Merge branch 'master' of /home/wd/git/u-boot/custodians

16 files changed, 920 insertions, 152 deletions

diff --git a/drivers/block/Makefile b/drivers/block/Makefile
index e27175b..aa7dc87 100644
--- a/drivers/block/Makefile
+++ b/drivers/block/Makefile
@@ -31,6 +31,7 @@ COBJS-$(CONFIG_FSL_SATA) += fsl_sata.o
 COBJS-$(CONFIG_LIBATA) += libata.o
 COBJS-$(CONFIG_CMD_MG_DISK) += mg_disk.o
 COBJS-$(CONFIG_MVSATA_IDE) += mvsata_ide.o
+COBJS-$(CONFIG_MX51_PATA) += mxc_ata.o
 COBJS-$(CONFIG_PATA_BFIN) += pata_bfin.o
 COBJS-$(CONFIG_SATA_DWC) += sata_dwc.o
 COBJS-$(CONFIG_SATA_SIL3114) += sata_sil3114.o
diff --git a/drivers/block/mxc_ata.c b/drivers/block/mxc_ata.c
new file mode 100644
index 0000000..f22f4f4
--- /dev/null
+++ b/drivers/block/mxc_ata.c
@@ -0,0 +1,146 @@
+/*
+ * Freescale iMX51 ATA driver
+ *
+ * Copyright (C) 2010 Marek Vasut <marek.vasut@gmail.com>
+ *
+ * Based on code by:
+ *	Mahesh Mahadevan <mahesh.mahadevan@freescale.com>
+ *
+ * Based on code from original FSL ATA driver, which is
+ * part of eCos, the Embedded Configurable Operating System.
+ * Copyright (C) 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <command.h>
+#include <config.h>
+#include <asm/byteorder.h>
+#include <asm/io.h>
+#include <ide.h>
+
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+
+/* MXC ATA register offsets */
+struct mxc_ata_config_regs {
+	u8	time_off;	/* 0x00 */
+	u8	time_on;
+	u8	time_1;
+	u8	time_2w;
+	u8	time_2r;
+	u8	time_ax;
+	u8	time_pio_rdx;
+	u8	time_4;
+	u8	time_9;
+	u8	time_m;
+	u8	time_jn;
+	u8	time_d;
+	u8	time_k;
+	u8	time_ack;
+	u8	time_env;
+	u8	time_udma_rdx;
+	u8	time_zah;	/* 0x10 */
+	u8	time_mlix;
+	u8	time_dvh;
+	u8	time_dzfs;
+	u8	time_dvs;
+	u8	time_cvh;
+	u8	time_ss;
+	u8	time_cyc;
+	u32	fifo_data_32;	/* 0x18 */
+	u32	fifo_data_16;
+	u32	fifo_fill;
+	u32	ata_control;
+	u32	interrupt_pending;
+	u32	interrupt_enable;
+	u32	interrupt_clear;
+	u32	fifo_alarm;
+};
+
+struct mxc_data_hdd_regs {
+	u32	drive_data;	/* 0xa0 */
+	u32	drive_features;
+	u32	drive_sector_count;
+	u32	drive_sector_num;
+	u32	drive_cyl_low;
+	u32	drive_cyl_high;
+	u32	drive_dev_head;
+	u32	command;
+	u32	status;
+	u32	alt_status;
+};
+
+/* PIO timing table */
+#define	NR_PIO_SPECS	5
+static uint16_t pio_t1[NR_PIO_SPECS]	= { 70,  50,  30,  30,  25 };
+static uint16_t pio_t2_8[NR_PIO_SPECS]	= { 290, 290, 290, 80,  70 };
+static uint16_t pio_t4[NR_PIO_SPECS]	= { 30,  20,  15,  10,  10 };
+static uint16_t pio_t9[NR_PIO_SPECS]	= { 20,  15,  10,  10,  10 };
+static uint16_t pio_tA[NR_PIO_SPECS]	= { 50,  50,  50,  50,  50 };
+
+#define	REG2OFF(reg)	((((uint32_t)reg) & 0x3) * 8)
+static void set_ata_bus_timing(unsigned char mode)
+{
+	uint32_t val;
+	uint32_t T = 1000000000 / mxc_get_clock(MXC_IPG_CLK);
+
+	struct mxc_ata_config_regs *ata_regs;
+	ata_regs = (struct mxc_ata_config_regs *)CONFIG_SYS_ATA_BASE_ADDR;
+
+	if (mode >= NR_PIO_SPECS)
+		return;
+
+	/* Write TIME_OFF/ON/1/2W */
+	val =	(3 << REG2OFF(&ata_regs->time_off)) |
+		(3 << REG2OFF(&ata_regs->time_on)) |
+		(((pio_t1[mode] + T) / T) << REG2OFF(&ata_regs->time_1)) |
+		(((pio_t2_8[mode] + T) / T) << REG2OFF(&ata_regs->time_2w));
+	writel(val, &ata_regs->time_off);
+
+	/* Write TIME_2R/AX/RDX/4 */
+	val =	(((pio_t2_8[mode] + T) / T) << REG2OFF(&ata_regs->time_2r)) |
+		(((pio_tA[mode] + T) / T + 2) << REG2OFF(&ata_regs->time_ax)) |
+		(1 << REG2OFF(&ata_regs->time_pio_rdx)) |
+		(((pio_t4[mode] + T) / T) << REG2OFF(&ata_regs->time_4));
+	writel(val, &ata_regs->time_2r);
+
+	/* Write TIME_9 ; the rest of timing registers is irrelevant for PIO */
+	val =	(((pio_t9[mode] + T) / T) << REG2OFF(&ata_regs->time_9));
+	writel(val, &ata_regs->time_9);
+}
+
+int ide_preinit(void)
+{
+	struct mxc_ata_config_regs *ata_regs;
+	ata_regs = (struct mxc_ata_config_regs *)CONFIG_SYS_ATA_BASE_ADDR;
+
+	/* 46.3.3.4 @ FSL iMX51 manual */
+	/* FIFO normal op., drive reset */
+	writel(0x80, &ata_regs->ata_control);
+	/* FIFO normal op., drive not reset */
+	writel(0xc0, &ata_regs->ata_control);
+
+	/* Configure the PIO timing */
+	set_ata_bus_timing(CONFIG_MXC_ATA_PIO_MODE);
+
+	/* 46.3.3.4 @ FSL iMX51 manual */
+	/* Drive not reset, IORDY handshake */
+	writel(0x41, &ata_regs->ata_control);
+
+	return 0;
+}
diff --git a/drivers/gpio/mxc_gpio.c b/drivers/gpio/mxc_gpio.c
index 663141f..53a0673 100644
--- a/drivers/gpio/mxc_gpio.c
+++ b/drivers/gpio/mxc_gpio.c
@@ -24,7 +24,7 @@
 #ifdef CONFIG_MX31
 #include <asm/arch/mx31-regs.h>
 #endif
-#ifdef CONFIG_MX51
+#if defined(CONFIG_MX51) || defined(CONFIG_MX53)
 #include <asm/arch/imx-regs.h>
 #endif
 #include <asm/io.h>
@@ -35,9 +35,14 @@ static unsigned long gpio_ports[] = {
 	[0] = GPIO1_BASE_ADDR,
 	[1] = GPIO2_BASE_ADDR,
 	[2] = GPIO3_BASE_ADDR,
-#ifdef CONFIG_MX51
+#if defined(CONFIG_MX51) || defined(CONFIG_MX53)
 	[3] = GPIO4_BASE_ADDR,
 #endif
+#if defined(CONFIG_MX53)
+	[4] = GPIO5_BASE_ADDR,
+	[5] = GPIO6_BASE_ADDR,
+	[6] = GPIO7_BASE_ADDR,
+#endif
 };
 
 int mxc_gpio_direction(unsigned int gpio, enum mxc_gpio_direction direction)
diff --git a/drivers/i2c/mxc_i2c.c b/drivers/i2c/mxc_i2c.c
index 8e10fbb..c5ec486 100644
--- a/drivers/i2c/mxc_i2c.c
+++ b/drivers/i2c/mxc_i2c.c
@@ -23,11 +23,17 @@
  */
 
 #include <common.h>
+#include <asm/io.h>
 
 #if defined(CONFIG_HARD_I2C)
 
