Merge branch 'u-boot-sunxi/master' into 'u-boot-arm/master'

10 files changed, 496 insertions, 246 deletions

diff --git a/drivers/gpio/Makefile b/drivers/gpio/Makefile
index fb8dcd916b..aa11f15423 100644
--- a/drivers/gpio/Makefile
+++ b/drivers/gpio/Makefile
@@ -36,3 +36,4 @@ obj-$(CONFIG_XILINX_GPIO)	+= xilinx_gpio.o
 obj-$(CONFIG_ADI_GPIO2)	+= adi_gpio2.o
 obj-$(CONFIG_TCA642X)		+= tca642x.o
 oby-$(CONFIG_SX151X)		+= sx151x.o
+obj-$(CONFIG_SUNXI_GPIO)	+= sunxi_gpio.o
diff --git a/drivers/gpio/sunxi_gpio.c b/drivers/gpio/sunxi_gpio.c
new file mode 100644
index 0000000000..0c50a8f332
--- /dev/null
+++ b/drivers/gpio/sunxi_gpio.c
@@ -0,0 +1,102 @@
+/*
+ * (C) Copyright 2012 Henrik Nordstrom <henrik@henriknordstrom.net>
+ *
+ * Based on earlier arch/arm/cpu/armv7/sunxi/gpio.c:
+ *
+ * (C) Copyright 2007-2011
+ * Allwinner Technology Co., Ltd. <www.allwinnertech.com>
+ * Tom Cubie <tangliang@allwinnertech.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <asm/io.h>
+#include <asm/gpio.h>
+
+static int sunxi_gpio_output(u32 pin, u32 val)
+{
+	u32 dat;
+	u32 bank = GPIO_BANK(pin);
+	u32 num = GPIO_NUM(pin);
+	struct sunxi_gpio *pio = BANK_TO_GPIO(bank);
+
+	dat = readl(&pio->dat);
+	if (val)
+		dat |= 0x1 << num;
+	else
+		dat &= ~(0x1 << num);
+
+	writel(dat, &pio->dat);
+
+	return 0;
+}
+
+static int sunxi_gpio_input(u32 pin)
+{
+	u32 dat;
+	u32 bank = GPIO_BANK(pin);
+	u32 num = GPIO_NUM(pin);
+	struct sunxi_gpio *pio = BANK_TO_GPIO(bank);
+
+	dat = readl(&pio->dat);
+	dat >>= num;
+
+	return dat & 0x1;
+}
+
+int gpio_request(unsigned gpio, const char *label)
+{
+	return 0;
+}
+
+int gpio_free(unsigned gpio)
+{
+	return 0;
+}
+
+int gpio_direction_input(unsigned gpio)
+{
+	sunxi_gpio_set_cfgpin(gpio, SUNXI_GPIO_INPUT);
+
+	return sunxi_gpio_input(gpio);
+}
+
+int gpio_direction_output(unsigned gpio, int value)
+{
+	sunxi_gpio_set_cfgpin(gpio, SUNXI_GPIO_OUTPUT);
+
+	return sunxi_gpio_output(gpio, value);
+}
+
+int gpio_get_value(unsigned gpio)
+{
+	return sunxi_gpio_input(gpio);
+}
+
+int gpio_set_value(unsigned gpio, int value)
+{
+	return sunxi_gpio_output(gpio, value);
+}
+
+int sunxi_name_to_gpio(const char *name)
+{
+	int group = 0;
+	int groupsize = 9 * 32;
+	long pin;
+	char *eptr;
+	if (*name == 'P' || *name == 'p')
+		name++;
+	if (*name >= 'A') {
+		group = *name - (*name > 'a' ? 'a' : 'A');
+		groupsize = 32;
+		name++;
+	}
+
+	pin = simple_strtol(name, &eptr, 10);
+	if (!*name || *eptr)
+		return -1;
+	if (pin < 0 || pin > groupsize || group >= 9)
+		return -1;
+	return group * 32 + pin;
+}
diff --git a/drivers/i2c/Makefile b/drivers/i2c/Makefile
index 96bd45d853..416ea4f2c8 100644
--- a/drivers/i2c/Makefile
+++ b/drivers/i2c/Makefile
@@ -7,7 +7,6 @@
 
 obj-$(CONFIG_BFIN_TWI_I2C) += bfin-twi_i2c.o
 obj-$(CONFIG_DW_I2C) += designware_i2c.o
-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
@@ -20,6 +19,7 @@ obj-$(CONFIG_SYS_I2C_FSL) += fsl_i2c.o
 obj-$(CONFIG_SYS_I2C_FTI2C010) += fti2c010.o
 obj-$(CONFIG_SYS_I2C_IHS) += ihs_i2c.o
 obj-$(CONFIG_SYS_I2C_KONA) += kona_i2c.o
+obj-$(CONFIG_SYS_I2C_MVTWSI) += mvtwsi.o
 obj-$(CONFIG_SYS_I2C_MXC) += mxc_i2c.o
 obj-$(CONFIG_SYS_I2C_OMAP24XX) += omap24xx_i2c.o
 obj-$(CONFIG_SYS_I2C_OMAP34XX) += omap24xx_i2c.o
diff --git a/drivers/i2c/mvtwsi.c b/drivers/i2c/mvtwsi.c
index 5ba0e03862..ab3ffa0fc1 100644
--- a/drivers/i2c/mvtwsi.c
+++ b/drivers/i2c/mvtwsi.c
@@ -22,6 +22,8 @@
 #include <asm/arch/orion5x.h>
 #elif defined(CONFIG_KIRKWOOD)
 #include <asm/arch/kirkwood.h>
+#elif defined(CONFIG_SUNXI)
+#include <asm/arch/i2c.h>
 #else
 #error Driver mvtwsi not supported by SoC or board
 #endif
@@ -30,6 +32,20 @@
  * TWSI register structure
  */
 
+#ifdef CONFIG_SUNXI
+
+struct  mvtwsi_registers {
+	u32 slave_address;
+	u32 xtnd_slave_addr;
+	u32 data;
+	u32 control;
+	u32 status;
+	u32 baudrate;
+	u32 soft_reset;
+};
+
+#else
+
 struct  mvtwsi_registers {
 	u32 slave_address;
 	u32 data;
@@ -43,6 +59,8 @@ struct  mvtwsi_registers {
 	u32 soft_reset;
 };
 
