i.MX6 SOM boot configuration pins
Boot configuration pins
Below table described the available booting options :
IMX-6 Boot | BT_CFG1_7 | BT_CFG1_6 | BT_CFG1_5 | BT_CFG1_4 | BT_CFG2_6 | BT_CFG2_5 | BT_CFG2_4 | BT_CFG2_3 | BT_CFG4_5 | BT_CFG4_4 | BT_CFG4_2 | BT_CFG4_1 | BT_CFG4_0 |
| 011X = eMMC Boot | 00 = 1-bit | 10 = SD3 Boot | XX | XX | ||||||||
| 010X = SD Boot | 00 = 1-bit | 01 = SD2 Boot | XX | XX | ||||||||
| 0011 = Serial ROM Boot | XX | XX | 00 – SPIx_SS0 | 000 – SPI-1 | ||||||||
| 0010 = SATA | XX | X0 | XX | XX | ||||||||
Boot Mode | BT_CFG1_7 | BT_CFG1_6 | BT_CFG1_5 | BT_CFG1_4 | BT_CFG1_3 | BT_CFG1_2 | BT_CFG1_1 | BT_CFG1_0 | BT_CFG2_7 | BT_CFG2_6 | BT_CFG2_5 | BT_CFG2_4 | BT_CFG2_3 | BT_CFG2_2 | BT_CFG2_1 | BT_CFG2_0 |
Schematics signals | DISP1_DATA02 | DISP1_DATA03 | DISP1_DATA04 | DISP1_DATA05 | DISP1_DATA06 | DISP1_DATA07 | DISP1_DATA08 | DISP1_DATA09 | DI1_PIN01 | DI1_D1_CS | DI1_D0_CS | DI1_PIN03 | DI1_PIN02 | DI1_PIN15 | DISP1_DATA00 | DISP1_DATA01 |
i.MX6 Datasheet | EIM_DA7 | EIM_DA7 | EIM_DA5 | EIM_DA4 | EIM_DA3 | EIM_DA2 | EIM_DA1 | EIM_DA0 | EIM_DA15 | EIM_DA14 | EIM_DA13 | EIM_DA12 | EIM_DA11 | EIM_DA10 | EIM_DA9 | EIM_DA8 |
HummingBoard2 Connector | J9/56 | J9/54 | J9/64 | J9/62 | J9/58 | J5001/70 | J5001/55 | J5001/60 | J5001/52 | J5001/49 | J5001/45 | J5001/51 | J5001/41 | J5001/43 | J9/66 | J9/60 |
Boot Mode | BT_CFG3_7 | BT_CFG3_6 | BT_CFG3_5 | BT_CFG3_4 | BT_CFG3_3 | BT_CFG3_2 | BT_CFG3_1 | BT_CFG3_0 | BT_CFG4_7 | BT_CFG4_6 | BT_CFG4_5 | BT_CFG4_4 | BT_CFG4_3 | BT_CFG4_2 | BT_CFG4_1 | BT_CFG4_0 |
Schematics signals | DISP1_DATA18 | DISP1_DATA17 | DISP1_DATA16 | DISP1_DATA15 | DISP1_DATA14 | DISP1_DATA13 | DISP1_DATA12 | DI1_DISP_CLK | EIM_EB3 | EIM_EB2 | ECSPI2_SS0 | DISP1_DATA10 | DISP1_DATA11 | ECSPI2_SS1 | EIM_WAIT | DISP1_DATA19 |
i.MX6 Datasheet | EIM_A23 | EIM_A22 | EIM_A21 | EIM_A20 | EIM_A19 | EIM_A18 | EIM_A17 | EIM_A16 | EIM_EB3 | EIM_EB2 | EIM_RW | EIM_EB1 | EIM_EB0 | EIM_LBA | EIM_WAIT | EIM_A24 |
HummingBoard2 Connector | J5001/56 | J5001/69 | J5001/66 | J5001/62 | J5001/63 | J5001/64 | J5001/59 | J5001/54 | J5001/39 | J5001/37 | J9/32 | J5001/57 | J5001/68 | J9/34 | J5001/1 | J5001/67 |
Below is an example for a start up sequence :
| BT_CFG1_6 | BT_CFG1_5 | BT_CFG2_4 | BT_CFG2_3 |
| DISP1_DATA03 | DISP1_DATA04 | DI1_PIN03 | DI1_PIN02 |
eMMC | 1 | 1 | 1 | 0 |
uSD | 1 | 0 | 0 | 1 |
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