+#if defined(CONFIG_MX31)
 #include <asm/arch/mx31.h>
 #include <asm/arch/mx31-regs.h>
+#else
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+#endif
 
 #define IADR	0x00
 #define IFDR	0x04
@@ -47,7 +53,7 @@
 #define I2SR_IIF	(1 << 1)
 #define I2SR_RX_NO_AK	(1 << 0)
 
-#ifdef CONFIG_SYS_I2C_MX31_PORT1
+#if defined(CONFIG_SYS_I2C_MX31_PORT1)
 #define I2C_BASE	0x43f80000
 #define I2C_CLK_OFFSET	26
 #elif defined (CONFIG_SYS_I2C_MX31_PORT2)
@@ -56,130 +62,205 @@
 #elif defined (CONFIG_SYS_I2C_MX31_PORT3)
 #define I2C_BASE	0x43f84000
 #define I2C_CLK_OFFSET	30
+#elif defined(CONFIG_SYS_I2C_MX53_PORT1)
+#define I2C_BASE        I2C1_BASE_ADDR
+#elif defined(CONFIG_SYS_I2C_MX53_PORT2)
+#define I2C_BASE        I2C2_BASE_ADDR
+#elif defined(CONFIG_SYS_I2C_MX35_PORT1)
+#define I2C_BASE	I2C_BASE_ADDR
 #else
-#error "define CONFIG_SYS_I2C_MX31_PORTx to use the mx31 I2C driver"
+#error "define CONFIG_SYS_I2C_MX<Processor>_PORTx to use the mx I2C driver"
 #endif
 
-#ifdef DEBUG
-#define DPRINTF(args...)  printf(args)
-#else
-#define DPRINTF(args...)
-#endif
+#define I2C_MAX_TIMEOUT		10000
+#define I2C_MAX_RETRIES		3
 
 static u16 div[] = { 30, 32, 36, 42, 48, 52, 60, 72, 80, 88, 104, 128, 144,
 	             160, 192, 240, 288, 320, 384, 480, 576, 640, 768, 960,
 	             1152, 1280, 1536, 1920, 2304, 2560, 3072, 3840};
 
+static inline void i2c_reset(void)
+{
+	writew(0, I2C_BASE + I2CR);	/* Reset module */
+	writew(0, I2C_BASE + I2SR);
+	writew(I2CR_IEN, I2C_BASE + I2CR);
+}
+
 void i2c_init(int speed, int unused)
 {
-	int freq = mx31_get_ipg_clk();
+	int freq;
 	int i;
 
+#if defined(CONFIG_MX31)
+	struct clock_control_regs *sc_regs =
+		(struct clock_control_regs *)CCM_BASE;
+
+	freq = mx31_get_ipg_clk();
 	/* start the required I2C clock */
-	__REG(CCM_CGR0) = __REG(CCM_CGR0) | (3 << I2C_CLK_OFFSET);
+	writel(readl(&sc_regs->cgr0) | (3 << I2C_CLK_OFFSET),
+		&sc_regs->cgr0);
+#else
+	freq = mxc_get_clock(MXC_IPG_PERCLK);
+#endif
 
 	for (i = 0; i < 0x1f; i++)
 		if (freq / div[i] <= speed)
 			break;
 
-	DPRINTF("%s: speed: %d\n",__FUNCTION__, speed);
+	debug("%s: speed: %d\n", __func__, speed);
 
-	__REG16(I2C_BASE + I2CR) = 0; /* Reset module */
-	__REG16(I2C_BASE + IFDR) = i;
-	__REG16(I2C_BASE + I2CR) = I2CR_IEN;
-	__REG16(I2C_BASE + I2SR) = 0;
+	writew(i, I2C_BASE + IFDR);
+	i2c_reset();
+}
+
+static int wait_idle(void)
+{
+	int timeout = I2C_MAX_TIMEOUT;
+
+	while ((readw(I2C_BASE + I2SR) & I2SR_IBB) && --timeout) {
+		writew(0, I2C_BASE + I2SR);
+		udelay(1);
+	}
+	return timeout ? timeout : (!(readw(I2C_BASE + I2SR) & I2SR_IBB));
 }
 
 static int wait_busy(void)
 {
-	int timeout = 10000;
+	int timeout = I2C_MAX_TIMEOUT;
 
-	while (!(__REG16(I2C_BASE + I2SR) & I2SR_IIF) && --timeout)
+	while (!(readw(I2C_BASE + I2SR) & I2SR_IBB) && --timeout)
 		udelay(1);
-	__REG16(I2C_BASE + I2SR) = 0; /* clear interrupt */
+	writew(0, I2C_BASE + I2SR); /* clear interrupt */
 
 	return timeout;
 }
 
+static int wait_complete(void)
+{
+	int timeout = I2C_MAX_TIMEOUT;
+
+	while ((!(readw(I2C_BASE + I2SR) & I2SR_ICF)) && (--timeout)) {
+		writew(0, I2C_BASE + I2SR);
+		udelay(1);
+	}
+	udelay(200);
+
+	writew(0, I2C_BASE + I2SR);	/* clear interrupt */
+
+	return timeout;
+}
+
+
 static int tx_byte(u8 byte)
 {
-	__REG16(I2C_BASE + I2DR) = byte;
+	writew(byte, I2C_BASE + I2DR);
 
-	if (!wait_busy() || __REG16(I2C_BASE + I2SR) & I2SR_RX_NO_AK)
+	if (!wait_complete() || readw(I2C_BASE + I2SR) & I2SR_RX_NO_AK)
 		return -1;
 	return 0;
 }
 
-static int rx_byte(void)
+static int rx_byte(int last)
 {
-	if (!wait_busy())
+	if (!wait_complete())
 		return -1;
 
-	return __REG16(I2C_BASE + I2DR);
+	if (last)
+		writew(I2CR_IEN, I2C_BASE + I2CR);
+
+	return readw(I2C_BASE + I2DR);
 }
 
 int i2c_probe(uchar chip)
 {
 	int ret;
 
-	__REG16(I2C_BASE + I2CR) = 0; /* Reset module */
-	__REG16(I2C_BASE + I2CR) = I2CR_IEN;
+	writew(0, I2C_BASE + I2CR); /* Reset module */
+	writew(I2CR_IEN, I2C_BASE + I2CR);
 
-	__REG16(I2C_BASE + I2CR) = I2CR_IEN |  I2CR_MSTA | I2CR_MTX;
+	writew(I2CR_IEN |  I2CR_MSTA | I2CR_MTX, I2C_BASE + I2CR);
 	ret = tx_byte(chip << 1);
-	__REG16(I2C_BASE + I2CR) = I2CR_IEN | I2CR_MTX;
+	writew(I2CR_IEN | I2CR_MTX, I2C_BASE + I2CR);
 
 	return ret;
 }
 
 static int i2c_addr(uchar chip, uint addr, int alen)
 {
-	__REG16(I2C_BASE + I2SR) = 0; /* clear interrupt */
-	__REG16(I2C_BASE + I2CR) = I2CR_IEN |  I2CR_MSTA | I2CR_MTX;
+	int i, retry = 0;
+	for (retry = 0; retry < 3; retry++) {
+		if (wait_idle())
+			break;
+		i2c_reset();
+		for (i = 0; i < I2C_MAX_TIMEOUT; i++)
+			udelay(1);
+	}
+	if (retry >= I2C_MAX_RETRIES) {
+		debug("%s:bus is busy(%x)\n",
+		       __func__, readw(I2C_BASE + I2SR));
+		return -1;
+	}
+	writew(I2CR_IEN | I2CR_MSTA | I2CR_MTX, I2C_BASE + I2CR);
 
-	if (tx_byte(chip << 1))
+	if (!wait_busy()) {
+		debug("%s:trigger start fail(%x)\n",
+		       __func__, readw(I2C_BASE + I2SR));
 		return -1;
+	}
 
+	if (tx_byte(chip << 1) || (readw(I2C_BASE + I2SR) & I2SR_RX_NO_AK)) {
+		debug("%s:chip address cycle fail(%x)\n",
+		       __func__, readw(I2C_BASE + I2SR));
+		return -1;
+	}
 	while (alen--)
-		if (tx_byte((addr >> (alen * 8)) & 0xff))
+		if (tx_byte((addr >> (alen * 8)) & 0xff) ||
+		    (readw(I2C_BASE + I2SR) & I2SR_RX_NO_AK)) {
+			debug("%s:device address cycle fail(%x)\n",
+			       __func__, readw(I2C_BASE + I2SR));
 			return -1;
+		}
 	return 0;
 }
 
 int i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len)
 {
-	int timeout = 10000;
+	int timeout = I2C_MAX_TIMEOUT;
 	int ret;
 
