Merge branch 'master' of git://git.denx.de/u-boot-arm

15 files changed, 212 insertions, 609 deletions

diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index 37ccbd1423..df3092eaf0 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -21,7 +21,6 @@ COBJS-$(CONFIG_DRIVER_OMAP24XX_I2C) += omap24xx_i2c.o
 COBJS-$(CONFIG_DRIVER_OMAP34XX_I2C) += omap24xx_i2c.o
 COBJS-$(CONFIG_PCA9564_I2C) += pca9564_i2c.o
 COBJS-$(CONFIG_DRIVER_S3C24X0_I2C) += s3c24x0_i2c.o
-COBJS-$(CONFIG_S3C44B0_I2C) += s3c44b0_i2c.o
 COBJS-$(CONFIG_TSI108_I2C) += tsi108_i2c.o
 COBJS-$(CONFIG_U8500_I2C) += u8500_i2c.o
 COBJS-$(CONFIG_SH_I2C) += sh_i2c.o
diff --git a/drivers/i2c/s3c44b0_i2c.c b/drivers/i2c/s3c44b0_i2c.c
deleted file mode 100644
index 8445e01caf..0000000000
--- a/drivers/i2c/s3c44b0_i2c.c
+++ /dev/null
@@ -1,299 +0,0 @@
-/*
- * (C) Copyright 2004
- * DAVE Srl
- * http://www.dave-tech.it
- * http://www.wawnet.biz
- * mailto:info@wawnet.biz
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <command.h>
-#include <asm/hardware.h>
-
-/*
- * 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)
-{
-	/*
-		setting up I2C support
-	*/
-	unsigned int save_F,save_PF,rIICCON,rPCONA,rPDATA,rPCONF,rPUPF;
-
-	save_F = PCONF;
-	save_PF = PUPF;
-
-	rPCONF = ((save_F & ~(0xF))| 0xa);
-	rPUPF = (save_PF | 0x3);
-	PCONF = rPCONF; /*PF0:IICSCL, PF1:IICSDA*/
-	PUPF = rPUPF; /* Disable pull-up */
-
-	/* Configuring pin for WC pin of EEprom */
-	rPCONA = PCONA;
-	rPCONA &= ~(1<<9);
-	PCONA = rPCONA;
-
-	rPDATA = PDATA;
-	rPDATA &= ~(1<<9);
-	PDATA = rPDATA;
-
-	/*
-		Enable ACK, IICCLK=MCLK/16, enable interrupt
-		75MHz/16/(12+1) = 390625 Hz
-	*/
-	rIICCON=(1<<7)|(0<<6)|(1<<5)|(0xC);
-	IICCON = rIICCON;
-
-	IICADD = slaveaddr;
-}
-
-/*
- * Probe the given I2C chip address.  Returns 0 if a chip responded,
- * not 0 on failure.
- */
-int i2c_probe(uchar chip)
-{
-	/*
-		not implemented
-	*/
-
-	printf("i2c_probe chip %d\n", (int) chip);
-	return -1;
-}
-
-/*
- * 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
- */
-
-#define S3C44B0X_rIIC_INTPEND               (1<<4)
-#define S3C44B0X_rIIC_LAST_RECEIV_BIT       (1<<0)
-#define S3C44B0X_rIIC_INTERRUPT_ENABLE      (1<<5)
-#define S3C44B0_IIC_TIMEOUT 100
-
-int i2c_read(uchar chip, uint addr, int alen, uchar *buffer, int len)
-{
-
-	int k, j, temp;
-	u32 rIICSTAT;
-
-	/*
-		send the device offset
-	*/
-
-	rIICSTAT = 0xD0;
-	IICSTAT = rIICSTAT;
-
-	IICDS = chip;	/* this is a write operation... */
-
-	rIICSTAT |= (1<<5);
-	IICSTAT = rIICSTAT;
-
-	for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
-		temp = IICCON;
-		if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
-		break;
-		udelay(2000);
-	}
-	if (k==S3C44B0_IIC_TIMEOUT)
-		return -1;
-
-	/* wait and check ACK */
-	temp = IICSTAT;
-	if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT )
-		return -1;
-
-	IICDS = addr;
-	IICCON = IICCON & ~(S3C44B0X_rIIC_INTPEND);
-
-	/* wait and check ACK */
-	for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
-		temp = IICCON;
-		if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
-		break;
-		udelay(2000);
-	}
-	if (k==S3C44B0_IIC_TIMEOUT)
-		return -1;
-
-	temp = IICSTAT;
-	if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT )
-		return -1;
-
-	/*
-		now we can start with the read operation...
-	*/
-
-	IICDS = chip | 0x01;	/* this is a read operation... */
-
-	rIICSTAT = 0x90; /*master recv*/
-	rIICSTAT |= (1<<5);
-	IICSTAT = rIICSTAT;
-
-	IICCON = IICCON & ~(S3C44B0X_rIIC_INTPEND);
-
-	/* wait and check ACK */