+#endif
+
 /*
  * Control register fields
  */
@@ -220,11 +238,10 @@ static int twsi_stop(int status)
 
 /*
  * Reset controller.
- * Called at end of i2c_init unsuccessful i2c transactions.
  * Controller reset also resets the baud rate and slave address, so
- * re-establish them.
+ * they must be re-established afterwards.
  */
-static void twsi_reset(u8 baud_rate, u8 slave_address)
+static void twsi_reset(struct i2c_adapter *adap)
 {
 	/* ensure controller will be enabled by any twsi*() function */
 	twsi_control_flags = MVTWSI_CONTROL_TWSIEN;
@@ -232,23 +249,17 @@ static void twsi_reset(u8 baud_rate, u8 slave_address)
 	writel(0, &twsi->soft_reset);
 	/* wait 2 ms -- this is what the Marvell LSP does */
 	udelay(20000);
-	/* set baud rate */
-	writel(baud_rate, &twsi->baudrate);
-	/* set slave address even though we don't use it */
-	writel(slave_address, &twsi->slave_address);
-	writel(0, &twsi->xtnd_slave_addr);
-	/* assert STOP but don't care for the result */
-	(void) twsi_stop(0);
 }
 
 /*
  * I2C init called by cmd_i2c when doing 'i2c reset'.
  * Sets baud to the highest possible value not exceeding requested one.
  */
-void i2c_init(int requested_speed, int slaveadd)
+static unsigned int twsi_i2c_set_bus_speed(struct i2c_adapter *adap,
+					   unsigned int requested_speed)
 {
-	int	tmp_speed, highest_speed, n, m;
-	int	baud = 0x44; /* baudrate at controller reset */
+	unsigned int tmp_speed, highest_speed, n, m;
+	unsigned int baud = 0x44; /* baudrate at controller reset */
 
 	/* use actual speed to collect progressively higher values */
 	highest_speed = 0;
@@ -263,8 +274,21 @@ void i2c_init(int requested_speed, int slaveadd)
 			}
 		}
 	}
+	writel(baud, &twsi->baudrate);
+	return 0;
+}
+
+static void twsi_i2c_init(struct i2c_adapter *adap, int speed, int slaveadd)
+{
 	/* reset controller */
-	twsi_reset(baud, slaveadd);
+	twsi_reset(adap);
+	/* set speed */
+	twsi_i2c_set_bus_speed(adap, speed);
+	/* set slave address even though we don't use it */
+	writel(slaveadd, &twsi->slave_address);
+	writel(0, &twsi->xtnd_slave_addr);
+	/* assert STOP but don't care for the result */
+	(void) twsi_stop(0);
 }
 
 /*
@@ -294,7 +318,7 @@ static int i2c_begin(int expected_start_status, u8 addr)
  * I2C probe called by cmd_i2c when doing 'i2c probe'.
  * Begin read, nak data byte, end.
  */
-int i2c_probe(uchar chip)
+static int twsi_i2c_probe(struct i2c_adapter *adap, uchar chip)
 {
 	u8 dummy_byte;
 	int status;
@@ -320,12 +344,13 @@ int i2c_probe(uchar chip)
  * cmd_eeprom, so we have to choose here, and for the moment that'll be
  * a repeated start without a preceding stop.
  */
-int i2c_read(u8 dev, uint addr, int alen, u8 *data, int length)
+static int twsi_i2c_read(struct i2c_adapter *adap, uchar chip, uint addr,
+			int alen, uchar *data, int length)
 {
 	int status;
 
 	/* begin i2c write to send the address bytes */
-	status = i2c_begin(MVTWSI_STATUS_START, (dev << 1));
+	status = i2c_begin(MVTWSI_STATUS_START, (chip << 1));
 	/* send addr bytes */
 	while ((status == 0) && alen--)
 		status = twsi_send(addr >> (8*alen),
@@ -333,7 +358,7 @@ int i2c_read(u8 dev, uint addr, int alen, u8 *data, int length)
 	/* begin i2c read to receive eeprom data bytes */
 	if (status == 0)
 		status = i2c_begin(
-			MVTWSI_STATUS_REPEATED_START, (dev << 1) | 1);
+			MVTWSI_STATUS_REPEATED_START, (chip << 1) | 1);
 	/* prepare ACK if at least one byte must be received */
 	if (length > 0)
 		twsi_control_flags |= MVTWSI_CONTROL_ACK;
@@ -355,12 +380,13 @@ int i2c_read(u8 dev, uint addr, int alen, u8 *data, int length)
  * I2C write called by cmd_i2c when doing 'i2c write' and by cmd_eeprom.c
  * Begin write, send address byte(s), send data bytes, end.
  */
-int i2c_write(u8 dev, uint addr, int alen, u8 *data, int length)
+static int twsi_i2c_write(struct i2c_adapter *adap, uchar chip, uint addr,
+			int alen, uchar *data, int length)
 {
 	int status;
 
 	/* begin i2c write to send the eeprom adress bytes then data bytes */
-	status = i2c_begin(MVTWSI_STATUS_START, (dev << 1));
+	status = i2c_begin(MVTWSI_STATUS_START, (chip << 1));
 	/* send addr bytes */
 	while ((status == 0) && alen--)
 		status = twsi_send(addr >> (8*alen),
@@ -374,21 +400,7 @@ int i2c_write(u8 dev, uint addr, int alen, u8 *data, int length)
 	return status;
 }
 