-	DPRINTF("%s chip: 0x%02x addr: 0x%04x alen: %d len: %d\n",__FUNCTION__, chip, addr, alen, len);
+	debug("%s chip: 0x%02x addr: 0x%04x alen: %d len: %d\n",
+		__func__, chip, addr, alen, len);
 
 	if (i2c_addr(chip, addr, alen)) {
 		printf("i2c_addr failed\n");
 		return -1;
 	}
 
-	__REG16(I2C_BASE + I2CR) = I2CR_IEN |  I2CR_MSTA | I2CR_MTX | I2CR_RSTA;
+	writew(I2CR_IEN | I2CR_MSTA | I2CR_MTX | I2CR_RSTA, I2C_BASE + I2CR);
 
 	if (tx_byte(chip << 1 | 1))
 		return -1;
 
-	__REG16(I2C_BASE + I2CR) = I2CR_IEN |  I2CR_MSTA | ((len == 1) ? I2CR_TX_NO_AK : 0);
+	writew(I2CR_IEN | I2CR_MSTA |
+		((len == 1) ? I2CR_TX_NO_AK : 0),
+		I2C_BASE + I2CR);
 
-	ret = __REG16(I2C_BASE + I2DR);
+	ret = readw(I2C_BASE + I2DR);
 
 	while (len--) {
-		if ((ret = rx_byte()) < 0)
+		ret = rx_byte(len == 0);
+		if (ret  < 0)
 			return -1;
 		*buf++ = ret;
 		if (len <= 1)
-			__REG16(I2C_BASE + I2CR) = I2CR_IEN |  I2CR_MSTA | I2CR_TX_NO_AK;
+			writew(I2CR_IEN | I2CR_MSTA |
+				I2CR_TX_NO_AK,
+				I2C_BASE + I2CR);
 	}
 
-	wait_busy();
-
-	__REG16(I2C_BASE + I2CR) = I2CR_IEN;
+	writew(I2CR_IEN, I2C_BASE + I2CR);
 
-	while (__REG16(I2C_BASE + I2SR) & I2SR_IBB && --timeout)
+	while (readw(I2C_BASE + I2SR) & I2SR_IBB && --timeout)
 		udelay(1);
 
 	return 0;
@@ -187,8 +268,9 @@ int i2c_read(uchar chip, uint addr, int alen, uchar *buf, int len)
 
 int i2c_write(uchar chip, uint addr, int alen, uchar *buf, int len)
 {
-	int timeout = 10000;
-	DPRINTF("%s chip: 0x%02x addr: 0x%04x alen: %d len: %d\n",__FUNCTION__, chip, addr, alen, len);
+	int timeout = I2C_MAX_TIMEOUT;
+	debug("%s chip: 0x%02x addr: 0x%04x alen: %d len: %d\n",
+		__func__, chip, addr, alen, len);
 
 	if (i2c_addr(chip, addr, alen))
 		return -1;
@@ -197,9 +279,9 @@ int i2c_write(uchar chip, uint addr, int alen, uchar *buf, int len)
 		if (tx_byte(*buf++))
 			return -1;
 
-	__REG16(I2C_BASE + I2CR) = I2CR_IEN;
+	writew(I2CR_IEN, I2C_BASE + I2CR);
 
-	while (__REG16(I2C_BASE + I2SR) & I2SR_IBB && --timeout)
+	while (readw(I2C_BASE + I2SR) & I2SR_IBB && --timeout)
 		udelay(1);
 
 	return 0;
diff --git a/drivers/misc/Makefile b/drivers/misc/Makefile
index a76bd4e..b152486 100644
--- a/drivers/misc/Makefile
+++ b/drivers/misc/Makefile
@@ -28,12 +28,13 @@ LIB	:= $(obj)libmisc.o
 COBJS-$(CONFIG_ALI152X) += ali512x.o
 COBJS-$(CONFIG_DS4510)  += ds4510.o
 COBJS-$(CONFIG_FSL_LAW) += fsl_law.o
+COBJS-$(CONFIG_FSL_PMIC) += fsl_pmic.o
 COBJS-$(CONFIG_GPIO_LED) += gpio_led.o
+COBJS-$(CONFIG_FSL_MC9SDZ60) += mc9sdz60.o
 COBJS-$(CONFIG_NS87308) += ns87308.o
+COBJS-$(CONFIG_PDSP188x) += pdsp188x.o
 COBJS-$(CONFIG_STATUS_LED) += status_led.o
 COBJS-$(CONFIG_TWL4030_LED) += twl4030_led.o
-COBJS-$(CONFIG_FSL_PMIC) += fsl_pmic.o
-COBJS-$(CONFIG_PDSP188x) += pdsp188x.o
 
 COBJS	:= $(COBJS-y)
 SRCS	:= $(COBJS:.o=.c)
diff --git a/drivers/misc/fsl_pmic.c b/drivers/misc/fsl_pmic.c
index 5ee1de1..ef80ad9 100644
--- a/drivers/misc/fsl_pmic.c
+++ b/drivers/misc/fsl_pmic.c
@@ -22,11 +22,48 @@
 
 #include <config.h>
 #include <common.h>
-#include <spi.h>
 #include <asm/errno.h>
 #include <linux/types.h>
 #include <fsl_pmic.h>
 
+static int check_param(u32 reg, u32 write)
+{
+	if (reg > 63 || write > 1) {
+		printf("<reg num> = %d is invalid. Should be less then 63\n",
+			reg);
+		return -1;
+	}
+
+	return 0;
+}
+
+#ifdef CONFIG_FSL_PMIC_I2C
+#include <i2c.h>
+
+u32 pmic_reg(u32 reg, u32 val, u32 write)
+{
+	unsigned char buf[4] = { 0 };
+	u32 ret_val = 0;
+
+	if (check_param(reg, write))
+		return -1;
+
+	if (write) {
+		buf[0] = (val >> 16) & 0xff;
+		buf[1] = (val >> 8) & 0xff;
+		buf[2] = (val) & 0xff;
+		if (i2c_write(CONFIG_SYS_FSL_PMIC_I2C_ADDR, reg, 1, buf, 3))
+			return -1;
+	} else {
+		if (i2c_read(CONFIG_SYS_FSL_PMIC_I2C_ADDR, reg, 1, buf, 3))
+			return -1;
+		ret_val = buf[0] << 16 | buf[1] << 8 | buf[2];
+	}
+
+	return ret_val;
+}
+#else /* SPI interface */
+#include <spi.h>
 static struct spi_slave *slave;
 
 struct spi_slave *pmic_spi_probe(void)
@@ -55,11 +92,8 @@ u32 pmic_reg(u32 reg, u32 val, u32 write)
 			return -1;
 	}
 
-	if (reg > 63 || write > 1) {
-		printf("<reg num> = %d is invalid. Should be less then 63\n",
-			reg);
+	if (check_param(reg, write))
 		return -1;
-	}
 
 	if (spi_claim_bus(slave))
 		return -1;
@@ -87,6 +121,7 @@ u32 pmic_reg(u32 reg, u32 val, u32 write)
 	spi_release_bus(slave);
 	return cpu_to_be32(pmic_rx);
 }
+#endif
 
 void pmic_reg_write(u32 reg, u32 value)
 {
diff --git a/drivers/misc/mc9sdz60.c b/drivers/misc/mc9sdz60.c
new file mode 100644
index 0000000..439d5a6
--- /dev/null
+++ b/drivers/misc/mc9sdz60.c
@@ -0,0 +1,51 @@
+/*
+ * (C) Copyright 2010 Stefano Babic <sbabic@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+
+#include <config.h>
+#include <common.h>
+#include <asm/errno.h>
+#include <linux/types.h>
+#include <i2c.h>
+#include <mc9sdz60.h>
+
+#ifndef CONFIG_SYS_FSL_MC9SDZ60_I2C_ADDR
+#error "You have to configure I2C address for MC9SDZ60"
+#endif
+
+
+u8 mc9sdz60_reg_read(enum mc9sdz60_reg reg)
+{
+	u8 val;
+
+	if (i2c_read(CONFIG_SYS_FSL_MC9SDZ60_I2C_ADDR, reg, 1, &val, 1)) {
+		puts("Error reading MC9SDZ60 register\n");
+		return -1;
+	}
+
+	return val;
+}
+
+void mc9sdz60_reg_write(enum mc9sdz60_reg reg, u8 val)
+{
+	i2c_write(CONFIG_SYS_FSL_MC9SDZ60_I2C_ADDR, reg, 1, &val, 1);
+}
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index 68afd30..3496f0a 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -27,6 +27,7 @@ LIB	:= $(obj)libmmc.o
 
