20 files changed, 368 insertions, 94 deletions

diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h
index 73e036d6fd..fd8cd45b05 100644
--- a/include/asm-generic/global_data.h
+++ b/include/asm-generic/global_data.h
@@ -50,6 +50,7 @@ typedef struct global_data {
 #endif
 	unsigned long env_addr;		/* Address  of Environment struct */
 	unsigned long env_valid;	/* Environment valid? enum env_valid */
+	unsigned long env_has_init;	/* Bitmask of boolean of struct env_location offsets */
 
 	unsigned long ram_top;		/* Top address of RAM used by U-Boot */
 	unsigned long relocaddr;	/* Start address of U-Boot in RAM */
diff --git a/include/configs/bmips_bcm6318.h b/include/configs/bmips_bcm6318.h
new file mode 100644
index 0000000000..454a7b7f7b
--- /dev/null
+++ b/include/configs/bmips_bcm6318.h
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2018 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_BMIPS_BCM6318_H
+#define __CONFIG_BMIPS_BCM6318_H
+
+/* CPU */
+#define CONFIG_SYS_MIPS_TIMER_FREQ	166500000
+
+/* RAM */
+#define CONFIG_NR_DRAM_BANKS		1
+#define CONFIG_SYS_SDRAM_BASE		0x80000000
+
+/* U-Boot */
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_SYS_SDRAM_BASE + 0x100000
+
+#if defined(CONFIG_BMIPS_BOOT_RAM)
+#define CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_SYS_INIT_SP_OFFSET	0x2000
+#endif
+
+#endif /* __CONFIG_BMIPS_BCM6318_H */
diff --git a/include/configs/bmips_bcm6368.h b/include/configs/bmips_bcm6368.h
new file mode 100644
index 0000000000..ce35fae6a0
--- /dev/null
+++ b/include/configs/bmips_bcm6368.h
@@ -0,0 +1,30 @@
+/*
+ * Copyright (C) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __CONFIG_BMIPS_BCM6368_H
+#define __CONFIG_BMIPS_BCM6368_H
+
+/* CPU */
+#define CONFIG_SYS_MIPS_TIMER_FREQ	200000000
+
+/* RAM */
+#define CONFIG_NR_DRAM_BANKS		1
+#define CONFIG_SYS_SDRAM_BASE		0x80000000
+
+/* U-Boot */
+#define CONFIG_SYS_LOAD_ADDR		CONFIG_SYS_SDRAM_BASE + 0x100000
+
+#if defined(CONFIG_BMIPS_BOOT_RAM)
+#define CONFIG_SKIP_LOWLEVEL_INIT
+#define CONFIG_SYS_INIT_SP_OFFSET	0x2000
+#endif
+
+#define CONFIG_SYS_FLASH_BASE			0xb8000000
+#define CONFIG_SYS_FLASH_EMPTY_INFO
+#define CONFIG_SYS_FLASH_PROTECTION
+#define CONFIG_SYS_MAX_FLASH_BANKS_DETECT	1
+
+#endif /* __CONFIG_BMIPS_BCM6368_H */
diff --git a/include/configs/comtrend_ar5315u.h b/include/configs/comtrend_ar5315u.h
new file mode 100644
index 0000000000..3fda2d9b3a
--- /dev/null
+++ b/include/configs/comtrend_ar5315u.h
@@ -0,0 +1,16 @@
+/*
+ * Copyright (C) 2018 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <configs/bmips_common.h>
+#include <configs/bmips_bcm6318.h>
+
+#define CONFIG_REMAKE_ELF
+
+#define CONFIG_ENV_SIZE			(8 * 1024)
+
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_SYS_LONGHELP
diff --git a/include/configs/comtrend_wap5813n.h b/include/configs/comtrend_wap5813n.h
new file mode 100644
index 0000000000..2eafb816c9
--- /dev/null
+++ b/include/configs/comtrend_wap5813n.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright (C) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#include <configs/bmips_common.h>
+#include <configs/bmips_bcm6368.h>
+
+#define CONFIG_REMAKE_ELF
+
+#define CONFIG_ENV_SIZE			(8 * 1024)
+
+#define CONFIG_AUTO_COMPLETE
+#define CONFIG_CMDLINE_EDITING
+#define CONFIG_SYS_LONGHELP
+
+#define CONFIG_SYS_FLASH_CFI		1
+#define CONFIG_FLASH_CFI_DRIVER		1
diff --git a/include/configs/k2g_evm.h b/include/configs/k2g_evm.h
index 4e43104fac..f00ca1c233 100644
--- a/include/configs/k2g_evm.h
+++ b/include/configs/k2g_evm.h
@@ -95,8 +95,6 @@
 #ifndef CONFIG_SPL_BUILD
 #define CONFIG_CADENCE_QSPI
 #define CONFIG_CQSPI_REF_CLK 384000000
-#define CONFIG_CQSPI_DECODER 0x0
-#define CONFIG_BOUNCE_BUFFER
 #endif
 
