bus; + +	i2c_bus = get_bus(adap->hwadapnr); +	if (!i2c_bus) +		return -1; + +	i2c_bus->clock_frequency = speed; + +	if (i2c_bus->is_highspeed) { +		if (hsi2c_get_clk_details(i2c_bus)) +			return -1; +		hsi2c_ch_init(i2c_bus); +	} else { +		i2c_ch_init(i2c_bus->regs, i2c_bus->clock_frequency, +			    CONFIG_SYS_I2C_S3C24X0_SLAVE); +	} + +	return 0; +} + +#ifdef CONFIG_EXYNOS5 +static void exynos_i2c_init(struct i2c_adapter *adap, int speed, int slaveaddr) +{ +	/* This will override the speed selected in the fdt for that port */ +	debug("i2c_init(speed=%u, slaveaddr=0x%x)\n", speed, slaveaddr); +	if (i2c_set_bus_speed(speed)) +		printf("i2c_init: failed to init bus %d for speed = %d\n", +						adap->hwadapnr, speed); +} +#endif +  /*   * cmd_type is 0 for write, 1 for read.   * @@ -840,13 +844,13 @@ bailout:  	return result;  } -int i2c_probe(uchar chip) +static int s3c24x0_i2c_probe(struct i2c_adapter *adap, uchar chip)  {  	struct s3c24x0_i2c_bus *i2c_bus;  	uchar buf[1];  	int ret; -	i2c_bus = get_bus(g_current_bus); +	i2c_bus = get_bus(adap->hwadapnr);  	if (!i2c_bus)  		return -1;  	buf[0] = 0; @@ -864,11 +868,11 @@ int i2c_probe(uchar chip)  				I2C_READ, chip << 1, 0, 0, buf, 1);  	} -  	return ret != I2C_OK;  } -int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len) +static int s3c24x0_i2c_read(struct i2c_adapter *adap, uchar chip, uint addr, +			    int alen, uchar *buffer, int len)  {  	struct s3c24x0_i2c_bus *i2c_bus;  	uchar xaddr[4]; @@ -902,7 +906,7 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)  		chip |= ((addr >> (alen * 8)) &  			 CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW);  #endif -	i2c_bus = get_bus(g_current_bus); +	i2c_bus = get_bus(adap->hwadapnr);  	if (!i2c_bus)  		return -1; @@ -922,7 +926,8 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)  	return 0;  } -int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len) +static int s3c24x0_i2c_write(struct i2c_adapter *adap, uchar chip, uint addr, +			 int alen, uchar *buffer, int len)  {  	struct s3c24x0_i2c_bus *i2c_bus;  	uchar xaddr[4]; @@ -955,7 +960,7 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)  		chip |= ((addr >> (alen * 8)) &  			 CONFIG_SYS_I2C_EEPROM_ADDR_OVERFLOW);  #endif -	i2c_bus = get_bus(g_current_bus); +	i2c_bus = get_bus(adap->hwadapnr);  	if (!i2c_bus)  		return -1; @@ -1001,8 +1006,8 @@ static void process_nodes(const void *blob, int node_list[], int count,  		bus->id = pinmux_decode_periph_id(blob, node);  		bus->clock_frequency = fdtdec_get_int(blob, node, -						      "clock-frequency", -						      CONFIG_SYS_I2C_SPEED); +						"clock-frequency", +						CONFIG_SYS_I2C_S3C24X0_SPEED);  		bus->node = node;  		bus->bus_num = i;  		exynos_pinmux_config(bus->id, 0); @@ -1044,7 +1049,6 @@ int i2c_get_bus_num_fdt(int node)  	return -1;  } -#ifdef CONFIG_I2C_MULTI_BUS  int i2c_reset_port_fdt(const void *blob, int node)  {  	struct s3c24x0_i2c_bus *i2c_bus; @@ -1068,12 +1072,178 @@ int i2c_reset_port_fdt(const void *blob, int node)  		hsi2c_ch_init(i2c_bus);  	} else {  		