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avionic design with actual uboot and tooling

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submodule of avionic design uboot bootloader and with included tools to
get you started , read readme.md and readme-tk1-loader.md
This commit is contained in:
Kevin
2026-03-03 21:46:32 +02:00
parent fe3ba02c96
commit 68d74d3181
11967 changed files with 2221897 additions and 0 deletions
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260
u-boot/include/asm-generic/atomic-long.h Normal file
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#ifndef _ASM_GENERIC_ATOMIC_LONG_H
#define _ASM_GENERIC_ATOMIC_LONG_H
/*
* Copyright (C) 2005 Silicon Graphics, Inc.
* Christoph Lameter
*
* Allows to provide arch independent atomic definitions without the need to
* edit all arch specific atomic.h files.
*/
#include <asm/types.h>
/*
* Suppport for atomic_long_t
*
* Casts for parameters are avoided for existing atomic functions in order to
* avoid issues with cast-as-lval under gcc 4.x and other limitations that the
* macros of a platform may have.
*/
#if BITS_PER_LONG == 64
typedef atomic64_t atomic_long_t;
#define ATOMIC_LONG_INIT(i) ATOMIC64_INIT(i)
static inline long atomic_long_read(atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
return (long)atomic64_read(v);
}
static inline void atomic_long_set(atomic_long_t *l, long i)
{
atomic64_t *v = (atomic64_t *)l;
atomic64_set(v, i);
}
static inline void atomic_long_inc(atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
atomic64_inc(v);
}
static inline void atomic_long_dec(atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
atomic64_dec(v);
}
static inline void atomic_long_add(long i, atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
atomic64_add(i, v);
}
static inline void atomic_long_sub(long i, atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
atomic64_sub(i, v);
}
static inline int atomic_long_sub_and_test(long i, atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
return atomic64_sub_and_test(i, v);
}
static inline int atomic_long_dec_and_test(atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
return atomic64_dec_and_test(v);
}
static inline int atomic_long_inc_and_test(atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
return atomic64_inc_and_test(v);
}
static inline int atomic_long_add_negative(long i, atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
return atomic64_add_negative(i, v);
}
static inline long atomic_long_add_return(long i, atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
return (long)atomic64_add_return(i, v);
}
static inline long atomic_long_sub_return(long i, atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
return (long)atomic64_sub_return(i, v);
}
static inline long atomic_long_inc_return(atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
return (long)atomic64_inc_return(v);
}
static inline long atomic_long_dec_return(atomic_long_t *l)
{
atomic64_t *v = (atomic64_t *)l;
return (long)atomic64_dec_return(v);
}
static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u)
{
atomic64_t *v = (atomic64_t *)l;
return (long)atomic64_add_unless(v, a, u);
}
#define atomic_long_inc_not_zero(l) atomic64_inc_not_zero((atomic64_t *)(l))
#define atomic_long_cmpxchg(l, old, new) \
(atomic64_cmpxchg((atomic64_t *)(l), (old), (new)))
#define atomic_long_xchg(v, new) \
(atomic64_xchg((atomic64_t *)(v), (new)))
#else /* BITS_PER_LONG == 64 */
typedef atomic_t atomic_long_t;
#define ATOMIC_LONG_INIT(i) ATOMIC_INIT(i)
static inline long atomic_long_read(atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
return (long)atomic_read(v);
}
static inline void atomic_long_set(atomic_long_t *l, long i)
{
atomic_t *v = (atomic_t *)l;
atomic_set(v, i);
}
static inline void atomic_long_inc(atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
atomic_inc(v);
}
static inline void atomic_long_dec(atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
atomic_dec(v);
}
static inline void atomic_long_add(long i, atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
atomic_add(i, v);
}
static inline void atomic_long_sub(long i, atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
atomic_sub(i, v);
}
#ifndef __UBOOT__
static inline int atomic_long_sub_and_test(long i, atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
return atomic_sub_and_test(i, v);
}
static inline int atomic_long_dec_and_test(atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
return atomic_dec_and_test(v);
}
static inline int atomic_long_inc_and_test(atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
return atomic_inc_and_test(v);
}
static inline int atomic_long_add_negative(long i, atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
return atomic_add_negative(i, v);
}
static inline long atomic_long_add_return(long i, atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
return (long)atomic_add_return(i, v);
}
static inline long atomic_long_sub_return(long i, atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
return (long)atomic_sub_return(i, v);
}
static inline long atomic_long_inc_return(atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
return (long)atomic_inc_return(v);
}
static inline long atomic_long_dec_return(atomic_long_t *l)
{
atomic_t *v = (atomic_t *)l;
return (long)atomic_dec_return(v);
}
static inline long atomic_long_add_unless(atomic_long_t *l, long a, long u)
{
atomic_t *v = (atomic_t *)l;
return (long)atomic_add_unless(v, a, u);
}
#define atomic_long_inc_not_zero(l) atomic_inc_not_zero((atomic_t *)(l))
#define atomic_long_cmpxchg(l, old, new) \
(atomic_cmpxchg((atomic_t *)(l), (old), (new)))
#define atomic_long_xchg(v, new) \
(atomic_xchg((atomic_t *)(v), (new)))
#endif /* __UBOOT__ */
#endif /* BITS_PER_LONG == 64 */
#endif /* _ASM_GENERIC_ATOMIC_LONG_H */

43
u-boot/include/asm-generic/bitops/__ffs.h Normal file
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#ifndef _ASM_GENERIC_BITOPS___FFS_H_
#define _ASM_GENERIC_BITOPS___FFS_H_
#include <asm/types.h>
/**
* __ffs - find first bit in word.
* @word: The word to search
*
* Undefined if no bit exists, so code should check against 0 first.
*/
static __always_inline unsigned long __ffs(unsigned long word)
{
int num = 0;
#if BITS_PER_LONG == 64
if ((word & 0xffffffff) == 0) {
num += 32;
word >>= 32;
}
#endif
if ((word & 0xffff) == 0) {
num += 16;
word >>= 16;
}
if ((word & 0xff) == 0) {
num += 8;
word >>= 8;
}
if ((word & 0xf) == 0) {
num += 4;
word >>= 4;
}
if ((word & 0x3) == 0) {
num += 2;
word >>= 2;
}
if ((word & 0x1) == 0)
num += 1;
return num;
}
#endif /* _ASM_GENERIC_BITOPS___FFS_H_ */

43
u-boot/include/asm-generic/bitops/__fls.h Normal file
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#ifndef _ASM_GENERIC_BITOPS___FLS_H_
#define _ASM_GENERIC_BITOPS___FLS_H_
#include <asm/types.h>
/**
* __fls - find last (most-significant) set bit in a long word
* @word: the word to search
*
* Undefined if no set bit exists, so code should check against 0 first.
*/
static __always_inline unsigned long __fls(unsigned long word)
{
int num = BITS_PER_LONG - 1;
#if BITS_PER_LONG == 64
if (!(word & (~0ul << 32))) {
num -= 32;
word <<= 32;
}
#endif
if (!(word & (~0ul << (BITS_PER_LONG-16)))) {
num -= 16;
word <<= 16;
}
if (!(word & (~0ul << (BITS_PER_LONG-8)))) {
num -= 8;
word <<= 8;
}
if (!(word & (~0ul << (BITS_PER_LONG-4)))) {
num -= 4;
word <<= 4;
}
if (!(word & (~0ul << (BITS_PER_LONG-2)))) {
num -= 2;
word <<= 2;
}
if (!(word & (~0ul << (BITS_PER_LONG-1))))
num -= 1;
return num;
}
#endif /* _ASM_GENERIC_BITOPS___FLS_H_ */

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u-boot/include/asm-generic/bitops/fls.h Normal file
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#ifndef _ASM_GENERIC_BITOPS_FLS_H_
#define _ASM_GENERIC_BITOPS_FLS_H_
/**
* fls - find last (most-significant) bit set
* @x: the word to search
*
* This is defined the same way as ffs.
