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-rw-r--r--include/bios_emul.h19
-rw-r--r--include/common.h3
-rw-r--r--include/configs/T4240RDB.h10
-rw-r--r--include/configs/imx6_spl.h1
-rw-r--r--include/configs/mx6_common.h2
-rw-r--r--include/configs/mx6ul_14x14_evk.h3
-rw-r--r--include/configs/mx7_common.h2
-rw-r--r--include/configs/mx7dsabresd.h25
-rw-r--r--include/configs/omap3_igep00x0.h2
-rw-r--r--include/configs/omap3_logic.h3
-rw-r--r--include/configs/qemu-x86.h1
-rw-r--r--include/configs/rpi-common.h6
-rw-r--r--include/dm/uclass-id.h3
-rw-r--r--include/fdtdec.h1
-rw-r--r--include/linux/bug.h55
-rw-r--r--include/part.h2
-rw-r--r--include/pch.h78
-rw-r--r--include/pci.h17
-rw-r--r--include/syscon.h14
-rw-r--r--include/usb_ether.h6
-rw-r--r--include/wait_bit.h71
21 files changed, 310 insertions, 14 deletions
diff --git a/include/bios_emul.h b/include/bios_emul.h
index 80979ed..7571263 100644
--- a/include/bios_emul.h
+++ b/include/bios_emul.h
@@ -31,7 +31,11 @@ typedef struct {
int bus;
u32 VendorID;
u32 DeviceID;
+#ifdef CONFIG_DM_PCI
+ struct udevice *pcidev;
+#else
pci_dev_t pcidev;
+#endif
void *BIOSImage;
u32 BIOSImageLen;
u8 LowMem[1536];
@@ -39,7 +43,12 @@ typedef struct {
struct vbe_mode_info;
-int BootVideoCardBIOS(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo, int cleanUp);
+#ifdef CONFIG_DM_PCI
+int BootVideoCardBIOS(struct udevice *pcidev, BE_VGAInfo **pVGAInfo,
+ int clean_up);
+#else
+int BootVideoCardBIOS(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo, int clean_up);
+#endif
/* Run a BIOS ROM natively (only supported on x86 machines) */
void bios_run_on_x86(struct udevice *dev, unsigned long addr, int vesa_mode,
@@ -57,10 +66,18 @@ void bios_set_interrupt_handler(int intnum, int (*int_handler_func)(void));
void biosemu_set_interrupt_handler(int intnum, int (*int_func)(void));
+#ifdef CONFIG_DM_PCI
+int biosemu_setup(struct udevice *pcidev, BE_VGAInfo **pVGAInfo);
+
+int biosemu_run(struct udevice *dev, uchar *bios_rom, int bios_len,
+ BE_VGAInfo *vga_info, int clean_up, int vesa_mode,
+ struct vbe_mode_info *mode_info);
+#else
int biosemu_setup(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo);
int biosemu_run(pci_dev_t pcidev, uchar *bios_rom, int bios_len,
BE_VGAInfo *vga_info, int clean_up, int vesa_mode,
struct vbe_mode_info *mode_info);
+#endif
#endif
diff --git a/include/common.h b/include/common.h
index 7bed0cc..1563d64 100644
--- a/include/common.h
+++ b/include/common.h
@@ -146,9 +146,6 @@ void __assert_fail(const char *assertion, const char *file, unsigned line,
#define BUG_ON(condition) do { if (unlikely((condition)!=0)) BUG(); } while(0)
#endif /* BUG */
-/* Force a compilation error if condition is true */
-#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
-
typedef void (interrupt_handler_t)(void *);
