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path: root/drivers/usb/musb-new
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Diffstat (limited to 'drivers/usb/musb-new')
-rw-r--r--drivers/usb/musb-new/sunxi.c40
1 files changed, 28 insertions, 12 deletions
diff --git a/drivers/usb/musb-new/sunxi.c b/drivers/usb/musb-new/sunxi.c
index aa2880eeb9..d909b9ea53 100644
--- a/drivers/usb/musb-new/sunxi.c
+++ b/drivers/usb/musb-new/sunxi.c
@@ -76,15 +76,20 @@
* From usbc/usbc.c
******************************************************************************/
+#define OFF_SUN6I_AHB_RESET0 0x2c0
+
struct sunxi_musb_config {
struct musb_hdrc_config *config;
+ bool has_reset;
u8 rst_bit;
u8 clkgate_bit;
+ u32 off_reset0;
};
struct sunxi_glue {
struct musb_host_data mdata;
struct sunxi_ccm_reg *ccm;
+ u32 *reg_reset0;
struct sunxi_musb_config *cfg;
struct device dev;
struct phy phy;
@@ -303,12 +308,12 @@ static int sunxi_musb_init(struct musb *musb)
if (glue->cfg->clkgate_bit)
setbits_le32(&glue->ccm->ahb_gate0,
BIT(glue->cfg->clkgate_bit));
-#ifdef CONFIG_SUNXI_GEN_SUN6I
- setbits_le32(&glue->ccm->ahb_reset0_cfg, BIT(AHB_GATE_OFFSET_USB0));
+
+ if (glue->cfg->has_reset)
+ setbits_le32(glue->reg_reset0, BIT(AHB_GATE_OFFSET_USB0));
+
if (glue->cfg->rst_bit)
- setbits_le32(&glue->ccm->ahb_reset0_cfg,
- BIT(glue->cfg->rst_bit));
-#endif
+ setbits_le32(glue->reg_reset0, BIT(glue->cfg->rst_bit));
USBC_ConfigFIFO_Base();
USBC_EnableDpDmPullUp(musb->mregs);
@@ -418,6 +423,8 @@ static int musb_usb_probe(struct udevice *dev)
if (IS_ERR(glue->ccm))
return PTR_ERR(glue->ccm);
+ glue->reg_reset0 = (void *)glue->ccm + glue->cfg->off_reset0;
+
ret = generic_phy_get_by_name(dev, "usb", &glue->phy);
if (ret) {
pr_err("failed to get usb PHY\n");
@@ -468,12 +475,12 @@ static int musb_usb_remove(struct udevice *dev)
musb_stop(host->host);
-#ifdef CONFIG_SUNXI_GEN_SUN6I
- clrbits_le32(&glue->ccm->ahb_reset0_cfg, BIT(AHB_GATE_OFFSET_USB0));
+ if (glue->cfg->has_reset)
+ clrbits_le32(glue->reg_reset0, BIT(AHB_GATE_OFFSET_USB0));
+
if (glue->cfg->rst_bit)
- clrbits_le32(&glue->ccm->ahb_reset0_cfg,
- BIT(glue->cfg->rst_bit));
-#endif
+ clrbits_le32(glue->reg_reset0, BIT(glue->cfg->rst_bit));
+
clrbits_le32(&glue->ccm->ahb_gate0, BIT(AHB_GATE_OFFSET_USB0));
if (glue->cfg->clkgate_bit)
clrbits_le32(&glue->ccm->ahb_gate0,
@@ -487,21 +494,30 @@ static int musb_usb_remove(struct udevice *dev)
static const struct sunxi_musb_config sun4i_a10_cfg = {
.config = &musb_config,
+ .has_reset = false,
+};
+
+static const struct sunxi_musb_config sun6i_a31_cfg = {
+ .config = &musb_config,
+ .has_reset = true,
+ .off_reset0 = OFF_SUN6I_AHB_RESET0,
};
static const struct sunxi_musb_config sun8i_h3_cfg = {
.config = &musb_config_h3,
+ .has_reset = true,
.rst_bit = 23,
.clkgate_bit = 23,
+ .off_reset0 = OFF_SUN6I_AHB_RESET0,
};
static const struct udevice_id sunxi_musb_ids[] = {
{ .compatible = "allwinner,sun4i-a10-musb",
.data = (ulong)&sun4i_a10_cfg },
{ .compatible = "allwinner,sun6i-a31-musb",
- .data = (ulong)&sun4i_a10_cfg },
+ .data = (ulong)&sun6i_a31_cfg },
{ .compatible = "allwinner,sun8i-a33-musb",
- .data = (ulong)&sun4i_a10_cfg },
+ .data = (ulong)&sun6i_a31_cfg },
{ .compatible = "allwinner,sun8i-h3-musb",
.data = (ulong)&sun8i_h3_cfg },
{ }