* Note fls(0) = 0, fls(1) = 1, fls(0x80000000) = 32.
*/
static __always_inline int fls(int x)
{
int r = 32;
if (!x)
return 0;
if (!(x & 0xffff0000u)) {
x <<= 16;
r -= 16;
}
if (!(x & 0xff000000u)) {
x <<= 8;
r -= 8;
}
if (!(x & 0xf0000000u)) {
x <<= 4;
r -= 4;
}
if (!(x & 0xc0000000u)) {
x <<= 2;
r -= 2;
}
if (!(x & 0x80000000u)) {
x <<= 1;
r -= 1;
}
return r;
}
#endif /* _ASM_GENERIC_BITOPS_FLS_H_ */

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u-boot/include/asm-generic/bitops/fls64.h Normal file
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#ifndef _ASM_GENERIC_BITOPS_FLS64_H_
#define _ASM_GENERIC_BITOPS_FLS64_H_
#include <asm/types.h>
/**
* fls64 - find last set bit in a 64-bit word
* @x: the word to search
*
* This is defined in a similar way as the libc and compiler builtin
* ffsll, but returns the position of the most significant set bit.
*
* fls64(value) returns 0 if value is 0 or the position of the last
* set bit if value is nonzero. The last (most significant) bit is
* at position 64.
*/
#if BITS_PER_LONG == 32
static __always_inline int fls64(__u64 x)
{
__u32 h = x >> 32;
if (h)
return fls(h) + 32;
return fls(x);
}
#elif BITS_PER_LONG == 64
static __always_inline int fls64(__u64 x)
{
if (x == 0)
return 0;
return __fls(x) + 1;
}
#else
#error BITS_PER_LONG not 32 or 64
#endif
#endif /* _ASM_GENERIC_BITOPS_FLS64_H_ */

8
u-boot/include/asm-generic/bitsperlong.h Normal file
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#ifndef __ASM_GENERIC_BITS_PER_LONG
#define __ASM_GENERIC_BITS_PER_LONG
#ifndef BITS_PER_LONG_LONG
#define BITS_PER_LONG_LONG 64
#endif
#endif /* __ASM_GENERIC_BITS_PER_LONG */

139
u-boot/include/asm-generic/errno.h Normal file
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/*
* U-Boot - errno.h Error number defines
*
* Copyright (c) 2005-2007 Analog Devices Inc.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _GENERIC_ERRNO_H
#define _GENERIC_ERRNO_H
#define EPERM 1 /* Operation not permitted */
#define ENOENT 2 /* No such file or directory */
#define ESRCH 3 /* No such process */
#define EINTR 4 /* Interrupted system call */
#define EIO 5 /* I/O error */
#define ENXIO 6 /* No such device or address */
#define E2BIG 7 /* Argument list too long */
#define ENOEXEC 8 /* Exec format error */
#define EBADF 9 /* Bad file number */
#define ECHILD 10 /* No child processes */
#define EAGAIN 11 /* Try again */
#define ENOMEM 12 /* Out of memory */
#define EACCES 13 /* Permission denied */
#define EFAULT 14 /* Bad address */
#define ENOTBLK 15 /* Block device required */
#define EBUSY 16 /* Device or resource busy */
#define EEXIST 17 /* File exists */
#define EXDEV 18 /* Cross-device link */
#define ENODEV 19 /* No such device */
#define ENOTDIR 20 /* Not a directory */
#define EISDIR 21 /* Is a directory */
#define EINVAL 22 /* Invalid argument */
#define ENFILE 23 /* File table overflow */
#define EMFILE 24 /* Too many open files */
#define ENOTTY 25 /* Not a typewriter */
#define ETXTBSY 26 /* Text file busy */
#define EFBIG 27 /* File too large */
#define ENOSPC 28 /* No space left on device */
#define ESPIPE 29 /* Illegal seek */
#define EROFS 30 /* Read-only file system */
#define EMLINK 31 /* Too many links */
#define EPIPE 32 /* Broken pipe */
#define EDOM 33 /* Math argument out of domain of func */
#define ERANGE 34 /* Math result not representable */
#define EDEADLK 35 /* Resource deadlock would occur */
#define ENAMETOOLONG 36 /* File name too long */
#define ENOLCK 37 /* No record locks available */
#define ENOSYS 38 /* Function not implemented */
#define ENOTEMPTY 39 /* Directory not empty */
#define ELOOP 40 /* Too many symbolic links encountered */
#define EWOULDBLOCK EAGAIN /* Operation would block */
#define ENOMSG 42 /* No message of desired type */
#define EIDRM 43 /* Identifier removed */
#define ECHRNG 44 /* Channel number out of range */
#define EL2NSYNC 45 /* Level 2 not synchronized */
#define EL3HLT 46 /* Level 3 halted */
#define EL3RST 47 /* Level 3 reset */
#define ELNRNG 48 /* Link number out of range */
#define EUNATCH 49 /* Protocol driver not attached */
#define ENOCSI 50 /* No CSI structure available */
#define EL2HLT 51 /* Level 2 halted */
#define EBADE 52 /* Invalid exchange */
#define EBADR 53 /* Invalid request descriptor */
#define EXFULL 54 /* Exchange full */
#define ENOANO 55 /* No anode */
#define EBADRQC 56 /* Invalid request code */
#define EBADSLT 57 /* Invalid slot */
#define EDEADLOCK EDEADLK
#define EBFONT 59 /* Bad font file format */
#define ENOSTR 60 /* Device not a stream */
#define ENODATA 61 /* No data available */
#define ETIME 62 /* Timer expired */
#define ENOSR 63 /* Out of streams resources */
#define ENONET 64 /* Machine is not on the network */
#define ENOPKG 65 /* Package not installed */
#define EREMOTE 66 /* Object is remote */
#define ENOLINK 67 /* Link has been severed */
#define EADV 68 /* Advertise error */
#define ESRMNT 69 /* Srmount error */
#define ECOMM 70 /* Communication error on send */
#define EPROTO 71 /* Protocol error */
#define EMULTIHOP 72 /* Multihop attempted */
#define EDOTDOT 73 /* RFS specific error */
#define EBADMSG 74 /* Not a data message */
#define EOVERFLOW 75 /* Value too large for defined data type */
#define ENOTUNIQ 76 /* Name not unique on network */
#define EBADFD 77 /* File descriptor in bad state */
#define EREMCHG 78 /* Remote address changed */
#define ELIBACC 79 /* Can not access a needed shared library */
#define ELIBBAD 80 /* Accessing a corrupted shared library */
#define ELIBSCN 81 /* .lib section in a.out corrupted */
#define ELIBMAX 82 /* Attempting to link in too many shared libraries */
#define ELIBEXEC 83 /* Cannot exec a shared library directly */
#define EILSEQ 84 /* Illegal byte sequence */
#define ERESTART 85 /* Interrupted system call should be restarted */
#define ESTRPIPE 86 /* Streams pipe error */
#define EUSERS 87 /* Too many users */
#define ENOTSOCK 88 /* Socket operation on non-socket */
#define EDESTADDRREQ 89 /* Destination address required */
#define EMSGSIZE 90 /* Message too long */
#define EPROTOTYPE 91 /* Protocol wrong type for socket */
#define ENOPROTOOPT 92 /* Protocol not available */
#define EPROTONOSUPPORT 93 /* Protocol not supported */
#define ESOCKTNOSUPPORT 94 /* Socket type not supported */
#define EOPNOTSUPP 95 /* Operation not supported on transport endpoint */
#define EPFNOSUPPORT 96 /* Protocol family not supported */
#define EAFNOSUPPORT 97 /* Address family not supported by protocol */
#define EADDRINUSE 98 /* Address already in use */
#define EADDRNOTAVAIL 99 /* Cannot assign requested address */
#define ENETDOWN 100 /* Network is down */
#define ENETUNREACH 101 /* Network is unreachable */
#define ENETRESET 102 /* Network dropped connection because of reset */
#define ECONNABORTED 103 /* Software caused connection abort */
#define ECONNRESET 104 /* Connection reset by peer */
#define ENOBUFS 105 /* No buffer space available */
#define EISCONN 106 /* Transport endpoint is already connected */
#define ENOTCONN 107 /* Transport endpoint is not connected */
#define ESHUTDOWN 108 /* Cannot send after transport endpoint shutdown */
#define ETOOMANYREFS 109 /* Too many references: cannot splice */
#define ETIMEDOUT 110 /* Connection timed out */
#define ECONNREFUSED 111 /* Connection refused */
#define EHOSTDOWN 112 /* Host is down */
#define EHOSTUNREACH 113 /* No route to host */
#define EALREADY 114 /* Operation already in progress */
#define EINPROGRESS 115 /* Operation now in progress */
#define ESTALE 116 /* Stale NFS file handle */
#define EUCLEAN 117 /* Structure needs cleaning */
#define ENOTNAM 118 /* Not a XENIX named type file */
#define ENAVAIL 119 /* No XENIX semaphores available */
#define EISNAM 120 /* Is a named type file */
#define EREMOTEIO 121 /* Remote I/O error */
#define EDQUOT 122 /* Quota exceeded */
#define ENOMEDIUM 123 /* No medium found */
#define EMEDIUMTYPE 124 /* Wrong medium type */
#endif

146
u-boot/include/asm-generic/global_data.h Normal file
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/*
* Copyright (c) 2012 The Chromium OS Authors.