#include <asm/u-boot.h> /* boot information for Linux kernel */
diff --git a/include/configs/T4240RDB.h b/include/configs/T4240RDB.h
index 73279c8..4a17f41 100644
--- a/include/configs/T4240RDB.h
+++ b/include/configs/T4240RDB.h
@@ -606,6 +606,16 @@ unsigned long get_board_ddr_clk(void);
#define I2C_VOL_MONITOR_BUS_V_OVF 0x1
#define I2C_VOL_MONITOR_BUS_V_SHIFT 3
+#define CONFIG_VID_FLS_ENV "t4240rdb_vdd_mv"
+#ifndef CONFIG_SPL_BUILD
+#define CONFIG_VID
+#endif
+#define CONFIG_VOL_MONITOR_IR36021_SET
+#define CONFIG_VOL_MONITOR_IR36021_READ
+/* The lowest and highest voltage allowed for T4240RDB */
+#define VDD_MV_MIN 819
+#define VDD_MV_MAX 1212
+
/*
* eSPI - Enhanced SPI
*/
diff --git a/include/configs/imx6_spl.h b/include/configs/imx6_spl.h
index 43ce7fe..68d3fd7 100644
--- a/include/configs/imx6_spl.h
+++ b/include/configs/imx6_spl.h
@@ -34,6 +34,7 @@
#define CONFIG_SPL_SERIAL_SUPPORT
#define CONFIG_SPL_I2C_SUPPORT
#define CONFIG_SPL_GPIO_SUPPORT
+#define CONFIG_SPL_WATCHDOG_SUPPORT
/* NAND support */
#if defined(CONFIG_SPL_NAND_SUPPORT)
diff --git a/include/configs/mx6_common.h b/include/configs/mx6_common.h
index 174ea08..179b4f9 100644
--- a/include/configs/mx6_common.h
+++ b/include/configs/mx6_common.h
@@ -25,6 +25,8 @@
#define CONFIG_SYS_NO_FLASH
+#define CONFIG_SYS_BOOTM_LEN 0x1000000
+
#include <linux/sizes.h>
#include <asm/arch/imx-regs.h>
#include <asm/imx-common/gpio.h>
diff --git a/include/configs/mx6ul_14x14_evk.h b/include/configs/mx6ul_14x14_evk.h
index c946176..4374c3a 100644
--- a/include/configs/mx6ul_14x14_evk.h
+++ b/include/configs/mx6ul_14x14_evk.h
@@ -156,7 +156,7 @@
/* Miscellaneous configurable options */
#define CONFIG_CMD_MEMTEST
#define CONFIG_SYS_MEMTEST_START 0x80000000
-#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x10000000)
+#define CONFIG_SYS_MEMTEST_END (CONFIG_SYS_MEMTEST_START + 0x8000000)
#define CONFIG_SYS_LOAD_ADDR CONFIG_LOADADDR
#define CONFIG_SYS_HZ 1000
@@ -203,6 +203,7 @@
#define CONFIG_SF_DEFAULT_CS 0
#define CONFIG_SF_DEFAULT_SPEED 40000000
#define CONFIG_SF_DEFAULT_MODE SPI_MODE_0
+#define CONFIG_SPI_FLASH_STMICRO
#define FSL_QSPI_FLASH_NUM 1
#define FSL_QSPI_FLASH_SIZE SZ_32M
#endif
diff --git a/include/configs/mx7_common.h b/include/configs/mx7_common.h
index d507fb4..fac7c3f 100644
--- a/include/configs/mx7_common.h
+++ b/include/configs/mx7_common.h
@@ -23,6 +23,8 @@
#define CONFIG_SC_TIMER_CLK 8000000 /* 8Mhz */
#define CONFIG_SYS_FSL_CLK
+#define CONFIG_SYS_BOOTM_LEN 0x1000000
+
/* Enable iomux-lpsr support */
#define CONFIG_IOMUX_LPSR
#define CONFIG_IMX_FIXED_IVT_OFFSET
diff --git a/include/configs/mx7dsabresd.h b/include/configs/mx7dsabresd.h
index 22e515c..d23e4f3 100644
--- a/include/configs/mx7dsabresd.h
+++ b/include/configs/mx7dsabresd.h
@@ -179,8 +179,33 @@
#define CONFIG_SYS_NO_FLASH
#define CONFIG_ENV_SIZE SZ_8K
#define CONFIG_ENV_IS_IN_MMC
