diff options
Diffstat (limited to 'include')
35 files changed, 1222 insertions, 78 deletions
diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h index db0550b67c..7ef3e259b4 100644 --- a/include/asm-generic/global_data.h +++ b/include/asm-generic/global_data.h @@ -116,5 +116,6 @@ typedef struct global_data { #define GD_FLG_ENV_READY 0x00080 /* Env. imported into hash table */ #define GD_FLG_SERIAL_READY 0x00100 /* Pre-reloc serial console ready */ #define GD_FLG_FULL_MALLOC_INIT 0x00200 /* Full malloc() is ready */ +#define GD_FLG_SPL_INIT 0x00400 /* spl_init() has been called */ #endif /* __ASM_GENERIC_GBL_DATA_H */ diff --git a/include/asm-generic/gpio.h b/include/asm-generic/gpio.h index de91e57efc..0af599f86d 100644 --- a/include/asm-generic/gpio.h +++ b/include/asm-generic/gpio.h @@ -322,6 +322,19 @@ struct gpio_dev_priv { const char *gpio_get_bank_info(struct udevice *dev, int *offset_count); /** + * dm_gpio_lookup_name() - Look up a named GPIO and return its description + * + * The name of a GPIO is typically its bank name followed by a number from 0. + * For example A0 is the first GPIO in bank A. Each bank is a separate driver + * model device. + * + * @name: Name to look up + * @desc: Returns description, on success + * @return 0 if OK, -ve on error + */ +int dm_gpio_lookup_name(const char *name, struct gpio_desc *desc); + +/** * gpio_lookup_name - Look up a GPIO name and return its details * * This is used to convert a named GPIO into a device, offset and GPIO @@ -421,6 +434,18 @@ int gpio_request_list_by_name(struct udevice *dev, const char *list_name, int flags); /** + * dm_gpio_request() - manually request a GPIO + * + * Note: This function should only be used for testing / debugging. Instead. + * use gpio_request_by_name() to pull GPIOs from the device tree. + * + * @desc: GPIO description of GPIO to request (see dm_gpio_lookup_name()) + * @label: Label to attach to the GPIO while claimed + * @return 0 if OK, -ve on error + */ +int dm_gpio_request(struct gpio_desc *desc, const char *label); + +/** * gpio_get_list_count() - Returns the number of GPIOs in a list * * Counts the GPIOs in a list. See gpio_request_by_name() for additional diff --git a/include/clk.h b/include/clk.h index df4570c6f5..254ad2b876 100644 --- a/include/clk.h +++ b/include/clk.h @@ -1,6 +1,86 @@ +/* + * Copyright (c) 2015 Google, Inc + * Written by Simon Glass <sjg@chromium.org> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + #ifndef _CLK_H_ #define _CLK_H_ int soc_clk_dump(void); +struct clk_ops { + /** + * get_rate() - Get current clock rate + * + * @dev: Device to check (UCLASS_CLK) + * @return clock rate in Hz, or -ve error code + */ + ulong (*get_rate)(struct udevice *dev); + + /** + * set_rate() - Set current clock rate + * + * @dev: Device to adjust + * @rate: New clock rate in Hz + * @return new rate, or -ve error code + */ + ulong (*set_rate)(struct udevice *dev, ulong rate); + + /** + * clk_set_periph_rate() - Set clock rate for a peripheral + * + * @dev: Device to adjust (UCLASS_CLK) + * @rate: New clock rate in Hz + * @return new clock rate in Hz, or -ve error code + */ + ulong (*get_periph_rate)(struct udevice *dev, int periph); + + /** + * clk_set_periph_rate() - Set current clock rate for a peripheral + * + * @dev: Device to update (UCLASS_CLK) + * @periph: Peripheral ID to cupdate + * @return new clock rate in Hz, or -ve error code + */ + ulong (*set_periph_rate)(struct udevice *dev, int periph, ulong rate); +}; + +#define clk_get_ops(dev) ((struct clk_ops *)(dev)->driver->ops) + +/** + * clk_get_rate() - Get current clock rate + * + * @dev: Device to check (UCLASS_CLK) + * @return clock rate in Hz, or -ve error code + */ +ulong clk_get_rate(struct udevice *dev); + +/** + * set_rate() - Set current clock rate + * + * @dev: Device to adjust + * @rate: New clock rate in Hz + * @return new rate, or -ve error code + */ +ulong clk_set_rate(struct udevice *dev, ulong rate); + +/** + * clk_get_periph_rate() - Get current clock rate for a peripheral + * + * @dev: Device to check (UCLASS_CLK) + * @return clock rate in Hz, -ve error code + */ +ulong clk_get_periph_rate(struct udevice *dev, int periph); + +/** + * clk_set_periph_rate() - Set current clock rate for a peripheral + * + * @dev: Device to update (UCLASS_CLK) + * @periph: Peripheral ID to cupdate + * @return new clock rate in Hz, or -ve error code + */ +ulong clk_set_periph_rate(struct udevice *dev, int periph, ulong rate); + #endif /* _CLK_H_ */ diff --git a/include/common.h b/include/common.h index 8f4b2ec212..4566bd1111 100644 --- a/include/common.h +++ b/include/common.h @@ -1010,6 +1010,17 @@ int cpu_release(int nr, int argc, char * const argv[]); #define DEFINE_CACHE_ALIGN_BUFFER(type, name, size) \ DEFINE_ALIGN_BUFFER(type, name, size, ARCH_DMA_MINALIGN) +/* + * check_member() - Check the offset of a structure member + * + * @structure: Name of structure (e.g. global_data) + * @member: Name of member (e.g. baudrate) + * @offset: Expected offset in bytes + */ +#define check_member(structure, member, offset) _Static_assert( \ + offsetof(struct structure, member) == offset, \ + "`struct " #structure "` offset for `" #member "` is not " #offset) + /* Pull in stuff for the build system */ #ifdef DO_DEPS_ONLY # include <environment.h> diff --git a/include/configs/db-88f6820-gp.h b/include/configs/db-88f6820-gp.h index a429107a9a..73b323605e 100644 --- a/include/configs/db-88f6820-gp.h +++ b/include/configs/db-88f6820-gp.h @@ -11,6 +11,7 @@ * High Level Configuration Options (easy to change) */ #define CONFIG_ARMADA_XP /* SOC Family Name */ +#define CONFIG_ARMADA_38X #define CONFIG_DB_88F6820_GP /* Board target name for DDR training */ #define CONFIG_SYS_L2_PL310 @@ -108,6 +109,40 @@ "fdt_high=0x10000000\0" \ "initrd_high=0x10000000\0" +/* SPL */ +/* Defines for SPL */ +#define CONFIG_SPL_FRAMEWORK +#define CONFIG_SPL_SIZE (140 << 10) +#define CONFIG_SPL_TEXT_BASE 0x40000030 +#define CONFIG_SPL_MAX_SIZE (CONFIG_SPL_SIZE - 0x0030) + +#define CONFIG_SPL_BSS_START_ADDR (0x40000000 + CONFIG_SPL_SIZE) +#define CONFIG_SPL_BSS_MAX_SIZE (16 << 10) + +#define CONFIG_SYS_SPL_MALLOC_START (CONFIG_SPL_BSS_START_ADDR + \ + CONFIG_SPL_BSS_MAX_SIZE) +#define CONFIG_SYS_SPL_MALLOC_SIZE (16 << 10) + +#define CONFIG_SPL_STACK (0x40000000 + ((192 - 16) << 10)) +#define CONFIG_SPL_BOOTROM_SAVE (CONFIG_SPL_STACK + 4) + +#define CONFIG_SPL_LIBCOMMON_SUPPORT +#define CONFIG_SPL_LIBGENERIC_SUPPORT +#define CONFIG_SPL_SERIAL_SUPPORT +#define CONFIG_SPL_I2C_SUPPORT + +/* SPL related SPI defines */ +#define CONFIG_SPL_SPI_SUPPORT +#define CONFIG_SPL_SPI_FLASH_SUPPORT +#define CONFIG_SPL_SPI_LOAD +#define CONFIG_SPL_SPI_BUS 0 +#define CONFIG_SPL_SPI_CS 0 +#define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 + +/* Enable DDR support in SPL (DDR3 training from Marvell bin_hdr) */ +#define CONFIG_SYS_MVEBU_DDR_A38X +#define CONFIG_DDR3 + /* * mv-common.h should be defined after CMD configs since it used them * to enable certain macros diff --git a/include/configs/db-mv784mp-gp.h b/include/configs/db-mv784mp-gp.h index c33a58895a..41e6fdcb52 100644 --- a/include/configs/db-mv784mp-gp.h +++ b/include/configs/db-mv784mp-gp.h @@ -27,6 +27,7 @@ #define CONFIG_CMD_DHCP #define CONFIG_CMD_ENV #define CONFIG_CMD_I2C +#define CONFIG_CMD_IDE #define CONFIG_CMD_PING #define CONFIG_CMD_SF #define CONFIG_CMD_SPI @@ -60,6 +61,34 @@ #define CONFIG_SYS_CONSOLE_INFO_QUIET /* don't print console @ startup */ #define CONFIG_SYS_ALT_MEMTEST +/* SATA support */ +#ifdef CONFIG_CMD_IDE +#define __io +#define CONFIG_IDE_PREINIT +#define CONFIG_MVSATA_IDE + +/* Needs byte-swapping for ATA data register */ +#define CONFIG_IDE_SWAP_IO + +#define CONFIG_SYS_ATA_REG_OFFSET 0x0100 /* Offset for register access */ +#define CONFIG_SYS_ATA_DATA_OFFSET 0x0100 /* Offset for data I/O */ +#define CONFIG_SYS_ATA_ALT_OFFSET 