* (C) Copyright 2002-2010
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef __ASM_GENERIC_GBL_DATA_H
#define __ASM_GENERIC_GBL_DATA_H
/*
* The following data structure is placed in some memory which is
* available very early after boot (like DPRAM on MPC8xx/MPC82xx, or
* some locked parts of the data cache) to allow for a minimum set of
* global variables during system initialization (until we have set
* up the memory controller so that we can use RAM).
*
* Keep it *SMALL* and remember to set GENERATED_GBL_DATA_SIZE > sizeof(gd_t)
*
* Each architecture has its own private fields. For now all are private
*/
#ifndef __ASSEMBLY__
#include <membuff.h>
#include <linux/list.h>
typedef struct global_data {
bd_t *bd;
unsigned long flags;
unsigned int baudrate;
unsigned long cpu_clk; /* CPU clock in Hz! */
unsigned long bus_clk;
/* We cannot bracket this with CONFIG_PCI due to mpc5xxx */
unsigned long pci_clk;
unsigned long mem_clk;
#if defined(CONFIG_LCD) || defined(CONFIG_VIDEO)
unsigned long fb_base; /* Base address of framebuffer mem */
#endif
#if defined(CONFIG_POST) || defined(CONFIG_LOGBUFFER)
unsigned long post_log_word; /* Record POST activities */
unsigned long post_log_res; /* success of POST test */
unsigned long post_init_f_time; /* When post_init_f started */
#endif
#ifdef CONFIG_BOARD_TYPES
unsigned long board_type;
#endif
unsigned long have_console; /* serial_init() was called */
#ifdef CONFIG_PRE_CONSOLE_BUFFER
unsigned long precon_buf_idx; /* Pre-Console buffer index */
#endif
unsigned long env_addr; /* Address of Environment struct */
unsigned long env_valid; /* Checksum of Environment valid? */
unsigned long ram_top; /* Top address of RAM used by U-Boot */
unsigned long relocaddr; /* Start address of U-Boot in RAM */
phys_size_t ram_size; /* RAM size */
#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
#define MEM_RESERVE_SECURE_SECURED 0x1
#define MEM_RESERVE_SECURE_MAINTAINED 0x2
#define MEM_RESERVE_SECURE_ADDR_MASK (~0x3)
/*
* Secure memory addr
* This variable needs maintenance if the RAM base is not zero,
* or if RAM splits into non-consecutive banks. It also has a
* flag indicating the secure memory is marked as secure by MMU.
* Flags used: 0x1 secured
* 0x2 maintained
*/
phys_addr_t secure_ram;
#endif
unsigned long mon_len; /* monitor len */
unsigned long irq_sp; /* irq stack pointer */
unsigned long start_addr_sp; /* start_addr_stackpointer */
unsigned long reloc_off;
struct global_data *new_gd; /* relocated global data */
#ifdef CONFIG_DM
struct udevice *dm_root; /* Root instance for Driver Model */
struct udevice *dm_root_f; /* Pre-relocation root instance */
struct list_head uclass_root; /* Head of core tree */
#endif
#ifdef CONFIG_TIMER
struct udevice *timer; /* Timer instance for Driver Model */
#endif
const void *fdt_blob; /* Our device tree, NULL if none */
void *new_fdt; /* Relocated FDT */
unsigned long fdt_size; /* Space reserved for relocated FDT */
struct jt_funcs *jt; /* jump table */
char env_buf[32]; /* buffer for getenv() before reloc. */
#ifdef CONFIG_TRACE
void *trace_buff; /* The trace buffer */
#endif
#if defined(CONFIG_SYS_I2C)
int cur_i2c_bus; /* current used i2c bus */
#endif
#ifdef CONFIG_SYS_I2C_MXC
void *srdata[10];
#endif
unsigned long timebase_h;
unsigned long timebase_l;
#ifdef CONFIG_SYS_MALLOC_F_LEN
unsigned long malloc_base; /* base address of early malloc() */
unsigned long malloc_limit; /* limit address */
unsigned long malloc_ptr; /* current address */
#endif
#ifdef CONFIG_PCI
struct pci_controller *hose; /* PCI hose for early use */
phys_addr_t pci_ram_top; /* top of region accessible to PCI */
#endif
#ifdef CONFIG_PCI_BOOTDELAY
int pcidelay_done;
#endif
struct udevice *cur_serial_dev; /* current serial device */
struct arch_global_data arch; /* architecture-specific data */
#ifdef CONFIG_CONSOLE_RECORD
struct membuff console_out; /* console output */
struct membuff console_in; /* console input */
#endif
#ifdef CONFIG_DM_VIDEO
ulong video_top; /* Top of video frame buffer area */
ulong video_bottom; /* Bottom of video frame buffer area */
#endif
} gd_t;
#endif
/*
* Global Data Flags - the top 16 bits are reserved for arch-specific flags
*/
#define GD_FLG_RELOC 0x00001 /* Code was relocated to RAM */
#define GD_FLG_DEVINIT 0x00002 /* Devices have been initialized */
#define GD_FLG_SILENT 0x00004 /* Silent mode */
#define GD_FLG_POSTFAIL 0x00008 /* Critical POST test failed */
#define GD_FLG_POSTSTOP 0x00010 /* POST seqeunce aborted */
#define GD_FLG_LOGINIT 0x00020 /* Log Buffer has been initialized */
#define GD_FLG_DISABLE_CONSOLE 0x00040 /* Disable console (in & out) */
#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 */
#define GD_FLG_SKIP_RELOC 0x00800 /* Don't relocate */
#define GD_FLG_RECORD 0x01000 /* Record console */
#define GD_FLG_ENV_DEFAULT 0x02000 /* Default variable flag */
#endif /* __ASM_GENERIC_GBL_DATA_H */

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u-boot/include/asm-generic/gpio.h Normal file
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/*
* Copyright (c) 2011 The Chromium OS Authors.