 COBJS-$(CONFIG_ATMEL_MCI) += atmel_mci.o
 COBJS-$(CONFIG_BFIN_SDH) += bfin_sdh.o
+COBJS-$(CONFIG_DAVINCI_MMC) += davinci_mmc.o
 COBJS-$(CONFIG_FSL_ESDHC) += fsl_esdhc.o
 COBJS-$(CONFIG_GENERIC_MMC) += mmc.o
 COBJS-$(CONFIG_GENERIC_ATMEL_MCI) += gen_atmel_mci.o
diff --git a/drivers/mmc/davinci_mmc.c b/drivers/mmc/davinci_mmc.c
new file mode 100644
index 0000000..4e572dc
--- /dev/null
+++ b/drivers/mmc/davinci_mmc.c
@@ -0,0 +1,404 @@
+/*
+ * Davinci MMC Controller Driver
+ *
+ * Copyright (C) 2010 Texas Instruments Incorporated
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#include <config.h>
+#include <common.h>
+#include <command.h>
+#include <mmc.h>
+#include <part.h>
+#include <malloc.h>
+#include <asm/io.h>
+#include <asm/arch/sdmmc_defs.h>
+
+#define DAVINCI_MAX_BLOCKS	(32)
+#define WATCHDOG_COUNT		(100000)
+
+#define get_val(addr)		REG(addr)
+#define set_val(addr, val)	REG(addr) = (val)
+#define set_bit(addr, val)	set_val((addr), (get_val(addr) | (val)))
+#define clear_bit(addr, val)	set_val((addr), (get_val(addr) & ~(val)))
+
+/* Set davinci clock prescalar value based on the required clock in HZ */
+static void dmmc_set_clock(struct mmc *mmc, uint clock)
+{
+	struct davinci_mmc *host = mmc->priv;
+	struct davinci_mmc_regs *regs = host->reg_base;
+	uint clkrt, sysclk2, act_clock;
+
+	if (clock < mmc->f_min)
+		clock = mmc->f_min;
+	if (clock > mmc->f_max)
+		clock = mmc->f_max;
+
+	set_val(&regs->mmcclk, 0);
+	sysclk2 = host->input_clk;
+	clkrt = (sysclk2 / (2 * clock)) - 1;
+
+	/* Calculate the actual clock for the divider used */
+	act_clock = (sysclk2 / (2 * (clkrt + 1)));
+
+	/* Adjust divider if actual clock exceeds the required clock */
+	if (act_clock > clock)
+		clkrt++;
+
+	/* check clock divider boundary and correct it */
+	if (clkrt > 0xFF)
+		clkrt = 0xFF;
+
+	set_val(&regs->mmcclk, (clkrt | MMCCLK_CLKEN));
+}
+
+/* Status bit wait loop for MMCST1 */
+static int
+dmmc_wait_fifo_status(volatile struct davinci_mmc_regs *regs, uint status)
+{
+	uint mmcstatus1, wdog = WATCHDOG_COUNT;
+	mmcstatus1 = get_val(&regs->mmcst1);
+	while (--wdog && ((get_val(&regs->mmcst1) & status) != status))
+		udelay(10);
+
+	if (!(get_val(&regs->mmcctl) & MMCCTL_WIDTH_4_BIT))
+		udelay(100);
+
+	if (wdog == 0)
+		return COMM_ERR;
+
+	return 0;
+}
+
+/* Busy bit wait loop for MMCST1 */
+static int dmmc_busy_wait(volatile struct davinci_mmc_regs *regs)
+{
+	uint mmcstatus1, wdog = WATCHDOG_COUNT;
+
+	mmcstatus1 = get_val(&regs->mmcst1);
+	while (--wdog && (get_val(&regs->mmcst1) & MMCST1_BUSY))
+		udelay(10);
+
+	if (wdog == 0)
+		return COMM_ERR;
+
+	return 0;
+}
+
+/* Status bit wait loop for MMCST0 - Checks for error bits as well */
+static int dmmc_check_status(volatile struct davinci_mmc_regs *regs,
+		uint *cur_st, uint st_ready, uint st_error)
+{
+	uint wdog = WATCHDOG_COUNT;
+	uint mmcstatus = *cur_st;
+
+	while (wdog--) {
+		if (mmcstatus & st_ready) {
+			*cur_st = mmcstatus;
+			mmcstatus = get_val(&regs->mmcst1);
+			return 0;
+		} else if (mmcstatus & st_error) {
+			if (mmcstatus & MMCST0_TOUTRS)
+				return TIMEOUT;
+			printf("[ ST0 ERROR %x]\n", mmcstatus);
+			/*
+			 * Ignore CRC errors as some MMC cards fail to
+			 * initialize on DM365-EVM on the SD1 slot
+			 */
+			if (mmcstatus & MMCST0_CRCRS)
+				return 0;
+			return COMM_ERR;
+		}
+		udelay(10);
+
+		mmcstatus = get_val(&regs->mmcst0);
+	}
+
+	printf("Status %x Timeout ST0:%x ST1:%x\n", st_ready, mmcstatus,
+			get_val(&regs->mmcst1));
+	return COMM_ERR;
+}
+
+/*
+ * Sends a command out on the bus.  Takes the mmc pointer,
+ * a command pointer, and an optional data pointer.
+ */
+static int
+dmmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, struct mmc_data *data)
+{
+	struct davinci_mmc *host = mmc->priv;
+	volatile struct davinci_mmc_regs *regs = host->reg_base;
+	uint mmcstatus, status_rdy, status_err;
+	uint i, cmddata, bytes_left = 0;
+	int fifo_words, fifo_bytes, err;
+	char *data_buf = NULL;
+
+	/* Clear status registers */
+	mmcstatus = get_val(&regs->mmcst0);
+	fifo_words = (host->version == MMC_CTLR_VERSION_2) ? 16 : 8;
+	fifo_bytes = fifo_words << 2;
+
+	/* Wait for any previous busy signal to be cleared */
+	dmmc_busy_wait(regs);
+
+	cmddata = cmd->cmdidx;
+	cmddata |= MMCCMD_PPLEN;
+
+	/* Send init clock for CMD0 */
+	if (cmd->cmdidx == MMC_CMD_GO_IDLE_STATE)
+		cmddata |= MMCCMD_INITCK;
+
+	switch (cmd->resp_type) {
+	case MMC_RSP_R1b:
+		cmddata |= MMCCMD_BSYEXP;
+		/* Fall-through */
+	case MMC_RSP_R1:    /* R1, R1b, R5, R6, R7 */
+		cmddata |= MMCCMD_RSPFMT_R1567;
+		break;
+	case MMC_RSP_R2:
+		cmddata |= MMCCMD_RSPFMT_R2;
+		break;
+	case MMC_RSP_R3: /* R3, R4 */
+		cmddata |= MMCCMD_RSPFMT_R3;
+		break;
+	}
+
+	set_val(&regs->mmcim, 0);
+
+	if (data) {
+		/* clear previous data transfer if any and set new one */
+		bytes_left = (data->blocksize * data->blocks);
+
+		/* Reset FIFO - Always use 32 byte fifo threshold */
+		set_val(&regs->mmcfifoctl,
+				(MMCFIFOCTL_FIFOLEV | MMCFIFOCTL_FIFORST));
+
+		if (host->version == MMC_CTLR_VERSION_2)
+			cmddata |= MMCCMD_DMATRIG;
+
+		cmddata |= MMCCMD_WDATX;
+		if (data->flags == MMC_DATA_READ) {
+			set_val(&regs->mmcfifoctl, MMCFIFOCTL_FIFOLEV);
+		} else if (data->flags == MMC_DATA_WRITE) {
+			set_val(&regs->mmcfifoctl,
+					(MMCFIFOCTL_FIFOLEV |
+					 MMCFIFOCTL_FIFODIR));
+			cmddata |= MMCCMD_DTRW;
+		}
+
+		set_val(&regs->mmctod, 0xFFFF);
+		set_val(&regs->mmcnblk, (data->blocks & MMCNBLK_NBLK_MASK));
+		set_val(&regs->mmcblen, (data->blocksize & MMCBLEN_BLEN_MASK));
+
+		if (data->flags == MMC_DATA_WRITE) {
+			uint val;
+			data_buf = (char *)data->src;
+			/* For write, fill FIFO with data before issue of CMD */
+			for (i = 0; (i < fifo_words) && bytes_left; i++) {
+				memcpy((char *)&val, data_buf, 4);
+				set_val(&regs->mmcdxr, val);
+				data_buf += 4;
+				bytes_left -= 4;
+			}
+		}
+	} else {
+		set_val(&regs->mmcblen, 0);
+		set_val(&regs->mmcnblk, 0);
+	}
+
+	set_val(&regs->mmctor, 0x1FFF);
+
+	/* Send the command */
+	set_val(&regs->mmcarghl, cmd->cmdarg);
+	set_val(&regs->mmccmd, cmddata);
+
+	status_rdy = MMCST0_RSPDNE;
+	status_err = (MMCST0_TOUTRS | MMCST0_TOUTRD |
+			MMCST0_CRCWR | MMCST0_CRCRD);
+	if (cmd->resp_type & MMC_RSP_CRC)
+		status_err |= MMCST0_CRCRS;
+
+	mmcstatus = get_val(&regs->mmcst0);
+	err = dmmc_check_status(regs, &mmcstatus, status_rdy, status_err);
+	if (err)
+		return err;
+
+	/* For R1b wait for busy done */
+	if (cmd->resp_type == MMC_RSP_R1b)
+		dmmc_busy_wait(regs);
+
+	/* Collect response from controller for specific commands */
+	if (mmcstatus & MMCST0_RSPDNE) {
+		/* Copy the response to the response buffer */
+		if (cmd->resp_type & MMC_RSP_136) {
+			cmd->response[0] = get_val(&regs->mmcrsp67);
+			cmd->response[1] = get_val(&regs->mmcrsp45);
+			cmd->response[2] = get_val(&regs->mmcrsp23);
+			cmd->response[3] = get_val(&regs->mmcrsp01);
+		} else if (cmd->resp_type & MMC_RSP_PRESENT) {
+			cmd->response[0] = get_val(&regs->mmcrsp67);
+		}
+	}
+
+	if (data == NULL)
+		return 0;
+
+	if (data->flags == MMC_DATA_READ) {
+		/* check for DATDNE along with DRRDY as the controller might
+		 * set the DATDNE without DRRDY for smaller transfers with
+		 * less than FIFO threshold bytes
+		 */
+		status_rdy = MMCST0_DRRDY | MMCST0_DATDNE;
+		status_err = MMCST0_TOUTRD | MMCST0_CRCRD;
+		data_buf = data->dest;
+	} else {
+		status_rdy = MMCST0_DXRDY | MMCST0_DATDNE;
+		status_err = MMCST0_CRCWR;
+	}
+
+	/* Wait until all of the blocks are transferred */
+	while (bytes_left) {
+		err = dmmc_check_status(regs, &mmcstatus, status_rdy,
+				status_err);
+		if (err)
+			return err;
+
+		if (data->flags == MMC_DATA_READ) {
+			/*
+			 * MMC controller sets the Data receive ready bit
+			 * (DRRDY) in MMCST0 even before the entire FIFO is
+			 * full. This results in erratic behavior if we start
+			 * reading the FIFO soon after DRRDY.  Wait for the
+			 * FIFO full bit in MMCST1 for proper FIFO clearing.
+			 */
+			if (bytes_left > fifo_bytes)
+				dmmc_wait_fifo_status(regs, 0x4a);
+			else if (bytes_left == fifo_bytes)
+				dmmc_wait_fifo_status(regs, 0x40);
+
+			for (i = 0; bytes_left && (i < fifo_words); i++) {
+				cmddata = get_val(&regs->mmcdrr);
+				memcpy(data_buf, (char *)&cmddata, 4);
+				data_buf += 4;
+				bytes_left -= 4;
+			}
+		} else {
+			/*
+			 * MMC controller sets the Data transmit ready bit
+			 * (DXRDY) in MMCST0 even before the entire FIFO is
+			 * empty. This results in erratic behavior if we start
+			 * writing the FIFO soon after DXRDY.  Wait for the
+			 * FIFO empty bit in MMCST1 for proper FIFO clearing.
+			 */
+			dmmc_wait_fifo_status(regs, MMCST1_FIFOEMP);
+			for (i = 0; bytes_left && (i < fifo_words); i++) {
+				memcpy((char *)&cmddata, data_buf, 4);
+				set_val(&regs->mmcdxr, cmddata);
+				data_buf += 4;
+				bytes_left -= 4;
+			}
+			dmmc_busy_wait(regs);
+		}
+	}
+
+	err = dmmc_check_status(regs, &mmcstatus, MMCST0_DATDNE, status_err);
+	if (err)
+		return err;
+
+	return 0;
+}
+
+/* Initialize Davinci MMC controller */
+static int dmmc_init(struct mmc *mmc)
+{
+	struct davinci_mmc *host = mmc->priv;
+	struct davinci_mmc_regs *regs = host->reg_base;
+
+	/* Clear status registers explicitly - soft reset doesn't clear it
+	 * If Uboot is invoked from UBL with SDMMC Support, the status
+	 * registers can have uncleared bits
+	 */
+	get_val(&regs->mmcst0);
+	get_val(&regs->mmcst1);
+
+	/* Hold software reset */
+	set_bit(&regs->mmcctl, MMCCTL_DATRST);
+	set_bit(&regs->mmcctl, MMCCTL_CMDRST);
+	udelay(10);
+
+	set_val(&regs->mmcclk, 0x0);
+	set_val(&regs->mmctor, 0x1FFF);
+	set_val(&regs->mmctod, 0xFFFF);
+
+	/* Clear software reset */
+	clear_bit(&regs->mmcctl, MMCCTL_DATRST);
+	clear_bit(&regs->mmcctl, MMCCTL_CMDRST);
+
+	udelay(10);
+
+	/* Reset FIFO - Always use the maximum fifo threshold */
+	set_val(&regs->mmcfifoctl, (MMCFIFOCTL_FIFOLEV | MMCFIFOCTL_FIFORST));
+	set_val(&regs->mmcfifoctl, MMCFIFOCTL_FIFOLEV);
+
+	return 0;
+}
+
+/* Set buswidth or clock as indicated by the GENERIC_MMC framework */
+static void dmmc_set_ios(struct mmc *mmc)
+{
+	struct davinci_mmc *host = mmc->priv;
+	struct davinci_mmc_regs *regs = host->reg_base;
+
+	/* Set the bus width */
+	if (mmc->bus_width == 4)
+		set_bit(&regs->mmcctl, MMCCTL_WIDTH_4_BIT);
+	else
+		clear_bit(&regs->mmcctl, MMCCTL_WIDTH_4_BIT);
+
+	/* Set clock speed */
+	if (mmc->clock)
+		dmmc_set_clock(mmc, mmc->clock);
+}
+
+/* Called from board_mmc_init during startup. Can be called multiple times
+ * depending on the number of slots available on board and controller
+ */
+int davinci_mmc_init(bd_t *bis, struct davinci_mmc *host)
+{
+	struct mmc *mmc;
+
+	mmc = malloc(sizeof(struct mmc));
+	memset(mmc, 0, sizeof(struct mmc));
+
+	sprintf(mmc->name, "davinci");
+	mmc->priv = host;
+	mmc->send_cmd = dmmc_send_cmd;
+	mmc->set_ios = dmmc_set_ios;
+	mmc->init = dmmc_init;
+
+	mmc->f_min = 200000;
+	mmc->f_max = 25000000;
+	mmc->voltages = host->voltages;
+	mmc->host_caps = host->host_caps;
+
+#ifdef CONFIG_MMC_MBLOCK
+	mmc->b_max = DAVINCI_MAX_BLOCKS;
+#endif
+	mmc_register(mmc);
+
+	return 0;
+}
+
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c
index ec71cfc..2a8dd7e 100644
--- a/drivers/mtd/nand/mxc_nand.c
+++ b/drivers/mtd/nand/mxc_nand.c
@@ -22,7 +22,7 @@
 #include <nand.h>
 #include <linux/err.h>
 #include <asm/io.h>
-#if defined(CONFIG_MX25) || defined(CONFIG_MX27)
+#if defined(CONFIG_MX25) || defined(CONFIG_MX27) || defined(CONFIG_MX35)
 #include <asm/arch/imx-regs.h>
 #endif
 