-	for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
-		temp = IICCON;
-		if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
-		break;
-		udelay(2000);
-	}
-	if (k==S3C44B0_IIC_TIMEOUT)
-		return -1;
-
-	temp = IICSTAT;
-	if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT )
-		return -1;
-
-	for (j=0; j<len-1; j++) {
-
-	/*clear pending bit to resume */
-
-	temp = IICCON & ~(S3C44B0X_rIIC_INTPEND);
-	IICCON = temp;
-
-	/* wait and check ACK */
-	for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
-		temp = IICCON;
-		if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
-		break;
-		udelay(2000);
-	}
-	if (k==S3C44B0_IIC_TIMEOUT)
-		return -1;
-
-
-		buffer[j] = IICDS; /*save readed data*/
-
-    } /*end for(j)*/
-
-	/*
-		reading the last data
-		unset ACK generation
-	*/
-	temp = IICCON & ~(S3C44B0X_rIIC_INTPEND | (1<<7));
-	IICCON = temp;
-
-	/* wait but NOT check ACK */
-	for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
-		temp = IICCON;
-		if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
-		break;
-		udelay(2000);
-	}
-	if (k==S3C44B0_IIC_TIMEOUT)
-		return -1;
-
-	buffer[j] = IICDS; /*save readed data*/
-
-	rIICSTAT = 0x90; /*master recv*/
-
-	/* Write operation Terminate sending STOP */
-	IICSTAT = rIICSTAT;
-	/*Clear Int Pending Bit to RESUME*/
-	temp = IICCON;
-	IICCON = temp & (~S3C44B0X_rIIC_INTPEND);
-
-	IICCON = IICCON | (1<<7);	/*restore ACK generation*/
-
-	return 0;
-}
-
-int i2c_write(uchar chip, uint addr, int alen, uchar *buffer, int len)
-{
-	int j, k;
-	u32 rIICSTAT, temp;
-
-
-	/*
-		send the device offset
-	*/
-
-	rIICSTAT = 0xD0;
-	IICSTAT = rIICSTAT;
-
-	IICDS = chip;	/* this is a write operation... */
-
-	rIICSTAT |= (1<<5);
-	IICSTAT = rIICSTAT;
-
-	IICCON = IICCON & ~(S3C44B0X_rIIC_INTPEND);
-
-	/* wait and check ACK */
-	for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
-		temp = IICCON;
-		if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
-		break;
-		udelay(2000);
-	}
-	if (k==S3C44B0_IIC_TIMEOUT)
-		return -1;
-
-	temp = IICSTAT;
-	if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT )
-		return -1;
-
-	IICDS = addr;
-	IICCON = IICCON & ~(S3C44B0X_rIIC_INTPEND);
-
-	/* wait and check ACK */
-	for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
-		temp = IICCON;
-		if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
-		break;
-		udelay(2000);
-	}
-	if (k==S3C44B0_IIC_TIMEOUT)
-	  return -1;
-
-	temp = IICSTAT;
-	if ((temp & S3C44B0X_rIIC_LAST_RECEIV_BIT) == S3C44B0X_rIIC_LAST_RECEIV_BIT )
-		return -1;
-
-	/*
-		now we can start with the read write operation
-	*/
-	for (j=0; j<len; j++) {
-
-		IICDS = buffer[j]; /*prerare data to write*/
-
-		/*clear pending bit to resume*/
-
-		temp = IICCON & ~(S3C44B0X_rIIC_INTPEND);
-		IICCON = temp;
-
-		/* wait but NOT check ACK */
-		for(k=0; k<S3C44B0_IIC_TIMEOUT; k++) {
-			temp = IICCON;
-			if( (temp & S3C44B0X_rIIC_INTPEND) == S3C44B0X_rIIC_INTPEND)
-			break;
-
-			udelay(2000);
-		}
-
-		if (k==S3C44B0_IIC_TIMEOUT)
-			return -1;
-
-	} /* end for(j) */
-
-	/* sending stop to terminate */
-	rIICSTAT = 0xD0;  /*master send*/
-	IICSTAT = rIICSTAT;
-	/*Clear Int Pending Bit to RESUME*/
-	temp = IICCON;
-	IICCON = temp & (~S3C44B0X_rIIC_INTPEND);
-
-	return 0;
-}
diff --git a/drivers/mmc/fsl_esdhc.c b/drivers/mmc/fsl_esdhc.c
index f87e647881..a7170b49db 100644
--- a/drivers/mmc/fsl_esdhc.c
+++ b/drivers/mmc/fsl_esdhc.c
@@ -518,6 +518,8 @@ int fsl_esdhc_initialize(bd_t *bis, struct fsl_esdhc_cfg *cfg)
 		return -1;
 
