RDRAM: Difference between revisions

RDRAM (view source)

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Clarify that MI_MODE_REG = 0x10f is a prerequisite for RDRAM delay configuration and what should be written where

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Revision as of 20:13, 12 October 2023 (view source) Bsmiles32 (talk \| contribs) m (Update RDRAM_DELAY_REG programming caution) ← Older edit		Revision as of 20:33, 12 October 2023 (view source) Bsmiles32 (talk \| contribs) m (Clarify that MI_MODE_REG = 0x10f is a prerequisite for RDRAM delay configuration and what should be written where) Newer edit →
Line 586: 4. a. Force RI_MODE standby, enable R/T stop b. wait using countdown(32) 5. a. Set MI INIT mode + length=15 by writing 0x10f to [MI_MODE_REG] 6. a b. Setup all RDRAM delays (AckWin=35,Read=17,Ack=53,Write=71) by writing 0x18082838 to [0xa3f80004] [bcast] 6. ba. Setup all RDRAM refresh row to 0 [bcast] cb. Move all RDRAM modules to top of address space deviceid = 0x80000000 [bcast] 7. a. compute rdram reg space size (reg_step) based on RCP version (RCPv1: 128, RCPv2: 256) b. init top rdram reg pointer (RDRAM_REGS_BASE + 32 * reg_step)