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[doc,cmdgen] Remove useless text bracketed by BEGIN END CMDGEN
I verified the resulting generated md files are unchanged. Signed-off-by: Guillermo Maturana <[email protected]>
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# Hardware Interfaces | ||
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<!-- BEGIN CMDGEN util/regtool.py --interfaces ./hw/top_${topname}/ip_autogen/clkmgr/data/clkmgr.hjson --> | ||
Referring to the [Comportable guideline for peripheral device functionality](https://opentitan.org/book/doc/contributing/hw/comportability), the module **`clkmgr`** has the following hardware interfaces defined | ||
- Primary Clock: **`clk_i`** | ||
- Other Clocks: **`clk_main_i`**, **`clk_io_i`**, **`clk_usb_i`**, **`clk_aon_i`**, **`clk_io_div2_i`**, **`clk_io_div4_i`** | ||
- Bus Device Interfaces (TL-UL): **`tl`** | ||
- Bus Host Interfaces (TL-UL): *none* | ||
- Peripheral Pins for Chip IO: *none* | ||
- Interrupts: *none* | ||
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${"##"} [Inter-Module Signals](https://opentitan.org/book/doc/contributing/hw/comportability/index.html#inter-signal-handling) | ||
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| Port Name | Package::Struct | Type | Act | Width | Description | | ||
|:------------------|:-------------------------|:--------|:------|--------:|:---------------------------------------------------------| | ||
| clocks | clkmgr_pkg::clkmgr_out | uni | req | 1 | | | ||
| cg_en | clkmgr_pkg::clkmgr_cg_en | uni | req | 1 | | | ||
| lc_hw_debug_en | lc_ctrl_pkg::lc_tx | uni | rcv | 1 | | | ||
| io_clk_byp_req | prim_mubi_pkg::mubi4 | uni | req | 1 | | | ||
| io_clk_byp_ack | prim_mubi_pkg::mubi4 | uni | rcv | 1 | | | ||
| all_clk_byp_req | prim_mubi_pkg::mubi4 | uni | req | 1 | | | ||
| all_clk_byp_ack | prim_mubi_pkg::mubi4 | uni | rcv | 1 | | | ||
| hi_speed_sel | prim_mubi_pkg::mubi4 | uni | req | 1 | | | ||
| div_step_down_req | prim_mubi_pkg::mubi4 | uni | rcv | 1 | | | ||
| lc_clk_byp_req | lc_ctrl_pkg::lc_tx | uni | rcv | 1 | | | ||
| lc_clk_byp_ack | lc_ctrl_pkg::lc_tx | uni | req | 1 | | | ||
| jitter_en | prim_mubi_pkg::mubi4 | uni | req | 1 | | | ||
| pwr | pwr_clk | req_rsp | rsp | 1 | | | ||
| idle | prim_mubi_pkg::mubi4 | uni | rcv | 4 | | | ||
| calib_rdy | prim_mubi_pkg::mubi4 | uni | rcv | 1 | Indicates clocks are calibrated and frequencies accurate | | ||
| tl | tlul_pkg::tl | req_rsp | rsp | 1 | | | ||
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${"##"} Security Alerts | ||
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| Alert Name | Description | | ||
|:-------------|:----------------------------------------------------------------------------------| | ||
| recov_fault | This recoverable alert is triggered when there are measurement errors. | | ||
| fatal_fault | This fatal alert is triggered when a fatal TL-UL bus integrity fault is detected. | | ||
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${"##"} Security Countermeasures | ||
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| Countermeasure ID | Description | | ||
|:-------------------------------------------|:-------------------------------------------------------------| | ||
| CLKMGR.BUS.INTEGRITY | End-to-end bus integrity scheme. | | ||
| CLKMGR.TIMEOUT.CLK.BKGN_CHK | Background check for clock timeout. | | ||
| CLKMGR.MEAS.CLK.BKGN_CHK | Background check for clock frequency. | | ||
| CLKMGR.MEAS.CONFIG.SHADOW | Measurement configurations are shadowed. | | ||
| CLKMGR.IDLE.INTERSIG.MUBI | Idle inputs are multibit encoded. | | ||
| CLKMGR.LC_CTRL.INTERSIG.MUBI | The life cycle control signals are multibit encoded. | | ||
| CLKMGR.LC_CTRL_CLK_HANDSHAKE.INTERSIG.MUBI | The life cycle clock req/ack signals are multibit encoded. | | ||
| CLKMGR.CLK_HANDSHAKE.INTERSIG.MUBI | The external clock req/ack signals are multibit encoded. | | ||
| CLKMGR.DIV.INTERSIG.MUBI | Divider step down request is multibit encoded. | | ||
| CLKMGR.JITTER.CONFIG.MUBI | The jitter enable configuration is multibit encoded. | | ||
| CLKMGR.IDLE.CTR.REDUN | Idle counter is duplicated. | | ||
| CLKMGR.MEAS.CONFIG.REGWEN | The measurement controls protected with regwen. | | ||
| CLKMGR.CLK_CTRL.CONFIG.REGWEN | Software controlled clock requests are proteced with regwen. | | ||
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<!-- END CMDGEN --> |
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