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@ -26,17 +26,12 @@ |
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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-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 "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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@ -201,6 +196,8 @@ static bool enabled = false; |
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static int sunxi_musb_enable(struct musb *musb) |
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{ |
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int ret; |
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pr_debug("%s():\n", __func__); |
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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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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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} |
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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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{ |
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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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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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musb->isr = sunxi_musb_interrupt; |
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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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} |
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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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.enable = sunxi_musb_enable, |
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.disable = sunxi_musb_disable, |
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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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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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#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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priv->desc_before_addr = true; |
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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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ret = musb_lowlevel_init(host); |
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if (ret == 0) |
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printf("MUSB OTG\n"); |
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return ret; |
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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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musb_stop(host->host); |
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return 0; |
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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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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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* 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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Tom Rini
9 years ago