-/*
- * Bus set routine: we only support bus 0.
- */
-int i2c_set_bus_num(unsigned int bus)
-{
-	if (bus > 0) {
-		return -1;
-	}
-	return 0;
-}
-
-/*
- * Bus get routine: hard-return bus 0.
- */
-unsigned int i2c_get_bus_num(void)
-{
-	return 0;
-}
+U_BOOT_I2C_ADAP_COMPLETE(twsi0, twsi_i2c_init, twsi_i2c_probe,
+			 twsi_i2c_read, twsi_i2c_write,
+			 twsi_i2c_set_bus_speed,
+			 CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE, 0)
diff --git a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c
index eb7b1158d6..d4e574fe19 100644
--- a/drivers/mmc/sunxi_mmc.c
+++ b/drivers/mmc/sunxi_mmc.c
@@ -16,28 +16,6 @@
 #include <asm/arch/cpu.h>
 #include <asm/arch/mmc.h>
 
-struct sunxi_mmc_des {
-	u32 reserved1_1:1;
-	u32 dic:1;		/* disable interrupt on completion */
-	u32 last_des:1;		/* 1-this data buffer is the last buffer */
-	u32 first_des:1;		/* 1-data buffer is the first buffer,
-				   0-data buffer contained in the next
-				   descriptor is 1st buffer */
-	u32 des_chain:1;	/* 1-the 2nd address in the descriptor is the
-				   next descriptor address */
-	u32 end_of_ring:1;	/* 1-last descriptor flag when using dual
-				   data buffer in descriptor */
-	u32 reserved1_2:24;
-	u32 card_err_sum:1;	/* transfer error flag */
-	u32 own:1;		/* des owner:1-idma owns it, 0-host owns it */
-#define SDXC_DES_NUM_SHIFT 16
-#define SDXC_DES_BUFFER_MAX_LEN	(1 << SDXC_DES_NUM_SHIFT)
-	u32 data_buf1_sz:16;
-	u32 data_buf2_sz:16;
-	u32 buf_addr_ptr1;
-	u32 buf_addr_ptr2;
-};
-
 struct sunxi_mmc_host {
 	unsigned mmc_no;
 	uint32_t *mclkreg;
@@ -189,6 +167,7 @@ static int mmc_core_init(struct mmc *mmc)
 
 	/* Reset controller */
 	writel(SUNXI_MMC_GCTRL_RESET, &mmchost->reg->gctrl);
+	udelay(1000);
 
 	return 0;
 }
@@ -204,6 +183,9 @@ static int mmc_trans_data_by_cpu(struct mmc *mmc, struct mmc_data *data)
 	unsigned timeout_msecs = 2000;
 	unsigned *buff = (unsigned int *)(reading ? data->dest : data->src);
 
+	/* Always read / write data through the CPU */
+	setbits_le32(&mmchost->reg->gctrl, SUNXI_MMC_GCTRL_ACCESS_BY_AHB);
+
 	for (i = 0; i < (byte_cnt >> 2); i++) {
 		while (readl(&mmchost->reg->status) & status_bit) {
 			if (!timeout_msecs--)
@@ -220,85 +202,6 @@ static int mmc_trans_data_by_cpu(struct mmc *mmc, struct mmc_data *data)
 	return 0;
 }
 
-static int mmc_trans_data_by_dma(struct mmc *mmc, struct mmc_data *data)
-{
-	struct sunxi_mmc_host *mmchost = mmc->priv;
-	unsigned byte_cnt = data->blocksize * data->blocks;
-	unsigned char *buff;
-	unsigned des_idx = 0;
-	unsigned buff_frag_num =
-		(byte_cnt + SDXC_DES_BUFFER_MAX_LEN - 1) >> SDXC_DES_NUM_SHIFT;
-	unsigned remain;
-	unsigned i, rval;
-	ALLOC_CACHE_ALIGN_BUFFER(struct sunxi_mmc_des, pdes, buff_frag_num);
-
-	buff = data->flags & MMC_DATA_READ ?
-	    (unsigned char *)data->dest : (unsigned char *)data->src;
-	remain = byte_cnt & (SDXC_DES_BUFFER_MAX_LEN - 1);
-
-	flush_cache((unsigned long)buff, (unsigned long)byte_cnt);
-	for (i = 0; i < buff_frag_num; i++, des_idx++) {
-		memset((void *)&pdes[des_idx], 0, sizeof(struct sunxi_mmc_des));
-		pdes[des_idx].des_chain = 1;
-		pdes[des_idx].own = 1;
-		pdes[des_idx].dic = 1;
-		if (buff_frag_num > 1 && i != buff_frag_num - 1)
-			pdes[des_idx].data_buf1_sz = 0; /* 0 == max_len */
-		else
-			pdes[des_idx].data_buf1_sz = remain;
-
-		pdes[des_idx].buf_addr_ptr1 =
-		    (u32) buff + i * SDXC_DES_BUFFER_MAX_LEN;
-		if (i == 0)
-			pdes[des_idx].first_des = 1;
-
-		if (i == buff_frag_num - 1) {
-			pdes[des_idx].dic = 0;
-			pdes[des_idx].last_des = 1;
-			pdes[des_idx].end_of_ring = 1;
-			pdes[des_idx].buf_addr_ptr2 = 0;
-		} else {
-			pdes[des_idx].buf_addr_ptr2 = (u32)&pdes[des_idx + 1];
-		}
-	}
-	flush_cache((unsigned long)pdes,
-		    sizeof(struct sunxi_mmc_des) * (des_idx + 1));
-
-	rval = readl(&mmchost->reg->gctrl);
-	/* Enable DMA */
-	writel(rval | SUNXI_MMC_GCTRL_DMA_RESET | SUNXI_MMC_GCTRL_DMA_ENABLE,
-	       &mmchost->reg->gctrl);
-	/* Reset iDMA */
-	writel(SUNXI_MMC_IDMAC_RESET, &mmchost->reg->dmac);
-	/* Enable iDMA */
-	writel(SUNXI_MMC_IDMAC_FIXBURST | SUNXI_MMC_IDMAC_ENABLE,
-	       &mmchost->reg->dmac);
-	rval = readl(&mmchost->reg->idie) &
-		~(SUNXI_MMC_IDIE_TXIRQ|SUNXI_MMC_IDIE_RXIRQ);
-	if (data->flags & MMC_DATA_WRITE)
-		rval |= SUNXI_MMC_IDIE_TXIRQ;
-	else
-		rval |= SUNXI_MMC_IDIE_RXIRQ;
-	writel(rval, &mmchost->reg->idie);
-	writel((u32) pdes, &mmchost->reg->dlba);
-	writel((0x2 << 28) | (0x7 << 16) | (0x01 << 3),
-	       &mmchost->reg->ftrglevel);
-
-	return 0;
-}
-
-static void mmc_enable_dma_accesses(struct mmc *mmc, int dma)
-{
-	struct sunxi_mmc_host *mmchost = mmc->priv;
-
-	unsigned int gctrl = readl(&mmchost->reg->gctrl);
-	if (dma)
-		gctrl &= ~SUNXI_MMC_GCTRL_ACCESS_BY_AHB;
-	else
-		gctrl |= SUNXI_MMC_GCTRL_ACCESS_BY_AHB;
-	writel(gctrl, &mmchost->reg->gctrl);
-}
-
 static int mmc_rint_wait(struct mmc *mmc, unsigned int timeout_msecs,
 			 unsigned int done_bit, const char *what)
 {
@@ -327,7 +230,6 @@ static int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 	unsigned int timeout_msecs;
 	int error = 0;
 	unsigned int status = 0;
-	unsigned int usedma = 0;
 	unsigned int bytecnt = 0;
 
