+// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2009
*
* (C) Copyright 2001
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
/*
#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.
* For legacy code, this is not stored, so we need to use a suitable
* default.
*/
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
#define DEFAULT_ADDR_LEN (-1)
#else
#define DEFAULT_ADDR_LEN 1
#endif
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
static struct udevice *i2c_cur_bus;
static int cmd_i2c_set_bus_num(unsigned int busnum)
static int i2c_get_cur_bus(struct udevice **busp)
{
+#ifdef CONFIG_I2C_SET_DEFAULT_BUS_NUM
+ if (!i2c_cur_bus) {
+ if (cmd_i2c_set_bus_num(CONFIG_I2C_DEFAULT_BUS_NUMBER)) {
+ printf("Default I2C bus %d not found\n",
+ CONFIG_I2C_DEFAULT_BUS_NUMBER);
+ return -ENODEV;
+ }
+ }
+#endif
+
if (!i2c_cur_bus) {
puts("No I2C bus selected\n");
return -ENODEV;
* i2c_init_board() - Board-specific I2C bus init
*
* This function is the default no-op implementation of I2C bus
- * initialization. This function can be overriden by board-specific
+ * initialization. This function can be overridden by board-specific
* implementation if needed.
*/
__weak
*
* Returns I2C bus speed in Hz.
*/
-#if !defined(CONFIG_SYS_I2C) && !defined(CONFIG_DM_I2C)
+#if !defined(CONFIG_SYS_I2C) && !CONFIG_IS_ENABLED(DM_I2C)
/*
* TODO: Implement architecture-specific get/set functions
* Should go away, if we switched completely to new multibus support
* 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;
int alen;
u_char *memaddr;
int ret;
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
struct udevice *dev;
#endif
*/
memaddr = (u_char *)simple_strtoul(argv[4], NULL, 16);
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
ret = i2c_get_cur_bus_chip(chip, &dev);
if (!ret && alen != -1)
ret = i2c_set_chip_offset_len(dev, alen);
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;
int alen;
u_char *memaddr;
int ret;
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
struct udevice *dev;
struct dm_i2c_chip *i2c_chip;
#endif
*/
length = simple_strtoul(argv[4], NULL, 16);
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
ret = i2c_get_cur_bus_chip(chip, &dev);
if (!ret && alen != -1)
ret = i2c_set_chip_offset_len(dev, alen);
if (ret)
return i2c_report_err(ret, I2C_ERR_WRITE);
- i2c_chip = dev_get_parent_platdata(dev);
+ i2c_chip = dev_get_parent_plat(dev);
if (!i2c_chip)
return i2c_report_err(ret, I2C_ERR_WRITE);
#endif
* a page boundary. No write delay upon completion, take this
* into account if linking commands.
*/
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
i2c_chip->flags &= ~DM_I2C_CHIP_WR_ADDRESS;
ret = dm_i2c_write(dev, devaddr, memaddr, length);
#else
* write transactions of one byte each
*/
while (length-- > 0) {
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
i2c_chip->flags |= DM_I2C_CHIP_WR_ADDRESS;
ret = dm_i2c_write(dev, devaddr++, memaddr++, 1);
#else
return 0;
}
-#ifdef CONFIG_DM_I2C
-static int do_i2c_flags(cmd_tbl_t *cmdtp, int flag, int argc,
+#if CONFIG_IS_ENABLED(DM_I2C)
+static int do_i2c_flags(struct cmd_tbl *cmdtp, int flag, int argc,
char *const argv[])
{
struct udevice *dev;
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;
* 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;
int alen;
int j, nbytes, linebytes;
int ret;
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
struct udevice *dev;
#endif
length = simple_strtoul(argv[3], NULL, 16);
}
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
ret = i2c_get_cur_bus_chip(chip, &dev);
if (!ret && alen != -1)
ret = i2c_set_chip_offset_len(dev, alen);
linebytes = (nbytes > DISP_LINE_LEN) ? DISP_LINE_LEN : nbytes;
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
ret = dm_i2c_read(dev, addr, linebuf, linebytes);
#else
ret = i2c_read(chip, addr, alen, linebuf, linebytes);
* 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;
uchar byte;
int count;
int ret;
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
struct udevice *dev;
#endif
if (alen > 3)
return CMD_RET_USAGE;
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
ret = i2c_get_cur_bus_chip(chip, &dev);
if (!ret && alen != -1)
ret = i2c_set_chip_offset_len(dev, alen);
count = 1;
while (count-- > 0) {
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
ret = dm_i2c_write(dev, addr++, &byte, 1);
#else
ret = i2c_write(chip, addr++, alen, &byte, 1);
* 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;
ulong crc;
ulong err;
int ret = 0;
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
struct udevice *dev;
#endif
if (alen > 3)
return CMD_RET_USAGE;
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