 #define SPI_MTD_PARTS	KEYSTONE_SPI1_MTD_PARTS
diff --git a/include/configs/socfpga_common.h b/include/configs/socfpga_common.h
index 66e7c4fc8b..d343a6ec0a 100644
--- a/include/configs/socfpga_common.h
+++ b/include/configs/socfpga_common.h
@@ -65,9 +65,6 @@
 #define CONFIG_SYS_HOSTNAME	CONFIG_SYS_BOARD
 #endif
 
-#define CONFIG_CMD_PXE
-#define CONFIG_MENU
-
 /*
  * Cache
  */
@@ -184,8 +181,6 @@ unsigned int cm_get_l4_sp_clk_hz(void);
 unsigned int cm_get_qspi_controller_clk_hz(void);
 #define CONFIG_CQSPI_REF_CLK		cm_get_qspi_controller_clk_hz()
 #endif
-#define CONFIG_CQSPI_DECODER		0
-#define CONFIG_BOUNCE_BUFFER
 
 /*
  * Designware SPI support
@@ -306,6 +301,12 @@ unsigned int cm_get_qspi_controller_clk_hz(void);
 #ifndef CONFIG_SPL_BUILD
 #include <config_distro_defaults.h>
 
+#ifdef CONFIG_CMD_DHCP
+#define BOOT_TARGET_DEVICES_DHCP(func) func(DHCP, dhcp, na)
+#else
+#define BOOT_TARGET_DEVICES_DHCP(func)
+#endif
+
 #ifdef CONFIG_CMD_PXE
 #define BOOT_TARGET_DEVICES_PXE(func) func(PXE, pxe, na)
 #else
@@ -321,7 +322,7 @@ unsigned int cm_get_qspi_controller_clk_hz(void);
 #define BOOT_TARGET_DEVICES(func) \
 	BOOT_TARGET_DEVICES_MMC(func) \
 	BOOT_TARGET_DEVICES_PXE(func) \
-	func(DHCP, dhcp, na)
+	BOOT_TARGET_DEVICES_DHCP(func)
 
 #include <config_distro_bootcmd.h>
 
diff --git a/include/configs/stv0991.h b/include/configs/stv0991.h
index c99fb676cb..beb8f1ae9a 100644
--- a/include/configs/stv0991.h
+++ b/include/configs/stv0991.h
@@ -63,9 +63,7 @@
 + * QSPI support
 + */
 #ifdef CONFIG_OF_CONTROL		/* QSPI is controlled via DT */
-#define CONFIG_CQSPI_DECODER		0
 #define CONFIG_CQSPI_REF_CLK		((30/4)/2)*1000*1000
-#define CONFIG_BOUNCE_BUFFER
 
 #endif
 
diff --git a/include/configs/sunxi-common.h b/include/configs/sunxi-common.h
index 582aba298a..9b3944ad13 100644
--- a/include/configs/sunxi-common.h
+++ b/include/configs/sunxi-common.h
@@ -147,6 +147,16 @@
 #endif
 
