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board: toradex: verdin-imx8mm: add 4 GB lpddr4 memory support
authorEmanuele Ghidoli <emanuele.ghidoli@toradex.com>
Tue, 28 May 2024 09:59:37 +0000 (11:59 +0200)
committerFabio Estevam <festevam@gmail.com>
Mon, 3 Jun 2024 15:13:22 +0000 (12:13 -0300)
commit3ca48ec85d15759d875d42cc318c3e8ae8cde514
tree98214adda61017cff66371269f6d75bb00834f28tree | snapshot
parent7e52d6ccfb76e2afc2d183b357abe2a2e2f948cfcommit | diff
board: toradex: verdin-imx8mm: add 4 GB lpddr4 memory support

Add support for MT53E512M32D1ZW-046 IT:C memory.
This 4 GB memory has 17 row bits instead of 16 and requires 380 ns of
tRFC (tRFCab) instead of 280 ns due to increased channel density to 16 Gb.
Both modifications are retro-compatible with previous memories.

Signed-off-by: Emanuele Ghidoli <emanuele.ghidoli@toradex.com>
board/toradex/verdin-imx8mm/lpddr4_timing.c diff | blob | history
My U-Boot fork