ret = i2c_get_cur_bus_chip(chip, &dev);
if (!ret && alen != -1)
ret = i2c_set_chip_offset_len(dev, alen);
crc = 0;
err = 0;
while (count-- > 0) {
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
ret = dm_i2c_read(dev, addr, &byte, 1);
#else
ret = i2c_read(chip, addr, alen, &byte, 1);
#endif
if (ret)
err++;
- crc = crc32 (crc, &byte, 1);
+ crc = crc32(crc, &byte, 1);
addr++;
}
if (err > 0)
* 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;
int size = 1;
int nbytes;
int ret;
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
struct udevice *dev;
#endif
return CMD_RET_USAGE;
}
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
ret = i2c_get_cur_bus_chip(chip, &dev);
if (!ret && alen != -1)
ret = i2c_set_chip_offset_len(dev, alen);
*/
do {
printf("%08lx:", addr);
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
ret = dm_i2c_read(dev, addr, (uchar *)&data, size);
#else
ret = i2c_read(chip, addr, alen, (uchar *)&data, size);
* good enough to not time out
*/
bootretry_reset_cmd_timeout();
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
ret = dm_i2c_write(dev, addr, (uchar *)&data,
size);
#else
*
* 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;
unsigned int bus = GET_BUS_NUM;
#endif /* NOPROBES */
int ret;
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
struct udevice *bus, *dev;
if (i2c_get_cur_bus(&bus))
if (skip)
continue;
#endif
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
ret = dm_i2c_probe(bus, j, 0, &dev);
#else
ret = i2c_probe(j);
* {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;
u_char bytes[16];
int delay;
int ret;
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
struct udevice *dev;
#endif
alen = get_alen(argv[2], DEFAULT_ADDR_LEN);
if (alen > 3)
return CMD_RET_USAGE;
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
ret = i2c_get_cur_bus_chip(chip, &dev);
if (!ret && alen != -1)
ret = i2c_set_chip_offset_len(dev, alen);
* Run the loop...
*/
while (1) {
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
ret = dm_i2c_read(dev, addr, bytes, length);
#else
ret = i2c_read(chip, addr, alen, bytes, length);
* 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, DDR2 } type;
+ enum { unknown, EDO, SDRAM, DDR, DDR2, DDR3, DDR4 } type;
uint chip;
u_char data[128];
u_char cksum;
- int j;
+ int j, ret;
+#if CONFIG_IS_ENABLED(DM_I2C)
+ struct udevice *dev;
+#endif
static const char *decode_CAS_DDR2[] = {
" TBD", " 6", " 5", " 4", " 3", " 2", " TBD", " TBD"
*/
chip = simple_strtoul (argv[1], NULL, 16);
- if (i2c_read (chip, 0, 1, data, sizeof (data)) != 0) {
+#if CONFIG_IS_ENABLED(DM_I2C)
+ ret = i2c_get_cur_bus_chip(chip, &dev);
+ if (!ret)
+ ret = dm_i2c_read(dev, 0, data, sizeof(data));
+#else
+ ret = i2c_read(chip, 0, 1, data, sizeof(data));
+#endif
+ if (ret) {
puts ("No SDRAM Serial Presence Detect found.\n");
return 1;
}
type = SDRAM;
puts ("SDRAM\n");
break;
+ case 7:
+ type = DDR;
+ puts("DDR\n");
+ break;
case 8:
type = DDR2;
puts ("DDR2\n");
break;
+ case 11:
+ type = DDR3;
+ puts("DDR3\n");
+ break;
+ case 12:
+ type = DDR4;
+ puts("DDR4\n");
+ break;
default:
type = unknown;
puts ("unknown\n");
* 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;
int ret;
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
struct udevice *dev;
#endif
}
chip = simple_strtoul(argv[1], NULL, 16);
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
ret = i2c_get_cur_bus_chip(chip, &dev);
if (!ret)
ret = dm_i2c_read(dev, 0, (uchar *)&edid, sizeof(edid));
}
#endif /* CONFIG_I2C_EDID */
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
static void show_bus(struct udevice *bus)
{
struct udevice *dev;
- printf("Bus %d:\t%s", bus->req_seq, bus->name);
+ printf("Bus %d:\t%s", dev_seq(bus), bus->name);
if (device_active(bus))
- printf(" (active %d)", bus->seq);
+ printf(" (active %d)", dev_seq(bus));
printf("\n");
for (device_find_first_child(bus, &dev);
dev;
device_find_next_child(&dev)) {
- struct dm_i2c_chip *chip = dev_get_parent_platdata(dev);
+ struct dm_i2c_chip *chip = dev_get_parent_plat(dev);
printf(" %02x: %s, offset len %x, flags %x\n",
chip->chip_addr, dev->name, chip->offset_len,
*
* 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[])
+#if defined(CONFIG_SYS_I2C) || CONFIG_IS_ENABLED(DM_I2C)
+static int do_i2c_show_bus(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
{
if (argc == 1) {
/* show all busses */
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
struct udevice *bus;
struct uclass *uc;
int ret;
/* show specific bus */
i = simple_strtoul(argv[1], NULL, 10);
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
struct udevice *bus;
int ret;
* on error.
