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legoev3: Migrate to DM_I2C

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Perform a basic migration of the calls in setup_serial_number() to DM so
that we can switch to using DM_I2C on this platform.

Cc: David Lechner <david@lechnology.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
Acked-by: David Lechner <david@lechnology.com>
This commit is contained in:
Tom Rini 2022-06-27 13:35:49 -04:00
parent edcbd6e388
commit ba39d90728
2 changed files with 14 additions and 3 deletions
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15
board/lego/ev3/legoev3.c
View file

@ -27,6 +27,7 @@
#include <hwconfig.h> #include <hwconfig.h>
#include <asm/mach-types.h> #include <asm/mach-types.h>
#include <asm/setup.h> #include <asm/setup.h>
#include <dm/uclass.h>
DECLARE_GLOBAL_DATA_PTR; DECLARE_GLOBAL_DATA_PTR;
@ -57,6 +58,8 @@ const int lpsc_size = ARRAY_SIZE(lpsc);
*/ */
static void setup_serial_number(void) static void setup_serial_number(void)
{ {
struct udevice *idev, *ibus;
int ret;
u32 offset; u32 offset;
char serial_number[13]; char serial_number[13];
u8 buf[6]; u8 buf[6];
@ -65,7 +68,15 @@ static void setup_serial_number(void)
if (env_get("serial#")) if (env_get("serial#"))
return; return;
if (i2c_read(EEPROM_I2C_ADDR, EEPROM_REV_OFFSET, 2, buf, 2)) { ret = uclass_get_device_by_seq(UCLASS_I2C, 0, &ibus);
if (ret)
return;
ret = dm_i2c_probe(ibus, EEPROM_I2C_ADDR, 0, &idev);
if (ret)
return;
if (dm_i2c_read(idev, EEPROM_REV_OFFSET, buf, 2)) {
printf("\nEEPROM revision read failed!\n"); printf("\nEEPROM revision read failed!\n");
return; return;
} }
@ -83,7 +94,7 @@ static void setup_serial_number(void)
/* EEPROM rev 3 has Bluetooth address where rev should be */ /* EEPROM rev 3 has Bluetooth address where rev should be */
offset = (eeprom_rev == 3) ? EEPROM_REV_OFFSET : EEPROM_BDADDR_OFFSET; offset = (eeprom_rev == 3) ? EEPROM_REV_OFFSET : EEPROM_BDADDR_OFFSET;
if (i2c_read(EEPROM_I2C_ADDR, offset, 2, buf, 6)) { if (dm_i2c_read(idev, offset, buf, 6)) {
printf("\nEEPROM serial read failed!\n"); printf("\nEEPROM serial read failed!\n");
return; return;
} }

2
configs/legoev3_defconfig
View file

@ -46,7 +46,7 @@ CONFIG_VERSION_VARIABLE=y
# CONFIG_NET is not set # CONFIG_NET is not set
CONFIG_DM=y CONFIG_DM=y
# CONFIG_DM_DEVICE_REMOVE is not set # CONFIG_DM_DEVICE_REMOVE is not set
CONFIG_SYS_I2C_LEGACY=y CONFIG_DM_I2C=y
CONFIG_SYS_I2C_DAVINCI=y CONFIG_SYS_I2C_DAVINCI=y
CONFIG_MTD=y CONFIG_MTD=y
CONFIG_DM_SPI_FLASH=y CONFIG_DM_SPI_FLASH=y