* Copyright (c) 2011, NVIDIA Corp. All rights reserved.
* SPDX-License-Identifier: GPL-2.0+
*/
#ifndef _ASM_GENERIC_GPIO_H_
#define _ASM_GENERIC_GPIO_H_
/*
* Generic GPIO API for U-Boot
*
* --
* NB: This is deprecated. Please use the driver model functions instead:
*
* - gpio_request_by_name()
* - dm_gpio_get_value() etc.
*
* For now we need a dm_ prefix on some functions to avoid name collision.
* --
*
* GPIOs are numbered from 0 to GPIO_COUNT-1 which value is defined
* by the SOC/architecture.
*
* Each GPIO can be an input or output. If an input then its value can
* be read as 0 or 1. If an output then its value can be set to 0 or 1.
* If you try to write an input then the value is undefined. If you try
* to read an output, barring something very unusual, you will get
* back the value of the output that you previously set.
*
* In some cases the operation may fail, for example if the GPIO number
* is out of range, or the GPIO is not available because its pin is
* being used by another function. In that case, functions may return
* an error value of -1.
*/
/**
* @deprecated Please use driver model instead
* Request a GPIO. This should be called before any of the other functions
* are used on this GPIO.
*
* Note: With driver model, the label is allocated so there is no need for
* the caller to preserve it.
*
* @param gpio GPIO number
* @param label User label for this GPIO
* @return 0 if ok, -1 on error
*/
int gpio_request(unsigned gpio, const char *label);
/**
* @deprecated Please use driver model instead
* Stop using the GPIO. This function should not alter pin configuration.
*
* @param gpio GPIO number
* @return 0 if ok, -1 on error
*/
int gpio_free(unsigned gpio);
/**
* @deprecated Please use driver model instead
* Make a GPIO an input.
*
* @param gpio GPIO number
* @return 0 if ok, -1 on error
*/
int gpio_direction_input(unsigned gpio);
/**
* @deprecated Please use driver model instead
* Make a GPIO an output, and set its value.
*
* @param gpio GPIO number
* @param value GPIO value (0 for low or 1 for high)
* @return 0 if ok, -1 on error
*/
int gpio_direction_output(unsigned gpio, int value);
/**
* @deprecated Please use driver model instead
* Get a GPIO's value. This will work whether the GPIO is an input
* or an output.
*
* @param gpio GPIO number
* @return 0 if low, 1 if high, -1 on error
*/
int gpio_get_value(unsigned gpio);
/**
* @deprecated Please use driver model instead
* Set an output GPIO's value. The GPIO must already be an output or
* this function may have no effect.
*
* @param gpio GPIO number
* @param value GPIO value (0 for low or 1 for high)
* @return 0 if ok, -1 on error
*/
int gpio_set_value(unsigned gpio, int value);
/* State of a GPIO, as reported by get_function() */
enum gpio_func_t {
GPIOF_INPUT = 0,
GPIOF_OUTPUT,
GPIOF_UNUSED, /* Not claimed */
GPIOF_UNKNOWN, /* Not known */
GPIOF_FUNC, /* Not used as a GPIO */
GPIOF_COUNT,
};
struct udevice;
struct gpio_desc {
struct udevice *dev; /* Device, NULL for invalid GPIO */
unsigned long flags;
#define GPIOD_REQUESTED (1 << 0) /* Requested/claimed */
#define GPIOD_IS_OUT (1 << 1) /* GPIO is an output */
#define GPIOD_IS_IN (1 << 2) /* GPIO is an input */
#define GPIOD_ACTIVE_LOW (1 << 3) /* value has active low */
#define GPIOD_IS_OUT_ACTIVE (1 << 4) /* set output active */
uint offset; /* GPIO offset within the device */
/*
* We could consider adding the GPIO label in here. Possibly we could
* use this structure for internal GPIO information.
*/
};
/**
* dm_gpio_is_valid() - Check if a GPIO is valid
*
* @desc: GPIO description containing device, offset and flags,
* previously returned by gpio_request_by_name()
* @return true if valid, false if not
*/
static inline bool dm_gpio_is_valid(const struct gpio_desc *desc)
{
return desc->dev != NULL;
}
/**
* gpio_get_status() - get the current GPIO status as a string
*
* Obtain the current GPIO status as a string which can be presented to the
* user. A typical string is:
*
* "b4: in: 1 [x] sdmmc_cd"
*
* which means this is GPIO bank b, offset 4, currently set to input, current
* value 1, [x] means that it is requested and the owner is 'sdmmc_cd'
*
* TODO(sjg@chromium.org): This should use struct gpio_desc
*
* @dev: Device to check
* @offset: Offset of device GPIO to check
* @buf: Place to put string
* @buffsize: Size of string including \0
*/
int gpio_get_status(struct udevice *dev, int offset, char *buf, int buffsize);
/**
* gpio_get_function() - get the current function for a GPIO pin
*
* Note this returns GPIOF_UNUSED if the GPIO is not requested.
*
* TODO(sjg@chromium.org): This should use struct gpio_desc
*
* @dev: Device to check
* @offset: Offset of device GPIO to check
* @namep: If non-NULL, this is set to the name given when the GPIO
* was requested, or -1 if it has not been requested
* @return -ENODATA if the driver returned an unknown function,
* -ENODEV if the device is not active, -EINVAL if the offset is invalid.
* GPIOF_UNUSED if the GPIO has not been requested. Otherwise returns the
* function from enum gpio_func_t.
*/
int gpio_get_function(struct udevice *dev, int offset, const char **namep);
/**
* gpio_get_raw_function() - get the current raw function for a GPIO pin
*
* Note this does not return GPIOF_UNUSED - it will always return the GPIO
* driver's view of a pin function, even if it is not correctly set up.
*
* TODO(sjg@chromium.org): This should use struct gpio_desc
*
* @dev: Device to check
* @offset: Offset of device GPIO to check
* @namep: If non-NULL, this is set to the name given when the GPIO
* was requested, or -1 if it has not been requested
* @return -ENODATA if the driver returned an unknown function,
* -ENODEV if the device is not active, -EINVAL if the offset is invalid.
* Otherwise returns the function from enum gpio_func_t.
*/
int gpio_get_raw_function(struct udevice *dev, int offset, const char **namep);
/**
* gpio_requestf() - request a GPIO using a format string for the owner
*
* This is a helper function for gpio_request(). It allows you to provide
* a printf()-format string for the GPIO owner. It calls gpio_request() with
* the string that is created
*/
int gpio_requestf(unsigned gpio, const char *fmt, ...)
__attribute__ ((format (__printf__, 2, 3)));
struct fdtdec_phandle_args;
/**
* gpio_xlate_offs_flags() - implementation for common use of dm_gpio_ops.xlate
*
* This routine sets the offset field to args[0] and the flags field to
* GPIOD_ACTIVE_LOW if the GPIO_ACTIVE_LOW flag is present in args[1].
*
*/
int gpio_xlate_offs_flags(struct udevice *dev, struct gpio_desc *desc,
struct fdtdec_phandle_args *args);
/**
* struct struct dm_gpio_ops - Driver model GPIO operations
*
* Refer to functions above for description. These function largely copy
* the old API.