*/
#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[])
+ CONFIG_IS_ENABLED(DM_I2C)
+static int do_i2c_bus_num(struct cmd_tbl *cmdtp, int flag, int argc,
+ char *const argv[])
{
int ret = 0;
int bus_no;
if (argc == 1) {
/* querying current setting */
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
struct udevice *bus;
if (!i2c_get_cur_bus(&bus))
- bus_no = bus->seq;
+ bus_no = dev_seq(bus);
else
bus_no = -1;
#else
}
#endif
printf("Setting bus to %d\n", bus_no);
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
ret = cmd_i2c_set_bus_num(bus_no);
#else
ret = i2c_set_bus_num(bus_no);
* 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;
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
struct udevice *bus;
if (i2c_get_cur_bus(&bus))
return 1;
#endif
if (argc == 1) {
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
speed = dm_i2c_get_bus_speed(bus);
#else
speed = i2c_get_bus_speed();
} else {
speed = simple_strtoul(argv[1], NULL, 10);
printf("Setting bus speed to %d Hz\n", speed);
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
ret = dm_i2c_set_bus_speed(bus, speed);
#else
ret = i2c_set_bus_speed(speed);
* 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);
}
* 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);
}
*
* 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)
+#if CONFIG_IS_ENABLED(DM_I2C)
struct udevice *bus;
if (i2c_get_cur_bus(&bus))
return 0;
}
-static cmd_tbl_t cmd_i2c_sub[] = {
-#if defined(CONFIG_SYS_I2C) || defined(CONFIG_DM_I2C)
+static struct cmd_tbl cmd_i2c_sub[] = {
+#if defined(CONFIG_SYS_I2C) || CONFIG_IS_ENABLED(DM_I2C)
U_BOOT_CMD_MKENT(bus, 1, 1, do_i2c_show_bus, "", ""),
#endif
U_BOOT_CMD_MKENT(crc32, 3, 1, do_i2c_crc, "", ""),
#if defined(CONFIG_SYS_I2C) || \
- defined(CONFIG_I2C_MULTI_BUS) || defined(CONFIG_DM_I2C)
+ defined(CONFIG_I2C_MULTI_BUS) || CONFIG_IS_ENABLED(DM_I2C)
U_BOOT_CMD_MKENT(dev, 1, 1, do_i2c_bus_num, "", ""),
#endif /* CONFIG_I2C_MULTI_BUS */
#if defined(CONFIG_I2C_EDID)
U_BOOT_CMD_MKENT(probe, 0, 1, do_i2c_probe, "", ""),
U_BOOT_CMD_MKENT(read, 5, 1, do_i2c_read, "", ""),
U_BOOT_CMD_MKENT(write, 6, 0, do_i2c_write, "", ""),
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
U_BOOT_CMD_MKENT(flags, 2, 1, do_i2c_flags, "", ""),
U_BOOT_CMD_MKENT(olen, 2, 1, do_i2c_olen, "", ""),
#endif
* 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();
/***************************************************/
#ifdef CONFIG_SYS_LONGHELP
static char i2c_help_text[] =
-#if defined(CONFIG_SYS_I2C) || defined(CONFIG_DM_I2C)
+#if defined(CONFIG_SYS_I2C) || CONFIG_IS_ENABLED(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) || \
- defined(CONFIG_I2C_MULTI_BUS) || defined(CONFIG_DM_I2C)
+ defined(CONFIG_I2C_MULTI_BUS) || CONFIG_IS_ENABLED(DM_I2C)
"i2c dev [dev] - show or set current I2C bus\n"
#endif /* CONFIG_I2C_MULTI_BUS */
#if defined(CONFIG_I2C_EDID)
"i2c read chip address[.0, .1, .2] length memaddress - read to memory\n"
"i2c write memaddress chip address[.0, .1, .2] length [-s] - write memory\n"
" to I2C; the -s option selects bulk write in a single transaction\n"
-#ifdef CONFIG_DM_I2C
+#if CONFIG_IS_ENABLED(DM_I2C)
"i2c flags chip [flags] - set or get chip flags\n"
"i2c olen chip [offset_length] - set or get chip offset length\n"
#endif
projects / J-u-boot.git / blobdiff