@@ -50,7 +50,7 @@
  */
 #if defined(CONFIG_MX31) || defined(CONFIG_MX27)
 #define MXC_NFC_V1
-#elif defined(CONFIG_MX25)
+#elif defined(CONFIG_MX25) || defined(CONFIG_MX35)
 #define MXC_NFC_V1_1
 #else
 #warning "MXC NFC version not defined"
@@ -265,7 +265,7 @@ static int is_16bit_nand(void)
 	else
 		return 0;
 }
-#elif defined(CONFIG_MX25)
+#elif defined(CONFIG_MX25) || defined(CONFIG_MX35)
 static int is_16bit_nand(void)
 {
 	struct ccm_regs *ccm =
diff --git a/drivers/net/davinci_emac.c b/drivers/net/davinci_emac.c
index 56cd2aa..c359f54 100644
--- a/drivers/net/davinci_emac.c
+++ b/drivers/net/davinci_emac.c
@@ -322,9 +322,10 @@ static void  __attribute__((unused)) davinci_eth_gigabit_enable(void)
 			 * Check if link detected is giga-bit
 			 * If Gigabit mode detected, enable gigbit in MAC
 			 */
-			writel(EMAC_MACCONTROL_GIGFORCE |
-			       EMAC_MACCONTROL_GIGABIT_ENABLE,
-			       &adap_emac->MACCONTROL);
+			writel(readl(&adap_emac->MACCONTROL) |
+				EMAC_MACCONTROL_GIGFORCE |
+				EMAC_MACCONTROL_GIGABIT_ENABLE,
+				&adap_emac->MACCONTROL);
 		}
 	}
 }
@@ -666,6 +667,7 @@ int davinci_emac_initialize(void)
 		return -1;
 