 	mmc = malloc(sizeof(struct mmc));
+	if (!mmc)
+		return -ENOMEM;
 
 	sprintf(mmc->name, "FSL_SDHC");
 	regs = (struct fsl_esdhc *)cfg->esdhc_base;
diff --git a/drivers/mtd/nand/mxs_nand.c b/drivers/mtd/nand/mxs_nand.c
index 378f8c513a..036c113ad3 100644
--- a/drivers/mtd/nand/mxs_nand.c
+++ b/drivers/mtd/nand/mxs_nand.c
@@ -155,6 +155,9 @@ static inline uint32_t mxs_nand_get_ecc_strength(uint32_t page_data_size,
 
 		if (page_oob_size == 218)
 			return 16;
+
+		if (page_oob_size == 224)
+			return 16;
 	}
 
 	return 0;
diff --git a/drivers/net/cpsw.c b/drivers/net/cpsw.c
index 9bab71a212..39240d9662 100644
--- a/drivers/net/cpsw.c
+++ b/drivers/net/cpsw.c
@@ -568,9 +568,14 @@ static void cpsw_set_slave_mac(struct cpsw_slave *slave,
 static void cpsw_slave_update_link(struct cpsw_slave *slave,
 				   struct cpsw_priv *priv, int *link)
 {
-	struct phy_device *phy = priv->phydev;
+	struct phy_device *phy;
 	u32 mac_control = 0;
 
+	phy = priv->phydev;
+
+	if (!phy)
+		return;
+
 	phy_startup(phy);
 	*link = phy->link;
 
@@ -947,6 +952,9 @@ static int cpsw_phy_init(struct eth_device *dev, struct cpsw_slave *slave)
 			dev,
 			slave->data->phy_if);
 
+	if (!phydev)
+		return -1;
+
 	phydev->supported &= supported;
 	phydev->advertising = phydev->supported;
 
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index 690e5724b4..107cd6ecc5 100644
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -453,7 +453,7 @@ static int fec_open(struct eth_device *edev)
 	 */
 	writel(readl(&fec->eth->ecntrl) | FEC_ECNTRL_ETHER_EN,
 		&fec->eth->ecntrl);
-#if defined(CONFIG_MX25) || defined(CONFIG_MX53)
+#if defined(CONFIG_MX25) || defined(CONFIG_MX53) || defined(CONFIG_MX6SL)
 	udelay(100);
 	/*
 	 * setup the MII gasket for RMII mode
@@ -794,7 +794,7 @@ static int fec_recv(struct eth_device *dev)
 	uint16_t bd_status;
 	uint32_t addr, size, end;
 	int i;
-	uchar buff[FEC_MAX_PKT_SIZE] __aligned(ARCH_DMA_MINALIGN);
+	ALLOC_CACHE_ALIGN_BUFFER(uchar, buff, FEC_MAX_PKT_SIZE);
 