 	if (mmchost->fatal_err)
@@ -378,20 +280,8 @@ static int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 
 		bytecnt = data->blocksize * data->blocks;
 		debug("trans data %d bytes\n", bytecnt);
-#if defined(CONFIG_MMC_SUNXI_USE_DMA) && !defined(CONFIG_SPL_BUILD)
-		if (bytecnt > 64) {
-#else
-		if (0) {
-#endif
-			usedma = 1;
-			mmc_enable_dma_accesses(mmc, 1);
-			ret = mmc_trans_data_by_dma(mmc, data);
-			writel(cmdval | cmd->cmdidx, &mmchost->reg->cmd);
-		} else {
-			mmc_enable_dma_accesses(mmc, 0);
-			writel(cmdval | cmd->cmdidx, &mmchost->reg->cmd);
-			ret = mmc_trans_data_by_cpu(mmc, data);
-		}
+		writel(cmdval | cmd->cmdidx, &mmchost->reg->cmd);
+		ret = mmc_trans_data_by_cpu(mmc, data);
 		if (ret) {
 			error = readl(&mmchost->reg->rint) & \
 				SUNXI_MMC_RINT_INTERRUPT_ERROR_BIT;
@@ -405,7 +295,7 @@ static int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 		goto out;
 
 	if (data) {
-		timeout_msecs = usedma ? 120 * bytecnt : 120;
+		timeout_msecs = 120;
 		debug("cacl timeout %x msec\n", timeout_msecs);
 		error = mmc_rint_wait(mmc, timeout_msecs,
 				      data->blocks > 1 ?
@@ -442,23 +332,6 @@ static int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd,
 		debug("mmc resp 0x%08x\n", cmd->response[0]);
 	}
 out:
-	if (data && usedma) {
-		/* IDMASTAREG
-		 * IDST[0] : idma tx int
-		 * IDST[1] : idma rx int
-		 * IDST[2] : idma fatal bus error
-		 * IDST[4] : idma descriptor invalid
-		 * IDST[5] : idma error summary
-		 * IDST[8] : idma normal interrupt sumary
-		 * IDST[9] : idma abnormal interrupt sumary
-		 */
-		status = readl(&mmchost->reg->idst);
-		writel(status, &mmchost->reg->idst);
-		writel(0, &mmchost->reg->idie);
-		writel(0, &mmchost->reg->dmac);
-		writel(readl(&mmchost->reg->gctrl) & ~SUNXI_MMC_GCTRL_DMA_ENABLE,
-		       &mmchost->reg->gctrl);
-	}
 	if (error < 0) {
 		writel(SUNXI_MMC_GCTRL_RESET, &mmchost->reg->gctrl);
 		mmc_update_clk(mmc);
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 6226cb259f..7cc6b6fc08 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -20,6 +20,7 @@ obj-$(CONFIG_DNET) += dnet.o
 obj-$(CONFIG_E1000) += e1000.o
 obj-$(CONFIG_E1000_SPI) += e1000_spi.o
 obj-$(CONFIG_EEPRO100) += eepro100.o
+obj-$(CONFIG_SUNXI_EMAC) += sunxi_emac.o
 obj-$(CONFIG_ENC28J60) += enc28j60.o
 obj-$(CONFIG_EP93XX) += ep93xx_eth.o
 obj-$(CONFIG_ETHOC) += ethoc.o
@@ -51,7 +52,6 @@ obj-$(CONFIG_RTL8169) += rtl8169.o
 obj-$(CONFIG_SH_ETHER) += sh_eth.o
 obj-$(CONFIG_SMC91111) += smc91111.o
 obj-$(CONFIG_SMC911X) += smc911x.o
-obj-$(CONFIG_SUNXI_WEMAC) += sunxi_wemac.o
 obj-$(CONFIG_DRIVER_TI_EMAC) += davinci_emac.o
 obj-$(CONFIG_TSEC_ENET) += tsec.o fsl_mdio.o
 obj-$(CONFIG_DRIVER_TI_CPSW) += cpsw.o
diff --git a/drivers/net/sunxi_wemac.c b/drivers/net/sunxi_emac.c
index 699a381582..5a06d68af7 100644
--- a/drivers/net/sunxi_wemac.c
+++ b/drivers/net/sunxi_emac.c
@@ -1,5 +1,5 @@
 /*
- * sunxi_wemac.c -- Allwinner A10 ethernet driver
+ * sunxi_emac.c -- Allwinner A10 ethernet driver
  *
  * (C) Copyright 2012, Stefan Roese <sr@denx.de>
  *
@@ -7,16 +7,16 @@
  */
 
 #include <common.h>
+#include <linux/err.h>
 #include <malloc.h>
-#include <net.h>
 #include <miiphy.h>
-#include <linux/err.h>
+#include <net.h>
 #include <asm/io.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/gpio.h>
 
