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@@ -26,17 +26,12 @@
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#include <asm/arch/gpio.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/usb_phy.h>
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#include <asm/arch/usb_phy.h>
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#include <asm-generic/gpio.h>
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#include <asm-generic/gpio.h>
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+#include <dm/lists.h>
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+#include <dm/root.h>
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+#include <linux/usb/musb.h>
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#include "linux-compat.h"
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#include "linux-compat.h"
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#include "musb_core.h"
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#include "musb_core.h"
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-#ifdef CONFIG_AXP152_POWER
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-#include <axp152.h>
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-#endif
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-#ifdef CONFIG_AXP209_POWER
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-#include <axp209.h>
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-#endif
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-#ifdef CONFIG_AXP221_POWER
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-#include <axp221.h>
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-#endif
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+#include "musb_uboot.h"
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/******************************************************************************
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/******************************************************************************
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******************************************************************************
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******************************************************************************
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@@ -201,6 +196,8 @@ static bool enabled = false;
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static int sunxi_musb_enable(struct musb *musb)
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static int sunxi_musb_enable(struct musb *musb)
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{
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{
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+ int ret;
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+
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pr_debug("%s():\n", __func__);
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pr_debug("%s():\n", __func__);
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if (enabled)
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if (enabled)
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@@ -209,8 +206,19 @@ static int sunxi_musb_enable(struct musb *musb)
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/* select PIO mode */
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/* select PIO mode */
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musb_writeb(musb->mregs, USBC_REG_o_VEND0, 0);
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musb_writeb(musb->mregs, USBC_REG_o_VEND0, 0);
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- if (is_host_enabled(musb))
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+ if (is_host_enabled(musb)) {
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+ ret = sunxi_usb_phy_vbus_detect(0);
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+ if (ret == 1) {
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+ printf("A charger is plugged into the OTG: ");
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+ return -ENODEV;
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+ }
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+ ret = sunxi_usb_phy_id_detect(0);
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+ if (ret == 1) {
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+ printf("No host cable detected: ");
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+ return -ENODEV;
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+ }
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sunxi_usb_phy_power_on(0); /* port power on */
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sunxi_usb_phy_power_on(0); /* port power on */
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+ }
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USBC_ForceVbusValidToHigh(musb->mregs);
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USBC_ForceVbusValidToHigh(musb->mregs);
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@@ -237,18 +245,9 @@ static void sunxi_musb_disable(struct musb *musb)
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static int sunxi_musb_init(struct musb *musb)
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static int sunxi_musb_init(struct musb *musb)
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{
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{
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struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
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struct sunxi_ccm_reg *ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE;
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- int err;
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pr_debug("%s():\n", __func__);
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pr_debug("%s():\n", __func__);
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- if (is_host_enabled(musb)) {
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- err = sunxi_usb_phy_vbus_detect(0);
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- if (err) {
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- eprintf("Error: A charger is plugged into the OTG\n");
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- return -EIO;
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- }
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- }
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-
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musb->isr = sunxi_musb_interrupt;
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musb->isr = sunxi_musb_interrupt;
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setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_USB0);
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setbits_le32(&ccm->ahb_gate0, 1 << AHB_GATE_OFFSET_USB0);
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@@ -273,8 +272,86 @@ static int sunxi_musb_init(struct musb *musb)
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return 0;
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return 0;
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}
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}
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-const struct musb_platform_ops sunxi_musb_ops = {
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+static const struct musb_platform_ops sunxi_musb_ops = {
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.init = sunxi_musb_init,
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.init = sunxi_musb_init,
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.enable = sunxi_musb_enable,
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.enable = sunxi_musb_enable,
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.disable = sunxi_musb_disable,
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.disable = sunxi_musb_disable,
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};
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};
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+
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+static struct musb_hdrc_config musb_config = {
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+ .multipoint = 1,
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+ .dyn_fifo = 1,
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+ .num_eps = 6,
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+ .ram_bits = 11,
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+};
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+
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+static struct musb_hdrc_platform_data musb_plat = {
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+#if defined(CONFIG_MUSB_HOST)
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+ .mode = MUSB_HOST,
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+#else
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+ .mode = MUSB_PERIPHERAL,
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+#endif
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+ .config = &musb_config,
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+ .power = 250,
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+ .platform_ops = &sunxi_musb_ops,
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+};
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+
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+#ifdef CONFIG_MUSB_HOST
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+int musb_usb_probe(struct udevice *dev)
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+{
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+ struct musb_host_data *host = dev_get_priv(dev);
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+ struct usb_bus_priv *priv = dev_get_uclass_priv(dev);
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+ int ret;
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+
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+ priv->desc_before_addr = true;
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+
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+ if (!host->host) {
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+ host->host = musb_init_controller(&musb_plat, NULL,
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+ (void *)SUNXI_USB0_BASE);
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+ if (!host->host)
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+ return -EIO;
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+ }
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+
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+ ret = musb_lowlevel_init(host);
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+ if (ret == 0)
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+ printf("MUSB OTG\n");
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+
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+ return ret;
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+}
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+
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+int musb_usb_remove(struct udevice *dev)
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+{
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+ struct musb_host_data *host = dev_get_priv(dev);
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+
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+ musb_stop(host->host);
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+
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+ return 0;
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+}
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+
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+U_BOOT_DRIVER(usb_musb) = {
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+ .name = "sunxi-musb",
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+ .id = UCLASS_USB,
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+ .probe = musb_usb_probe,
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+ .remove = musb_usb_remove,
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+ .ops = &musb_usb_ops,
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+ .platdata_auto_alloc_size = sizeof(struct usb_platdata),
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+ .priv_auto_alloc_size = sizeof(struct musb_host_data),
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+};
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+#endif
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+
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+void sunxi_musb_board_init(void)
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+{
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+#ifdef CONFIG_MUSB_HOST
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+ struct udevice *dev;
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+
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+ /*
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+ * Bind the driver directly for now as musb linux kernel support is
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+ * still pending upstream so our dts files do not have the necessary
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+ * nodes yet. TODO: Remove this as soon as the dts nodes are in place
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+ * and bind by compatible instead.
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+ */
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+ device_bind_driver(dm_root(), "sunxi-musb", "sunxi-musb", &dev);
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+#else
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+ musb_register(&musb_plat, NULL, (void *)SUNXI_USB0_BASE);
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+#endif
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+}
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