X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=cmd%2Fi2c.c;h=cc01119b2107381d05577a1233c4d3f24e087d33;hb=0d8f35b58cc8458a5263b424896a386429ee49e5;hp=bfddf8be1b9849d5cb9f66262aaaf747896d7396;hpb=9ebc54b8a67b4112e7978493d1d588b3f4e3069b;p=oweals%2Fu-boot.git

diff --git a/cmd/i2c.c b/cmd/i2c.c
index bfddf8be1b..cc01119b21 100644
--- a/cmd/i2c.c
+++ b/cmd/i2c.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /*
  * (C) Copyright 2009
  * Sergey Kubushyn, himself, ksi@koi8.net
@@ -6,8 +7,6 @@
  *
  * (C) Copyright 2001
  * Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com.
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 /*
@@ -72,14 +71,14 @@
 #include <console.h>
 #include <dm.h>
 #include <edid.h>
-#include <environment.h>
 #include <errno.h>
 #include <i2c.h>
+#include <log.h>
 #include <malloc.h>
 #include <asm/byteorder.h>
 #include <linux/compiler.h>
-
-DECLARE_GLOBAL_DATA_PTR;
+#include <linux/delay.h>
+#include <u-boot/crc.h>
 
 /* Display values from last command.
  * Memory modify remembered values are different from display memory.
@@ -291,7 +290,8 @@ static int i2c_report_err(int ret, enum i2c_err_op op)
  * Syntax:
  *	i2c read {i2c_chip} {devaddr}{.0, .1, .2} {len} {memaddr}
  */
-static int do_i2c_read ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_i2c_read(struct cmd_tbl *cmdtp, int flag, int argc,
+		       char *const argv[])
 {
 	uint	chip;
 	uint	devaddr, length;
@@ -344,7 +344,8 @@ static int do_i2c_read ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv
 	return 0;
 }
 
-static int do_i2c_write(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_i2c_write(struct cmd_tbl *cmdtp, int flag, int argc,
+			char *const argv[])
 {
 	uint	chip;
 	uint	devaddr, length;
@@ -435,7 +436,7 @@ static int do_i2c_write(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[
 }
 
 #ifdef CONFIG_DM_I2C
-static int do_i2c_flags(cmd_tbl_t *cmdtp, int flag, int argc,
+static int do_i2c_flags(struct cmd_tbl *cmdtp, int flag, int argc,
 			char *const argv[])
 {
 	struct udevice *dev;
@@ -465,7 +466,8 @@ static int do_i2c_flags(cmd_tbl_t *cmdtp, int flag, int argc,
 	return 0;
 }
 
-static int do_i2c_olen(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+static int do_i2c_olen(struct cmd_tbl *cmdtp, int flag, int argc,
+		       char *const argv[])
 {
 	struct udevice *dev;
 	uint olen;
@@ -510,7 +512,8 @@ static int do_i2c_olen(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
  * Syntax:
  *	i2c md {i2c_chip} {addr}{.0, .1, .2} {len}
  */
-static int do_i2c_md ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_i2c_md(struct cmd_tbl *cmdtp, int flag, int argc,
+		     char *const argv[])
 {
 	uint	chip;
 	uint	addr, length;
@@ -629,7 +632,8 @@ static int do_i2c_md ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]
  * Syntax:
  *	i2c mw {i2c_chip} {addr}{.0, .1, .2} {data} [{count}]
  */
-static int do_i2c_mw ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_i2c_mw(struct cmd_tbl *cmdtp, int flag, int argc,
+		     char *const argv[])
 {
 	uint	chip;
 	ulong	addr;
@@ -715,7 +719,8 @@ static int do_i2c_mw ( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]
  * Syntax:
  *	i2c crc32 {i2c_chip} {addr}{.0, .1, .2} {count}
  */
-static int do_i2c_crc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_i2c_crc(struct cmd_tbl *cmdtp, int flag, int argc,
+		      char *const argv[])
 {
 	uint	chip;
 	ulong	addr;
@@ -772,7 +777,7 @@ static int do_i2c_crc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]
 #endif
 		if (ret)
 			err++;
-		crc = crc32 (crc, &byte, 1);
+		crc = crc32(crc, &byte, 1);
 		addr++;
 	}
 	if (err > 0)
@@ -799,8 +804,8 @@ static int do_i2c_crc (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]
  *	i2c mm{.b, .w, .l} {i2c_chip} {addr}{.0, .1, .2}
  *	i2c nm{.b, .w, .l} {i2c_chip} {addr}{.0, .1, .2}
  */
-static int
-mod_i2c_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char * const argv[])
+static int mod_i2c_mem(struct cmd_tbl *cmdtp, int incrflag, int flag, int argc,
+		       char *const argv[])
 {
 	uint	chip;
 	ulong	addr;
@@ -948,7 +953,8 @@ mod_i2c_mem(cmd_tbl_t *cmdtp, int incrflag, int flag, int argc, char * const arg
  *
  * Returns zero (success) if one or more I2C devices was found
  */
-static int do_i2c_probe (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_i2c_probe(struct cmd_tbl *cmdtp, int flag, int argc,
+			char *const argv[])
 {
 	int j;
 	int addr = -1;
@@ -1023,7 +1029,8 @@ static int do_i2c_probe (cmd_tbl_t *cmdtp, int flag, int argc, char * const argv
  *	{length} - Number of bytes to read
  *	{delay}  - A DECIMAL number and defaults to 1000 uSec
  */
-static int do_i2c_loop(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+static int do_i2c_loop(struct cmd_tbl *cmdtp, int flag, int argc,
+		       char *const argv[])
 {
 	uint	chip;
 	int alen;
@@ -1149,7 +1156,8 @@ static void decode_bits (u_char const b, char const *str[], int const do_once)
  * Syntax:
  *	i2c sdram {i2c_chip}
  */
-static int do_sdram (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+static int do_sdram(struct cmd_tbl *cmdtp, int flag, int argc,
+		    char *const argv[])
 {
 	enum { unknown, EDO, SDRAM, DDR, DDR2, DDR3, DDR4 } type;
 