 /* EMAC register  */
-struct wemac_regs {
+struct emac_regs {
 	u32 ctl;	/* 0x00 */
 	u32 tx_mode;	/* 0x04 */
 	u32 tx_flow;	/* 0x08 */
@@ -27,7 +27,7 @@ struct wemac_regs {
 	u32 tx_pl1;	/* 0x1c */
 	u32 tx_sta;	/* 0x20 */
 	u32 tx_io_data;	/* 0x24 */
-	u32 tx_io_data1; /* 0x28 */
+	u32 tx_io_data1;/* 0x28 */
 	u32 tx_tsvl0;	/* 0x2c */
 	u32 tx_tsvh0;	/* 0x30 */
 	u32 tx_tsvl1;	/* 0x34 */
@@ -141,33 +141,33 @@ struct sunxi_sramc_regs {
 
 #define EMAC_MAC_IPGT		0x15
 
-#define EMAC_MAC_NBTB_IPG1	0xC
+#define EMAC_MAC_NBTB_IPG1	0xc
 #define EMAC_MAC_NBTB_IPG2	0x12
 
 #define EMAC_MAC_CW		0x37
-#define EMAC_MAC_RM		0xF
+#define EMAC_MAC_RM		0xf
 
 #define EMAC_MAC_MFL		0x0600
 
 /* Receive status */
-#define EMAC_CRCERR		(1 << 4)
-#define EMAC_LENERR		(3 << 5)
+#define EMAC_CRCERR		(0x1 << 4)
+#define EMAC_LENERR		(0x3 << 5)
 
 #define DMA_CPU_TRRESHOLD	2000
 
-struct wemac_eth_dev {
+struct emac_eth_dev {
 	u32 speed;
 	u32 duplex;
 	u32 phy_configured;
 	int link_printed;
 };
 
-struct wemac_rxhdr {
+struct emac_rxhdr {
 	s16 rx_len;
 	u16 rx_status;
 };
 
-static void wemac_inblk_32bit(void *reg, void *data, int count)
+static void emac_inblk_32bit(void *reg, void *data, int count)
 {
 	int cnt = (count + 3) >> 2;
 
@@ -181,7 +181,7 @@ static void wemac_inblk_32bit(void *reg, void *data, int count)
 	}
 }
 
-static void wemac_outblk_32bit(void *reg, void *data, int count)
+static void emac_outblk_32bit(void *reg, void *data, int count)
 {
 	int cnt = (count + 3) >> 2;
 
@@ -194,14 +194,12 @@ static void wemac_outblk_32bit(void *reg, void *data, int count)
 	}
 }
 
-/*
- * Read a word from phyxcer
- */
-static int wemac_phy_read(const char *devname, unsigned char addr,
+/* Read a word from phyxcer */
+static int emac_phy_read(const char *devname, unsigned char addr,
 			  unsigned char reg, unsigned short *value)
 {
 	struct eth_device *dev = eth_get_dev_by_name(devname);
-	struct wemac_regs *regs = (struct wemac_regs *)dev->iobase;
+	struct emac_regs *regs = (struct emac_regs *)dev->iobase;
 
 	/* issue the phy address and reg */
 	writel(addr << 8 | reg, &regs->mac_madr);
@@ -221,14 +219,12 @@ static int wemac_phy_read(const char *devname, unsigned char addr,
 	return 0;
 }
 
-/*
- * Write a word to phyxcer
- */
-static int wemac_phy_write(const char *devname, unsigned char addr,
+/* Write a word to phyxcer */
+static int emac_phy_write(const char *devname, unsigned char addr,
 			   unsigned char reg, unsigned short value)
 {
 	struct eth_device *dev = eth_get_dev_by_name(devname);
-	struct wemac_regs *regs = (struct wemac_regs *)dev->iobase;
+	struct emac_regs *regs = (struct emac_regs *)dev->iobase;
 
 	/* issue the phy address and reg */
 	writel(addr << 8 | reg, &regs->mac_madr);
@@ -250,7 +246,7 @@ static int wemac_phy_write(const char *devname, unsigned char addr,
 
 static void emac_setup(struct eth_device *dev)
 {
-	struct wemac_regs *regs = (struct wemac_regs *)dev->iobase;
+	struct emac_regs *regs = (struct emac_regs *)dev->iobase;
 	u32 reg_val;
 	u16 phy_val;
 	u32 duplex_flag;
@@ -266,7 +262,7 @@ static void emac_setup(struct eth_device *dev)
 	writel(EMAC_MAC_CTL0_SETUP, &regs->mac_ctl0);
 
 	/* Set MAC CTL1 */
-	wemac_phy_read(dev->name, 1, 0, &phy_val);
+	emac_phy_read(dev->name, 1, 0, &phy_val);
 	debug("PHY SETUP, reg 0 value: %x\n", phy_val);
 	duplex_flag = !!(phy_val & (1 << 8));
 
@@ -288,9 +284,9 @@ static void emac_setup(struct eth_device *dev)
 	writel(EMAC_MAC_MFL, &regs->mac_maxf);
 }
 
-static void wemac_reset(struct eth_device *dev)
+static void emac_reset(struct eth_device *dev)
 {
-	struct wemac_regs *regs = (struct wemac_regs *)dev->iobase;
+	struct emac_regs *regs = (struct emac_regs *)dev->iobase;
 
 	debug("resetting device\n");
 
@@ -302,10 +298,10 @@ static void wemac_reset(struct eth_device *dev)
 	udelay(200);
 }
 
-static int sunxi_wemac_eth_init(struct eth_device *dev, bd_t *bd)
+static int sunxi_emac_eth_init(struct eth_device *dev, bd_t *bd)
 {
-	struct wemac_regs *regs = (struct wemac_regs *)dev->iobase;
-	struct wemac_eth_dev *priv = dev->priv;
+	struct emac_regs *regs = (struct emac_regs *)dev->iobase;
+	struct emac_eth_dev *priv = dev->priv;
 	u16 phy_reg;
 
 	/* Init EMAC */
@@ -317,10 +313,7 @@ static int sunxi_wemac_eth_init(struct eth_device *dev, bd_t *bd)
 	/* Init MAC */
 