0x0100 + +/* Each 8-bit ATA register is aligned to a 4-bytes address */ +#define CONFIG_SYS_ATA_STRIDE 4 + +/* CONFIG_CMD_IDE requires some #defines for ATA registers */ +#define CONFIG_SYS_IDE_MAXBUS 2 +#define CONFIG_SYS_IDE_MAXDEVICE CONFIG_SYS_IDE_MAXBUS + +/* ATA registers base is at SATA controller base */ +#define CONFIG_SYS_ATA_BASE_ADDR MVEBU_AXP_SATA_BASE +#define CONFIG_SYS_ATA_IDE0_OFFSET 0x2000 +#define CONFIG_SYS_ATA_IDE1_OFFSET 0x4000 + +#define CONFIG_DOS_PARTITION +#endif /* CONFIG_CMD_IDE */ + /* * mv-common.h should be defined after CMD configs since it used them * to enable certain macros @@ -109,7 +138,7 @@ #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 /* Enable DDR support in SPL (DDR3 training from Marvell bin_hdr) */ -#define CONFIG_SYS_MVEBU_DDR +#define CONFIG_SYS_MVEBU_DDR_AXP #define CONFIG_SPD_EEPROM 0x4e #endif /* _CONFIG_DB_MV7846MP_GP_H */ diff --git a/include/configs/maxbcm.h b/include/configs/maxbcm.h index 4826044857..0fb117f9d3 100644 --- a/include/configs/maxbcm.h +++ b/include/configs/maxbcm.h @@ -108,7 +108,7 @@ #define CONFIG_SYS_SPI_U_BOOT_OFFS 0x20000 /* Enable DDR support in SPL (DDR3 training from Marvell bin_hdr) */ -#define CONFIG_SYS_MVEBU_DDR +#define CONFIG_SYS_MVEBU_DDR_AXP #define CONFIG_DDR_FIXED_SIZE (1 << 20) /* 1GiB */ #endif /* _CONFIG_DB_MV7846MP_GP_H */ diff --git a/include/configs/minnowmax.h b/include/configs/minnowmax.h index af36ac5caf..4781e792f9 100644 --- a/include/configs/minnowmax.h +++ b/include/configs/minnowmax.h @@ -60,9 +60,6 @@ #define CONFIG_FIT_SIGNATURE #define CONFIG_RSA -/* Avoid a warning in the Realtek Ethernet driver */ -#define CONFIG_SYS_CACHELINE_SIZE 16 - #define CONFIG_ENV_SECT_SIZE 0x1000 #define CONFIG_ENV_OFFSET 0x007fe000 diff --git a/include/debug_uart.h b/include/debug_uart.h index f56797b72f..a75e377dc0 100644 --- a/include/debug_uart.h +++ b/include/debug_uart.h @@ -10,8 +10,6 @@ #ifndef _DEBUG_UART_H #define _DEBUG_UART_H -#include <linux/linkage.h> - /* * The debug UART is intended for use very early in U-Boot to debug problems * when an ICE or other debug mechanism is not available. @@ -64,46 +62,46 @@ void debug_uart_init(void); * * @ch: Character to output */ -asmlinkage void printch(int ch); +void printch(int ch); /** * printascii() - Output an ASCII string to the debug UART * * @str: String to output */ -asmlinkage void printascii(const char *str); +void printascii(const char *str); /** * printhex2() - Output a 2-digit hex value * * @value: Value to output */ -asmlinkage void printhex2(uint value); +void printhex2(uint value); /** * printhex4() - Output a 4-digit hex value * * @value: Value to output */ -asmlinkage void printhex4(uint value); +void printhex4(uint value); /** * printhex8() - Output a 8-digit hex value * * @value: Value to output */ -asmlinkage void printhex8(uint value); +void printhex8(uint value); /* * Now define some functions - this should be inserted into the serial driver */ #define DEBUG_UART_FUNCS \ - asmlinkage void printch(int ch) \ + void printch(int ch) \ { \ _debug_uart_putc(ch); \ } \ \ - asmlinkage void printascii(const char *str) \ + void printascii(const char *str) \ { \ while (*str) \ _debug_uart_putc(*str++); \ @@ -121,17 +119,17 @@ asmlinkage void printhex8(uint value); printhex1(value >> (4 * digits)); \ } \ \ - asmlinkage void printhex2(uint value) \ + void printhex2(uint value) \ { \ printhex(value, 2); \ } \ \ - asmlinkage void printhex4(uint value) \ + void printhex4(uint value) \ { \ printhex(value, 4); \ } \ \ - asmlinkage void printhex8(uint value) \ + void printhex8(uint value) \ { \ printhex(value, 8); \ } diff --git a/include/dm/device-internal.h b/include/dm/device-internal.h index 687462b093..402304f19e 100644 --- a/include/dm/device-internal.h +++ b/include/dm/device-internal.h @@ -107,6 +107,32 @@ int device_unbind(struct udevice *dev); static inline int device_unbind(struct udevice *dev) { return 0; } #endif +/** + * device_remove_children() - Stop all device's children + * @dev: The device whose children are to be removed + * @return 0 on success, -ve on error + */ +#ifdef CONFIG_DM_DEVICE_REMOVE +int device_remove_children(struct udevice *dev); +#else +static inline int device_remove_children(struct udevice *dev) { return 0; } +#endif + +/** + * device_unbind_children() - Unbind all device's children from the device + * + * On error, the function continues to unbind all children, and reports the + * first error. + * + * @dev: The device that is to be stripped of its children + * @return 0 on success, -ve on error + */ +#ifdef CONFIG_DM_DEVICE_REMOVE +int device_unbind_children(struct udevice *dev); +#else +static inline int device_unbind_children(struct udevice *dev) { return 0; } +#endif + #ifdef CONFIG_DM_DEVICE_REMOVE void device_free(struct udevice *dev); #else diff --git a/include/dm/device.h b/include/dm/device.h index 18296bb686..9fa0048bd0 100644 --- a/include/dm/device.h +++ b/include/dm/device.h @@ -386,10 +386,24 @@ int device_find_child_by_of_offset(struct udevice *parent, int of_offset, * @devp: Returns pointer to device if found, otherwise this is set to NULL * @return 0 if OK, -ve on error */ -int device_get_child_by_of_offset(struct udevice *parent, int seq, +int device_get_child_by_of_offset(struct udevice *parent, int of_offset, struct udevice **devp); /** + * device_get_global_by_of_offset() - Get a device based on FDT offset + * + * Locates a device by its device tree offset, searching globally throughout + * the all driver model devices. + * + * The device is probed to activate it ready for use. + * + * @of_offset: Device tree offset to find + * @devp: Returns pointer to device if found, otherwise this is set to NULL + * @return 0 if OK, -ve on error + */ +int device_get_global_by_of_offset(int of_offset, struct udevice **devp); + +/** * device_find_first_child() - Find the first child of a device * * @parent: Parent device to search diff --git a/include/dm/platdata.h b/include/dm/platdata.h index fbc8a6b3ad..6f4f00140e 100644 --- a/include/dm/platdata.h +++ b/include/dm/platdata.h @@ -16,6 +16,10 @@ /** * struct driver_info - Information required to instantiate a device * + * NOTE: Avoid using this except in extreme circumstances, where device tree + * is not feasible (e.g. serial driver in SPL where <8KB of SRAM is + * available). U-Boot's driver model uses device tree for configuration. + * * @name: Driver name * @platdata: Driver-specific platform data */ @@ -24,6 +28,11 @@ struct driver_info { const void *platdata; }; +/** + * NOTE: Avoid using these except in extreme circumstances, where device tree + * is not feasible (e.g. serial driver in SPL where <8KB of SRAM is + * available). U-Boot's driver model uses device tree for configuration. + */ #define U_BOOT_DEVICE(__name) \ ll_entry_declare(struct driver_info, __name, driver_info) diff --git a/include/dm/uclass-id.h b/include/dm/uclass-id.h index c7310d7ca0..bc057d7adf 100644 --- a/include/dm/uclass-id.h +++ b/include/dm/uclass-id.h @@ -25,27 +25,33 @@ enum uclass_id { UCLASS_SIMPLE_BUS, /* bus with child devices */ /* U-Boot uclasses start here - in alphabetical order */ + UCLASS_CLK, /* Clock source, e.g. used by peripherals */ UCLASS_CPU, /* CPU, typically part of an SoC */ UCLASS_CROS_EC, /* Chrome OS EC */ UCLASS_DISPLAY_PORT, /* Display port video */ + UCLASS_RAM, /* RAM controller */ UCLASS_ETH, /* Ethernet device */ UCLASS_GPIO, /* Bank of general-purpose I/O pins */ UCLASS_I2C, /* I2C bus */ UCLASS_I2C_EEPROM, /* I2C EEPROM device */ UCLASS_I2C_GENERIC, /* Generic I2C device */ + UCLASS_LED, /* Light-emitting diode (LED) */ UCLASS_LPC, /* x86 'low pin count' interface */ UCLASS_MASS_STORAGE, /* Mass storage device */ + UCLASS_MMC, /* SD / MMC card or chip */ UCLASS_MOD_EXP, /* RSA Mod Exp device */ UCLASS_PCH, /* x86 platform controller hub */ UCLASS_PCI, /* PCI bus */ UCLASS_PCI_GENERIC, /* Generic PCI bus device */ UCLASS_PMIC, /* PMIC I/O device */ UCLASS_REGULATOR, /* Regulator device */ + UCLASS_RESET, /* Reset device */ UCLASS_RTC, /* Real time clock device */ UCLASS_SERIAL, /* Serial UART */ UCLASS_SPI, /* SPI bus */ UCLASS_SPI_FLASH, /* SPI flash */ UCLASS_SPI_GENERIC, /* Generic SPI flash target */ + UCLASS_SYSCON, /* System configuration device */ UCLASS_THERMAL, /* Thermal sensor */ UCLASS_USB, /* USB bus */ UCLASS_USB_DEV_GENERIC, /* USB generic device */ diff --git a/include/dm/util.h b/include/dm/util.h index 0cec17b52a..7dbed6793f 100644 --- a/include/dm/util.h +++ b/include/dm/util.h @@ -33,4 +33,10 @@ struct list_head; */ int list_count_items(struct list_head *head); +/* Dump out a tree of all devices */ +void dm_dump_all(void); + +/* Dump out a list of uclasses and their devices */ +void dm_dump_uclass(void); + #endif diff --git a/include/dwmmc.h b/include/dwmmc.h index 86a54918f9..7a7555a73a 100644 --- a/include/dwmmc.h +++ b/include/dwmmc.h @@ -129,8 +129,24 @@ /* quirks */ #define DWMCI_QUIRK_DISABLE_SMU (1 << 0) +/** + * struct dwmci_host - Information about a designware MMC host + * + * @name: Device name + * @ioaddr: Base I/O address of controller + * @quirks: Quick flags - see DWMCI_QUIRK_... + * @caps: Capabilities - see MMC_MODE_... + * @bus_hz: Bus speed in Hz, if @get_mmc_clk() is NULL + * @div: Arbitrary clock divider value for use by controller + * @dev_index: Arbitrary device index for use by controller + * @dev_id: Arbitrary device ID for use by controller + * @buswidth: Bus width in bits (8 or 4) + * @fifoth_val: Value for FIFOTH register (or 0 to leave unset) + * @mmc: Pointer to generic MMC structure for this device + * @priv: Private pointer for use by controller + */ struct dwmci_host { - char *name; + const char *name; void *ioaddr; unsigned int quirks; unsigned int caps; diff --git a/include/image.h b/include/image.h index b6eb57e187..63c3d37f20 100644 --- a/include/image.h +++ b/include/image.h @@ -246,6 +246,8 @@ struct lmb; #define IH_TYPE_LPC32XXIMAGE 21 /* x86 setup.bin Image */ #define IH_TYPE_LOADABLE 22 /* A list of typeless images */ +#define IH_TYPE_COUNT 23 /* Number of image types */ + /* * Compression Types */ @@ -411,6 +413,15 @@ char *get_table_entry_name(const table_entry_t *table, char *msg, int id); const char *genimg_get_os_name(uint8_t os); const char *genimg_get_arch_name(uint8_t arch); const char *genimg_get_type_name(uint8_t type); + +/** + * genimg_get_type_short_name() - get the short name for an image type + * + * @param type Image type (IH_TYPE_...) + * @return image short name, or "unknown" if unknown + */ +const char *genimg_get_type_short_name(uint8_t type); + const char *genimg_get_comp_name(uint8_t comp); int genimg_get_os_id(const char *name); int genimg_get_arch_id(const char *name); diff --git a/include/led.h b/include/led.h new file mode 100644 index 0000000000..b929d0ca3c --- /dev/null +++ b/include/led.h @@ -0,0 +1,51 @@ +/* + * Copyright (c) 2015 Google, Inc + * Written by Simon Glass <sjg@chromium.org> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __LED_H +#define __LED_H + +/** + * struct led_uclass_plat - Platform data the uclass stores about each device + * + * @label: LED label + */ +struct led_uclass_plat { + const char *label; +}; + +struct led_ops { + /** + * set_on() - set the state of an LED + * + * @dev: LED device to change + * @on: 1 to turn the LED on, 0 to turn it off + * @return 0 if OK, -ve on error + */ + int (*set_on)(struct udevice *dev, int on); +}; + +#define led_get_ops(dev) ((struct led_ops *)(dev)->driver->ops) + +/** + * led_get_by_label() - Find an LED device by label + * + * @label: LED label to look up + * @devp: Returns the associated device, if found + * @return 0 if found, -ENODEV if not found, other -ve on error + */ +int led_get_by_label(const char *label, struct udevice **devp); + +/** + * led_set_on() - set the state of an LED + * + * @dev: LED device to change + * @on: 1 to turn the LED on, 0 to turn it off + * @return 0 if OK, -ve on error + */ +int led_set_on(struct udevice *dev, int on); + +#endif diff --git a/include/libfdt.h b/include/libfdt.h index 421d64fd8b..e48c21aced 100644 --- a/include/libfdt.h +++ b/include/libfdt.h @@ -121,7 +121,12 @@ /* FDT_ERR_BADNCELLS: Device tree has a #address-cells, #size-cells * or similar property with a bad format or value */ -#define FDT_ERR_MAX 14 +#define FDT_ERR_TOODEEP 15 + /* FDT_ERR_TOODEEP: The depth of a node has exceeded the internal + * libfdt limit. This can happen if you have more than + * FDT_MAX_DEPTH nested nodes. */ + +#define FDT_ERR_MAX 15 /**********************************************************************/ /* Low-level functions (you probably don't need these) */ @@ -1646,11 +1651,99 @@ int fdt_del_node(void *fdt, int nodeoffset); const char *fdt_strerror(int errval); +/** + * fdt_remove_unused_strings() - Remove any unused strings from an FDT + * + * This creates a new device tree in @new with unused strings removed. The + * called can then use fdt_pack() to minimise the space consumed. + * + * @old: Old device tree blog + * @new: Place to put new device tree blob, which must be as large as + * @old + * @return + * 0, on success + * -FDT_ERR_BADOFFSET, corrupt device tree + * -FDT_ERR_NOSPACE, out of space, which should not happen unless there + * is something very wrong with the device tree input + */ +int fdt_remove_unused_strings(const void *old, void *new); + struct fdt_region { int offset; int size; }; +/* + * Flags for fdt_find_regions() + * + * Add a region for the string table (always the last region) + */ +#define FDT_REG_ADD_STRING_TAB (1 << 0) + +/* + * Add all supernodes of a matching node/property, useful for creating a + * valid subset tree + */ +#define FDT_REG_SUPERNODES (1 << 1) + +/* Add the FDT_BEGIN_NODE tags of subnodes, including their names */ +#define FDT_REG_DIRECT_SUBNODES (1 << 2) + +/* Add all subnodes of a matching node */ +#define FDT_REG_ALL_SUBNODES (1 << 3) + +/* Add a region for the mem_rsvmap table (always the first region) */ +#define FDT_REG_ADD_MEM_RSVMAP (1 << 4) + +/* Indicates what an fdt part is (node, property, value) */ +#define FDT_IS_NODE (1 << 0) +#define FDT_IS_PROP (1 << 1) +#define FDT_IS_VALUE (1 << 2) /* not supported */ +#define FDT_IS_COMPAT (1 << 3) /* used internally */ +#define FDT_NODE_HAS_PROP (1 << 4) /* node contains prop */ + +#define FDT_ANY_GLOBAL (FDT_IS_NODE | FDT_IS_PROP | FDT_IS_VALUE | \ + FDT_IS_COMPAT) +#define FDT_IS_ANY 0x1f /* all the above */ + +/* We set a reasonable limit on the number of nested nodes */ +#define FDT_MAX_DEPTH 32 + +/* Decribes what we want to include from the current tag */ +enum want_t { + WANT_NOTHING, + WANT_NODES_ONLY, /* No properties */ + WANT_NODES_AND_PROPS, /* Everything for one level */ + WANT_ALL_NODES_AND_PROPS /* Everything for all levels */ +}; + +/* Keeps track of the state at parent nodes */ +struct fdt_subnode_stack { + int offset; /* Offset of node */ + enum want_t want; /* The 'want' value here */ + int included; /* 1 if we included this node, 0 if not */ +}; + +struct fdt_region_ptrs { + int depth; /* Current tree depth */ + int done; /* What we have completed scanning */ + enum want_t want; /* What we are currently including */ + char *end; /* Pointer to end of full node path */ + int nextoffset; /* Next node offset to check */ +}; + +/* The state of our finding algortihm */ +struct fdt_region_state { + struct fdt_subnode_stack stack[FDT_MAX_DEPTH]; /* node stack */ + struct fdt_region *region; /* Contains list of regions found */ + int count; /* Numnber of regions found */ + const void *fdt; /* FDT blob */ + int max_regions; /* Maximum regions to find */ + int can_merge; /* 1 if we can merge with previous region */ + int start; /* Start position of current region */ + struct fdt_region_ptrs