 #if defined(CONFIG_ENV_IS_IN_MMC)
+
+#ifdef CONFIG_ARM64
+/*
+ * This is actually (CONFIG_ENV_OFFSET -
+ * (CONFIG_SYS_MMCSD_RAW_MODE_U_BOOT_SECTOR * 512)), but the value will be used
+ * directly in a makefile, without the preprocessor expansion.
+ */
+#define CONFIG_BOARD_SIZE_LIMIT		0x7e000
+#endif
+
 #if CONFIG_MMC_SUNXI_SLOT_EXTRA != -1
 /* If we have two devices (most likely eMMC + MMC), favour the eMMC */
 #define CONFIG_SYS_MMC_ENV_DEV		1
diff --git a/include/dm/read.h b/include/dm/read.h
index 2551e5f0dc..f1f0dfd4a3 100644
--- a/include/dm/read.h
+++ b/include/dm/read.h
@@ -46,6 +46,16 @@ static inline bool dev_of_valid(struct udevice *dev)
 
 #ifndef CONFIG_DM_DEV_READ_INLINE
 /**
+ * dev_read_u32() - read a 32-bit integer from a device's DT property
+ *
+ * @dev:	device to read DT property from
+ * @propname:	name of the property to read from
+ * @outp:	place to put value (if found)
+ * @return 0 if OK, -ve on error
+ */
+int dev_read_u32(struct udevice *dev, const char *propname, u32 *outp);
+
+/**
  * dev_read_u32_default() - read a 32-bit integer from a device's DT property
  *
  * @dev:	device to read DT property from
@@ -424,6 +434,12 @@ int dev_read_resource_byname(struct udevice *dev, const char *name,
 u64 dev_translate_address(struct udevice *dev, const fdt32_t *in_addr);
 #else /* CONFIG_DM_DEV_READ_INLINE is enabled */
 