 	/* Soft reset MAC */
-	clrbits_le32(&regs->mac_ctl0, 1 << 15);
-
-	/* Set MII clock */
-	clrsetbits_le32(&regs->mac_mcfg, 0xf << 2, 0xd << 2);
+	clrbits_le32(&regs->mac_ctl0, 0x1 << 15);
 
 	/* Clear RX counter */
 	writel(0x0, &regs->rx_fbc);
@@ -336,14 +329,14 @@ static int sunxi_wemac_eth_init(struct eth_device *dev, bd_t *bd)
 
 	mdelay(1);
 
-	wemac_reset(dev);
+	emac_reset(dev);
 
 	/* PHY POWER UP */
-	wemac_phy_read(dev->name, 1, 0, &phy_reg);
-	wemac_phy_write(dev->name, 1, 0, phy_reg & (~(1 << 11)));
+	emac_phy_read(dev->name, 1, 0, &phy_reg);
+	emac_phy_write(dev->name, 1, 0, phy_reg & (~(0x1 << 11)));
 	mdelay(1);
 
-	wemac_phy_read(dev->name, 1, 0, &phy_reg);
+	emac_phy_read(dev->name, 1, 0, &phy_reg);
 
 	priv->speed = miiphy_speed(dev->name, 0);
 	priv->duplex = miiphy_duplex(dev->name, 0);
@@ -357,11 +350,11 @@ static int sunxi_wemac_eth_init(struct eth_device *dev, bd_t *bd)
 
 	/* Set EMAC SPEED depend on PHY */
 	clrsetbits_le32(&regs->mac_supp, 1 << 8,
-			((phy_reg & (1 << 13)) >> 13) << 8);
+			((phy_reg & (0x1 << 13)) >> 13) << 8);
 
 	/* Set duplex depend on phy */
 	clrsetbits_le32(&regs->mac_ctl1, 1 << 0,
-			((phy_reg & (1 << 8)) >> 8) << 0);
+			((phy_reg & (0x1 << 8)) >> 8) << 0);
 
 	/* Enable RX/TX */
 	setbits_le32(&regs->ctl, 0x7);
@@ -369,15 +362,15 @@ static int sunxi_wemac_eth_init(struct eth_device *dev, bd_t *bd)
 	return 0;
 }
 
-static void sunxi_wemac_eth_halt(struct eth_device *dev)
+static void sunxi_emac_eth_halt(struct eth_device *dev)
 {
 	/* Nothing to do here */
 }
 
-static int sunxi_wemac_eth_recv(struct eth_device *dev)
+static int sunxi_emac_eth_recv(struct eth_device *dev)
 {
-	struct wemac_regs *regs = (struct wemac_regs *)dev->iobase;
-	struct wemac_rxhdr rxhdr;
+	struct emac_regs *regs = (struct emac_regs *)dev->iobase;
+	struct emac_rxhdr rxhdr;
 	u32 rxcount;
 	u32 reg_val;
 	int rx_len;
@@ -386,8 +379,7 @@ static int sunxi_wemac_eth_recv(struct eth_device *dev)
 
 	/* Check packet ready or not */
 
-	/*
-	 * Race warning: The first packet might arrive with
+	/* Race warning: The first packet might arrive with
 	 * the interrupts disabled, but the second will fix
 	 */
 	rxcount = readl(&regs->rx_fbc);
@@ -401,26 +393,25 @@ static int sunxi_wemac_eth_recv(struct eth_device *dev)
 	reg_val = readl(&regs->rx_io_data);
 	if (reg_val != 0x0143414d) {
 		/* Disable RX */
-		clrbits_le32(&regs->ctl, 1 << 2);
+		clrbits_le32(&regs->ctl, 0x1 << 2);
 
 		/* Flush RX FIFO */
-		setbits_le32(&regs->rx_ctl, 1 << 3);
-		while (readl(&regs->rx_ctl) & (1 << 3))
+		setbits_le32(&regs->rx_ctl, 0x1 << 3);
+		while (readl(&regs->rx_ctl) & (0x1 << 3))
 			;
 
 		/* Enable RX */
-		setbits_le32(&regs->ctl, 1 << 2);
+		setbits_le32(&regs->ctl, 0x1 << 2);
 
 		return 0;
 	}
 
-	/*
-	 * A packet ready now
+	/* A packet ready now
 	 * Get status/length
 	 */
 	good_packet = 1;
 
-	wemac_inblk_32bit(&regs->rx_io_data, &rxhdr, sizeof(rxhdr));
+	emac_inblk_32bit(&regs->rx_io_data, &rxhdr, sizeof(rxhdr));
 
 	rx_len = rxhdr.rx_len;
 	rx_status = rxhdr.rx_status;
@@ -440,13 +431,13 @@ static int sunxi_wemac_eth_recv(struct eth_device *dev)
 			printf("length error\n");
 	}
 
-	/* Move data from WEMAC */
+	/* Move data from EMAC */
 	if (good_packet) {
 		if (rx_len > DMA_CPU_TRRESHOLD) {
 			printf("Received packet is too big (len=%d)\n", rx_len);
 		} else {
-			wemac_inblk_32bit((void *)&regs->rx_io_data,
-					  NetRxPackets[0], rx_len);
+			emac_inblk_32bit((void *)&regs->rx_io_data,
+					 NetRxPackets[0], rx_len);
 
 			/* Pass to upper layer */
 			NetReceive(NetRxPackets[0], rx_len);
@@ -457,15 +448,15 @@ static int sunxi_wemac_eth_recv(struct eth_device *dev)
 	return 0;
 }
 
-static int sunxi_wemac_eth_send(struct eth_device *dev, void *packet, int len)
+static int sunxi_emac_eth_send(struct eth_device *dev, void *packet, int len)
 {
-	struct wemac_regs *regs = (struct wemac_regs *)dev->iobase;
+	struct emac_regs *regs = (struct emac_regs *)dev->iobase;
 
 	/* Select channel 0 */
 	writel(0, &regs->tx_ins);
 
 	/* Write packet */
-	wemac_outblk_32bit((void *)&regs->tx_io_data, packet, len);
+	emac_outblk_32bit((void *)&regs->tx_io_data, packet, len);
 