+
+/*
+ * If want to use nand, define CONFIG_NAND_MXS and rework board
+ * to support nand, since emmc has pin conflicts with nand
+ */
+#ifdef CONFIG_NAND_MXS
+#define CONFIG_CMD_NAND
+#define CONFIG_CMD_NAND_TRIMFFS
+
+/* NAND stuff */
+#define CONFIG_SYS_MAX_NAND_DEVICE 1
+#define CONFIG_SYS_NAND_BASE 0x40000000
+#define CONFIG_SYS_NAND_5_ADDR_CYCLE
+#define CONFIG_SYS_NAND_ONFI_DETECTION
+
+/* DMA stuff, needed for GPMI/MXS NAND support */
+#define CONFIG_APBH_DMA
+#define CONFIG_APBH_DMA_BURST
+#define CONFIG_APBH_DMA_BURST8
+#endif
+
#define CONFIG_ENV_OFFSET (8 * SZ_64K)
+#ifdef CONFIG_NAND_MXS
+#define CONFIG_SYS_FSL_USDHC_NUM 1
+#else
#define CONFIG_SYS_FSL_USDHC_NUM 2
+#endif
#define CONFIG_SYS_MMC_ENV_DEV 0 /* USDHC1 */
#define CONFIG_SYS_MMC_ENV_PART 0 /* user area */
diff --git a/include/configs/omap3_igep00x0.h b/include/configs/omap3_igep00x0.h
index 5da6cfd..5e33845 100644
--- a/include/configs/omap3_igep00x0.h
+++ b/include/configs/omap3_igep00x0.h
@@ -19,8 +19,6 @@
#include <configs/ti_omap3_common.h>
#include <asm/mach-types.h>
-#undef CONFIG_BOOTDELAY
-
/*
* Display CPU and Board information
*/
diff --git a/include/configs/omap3_logic.h b/include/configs/omap3_logic.h
index 7b60f29..e9ce3f6 100644
--- a/include/configs/omap3_logic.h
+++ b/include/configs/omap3_logic.h
@@ -50,6 +50,9 @@
* Hardware drivers
*/
+/* GPIO banks */
+#define CONFIG_OMAP3_GPIO_6 /* GPIO160..191 is in GPIO bank 6 */
+
/*
* select serial console configuration
*/
diff --git a/include/configs/qemu-x86.h b/include/configs/qemu-x86.h
index 4258dcb..b0d2ffe 100644
--- a/include/configs/qemu-x86.h
+++ b/include/configs/qemu-x86.h
@@ -14,7 +14,6 @@
#include <configs/x86-common.h>
#define CONFIG_SYS_MONITOR_LEN (1 << 20)
-#define CONFIG_ARCH_MISC_INIT
#define CONFIG_ARCH_EARLY_INIT_R
#define CONFIG_PCI_PNP
diff --git a/include/configs/rpi-common.h b/include/configs/rpi-common.h
index 1b83eb3..927bae7 100644
--- a/include/configs/rpi-common.h
+++ b/include/configs/rpi-common.h
@@ -88,6 +88,9 @@
#define CONFIG_USB_HOST_ETHER
#define CONFIG_USB_ETHER_SMSC95XX
#define CONFIG_MISC_INIT_R
+#define CONFIG_USB_KEYBOARD
+#define CONFIG_SYS_USB_EVENT_POLL
+#define CONFIG_SYS_STDIO_DEREGISTER
#endif
/* Console UART */
@@ -111,6 +114,7 @@
#define CONFIG_SYS_LOAD_ADDR 0x1000000
#define CONFIG_CONSOLE_MUX
#define CONFIG_SYS_CONSOLE_IS_IN_ENV
+#define CONFIG_PREBOOT "usb start"
/* Shell */
#define CONFIG_SYS_MAXARGS 8
@@ -133,7 +137,7 @@
/* Environment */
#define CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
#define ENV_DEVICE_SETTINGS \
- "stdin=serial,lcd\0" \
+ "stdin=serial,usbkbd\0" \
"stdout=serial,lcd\0" \
"stderr=serial,lcd\0"
diff --git a/include/dm/uclass-id.h b/include/dm/uclass-id.h
index 8391e38..73cd3ac 100644
--- a/include/dm/uclass-id.h
+++ b/include/dm/uclass-id.h
@@ -29,6 +29,7 @@ enum uclass_id {