@@ -1651,7 +1659,7 @@ static int do_sdram (cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
  *	i2c edid {i2c_chip}
  */
 #if defined(CONFIG_I2C_EDID)
-int do_edid(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[])
+int do_edid(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 {
 	uint chip;
 	struct edid1_info edid;
@@ -1718,8 +1726,8 @@ static void show_bus(struct udevice *bus)
  * Returns zero always.
  */
 #if defined(CONFIG_SYS_I2C) || defined(CONFIG_DM_I2C)
-static int do_i2c_show_bus(cmd_tbl_t *cmdtp, int flag, int argc,
-				char * const argv[])
+static int do_i2c_show_bus(struct cmd_tbl *cmdtp, int flag, int argc,
+			   char *const argv[])
 {
 	if (argc == 1) {
 		/* show all busses */
@@ -1805,8 +1813,8 @@ static int do_i2c_show_bus(cmd_tbl_t *cmdtp, int flag, int argc,
  */
 #if defined(CONFIG_SYS_I2C) || defined(CONFIG_I2C_MULTI_BUS) || \
 		defined(CONFIG_DM_I2C)
-static int do_i2c_bus_num(cmd_tbl_t *cmdtp, int flag, int argc,
-				char * const argv[])
+static int do_i2c_bus_num(struct cmd_tbl *cmdtp, int flag, int argc,
+			  char *const argv[])
 {
 	int		ret = 0;
 	int	bus_no;
@@ -1856,7 +1864,8 @@ static int do_i2c_bus_num(cmd_tbl_t *cmdtp, int flag, int argc,
  * Returns zero on success, CMD_RET_USAGE in case of misuse and negative
  * on error.
  */
-static int do_i2c_bus_speed(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+static int do_i2c_bus_speed(struct cmd_tbl *cmdtp, int flag, int argc,
+			    char *const argv[])
 {
 	int speed, ret=0;
 
@@ -1899,7 +1908,8 @@ static int do_i2c_bus_speed(cmd_tbl_t * cmdtp, int flag, int argc, char * const
  * Returns zero on success, CMD_RET_USAGE in case of misuse and negative
  * on error.
  */
-static int do_i2c_mm(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+static int do_i2c_mm(struct cmd_tbl *cmdtp, int flag, int argc,
+		     char *const argv[])
 {
 	return mod_i2c_mem (cmdtp, 1, flag, argc, argv);
 }
@@ -1914,7 +1924,8 @@ static int do_i2c_mm(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
  * Returns zero on success, CMD_RET_USAGE in case of misuse and negative
  * on error.
  */
-static int do_i2c_nm(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+static int do_i2c_nm(struct cmd_tbl *cmdtp, int flag, int argc,
+		     char *const argv[])
 {
 	return mod_i2c_mem (cmdtp, 0, flag, argc, argv);
 }
@@ -1928,7 +1939,8 @@ static int do_i2c_nm(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
  *
  * Returns zero always.
  */
-static int do_i2c_reset(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+static int do_i2c_reset(struct cmd_tbl *cmdtp, int flag, int argc,
+			char *const argv[])
 {
 #if defined(CONFIG_DM_I2C)
 	struct udevice *bus;
@@ -1947,7 +1959,7 @@ static int do_i2c_reset(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv
 	return 0;
 }
 
-static cmd_tbl_t cmd_i2c_sub[] = {
+static struct cmd_tbl cmd_i2c_sub[] = {
 #if defined(CONFIG_SYS_I2C) || defined(CONFIG_DM_I2C)
 	U_BOOT_CMD_MKENT(bus, 1, 1, do_i2c_show_bus, "", ""),
 #endif
@@ -1998,9 +2010,9 @@ static __maybe_unused void i2c_reloc(void)
  * Returns zero on success, CMD_RET_USAGE in case of misuse and negative
  * on error.
  */
-static int do_i2c(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
+static int do_i2c(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
 {
-	cmd_tbl_t *c;
+	struct cmd_tbl *c;
 
 #ifdef CONFIG_NEEDS_MANUAL_RELOC
 	i2c_reloc();
@@ -2026,6 +2038,7 @@ static int do_i2c(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
 static char i2c_help_text[] =
 #if defined(CONFIG_SYS_I2C) || defined(CONFIG_DM_I2C)
 	"bus [muxtype:muxaddr:muxchannel] - show I2C bus info\n"
+	"i2c " /* That's the prefix for the crc32 command below. */
 #endif
 	"crc32 chip address[.0, .1, .2] count - compute CRC32 checksum\n"
 #if defined(CONFIG_SYS_I2C) || \