 	/*
 	 * Check if any critical events have happened
diff --git a/drivers/net/fec_mxc.h b/drivers/net/fec_mxc.h
index 4b4f8b7983..0717cc6c31 100644
--- a/drivers/net/fec_mxc.h
+++ b/drivers/net/fec_mxc.h
@@ -135,7 +135,7 @@ struct ethernet_regs {
 
 	uint32_t res14[7];		/* MBAR_ETH + 0x2E4-2FC */
 
-#if defined(CONFIG_MX25) || defined(CONFIG_MX53)
+#if defined(CONFIG_MX25) || defined(CONFIG_MX53) || defined(CONFIG_MX6SL)
 	uint16_t miigsk_cfgr;		/* MBAR_ETH + 0x300 */
 	uint16_t res15[3];		/* MBAR_ETH + 0x302-306 */
 	uint16_t miigsk_enr;		/* MBAR_ETH + 0x308 */
@@ -202,7 +202,7 @@ struct ethernet_regs {
 #define FEC_X_DES_ACTIVE_TDAR		0x01000000
 #define FEC_R_DES_ACTIVE_RDAR		0x01000000
 
-#if defined(CONFIG_MX25) || defined(CONFIG_MX53)
+#if defined(CONFIG_MX25) || defined(CONFIG_MX53) || defined(CONFIG_MX6SL)
 /* defines for MIIGSK */
 /* RMII frequency control: 0=50MHz, 1=5MHz */
 #define MIIGSK_CFGR_FRCONT		(1 << 6)
diff --git a/drivers/power/pmic/Makefile b/drivers/power/pmic/Makefile
index f054470552..11b3d030e4 100644
--- a/drivers/power/pmic/Makefile
+++ b/drivers/power/pmic/Makefile
@@ -13,6 +13,8 @@ COBJS-$(CONFIG_POWER_MAX8998) += pmic_max8998.o
 COBJS-$(CONFIG_POWER_MAX8997) += pmic_max8997.o
 COBJS-$(CONFIG_POWER_MUIC_MAX8997) += muic_max8997.o
 COBJS-$(CONFIG_POWER_MAX77686) += pmic_max77686.o
+COBJS-$(CONFIG_POWER_TPS65217) += pmic_tps65217.o
+COBJS-$(CONFIG_POWER_TPS65910) += pmic_tps65910.o
 