ptrs; /* Pointers for what we are up to */ +}; + /** * fdt_find_regions() - find regions in device tree * @@ -1710,4 +1803,165 @@ int fdt_find_regions(const void *fdt, char * const inc[], int inc_count, struct fdt_region region[], int max_regions, char *path, int path_len, int add_string_tab); +/** + * fdt_first_region() - find regions in device tree + * + * Given a nodes and properties to include and properties to exclude, find + * the regions of the device tree which describe those included parts. + * + * The use for this function is twofold. Firstly it provides a convenient + * way of performing a structure-aware grep of the tree. For example it is + * possible to grep for a node and get all the properties associated with + * that node. Trees can be subsetted easily, by specifying the nodes that + * are required, and then writing out the regions returned by this function. + * This is useful for small resource-constrained systems, such as boot + * loaders, which want to use an FDT but do not need to know about all of + * it. + * + * Secondly it makes it easy to hash parts of the tree and detect changes. + * The intent is to get a list of regions which will be invariant provided + * those parts are invariant. For example, if you request a list of regions + * for all nodes but exclude the property "data", then you will get the + * same region contents regardless of any change to "data" properties. + * + * This function can be used to produce a byte-stream to send to a hashing + * function to verify that critical parts of the FDT have not changed. + * Note that semantically null changes in order could still cause false + * hash misses. Such reordering might happen if the tree is regenerated + * from source, and nodes are reordered (the bytes-stream will be emitted + * in a different order and mnay hash functions will detect this). However + * if an existing tree is modified using libfdt functions, such as + * fdt_add_subnode() and fdt_setprop(), then this problem is avoided. + * + * The nodes/properties to include/exclude are defined by a function + * provided by the caller. This function is called for each node and + * property, and must return: + * + * 0 - to exclude this part + * 1 - to include this part + * -1 - for FDT_IS_PROP only: no information is available, so include + * if its containing node is included + * + * The last case is only used to deal with properties. Often a property is + * included if its containing node is included - this is the case where + * -1 is returned.. However if the property is specifically required to be + * included/excluded, then 0 or 1 can be returned. Note that including a + * property when the FDT_REG_SUPERNODES flag is given will force its + * containing node to be included since it is not valid to have a property + * that is not in a node. + * + * Using the information provided, the inclusion of a node can be controlled + * either by a node name or its compatible string, or any other property + * that the function can determine. + * + * As an example, including node "/" means to include the root node and all + * root properties. A flag provides a way of also including supernodes (of + * which there is none for the root node), and another flag includes + * immediate subnodes, so in this case we would get the FDT_BEGIN_NODE and + * FDT_END_NODE of all subnodes of /. + * + * The subnode feature helps in a hashing situation since it prevents the + * root node from changing at all. Any change to non-excluded properties, + * names of subnodes or number of subnodes would be detected. + * + * When used with FITs this provides the ability to hash and sign parts of + * the FIT based on different configurations in the FIT. Then it is + * impossible to change anything about that configuration (include images + * attached to the configuration), but it may be possible to add new + * configurations, new images or new signatures within the existing + * framework. + * + * Adding new properties to a device tree may result in the string table + * being extended (if the new property names are different from those + * already added). This function can optionally include a region for + * the string table so that this can be part of the hash too. This is always + * the last region. + * + * The FDT also has a mem_rsvmap table which can also be included, and is + * always the first region if so. + * + * The device tree header is not included in the region list. Since the + * contents of the FDT are changing (shrinking, often), the caller will need + * to regenerate the header anyway. + * + * @fdt: Device tree to check + * @h_include: Function to call to determine whether to include a part or + * not: + * + * @priv: Private pointer as passed to fdt_find_regions() + * @fdt: Pointer to FDT blob + * @offset: Offset of this node / property + * @type: Type of this part, FDT_IS_... + * @data: Pointer to data (node name, property name, compatible + * string, value (not yet supported) + * @size: Size of data, or 0 if none + * @return 0 to exclude, 1 to include, -1 if no information is + * available + * @priv: Private pointer passed to h_include + * @region: Returns list of regions, sorted by offset + * @max_regions: Maximum length of region list + * @path: Pointer to a temporary string for the function to use for + * building path names + * @path_len: Length of path, must be large enough to hold the longest + * path in the tree + * @flags: Various flags that control the region algortihm, see + * FDT_REG_... + * @return number of regions in list. If this is >max_regions then the + * region array was exhausted. You should increase max_regions and try + * the call again. Only the first max_regions elements are available in the + * array. + * + * On error a -ve value is return, which can be: + * + * -FDT_ERR_BADSTRUCTURE (too deep or more END tags than BEGIN tags + * -FDT_ERR_BADLAYOUT + * -FDT_ERR_NOSPACE (path area is too small) + */ +int fdt_first_region(const void *fdt, + int (*h_include)(void *priv, const void *fdt, int offset, + int type, const char *data, int size), + void *priv, struct fdt_region *region, + char *path, int path_len, int flags, + struct fdt_region_state *info); + +/** fdt_next_region() - find next region + * + * See fdt_first_region() for full description. This function finds the + * next region according to the provided parameters, which must be the same + * as passed to fdt_first_region(). + * + * This function can additionally return -FDT_ERR_NOTFOUND when there are no + * more regions + */ +int fdt_next_region(const void *fdt, + int (*h_include)(void *priv, const void *fdt, int offset, + int type, const char *data, int size), + void *priv, struct fdt_region *region, + char *path, int path_len, int flags, + struct fdt_region_state *info); + +/** + * fdt_add_alias_regions() - find aliases that point to existing regions + * + * Once a device tree grep is complete some of the nodes will be present + * and some will have been dropped. This function checks all the alias nodes + * to figure out which points point to nodes which are still present. These + * aliases need to be kept, along with the nodes they reference. + * + * Given a list of regions function finds the aliases that still apply and + * adds more regions to the list for these. This function is called after + * fdt_next_region() has finished returning regions and requires the same + * state. + * + * @fdt: Device tree file to reference + * @region: List of regions that will be kept + * @count: Number of regions + * @max_regions: Number of entries that can fit in @region + * @info: Region state as returned from fdt_next_region() + * @return new number of regions in @region (i.e. count + the number added) + * or -FDT_ERR_NOSPACE if there was not enough space. + */ +int fdt_add_alias_regions(const void *fdt, struct fdt_region *region, int count, + int