 	memset(dev, 0, sizeof *dev);
+	sprintf(dev->name, "DaVinci-EMAC");
 
 	dev->iobase = 0;
 	dev->init = davinci_eth_open;
@@ -723,6 +725,13 @@ int davinci_emac_initialize(void)
 			phy.get_link_speed = dp83848_get_link_speed;
 			phy.auto_negotiate = dp83848_auto_negotiate;
 			break;
+		case PHY_ET1011C:
+			sprintf(phy.name, "ET1011C @ 0x%02x", active_phy_addr);
+			phy.init = gen_init_phy;
+			phy.is_phy_connected = gen_is_phy_connected;
+			phy.get_link_speed = et1011c_get_link_speed;
+			phy.auto_negotiate = gen_auto_negotiate;
+			break;
 		default:
 			sprintf(phy.name, "GENERIC @ 0x%02x", active_phy_addr);
 			phy.init = gen_init_phy;
diff --git a/drivers/net/fec_mxc.c b/drivers/net/fec_mxc.c
index c438962..4e4cd27 100644
--- a/drivers/net/fec_mxc.c
+++ b/drivers/net/fec_mxc.c
@@ -354,7 +354,7 @@ static int fec_open(struct eth_device *edev)
 	 */
 	writel(readl(&fec->eth->ecntrl) | FEC_ECNTRL_ETHER_EN,
 		&fec->eth->ecntrl);
-#ifdef CONFIG_MX25
+#if defined(CONFIG_MX25) || defined(CONFIG_MX53)
 	udelay(100);
 	/*
 	 * setup the MII gasket for RMII mode
diff --git a/drivers/net/fec_mxc.h b/drivers/net/fec_mxc.h
index 5d0d69d..1ba5161 100644
--- a/drivers/net/fec_mxc.h
+++ b/drivers/net/fec_mxc.h
@@ -147,7 +147,7 @@ struct ethernet_regs {
 
 	uint32_t res14[7];		/* MBAR_ETH + 0x2E4-2FC */
 
-#ifdef CONFIG_MX25
+#if defined(CONFIG_MX25) || defined(CONFIG_MX53)
 	uint16_t miigsk_cfgr;		/* MBAR_ETH + 0x300 */
 	uint16_t res15[3];		/* MBAR_ETH + 0x302-306 */
 	uint16_t miigsk_enr;		/* MBAR_ETH + 0x308 */
@@ -204,7 +204,7 @@ struct ethernet_regs {
 #define FEC_ECNTRL_RESET		0x00000001	/* reset the FEC */
 #define FEC_ECNTRL_ETHER_EN		0x00000002	/* enable the FEC */
 
-#ifdef CONFIG_MX25
+#if defined(CONFIG_MX25) || defined(CONFIG_MX53)
 /* defines for MIIGSK */
 /* RMII frequency control: 0=50MHz, 1=5MHz */
 #define MIIGSK_CFGR_FRCONT		(1 << 6)
diff --git a/drivers/serial/serial_mxc.c b/drivers/serial/serial_mxc.c
index f96b21f..b9cf9de 100644
--- a/drivers/serial/serial_mxc.c
+++ b/drivers/serial/serial_mxc.c
@@ -50,11 +50,14 @@
 #define UART_PHYS 0x1001b000
 #elif defined(CONFIG_SYS_MX27_UART6)
 #define UART_PHYS 0x1001c000
-#elif defined(CONFIG_SYS_MX51_UART1)
+#elif defined(CONFIG_SYS_MX35_UART1) || defined(CONFIG_SYS_MX51_UART1) || \
+	defined(CONFIG_SYS_MX53_UART1)
 #define UART_PHYS UART1_BASE_ADDR
-#elif defined(CONFIG_SYS_MX51_UART2)
+#elif defined(CONFIG_SYS_MX35_UART2) || defined(CONFIG_SYS_MX51_UART2) || \
+	defined(CONFIG_SYS_MX53_UART2)
 #define UART_PHYS UART2_BASE_ADDR
-#elif defined(CONFIG_SYS_MX51_UART3)
+#elif defined(CONFIG_SYS_MX35_UART3) || defined(CONFIG_SYS_MX51_UART3) || \
+	defined(CONFIG_SYS_MX53_UART3)
 #define UART_PHYS UART3_BASE_ADDR
 #else
 #error "define CONFIG_SYS_MXxx_UARTx to use the MXC UART driver"
diff --git a/drivers/serial/serial_s5p.c b/drivers/serial/serial_s5p.c
index 9c1cbf4..f1ffa29 100644
--- a/drivers/serial/serial_s5p.c
+++ b/drivers/serial/serial_s5p.c
@@ -72,7 +72,7 @@ void serial_setbrg_dev(const int dev_index)
 
 	writel(val / 16 - 1, &uart->ubrdiv);
 
-	if (use_divslot)
+	if (s5p_uart_divslot())
 		writew(udivslot[val % 16], &uart->rest.slot);
 	else
 		writeb(val % 16, &uart->rest.value);
diff --git a/drivers/spi/mxc_spi.c b/drivers/spi/mxc_spi.c
index d558137..6474eb8 100644
--- a/drivers/spi/mxc_spi.c
+++ b/drivers/spi/mxc_spi.c
@@ -36,16 +36,6 @@
 
 #include <asm/arch/mx31.h>
 
-#define MXC_CSPIRXDATA		0x00
-#define MXC_CSPITXDATA		0x04
-#define MXC_CSPICTRL		0x08
-#define MXC_CSPIINT		0x0C
-#define MXC_CSPIDMA		0x10
-#define MXC_CSPISTAT		0x14
-#define MXC_CSPIPERIOD		0x18
-#define MXC_CSPITEST		0x1C
-#define MXC_CSPIRESET		0x00
-
 #define MXC_CSPICTRL_EN		(1 << 0)
 #define MXC_CSPICTRL_MODE	(1 << 1)
 #define MXC_CSPICTRL_XCH	(1 << 2)
@@ -70,19 +60,12 @@ static unsigned long spi_bases[] = {
 	0x53f84000,
 };
 
