GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)
This commit is contained in:
@@ -0,0 +1,284 @@
|
||||
// SPDX-License-Identifier: GPL-2.0
|
||||
/*
|
||||
* Copyright (C) 2005-2007 by Texas Instruments
|
||||
* Some code has been taken from tusb6010.c
|
||||
* Copyrights for that are attributable to:
|
||||
* Copyright (C) 2006 Nokia Corporation
|
||||
* Tony Lindgren <tony@atomide.com>
|
||||
*
|
||||
* This file is part of the Inventra Controller Driver for Linux.
|
||||
*/
|
||||
#include <common.h>
|
||||
#include <dm.h>
|
||||
#include <serial.h>
|
||||
#include <dm/device-internal.h>
|
||||
#include <dm/lists.h>
|
||||
#include <linux/usb/otg.h>
|
||||
#include <asm/omap_common.h>
|
||||
#include <asm/omap_musb.h>
|
||||
#include <twl4030.h>
|
||||
#include <twl6030.h>
|
||||
#include "linux-compat.h"
|
||||
#include "musb_core.h"
|
||||
#include "omap2430.h"
|
||||
#include "musb_uboot.h"
|
||||
|
||||
static inline void omap2430_low_level_exit(struct musb *musb)
|
||||
{
|
||||
u32 l;
|
||||
|
||||
/* in any role */
|
||||
l = musb_readl(musb->mregs, OTG_FORCESTDBY);
|
||||
l |= ENABLEFORCE; /* enable MSTANDBY */
|
||||
musb_writel(musb->mregs, OTG_FORCESTDBY, l);
|
||||
}
|
||||
|
||||
static inline void omap2430_low_level_init(struct musb *musb)
|
||||
{
|
||||
u32 l;
|
||||
|
||||
l = musb_readl(musb->mregs, OTG_FORCESTDBY);
|
||||
l &= ~ENABLEFORCE; /* disable MSTANDBY */
|
||||
musb_writel(musb->mregs, OTG_FORCESTDBY, l);
|
||||
}
|
||||
|
||||
|
||||
static int omap2430_musb_init(struct musb *musb)
|
||||
{
|
||||
u32 l;
|
||||
int status = 0;
|
||||
unsigned long int start;
|
||||
|
||||
struct omap_musb_board_data *data =
|
||||
(struct omap_musb_board_data *)musb->controller;
|
||||
|
||||
/* Reset the controller */
|
||||
musb_writel(musb->mregs, OTG_SYSCONFIG, SOFTRST);
|
||||
|
||||
start = get_timer(0);
|
||||
|
||||
while (1) {
|
||||
l = musb_readl(musb->mregs, OTG_SYSCONFIG);
|
||||
if ((l & SOFTRST) == 0)
|
||||
break;
|
||||
|
||||
if (get_timer(start) > (CONFIG_SYS_HZ / 1000)) {
|
||||
dev_err(musb->controller, "MUSB reset is taking too long\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
}
|
||||
|
||||
l = musb_readl(musb->mregs, OTG_INTERFSEL);
|
||||
|
||||
if (data->interface_type == MUSB_INTERFACE_UTMI) {
|
||||
/* OMAP4 uses Internal PHY GS70 which uses UTMI interface */
|
||||
l &= ~ULPI_12PIN; /* Disable ULPI */
|
||||
l |= UTMI_8BIT; /* Enable UTMI */
|
||||
} else {
|
||||
l |= ULPI_12PIN;
|
||||
}
|
||||
|
||||
musb_writel(musb->mregs, OTG_INTERFSEL, l);
|
||||
|
||||
pr_debug("HS USB OTG: revision 0x%x, sysconfig 0x%02x, "
|
||||
"sysstatus 0x%x, intrfsel 0x%x, simenable 0x%x\n",
|
||||
musb_readl(musb->mregs, OTG_REVISION),
|
||||
musb_readl(musb->mregs, OTG_SYSCONFIG),
|
||||
musb_readl(musb->mregs, OTG_SYSSTATUS),
|
||||
musb_readl(musb->mregs, OTG_INTERFSEL),
|
||||
musb_readl(musb->mregs, OTG_SIMENABLE));
|
||||
return 0;
|
||||
|
||||
err1:
|
||||
return status;
|