*
* This is trying to be close to Linux GPIO API. Once the U-Boot uses the
* new DM GPIO API, this should be really easy to flip over to the Linux
* GPIO API-alike interface.
*
* Also it would be useful to standardise additional functions like
* pullup, slew rate and drive strength.
*
* gpio_request() and gpio_free() are optional - if NULL then they will
* not be called.
*
* Note that @offset is the offset from the base GPIO of the device. So
* offset 0 is the device's first GPIO and offset o-1 is the last GPIO,
* where o is the number of GPIO lines controlled by the device. A device
* is typically used to control a single bank of GPIOs. Within complex
* SoCs there may be many banks and therefore many devices all referring
* to the different IO addresses within the SoC.
*
* The uclass combines all GPIO devices together to provide a consistent
* numbering from 0 to n-1, where n is the number of GPIOs in total across
* all devices. Be careful not to confuse offset with gpio in the parameters.
*/
struct dm_gpio_ops {
int (*request)(struct udevice *dev, unsigned offset, const char *label);
int (*free)(struct udevice *dev, unsigned offset);
int (*direction_input)(struct udevice *dev, unsigned offset);
int (*direction_output)(struct udevice *dev, unsigned offset,
int value);
int (*get_value)(struct udevice *dev, unsigned offset);
int (*set_value)(struct udevice *dev, unsigned offset, int value);
int (*get_open_drain)(struct udevice *dev, unsigned offset);
int (*set_open_drain)(struct udevice *dev, unsigned offset, int value);
/**
* get_function() Get the GPIO function
*
* @dev: Device to check
* @offset: GPIO offset within that device
* @return current function - GPIOF_...
*/
int (*get_function)(struct udevice *dev, unsigned offset);
/**
* xlate() - Translate phandle arguments into a GPIO description
*
* This function should set up the fields in desc according to the
* information in the arguments. The uclass will have set up:
*
* @desc->dev to @dev
* @desc->flags to 0
* @desc->offset to 0
*
* This method is optional and defaults to gpio_xlate_offs_flags,
* which will parse offset and the GPIO_ACTIVE_LOW flag in the first
* two arguments.
*
* Note that @dev is passed in as a parameter to follow driver model
* uclass conventions, even though it is already available as
* desc->dev.
*
* @dev: GPIO device
* @desc: Place to put GPIO description
* @args: Arguments provided in description
* @return 0 if OK, -ve on error
*/
int (*xlate)(struct udevice *dev, struct gpio_desc *desc,
struct fdtdec_phandle_args *args);
};
/**
* struct gpio_dev_priv - information about a device used by the uclass
*
* The uclass combines all active GPIO devices into a unified numbering
* scheme. To do this it maintains some private information about each
* device.
*
* To implement driver model support in your GPIO driver, add a probe
* handler, and set @gpio_count and @bank_name correctly in that handler.
* This tells the uclass the name of the GPIO bank and the number of GPIOs
* it contains.
*
* @bank_name: Name of the GPIO device (e.g 'a' means GPIOs will be called
* 'A0', 'A1', etc.
* @gpio_count: Number of GPIOs in this device
* @gpio_base: Base GPIO number for this device. For the first active device
* this will be 0; the numbering for others will follow sequentially so that
* @gpio_base for device 1 will equal the number of GPIOs in device 0.
* @name: Array of pointers to the name for each GPIO in this bank. The
* value of the pointer will be NULL if the GPIO has not been claimed.
*/
struct gpio_dev_priv {
const char *bank_name;
unsigned gpio_count;
unsigned gpio_base;
char **name;
};
/* Access the GPIO operations for a device */
#define gpio_get_ops(dev) ((struct dm_gpio_ops *)(dev)->driver->ops)
/**
* gpio_get_bank_info - Return information about a GPIO bank/device
*
* This looks up a device and returns both its GPIO base name and the number
* of GPIOs it controls.
*
* @dev: Device to look up
* @offset_count: Returns number of GPIOs within this bank
* @return bank name of this device
*/
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
* number.
*
* @name: GPIO name to look up
* @devp: Returns pointer to device which contains this GPIO
* @offsetp: Returns the offset number within this device
* @gpiop: Returns the absolute GPIO number, numbered from 0
*/
int gpio_lookup_name(const char *name, struct udevice **devp,
unsigned int *offsetp, unsigned int *gpiop);
/**
* gpio_get_values_as_int() - Turn the values of a list of GPIOs into an int
*
* This puts the value of the first GPIO into bit 0, the second into bit 1,
* etc. then returns the resulting integer.
*
* @gpio_list: List of GPIOs to collect
* @return resulting integer value, or -ve on error
*/
int gpio_get_values_as_int(const int *gpio_list);
/**
* dm_gpio_get_values_as_int() - Turn the values of a list of GPIOs into an int
*
* This puts the value of the first GPIO into bit 0, the second into bit 1,
* etc. then returns the resulting integer.
*
* @desc_list: List of GPIOs to collect
* @count: Number of GPIOs
* @return resulting integer value, or -ve on error
*/
int dm_gpio_get_values_as_int(const struct gpio_desc *desc_list, int count);
/**
* gpio_claim_vector() - claim a number of GPIOs for input
*
* @gpio_num_array: array of gpios to claim, terminated by -1
* @fmt: format string for GPIO names, e.g. "board_id%d"
* @return 0 if OK, -ve on error
*/
int gpio_claim_vector(const int *gpio_num_array, const char *fmt);
/**
* gpio_request_by_name() - Locate and request a GPIO by name
*
* This operates by looking up the given list name in the device (device
* tree property) and requesting the GPIO for use. The property must exist
* in @dev's node.
*
* Use @flags to specify whether the GPIO should be an input or output. In
* principle this can also come from the device tree binding but most
* bindings don't provide this information. Specifically, when the GPIO uclass
* calls the xlate() method, it can return default flags, which are then
* ORed with this @flags.
*
* If we find that requesting the GPIO is not always needed we could add a
* new function or a new GPIOD_NO_REQUEST flag.
*
* At present driver model has no reference counting so if one device
* requests a GPIO which subsequently is unbound, the @desc->dev pointer
* will be invalid. However this will only happen if the GPIO device is
* unbound, not if it is removed, so this seems like a reasonable limitation
* for now. There is no real use case for unbinding drivers in normal
* operation.
*
* The device tree binding is doc/device-tree-bindings/gpio/gpio.txt in
* generate terms and each specific device may add additional details in
* a binding file in the same directory.
*
* @dev: Device requesting the GPIO
* @list_name: Name of GPIO list (e.g. "board-id-gpios")
* @index: Index number of the GPIO in that list use request (0=first)
* @desc: Returns GPIO description information. If there is no such
* GPIO, dev->dev will be NULL.
* @flags: Indicates the GPIO input/output settings (GPIOD_...)
* @return 0 if OK, -ENOENT if the GPIO does not exist, -EINVAL if there is
* something wrong with the list, or other -ve for another error (e.g.
* -EBUSY if a GPIO was already requested)
*/
int gpio_request_by_name(struct udevice *dev, const char *list_name,
int index, struct gpio_desc *desc, int flags);
/**
* gpio_request_list_by_name() - Request a list of GPIOs
*
* Reads all the GPIOs from a list and requests them. See
* gpio_request_by_name() for additional details. Lists should not be
* misused to hold unrelated or optional GPIOs. They should only be used
* for things like parallel data lines. A zero phandle terminates the list
* the list.
*
* This function will either succeed, and request all GPIOs in the list, or
* fail and request none (it will free already-requested GPIOs in case of
* an error part-way through).