 COBJS	:= $(COBJS-y)
 SRCS	:= $(COBJS:.o=.c)
diff --git a/drivers/power/pmic/pmic_tps65217.c b/drivers/power/pmic/pmic_tps65217.c
new file mode 100644
index 0000000000..36e9024bf8
--- /dev/null
+++ b/drivers/power/pmic/pmic_tps65217.c
@@ -0,0 +1,109 @@
+/*
+ * (C) Copyright 2011-2013
+ * Texas Instruments, <www.ti.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <power/tps65217.h>
+
+/**
+ * tps65217_reg_read() - Generic function that can read a TPS65217 register
+ * @src_reg:		 Source register address
+ * @src_val:		 Address of destination variable
+ * @return:		 0 for success, not 0 on failure.
+ */
+int tps65217_reg_read(uchar src_reg, uchar *src_val)
+{
+	return i2c_read(TPS65217_CHIP_PM, src_reg, 1, src_val, 1);
+}
+
+/**
+ *  tps65217_reg_write() - Generic function that can write a TPS65217 PMIC
+ *			   register or bit field regardless of protection
+ *			   level.
+ *
+ *  @prot_level:	   Register password protection.  Use
+ *			   TPS65217_PROT_LEVEL_NONE,
+ *			   TPS65217_PROT_LEVEL_1 or TPS65217_PROT_LEVEL_2
+ *  @dest_reg:		   Register address to write.
+ *  @dest_val:		   Value to write.
+ *  @mask:		   Bit mask (8 bits) to be applied.  Function will only
+ *			   change bits that are set in the bit mask.
+ *
+ *  @return:		   0 for success, not 0 on failure, as per the i2c API
+ */
+int tps65217_reg_write(uchar prot_level, uchar dest_reg, uchar dest_val,
+		       uchar mask)
+{
+	uchar read_val;
+	uchar xor_reg;
+	int ret;
+
+	/*
+	 * If we are affecting only a bit field, read dest_reg and apply the
+	 * mask
+	 */
+	if (mask != TPS65217_MASK_ALL_BITS) {
+		ret = i2c_read(TPS65217_CHIP_PM, dest_reg, 1, &read_val, 1);
+		if (ret)
+			return ret;
+		read_val &= (~mask);
+		read_val |= (dest_val & mask);
+		dest_val = read_val;
+	}
+
+	if (prot_level > 0) {
+		xor_reg = dest_reg ^ TPS65217_PASSWORD_UNLOCK;
+		ret = i2c_write(TPS65217_CHIP_PM, TPS65217_PASSWORD, 1,
+				&xor_reg, 1);
+		if (ret)
+			return ret;
+	}
+
+	ret = i2c_write(TPS65217_CHIP_PM, dest_reg, 1, &dest_val, 1);
+	if (ret)
+		return ret;
+
+	if (prot_level == TPS65217_PROT_LEVEL_2) {
+		ret = i2c_write(TPS65217_CHIP_PM, TPS65217_PASSWORD, 1,
+				&xor_reg, 1);
+		if (ret)
+			return ret;
+
+		ret = i2c_write(TPS65217_CHIP_PM, dest_reg, 1, &dest_val, 1);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+/**
+ * tps65217_voltage_update() - Function to change a voltage level, as this
+ *			       is a multi-step process.
+ * @dc_cntrl_reg:	       DC voltage control register to change.
+ * @volt_sel:		       New value for the voltage register
+ * @return:		       0 for success, not 0 on failure.
+ */
+int tps65217_voltage_update(uchar dc_cntrl_reg, uchar volt_sel)
+{
+	if ((dc_cntrl_reg != TPS65217_DEFDCDC1) &&
+	    (dc_cntrl_reg != TPS65217_DEFDCDC2) &&
+	    (dc_cntrl_reg != TPS65217_DEFDCDC3))
+		return 1;
