SPRUIM2H May 2020 – October 2023 AM2431 , AM2432 , AM2434 , AM6411 , AM6412 , AM6421 , AM6422 , AM6441 , AM6442
Table 6-1776 lists the memory-mapped registers for the PRU_PROT_PROTECT registers. All register offset addresses not listed in Table 6-1776 should be considered as reserved locations and the register contents should not be modified.
| Instance | Base Address |
|---|---|
| PRU_ICSSG0_PR1_PROT_SLV | 0x3002 4C00h |
| PRU_ICSSG1_PR1_PROT_SLV | 0x300A 4C00h |
| Offset | Acronym | Register Name | PRU_ICSSG0_PR1_PROT_SLV Physical Address | PRU_ICSSG1_PR1_PROT_SLV Physical Address | |
|---|---|---|---|---|---|
| 0h | PROT_UNLOCK_KEY | Unlock key | 3002 4C00h | 300A 4C00h | |
| 4h | PROT_CFG | Config | 3002 4C04h | 300A 4C04h |
PROT_UNLOCK_KEY is shown in Figure 6-889 and described in Table 6-1778.
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Unlock key
| Instance | Physical Address |
|---|---|
| PRU_ICSSG0_PR1_PROT_SLV | 3002 4C00h |
| PRU_ICSSG1_PR1_PROT_SLV | 300A 4C00h |
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 | 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 | 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 | 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| UNLOCK_KEY | |||||||||||||||||||||||||||||||
| R/W-0h | |||||||||||||||||||||||||||||||
| LEGEND: R/W = Read/Write; -n = value after reset |
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
| 31-0 | UNLOCK_KEY | R/W | 0h | UnLock Key Pattern. 0x83E7_0B13 to UnLock. 0x0000_0000 to Lock. Unlock enables update of registers. |
PROT_CFG is shown in Figure 6-890 and described in Table 6-1780.
Return to Summary Table.
Config
| Instance | Physical Address |
|---|---|
| PRU_ICSSG0_PR1_PROT_SLV | 3002 4C04h |
| PRU_ICSSG1_PR1_PROT_SLV | 300A 4C04h |
| 31 | 30 | 29 | 28 | 27 | 26 | 25 | 24 |
| RESERVED | |||||||
| R/W-X | |||||||
| 23 | 22 | 21 | 20 | 19 | 18 | 17 | 16 |
| RESERVED | |||||||
| R/W-X | |||||||
| 15 | 14 | 13 | 12 | 11 | 10 | 9 | 8 |
| RESERVED | |||||||
| R/W-X | |||||||
| 7 | 6 | 5 | 4 | 3 | 2 | 1 | 0 |
| RESERVED | PRU1_DMEM1_LOCK_EN | PRU0_DMEM0_LOCK_EN | ICSS_CFG_WP_EN | RTU1_PRU_WP_EN | RTU0_PRU_WP_EN | PRU1_WP_EN | PRU0_WP_EN |
| R/W-X | R/W-0h | R/W-0h | R/W-0h | R/W-0h | R/W-0h | R/W-0h | R/W-0h |
| LEGEND: R/W = Read/Write; -n = value after reset |
| Bit | Field | Type | Reset | Description |
|---|---|---|---|---|
| 31-7 | RESERVED | R/W | X | |
| 6 | PRU1_DMEM1_LOCK_EN | R/W | 0h | Write Protect DMEM1 0: disable 1: enable When enabled only PRU1 can write to DMEM1 |
| 5 | PRU0_DMEM0_LOCK_EN | R/W | 0h | Write Protect DMEM0 0: disable 1: enable When enabled only PRU0 can write to DMEM0 |
| 4 | ICSS_CFG_WP_EN | R/W | 0h | Write Protect ICSS_CFG 0: disable 1: enable |
| 3 | RTU1_PRU_WP_EN | R/W | 0h | Write Protect RTU1_PRU access Debug IMEM 0: disable 1: enable |
| 2 | RTU0_PRU_WP_EN | R/W | 0h | Write Protect RTU0_PRU access Debug IMEM 0: disable 1: enable |
| 1 | PRU1_WP_EN | R/W | 0h | Write Protect PRU1 and TX_PRU1 access Debug IMEM 0: disable 1: enable |
| 0 | PRU0_WP_EN | R/W | 0h | Write Protect PRU0 and TX_PRU0 access Debug IMEM 0: disable 1: enable |