max_regions, struct fdt_region_state *info); + #endif /* _LIBFDT_H */ diff --git a/include/linux/compat.h b/include/linux/compat.h index 6ff3915216..fbebf910ad 100644 --- a/include/linux/compat.h +++ b/include/linux/compat.h @@ -36,10 +36,25 @@ extern struct p_current *current; #define KERN_INFO #define KERN_DEBUG +#define GFP_ATOMIC ((gfp_t) 0) +#define GFP_KERNEL ((gfp_t) 0) +#define GFP_NOFS ((gfp_t) 0) +#define GFP_USER ((gfp_t) 0) +#define __GFP_NOWARN ((gfp_t) 0) +#define __GFP_ZERO ((__force gfp_t)0x8000u) /* Return zeroed page on success */ + void *kmalloc(size_t size, int flags); -void *kzalloc(size_t size, int flags); + +static inline void *kzalloc(size_t size, gfp_t flags) +{ + return kmalloc(size, flags | __GFP_ZERO); +} #define vmalloc(size) kmalloc(size, 0) #define __vmalloc(size, flags, pgsz) kmalloc(size, flags) +static inline void *vzalloc(unsigned long size) +{ + return kzalloc(size, 0); +} #define kfree(ptr) free(ptr) #define vfree(ptr) free(ptr) @@ -73,13 +88,6 @@ void *kmem_cache_alloc(struct kmem_cache *obj, int flag); /* drivers/char/random.c */ #define get_random_bytes(...) -/* idr.c */ -#define GFP_ATOMIC ((gfp_t) 0) -#define GFP_KERNEL ((gfp_t) 0) -#define GFP_NOFS ((gfp_t) 0) -#define GFP_USER ((gfp_t) 0) -#define __GFP_NOWARN ((gfp_t) 0) - /* include/linux/leds.h */ struct led_trigger {}; @@ -189,8 +197,6 @@ struct work_struct {}; unsigned long copy_from_user(void *dest, const void *src, unsigned long count); -void *vzalloc(unsigned long size); - typedef unused_t spinlock_t; typedef int wait_queue_head_t; @@ -315,8 +321,6 @@ struct notifier_block {}; typedef unsigned long dmaaddr_t; -#define cpu_relax() do {} while (0) - #define pm_runtime_get_sync(dev) do {} while (0) #define pm_runtime_put(dev) do {} while (0) #define pm_runtime_put_sync(dev) do {} while (0) diff --git a/include/mmc.h b/include/mmc.h index dd98b3b8ac..cda9a19ce0 100644 --- a/include/mmc.h +++ b/include/mmc.h @@ -266,6 +266,28 @@ #define MMC_NUM_BOOT_PARTITION 2 #define MMC_PART_RPMB 3 /* RPMB partition number */ +/* Driver model support */ + +/** + * struct mmc_uclass_priv - Holds information about a device used by the uclass + */ +struct mmc_uclass_priv { + struct mmc *mmc; +}; + +/** + * mmc_get_mmc_dev() - get the MMC struct pointer for a device + * + * Provided that the device is already probed and ready for use, this value + * will be available. + * + * @dev: Device + * @return associated mmc struct pointer if available, else NULL + */ +struct mmc *mmc_get_mmc_dev(struct udevice *dev); + +/* End of driver model support */ + struct mmc_cid { unsigned long psn; unsigned short oid; diff --git a/include/net.h b/include/net.h index d17173d818..d09bec9de1 100644 --- a/include/net.h +++ b/include/net.h @@ -93,6 +93,14 @@ struct eth_pdata { int phy_interface; }; +enum eth_recv_flags { + /* + * Check hardware device for new packets (otherwise only return those + * which are already in the memory buffer ready to process) + */ + ETH_RECV_CHECK_DEVICE = 1 << 0, +}; + /** * struct eth_ops - functions of Ethernet MAC controllers * @@ -111,7 +119,9 @@ struct eth_pdata { * mcast: Join or leave a multicast group (for TFTP) - optional * write_hwaddr: Write a MAC address to the hardware (used to pass it to Linux * on some platforms like ARM). This function expects the - * eth_pdata::enetaddr field to be populated - optional + * eth_pdata::enetaddr field to be populated. The method can + * return -ENOSYS to indicate that this is not implemented for + this hardware - optional. * read_rom_hwaddr: Some devices have a backup of the MAC address stored in a * ROM on the board. This is how the driver should expose it * to the network stack. This function should fill in the @@ -120,7 +130,7 @@ struct eth_pdata { struct eth_ops { int (*start)(struct udevice *dev); int (*send)(struct udevice *dev, void *packet, int length); - int (*recv)(struct udevice *dev, uchar **packetp); + int (*recv)(struct udevice *dev, int flags, uchar **packetp); int (*free_pkt)(struct udevice *dev, uchar *packet, int length); void (*stop)(struct udevice *dev); #ifdef CONFIG_MCAST_TFTP diff --git a/include/pci.h b/include/pci.h index 542e68bceb..94bca97512 100644 --- a/include/pci.h +++ b/include/pci.h @@ -468,7 +468,10 @@ typedef int pci_dev_t; #define PCI_ANY_ID (~0) struct pci_device_id { - unsigned int vendor, device; /* Vendor and device ID or PCI_ANY_ID */ + unsigned int vendor, device; /* Vendor and device ID or PCI_ANY_ID */ + unsigned int subvendor, subdevice; /* Subsystem ID's or PCI_ANY_ID */ + unsigned int class, class_mask; /* (class,subclass,prog-if) triplet */ + unsigned long driver_data; /* Data private to the driver */ }; struct pci_controller; @@ -805,6 +808,14 @@ struct dm_pci_ops { #define pci_get_ops(dev) ((struct dm_pci_ops *)(dev)->driver->ops) /** + * pci_get_bdf() - Get the BDF value for a device + * + * @dev: Device to check + * @return bus/device/function value (see PCI_BDF()) + */ +pci_dev_t pci_get_bdf(struct udevice *dev); + +/** * pci_bind_bus_devices() - scan a PCI bus and bind devices * * Scan a PCI bus looking for devices. Bind each one that is found. If @@ -1101,7 +1112,79 @@ struct dm_pci_emul_ops { int sandbox_pci_get_emul(struct udevice *bus, pci_dev_t find_devfn, struct udevice **emulp); -#endif +#endif /* CONFIG_DM_PCI */ + +/** + * PCI_DEVICE - macro used to describe a specific pci device + * @vend: the 16 bit PCI Vendor ID + * @dev: the 16 bit PCI Device ID + * + * This macro is used to create a struct pci_device_id that matches a + * specific device. The subvendor and subdevice fields will be set to + * PCI_ANY_ID. + */ +#define PCI_DEVICE(vend, dev) \ + .vendor = (vend), .device = (dev), \ + .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID + +/** + * PCI_DEVICE_SUB - macro used to describe a specific pci device with subsystem + * @vend: the 16 bit PCI Vendor ID + * @dev: the 16 bit PCI Device ID + * @subvend: the 16 bit PCI Subvendor ID + * @subdev: the 16 bit PCI Subdevice ID + * + * This macro is used to create a struct pci_device_id that matches a + * specific device with subsystem information. + */ +#define PCI_DEVICE_SUB(vend, dev, subvend, subdev) \ + .vendor = (vend), .device = (dev), \ + .subvendor = (subvend), .subdevice = (subdev) + +/** + * PCI_DEVICE_CLASS - macro used to describe a specific pci device class + * @dev_class: the class, subclass, prog-if triple for this device + * @dev_class_mask: the class mask for this device + * + * This macro is used to create a struct pci_device_id that matches a + * specific PCI class. The vendor, device, subvendor, and subdevice + * fields will be set to PCI_ANY_ID. + */ +#define PCI_DEVICE_CLASS(dev_class, dev_class_mask) \ + .class = (dev_class), .class_mask = (dev_class_mask), \ + .vendor = PCI_ANY_ID, .device = PCI_ANY_ID, \ + .