Add qemu 2.4.0

[kvmfornfv.git] / qemu / roms / u-boot / drivers / usb / musb / omap3.c

diff --git a/qemu/roms/u-boot/drivers/usb/musb/omap3.c b/qemu/roms/u-boot/drivers/usb/musb/omap3.c
new file mode 100644 (file)
index 0000000..97da529
--- /dev/null
+++ b/qemu/roms/u-boot/drivers/usb/musb/omap3.c
@@ -0,0 +1,145 @@
+/*
+ * 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_OMAP4430
+#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_OMAP3_EVM
+               musb_cfg.extvbus = omap3_evm_need_extvbus();
+#endif
+
+#ifdef CONFIG_OMAP4430
+               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 */
+}