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https://github.com/armbian/build
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64 lines
1.7 KiB
Diff
64 lines
1.7 KiB
Diff
From 6b011e0bf404a7ebed07c535213ae54035544171 Mon Sep 17 00:00:00 2001
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From: Tiandi Zhou <zhoutiandi@sipeed.com>
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Date: Fri, 19 Jan 2024 11:57:49 +0800
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Subject: [PATCH 7/8] lpi3h: drivers: emmc: add emmc boot support
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---
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arch/arm/dts/sun50i-h618-longanpi-3h.dts | 1 -
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drivers/mmc/sunxi_mmc.c | 11 ++++++++++-
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2 files changed, 10 insertions(+), 2 deletions(-)
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diff --git a/arch/arm/dts/sun50i-h618-longanpi-3h.dts b/arch/arm/dts/sun50i-h618-longanpi-3h.dts
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index b0ff07ce72..4965cbd345 100644
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--- a/arch/arm/dts/sun50i-h618-longanpi-3h.dts
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+++ b/arch/arm/dts/sun50i-h618-longanpi-3h.dts
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@@ -100,7 +100,6 @@
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cap-mmc-hw-reset;
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mmc-ddr-1_8v;
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mmc-hs200-1_8v;
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- mmc-hs400-1_8v;
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status = "okay";
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};
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diff --git a/drivers/mmc/sunxi_mmc.c b/drivers/mmc/sunxi_mmc.c
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index 4d6351bf27..074b08ac5d 100644
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--- a/drivers/mmc/sunxi_mmc.c
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+++ b/drivers/mmc/sunxi_mmc.c
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@@ -540,6 +540,10 @@ struct mmc *sunxi_mmc_init(int sdc_no)
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cfg->f_min = 400000;
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cfg->f_max = 52000000;
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+ if(sdc_no==2) {
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+ cfg->f_max = 20000000;
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+ }
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+
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if (mmc_resource_init(sdc_no) != 0)
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return NULL;
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@@ -636,9 +640,10 @@ static int sunxi_mmc_probe(struct udevice *dev)
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struct mmc_config *cfg = &plat->cfg;
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struct ofnode_phandle_args args;
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u32 *ccu_reg;
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- int ret;
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+ int bus_width, ret;
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cfg->name = dev->name;
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+ bus_width = dev_read_u32_default(dev, "bus-width", 1);
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cfg->voltages = MMC_VDD_32_33 | MMC_VDD_33_34;
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cfg->host_caps = MMC_MODE_HS_52MHz | MMC_MODE_HS;
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@@ -651,6 +656,10 @@ static int sunxi_mmc_probe(struct udevice *dev)
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if (ret)
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return ret;
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+ if (bus_width == 8) {
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+ cfg->f_max = 20000000;
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+ }
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+
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priv->reg = dev_read_addr_ptr(dev);
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/* We don't have a sunxi clock driver so find the clock address here */
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--
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2.34.1
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