+#define mxc_get_clock(x)	mx31_get_ipg_clk()
+
 #elif defined(CONFIG_MX51)
 #include <asm/arch/imx-regs.h>
 #include <asm/arch/clock.h>
 
-#define MXC_CSPIRXDATA		0x00
-#define MXC_CSPITXDATA		0x04
-#define MXC_CSPICTRL		0x08
-#define MXC_CSPICON		0x0C
-#define MXC_CSPIINT		0x10
-#define MXC_CSPIDMA		0x14
-#define MXC_CSPISTAT		0x18
-#define MXC_CSPIPERIOD		0x1C
-#define MXC_CSPIRESET		0x00
 #define MXC_CSPICTRL_EN		(1 << 0)
 #define MXC_CSPICTRL_MODE	(1 << 1)
 #define MXC_CSPICTRL_XCH	(1 << 2)
@@ -111,12 +94,44 @@ static unsigned long spi_bases[] = {
 	CSPI2_BASE_ADDR,
 	CSPI3_BASE_ADDR,
 };
+
+#elif defined(CONFIG_MX35)
+
+#include <asm/arch/imx-regs.h>
+#include <asm/arch/clock.h>
+
+#define MXC_CSPICTRL_EN		(1 << 0)
+#define MXC_CSPICTRL_MODE	(1 << 1)
+#define MXC_CSPICTRL_XCH	(1 << 2)
+#define MXC_CSPICTRL_SMC	(1 << 3)
+#define MXC_CSPICTRL_POL	(1 << 4)
+#define MXC_CSPICTRL_PHA	(1 << 5)
+#define MXC_CSPICTRL_SSCTL	(1 << 6)
+#define MXC_CSPICTRL_SSPOL	(1 << 7)
+#define MXC_CSPICTRL_CHIPSELECT(x)	(((x) & 0x3) << 12)
+#define MXC_CSPICTRL_BITCOUNT(x)	(((x) & 0xfff) << 20)
+#define MXC_CSPICTRL_DATARATE(x)	(((x) & 0x7) << 16)
+#define MXC_CSPICTRL_TC		(1 << 7)
+#define MXC_CSPICTRL_RXOVF	(1 << 6)
+#define MXC_CSPICTRL_MAXBITS	0xfff
+
+#define MXC_CSPIPERIOD_32KHZ	(1 << 15)
+#define MAX_SPI_BYTES	4
+
+static unsigned long spi_bases[] = {
+	0x43fa4000,
+	0x50010000,
+};
+
 #else
 #error "Unsupported architecture"
 #endif
 
 #define OUT	MXC_GPIO_DIRECTION_OUT
 
+#define reg_read readl
+#define reg_write(a, v) writel(v, a)
+
 struct mxc_spi_slave {
 	struct spi_slave slave;
 	unsigned long	base;
@@ -133,16 +148,6 @@ static inline struct mxc_spi_slave *to_mxc_spi_slave(struct spi_slave *slave)
 	return container_of(slave, struct mxc_spi_slave, slave);
 }
 
-static inline u32 reg_read(unsigned long addr)
-{
-	return *(volatile unsigned long*)addr;
-}
-
-static inline void reg_write(unsigned long addr, u32 val)
-{
-	*(volatile unsigned long*)addr = val;
-}
-
 void spi_cs_activate(struct spi_slave *slave)
 {
 	struct mxc_spi_slave *mxcs = to_mxc_spi_slave(slave);
@@ -158,24 +163,73 @@ void spi_cs_deactivate(struct spi_slave *slave)
 			      !(mxcs->ss_pol));
 }
 
-#ifdef CONFIG_MX51
-static s32 spi_cfg(struct mxc_spi_slave *mxcs, unsigned int cs,
+u32 get_cspi_div(u32 div)
+{
+	int i;
+
+	for (i = 0; i < 8; i++) {
+		if (div <= (4 << i))
+			return i;
+	}
+	return i;
+}
+
+#if defined(CONFIG_MX31) || defined(CONFIG_MX35)
+static s32 spi_cfg_mxc(struct mxc_spi_slave *mxcs, unsigned int cs,
+		unsigned int max_hz, unsigned int mode)
+{
+	unsigned int ctrl_reg;
+	u32 clk_src;
+	u32 div;
+
+	clk_src = mxc_get_clock(MXC_CSPI_CLK);
+
+	div = clk_src / max_hz;
+	div = get_cspi_div(div);
+
+	debug("clk %d Hz, div %d, real clk %d Hz\n",
+		max_hz, div, clk_src / (4 << div));
+
+	ctrl_reg = MXC_CSPICTRL_CHIPSELECT(cs) |
+		MXC_CSPICTRL_BITCOUNT(MXC_CSPICTRL_MAXBITS) |
+		MXC_CSPICTRL_DATARATE(div) |
+		MXC_CSPICTRL_EN |
+#ifdef CONFIG_MX35
+		MXC_CSPICTRL_SSCTL |
+#endif
+		MXC_CSPICTRL_MODE;
+
+	if (mode & SPI_CPHA)
+		ctrl_reg |= MXC_CSPICTRL_PHA;
+	if (mode & SPI_CPOL)
+		ctrl_reg |= MXC_CSPICTRL_POL;
+	if (mode & SPI_CS_HIGH)
+		ctrl_reg |= MXC_CSPICTRL_SSPOL;
+	mxcs->ctrl_reg = ctrl_reg;
+
+	return 0;
+}
+#endif
+
+#if defined(CONFIG_MX51)
+static s32 spi_cfg_mxc(struct mxc_spi_slave *mxcs, unsigned int cs,
 		unsigned int max_hz, unsigned int mode)
 {
 	u32 clk_src = mxc_get_clock(MXC_CSPI_CLK);
 	s32 pre_div = 0, post_div = 0, i, reg_ctrl, reg_config;
 	u32 ss_pol = 0, sclkpol = 0, sclkpha = 0;
+	struct cspi_regs *regs = (struct cspi_regs *)mxcs->base;
 
 	if (max_hz == 0) {
 		printf("Error: desired clock is 0\n");
 		return -1;
 	}
 
-	reg_ctrl = reg_read(mxcs->base + MXC_CSPICTRL);
+	reg_ctrl = reg_read(&regs->ctrl);
 
 	/* Reset spi */
-	reg_write(mxcs->base + MXC_CSPICTRL, 0);
-	reg_write(mxcs->base + MXC_CSPICTRL, (reg_ctrl | 0x1));
+	reg_write(&regs->ctrl, 0);
+	reg_write(&regs->ctrl, (reg_ctrl | 0x1));
 
 	/*
 	 * The following computation is taken directly from Freescale's code.
@@ -223,11 +277,11 @@ static s32 spi_cfg(struct mxc_spi_slave *mxcs, unsigned int cs,
 	if (mode & SPI_CPHA)
 		sclkpha = 1;
 
-	reg_config = reg_read(mxcs->base + MXC_CSPICON);
+	reg_config = reg_read(&regs->cfg);
 
 	/*
 	 * Configuration register setup
-	 * The MX51 has support different setup for each SS
+	 * The MX51 supports different setup for each SS
 	 */
 	reg_config = (reg_config & ~(1 << (cs + MXC_CSPICON_SSPOL))) |
 		(ss_pol << (cs + MXC_CSPICON_SSPOL));
@@ -237,18 +291,17 @@ static s32 spi_cfg(struct mxc_spi_slave *mxcs, unsigned int cs,
 		(sclkpha << (cs + MXC_CSPICON_PHA));
 
 	debug("reg_ctrl = 0x%x\n", reg_ctrl);
-	reg_write(mxcs->base + MXC_CSPICTRL, reg_ctrl);
+	reg_write(&regs->ctrl, reg_ctrl);
 	debug("reg_config = 0x%x\n", reg_config);
-	reg_write(mxcs->base + MXC_CSPICON, reg_config);
+	reg_write(&regs->cfg, reg_config);
 
 	/* save config register and control register */
 	mxcs->ctrl_reg = reg_ctrl;
 	mxcs->cfg_reg = reg_config;
 