+
+	/* set voltage level */
+	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, dc_cntrl_reg, volt_sel,
+			       TPS65217_MASK_ALL_BITS))
+		return 1;
+
+	/* set GO bit to initiate voltage transition */
+	if (tps65217_reg_write(TPS65217_PROT_LEVEL_2, TPS65217_DEFSLEW,
+			       TPS65217_DCDC_GO, TPS65217_DCDC_GO))
+		return 1;
+
+	return 0;
+}
diff --git a/drivers/power/pmic/pmic_tps65910.c b/drivers/power/pmic/pmic_tps65910.c
new file mode 100644
index 0000000000..7ee1160e0d
--- /dev/null
+++ b/drivers/power/pmic/pmic_tps65910.c
@@ -0,0 +1,83 @@
+/*
+ * (C) Copyright 2011-2013
+ * Texas Instruments, <www.ti.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <power/tps65910.h>
+
+/*
+ * tps65910_set_i2c_control() - Set the TPS65910 to be controlled via the I2C
+ * 				interface.
+ * @return:		       0 on success, not 0 on failure
+ */
+int tps65910_set_i2c_control(void)
+{
+	int ret;
+	uchar buf;
+
+	/* VDD1/2 voltage selection register access by control i/f */
+	ret = i2c_read(TPS65910_CTRL_I2C_ADDR, TPS65910_DEVCTRL_REG, 1,
+		       &buf, 1);
+
+	if (ret)
+		return ret;
+
+	buf |= TPS65910_DEVCTRL_REG_SR_CTL_I2C_SEL_CTL_I2C;
+
+	return i2c_write(TPS65910_CTRL_I2C_ADDR, TPS65910_DEVCTRL_REG, 1,
+			 &buf, 1);
+}
+
+/*
+ * tps65910_voltage_update() - Voltage switching for MPU frequency switching.
+ * @module:		       mpu - 0, core - 1
+ * @vddx_op_vol_sel:	       vdd voltage to set
+ * @return:		       0 on success, not 0 on failure
+ */
+int tps65910_voltage_update(unsigned int module, unsigned char vddx_op_vol_sel)
+{
+	uchar buf;
+	unsigned int reg_offset;
+	int ret;
+
+	if (module == MPU)
+		reg_offset = TPS65910_VDD1_OP_REG;
+	else
+		reg_offset = TPS65910_VDD2_OP_REG;
+
+	/* Select VDDx OP   */
+	ret = i2c_read(TPS65910_CTRL_I2C_ADDR, reg_offset, 1, &buf, 1);
+	if (ret)
+		return ret;
+
+	buf &= ~TPS65910_OP_REG_CMD_MASK;
+
+	ret = i2c_write(TPS65910_CTRL_I2C_ADDR, reg_offset, 1, &buf, 1);
+	if (ret)
+		return ret;
+
+	/* Configure VDDx OP  Voltage */
+	ret = i2c_read(TPS65910_CTRL_I2C_ADDR, reg_offset, 1, &buf, 1);
+	if (ret)
+		return ret;
+
+	buf &= ~TPS65910_OP_REG_SEL_MASK;
+	buf |= vddx_op_vol_sel;
+
+	ret = i2c_write(TPS65910_CTRL_I2C_ADDR, reg_offset, 1, &buf, 1);
+	if (ret)
+		return ret;
+
+	ret = i2c_read(TPS65910_CTRL_I2C_ADDR, reg_offset, 1, &buf, 1);
+	if (ret)
+		return ret;
+
+	if ((buf & TPS65910_OP_REG_SEL_MASK) != vddx_op_vol_sel)
+		return 1;
+
+	return 0;
+}
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index b477c23ebd..dcc0632ff2 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -53,7 +53,6 @@ COBJS-$(CONFIG_RTC_RTC4543) += rtc4543.o
 COBJS-$(CONFIG_RTC_RV3029) += rv3029.o
 COBJS-$(CONFIG_RTC_RX8025) += rx8025.o
 COBJS-$(CONFIG_RTC_S3C24X0) += s3c24x0_rtc.o
-COBJS-$(CONFIG_RTC_S3C44B0) += s3c44b0_rtc.o
 COBJS-$(CONFIG_RTC_X1205) += x1205.o
 
