Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Jump to bottom

ODROID-N2/C2/C4: Force 40MHz instead of 24MHz as eMMC clock #3319

Merged
merged 1 commit into from
Apr 24, 2024
Merged

ODROID-N2/C2/C4: Force 40MHz instead of 24MHz as eMMC clock #3319

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
19 changes: 11 additions & 8 deletions ...01-HACK-mmc-meson-gx-limit-to-24MHz.patch → ...01-HACK-mmc-meson-gx-limit-to-40MHz.patch
View file
Open in desktop
Original file line number Diff line number Diff line change
@@ -1,26 +1,29 @@
From 11f015e13ef0442b6d2bb734954291abde415f73 Mon Sep 17 00:00:00 2001
From: Neil Armstrong <narmstrong@baylibre.com>
Date: Mon, 2 Sep 2019 15:42:04 +0200
Subject: [PATCH] HACK: mmc: meson-gx: limit to 24MHz
From 820e6f6e3745e988246a1acca4aaacdd759b778f Mon Sep 17 00:00:00 2001
From: Stefan Agner <stefan@agner.ch>
Date: Thu, 18 Apr 2024 18:01:54 +0200
Subject: [PATCH] HACK: mmc: meson-gx: limit to 40MHz

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
This is the limit used by downstream U-Boot for ODROID-N2(+) (odroidg12
branch).

Signed-off-by: Stefan Agner <stefan@agner.ch>
---
drivers/mmc/meson_gx_mmc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mmc/meson_gx_mmc.c b/drivers/mmc/meson_gx_mmc.c
index fcf4f03d1e..6ded4b619b 100644
index fcf4f03d1e..c578ac0f74 100644
--- a/drivers/mmc/meson_gx_mmc.c
+++ b/drivers/mmc/meson_gx_mmc.c
@@ -279,7 +279,7 @@ static int meson_mmc_probe(struct udevice *dev)
cfg->host_caps = MMC_MODE_8BIT | MMC_MODE_4BIT |
MMC_MODE_HS_52MHz | MMC_MODE_HS;
cfg->f_min = DIV_ROUND_UP(SD_EMMC_CLKSRC_24M, CLK_MAX_DIV);
- cfg->f_max = 100000000; /* 100 MHz */
+ cfg->f_max = SD_EMMC_CLKSRC_24M;
+ cfg->f_max = 40000000; /* 40 MHz */
cfg->b_max = 511; /* max 512 - 1 blocks */
cfg->name = dev->name;

--
2.43.0
2.44.0