build/patch/kernel/archive/sunxi-6.4/patches.megous/soc-rockchip-grf-Fix-SD-card-errors-during-boot-when-bus-width-.patch

52 lines
1.6 KiB
Diff

From c109f33882dcc9647f4544dd927819749117e212 Mon Sep 17 00:00:00 2001
From: Ondrej Jirman <megi@xff.cz>
Date: Mon, 19 Jun 2023 03:04:17 +0200
Subject: [PATCH 466/469] soc: rockchip: grf: Fix SD card errors during boot
when bus-width > 1
RK3588 has the same issue as other earlier RK SoCs. JTAG
functionality muxed to some SDMMC data pins causes issues with SDMMC
interface. Without this patch, I can only use SDMMC inteface
with bus-width = <1>. (JTAG is muxed to data pins D2 and D3)
Signed-off-by: Ondrej Jirman <megi@xff.cz>
---
drivers/soc/rockchip/grf.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/drivers/soc/rockchip/grf.c b/drivers/soc/rockchip/grf.c
index 15a3970e3509..d768c5a70174 100644
--- a/drivers/soc/rockchip/grf.c
+++ b/drivers/soc/rockchip/grf.c
@@ -121,6 +121,17 @@ static const struct rockchip_grf_info rk3566_pipegrf __initconst = {
.num_values = ARRAY_SIZE(rk3566_defaults),
};
+#define RK3588_GRF_SOC_CON6 0x0318
+
+static const struct rockchip_grf_value rk3588_defaults[] __initconst = {
+ { "jtag switching", RK3588_GRF_SOC_CON6, HIWORD_UPDATE(0, 1, 14) },
+};
+
+static const struct rockchip_grf_info rk3588_sysgrf __initconst = {
+ .values = rk3588_defaults,
+ .num_values = ARRAY_SIZE(rk3588_defaults),
+};
+
static const struct of_device_id rockchip_grf_dt_match[] __initconst = {
{
@@ -147,6 +158,9 @@ static const struct of_device_id rockchip_grf_dt_match[] __initconst = {
}, {
.compatible = "rockchip,rk3566-pipe-grf",
.data = (void *)&rk3566_pipegrf,
+ }, {
+ .compatible = "rockchip,rk3588-sys-grf",
+ .data = (void *)&rk3588_sysgrf,
},
{ /* sentinel */ },
};
--
2.34.1