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Merge branch 'master' of git://git.denx.de/u-boot-sunxi

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- Enable DM_MMC support
This commit is contained in:
Tom Rini
2019-01-30 12:24:32 -05:00
parent 748ad078ee a7cca57937
commit 552452f80c
20 changed files with 173 additions and 9 deletions
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53
drivers/mmc/sunxi_mmc.c
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@@ -12,6 +12,8 @@
#include <errno.h>
#include <malloc.h>
#include <mmc.h>
#include <clk.h>
#include <reset.h>
#include <asm/io.h>
#include <asm/arch/clock.h>
#include <asm/arch/cpu.h>
@@ -21,7 +23,6 @@
#ifdef CONFIG_DM_MMC
struct sunxi_mmc_variant {
u16 gate_offset;
u16 mclk_offset;
};
#endif
@@ -607,9 +608,11 @@ static int sunxi_mmc_probe(struct udevice *dev)
struct mmc_uclass_priv *upriv = dev_get_uclass_priv(dev);
struct sunxi_mmc_plat *plat = dev_get_platdata(dev);
struct sunxi_mmc_priv *priv = dev_get_priv(dev);
struct reset_ctl_bulk reset_bulk;
struct clk gate_clk;
struct mmc_config *cfg = &plat->cfg;
struct ofnode_phandle_args args;
u32 *gate_reg, *ccu_reg;
u32 *ccu_reg;
int bus_width, ret;
cfg->name = dev->name;
@@ -641,15 +644,22 @@ static int sunxi_mmc_probe(struct udevice *dev)
priv->mmc_no = ((uintptr_t)priv->reg - SUNXI_MMC0_BASE) / 0x1000;
priv->mclkreg = (void *)ccu_reg +
(priv->variant->mclk_offset + (priv->mmc_no * 4));
gate_reg = (void *)ccu_reg + priv->variant->gate_offset;
setbits_le32(gate_reg, BIT(AHB_GATE_OFFSET_MMC(priv->mmc_no)));
ret = clk_get_by_name(dev, "ahb", &gate_clk);
if (!ret)
clk_enable(&gate_clk);
ret = reset_get_bulk(dev, &reset_bulk);
if (!ret)
reset_deassert_bulk(&reset_bulk);
ret = mmc_set_mod_clk(priv, 24000000);
if (ret)
return ret;
/* This GPIO is optional */
if (!gpio_request_by_name(dev, "cd-gpios", 0, &priv->cd_gpio,
if (!dev_read_bool(dev, "non-removable") &&
!gpio_request_by_name(dev, "cd-gpios", 0, &priv->cd_gpio,
GPIOD_IS_IN)) {
int cd_pin = gpio_get_number(&priv->cd_gpio);
@@ -676,10 +686,17 @@ static int sunxi_mmc_bind(struct udevice *dev)
}
static const struct sunxi_mmc_variant sun4i_a10_variant = {
.gate_offset = 0x60,
.mclk_offset = 0x88,
};
static const struct sunxi_mmc_variant sun9i_a80_variant = {
.mclk_offset = 0x410,
};
static const struct sunxi_mmc_variant sun50i_h6_variant = {
.mclk_offset = 0x830,
};
static const struct udevice_id sunxi_mmc_ids[] = {
{
.compatible = "allwinner,sun4i-a10-mmc",
@@ -693,6 +710,30 @@ static const struct udevice_id sunxi_mmc_ids[] = {
.compatible = "allwinner,sun7i-a20-mmc",
.data = (ulong)&sun4i_a10_variant,
},
{
.compatible = "allwinner,sun8i-a83t-emmc",
.data = (ulong)&sun4i_a10_variant,
},
{
.compatible = "allwinner,sun9i-a80-mmc",
.data = (ulong)&sun9i_a80_variant,
},
{
.compatible = "allwinner,sun50i-a64-mmc",
.data = (ulong)&sun4i_a10_variant,
},
{
.compatible = "allwinner,sun50i-a64-emmc",
.data = (ulong)&sun4i_a10_variant,
},
{
.compatible = "allwinner,sun50i-h6-mmc",
.data = (ulong)&sun50i_h6_variant,
},
{
.compatible = "allwinner,sun50i-h6-emmc",
.data = (ulong)&sun50i_h6_variant,
},
{ /* sentinel */ }
};