mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-14 17:07:38 +00:00
77777f769f
While there are a few different OMAP4 SoCs, today we always set CONFIG_OMAP4430 and CONFIG_OMAP44XX. Convert the few test of CONFIG_OMAP4430 to CONFIG_OMAP44XX. Cc: Marek Vasut <marex@denx.de> Cc: Paul Kocialkowski <contact@paulk.fr> Signed-off-by: Tom Rini <trini@konsulko.com>
145 lines
3.2 KiB
C
145 lines
3.2 KiB
C
/*
|
|
* Copyright (c) 2009 Wind River Systems, Inc.
|
|
* Tom Rix <Tom.Rix@windriver.com>
|
|
*
|
|
* This is file is based on
|
|
* repository git.gitorious.org/u-boot-omap3/mainline.git,
|
|
* branch omap3-dev-usb, file drivers/usb/host/omap3530_usb.c
|
|
*
|
|
* This is the unique part of its copyright :
|
|
*
|
|
* ------------------------------------------------------------------------
|
|
*
|
|
* Copyright (c) 2009 Texas Instruments
|
|
*
|
|
* ------------------------------------------------------------------------
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*/
|
|
|
|
#include <asm/omap_common.h>
|
|
#include <twl4030.h>
|
|
#include <twl6030.h>
|
|
#include "omap3.h"
|
|
|
|
static int platform_needs_initialization = 1;
|
|
|
|
struct musb_config musb_cfg = {
|
|
.regs = (struct musb_regs *)MENTOR_USB0_BASE,
|
|
.timeout = OMAP3_USB_TIMEOUT,
|
|
.musb_speed = 0,
|
|
};
|
|
|
|
/*
|
|
* OMAP3 USB OTG registers.
|
|
*/
|
|
struct omap3_otg_regs {
|
|
u32 revision;
|
|
u32 sysconfig;
|
|
u32 sysstatus;
|
|
u32 interfsel;
|
|
u32 simenable;
|
|
u32 forcestdby;
|
|
};
|
|
|
|
static struct omap3_otg_regs *otg;
|
|
|
|
#define OMAP3_OTG_SYSCONFIG_SMART_STANDBY_MODE 0x2000
|
|
#define OMAP3_OTG_SYSCONFIG_NO_STANDBY_MODE 0x1000
|
|
#define OMAP3_OTG_SYSCONFIG_SMART_IDLE_MODE 0x0010
|
|
#define OMAP3_OTG_SYSCONFIG_NO_IDLE_MODE 0x0008
|
|
#define OMAP3_OTG_SYSCONFIG_ENABLEWAKEUP 0x0004
|
|
#define OMAP3_OTG_SYSCONFIG_SOFTRESET 0x0002
|
|
#define OMAP3_OTG_SYSCONFIG_AUTOIDLE 0x0001
|
|
|
|
#define OMAP3_OTG_SYSSTATUS_RESETDONE 0x0001
|
|
|
|
/* OMAP4430 has an internal PHY, use it */
|
|
#ifdef CONFIG_OMAP44XX
|
|
#define OMAP3_OTG_INTERFSEL_OMAP 0x0000
|
|
#else
|
|
#define OMAP3_OTG_INTERFSEL_OMAP 0x0001
|
|
#endif
|
|
|
|
#define OMAP3_OTG_FORCESTDBY_STANDBY 0x0001
|
|
|
|
|
|
#ifdef DEBUG_MUSB_OMAP3
|
|
static void musb_db_otg_regs(void)
|
|
{
|
|
u32 l;
|
|
l = readl(&otg->revision);
|
|
serial_printf("OTG_REVISION 0x%x\n", l);
|
|
l = readl(&otg->sysconfig);
|
|
serial_printf("OTG_SYSCONFIG 0x%x\n", l);
|
|
l = readl(&otg->sysstatus);
|
|
serial_printf("OTG_SYSSTATUS 0x%x\n", l);
|
|
l = readl(&otg->interfsel);
|
|
serial_printf("OTG_INTERFSEL 0x%x\n", l);
|
|
l = readl(&otg->forcestdby);
|
|
serial_printf("OTG_FORCESTDBY 0x%x\n", l);
|
|
}
|
|
#endif
|
|
|
|
int musb_platform_init(void)
|
|
{
|
|
int ret = -1;
|
|
|
|
if (platform_needs_initialization) {
|
|
u32 stdby;
|
|
|
|
/*
|
|
* OMAP3EVM uses ISP1504 phy and so
|
|
* twl4030 related init is not required.
|
|
*/
|
|
#ifdef CONFIG_TWL4030_USB
|
|
if (twl4030_usb_ulpi_init()) {
|
|
serial_printf("ERROR: %s Could not initialize PHY\n",
|
|
__PRETTY_FUNCTION__);
|
|
goto end;
|
|
}
|
|
#endif
|
|
|
|
#ifdef CONFIG_TWL6030_POWER
|
|
twl6030_usb_device_settings();
|
|
#endif
|
|
|
|
otg = (struct omap3_otg_regs *)OMAP3_OTG_BASE;
|
|
|
|
/* Set OTG to always be on */
|
|
writel(OMAP3_OTG_SYSCONFIG_NO_STANDBY_MODE |
|
|
OMAP3_OTG_SYSCONFIG_NO_IDLE_MODE, &otg->sysconfig);
|
|
|
|
/* Set the interface */
|
|
writel(OMAP3_OTG_INTERFSEL_OMAP, &otg->interfsel);
|
|
|
|
/* Clear force standby */
|
|
stdby = readl(&otg->forcestdby);
|
|
stdby &= ~OMAP3_OTG_FORCESTDBY_STANDBY;
|
|
writel(stdby, &otg->forcestdby);
|
|
|
|
#ifdef CONFIG_TARGET_OMAP3_EVM
|
|
musb_cfg.extvbus = omap3_evm_need_extvbus();
|
|
#endif
|
|
|
|
#ifdef CONFIG_OMAP44XX
|
|
u32 *usbotghs_control =
|
|
(u32 *)((*ctrl)->control_usbotghs_ctrl);
|
|
*usbotghs_control = 0x15;
|
|
#endif
|
|
platform_needs_initialization = 0;
|
|
}
|
|
|
|
ret = platform_needs_initialization;
|
|
|
|
#ifdef CONFIG_TWL4030_USB
|
|
end:
|
|
#endif
|
|
return ret;
|
|
|
|
}
|
|
|
|
void musb_platform_deinit(void)
|
|
{
|
|
/* noop */
|
|
}
|