*
* @dev: Device requesting the GPIO
* @list_name: Name of GPIO list (e.g. "board-id-gpios")
* @desc_list: Returns a list of GPIO description information
* @max_count: Maximum number of GPIOs to return (@desc_list must be at least
* this big)
* @flags: Indicates the GPIO input/output settings (GPIOD_...)
* @return number of GPIOs requested, or -ve on error
*/
int gpio_request_list_by_name(struct udevice *dev, const char *list_name,
struct gpio_desc *desc_list, int max_count,
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
* details.
*
* @dev: Device requesting the GPIO
* @list_name: Name of GPIO list (e.g. "board-id-gpios")
* @return number of GPIOs (0 for an empty property) or -ENOENT if the list
* does not exist
*/
int gpio_get_list_count(struct udevice *dev, const char *list_name);
/**
* gpio_request_by_name_nodev() - request GPIOs without a device
*
* This is a version of gpio_request_list_by_name() that does not use a
* device. Avoid it unless the caller is not yet using driver model
*/
int gpio_request_by_name_nodev(const void *blob, int node,
const char *list_name,
int index, struct gpio_desc *desc, int flags);
/**
* gpio_request_list_by_name_nodev() - request GPIOs without a device
*
* This is a version of gpio_request_list_by_name() that does not use a
* device. Avoid it unless the caller is not yet using driver model
*/
int gpio_request_list_by_name_nodev(const void *blob, int node,
const char *list_name,
struct gpio_desc *desc_list, int max_count,
int flags);
/**
* dm_gpio_free() - Free a single GPIO
*
* This frees a single GPIOs previously returned from gpio_request_by_name().
*
* @dev: Device which requested the GPIO
* @desc: GPIO to free
* @return 0 if OK, -ve on error
*/
int dm_gpio_free(struct udevice *dev, struct gpio_desc *desc);
/**
* gpio_free_list() - Free a list of GPIOs
*
* This frees a list of GPIOs previously returned from
* gpio_request_list_by_name().
*
* @dev: Device which requested the GPIOs
* @desc: List of GPIOs to free
* @count: Number of GPIOs in the list
* @return 0 if OK, -ve on error
*/
int gpio_free_list(struct udevice *dev, struct gpio_desc *desc, int count);
/**
* gpio_free_list_nodev() - free GPIOs without a device
*
* This is a version of gpio_free_list() that does not use a
* device. Avoid it unless the caller is not yet using driver model
*/
int gpio_free_list_nodev(struct gpio_desc *desc, int count);
/**
* dm_gpio_get_value() - Get the value of a GPIO
*
* This is the driver model version of the existing gpio_get_value() function
* and should be used instead of that.
*
* For now, these functions have a dm_ prefix since they conflict with
* existing names.
*
* @desc: GPIO description containing device, offset and flags,
* previously returned by gpio_request_by_name()
* @return GPIO value (0 for inactive, 1 for active) or -ve on error
*/
int dm_gpio_get_value(const struct gpio_desc *desc);
int dm_gpio_set_value(const struct gpio_desc *desc, int value);
/**
* dm_gpio_get_open_drain() - Check if open-drain-mode of a GPIO is active
*
* This checks if open-drain-mode for a GPIO is enabled or not. This method is
* optional.
*
* @desc: GPIO description containing device, offset and flags,
* previously returned by gpio_request_by_name()
* @return Value of open drain mode for GPIO (0 for inactive, 1 for active) or
* -ve on error
*/
int dm_gpio_get_open_drain(struct gpio_desc *desc);
/**
* dm_gpio_set_open_drain() - Switch open-drain-mode of a GPIO on or off
*
* This enables or disables open-drain mode for a GPIO. This method is
* optional; if the driver does not support it, nothing happens when the method
* is called.
*
* In open-drain mode, instead of actively driving the output (Push-pull
* output), the GPIO's pin is connected to the collector (for a NPN transistor)
* or the drain (for a MOSFET) of a transistor, respectively. The pin then
* either forms an open circuit or a connection to ground, depending on the
* state of the transistor.
*
* @desc: GPIO description containing device, offset and flags,
* previously returned by gpio_request_by_name()
* @return 0 if OK, -ve on error
*/
int dm_gpio_set_open_drain(struct gpio_desc *desc, int value);
/**
* dm_gpio_set_dir() - Set the direction for a GPIO
*
* This sets up the direction according tot the provided flags. It will do
* nothing unless the direction is actually specified.
*
* @desc: GPIO description containing device, offset and flags,
* previously returned by gpio_request_by_name()
* @return 0 if OK, -ve on error
*/
int dm_gpio_set_dir(struct gpio_desc *desc);
/**
* dm_gpio_set_dir_flags() - Set direction using specific flags
*
* This is like dm_gpio_set_dir() except that the flags value is provided
* instead of being used from desc->flags. This is needed because in many
* cases the GPIO description does not include direction information.
* Note that desc->flags is updated by this function.
*
* @desc: GPIO description containing device, offset and flags,
* previously returned by gpio_request_by_name()
* @flags: New flags to use
* @return 0 if OK, -ve on error, in which case desc->flags is not updated
*/
int dm_gpio_set_dir_flags(struct gpio_desc *desc, ulong flags);
/**
* gpio_get_number() - Get the global GPIO number of a GPIO
*
* This should only be used for debugging or interest. It returns the number
* that should be used for gpio_get_value() etc. to access this GPIO.
*
* @desc: GPIO description containing device, offset and flags,
* previously returned by gpio_request_by_name()
* @return GPIO number, or -ve if not found
*/
int gpio_get_number(const struct gpio_desc *desc);
#endif /* _ASM_GENERIC_GPIO_H_ */

105
u-boot/include/asm-generic/ioctl.h Normal file
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@@ -0,0 +1,105 @@
#ifndef _ASM_GENERIC_IOCTL_H
#define _ASM_GENERIC_IOCTL_H
/* ioctl command encoding: 32 bits total, command in lower 16 bits,
* size of the parameter structure in the lower 14 bits of the
* upper 16 bits.
* Encoding the size of the parameter structure in the ioctl request
* is useful for catching programs compiled with old versions
* and to avoid overwriting user space outside the user buffer area.
* The highest 2 bits are reserved for indicating the ``access mode''.
* NOTE: This limits the max parameter size to 16kB -1 !
*/
/*
* The following is for compatibility across the various Linux
* platforms. The generic ioctl numbering scheme doesn't really enforce
* a type field. De facto, however, the top 8 bits of the lower 16
* bits are indeed used as a type field, so we might just as well make
* this explicit here. Please be sure to use the decoding macros
* below from now on.
*/
#define _IOC_NRBITS 8
#define _IOC_TYPEBITS 8
/*
* Let any architecture override either of the following before
* including this file.
*/
#ifndef _IOC_SIZEBITS
# define _IOC_SIZEBITS 14
#endif
#ifndef _IOC_DIRBITS
# define _IOC_DIRBITS 2
#endif
#define _IOC_NRMASK ((1 << _IOC_NRBITS)-1)
#define _IOC_TYPEMASK ((1 << _IOC_TYPEBITS)-1)
#define _IOC_SIZEMASK ((1 << _IOC_SIZEBITS)-1)
#define _IOC_DIRMASK ((1 << _IOC_DIRBITS)-1)
#define _IOC_NRSHIFT 0
#define _IOC_TYPESHIFT (_IOC_NRSHIFT+_IOC_NRBITS)
#define _IOC_SIZESHIFT (_IOC_TYPESHIFT+_IOC_TYPEBITS)
#define _IOC_DIRSHIFT (_IOC_SIZESHIFT+_IOC_SIZEBITS)
/*
* Direction bits, which any architecture can choose to override
* before including this file.
