116 lines
2.9 KiB
YAML
116 lines
2.9 KiB
YAML
block/ICACHE:
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description: Instruction Cache Control Registers.
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items:
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- name: CR
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description: ICACHE control register.
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byte_offset: 0
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fieldset: CR
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- name: SR
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description: ICACHE status register.
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byte_offset: 4
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access: Read
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fieldset: SR
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- name: IER
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description: ICACHE interrupt enable register.
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byte_offset: 8
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fieldset: IER
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- name: FCR
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description: ICACHE flag clear register.
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byte_offset: 12
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access: Write
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fieldset: FCR
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- name: HMONR
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description: ICACHE hit monitor register.
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byte_offset: 16
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access: Read
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- name: MMONR
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description: ICACHE miss monitor register.
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byte_offset: 20
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access: Read
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fieldset: MMONR
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fieldset/CR:
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description: ICACHE control register.
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fields:
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- name: EN
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description: EN.
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bit_offset: 0
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bit_size: 1
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- name: CACHEINV
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description: Set by software and cleared by hardware when the BUSYF flag is set (during cache maintenance operation). Writing 0 has no effect.
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bit_offset: 1
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bit_size: 1
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- name: WAYSEL
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description: This bit allows user to choose ICACHE set-associativity. It can be written by software only when cache is disabled (EN = 0).
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bit_offset: 2
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bit_size: 1
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enum: WAYSEL
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- name: HITMEN
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description: Hit monitor enable.
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bit_offset: 16
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bit_size: 1
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- name: MISSMEN
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description: Miss monitor enable.
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bit_offset: 17
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bit_size: 1
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- name: HITMRST
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description: Hit monitor reset.
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bit_offset: 18
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bit_size: 1
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- name: MISSMRST
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description: Miss monitor reset.
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bit_offset: 19
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bit_size: 1
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fieldset/FCR:
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description: ICACHE flag clear register.
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fields:
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- name: CBSYENDF
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description: Clear busy end flag.
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bit_offset: 1
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bit_size: 1
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- name: CERRF
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description: Clear ERRF flag in SR.
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bit_offset: 2
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bit_size: 1
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fieldset/IER:
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description: ICACHE interrupt enable register.
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fields:
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- name: BSYENDIE
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description: Interrupt enable on busy end.
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bit_offset: 1
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bit_size: 1
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- name: ERRIE
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description: Error interrupt on cache error.
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bit_offset: 2
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bit_size: 1
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fieldset/MMONR:
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description: ICACHE miss monitor register.
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fields:
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- name: MISSMON
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description: Miss monitor register.
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bit_offset: 0
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bit_size: 16
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fieldset/SR:
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description: ICACHE status register.
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fields:
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- name: BUSYF
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description: cache busy executing a full invalidate CACHEINV operation.
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bit_offset: 0
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bit_size: 1
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- name: BSYENDF
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description: full invalidate CACHEINV operation finished.
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bit_offset: 1
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bit_size: 1
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- name: ERRF
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description: an error occurred during the operation.
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bit_offset: 2
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bit_size: 1
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enum/WAYSEL:
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bit_size: 1
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variants:
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- name: DirectMapped
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description: direct mapped cache (1-way cache)
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value: 0
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- name: NWaySetAssociative
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description: n-way set associative cache (reset value)
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value: 1
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