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID + +/** + * PCI_VDEVICE - macro used to describe a specific pci device in short form + * @vend: the vendor name + * @dev: the 16 bit PCI Device ID + * + * This macro is used to create a struct pci_device_id that matches a + * specific PCI device. The subvendor, and subdevice fields will be set + * to PCI_ANY_ID. The macro allows the next field to follow as the device + * private data. + */ + +#define PCI_VDEVICE(vend, dev) \ + .vendor = PCI_VENDOR_ID_##vend, .device = (dev), \ + .subvendor = PCI_ANY_ID, .subdevice = PCI_ANY_ID, 0, 0 + +/** + * struct pci_driver_entry - Matches a driver to its pci_device_id list + * @driver: Driver to use + * @match: List of match records for this driver, terminated by {} + */ +struct pci_driver_entry { + struct driver *driver; + const struct pci_device_id *match; +}; + +#define U_BOOT_PCI_DEVICE(__name, __match) \ + ll_entry_declare(struct pci_driver_entry, __name, pci_driver_entry) = {\ + .driver = llsym(struct driver, __name, driver), \ + .match = __match, \ + } #endif /* __ASSEMBLY__ */ #endif /* _PCI_H */ diff --git a/include/power/pmic.h b/include/power/pmic.h index eb152ef492..6ba4b6ecd6 100644 --- a/include/power/pmic.h +++ b/include/power/pmic.h @@ -264,6 +264,40 @@ int pmic_reg_count(struct udevice *dev); */ int pmic_read(struct udevice *dev, uint reg, uint8_t *buffer, int len); int pmic_write(struct udevice *dev, uint reg, const uint8_t *buffer, int len); + +/** + * pmic_reg_read() - read a PMIC register value + * + * @dev: PMIC device to read + * @reg: Register to read + * @return value read on success or negative value of errno. + */ +int pmic_reg_read(struct udevice *dev, uint reg); + +/** + * pmic_reg_write() - write a PMIC register value + * + * @dev: PMIC device to write + * @reg: Register to write + * @value: Value to write + * @return 0 on success or negative value of errno. + */ +int pmic_reg_write(struct udevice *dev, uint reg, uint value); + +/** + * pmic_clrsetbits() - clear and set bits in a PMIC register + * + * This reads a register, optionally clears some bits, optionally sets some + * bits, then writes the register. + * + * @dev: PMIC device to update + * @reg: Register to update + * @clr: Bit mask to clear (set those bits that you want cleared) + * @set: Bit mask to set (set those bits that you want set) + * @return 0 on success or negative value of errno. + */ +int pmic_clrsetbits(struct udevice *dev, uint reg, uint clr, uint set); + #endif /* CONFIG_DM_PMIC */ #ifdef CONFIG_POWER diff --git a/include/power/regulator.h b/include/power/regulator.h index 03a2cefcd6..015229027c 100644 --- a/include/power/regulator.h +++ b/include/power/regulator.h @@ -128,6 +128,11 @@ struct dm_regulator_mode { const char *name; }; +enum regulator_flag { + REGULATOR_FLAG_AUTOSET_UV = 1 << 0, + REGULATOR_FLAG_AUTOSET_UA = 1 << 1, +}; + /** * struct dm_regulator_uclass_platdata - pointed by dev->uclass_platdata, and * allocated on each regulator bind. This structure holds an information @@ -143,6 +148,8 @@ struct dm_regulator_mode { * @max_uA* - maximum amperage (micro Amps) * @always_on* - bool type, true or false * @boot_on* - bool type, true or false + * TODO(sjg@chromium.org): Consider putting the above two into @flags + * @flags: - flags value (see REGULATOR_FLAG_...) * @name** - fdt regulator name - should be taken from the device tree * * Note: @@ -162,6 +169,7 @@ struct dm_regulator_uclass_platdata { bool always_on; bool boot_on; const char *name; + int flags; }; /* Regulator device operations */ @@ -308,9 +316,39 @@ int regulator_get_mode(struct udevice *dev); int regulator_set_mode(struct udevice *dev, int mode_id); /** - * regulator_autoset: setup the regulator given by its uclass's platform data - * name field. The setup depends on constraints found in device's uclass's - * platform data (struct dm_regulator_uclass_platdata): + * regulators_enable_boot_on() - enable regulators needed for boot + * + * This enables all regulators which are marked to be on at boot time. This + * only works for regulators which don't have a range for voltage/current, + * since in that case it is not possible to know which value to use. + * + * This effectively calls regulator_autoset() for every regulator. + */ +int regulators_enable_boot_on(bool verbose); + +/** + * regulator_autoset: setup the voltage/current on a regulator + * + * The setup depends on constraints found in device's uclass's platform data + * (struct dm_regulator_uclass_platdata): + * + * - Enable - will set - if any of: 'always_on' or 'boot_on' is set to true, + * or if both are unset, then the function returns + * - Voltage value - will set - if '.min_uV' and '.max_uV' values are equal + * - Current limit - will set - if '.min_uA' and '.max_uA' values are equal + * + * The function returns on the first-encountered error. + * + * @platname - expected string for dm_regulator_uclass_platdata .name field + * @devp - returned pointer to the regulator device - if non-NULL passed + * @return: 0 on success or negative value of errno. + */ +int regulator_autoset(struct udevice *dev); + +/** + * regulator_autoset_by_name: setup the regulator given by its uclass's + * platform data name field. The setup depends on constraints found in device's + * uclass's platform data (struct dm_regulator_uclass_platdata): * - Enable - will set - if any of: 'always_on' or 'boot_on' is set to true, * or if both are unset, then the function returns * - Voltage value - will set - if '.min_uV' and '.max_uV' values are equal @@ -320,21 +358,18 @@ int regulator_set_mode(struct udevice *dev, int mode_id); * * @platname - expected string for dm_regulator_uclass_platdata .name field * @devp - returned pointer to the regulator device - if non-NULL passed - * @verbose - (true/false) print regulator setup info, or be quiet * @return: 0 on success or negative value of errno. * * The returned 'regulator' device can be used with: * - regulator_get/set_* */ -int regulator_autoset(const char *platname, - struct udevice **devp, - bool verbose); +int regulator_autoset_by_name(const char *platname, struct udevice **devp); /** * regulator_list_autoset: setup the regulators given by list of their uclass's * platform data name field. The setup depends on constraints found in device's * uclass's platform data. The function loops with calls to: - * regulator_autoset() for each name from the list. + * regulator_autoset_by_name() for each name from the list. * * @list_platname - an array of expected strings for .name field of each * regulator's uclass platdata @@ -375,7 +410,7 @@ int regulator_get_by_devname(const char *devname, struct udevice **devp); * Search by name, found in regulator uclass platdata. * * @platname - expected string for uc_pdata->name of regulator uclass platdata - * @devp - returned pointer to the regulator device + * @devp - returns pointer to the regulator device or NULL on error * @return 0 on success or negative value of errno. * * The returned 'regulator' device is probed and can be used with: diff --git a/include/power/sandbox_pmic.h b/include/power/sandbox_pmic.h index ae142921e5..8547674971 100644 --- a/include/power/sandbox_pmic.h +++ b/include/power/sandbox_pmic.h @@ -117,11 +117,11 @@ enum { /* * Expected regulators setup after call of: - * - regulator_autoset() + * - regulator_autoset_by_name() * - regulator_list_autoset() */ -/* BUCK1: for testing regulator_autoset() */ +/* BUCK1: for testing regulator_autoset_by_name() */ #define SANDBOX_BUCK1_AUTOSET_EXPECTED_UV 1200000 #define SANDBOX_BUCK1_AUTOSET_EXPECTED_UA 200000 #define SANDBOX_BUCK1_AUTOSET_EXPECTED_ENABLE true diff --git a/include/ram.h b/include/ram.h new file mode 100644 index 0000000000..e2172a8741 --- /dev/null +++ b/include/ram.h @@ -0,0 +1,38 @@ +/* + * Copyright (c) 2015 Google, Inc + * Written by Simon Glass <sjg@chromium.org> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __RAM_H +#define __RAM_H + +struct ram_info { + phys_addr_t base; + size_t size; +}; + +struct ram_ops { + /** + * get_info() - Get basic memory info + * + * @dev: Device to check (UCLASS_RAM) + * @info: Place to put info + * @return 0 if OK, -ve on error + */ + int (*get_info)(struct udevice *dev, struct ram_info *info); +}; + +#define ram_get_ops(dev) ((struct ram_ops *)(dev)->driver->ops) + +/** + * ram_get_info() - Get information about a RAM device + * + * @dev: Device to check (UCLASS_RAM) + * @info: Returns RAM info + * @return 0 if OK, -ve on error + */ +int ram_get_info(struct udevice *dev, struct ram_info *info); + +#endif diff --git a/include/rc4.h b/include/rc4.h new file mode 100644 index 0000000000..ea409c2f3e --- /dev/null +++ b/include/rc4.h @@ -0,0 +1,21 @@ +/* + * (C) Copyright 2015 Google, Inc + * + * (C) Copyright 2008-2014 Rockchip Electronics + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __RC4_H +#define __RC4_H + +/** + * rc4_encode() - encode a buf with the RC4 