i2c_ch_init(i2c_bus->regs, i2c_bus->clock_frequency, -						CONFIG_SYS_I2C_SLAVE); +			    CONFIG_SYS_I2C_S3C24X0_SLAVE);  	}  	return 0;  }  #endif -#endif -#endif /* CONFIG_HARD_I2C */ +/* + * Register s3c24x0 i2c adapters + */ +#if defined(CONFIG_EXYNOS5420) +U_BOOT_I2C_ADAP_COMPLETE(i2c00, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 0) +U_BOOT_I2C_ADAP_COMPLETE(i2c01, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 1) +U_BOOT_I2C_ADAP_COMPLETE(i2c02, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 2) +U_BOOT_I2C_ADAP_COMPLETE(i2c03, exynos_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 3) +U_BOOT_I2C_ADAP_COMPLETE(i2c04, exynos_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 4) +U_BOOT_I2C_ADAP_COMPLETE(i2c05, exynos_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 5) +U_BOOT_I2C_ADAP_COMPLETE(i2c06, exynos_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 6) +U_BOOT_I2C_ADAP_COMPLETE(i2c07, exynos_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 7) +U_BOOT_I2C_ADAP_COMPLETE(i2c08, exynos_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 8) +U_BOOT_I2C_ADAP_COMPLETE(i2c09, exynos_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 9) +U_BOOT_I2C_ADAP_COMPLETE(i2c10, exynos_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 10) +#elif defined(CONFIG_EXYNOS5250) +U_BOOT_I2C_ADAP_COMPLETE(i2c00, exynos_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 0) +U_BOOT_I2C_ADAP_COMPLETE(i2c01, exynos_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 1) +U_BOOT_I2C_ADAP_COMPLETE(i2c02, exynos_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 2) +U_BOOT_I2C_ADAP_COMPLETE(i2c03, exynos_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 3) +U_BOOT_I2C_ADAP_COMPLETE(i2c04, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 4) +U_BOOT_I2C_ADAP_COMPLETE(i2c05, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 5) +U_BOOT_I2C_ADAP_COMPLETE(i2c06, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 6) +U_BOOT_I2C_ADAP_COMPLETE(i2c07, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 7) +U_BOOT_I2C_ADAP_COMPLETE(i2c08, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 8) +U_BOOT_I2C_ADAP_COMPLETE(i2c09, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 9) +U_BOOT_I2C_ADAP_COMPLETE(s3c10, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 10) +#elif defined(CONFIG_EXYNOS4) +U_BOOT_I2C_ADAP_COMPLETE(i2c00, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 0) +U_BOOT_I2C_ADAP_COMPLETE(i2c01, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 1) +U_BOOT_I2C_ADAP_COMPLETE(i2c02, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 2) +U_BOOT_I2C_ADAP_COMPLETE(i2c03, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 3) +U_BOOT_I2C_ADAP_COMPLETE(i2c04, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 4) +U_BOOT_I2C_ADAP_COMPLETE(i2c05, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 5) +U_BOOT_I2C_ADAP_COMPLETE(i2c06, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 6) +U_BOOT_I2C_ADAP_COMPLETE(i2c07, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 