UCLASS_CLK, /* Clock source, e.g. used by peripherals */
UCLASS_CPU, /* CPU, typically part of an SoC */
UCLASS_CROS_EC, /* Chrome OS EC */
+ UCLASS_DISK, /* Disk controller, e.g. SATA */
UCLASS_DISPLAY, /* Display (e.g. DisplayPort, HDMI) */
UCLASS_RAM, /* RAM controller */
UCLASS_ETH, /* Ethernet device */
@@ -37,6 +38,7 @@ enum uclass_id {
UCLASS_I2C_EEPROM, /* I2C EEPROM device */
UCLASS_I2C_GENERIC, /* Generic I2C device */
UCLASS_I2C_MUX, /* I2C multiplexer */
+ UCLASS_IRQ, /* Interrupt controller */
UCLASS_KEYBOARD, /* Keyboard input device */
UCLASS_LED, /* Light-emitting diode (LED) */
UCLASS_LPC, /* x86 'low pin count' interface */
@@ -45,6 +47,7 @@ enum uclass_id {
UCLASS_MMC, /* SD / MMC card or chip */
UCLASS_MOD_EXP, /* RSA Mod Exp device */
UCLASS_MTD, /* Memory Technology Device (MTD) device */
+ UCLASS_NORTHBRIDGE, /* Intel Northbridge / SDRAM controller */
UCLASS_PANEL, /* Display panel, such as an LCD */
UCLASS_PANEL_BACKLIGHT, /* Backlight controller for panel */
UCLASS_PCH, /* x86 platform controller hub */
diff --git a/include/fdtdec.h b/include/fdtdec.h
index 25e98c9..dd82916 100644
--- a/include/fdtdec.h
+++ b/include/fdtdec.h
@@ -163,7 +163,6 @@ enum fdt_compat_id {
COMPAT_INTEL_X86_PINCTRL, /* Intel ICH7/9 pin control */
COMPAT_SOCIONEXT_XHCI, /* Socionext UniPhier xHCI */
COMPAT_INTEL_PCH, /* Intel PCH */
- COMPAT_INTEL_IRQ_ROUTER, /* Intel Interrupt Router */
COMPAT_ALTERA_SOCFPGA_DWMAC, /* SoCFPGA Ethernet controller */
COMPAT_ALTERA_SOCFPGA_DWMMC, /* SoCFPGA DWMMC controller */
COMPAT_ALTERA_SOCFPGA_DWC2USB, /* SoCFPGA DWC2 USB controller */
diff --git a/include/linux/bug.h b/include/linux/bug.h
new file mode 100644
index 0000000..920e379
--- /dev/null
+++ b/include/linux/bug.h
@@ -0,0 +1,55 @@
+#ifndef _LINUX_BUG_H
+#define _LINUX_BUG_H
+
+#include <linux/compiler.h>
+
+#ifdef __CHECKER__
+#define BUILD_BUG_ON_NOT_POWER_OF_2(n) (0)
+#define BUILD_BUG_ON_ZERO(e) (0)
+#define BUILD_BUG_ON_NULL(e) ((void*)0)
+#define BUILD_BUG_ON_INVALID(e) (0)
+#define BUILD_BUG_ON(condition) (0)
+#define BUILD_BUG() (0)
+#else /* __CHECKER__ */
+
+/* Force a compilation error if a constant expression is not a power of 2 */
+#define BUILD_BUG_ON_NOT_POWER_OF_2(n) \
+ BUILD_BUG_ON((n) == 0 || (((n) & ((n) - 1)) != 0))
+
+/* Force a compilation error if condition is true, but also produce a
+ result (of value 0 and type size_t), so the expression can be used
+ e.g. in a structure initializer (or where-ever else comma expressions
+ aren't permitted). */
+#define BUILD_BUG_ON_ZERO(e) (sizeof(struct { int:-!!(e); }))
+#define BUILD_BUG_ON_NULL(e) ((void *)sizeof(struct { int:-!!(e); }))
+
+/*
+ * BUILD_BUG_ON_INVALID() permits the compiler to check the validity of the
+ * expression but avoids the generation of any code, even if that expression
+ * has side-effects.