||||
}
|
||||
|
||||
static int omap2430_musb_enable(struct musb *musb)
|
||||
{
|
||||
#ifdef CONFIG_TWL4030_USB
|
||||
if (twl4030_usb_ulpi_init()) {
|
||||
serial_printf("ERROR: %s Could not initialize PHY\n",
|
||||
__PRETTY_FUNCTION__);
|
||||
}
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_TWL6030_POWER
|
||||
twl6030_usb_device_settings();
|
||||
#endif
|
||||
|
||||
#ifdef CONFIG_OMAP44XX
|
||||
u32 *usbotghs_control = (u32 *)((*ctrl)->control_usbotghs_ctrl);
|
||||
*usbotghs_control = USBOTGHS_CONTROL_AVALID |
|
||||
USBOTGHS_CONTROL_VBUSVALID | USBOTGHS_CONTROL_IDDIG;
|
||||
#endif
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void omap2430_musb_disable(struct musb *musb)
|
||||
{
|
||||
|
||||
}
|
||||
|
||||
static int omap2430_musb_exit(struct musb *musb)
|
||||
{
|
||||
del_timer_sync(&musb_idle_timer);
|
||||
|
||||
omap2430_low_level_exit(musb);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
const struct musb_platform_ops omap2430_ops = {
|
||||
.init = omap2430_musb_init,
|
||||
.exit = omap2430_musb_exit,
|
||||
.enable = omap2430_musb_enable,
|
||||
.disable = omap2430_musb_disable,
|
||||
};
|
||||
|
||||
#if CONFIG_IS_ENABLED(DM_USB)
|
||||
|
||||
struct omap2430_musb_platdata {
|
||||
void *base;
|
||||
void *ctrl_mod_base;
|
||||
struct musb_hdrc_platform_data plat;
|
||||
struct musb_hdrc_config musb_config;
|
||||
struct omap_musb_board_data otg_board_data;
|
||||
};
|
||||
|
||||
static int omap2430_musb_ofdata_to_platdata(struct udevice *dev)
|
||||
{
|
||||
struct omap2430_musb_platdata *platdata = dev_get_platdata(dev);
|
||||
const void *fdt = gd->fdt_blob;
|
||||
int node = dev_of_offset(dev);
|
||||
|
||||
platdata->base = (void *)dev_read_addr_ptr(dev);
|
||||
|
||||
platdata->musb_config.multipoint = fdtdec_get_int(fdt, node,
|
||||
"multipoint",
|
||||
-1);
|
||||
if (platdata->musb_config.multipoint < 0) {
|
||||
pr_err("MUSB multipoint DT entry missing\n");
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
platdata->musb_config.dyn_fifo = 1;
|
||||
platdata->musb_config.num_eps = fdtdec_get_int(fdt, node,
|
||||
"num-eps", -1);
|
||||
if (platdata->musb_config.num_eps < 0) {
|
||||
pr_err("MUSB num-eps DT entry missing\n");
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
platdata->musb_config.ram_bits = fdtdec_get_int(fdt, node,
|
||||
"ram-bits", -1);
|
||||
if (platdata->musb_config.ram_bits < 0) {
|
||||
pr_err("MUSB ram-bits DT entry missing\n");
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
platdata->plat.power = fdtdec_get_int(fdt, node,
|
||||
"power", -1);
|
||||
if (platdata->plat.power < 0) {
|
||||
pr_err("MUSB power DT entry missing\n");
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
platdata->otg_board_data.interface_type = fdtdec_get_int(fdt, node,
|
||||
"interface-type", -1);
|
||||
if (platdata->otg_board_data.interface_type < 0) {
|
||||
pr_err("MUSB interface-type DT entry missing\n");
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