+static inline int dev_read_u32(struct udevice *dev,
+			       const char *propname, u32 *outp)
+{
+	return ofnode_read_u32(dev_ofnode(dev), propname, outp);
+}
+
 static inline int dev_read_u32_default(struct udevice *dev,
 				       const char *propname, int def)
 {
diff --git a/include/dt-bindings/clock/bcm6318-clock.h b/include/dt-bindings/clock/bcm6318-clock.h
new file mode 100644
index 0000000000..1e3dc16f90
--- /dev/null
+++ b/include/dt-bindings/clock/bcm6318-clock.h
@@ -0,0 +1,37 @@
+/*
+ * Copyright (C) 2018 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * Derived from linux/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __DT_BINDINGS_CLOCK_BCM6318_H
+#define __DT_BINDINGS_CLOCK_BCM6318_H
+
+#define BCM6318_CLK_ADSL_ASB	0
+#define BCM6318_CLK_USB_ASB	1
+#define BCM6318_CLK_MIPS_ASB	2
+#define BCM6318_CLK_PCIE_ASB	3
+#define BCM6318_CLK_PHYMIPS_ASB	4
+#define BCM6318_CLK_ROBOSW_ASB	5
+#define BCM6318_CLK_SAR_ASB	6
+#define BCM6318_CLK_SDR_ASB	7
+#define BCM6318_CLK_SWREG_ASB	8
+#define BCM6318_CLK_PERIPH_ASB	9
+#define BCM6318_CLK_CPUBUS160	10
+#define BCM6318_CLK_ADSL	11
+#define BCM6318_CLK_SAR125	12
+#define BCM6318_CLK_MIPS	13
+#define BCM6318_CLK_PCIE	14
+#define BCM6318_CLK_ROBOSW250	16
+#define BCM6318_CLK_ROBOSW025	17
+#define BCM6318_CLK_SDR		19
+#define BCM6318_CLK_USB		20
+#define BCM6318_CLK_HSSPI	25
+#define BCM6318_CLK_PCIE25	27
+#define BCM6318_CLK_PHYMIPS	28
+#define BCM6318_CLK_AFE		29
+#define BCM6318_CLK_QPROC	30
+
+#endif /* __DT_BINDINGS_CLOCK_BCM6318_H */
diff --git a/include/dt-bindings/clock/bcm6368-clock.h b/include/dt-bindings/clock/bcm6368-clock.h
new file mode 100644
index 0000000000..9d41c0f131
--- /dev/null
+++ b/include/dt-bindings/clock/bcm6368-clock.h
@@ -0,0 +1,31 @@
+/*
+ * Copyright (C) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * Derived from linux/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __DT_BINDINGS_CLOCK_BCM6368_H
+#define __DT_BINDINGS_CLOCK_BCM6368_H
+
+#define BCM6368_CLK_VDSL_QPROC		2
+#define BCM6368_CLK_VDSL_AFE		3
+#define BCM6368_CLK_VDSL_BONDING	4
+#define BCM6368_CLK_VDSL		5
+#define BCM6368_CLK_PHYMIPS		6
+#define BCM6368_CLK_SWPKT_USB		7
+#define BCM6368_CLK_SWPKT_SAR		8
+#define BCM6368_CLK_SPI			9
+#define BCM6368_CLK_USBD		10
+#define BCM6368_CLK_SAR			11
+#define BCM6368_CLK_ROBOSW		12
+#define BCM6368_CLK_UTOPIA		13
+#define BCM6368_CLK_PCM			14
+#define BCM6368_CLK_USBH		15
+#define BCM6368_CLK_GLESS		16
+#define BCM6368_CLK_NAND		17
+#define BCM6368_CLK_IPSEC		18