+ */
+#define BUILD_BUG_ON_INVALID(e) ((void)(sizeof((__force long)(e))))
+
+/**
+ * BUILD_BUG_ON - break compile if a condition is true.
+ * @condition: the condition which the compiler should know is false.
+ *
+ * If you have some code which relies on certain constants being equal, or
+ * some other compile-time-evaluated condition, you should use BUILD_BUG_ON to
+ * detect if someone changes it.
+ *
+ * The implementation uses gcc's reluctance to create a negative array, but gcc
+ * (as of 4.4) only emits that error for obvious cases (e.g. not arguments to
+ * inline functions). Luckily, in 4.3 they added the "error" function
+ * attribute just for this type of case. Thus, we use a negative sized array
+ * (should always create an error on gcc versions older than 4.4) and then call
+ * an undefined function with the error attribute (should always create an
+ * error on gcc 4.3 and later). If for some reason, neither creates a
+ * compile-time error, we'll still have a link-time error, which is harder to
+ * track down.
+ */
+#define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
+
+#endif /* __CHECKER__ */
+
+#endif /* _LINUX_BUG_H */
diff --git a/include/part.h b/include/part.h
index 4d00e22..dc23949 100644
--- a/include/part.h
+++ b/include/part.h
@@ -10,8 +10,6 @@
#include <ide.h>
#include <common.h>
-typedef struct block_dev_desc block_dev_desc_t;
-
struct block_dev_desc {
int if_type; /* type of the interface */
int dev; /* device number */
diff --git a/include/pch.h b/include/pch.h
new file mode 100644
index 0000000..79f49bd
--- /dev/null
+++ b/include/pch.h
@@ -0,0 +1,78 @@
+/*
+ * Copyright (c) 2015 Google, Inc
+ * Written by Simon Glass <sjg@chromium.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __pch_h
+#define __pch_h
+
+enum pch_version {
+ PCHV_UNKNOWN,
+ PCHV_7,
+ PCHV_9,
+};
+
+#define PCH_RCBA 0xf0
+
+#define BIOS_CTRL_BIOSWE BIT(0)
+
+/* Operations for the Platform Controller Hub */
+struct pch_ops {
+ /**
+ * get_sbase() - get the address of SPI base
+ *
+ * @dev: PCH device to check
+ * @sbasep: Returns address of SPI base if available, else 0
+ * @return 0 if OK, -ve on error (e.g. there is no SPI base)
+ */
+ int (*get_sbase)(struct udevice *dev, ulong *sbasep);
+
+ /**
+ * get_version() - get the PCH version
+ *
+ * @return version, or -ENOSYS if unknown
+ */
+ enum pch_version (*get_version)(struct udevice *dev);
+
+ /**
+ * set_spi_protect() - set whether SPI flash is protected or not
+ *
+ * @dev: PCH device to adjust
+ * @protect: true to protect, false to unprotect
+ *
+ * @return 0 on success, -ENOSYS if not implemented
+ */
+ int (*set_spi_protect)(struct udevice *dev, bool protect);
+};
+
+#define pch_get_ops(dev) ((struct pch_ops *)(dev)->driver->ops)
+
+/**
+ * pch_get_sbase() - get the address of SPI base
+ *
+ * @dev: PCH device to check
+ * @sbasep: Returns address of SPI base if available, else 0
+ * @return 0 if OK, -ve on error (e.g. there is no SPI base)
+ */
+int pch_get_sbase(struct udevice *dev, ulong *sbasep);
+
+/**
+ * pch_get_version() - get the PCH version
+ *
+ * @return version, or -ENOSYS if unknown
+ */
+enum pch_version pch_get_version(struct udevice *dev);
+
+/**
+ * set_spi_protect() - set whether SPI flash is protected or not
+ *
+ * @dev: PCH device to adjust
+ * @protect: true to protect, false to unprotect
+ *
+ * @return 0 on success, -ENOSYS if not implemented
+ */
+int pch_set_spi_protect(struct udevice *dev, bool protect);
+
+#endif
diff --git a/include/pci.h b/include/pci.h
index cb2562f..d0d152c 100644
--- a/include/pci.h
+++ b/include/pci.h
@@ -757,7 +757,9 @@ extern void pci_mpc85xx_init (struct pci_controller *hose);
/**
* pci_write_bar32() - Write the address of a BAR including control bits
*
- * This writes a raw address (with control bits) to a bar
+ * This writes a raw address (with control bits) to a bar. This can be used
+ * with devices which require hard-coded addresses, not part of the normal
+ * PCI enumeration process.