7) +U_BOOT_I2C_ADAP_COMPLETE(i2c08, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 8) +#else +U_BOOT_I2C_ADAP_COMPLETE(s3c0, s3c24x0_i2c_init, s3c24x0_i2c_probe, +			s3c24x0_i2c_read, s3c24x0_i2c_write, +			s3c24x0_i2c_set_bus_speed, +			CONFIG_SYS_I2C_S3C24X0_SPEED, +			CONFIG_SYS_I2C_S3C24X0_SLAVE, 0) +#endif diff --git a/include/configs/VCMA9.h b/include/configs/VCMA9.h index 79a607937..57b620d48 100644 --- a/include/configs/VCMA9.h +++ b/include/configs/VCMA9.h @@ -73,12 +73,12 @@   * the MPL VCMA9 is equipped with an ATMEL 24C256 EEPROM at   * address 0x50 with 16bit addressing   */ -#define CONFIG_HARD_I2C				/* I2C with hardware support */ -#define CONFIG_SYS_I2C_SPEED		100000	/* I2C speed */ -#define CONFIG_SYS_I2C_SLAVE		0x7F	/* I2C slave addr */ +#define CONFIG_SYS_I2C  /* we use the built-in I2C controller */ -#define CONFIG_DRIVER_S3C24X0_I2C +#define CONFIG_SYS_I2C_S3C24X0 +#define CONFIG_SYS_I2C_S3C24X0_SPEED    100000	/* I2C speed */ +#define CONFIG_SYS_I2C_S3C24X0_SLAVE    0x7F	/* I2C slave addr */  #define CONFIG_SYS_I2C_EEPROM_ADDR	0x50  #define CONFIG_SYS_I2C_EEPROM_ADDR_LEN	2 diff --git a/include/configs/arndale.h b/include/configs/arndale.h index 45fa047b3..ea8753b54 100644 --- a/include/configs/arndale.h +++ b/include/configs/arndale.h @@ -214,13 +214,12 @@  /* I2C */  #define CONFIG_SYS_I2C_INIT_BOARD -#define CONFIG_HARD_I2C +#define CONFIG_SYS_I2C  #define CONFIG_CMD_I2C -#define CONFIG_SYS_I2C_SPEED	100000		/* 100 Kbps */ -#define CONFIG_DRIVER_S3C24X0_I2C -#define CONFIG_I2C_MULTI_BUS +#define CONFIG_SYS_I2C_S3C24X0_SPEED	100000		/* 100 Kbps */ +#define CONFIG_SYS_I2C_S3C24X0  #define CONFIG_MAX_I2C_NUM	8 -#define CONFIG_SYS_I2C_SLAVE    0x0 +#define CONFIG_SYS_I2C_S3C24X0_SLAVE    0x0  #define CONFIG_I2C_EDID  /* PMIC */ diff --git a/include/configs/exynos5250-dt.h b/include/configs/exynos5250-dt.h index bdefee108..0155322a3 100644 --- a/include/configs/exynos5250-dt.h +++ b/include/configs/exynos5250-dt.h @@ -249,13 +249,13 @@  /* I2C */  #define CONFIG_SYS_I2C_INIT_BOARD -#define CONFIG_HARD_I2C +#define CONFIG_SYS_I2C  #define CONFIG_CMD_I2C -#define CONFIG_SYS_I2C_SPEED	100000		/* 100 Kbps */ -#define CONFIG_DRIVER_S3C24X0_I2C +#define CONFIG_SYS_I2C_S3C24X0_SPEED	100000		/* 100 Kbps */ +#define CONFIG_SYS_I2C_S3C24X0  #define CONFIG_I2C_MULTI_BUS  #define CONFIG_MAX_I2C_NUM	8 -#define CONFIG_SYS_I2C_SLAVE    0x0 +#define CONFIG_SYS_I2C_S3C24X0_SLAVE    0x0  #define CONFIG_I2C_EDID  /* PMIC */ diff --git a/include/configs/trats.h b/include/configs/trats.h index 3d080c4d1..f16330314 100644 --- a/include/configs/trats.h +++ b/include/configs/trats.h @@ -16,6 +16,7 @@   */  #define CONFIG_SAMSUNG		/* in a SAMSUNG core */  #define CONFIG_S5P		/* which is in a S5P Family */ +#define CONFIG_EXYNOS4		/* which is in a EXYNOS4XXX */  #define CONFIG_EXYNOS4210	/* which is in a EXYNOS4210 */  #define CONFIG_TRATS		/* working with TRATS */  #define CONFIG_TIZEN		/* TIZEN lib */ @@ -268,31 +269,21 @@  #define CONFIG_SYS_CACHELINE_SIZE       32  #define CONFIG_SYS_I2C +#define CONFIG_SYS_I2C_S3C24X0 +#define CONFIG_SYS_I2C_S3C24X0_SPEED	100000 +#define CONFIG_SYS_I2C_S3C24X0_SLAVE	0xFE +#define CONFIG_MAX_I2C_NUM		8  #define CONFIG_SYS_I2C_SOFT		/* I2C bit-banged */  #define CONFIG_SYS_I2C_SOFT_SPEED	50000 -#define CONFIG_SYS_I2C_SOFT_SLAVE	0xFE -#define I2C_SOFT_DECLARATIONS2 -#define CONFIG_SYS_I2C_SOFT_SPEED_2     50000 -#define CONFIG_SYS_I2C_SOFT_SLAVE_2     0x7F +#define CONFIG_SYS_I2C_SOFT_SLAVE	0x7F  #define CONFIG_SOFT_I2C_READ_REPEATED_START  #define CONFIG_SYS_I2C_INIT_BOARD -#define CONFIG_I2C_MULTI_BUS -#define CONFIG_SOFT_I2C_MULTI_BUS -#define CONFIG_SYS_MAX_I2C_BUS	15  #include <asm/arch/gpio.h> -/* I2C PMIC */ -#define CONFIG_SOFT_I2C_I2C5_SCL exynos4_gpio_part1_get_nr(b, 7) -#define CONFIG_SOFT_I2C_I2C5_SDA exynos4_gpio_part1_get_nr(b, 6) -  /* I2C FG */ -#define CONFIG_SOFT_I2C_I2C9_SCL exynos4_gpio_part2_get_nr(y4, 1) -#define CONFIG_SOFT_I2C_I2C9_SDA exynos4_gpio_part2_get_nr(y4, 0) - -#define CONFIG_SOFT_I2C_GPIO_SCL get_multi_scl_pin() -#define CONFIG_SOFT_I2C_GPIO_SDA get_multi_sda_pin() -#define I2C_INIT multi_i2c_init() +#define CONFIG_SOFT_I2C_GPIO_SCL exynos4_gpio_part2_get_nr(y4, 1) +#define CONFIG_SOFT_I2C_GPIO_SDA exynos4_gpio_part2_get_nr(y4, 0)  #define CONFIG_POWER  #define CONFIG_POWER_I2C diff --git a/include/configs/trats2.h b/include/configs/trats2.h index 0e93836c0..3bcdfb140 100644 --- a/include/configs/trats2.h +++ b/include/configs/trats2.h @@ -260,30 +260,25 @@  #include <asm/arch/gpio.h>  #define CONFIG_SYS_I2C -#define CONFIG_SYS_I2C_SOFT		/* I2C bit-banged */ +#define CONFIG_SYS_I2C_S3C24X0 +#define CONFIG_SYS_I2C_S3C24X0_SPEED	100000 +#define CONFIG_SYS_I2C_S3C24X0_SLAVE	0 +#define CONFIG_MAX_I2C_NUM		8 +#define CONFIG_SYS_I2C_SOFT  #define CONFIG_SYS_I2C_SOFT_SPEED	50000  #define CONFIG_SYS_I2C_SOFT_SLAVE	0x00  #define I2C_SOFT_DECLARATIONS2  #define CONFIG_SYS_I2C_SOFT_SPEED_2     50000  #define CONFIG_SYS_I2C_SOFT_SLAVE_2     0x00 -#define I2C_SOFT_DECLARATIONS3 -#define CONFIG_SYS_I2C_SOFT_SPEED_3     50000 -#define CONFIG_SYS_I2C_SOFT_SLAVE_3     0x00  #define CONFIG_SOFT_I2C_READ_REPEATED_START  #define CONFIG_SYS_I2C_INIT_BOARD -#define CONFIG_I2C_MULTI_BUS -#define CONFIG_SOFT_I2C_MULTI_BUS -#define CONFIG_SYS_MAX_I2C_BUS		15 -#define CONFIG_SOFT_I2C_I2C5_SCL exynos4x12_gpio_part1_get_nr(d0, 3) -#define CONFIG_SOFT_I2C_I2C5_SDA exynos4x12_gpio_part1_get_nr(d0, 2) -#define CONFIG_SOFT_I2C_I2C9_SCL exynos4x12_gpio_part1_get_nr(f1, 4) -#define CONFIG_SOFT_I2C_I2C9_SDA exynos4x12_gpio_part1_get_nr(f1, 5) -#define CONFIG_SOFT_I2C_I2C10_SCL exynos4x12_gpio_part2_get_nr(m2, 1) -#define CONFIG_SOFT_I2C_I2C10_SDA exynos4x12_gpio_part2_get_nr(m2, 0) -#define CONFIG_SOFT_I2C_GPIO_SCL get_multi_scl_pin() -#define CONFIG_SOFT_I2C_GPIO_SDA get_multi_sda_pin() -#define I2C_INIT multi_i2c_init() +#ifndef __ASSEMBLY__ +int get_soft_i2c_scl_pin(void); +int get_soft_i2c_sda_pin(void); +#endif +#define CONFIG_SOFT_I2C_GPIO_SCL	get_soft_i2c_scl_pin() +#define CONFIG_SOFT_I2C_GPIO_SDA	get_soft_i2c_sda_pin()  /* POWER */  #define CONFIG_POWER |