 	/* Set TX len */
 	writel(len, &regs->tx_pl0);
@@ -476,50 +467,55 @@ static int sunxi_wemac_eth_send(struct eth_device *dev, void *packet, int len)
 	return 0;
 }
 
-int sunxi_wemac_initialize(void)
+int sunxi_emac_initialize(void)
 {
 	struct sunxi_ccm_reg *const ccm =
 		(struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
 	struct sunxi_sramc_regs *sram =
 		(struct sunxi_sramc_regs *)SUNXI_SRAMC_BASE;
+	struct emac_regs *regs =
+		(struct emac_regs *)SUNXI_EMAC_BASE;
 	struct eth_device *dev;
-	struct wemac_eth_dev *priv;
+	struct emac_eth_dev *priv;
 	int pin;
 
 	dev = malloc(sizeof(*dev));
 	if (dev == NULL)
 		return -ENOMEM;
 
-	priv = (struct wemac_eth_dev *)malloc(sizeof(struct wemac_eth_dev));
+	priv = (struct emac_eth_dev *)malloc(sizeof(struct emac_eth_dev));
 	if (!priv) {
 		free(dev);
 		return -ENOMEM;
 	}
 
 	memset(dev, 0, sizeof(*dev));
-	memset(priv, 0, sizeof(struct wemac_eth_dev));
+	memset(priv, 0, sizeof(struct emac_eth_dev));
 
 	/* Map SRAM to EMAC */
 	setbits_le32(&sram->ctrl1, 0x5 << 2);
 
 	/* Configure pin mux settings for MII Ethernet */
 	for (pin = SUNXI_GPA(0); pin <= SUNXI_GPA(17); pin++)
-		sunxi_gpio_set_cfgpin(pin, 2);
+		sunxi_gpio_set_cfgpin(pin, SUNXI_GPA0_EMAC);
 
 	/* Set up clock gating */
-	setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_EMAC);
+	setbits_le32(&ccm->ahb_gate0, 0x1 << AHB_GATE_OFFSET_EMAC);
+
+	/* Set MII clock */
+	clrsetbits_le32(&regs->mac_mcfg, 0xf << 2, 0xd << 2);
 
-	dev->iobase = SUNXI_EMAC_BASE;
+	dev->iobase = (int)regs;
 	dev->priv = priv;
-	dev->init = sunxi_wemac_eth_init;
-	dev->halt = sunxi_wemac_eth_halt;
-	dev->send = sunxi_wemac_eth_send;
-	dev->recv = sunxi_wemac_eth_recv;
-	strcpy(dev->name, "wemac");
+	dev->init = sunxi_emac_eth_init;
+	dev->halt = sunxi_emac_eth_halt;
+	dev->send = sunxi_emac_eth_send;
+	dev->recv = sunxi_emac_eth_recv;
+	strcpy(dev->name, "emac");
 
 	eth_register(dev);
 
-	miiphy_register(dev->name, wemac_phy_read, wemac_phy_write);
+	miiphy_register(dev->name, emac_phy_read, emac_phy_write);
 