*
* @hose: PCI hose to use
* @dev: PCI device to update
@@ -765,7 +767,7 @@ extern void pci_mpc85xx_init (struct pci_controller *hose);
* @addr: BAR address with control bits
*/
void pci_write_bar32(struct pci_controller *hose, pci_dev_t dev, int barnum,
- u32 addr_and_ctrl);
+ u32 addr);
/**
* pci_read_bar32() - read the address of a bar
@@ -1167,6 +1169,17 @@ int pci_get_regions(struct udevice *dev, struct pci_region **iop,
struct pci_region **memp, struct pci_region **prefp);
/**
+ * dm_pci_write_bar32() - Write the address of a BAR
+ *
+ * This writes a raw address to a bar
+ *
+ * @dev: PCI device to update
+ * @barnum: BAR number (0-5)
+ * @addr: BAR address
+ */
+void dm_pci_write_bar32(struct udevice *dev, int barnum, u32 addr);
+
+/**
* dm_pci_read_bar32() - read a base address register from a device
*
* @dev: Device to check
diff --git a/include/syscon.h b/include/syscon.h
index c62ccd6..4593b6e 100644
--- a/include/syscon.h
+++ b/include/syscon.h
@@ -37,6 +37,20 @@ struct regmap *syscon_get_regmap(struct udevice *dev);
*
* Each system controller can be accessed by its driver data, which is
* assumed to be unique through the scope of all system controllers that
+ * are in use. This function looks up the controller given this driver data.
+ *
+ * @driver_data: Driver data value to look up
+ * @devp: Returns the controller correponding to @driver_data
+ * @return 0 on success, -ENODEV if the ID was not found, or other -ve error
+ * code
+ */
+int syscon_get_by_driver_data(ulong driver_data, struct udevice **devp);
+
+/**
+ * syscon_get_regmap_by_driver_data() - Look up a controller by its ID
+ *
+ * Each system controller can be accessed by its driver data, which is
+ * assumed to be unique through the scope of all system controllers that
* are in use. This function looks up the regmap given this driver data.
*
* @driver_data: Driver data value to look up
diff --git a/include/usb_ether.h b/include/usb_ether.h
index c6d1416..51fce4e 100644
--- a/include/usb_ether.h
+++ b/include/usb_ether.h
@@ -131,6 +131,12 @@ int smsc95xx_eth_probe(struct usb_device *dev, unsigned int ifnum,
struct ueth_data *ss);
int smsc95xx_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
struct eth_device *eth);
+
+void r8152_eth_before_probe(void);
+int r8152_eth_probe(struct usb_device *dev, unsigned int ifnum,
+ struct ueth_data *ss);
+int r8152_eth_get_info(struct usb_device *dev, struct ueth_data *ss,
+ struct eth_device *eth);
#endif
#endif /* __USB_ETHER_H__ */
diff --git a/include/wait_bit.h b/include/wait_bit.h
new file mode 100644
index 0000000..061a2db
--- /dev/null
+++ b/include/wait_bit.h
@@ -0,0 +1,71 @@
+/*
+ * Wait for bit with timeout and ctrlc
+ *
+ * (C) Copyright 2015 Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef __WAIT_BIT_H
+#define __WAIT_BIT_H
+
+#include <common.h>
+#include <console.h>
+#include <asm/errno.h>
+#include <asm/io.h>
+
+/**
+ * wait_for_bit() 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:
+ * - Timeout
+ * - User interaction (CTRL-C)
+ * 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 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 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);
+ }
+
+ debug("%s: Timeout (reg=%p mask=%08x wait_set=%i)\n", prefix, reg, mask,
+ set);
+
+ return -ETIMEDOUT;
+}
+
+
+#endif
generated by cgit v1.1 at 2024-09-15 10:13:21 +0000