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

Conflicts:
	drivers/mtd/nand/mxc_nand_spl.c
	include/configs/m28evk.h

6 files changed, 79 insertions, 193 deletions

diff --git a/arch/arm/cpu/armv7/mx5/Makefile b/arch/arm/cpu/armv7/mx5/Makefile
index ecd1184213..e05fae91a1 100644
--- a/arch/arm/cpu/armv7/mx5/Makefile
+++ b/arch/arm/cpu/armv7/mx5/Makefile
@@ -27,7 +27,7 @@ include $(TOPDIR)/config.mk
 
 LIB	= $(obj)lib$(SOC).o
 
-COBJS	= soc.o clock.o iomux.o
+COBJS	= soc.o clock.o
 SOBJS = lowlevel_init.o
 
 SRCS	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
diff --git a/arch/arm/cpu/armv7/mx5/clock.c b/arch/arm/cpu/armv7/mx5/clock.c
index 76c2c529a8..431756ed69 100644
--- a/arch/arm/cpu/armv7/mx5/clock.c
+++ b/arch/arm/cpu/armv7/mx5/clock.c
@@ -739,10 +739,11 @@ static int config_core_clk(u32 ref, u32 freq)
 static int config_nfc_clk(u32 nfc_clk)
 {
 	u32 parent_rate = get_emi_slow_clk();
-	u32 div = parent_rate / nfc_clk;
+	u32 div;
 
-	if (nfc_clk <= 0)
+	if (nfc_clk == 0)
 		return -EINVAL;
+	div = parent_rate / nfc_clk;
 	if (div == 0)
 		div++;
 	if (parent_rate / div > NFC_CLK_MAX)
@@ -755,6 +756,15 @@ static int config_nfc_clk(u32 nfc_clk)
 	return 0;
 }
 