#if 0 /* In a perfect world, mode would be set to OTG, mode 3 from DT */
|
||||
platdata->plat.mode = fdtdec_get_int(fdt, node,
|
||||
"mode", -1);
|
||||
if (platdata->plat.mode < 0) {
|
||||
pr_err("MUSB mode DT entry missing\n");
|
||||
return -ENOENT;
|
||||
}
|
||||
#else /* MUSB_OTG, it doesn't work */
|
||||
#ifdef CONFIG_USB_MUSB_HOST /* Host seems to be the only option that works */
|
||||
platdata->plat.mode = MUSB_HOST;
|
||||
#else /* For that matter, MUSB_PERIPHERAL doesn't either */
|
||||
platdata->plat.mode = MUSB_PERIPHERAL;
|
||||
#endif
|
||||
#endif
|
||||
platdata->otg_board_data.dev = dev;
|
||||
platdata->plat.config = &platdata->musb_config;
|
||||
platdata->plat.platform_ops = &omap2430_ops;
|
||||
platdata->plat.board_data = &platdata->otg_board_data;
|
||||
return 0;
|
||||
}
|
||||
|
||||
static int omap2430_musb_probe(struct udevice *dev)
|
||||
{
|
||||
#ifdef CONFIG_USB_MUSB_HOST
|
||||
struct musb_host_data *host = dev_get_priv(dev);
|
||||
#else
|
||||
struct musb *musbp;
|
||||
#endif
|
||||
struct omap2430_musb_platdata *platdata = dev_get_platdata(dev);
|
||||
struct usb_bus_priv *priv = dev_get_uclass_priv(dev);
|
||||
struct omap_musb_board_data *otg_board_data;
|
||||
int ret = 0;
|
||||
void *base = dev_read_addr_ptr(dev);
|
||||
|
||||
priv->desc_before_addr = true;
|
||||
|
||||
otg_board_data = &platdata->otg_board_data;
|
||||
|
||||
#ifdef CONFIG_USB_MUSB_HOST
|
||||
host->host = musb_init_controller(&platdata->plat,
|
||||
(struct device *)otg_board_data,
|
||||
platdata->base);
|
||||
if (!host->host) {
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
ret = musb_lowlevel_init(host);
|
||||
#else
|
||||
musbp = musb_register(&platdata->plat,
|
||||
(struct device *)otg_board_data,
|
||||
platdata->base);
|
||||
if (IS_ERR_OR_NULL(musbp))
|
||||
return -EINVAL;
|
||||
#endif
|
||||
return ret;
|
||||
}
|
||||
|
||||
static int omap2430_musb_remove(struct udevice *dev)
|
||||
{
|
||||
struct musb_host_data *host = dev_get_priv(dev);
|
||||
|
||||
musb_stop(host->host);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static const struct udevice_id omap2430_musb_ids[] = {
|
||||
{ .compatible = "ti,omap3-musb" },
|
||||
{ .compatible = "ti,omap4-musb" },
|
||||
{ }
|
||||
};
|
||||
|
||||
U_BOOT_DRIVER(omap2430_musb) = {
|
||||
.name = "omap2430-musb",
|
||||
#ifdef CONFIG_USB_MUSB_HOST
|
||||
.id = UCLASS_USB,
|
||||
#else
|
||||
.id = UCLASS_USB_GADGET_GENERIC,
|
||||
#endif
|
||||
.of_match = omap2430_musb_ids,
|
||||
.ofdata_to_platdata = omap2430_musb_ofdata_to_platdata,
|
||||
.probe = omap2430_musb_probe,
|
||||
.remove = omap2430_musb_remove,
|
||||
#ifdef CONFIG_USB_MUSB_HOST
|
||||
.ops = &musb_usb_ops,
|
||||
#endif
|
||||
.platdata_auto_alloc_size = sizeof(struct omap2430_musb_platdata),
|
||||
.priv_auto_alloc_size = sizeof(struct musb_host_data),
|
||||
};
|
||||
|
||||
#endif /* CONFIG_IS_ENABLED(DM_USB) */
|
||||
Reference in New Issue
Block a user