*/
#ifndef _IOC_NONE
# define _IOC_NONE 0U
#endif
#ifndef _IOC_WRITE
# define _IOC_WRITE 1U
#endif
#ifndef _IOC_READ
# define _IOC_READ 2U
#endif
#define _IOC(dir,type,nr,size) \
(((dir) << _IOC_DIRSHIFT) | \
((type) << _IOC_TYPESHIFT) | \
((nr) << _IOC_NRSHIFT) | \
((size) << _IOC_SIZESHIFT))
#ifdef __KERNEL__
/* provoke compile error for invalid uses of size argument */
extern unsigned int __invalid_size_argument_for_IOC;
#define _IOC_TYPECHECK(t) \
((sizeof(t) == sizeof(t[1]) && \
sizeof(t) < (1 << _IOC_SIZEBITS)) ? \
sizeof(t) : __invalid_size_argument_for_IOC)
#else
#define _IOC_TYPECHECK(t) (sizeof(t))
#endif
/* used to create numbers */
#define _IO(type,nr) _IOC(_IOC_NONE,(type),(nr),0)
#define _IOR(type,nr,size) _IOC(_IOC_READ,(type),(nr),(_IOC_TYPECHECK(size)))
#define _IOW(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
#define _IOWR(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),(_IOC_TYPECHECK(size)))
#define _IOR_BAD(type,nr,size) _IOC(_IOC_READ,(type),(nr),sizeof(size))
#define _IOW_BAD(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),sizeof(size))
#define _IOWR_BAD(type,nr,size) _IOC(_IOC_READ|_IOC_WRITE,(type),(nr),sizeof(size))
/* used to decode ioctl numbers.. */
#define _IOC_DIR(nr) (((nr) >> _IOC_DIRSHIFT) & _IOC_DIRMASK)
#define _IOC_TYPE(nr) (((nr) >> _IOC_TYPESHIFT) & _IOC_TYPEMASK)
#define _IOC_NR(nr) (((nr) >> _IOC_NRSHIFT) & _IOC_NRMASK)
#define _IOC_SIZE(nr) (((nr) >> _IOC_SIZESHIFT) & _IOC_SIZEMASK)
/* ...and for the drivers/sound files... */
#define IOC_IN (_IOC_WRITE << _IOC_DIRSHIFT)
#define IOC_OUT (_IOC_READ << _IOC_DIRSHIFT)
#define IOC_INOUT ((_IOC_WRITE|_IOC_READ) << _IOC_DIRSHIFT)
#define IOCSIZE_MASK (_IOC_SIZEMASK << _IOC_SIZESHIFT)
#define IOCSIZE_SHIFT (_IOC_SIZESHIFT)
#endif /* _ASM_GENERIC_IOCTL_H */

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/*
* Copyright (c) 2011 The Chromium OS Authors.
*
* SPDX-License-Identifier: GPL-2.0+
*/
/* Taken from Linux kernel, commit f56c3196 */
#ifndef _ASM_GENERIC_SECTIONS_H_
#define _ASM_GENERIC_SECTIONS_H_
/* References to section boundaries */
extern char _text[], _stext[], _etext[];
extern char _data[], _sdata[], _edata[];
extern char __bss_start[], __bss_stop[];
extern char __init_begin[], __init_end[];
extern char _sinittext[], _einittext[];
extern char _end[], _init[];
extern char __per_cpu_load[], __per_cpu_start[], __per_cpu_end[];
extern char __kprobes_text_start[], __kprobes_text_end[];
extern char __entry_text_start[], __entry_text_end[];
extern char __initdata_begin[], __initdata_end[];
extern char __start_rodata[], __end_rodata[];
/* Start and end of .ctors section - used for constructor calls. */
extern char __ctors_start[], __ctors_end[];
/* function descriptor handling (if any). Override
* in asm/sections.h */
#ifndef dereference_function_descriptor
#define dereference_function_descriptor(p) (p)
#endif
/* random extra sections (if any). Override
* in asm/sections.h */
#ifndef arch_is_kernel_text
static inline int arch_is_kernel_text(unsigned long addr)
{
return 0;
}
#endif
#ifndef arch_is_kernel_data
static inline int arch_is_kernel_data(unsigned long addr)
{
return 0;
}
#endif
/* U-Boot-specific things begin here */
/* Start of U-Boot text region */
extern char __text_start[];
/* This marks the end of the text region which must be relocated */
extern char __image_copy_end[];
/*
* This is the U-Boot entry point - prior to relocation it should be same
* as __text_start
*/
extern void _start(void);
/*
* ARM defines its symbols as char[]. Other arches define them as ulongs.
*/
#ifdef CONFIG_ARM
extern char __bss_start[];
extern char __bss_end[];
extern char __image_copy_start[];
extern char __image_copy_end[];
extern char _image_binary_end[];
extern char __rel_dyn_start[];
extern char __rel_dyn_end[];
#else /* don't use offsets: */
/* Exports from the Linker Script */
extern ulong __data_end;
extern ulong __rel_dyn_start;
extern ulong __rel_dyn_end;
extern ulong __bss_end;
extern ulong _TEXT_BASE; /* code start */
#endif
#endif /* _ASM_GENERIC_SECTIONS_H_ */

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#ifndef __ASM_GENERIC_SIGNAL_H
#define __ASM_GENERIC_SIGNAL_H
#include <linux/types.h>
#define _NSIG 64
#define _NSIG_BPW BITS_PER_LONG
#define _NSIG_WORDS (_NSIG / _NSIG_BPW)
#define SIGHUP 1
#define SIGINT 2
#define SIGQUIT 3
#define SIGILL 4
#define SIGTRAP 5
#define SIGABRT 6
#define SIGIOT 6
#define SIGBUS 7
#define SIGFPE 8
#define SIGKILL 9
#define SIGUSR1 10
#define SIGSEGV 11
#define SIGUSR2 12
#define SIGPIPE 13
#define SIGALRM 14
#define SIGTERM 15
#define SIGSTKFLT 16
#define SIGCHLD 17
#define SIGCONT 18
#define SIGSTOP 19
#define SIGTSTP 20
#define SIGTTIN 21
#define SIGTTOU 22
#define SIGURG 23
#define SIGXCPU 24
#define SIGXFSZ 25
#define SIGVTALRM 26
#define SIGPROF 27
#define SIGWINCH 28
#define SIGIO 29
#define SIGPOLL SIGIO
/*
#define SIGLOST 29
*/
#define SIGPWR 30
#define SIGSYS 31
#define SIGUNUSED 31
/* These should not be considered constants from userland. */
#define SIGRTMIN 32
#ifndef SIGRTMAX
#define SIGRTMAX _NSIG
#endif
/*
* SA_FLAGS values:
*
* SA_ONSTACK indicates that a registered stack_t will be used.
* SA_RESTART flag to get restarting signals (which were the default long ago)
* SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
* SA_RESETHAND clears the handler when the signal is delivered.
* SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
* SA_NODEFER prevents the current signal from being masked in the handler.
*
* SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
* Unix names RESETHAND and NODEFER respectively.
*/
#define SA_NOCLDSTOP 0x00000001
#define SA_NOCLDWAIT 0x00000002
#define SA_SIGINFO 0x00000004
#define SA_ONSTACK 0x08000000
#define SA_RESTART 0x10000000
#define SA_NODEFER 0x40000000
#define SA_RESETHAND 0x80000000
#define SA_NOMASK SA_NODEFER
#define SA_ONESHOT SA_RESETHAND
/*
* New architectures should not define the obsolete
* SA_RESTORER 0x04000000
*/
/*
* sigaltstack controls
*/
#define SS_ONSTACK 1
#define SS_DISABLE 2
#define MINSIGSTKSZ 2048
#define SIGSTKSZ 8192
#ifndef __ASSEMBLY__
typedef struct {
unsigned long sig[_NSIG_WORDS];
} sigset_t;
/* not actually used, but required for linux/syscalls.h */
#endif /* __ASSEMBLY__ */
#endif /* _ASM_GENERIC_SIGNAL_H */

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/*
* Copyright (c) 2011 The Chromium OS Authors.