+void enable_nfc_clk(unsigned char enable)
+{
+	unsigned int cg = enable ? MXC_CCM_CCGR_CG_ON : MXC_CCM_CCGR_CG_OFF;
+
+	clrsetbits_le32(&mxc_ccm->CCGR5,
+		MXC_CCM_CCGR5_EMI_ENFC(MXC_CCM_CCGR_CG_MASK),
+		MXC_CCM_CCGR5_EMI_ENFC(cg));
+}
+
 /* Config main_bus_clock for periphs */
 static int config_periph_clk(u32 ref, u32 freq)
 {
diff --git a/arch/arm/cpu/armv7/mx5/iomux.c b/arch/arm/cpu/armv7/mx5/iomux.c
deleted file mode 100644
index d4e3bbb437..0000000000
--- a/arch/arm/cpu/armv7/mx5/iomux.c
+++ /dev/null
@@ -1,186 +0,0 @@
-/*
- * (C) Copyright 2009 Freescale Semiconductor, Inc.
- *
- * 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 <common.h>
-#include <asm/io.h>
-#include <asm/arch/imx-regs.h>
-#include <asm/arch/mx5x_pins.h>
-#include <asm/arch/iomux.h>
-#include <asm/arch/sys_proto.h>
-
-/* IOMUX register (base) addresses */
-enum iomux_reg_addr {
-	IOMUXGPR0 = IOMUXC_BASE_ADDR,
-	IOMUXGPR1 = IOMUXC_BASE_ADDR + 0x004,
-	IOMUXSW_MUX_CTL = IOMUXC_BASE_ADDR,
-	IOMUXSW_MUX_END = IOMUXC_BASE_ADDR + MUX_I_END,
-	IOMUXSW_PAD_CTL = IOMUXC_BASE_ADDR + PAD_I_START,
-	IOMUXSW_INPUT_CTL = IOMUXC_BASE_ADDR + INPUT_CTL_START,
-};
-
-#define MUX_PIN_NUM_MAX (((MUX_I_END - MUX_I_START) >> 2) + 1)
-
-/* Get the iomux register address of this pin */
-static inline u32 get_mux_reg(iomux_pin_name_t pin)
-{
-	u32 mux_reg = PIN_TO_IOMUX_MUX(pin);
-
-#if defined(CONFIG_MX51)
-	if (is_soc_rev(CHIP_REV_2_0) < 0) {
-		/*
-		 * Fixup register address:
-		 * i.MX51 TO1 has offset with the register
-		 * which is define as TO2.
-		 */
-		if ((pin == MX51_PIN_NANDF_RB5) ||
-			(pin == MX51_PIN_NANDF_RB6) ||
-			(pin == MX51_PIN_NANDF_RB7))
-			; /* Do nothing */
-		else if (mux_reg >= 0x2FC)
-			mux_reg += 8;
-		else if (mux_reg >= 0x130)
-			mux_reg += 0xC;
-	}
-#endif
-	mux_reg += IOMUXSW_MUX_CTL;
-	return mux_reg;
-}
-
-/* Get the pad register address of this pin */
-static inline u32 get_pad_reg(iomux_pin_name_t pin)
-{
-	u32 pad_reg = PIN_TO_IOMUX_PAD(pin);
-
-#if defined(CONFIG_MX51)
-	if (is_soc_rev(CHIP_REV_2_0) < 0) {
-		/*
-		 * Fixup register address:
-		 * i.MX51 TO1 has offset with the register
-		 * which is define as TO2.
-		 */
-		if ((pin == MX51_PIN_NANDF_RB5) ||
-			(pin == MX51_PIN_NANDF_RB6) ||
-			(pin == MX51_PIN_NANDF_RB7))
-			; /* Do nothing */
-		else if (pad_reg == 0x4D0 - PAD_I_START)
-			pad_reg += 0x4C;
-		else if (pad_reg == 0x860 - PAD_I_START)
-			pad_reg += 0x9C;
-		else if (pad_reg >= 0x804 - PAD_I_START)
-			pad_reg += 0xB0;
-		else if (pad_reg >= 0x7FC - PAD_I_START)
-			pad_reg += 0xB4;
-		else if (pad_reg >= 0x4E4 - PAD_I_START)
-			pad_reg += 0xCC;
-		else
-			pad_reg += 8;
-	}
-#endif
-	pad_reg += IOMUXSW_PAD_CTL;
-	return pad_reg;
-}
-
-/* Get the last iomux register address */
-static inline u32 get_mux_end(void)
-{
-#if defined(CONFIG_MX51)
-	if (is_soc_rev(CHIP_REV_2_0) < 0)
-		return IOMUXC_BASE_ADDR + (0x3F8 - 4);
-	else
-		return IOMUXC_BASE_ADDR + (0x3F0 - 4);
-#endif
-	return IOMUXSW_MUX_END;
-}
-
-/*
- * This function is used to configure a pin through the IOMUX module.
- * @param  pin		a pin number as defined in iomux_pin_name_t
- * @param  cfg		an output function as defined in iomux_pin_cfg_t
- *
- * @return 		0 if successful; Non-zero otherwise
- */
-static void iomux_config_mux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
-{
-	u32 mux_reg = get_mux_reg(pin);
-
-	if ((mux_reg > get_mux_end()) || (mux_reg < IOMUXSW_MUX_CTL))
-		return ;
-	if (cfg == IOMUX_CONFIG_GPIO)
-		writel(PIN_TO_ALT_GPIO(pin), mux_reg);
-	else
-		writel(cfg, mux_reg);
-}
-
-/*
- * Request ownership for an IO pin. This function has to be the first one
- * being called before that pin is used. The caller has to check the
- * return value to make sure it returns 0.
- *
- * @param  pin		a name defined by iomux_pin_name_t
- * @param  cfg		an input function as defined in iomux_pin_cfg_t
- *
- */
-void mxc_request_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
-{
-	iomux_config_mux(pin, cfg);
-}
-
-/*
- * Release ownership for an IO pin
- *
- * @param  pin		a name defined by iomux_pin_name_t
- * @param  cfg		an input function as defined in iomux_pin_cfg_t
- */
-void mxc_free_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg)
-{
-}
-
-/*
- * This function configures the pad value for a IOMUX pin.
- *
- * @param  pin     a pin number as defined in iomux_pin_name_t
- * @param  config  the ORed value of elements defined in iomux_pad_config_t
- */
-void mxc_iomux_set_pad(iomux_pin_name_t pin, u32 config)
-{
-	u32 pad_reg = get_pad_reg(pin);
-	writel(config, pad_reg);
-}
-
-unsigned int mxc_iomux_get_pad(iomux_pin_name_t pin)
-{
-	u32 pad_reg = get_pad_reg(pin);
-	return readl(pad_reg);
-}
-
-/*
- * This function configures daisy-chain
- *
- * @param input    index of input select register
- * @param config   the binary value of elements
- */
-void mxc_iomux_set_input(iomux_input_select_t input, u32 config)
-{
-	u32 reg = IOMUXSW_INPUT_CTL + (input << 2);
-
-	writel(config, reg);
-}
diff --git a/arch/arm/cpu/armv7/mx5/soc.c b/arch/arm/cpu/armv7/mx5/soc.c
index 263658aa4b..3d50a5d8ee 100644
--- a/arch/arm/cpu/armv7/mx5/soc.c
+++ b/arch/arm/cpu/armv7/mx5/soc.c
@@ -72,6 +72,13 @@ u32 get_cpu_rev(void)
 	return system_rev;
 }
 