 	return 0;
 }
diff --git a/drivers/power/Makefile b/drivers/power/Makefile
index 53ff97d745..dc64e4d32b 100644
--- a/drivers/power/Makefile
+++ b/drivers/power/Makefile
@@ -5,6 +5,8 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
+obj-$(CONFIG_AXP152_POWER)	+= axp152.o
+obj-$(CONFIG_AXP209_POWER)	+= axp209.o
 obj-$(CONFIG_EXYNOS_TMU)	+= exynos-tmu.o
 obj-$(CONFIG_FTPMU010_POWER)	+= ftpmu010.o
 obj-$(CONFIG_TPS6586X_POWER)	+= tps6586x.o
diff --git a/drivers/power/axp152.c b/drivers/power/axp152.c
new file mode 100644
index 0000000000..fa4ea050a5
--- /dev/null
+++ b/drivers/power/axp152.c
@@ -0,0 +1,97 @@
+/*
+ * (C) Copyright 2012
+ * Henrik Nordstrom <henrik@henriknordstrom.net>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#include <common.h>
+#include <i2c.h>
+#include <axp152.h>
+
+enum axp152_reg {
+	AXP152_CHIP_VERSION = 0x3,
+	AXP152_DCDC2_VOLTAGE = 0x23,
+	AXP152_DCDC3_VOLTAGE = 0x27,
+	AXP152_DCDC4_VOLTAGE = 0x2B,
+	AXP152_LDO2_VOLTAGE = 0x2A,
+	AXP152_SHUTDOWN = 0x32,
+};
+
+#define AXP152_POWEROFF			(1 << 7)
+
+static int axp152_write(enum axp152_reg reg, u8 val)
+{
+	return i2c_write(0x30, reg, 1, &val, 1);
+}
+
+static int axp152_read(enum axp152_reg reg, u8 *val)
+{
+	return i2c_read(0x30, reg, 1, val, 1);
+}
+
+static u8 axp152_mvolt_to_target(int mvolt, int min, int max, int div)
+{
+	if (mvolt < min)
+		mvolt = min;
+	else if (mvolt > max)
+		mvolt = max;
+
+	return (mvolt - min) / div;
+}
+
+int axp152_set_dcdc2(int mvolt)
+{
+	int rc;
+	u8 current, target;
+
+	target = axp152_mvolt_to_target(mvolt, 700, 2275, 25);
+
+	/* Do we really need to be this gentle? It has built-in voltage slope */
+	while ((rc = axp152_read(AXP152_DCDC2_VOLTAGE, &current)) == 0 &&
+	       current != target) {
+		if (current < target)
+			current++;
+		else
+			current--;
+		rc = axp152_write(AXP152_DCDC2_VOLTAGE, current);
+		if (rc)
+			break;
+	}
+	return rc;
+}
+
+int axp152_set_dcdc3(int mvolt)
+{
+	u8 target = axp152_mvolt_to_target(mvolt, 700, 3500, 25);
+
+	return axp152_write(AXP152_DCDC3_VOLTAGE, target);
+}
+
+int axp152_set_dcdc4(int mvolt)
+{
+	u8 target = axp152_mvolt_to_target(mvolt, 700, 3500, 25);
+
+	return axp152_write(AXP152_DCDC4_VOLTAGE, target);
+}
+
+int axp152_set_ldo2(int mvolt)
+{
+	u8 target = axp152_mvolt_to_target(mvolt, 700, 3500, 100);
+
+	return axp152_write(AXP152_LDO2_VOLTAGE, target);
+}
+
+int axp152_init(void)
+{
+	u8 ver;
+	int rc;
+
+	rc = axp152_read(AXP152_CHIP_VERSION, &ver);
+	if (rc)
+		return rc;
+
+	if (ver != 0x05)
+		return -1;
+
+	return 0;
+}
diff --git a/drivers/power/axp209.c b/drivers/power/axp209.c
new file mode 100644
index 0000000000..9798e5bf7c
--- /dev/null
+++ b/drivers/power/axp209.c
@@ -0,0 +1,167 @@
+/*
+ * (C) Copyright 2012
+ * Henrik Nordstrom <henrik@henriknordstrom.net>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <common.h>
+#include <i2c.h>
+#include <axp209.h>
+
+enum axp209_reg {
+	AXP209_POWER_STATUS = 0x00,
+	AXP209_CHIP_VERSION = 0x03,
+	AXP209_DCDC2_VOLTAGE = 0x23,
+	AXP209_DCDC3_VOLTAGE = 0x27,
+	AXP209_LDO24_VOLTAGE = 0x28,
+	AXP209_LDO3_VOLTAGE = 0x29,
+	AXP209_IRQ_STATUS5 = 0x4c,
+	AXP209_SHUTDOWN = 0x32,
+};
+
+#define AXP209_POWER_STATUS_ON_BY_DC	(1 << 0)
+
+#define AXP209_IRQ5_PEK_UP		(1 << 6)
+#define AXP209_IRQ5_PEK_DOWN		(1 << 5)
+
+#define AXP209_POWEROFF			(1 << 7)
+
+static int axp209_write(enum axp209_reg reg, u8 val)
+{
+	return i2c_write(0x34, reg, 1, &val, 1);
+}
+
+static int axp209_read(enum axp209_reg reg, u8 *val)
+{
+	return i2c_read(0x34, reg, 1, val, 1);
+}
+
+static u8 axp209_mvolt_to_cfg(int mvolt, int min, int max, int div)
+{
+	if (mvolt < min)
+		mvolt = min;
+	else if (mvolt > max)
+		mvolt = max;
+
+	return (mvolt - min) / div;
+}
+
+int axp209_set_dcdc2(int mvolt)
+{
+	int rc;
+	u8 cfg, current;
+
+	cfg = axp209_mvolt_to_cfg(mvolt, 700, 2275, 25);
+
+	/* Do we really need to be this gentle? It has built-in voltage slope */
+	while ((rc = axp209_read(AXP209_DCDC2_VOLTAGE, &current)) == 0 &&
+	       current != cfg) {
+		if (current < cfg)
+			current++;
+		else
+			current--;
+
+		rc = axp209_write(AXP209_DCDC2_VOLTAGE, current);
+		if (rc)
+			break;
+	}
+
+	return rc;
+}
+
+int axp209_set_dcdc3(int mvolt)
+{
+	u8 cfg = axp209_mvolt_to_cfg(mvolt, 700, 3500, 25);
+
+	return axp209_write(AXP209_DCDC3_VOLTAGE, cfg);
+}
+
+int axp209_set_ldo2(int mvolt)
+{
+	int rc;
+	u8 cfg, reg;
+
+	cfg = axp209_mvolt_to_cfg(mvolt, 1800, 3300, 100);
+
+	rc = axp209_read(AXP209_LDO24_VOLTAGE, &reg);
+	if (rc)
+		return rc;
+
+	/* LDO2 configuration is in upper 4 bits */
+	reg = (reg & 0x0f) | (cfg << 4);
+	return axp209_write(AXP209_LDO24_VOLTAGE, reg);
+}
+
+int axp209_set_ldo3(int mvolt)
+{
+	u8 cfg;
+
+	if (mvolt == -1)
+		cfg = 0x80;	/* determined by LDO3IN pin */
+	else
+		cfg = axp209_mvolt_to_cfg(mvolt, 700, 2275, 25);
+
+	return axp209_write(AXP209_LDO3_VOLTAGE, cfg);
+}
+
+int axp209_set_ldo4(int mvolt)
+{
+	int rc;
+	static const int vindex[] = {
+		1250, 1300, 1400, 1500, 1600, 1700, 1800, 1900, 2000, 2500,
+		2700, 2800, 3000, 3100, 3200, 3300
+	};
+	u8 cfg, reg;
+
+	/* Translate mvolt to register cfg value, requested <= selected */
+	for (cfg = 15; vindex[cfg] > mvolt && cfg > 0; cfg--);
+
+	rc = axp209_read(AXP209_LDO24_VOLTAGE, &reg);
+	if (rc)
+		return rc;
+
+	/* LDO4 configuration is in lower 4 bits */
+	reg = (reg & 0xf0) | (cfg << 0);
+	return axp209_write(AXP209_LDO24_VOLTAGE, reg);
+}
+
+int axp209_init(void)
+{
+	u8 ver;
+	int rc;
+
+	rc = axp209_read(AXP209_CHIP_VERSION, &ver);
+	if (rc)
+		return rc;
+
+	/* Low 4 bits is chip version */
+	ver &= 0x0f;
+
+	if (ver != 0x1)
+		return -1;
+
+	return 0;
+}
+
+int axp209_poweron_by_dc(void)
+{
+	u8 v;
+
+	if (axp209_read(AXP209_POWER_STATUS, &v))
+		return 0;
+
+	return (v & AXP209_POWER_STATUS_ON_BY_DC);
+}
+
+int axp209_power_button(void)
+{
+	u8 v;
+
+	if (axp209_read(AXP209_IRQ_STATUS5, &v))
+		return 0;
+
+	axp209_write(AXP209_IRQ_STATUS5, AXP209_IRQ5_PEK_DOWN);
+
+	return v & AXP209_IRQ5_PEK_DOWN;
+}