*
* (C) Copyright 2000 - 2002
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* SPDX-License-Identifier: GPL-2.0+
********************************************************************
* NOTE: This header file defines an interface to U-Boot. Including
* this (unmodified) header file in another file is considered normal
* use of U-Boot, and does *not* fall under the heading of "derived
* work".
********************************************************************
*/
#ifndef __ASM_GENERIC_U_BOOT_H__
#define __ASM_GENERIC_U_BOOT_H__
/*
* Board information passed to Linux kernel from U-Boot
*
* include/asm-ppc/u-boot.h
*/
#ifndef __ASSEMBLY__
typedef struct bd_info {
unsigned long bi_memstart; /* start of DRAM memory */
phys_size_t bi_memsize; /* size of DRAM memory in bytes */
unsigned long bi_flashstart; /* start of FLASH memory */
unsigned long bi_flashsize; /* size of FLASH memory */
unsigned long bi_flashoffset; /* reserved area for startup monitor */
unsigned long bi_sramstart; /* start of SRAM memory */
unsigned long bi_sramsize; /* size of SRAM memory */
#ifdef CONFIG_AVR32
unsigned char bi_phy_id[4]; /* PHY address for ATAG_ETHERNET */
unsigned long bi_board_number;/* ATAG_BOARDINFO */
#endif
#ifdef CONFIG_ARM
unsigned long bi_arm_freq; /* arm frequency */
unsigned long bi_dsp_freq; /* dsp core frequency */
unsigned long bi_ddr_freq; /* ddr frequency */
#endif
#if defined(CONFIG_5xx) || defined(CONFIG_8xx) || defined(CONFIG_MPC8260) \
|| defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
unsigned long bi_immr_base; /* base of IMMR register */
#endif
#if defined(CONFIG_MPC5xxx) || defined(CONFIG_M68K)
unsigned long bi_mbar_base; /* base of internal registers */
#endif
#if defined(CONFIG_MPC83xx)
unsigned long bi_immrbar;
#endif
unsigned long bi_bootflags; /* boot / reboot flag (Unused) */
unsigned long bi_ip_addr; /* IP Address */
unsigned char bi_enetaddr[6]; /* OLD: see README.enetaddr */
unsigned short bi_ethspeed; /* Ethernet speed in Mbps */
unsigned long bi_intfreq; /* Internal Freq, in MHz */
unsigned long bi_busfreq; /* Bus Freq, in MHz */
#if defined(CONFIG_CPM2)
unsigned long bi_cpmfreq; /* CPM_CLK Freq, in MHz */
unsigned long bi_brgfreq; /* BRG_CLK Freq, in MHz */
unsigned long bi_sccfreq; /* SCC_CLK Freq, in MHz */
unsigned long bi_vco; /* VCO Out from PLL, in MHz */
#endif
#if defined(CONFIG_MPC512X)
unsigned long bi_ipsfreq; /* IPS Bus Freq, in MHz */
#endif /* CONFIG_MPC512X */
#if defined(CONFIG_MPC5xxx) || defined(CONFIG_M68K)
unsigned long bi_ipbfreq; /* IPB Bus Freq, in MHz */
unsigned long bi_pcifreq; /* PCI Bus Freq, in MHz */
#endif
#if defined(CONFIG_EXTRA_CLOCK)
unsigned long bi_inpfreq; /* input Freq in MHz */
unsigned long bi_vcofreq; /* vco Freq in MHz */
unsigned long bi_flbfreq; /* Flexbus Freq in MHz */
#endif
#if defined(CONFIG_405) || \
defined(CONFIG_405GP) || \
defined(CONFIG_405EP) || \
defined(CONFIG_405EZ) || \
defined(CONFIG_405EX) || \
defined(CONFIG_440)
unsigned char bi_s_version[4]; /* Version of this structure */
unsigned char bi_r_version[32]; /* Version of the ROM (AMCC) */
unsigned int bi_procfreq; /* CPU (Internal) Freq, in Hz */
unsigned int bi_plb_busfreq; /* PLB Bus speed, in Hz */
unsigned int bi_pci_busfreq; /* PCI Bus speed, in Hz */
unsigned char bi_pci_enetaddr[6]; /* PCI Ethernet MAC address */
#endif
#ifdef CONFIG_HAS_ETH1
unsigned char bi_enet1addr[6]; /* OLD: see README.enetaddr */
#endif
#ifdef CONFIG_HAS_ETH2
unsigned char bi_enet2addr[6]; /* OLD: see README.enetaddr */
#endif
#ifdef CONFIG_HAS_ETH3
unsigned char bi_enet3addr[6]; /* OLD: see README.enetaddr */
#endif
#ifdef CONFIG_HAS_ETH4
unsigned char bi_enet4addr[6]; /* OLD: see README.enetaddr */
#endif
#ifdef CONFIG_HAS_ETH5
unsigned char bi_enet5addr[6]; /* OLD: see README.enetaddr */
#endif
#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
defined(CONFIG_405EZ) || defined(CONFIG_440GX) || \
defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
defined(CONFIG_440EPX) || defined(CONFIG_440GRX) || \
defined(CONFIG_460EX) || defined(CONFIG_460GT)
unsigned int bi_opbfreq; /* OPB clock in Hz */
int bi_iic_fast[2]; /* Use fast i2c mode */
#endif
#if defined(CONFIG_4xx)
#if defined(CONFIG_440GX) || \
defined(CONFIG_460EX) || defined(CONFIG_460GT)
int bi_phynum[4]; /* Determines phy mapping */
int bi_phymode[4]; /* Determines phy mode */
#elif defined(CONFIG_405EP) || defined(CONFIG_405EX) || defined(CONFIG_440)
int bi_phynum[2]; /* Determines phy mapping */
int bi_phymode[2]; /* Determines phy mode */
#else
int bi_phynum[1]; /* Determines phy mapping */
int bi_phymode[1]; /* Determines phy mode */
#endif
#endif /* defined(CONFIG_4xx) */
ulong bi_arch_number; /* unique id for this board */
ulong bi_boot_params; /* where this board expects params */
#ifdef CONFIG_NR_DRAM_BANKS
struct { /* RAM configuration */
phys_addr_t start;
phys_size_t size;
} bi_dram[CONFIG_NR_DRAM_BANKS];
#endif /* CONFIG_NR_DRAM_BANKS */
} bd_t;
#endif /* __ASSEMBLY__ */
#endif /* __ASM_GENERIC_U_BOOT_H__ */

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#ifndef _GENERIC_UNALIGNED_H
#define _GENERIC_UNALIGNED_H
#include <asm/byteorder.h>
#include <linux/unaligned/le_byteshift.h>
#include <linux/unaligned/be_byteshift.h>
#include <linux/unaligned/generic.h>
/*
* Select endianness
*/
#if defined(__LITTLE_ENDIAN)
#define get_unaligned __get_unaligned_le
#define put_unaligned __put_unaligned_le
#elif defined(__BIG_ENDIAN)
#define get_unaligned __get_unaligned_be
#define put_unaligned __put_unaligned_be
#else
#error invalid endian
#endif
#endif