 COBJS	:= $(sort $(COBJS-y))
diff --git a/drivers/rtc/s3c44b0_rtc.c b/drivers/rtc/s3c44b0_rtc.c
deleted file mode 100644
index de7898cc34..0000000000
--- a/drivers/rtc/s3c44b0_rtc.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/*
- * (C) Copyright 2004
- * DAVE Srl
- * http://www.dave-tech.it
- * http://www.wawnet.biz
- * mailto:info@wawnet.biz
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-/*
- * S3C44B0 CPU specific code
- */
-
-#include <common.h>
-#include <command.h>
-#include <asm/hardware.h>
-#include <rtc.h>
-
-int rtc_get (struct rtc_time* tm)
-{
-	RTCCON |= 1;
-	tm->tm_year  = bcd2bin(BCDYEAR);
-	tm->tm_mon   = bcd2bin(BCDMON);
-	tm->tm_wday   = bcd2bin(BCDDATE);
-	tm->tm_mday   = bcd2bin(BCDDAY);
-	tm->tm_hour  = bcd2bin(BCDHOUR);
-	tm->tm_min  = bcd2bin(BCDMIN);
-	tm->tm_sec  = bcd2bin(BCDSEC);
-
-	if (tm->tm_sec==0) {
-		/* we have to re-read the rtc data because of the "one second deviation" problem */
-		/* see RTC datasheet for more info about it */
-		tm->tm_year  = bcd2bin(BCDYEAR);
-		tm->tm_mon   = bcd2bin(BCDMON);
-		tm->tm_mday   = bcd2bin(BCDDAY);
-		tm->tm_wday   = bcd2bin(BCDDATE);
-		tm->tm_hour  = bcd2bin(BCDHOUR);
-		tm->tm_min  = bcd2bin(BCDMIN);
-		tm->tm_sec  = bcd2bin(BCDSEC);
-	}
-
-	RTCCON &= ~1;
-
-	if(tm->tm_year >= 70)
-		tm->tm_year += 1900;
-	else
-		tm->tm_year += 2000;
-
-	return 0;
-}
-
-int rtc_set (struct rtc_time* tm)
-{
-	if(tm->tm_year < 2000)
-		tm->tm_year -= 1900;
-	else
-		tm->tm_year -= 2000;
-
-	RTCCON |= 1;
-	BCDYEAR = bin2bcd(tm->tm_year);
-	BCDMON = bin2bcd(tm->tm_mon);
-	BCDDAY = bin2bcd(tm->tm_mday);
-	BCDDATE = bin2bcd(tm->tm_wday);
-	BCDHOUR = bin2bcd(tm->tm_hour);
-	BCDMIN = bin2bcd(tm->tm_min);
-	BCDSEC = bin2bcd(tm->tm_sec);
-	RTCCON &= 1;
-
-	return 0;
-}
-
-void rtc_reset (void)
-{
-	RTCCON |= 1;
-	BCDYEAR = 0;
-	BCDMON = 0;
-	BCDDAY = 0;
-	BCDDATE = 0;
-	BCDHOUR = 0;
-	BCDMIN = 0;
-	BCDSEC = 0;
-	RTCCON &= 1;
-}
diff --git a/drivers/serial/Makefile b/drivers/serial/Makefile
index 4c45bfa363..e1fd7a5dc8 100644
--- a/drivers/serial/Makefile
+++ b/drivers/serial/Makefile
@@ -31,7 +31,6 @@ COBJS-$(CONFIG_PL011_SERIAL) += serial_pl01x.o
 COBJS-$(CONFIG_PXA_SERIAL) += serial_pxa.o
 COBJS-$(CONFIG_SA1100_SERIAL) += serial_sa1100.o
 COBJS-$(CONFIG_S3C24X0_SERIAL) += serial_s3c24x0.o
-COBJS-$(CONFIG_S3C44B0_SERIAL) += serial_s3c44b0.o
 COBJS-$(CONFIG_XILINX_UARTLITE) += serial_xuartlite.o
 COBJS-$(CONFIG_SANDBOX_SERIAL) += sandbox.o
 COBJS-$(CONFIG_SCIF_CONSOLE) += serial_sh.o
diff --git a/drivers/serial/serial.c b/drivers/serial/serial.c
index 35dc61e020..df2b84aaaf 100644
--- a/drivers/serial/serial.c
+++ b/drivers/serial/serial.c
@@ -156,7 +156,6 @@ serial_initfunc(lh7a40x_serial_initialize);
 serial_initfunc(max3100_serial_initialize);
 serial_initfunc(mxc_serial_initialize);
 serial_initfunc(pl01x_serial_initialize);
-serial_initfunc(s3c44b0_serial_initialize);
 serial_initfunc(sa1100_serial_initialize);
 serial_initfunc(sh_serial_initialize);
 serial_initfunc(arm_dcc_initialize);
@@ -250,7 +249,6 @@ void serial_initialize(void)
 	max3100_serial_initialize();
 	mxc_serial_initialize();
 	pl01x_serial_initialize();
-	s3c44b0_serial_initialize();
 	sa1100_serial_initialize();
 	sh_serial_initialize();
 	arm_dcc_initialize();
diff --git a/drivers/serial/serial_s3c44b0.c b/drivers/serial/serial_s3c44b0.c
deleted file mode 100644
index 2a07498c1e..0000000000
--- a/drivers/serial/serial_s3c44b0.c
+++ /dev/null
@@ -1,216 +0,0 @@
-pyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * ght 2002-2004
- * Wolfgang Denk, DENX Software Engineering, <wd@denx.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Marius Groeger <mgroeger@sysgo.de>
- *
- * (C) Copyright 2002
- * Sysgo Real-Time Solutions, GmbH <www.elinos.com>
- * Alex Zuepke <azu@sysgo.de>
- *
- * Copyright (C) 1999 2000 2001 Erik Mouw (J.A.K.Mouw@its.tudelft.nl)