+#define BCM6368_CLK_USBH_IDDQ		19
+
+#endif /* __DT_BINDINGS_CLOCK_BCM6368_H */
diff --git a/include/dt-bindings/power-domain/bcm6318-power-domain.h b/include/dt-bindings/power-domain/bcm6318-power-domain.h
new file mode 100644
index 0000000000..fb075d2c1c
--- /dev/null
+++ b/include/dt-bindings/power-domain/bcm6318-power-domain.h
@@ -0,0 +1,13 @@
+/*
+ * Copyright (C) 2018 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __DT_BINDINGS_POWER_DOMAIN_BCM6318_H
+#define __DT_BINDINGS_POWER_DOMAIN_BCM6318_H
+
+#define BCM6318_PWR_PCIE	0
+#define BCM6318_PWR_USB		1
+
+#endif /* __DT_BINDINGS_POWER_DOMAIN_BCM6318_H */
diff --git a/include/dt-bindings/reset/bcm6318-reset.h b/include/dt-bindings/reset/bcm6318-reset.h
new file mode 100644
index 0000000000..781d7fbc4d
--- /dev/null
+++ b/include/dt-bindings/reset/bcm6318-reset.h
@@ -0,0 +1,26 @@
+/*
+ * Copyright (C) 2018 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * Derived from linux/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __DT_BINDINGS_RESET_BCM6318_H
+#define __DT_BINDINGS_RESET_BCM6318_H
+
+#define BCM6318_RST_SPI		0
+#define BCM6318_RST_EPHY	1
+#define BCM6318_RST_SAR		2
+#define BCM6318_RST_ENETSW	3
+#define BCM6318_RST_USBD	4
+#define BCM6318_RST_USBH	5
+#define BCM6318_RST_PCIE_CORE	6
+#define BCM6318_RST_PCIE	7
+#define BCM6318_RST_PCIE_EXT	8
+#define BCM6318_RST_PCIE_HARD	9
+#define BCM6318_RST_ADSL	10
+#define BCM6318_RST_PHYMIPS	11
+#define BCM6318_RST_HOSTMIPS	11
+
+#endif /* __DT_BINDINGS_RESET_BCM6318_H */
diff --git a/include/dt-bindings/reset/bcm6368-reset.h b/include/dt-bindings/reset/bcm6368-reset.h
new file mode 100644
index 0000000000..afa6a81d4c
--- /dev/null
+++ b/include/dt-bindings/reset/bcm6368-reset.h
@@ -0,0 +1,22 @@
+/*
+ * Copyright (C) 2017 Álvaro Fernández Rojas <noltari@gmail.com>
+ *
+ * Derived from linux/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+
+#ifndef __DT_BINDINGS_RESET_BCM6368_H
+#define __DT_BINDINGS_RESET_BCM6368_H
+
+#define BCM6368_RST_SPI		0
+#define BCM6368_RST_MPI		3
+#define BCM6368_RST_IPSEC	4
+#define BCM6368_RST_EPHY	6
+#define BCM6368_RST_SAR		7
+#define BCM6368_RST_SWITCH	10
+#define BCM6368_RST_USBD	11
+#define BCM6368_RST_USBH	12
+#define BCM6368_RST_PCM		13
+
+#endif /* __DT_BINDINGS_RESET_BCM6368_H */
diff --git a/include/environment.h b/include/environment.h
index d29f82cb5d..a4060506fa 100644
--- a/include/environment.h
+++ b/include/environment.h
@@ -205,6 +205,14 @@ enum env_location {
 	ENVL_UNKNOWN,
 };
 
