diff options
| -rw-r--r-- | board/lego/ev3/legoev3.c | 85 | ||||
| -rw-r--r-- | configs/legoev3_defconfig | 1 | ||||
| -rw-r--r-- | include/configs/legoev3.h | 2 |
3 files changed, 40 insertions, 48 deletions
diff --git a/board/lego/ev3/legoev3.c b/board/lego/ev3/legoev3.c index 51b669a..9ef3e12 100644 --- a/board/lego/ev3/legoev3.c +++ b/board/lego/ev3/legoev3.c @@ -13,6 +13,7 @@ */ #include <common.h> +#include <env.h> #include <i2c.h> #include <init.h> #include <spi.h> @@ -28,11 +29,9 @@ DECLARE_GLOBAL_DATA_PTR; -u8 board_rev; - #define EEPROM_I2C_ADDR 0x50 #define EEPROM_REV_OFFSET 0x3F00 -#define EEPROM_MAC_OFFSET 0x3F06 +#define EEPROM_BDADDR_OFFSET 0x3F06 const struct pinmux_resource pinmuxes[] = { PINMUX_ITEM(spi0_pins_base), @@ -52,59 +51,46 @@ const struct lpsc_resource lpsc[] = { const int lpsc_size = ARRAY_SIZE(lpsc); -u32 get_board_rev(void) -{ - u8 buf[2]; - - if (!board_rev) { - if (i2c_read(EEPROM_I2C_ADDR, EEPROM_REV_OFFSET, 2, buf, 2)) { - printf("\nBoard revision read failed!\n"); - } else { - /* - * Board rev 3 has MAC address at EEPROM_REV_OFFSET. - * Other revisions have checksum at EEPROM_REV_OFFSET+1 - * to detect this. - */ - if ((buf[0] ^ buf[1]) == 0xFF) - board_rev = buf[0]; - else - board_rev = 3; - } - } - - return board_rev; -} - /* - * The Bluetooth MAC address serves as the board serial number. + * The Bluetooth address serves as the board serial number. */ -void get_board_serial(struct tag_serialnr *serialnr) +static void setup_serial_number(void) { u32 offset; + char serial_number[13]; u8 buf[6]; + u8 eeprom_rev; + + if (env_get("serial#")) + return; + + if (i2c_read(EEPROM_I2C_ADDR, EEPROM_REV_OFFSET, 2, buf, 2)) { + printf("\nEEPROM revision read failed!\n"); + return; + } - if (!board_rev) - board_rev = get_board_rev(); + /* + * EEPROM rev 3 has Bluetooth address at EEPROM_REV_OFFSET. + * Other revisions have checksum at EEPROM_REV_OFFSET+1 + * to detect this. + */ + if ((buf[0] ^ buf[1]) == 0xFF) + eeprom_rev = buf[0]; + else + eeprom_rev = 3; - /* Board rev 3 has MAC address where rev should be */ - offset = (board_rev == 3) ? EEPROM_REV_OFFSET : EEPROM_MAC_OFFSET; + /* EEPROM rev 3 has Bluetooth address where rev should be */ + offset = (eeprom_rev == 3) ? EEPROM_REV_OFFSET : EEPROM_BDADDR_OFFSET; if (i2c_read(EEPROM_I2C_ADDR, offset, 2, buf, 6)) { - printf("\nBoard serial read failed!\n"); - } else { - u8 *nr; - - nr = (u8 *)&serialnr->low; - nr[0] = buf[5]; - nr[1] = buf[4]; - nr[2] = buf[3]; - nr[3] = buf[2]; - nr = (u8 *)&serialnr->high; - nr[0] = buf[1]; - nr[1] = buf[0]; - nr[2] = 0; - nr[3] = 0; + printf("\nEEPROM serial read failed!\n"); + return; } + + sprintf(serial_number, "%02X%02X%02X%02X%02X%02X", + buf[0], buf[1], buf[2], buf[3], buf[4], buf[5]); + + env_set("serial#", serial_number); } int board_early_init_f(void) @@ -150,3 +136,10 @@ int board_init(void) return 0; } + +int board_late_init(void) +{ + setup_serial_number(); + + return 0; +} diff --git a/configs/legoev3_defconfig b/configs/legoev3_defconfig index 7aff11c..fb0c4dc 100644 --- a/configs/legoev3_defconfig +++ b/configs/legoev3_defconfig @@ -12,6 +12,7 @@ CONFIG_AUTOBOOT_STOP_STR="l" # CONFIG_DISPLAY_CPUINFO is not set # CONFIG_DISPLAY_BOARDINFO is not set CONFIG_BOARD_EARLY_INIT_F=y +CONFIG_BOARD_LATE_INIT=y CONFIG_HUSH_PARSER=y CONFIG_CMD_ASKENV=y CONFIG_CRC32_VERIFY=y diff --git a/include/configs/legoev3.h b/include/configs/legoev3.h index a5f7fab..ca96683 100644 --- a/include/configs/legoev3.h +++ b/include/configs/legoev3.h @@ -65,8 +65,6 @@ #define LINUX_BOOT_PARAM_ADDR (PHYS_SDRAM_1 + 0x100) #define CONFIG_HWCONFIG /* enable hwconfig */ #define CONFIG_CMDLINE_TAG -#define CONFIG_REVISION_TAG -#define CONFIG_SERIAL_TAG #define CONFIG_SETUP_MEMORY_TAGS #define CONFIG_SETUP_INITRD_TAG #define CONFIG_BOOTCOMMAND \ |