+#ifdef CONFIG_REVISION_TAG
+u32 __weak get_board_rev(void)
+{
+	return get_cpu_rev();
+}
+#endif
+
 #ifndef CONFIG_SYS_DCACHE_OFF
 void enable_caches(void)
 {
diff --git a/arch/arm/cpu/armv7/mx6/clock.c b/arch/arm/cpu/armv7/mx6/clock.c
index a50db70b19..3c0d908d17 100644
--- a/arch/arm/cpu/armv7/mx6/clock.c
+++ b/arch/arm/cpu/armv7/mx6/clock.c
@@ -37,6 +37,20 @@ enum pll_clocks {
 
 struct mxc_ccm_reg *imx_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
 
+#ifdef CONFIG_MXC_OCOTP
+void enable_ocotp_clk(unsigned char enable)
+{
+	u32 reg;
+
+	reg = __raw_readl(&imx_ccm->CCGR2);
+	if (enable)
+		reg |= MXC_CCM_CCGR2_OCOTP_CTRL_MASK;
+	else
+		reg &= ~MXC_CCM_CCGR2_OCOTP_CTRL_MASK;
+	__raw_writel(reg, &imx_ccm->CCGR2);
+}
+#endif
+
 void enable_usboh3_clk(unsigned char enable)
 {
 	u32 reg;
@@ -186,12 +200,16 @@ static u32 get_ipg_per_clk(void)
 static u32 get_uart_clk(void)
 {
 	u32 reg, uart_podf;
-
+	u32 freq = PLL3_80M;
 	reg = __raw_readl(&imx_ccm->cscdr1);
+#ifdef CONFIG_MX6SL
+	if (reg & MXC_CCM_CSCDR1_UART_CLK_SEL)
+		freq = MXC_HCLK;
+#endif
 	reg &= MXC_CCM_CSCDR1_UART_CLK_PODF_MASK;
 	uart_podf = reg >> MXC_CCM_CSCDR1_UART_CLK_PODF_OFFSET;
 
-	return PLL3_80M / (uart_podf + 1);
+	return freq / (uart_podf + 1);
 }
 
 static u32 get_cspi_clk(void)
@@ -252,6 +270,35 @@ static u32 get_emi_slow_clk(void)
 	return root_freq / (emi_slow_pof + 1);
 }
 
+#ifdef CONFIG_MX6SL
+static u32 get_mmdc_ch0_clk(void)
+{
+	u32 cbcmr = __raw_readl(&imx_ccm->cbcmr);
+	u32 cbcdr = __raw_readl(&imx_ccm->cbcdr);
+	u32 freq, podf;
+
+	podf = (cbcdr & MXC_CCM_CBCDR_MMDC_CH1_PODF_MASK) \
+			>> MXC_CCM_CBCDR_MMDC_CH1_PODF_OFFSET;
+
+	switch ((cbcmr & MXC_CCM_CBCMR_PRE_PERIPH2_CLK_SEL_MASK) >>
+		MXC_CCM_CBCMR_PRE_PERIPH2_CLK_SEL_OFFSET) {
+	case 0:
+		freq = decode_pll(PLL_BUS, MXC_HCLK);
+		break;
+	case 1:
+		freq = PLL2_PFD2_FREQ;
+		break;
+	case 2:
+		freq = PLL2_PFD0_FREQ;
+		break;
+	case 3:
+		freq = PLL2_PFD2_DIV_FREQ;
+	}
+
+	return freq / (podf + 1);
+
+}
+#else
 static u32 get_mmdc_ch0_clk(void)
 {
 	u32 cbcdr = __raw_readl(&imx_ccm->cbcdr);
@@ -260,6 +307,7 @@ static u32 get_mmdc_ch0_clk(void)
 
 	return get_periph_clk() / (mmdc_ch0_podf + 1);
 }
+#endif
 
 static u32 get_usdhc_clk(u32 port)
 {
diff --git a/arch/arm/cpu/armv7/mx6/soc.c b/arch/arm/cpu/armv7/mx6/soc.c
index 2ea8ca3bd3..fc436fbee7 100644
--- a/arch/arm/cpu/armv7/mx6/soc.c
+++ b/arch/arm/cpu/armv7/mx6/soc.c
@@ -30,6 +30,7 @@
 #include <asm/arch/clock.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/imx-common/boot_mode.h>
+#include <asm/imx-common/dma.h>
 #include <stdbool.h>
 
 struct scu_regs {
@@ -151,6 +152,12 @@ int arch_cpu_init(void)
 	set_vddsoc(1200);	/* Set VDDSOC to 1.2V */
 
 	imx_set_wdog_powerdown(false); /* Disable PDE bit of WMCR register */
+
+#ifdef CONFIG_APBH_DMA
+	/* Start APBH DMA */
+	mxs_dma_init();
+#endif
+
 	return 0;
 }
 
@@ -165,8 +172,8 @@ void enable_caches(void)
 #if defined(CONFIG_FEC_MXC)
 void imx_get_mac_from_fuse(int dev_id, unsigned char *mac)
 {
-	struct iim_regs *iim = (struct iim_regs *)IMX_IIM_BASE;
-	struct fuse_bank *bank = &iim->bank[4];
+	struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR;
+	struct fuse_bank *bank = &ocotp->bank[4];
 	struct fuse_bank4_regs *fuse =
 			(struct fuse_bank4_regs *)bank->fuse_regs;