+/* value for the various operations we want to perform on the env */
+enum env_operation {
+	ENVOP_GET_CHAR,	/* we want to call the get_char function */
+	ENVOP_INIT,	/* we want to call the init function */
+	ENVOP_LOAD,	/* we want to call the load function */
+	ENVOP_SAVE,	/* we want to call the save function */
+};
+
 struct env_driver {
 	const char *name;
 	enum env_location location;
@@ -293,13 +301,6 @@ int env_import_redund(const char *buf1, const char *buf2);
 #endif
 
 /**
- * env_driver_lookup_default() - Look up the default environment driver
- *
- * @return pointer to driver, or NULL if none (which should not happen)
- */
-struct env_driver *env_driver_lookup_default(void);
-
-/**
  * env_get_char() - Get a character from the early environment
  *
  * This reads from the pre-relocation environemnt
diff --git a/include/power/s2mps11.h b/include/power/s2mps11.h
index 5da47198a4..22b38fff70 100644
--- a/include/power/s2mps11.h
+++ b/include/power/s2mps11.h
@@ -106,4 +106,59 @@ enum s2mps11_reg {
 
 #define S2MPS11_LDO26_ENABLE	0xec
 
+#define S2MPS11_LDO_NUM		26
+#define S2MPS11_BUCK_NUM	10
+
+/* Driver name */
+#define S2MPS11_BUCK_DRIVER	"s2mps11_buck"
+#define S2MPS11_OF_BUCK_PREFIX	"BUCK"
+#define S2MPS11_LDO_DRIVER	"s2mps11_ldo"
+#define S2MPS11_OF_LDO_PREFIX	"LDO"
+
+/* BUCK */
+#define S2MPS11_BUCK_VOLT_MASK	0xff
+#define S2MPS11_BUCK9_VOLT_MASK	0x1f
+
+#define S2MPS11_BUCK_LSTEP	6250
+#define S2MPS11_BUCK_HSTEP	12500
+#define S2MPS11_BUCK9_STEP	25000
+
+#define S2MPS11_BUCK_UV_MIN	600000
+#define S2MPS11_BUCK_UV_HMIN	750000
+#define S2MPS11_BUCK9_UV_MIN	1400000
+
+#define S2MPS11_BUCK_VOLT_MAX_HEX	0xA0
+#define S2MPS11_BUCK5_VOLT_MAX_HEX	0xDF
+#define S2MPS11_BUCK7_8_10_VOLT_MAX_HEX	0xDC
+#define S2MPS11_BUCK9_VOLT_MAX_HEX	0x5F
+
+#define S2MPS11_BUCK_MODE_SHIFT		6
+#define S2MPS11_BUCK_MODE_MASK		(0x3)
+#define S2MPS11_BUCK_MODE_OFF		(0x0 << 6)
+#define S2MPS11_BUCK_MODE_STANDBY	(0x1 << 6)
+#define S2MPS11_BUCK_MODE_ON		(0x3 << 6)
+
+/* LDO */
+#define S2MPS11_LDO_VOLT_MASK		0x3F
+#define S2MPS11_LDO_VOLT_MAX_HEX	0x3F
+
+#define S2MPS11_LDO_STEP	25000
+#define S2MPS11_LDO_UV_MIN	800000
+
+#define S2MPS11_LDO_MODE_MASK		0x3
+#define S2MPS11_LDO_MODE_SHIFT		6
+
+#define S2MPS11_LDO_MODE_OFF		(0x0 << 6)
+#define S2MPS11_LDO_MODE_STANDBY	(0x1 << 6)
+#define S2MPS11_LDO_MODE_STANDBY_LPM	(0x2 << 6)
+#define S2MPS11_LDO_MODE_ON		(0x3 << 6)
+
+enum {
+	OP_OFF = 0,
+	OP_LPM,
+	OP_STANDBY,
+	OP_STANDBY_LPM,
+	OP_ON,
+};
+
 #endif
diff --git a/include/spi.h b/include/spi.h
index 08c7480fda..f5bac8d002 100644
--- a/include/spi.h
+++ b/include/spi.h
@@ -86,8 +86,10 @@ struct dm_spi_slave_platdata {
  * @cs:			ID of the chip select connected to the slave.
  * @mode:		SPI mode to use for this slave (see SPI mode flags)
  * @wordlen:		Size of SPI word in number of bits
+ * @max_read_size:	If non-zero, the maximum number of bytes which can
+ *			be read at once.
  * @max_write_size:	If non-zero, the maximum number of bytes which can
- *			be written at once, excluding command bytes.
+ *			be written at once.
  * @memory_map:		Address of read-only SPI flash access.
  * @flags:		Indication of SPI flags.
  */
@@ -102,6 +104,7 @@ struct spi_slave {
 #endif
 	uint mode;
 	unsigned int wordlen;
+	unsigned int max_read_size;
 	unsigned int max_write_size;
 	void *memory_map;
 
@@ -314,33 +317,6 @@ static inline int spi_w8r8(struct spi_slave *slave, unsigned char byte)
 	return ret < 0 ? ret : din[1];
 }
 
-/**
- * Set up a SPI slave for a particular device tree node
- *
- * This calls spi_setup_slave() with the correct bus number. Call
- * spi_free_slave() to free it later.
- *
- * @param blob:		Device tree blob
- * @param slave_node:	Slave node to use
- * @param spi_node:	SPI peripheral node to use
- * @return pointer to new spi_slave structure
- */
-struct spi_slave *spi_setup_slave_fdt(const void *blob, int slave_node,
-				      int spi_node);
-
-/**
- * spi_base_setup_slave_fdt() - helper function to set up a SPI slace
- *
- * This decodes SPI properties from the slave node to determine the
- * chip select and SPI parameters.
- *
- * @blob:	Device tree blob
- * @busnum:	Bus number to use
- * @node:	Device tree node for the SPI bus
- */
-struct spi_slave *spi_base_setup_slave_fdt(const void *blob, int busnum,
-					   int node);
-
 #ifdef CONFIG_DM_SPI
 
 /**
diff --git a/include/spi_flash.h b/include/spi_flash.h
index be2fe3f84c..f3c4e83424 100644
--- a/include/spi_flash.h
+++ b/include/spi_flash.h
@@ -194,18 +194,6 @@ void sandbox_sf_unbind_emul(struct sandbox_state *state, int busnum, int cs);
 struct spi_flash *spi_flash_probe(unsigned int bus, unsigned int cs,
 		unsigned int max_hz, unsigned int spi_mode);
 