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <asm/hardware.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-/* flush serial input queue. returns 0 on success or negative error
- * number otherwise
- */
-static int serial_flush_input(void)
-{
-	volatile u32 tmp;
-
-	/* keep on reading as long as the receiver is not empty */
-	while(UTRSTAT0&0x01) {
-		tmp = REGB(URXH0);
-	}
-
-	return 0;
-}
-
-
-/* flush output queue. returns 0 on success or negative error number
- * otherwise
- */
-static int serial_flush_output(void)
-{
-	/* wait until the transmitter is no longer busy */
-	while(!(UTRSTAT0 & 0x02)) {
-	}
-
-	return 0;
-}
-
-
-static void s3c44b0_serial_setbrg(void)
-{
-	u32 divisor = 0;
-
-	/* get correct divisor */
-	switch(gd->baudrate) {
-
-	case 1200:
-#if CONFIG_S3C44B0_CLOCK_SPEED==66
-		divisor = 3124;
-#elif CONFIG_S3C44B0_CLOCK_SPEED==75
-		divisor = 3905;
-#else
-# error CONFIG_S3C44B0_CLOCK_SPEED undefined
-#endif
-		break;
-
-	case 9600:
-#if CONFIG_S3C44B0_CLOCK_SPEED==66
-		divisor = 390;
-#elif CONFIG_S3C44B0_CLOCK_SPEED==75
-		divisor = 487;
-#else
-# error CONFIG_S3C44B0_CLOCK_SPEED undefined
-#endif
-		break;
-
-	case 19200:
-#if CONFIG_S3C44B0_CLOCK_SPEED==66
-		divisor = 194;
-#elif CONFIG_S3C44B0_CLOCK_SPEED==75
-		divisor = 243;
-#else
-# error CONFIG_S3C44B0_CLOCK_SPEED undefined
-#endif
-		break;
-
-	case 38400:
-#if CONFIG_S3C44B0_CLOCK_SPEED==66
-		divisor = 97;
-#elif CONFIG_S3C44B0_CLOCK_SPEED==75
-		divisor = 121;
-#else
-# error CONFIG_S3C44B0_CLOCK_SPEED undefined
-#endif	/* break; */
-
-	case 57600:
-#if CONFIG_S3C44B0_CLOCK_SPEED==66
-		divisor = 64;
-#elif CONFIG_S3C44B0_CLOCK_SPEED==75
-		divisor = 80;
-#else
-# error CONFIG_S3C44B0_CLOCK_SPEED undefined
-#endif	/* break; */
-
-	case 115200:
-#if CONFIG_S3C44B0_CLOCK_SPEED==66
-		divisor = 32;
-#elif CONFIG_S3C44B0_CLOCK_SPEED==75
-		divisor = 40;
-#else
-# error CONFIG_S3C44B0_CLOCK_SPEED undefined
-#endif	/* break; */
-	}
-
-	serial_flush_output();
-	serial_flush_input();
-	UFCON0 = 0x0;
-	ULCON0 = 0x03;
-	UCON0 = 0x05;
-	UBRDIV0 = divisor;
-
-	UFCON1 = 0x0;
-	ULCON1 = 0x03;
-	UCON1 = 0x05;
-	UBRDIV1 = divisor;
-
-	for(divisor=0; divisor<100; divisor++) {
-		/* NOP */
-	}
-}
-
-
-/*
- * Initialise the serial port with the given baudrate. The settings
- * are always 8 data bits, no parity, 1 stop bit, no start bits.
- *
- */
-static int s3c44b0_serial_init(void)
-{
-	serial_setbrg ();
-
-	return (0);
-}
-
-
-/*
- * Output a single byte to the serial port.
- */
-static void s3c44b0_serial_putc(const char c)
-{
-	/* wait for room in the transmit FIFO */
-	while(!(UTRSTAT0 & 0x02));
-
-	UTXH0 = (unsigned char)c;
-
-	/*
-		to be polite with serial console add a line feed
-		to the carriage return character
-	*/
-	if (c=='\n')
-		serial_putc('\r');
-}
-
-/*
- * Read a single byte from the serial port. Returns 1 on success, 0
- * otherwise. When the function is succesfull, the character read is
- * written into its argument c.
- */
-static int s3c44b0_serial_tstc(void)
-{
-	return (UTRSTAT0 & 0x01);
-}
-
-/*
- * Read a single byte from the serial port. Returns 1 on success, 0
- * otherwise. When the function is succesfull, the character read is
- * written into its argument c.
- */
-static int s3c44b0_serial_getc(void)
-{
-	int rv;
-
-	for(;;) {
-		rv = s3c44b0_serial_tstc();
-
-		if(rv > 0)
-			return URXH0;
-	}
-}
-
-static struct serial_device s3c44b0_serial_drv = {
-	.name	= "s3c44b0_serial",
-	.start	= s3c44b0_serial_init,
-	.stop	= NULL,
-	.setbrg	= s3c44b0_serial_setbrg,
-	.putc	= s3c44b0_serial_putc,
-	.puts	= default_serial_puts,
-	.getc	= s3c44b0_serial_getc,
-	.tstc	= s3c44b0_serial_tstc,
-};
-
-void s3c44b0_serial_initialize(void)
-{
-	serial_register(&s3c44b0_serial_drv);
-}
-
-__weak struct serial_device *default_serial_console(void)
-{
-	return &s3c44b0_serial_drv;
-}