cipher + * + * @buf: Buffer to encode (it is overwrite in the process + * @len: Length of buffer in bytes + * @key: 16-byte key to use + */ +void rc4_encode(unsigned char *buf, unsigned int len, unsigned char key[16]); + +#endif diff --git a/include/regmap.h b/include/regmap.h new file mode 100644 index 0000000000..eccf7707f4 --- /dev/null +++ b/include/regmap.h @@ -0,0 +1,72 @@ +/* + * Copyright (c) 2015 Google, Inc + * Written by Simon Glass <sjg@chromium.org> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __REGMAP_H +#define __REGMAP_H + +/** + * struct regmap_range - a register map range + * + * @start: Start address + * @size: Size in bytes + */ +struct regmap_range { + ulong start; + ulong size; +}; + +/** + * struct regmap - a way of accessing hardware/bus registers + * + * @base: Base address of register map + * @range_count: Number of ranges available within the map + * @range: Pointer to the list of ranges, allocated if @range_count > 1 + * @base_range: If @range_count is <= 1, @range points here + */ +struct regmap { + phys_addr_t base; + int range_count; + struct regmap_range *range, base_range; +}; + +/* + * Interface to provide access to registers either through a direct memory + * bus or through a peripheral bus like I2C, SPI. + */ +int regmap_write(struct regmap *map, uint offset, uint val); +int regmap_read(struct regmap *map, uint offset, uint *valp); + +#define regmap_write32(map, ptr, member, val) \ + regmap_write(map, (uint32_t *)(ptr)->member - (uint32_t *)(ptr), val) + +#define regmap_read32(map, ptr, member, valp) \ + regmap_read(map, (uint32_t *)(ptr)->member - (uint32_t *)(ptr), valp) + +/** + * regmap_init_mem() - Set up a new register map that uses memory access + * + * Use regmap_uninit() to free it. + * + * @dev: Device that uses this map + * @mapp: Returns allocated map + */ +int regmap_init_mem(struct udevice *dev, struct regmap **mapp); + +/** + * regmap_get_range() - Obtain the base memory address of a regmap range + * + * @map: Regmap to query + * @range_num: Range to look up + */ +void *regmap_get_range(struct regmap *map, unsigned int range_num); + +/** + * regmap_uninit() - free a previously inited regmap + */ +int regmap_uninit(struct regmap *map); + +#endif diff --git a/include/reset.h b/include/reset.h new file mode 100644 index 0000000000..383761eb1f --- /dev/null +++ b/include/reset.h @@ -0,0 +1,71 @@ +/* + * Copyright (c) 2015 Google, Inc + * Written by Simon Glass <sjg@chromium.org> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __RESET_H +#define __RESET_H + +enum reset_t { + RESET_WARM, /* Reset CPU, keep GPIOs active */ + RESET_COLD, /* Reset CPU and GPIOs */ + RESET_POWER, /* Reset PMIC (remove and restore power) */ + + RESET_COUNT, +}; + +struct reset_ops { + /** + * request() - request a reset of the given type + * + * Note that this function may return before the reset takes effect. + * + * @type: Reset type to request + * @return -EINPROGRESS if the reset has been started and + * will complete soon, -EPROTONOSUPPORT if not supported + * by this device, 0 if the reset has already happened + * (in which case this method will not actually return) + */ + int (*request)(struct udevice *dev, enum reset_t type); +}; + +#define reset_get_ops(dev) ((struct reset_ops *)(dev)->driver->ops) + +/** + * reset_request() - request a reset + * + * @type: Reset type to request + * @return 0 if OK, -EPROTONOSUPPORT if not supported by this device + */ +int reset_request(struct udevice *dev, enum reset_t type); + +/** + * reset_walk() - cause a reset + * + * This works through the available reset devices until it finds one that can + * perform a reset. If the provided reset type is not available, the next one + * will be tried. + * + * If this function fails to reset, it will display a message and halt + * + * @type: Reset type to request + * @return -EINPROGRESS if a reset is in progress, -ENOSYS if not available + */ +int reset_walk(enum reset_t type); + +/** + * reset_walk_halt() - try to reset, otherwise halt + * + * This calls reset_walk(). If it returns, indicating that reset is not + * supported, it prints a message and halts. + */ +void reset_walk_halt(enum reset_t type); + +/** + * reset_cpu() - calls reset_walk(RESET_WARM) + */ +void reset_cpu(ulong addr); + +#endif diff --git a/include/spl.h b/include/spl.h index d19940f2a3..8e53426142 100644 --- a/include/spl.h +++ b/include/spl.h @@ -81,6 +81,18 @@ void __noreturn jump_to_image_no_args(struct spl_image_info *spl_image); int spl_load_image_ext(block_dev_desc_t *block_dev, int partition, const char *filename); int spl_load_image_ext_os(block_dev_desc_t *block_dev, int partition); +/** + * spl_init() - Set up device tree and driver model in SPL if enabled + * + * Call this function in board_init_f() if you want to use device tree and + * driver model early, before board_init_r() is called. This function will + * be called from board_init_r() if not called earlier. + * + * If this is not called, then driver model will be inactive in SPL's + * board_init_f(), and no device tree will be available. + */ +int spl_init(void); + #ifdef CONFIG_SPL_BOARD_INIT void spl_board_init(void); #endif diff --git a/include/syscon.h b/include/syscon.h new file mode 100644 index 0000000000..c62ccd61b3 --- /dev/null +++ b/include/syscon.h @@ -0,0 +1,56 @@ +/* + * Copyright (c) 2015 Google, Inc + * Written by Simon Glass <sjg@chromium.org> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#ifndef __SYSCON_H +#define __SYSCON_H + +/** + * struct syscon_uc_info - Information stored by the syscon UCLASS_UCLASS + * + * @regmap: Register map for this controller + */ +struct syscon_uc_info { + struct regmap *regmap; +}; + +/* So far there are no ops so this is a placeholder */ +struct syscon_ops { +}; + +#define syscon_get_ops(dev) ((struct syscon_ops *)(dev)->driver->ops) + +/** + * syscon_get_regmap() - Get access to a register map + * + * @dev: Device to check (UCLASS_SCON) + * @info: Returns regmap for the device + * @return 0 if OK, -ve on error + */ +struct regmap *syscon_get_regmap(struct udevice *dev); + +/** + * 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 + * @return register map correponding to @driver_data, or -ve error code + */ +struct regmap *syscon_get_regmap_by_driver_data(ulong driver_data); + +/** + * syscon_get_first_range() - get the first memory range from a syscon regmap + * + * @driver_data: Driver data value to look up + * @return first region of register map correponding to @driver_data, or + * -ve error code + */ +void *syscon_get_first_range(ulong driver_data); + +#endif diff --git a/include/test/ut.h b/include/test/ut.h index 5e5aa6ce41..da7c1a9d26 100644 --- a/include/test/ut.h +++ b/include/test/ut.h @@ -9,6 +9,8 @@ #ifndef __TEST_UT_H #define __TEST_UT_H +#include <linux/err.h> + struct unit_test_state; /** @@ -101,6 +103,19 @@ void ut_failf(struct unit_test_state *uts, const char *fname, int line, } \ } +/* Assert that a pointer is not an error pointer */ +#define ut_assertok_ptr(expr) { \ + const void *val = (expr); \ + \ + if (IS_ERR(val)) { \ + ut_failf(uts, __FILE__, __LINE__, __func__, \ + #expr " = NULL", \ + "Expected pointer, got error %ld", \ + PTR_ERR(val)); \ + return CMD_RET_FAILURE; \ + } \ +} + /* Assert that an operation succeeds (returns 0) */ #define ut_assertok(cond) ut_asserteq(0, cond) diff --git a/include/usb.h b/include/usb.h index dca512d394..cf00ffdf53 100644 --- a/include/usb.h +++ b/include/usb.h @@ -175,9 +175,9 @@ int usb_lowlevel_init(int index, enum usb_init_type init, void **controller); int usb_lowlevel_stop(int index); #if defined(CONFIG_MUSB_HOST) || defined(CONFIG_DM_USB) -int usb_reset_root_port(void); +int usb_reset_root_port(struct usb_device *dev); #else -#define usb_reset_root_port() +#define usb_reset_root_port(dev) #endif int submit_bulk_msg(struct usb_device *dev, unsigned long pipe, @@ -493,15 +493,31 @@ struct usb_device_id { /** * struct usb_driver_entry - Matches a driver to its usb_device_ids - * @compatible: Compatible string - * @data: Data for this compatible string + * @driver: Driver to use + * @match: List of match records for this driver, terminated by {} */ struct usb_driver_entry { struct driver *driver; const struct usb_device_id *match; }; -#define USB_DEVICE(__name, __match) \ +#define USB_DEVICE_ID_MATCH_DEVICE \ + (USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_PRODUCT) + +/** + * USB_DEVICE - macro used to describe a specific usb device + * @vend: the 16 bit USB Vendor ID + * @prod: the 16 bit USB Product ID + * + * This macro is used to create a struct usb_device_id that matches a + * specific device. + */ +#define USB_DEVICE(vend, prod) \ + .match_flags = USB_DEVICE_ID_MATCH_DEVICE, \ + .idVendor = (vend), \ + .idProduct = (prod) + +#define U_BOOT_USB_DEVICE(__name, __match) \ ll_entry_declare(struct usb_driver_entry, __name, usb_driver_entry) = {\ .driver = llsym(struct driver, __name, driver), \ .match = __match, \ @@ -705,15 +721,16 @@ struct dm_usb_ops { * is read). This should be NULL for EHCI, which does not need this. */ int (*alloc_device)(struct udevice *bus, struct usb_device *udev); + + /** + * reset_root_port() - Reset usb root port + */ + int (*reset_root_port)(struct udevice *bus, struct usb_device *udev); }; #define usb_get_ops(dev) ((struct dm_usb_ops *)(dev)->driver->ops) #define usb_get_emul_ops(dev) ((struct dm_usb_ops *)(dev)->driver->ops) -#ifdef CONFIG_MUSB_HOST -int usb_reset_root_port(void); -#endif - /** * usb_get_dev_index() - look up a device index number * @@ -730,26 +747,18 @@ int usb_reset_root_port(void); struct usb_device *usb_get_dev_index(struct udevice *bus, int index); /** - * usb_legacy_port_reset() - Legacy function to reset a hub port - * - * @hub: Hub device - * @portnr: Port number (1=first) - */ -int usb_legacy_port_reset(struct usb_device *hub, int portnr); - -/** * usb_setup_device() - set up a device ready for use * * @dev: USB device pointer. This need not be a real device - it is * common for it to just be a local variable with its ->dev - * member (i.e. @dev->dev) set to the parent device + * member (i.e. @dev->dev) set to the parent device and + * dev->portnr set to the port number on the hub (1=first) * @do_read: true to read the device descriptor before an address is set * (should be false for XHCI buses, true otherwise) * @parent: Parent device (either UCLASS_USB or UCLASS_USB_HUB) - * @portnr: Port number on hub (1=first) or 0 for none * @return 0 if OK, -ve on error */ int usb_setup_device(struct usb_device *dev, bool do_read, - struct usb_device *parent, int portnr); + struct usb_device *parent); /** * usb_hub_scan() - Scan a hub and find its devices diff --git a/include/usb_ether.h b/include/usb_ether.h index 23507e19e6..c6d1416048 100644 --- a/include/usb_ether.h +++ b/include/usb_ether.h @@ -19,25 +19,91 @@ #define ETH_DATA_LEN 1500 /* Max. octets in payload */ #define ETH_FRAME_LEN PKTSIZE_ALIGN /* Max. octets in frame sans FCS */ +/* TODO(sjg@chromium.org): Remove @pusb_dev when all boards use CONFIG_DM_ETH */ struct ueth_data { /* eth info */ - struct eth_device eth_dev; /* used with eth_register */ - int phy_id; /* mii phy id */ +#ifdef CONFIG_DM_ETH + uint8_t *rxbuf; + int rxsize; + int rxlen; /* Total bytes available in rxbuf */ + int rxptr; /* Current position in rxbuf */ +#else + struct eth_device eth_dev; /* used with eth_register */ + /* driver private */ + void *dev_priv; +#endif + int phy_id; /* mii phy id */ /* usb info */ struct usb_device *pusb_dev; /* this usb_device */ - unsigned char ifnum; /* interface number */ - unsigned char ep_in; /* in endpoint */ - unsigned char ep_out; /* out ....... */ - unsigned char ep_int; /* interrupt . */ - unsigned char subclass; /* as in overview */ - unsigned char protocol; /* .............. */ + unsigned char ifnum; /* interface number */ + unsigned char ep_in; /* in endpoint */ + unsigned char ep_out; /* out ....... */ + unsigned char ep_int; /* interrupt . */ + unsigned char subclass; /* as in overview */ + unsigned char protocol; /* .............. */ unsigned char irqinterval; /* Intervall for IRQ Pipe */ - - /* driver private */ - void *dev_priv; }; +#ifdef CONFIG_DM_ETH +/** + * usb_ether_register() - register a new USB ethernet device + * + * This selects the correct USB interface and figures out the endpoints to use. + * + * @dev: USB device + * @ss: Place to put USB ethernet data + * @rxsize: Maximum size to allocate for the receive buffer + * @return 0 if OK, -ve on error + */ +int usb_ether_register(struct udevice *dev, struct ueth_data *ueth, int rxsize); + +/** + * usb_ether_deregister() - deregister a USB ethernet device + * + * @ueth: USB Ethernet device + * @return 0 + */ +int usb_ether_deregister(struct ueth_data *ueth); + +/** + * usb_ether_receive() - recieve a packet from the bulk in endpoint + * + * The packet is stored in the internal buffer ready for processing. + * + * @ueth: USB Ethernet device + * @rxsize: Maximum size to receive + * @return 0 if a packet was received, -EAGAIN if not, -ENOSPC if @rxsize is + * larger than the size passed ot usb_ether_register(), other -ve on error + */ +int usb_ether_receive(struct ueth_data *ueth, int rxsize); + +/** + * usb_ether_get_rx_bytes() - obtain bytes from the internal packet buffer + * + * This should be called repeatedly to obtain packet data until it returns 0. + * After each packet is processed, call usb_ether_advance_rxbuf() to move to + * the next one. + * + * @ueth: USB Ethernet device + * @ptrp: Returns a pointer to the start of the next packet if there is + * one available + * @return number of bytes available, or 0 if none + */ +int usb_ether_get_rx_bytes(struct ueth_data *ueth, uint8_t **ptrp); + +/** + * usb_ether_advance_rxbuf() - Advance to the next packet in the internal buffer + * + * After processing the data returned by usb_ether_get_rx_bytes(), call this + * function to move to the next packet. You must specify the number of bytes + * you have processed in @num_bytes. + * + * @ueth: USB Ethernet device + * @num_bytes: Number of bytes to skip, or -1 to skip all bytes + */ +void usb_ether_advance_rxbuf(struct ueth_data *ueth, int num_bytes); +#else /* * Function definitions for each USB ethernet driver go here * (declaration is unconditional, compilation is conditional) @@ -65,5 +131,6 @@ 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); +#endif #endif /* __USB_ETHER_H__ */ diff --git a/include/vsprintf.h b/include/vsprintf.h index d2fcca3f5a..b5bc9c1d95 100644 --- a/include/vsprintf.h +++ b/include/vsprintf.h @@ -41,6 +41,32 @@ unsigned long long simple_strtoull(const char *cp, char **endp, long simple_strtol(const char *cp, char **endp, unsigned int base); /** + * trailing_strtol() - extract a trailing integer from a string + * + * Given a string this finds a trailing number on the string and returns it. + * For example, "abc123" would return 123. + * + * @str: String to exxamine + * @return training number if found, else -1 + */ +long trailing_strtol(const char *str); + +/** + * trailing_strtoln() - extract a trailing integer from a fixed-length string + * + * Given a fixed-length string this finds a trailing number on the string + * and returns it. For example, "abc123" would return 123. Only the + * characters between @str and @end - 1 are examined. If @end is NULL, it is + * set to str + strlen(str). + * + * @str: String to exxamine + * @end: Pointer to end of string to examine, or NULL to use the + * whole string + * @return training number if found, else -1 + */ +long trailing_strtoln(const char *str, const char *end); + +/** * panic() - Print a message and reset/hang * * Prints a message on the console(s) and then resets. If CONFIG_PANIC_HANG is |