-/**
- * Set up a new SPI flash from an fdt node
- *
- * @param blob		Device tree blob
- * @param slave_node	Pointer to this SPI slave node in the device tree
- * @param spi_node	Cached pointer to the SPI interface this node belongs
- *			to
- * @return 0 if ok, -1 on error
- */
-struct spi_flash *spi_flash_probe_fdt(const void *blob, int slave_node,
-				      int spi_node);
-
 void spi_flash_free(struct spi_flash *flash);
 
 static inline int spi_flash_read(struct spi_flash *flash, u32 offset,
diff --git a/include/wait_bit.h b/include/wait_bit.h
index 06ad43a122..bd021baa48 100644
--- a/include/wait_bit.h
+++ b/include/wait_bit.h
@@ -16,7 +16,7 @@
 #include <asm/io.h>
 
 /**
- * wait_for_bit()	waits for bit set/cleared in register
+ * wait_for_bit_x()	waits for bit set/cleared in register
  *
  * Function polls register waiting for specific bit(s) change
  * (either 0->1 or 1->0). It can fail under two conditions:
@@ -25,49 +25,60 @@
  * Function succeeds only if all bits of masked register are set/cleared
  * (depending on set option).
  *
- * @param prefix	Prefix added to timeout messagge (message visible only
- *			with debug enabled)
- * @param reg		Register that will be read (using readl())
+ * @param reg		Register that will be read (using read_x())
  * @param mask		Bit(s) of register that must be active
  * @param set		Selects wait condition (bit set or clear)
- * @param timeout_ms	Timeout (in miliseconds)
+ * @param timeout_ms	Timeout (in milliseconds)
  * @param breakable	Enables CTRL-C interruption
  * @return		0 on success, -ETIMEDOUT or -EINTR on failure
  */
-static inline int wait_for_bit(const char *prefix, const u32 *reg,
-			       const u32 mask, const bool set,
-			       const unsigned int timeout_ms,
-			       const bool breakable)
-{
-	u32 val;
-	unsigned long start = get_timer(0);
 
-	while (1) {
-		val = readl(reg);
-
-		if (!set)
-			val = ~val;
-
-		if ((val & mask) == mask)
-			return 0;
-
-		if (get_timer(start) > timeout_ms)
-			break;
-
-		if (breakable && ctrlc()) {
-			puts("Abort\n");
-			return -EINTR;
-		}
-
-		udelay(1);
-		WATCHDOG_RESET();
-	}
-
-	debug("%s: Timeout (reg=%p mask=%08x wait_set=%i)\n", prefix, reg, mask,
-	      set);
-
-	return -ETIMEDOUT;
+#define BUILD_WAIT_FOR_BIT(sfx, type, read)				\
+									\
+static inline int wait_for_bit_##sfx(const void *reg,			\
+				     const type mask,			\
+				     const bool set,			\
+				     const unsigned int timeout_ms,	\
+				     const bool breakable)		\
+{									\
+	type val;							\
+	unsigned long start = get_timer(0);				\
+									\
+	while (1) {							\
+		val = read(reg);					\
+									\
+		if (!set)						\
+			val = ~val;					\
+									\
+		if ((val & mask) == mask)				\
+			return 0;					\
+									\
+		if (get_timer(start) > timeout_ms)			\
+			break;						\
+									\
+		if (breakable && ctrlc()) {				\
+			puts("Abort\n");				\
+			return -EINTR;					\
+		}							\
+									\
+		udelay(1);						\
+		WATCHDOG_RESET();					\
+	}								\
+									\
+	debug("%s: Timeout (reg=%p mask=%x wait_set=%i)\n", __func__,	\
+	      reg, mask, set);						\
+									\
+	return -ETIMEDOUT;						\
 }
 
+BUILD_WAIT_FOR_BIT(8, u8, readb)
+BUILD_WAIT_FOR_BIT(le16, u16, readw)
+#ifdef readw_be
+BUILD_WAIT_FOR_BIT(be16, u16, readw_be)
+#endif
+BUILD_WAIT_FOR_BIT(le32, u32, readl)
+#ifdef readl_be
+BUILD_WAIT_FOR_BIT(be32, u32, readl_be)
+#endif
 
 #endif