 	/* clear interrupt reg */
-	reg_write(mxcs->base + MXC_CSPIINT, 0);
-	reg_write(mxcs->base + MXC_CSPISTAT,
-		MXC_CSPICTRL_TC | MXC_CSPICTRL_RXOVF);
+	reg_write(&regs->intr, 0);
+	reg_write(&regs->stat, MXC_CSPICTRL_TC | MXC_CSPICTRL_RXOVF);
 
 	return 0;
 }
@@ -260,6 +313,7 @@ int spi_xchg_single(struct spi_slave *slave, unsigned int bitlen,
 	struct mxc_spi_slave *mxcs = to_mxc_spi_slave(slave);
 	int nbytes = (bitlen + 7) / 8;
 	u32 data, cnt, i;
+	struct cspi_regs *regs = (struct cspi_regs *)mxcs->base;
 
 	debug("%s: bitlen %d dout 0x%x din 0x%x\n",
 		__func__, bitlen, (u32)dout, (u32)din);
@@ -268,14 +322,13 @@ int spi_xchg_single(struct spi_slave *slave, unsigned int bitlen,
 		~MXC_CSPICTRL_BITCOUNT(MXC_CSPICTRL_MAXBITS)) |
 		MXC_CSPICTRL_BITCOUNT(bitlen - 1);
 
-	reg_write(mxcs->base + MXC_CSPICTRL, mxcs->ctrl_reg | MXC_CSPICTRL_EN);
+	reg_write(&regs->ctrl, mxcs->ctrl_reg | MXC_CSPICTRL_EN);
 #ifdef CONFIG_MX51
-	reg_write(mxcs->base + MXC_CSPICON, mxcs->cfg_reg);
+	reg_write(&regs->cfg, mxcs->cfg_reg);
 #endif
 
 	/* Clear interrupt register */
-	reg_write(mxcs->base + MXC_CSPISTAT,
-		MXC_CSPICTRL_TC | MXC_CSPICTRL_RXOVF);
+	reg_write(&regs->stat, MXC_CSPICTRL_TC | MXC_CSPICTRL_RXOVF);
 
 	/*
 	 * The SPI controller works only with words,
@@ -292,7 +345,7 @@ int spi_xchg_single(struct spi_slave *slave, unsigned int bitlen,
 		}
 		debug("Sending SPI 0x%x\n", data);
 
-		reg_write(mxcs->base + MXC_CSPITXDATA, data);
+		reg_write(&regs->txdata, data);
 		nbytes -= cnt;
 	}
 
@@ -304,9 +357,8 @@ int spi_xchg_single(struct spi_slave *slave, unsigned int bitlen,
 			/* Buffer is not 32-bit aligned */
 			if ((unsigned long)dout & 0x03) {
 				data = 0;
-				for (i = 0; i < 4; i++, data <<= 8) {
+				for (i = 0; i < 4; i++)
 					data = (data << 8) | (*dout++ & 0xFF);
-				}
 			} else {
 				data = *(u32 *)dout;
 				data = cpu_to_be32(data);
@@ -314,41 +366,40 @@ int spi_xchg_single(struct spi_slave *slave, unsigned int bitlen,
 			dout += 4;
 		}
 		debug("Sending SPI 0x%x\n", data);
-		reg_write(mxcs->base + MXC_CSPITXDATA, data);
+		reg_write(&regs->txdata, data);
 		nbytes -= 4;
 	}
 
 	/* FIFO is written, now starts the transfer setting the XCH bit */
-	reg_write(mxcs->base + MXC_CSPICTRL, mxcs->ctrl_reg |
+	reg_write(&regs->ctrl, mxcs->ctrl_reg |
 		MXC_CSPICTRL_EN | MXC_CSPICTRL_XCH);
 
 	/* Wait until the TC (Transfer completed) bit is set */
-	while ((reg_read(mxcs->base + MXC_CSPISTAT) & MXC_CSPICTRL_TC) == 0)
+	while ((reg_read(&regs->stat) & MXC_CSPICTRL_TC) == 0)
 		;
 
 	/* Transfer completed, clear any pending request */
-	reg_write(mxcs->base + MXC_CSPISTAT,
-		MXC_CSPICTRL_TC | MXC_CSPICTRL_RXOVF);
+	reg_write(&regs->stat, MXC_CSPICTRL_TC | MXC_CSPICTRL_RXOVF);
 
 	nbytes = (bitlen + 7) / 8;
 
 	cnt = nbytes % 32;
 
 	if (bitlen % 32) {
-		data = reg_read(mxcs->base + MXC_CSPIRXDATA);
+		data = reg_read(&regs->rxdata);
 		cnt = (bitlen % 32) / 8;
+		data = cpu_to_be32(data) >> ((sizeof(data) - cnt) * 8);
 		debug("SPI Rx unaligned: 0x%x\n", data);
 		if (din) {
-			for (i = 0; i < cnt; i++, data >>= 8) {
-				*din++ = data & 0xFF;
-			}
+			memcpy(din, &data, cnt);
+			din += cnt;
 		}
 		nbytes -= cnt;
 	}
 
 	while (nbytes > 0) {
 		u32 tmp;
-		tmp = reg_read(mxcs->base + MXC_CSPIRXDATA);
+		tmp = reg_read(&regs->rxdata);
 		data = cpu_to_be32(tmp);
 		debug("SPI Rx: 0x%x 0x%x\n", tmp, data);
 		cnt = min(nbytes, sizeof(data));
@@ -363,7 +414,6 @@ int spi_xchg_single(struct spi_slave *slave, unsigned int bitlen,
 
 }
 
-
 int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
 		void *din, unsigned long flags)
 {
@@ -381,7 +431,6 @@ int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout,
 		spi_cs_activate(slave);
 
 	while (n_bytes > 0) {
-
 		if (n_bytes < MAX_SPI_BYTES)
 			blk_size = n_bytes;
 		else
@@ -441,7 +490,6 @@ static int decode_cs(struct mxc_spi_slave *mxcs, unsigned int cs)
 struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
 			unsigned int max_hz, unsigned int mode)
 {
-	unsigned int ctrl_reg;
 	struct mxc_spi_slave *mxcs;
 	int ret;
 
@@ -467,30 +515,12 @@ struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs,
 	mxcs->base = spi_bases[bus];
 	mxcs->ss_pol = (mode & SPI_CS_HIGH) ? 1 : 0;
 
-#ifdef CONFIG_MX51
-	/* Can be used for i.MX31 too ? */
-	ctrl_reg = 0;
-	ret = spi_cfg(mxcs, cs, max_hz, mode);
+	ret = spi_cfg_mxc(mxcs, cs, max_hz, mode);
 	if (ret) {
 		printf("mxc_spi: cannot setup SPI controller\n");
 		free(mxcs);
 		return NULL;
 	}
-#else
-	ctrl_reg = MXC_CSPICTRL_CHIPSELECT(cs) |
-		MXC_CSPICTRL_BITCOUNT(31) |
-		MXC_CSPICTRL_DATARATE(7) | /* FIXME: calculate data rate */
-		MXC_CSPICTRL_EN |
-		MXC_CSPICTRL_MODE;
-
-	if (mode & SPI_CPHA)
-		ctrl_reg |= MXC_CSPICTRL_PHA;
-	if (mode & SPI_CPOL)
-		ctrl_reg |= MXC_CSPICTRL_POL;
-	if (mode & SPI_CS_HIGH)
-		ctrl_reg |= MXC_CSPICTRL_SSPOL;
-	mxcs->ctrl_reg = ctrl_reg;
-#endif
 	return &mxcs->slave;
 }
 
@@ -504,13 +534,13 @@ void spi_free_slave(struct spi_slave *slave)
 int spi_claim_bus(struct spi_slave *slave)
 {
 	struct mxc_spi_slave *mxcs = to_mxc_spi_slave(slave);
+	struct cspi_regs *regs = (struct cspi_regs *)mxcs->base;
 
-	reg_write(mxcs->base + MXC_CSPIRESET, 1);
+	reg_write(&regs->rxdata, 1);
 	udelay(1);
-	reg_write(mxcs->base + MXC_CSPICTRL, mxcs->ctrl_reg);
-	reg_write(mxcs->base + MXC_CSPIPERIOD,
-		  MXC_CSPIPERIOD_32KHZ);
-	reg_write(mxcs->base + MXC_CSPIINT, 0);
+	reg_write(&regs->ctrl, mxcs->ctrl_reg);
+	reg_write(&regs->period, MXC_CSPIPERIOD_32KHZ);
+	reg_write(&regs->intr, 0);
 
 	return 0;
 }