[U-Boot] [PATCH 5/8] ARMV7: Restructure omap3 musb driver to allow code sharing between OMAP3 and OMAP4

Steve Sakoman
2010-07-21T19:25:26Z

arch/arm/include/asm/arch-omap3/cpu.h | 3 +++
arch/arm/include/asm/arch-omap4/cpu.h | 3 +++
drivers/usb/musb/omap3.c | 16 ++++++++++++++++
drivers/usb/musb/omap3.h | 3 ++-
4 files changed, 24 insertions(+), 1 deletions(-)

diff --git a/arch/arm/include/asm/arch-omap3/cpu.h b/arch/arm/include/asm/arch-omap3/cpu.h
index c072c27..390b007 100644
--- a/arch/arm/include/asm/arch-omap3/cpu.h
+++ b/arch/arm/include/asm/arch-omap3/cpu.h
@@ -483,4 +483,7 @@ struct pm {
#define I2C_BASE2 (OMAP34XX_CORE_L4_IO_BASE + 0x72000)
#define I2C_BASE3 (OMAP34XX_CORE_L4_IO_BASE + 0x60000)

+/* MUSB base */
+#define MUSB_BASE (OMAP34XX_CORE_L4_IO_BASE + 0xAB000)
+
#endif /* _CPU_H */
diff --git a/arch/arm/include/asm/arch-omap4/cpu.h b/arch/arm/include/asm/arch-omap4/cpu.h
index c056b95..7d5748a 100644
--- a/arch/arm/include/asm/arch-omap4/cpu.h
+++ b/arch/arm/include/asm/arch-omap4/cpu.h
@@ -139,4 +139,7 @@ struct watchdog {
#define I2C_BASE2 (OMAP44XX_L4_PER_BASE + 0x72000)
#define I2C_BASE3 (OMAP44XX_L4_PER_BASE + 0x60000)

+/* MUSB base */
+#define MUSB_BASE (OMAP44XX_L4_CORE_BASE + 0xAB000)
+
#endif /* _CPU_H */
diff --git a/drivers/usb/musb/omap3.c b/drivers/usb/musb/omap3.c
index a983552..c7876ed 100644
--- a/drivers/usb/musb/omap3.c
+++ b/drivers/usb/musb/omap3.c
@@ -31,6 +31,7 @@
*/

#include <twl4030.h>
+#include <twl6030.h>
#include "omap3.h"

static int platform_needs_initialization = 1;
@@ -65,7 +66,12 @@ static struct omap3_otg_regs *otg;

#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

@@ -105,6 +111,11 @@ int musb_platform_init(void)
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 */
@@ -122,6 +133,11 @@ int musb_platform_init(void)
#ifdef CONFIG_OMAP3_EVM
musb_cfg.extvbus = omap3_evm_need_extvbus();
#endif
+
+#ifdef CONFIG_OMAP4430
+ u32 *usbotghs_control = (u32 *)(CTRL_BASE + 0x33C);
+ *usbotghs_control = 0x15;
+#endif
platform_needs_initialization = 0;
}

diff --git a/drivers/usb/musb/omap3.h b/drivers/usb/musb/omap3.h
index c934e0c..ea00fed 100644
--- a/drivers/usb/musb/omap3.h
+++ b/drivers/usb/musb/omap3.h
@@ -31,10 +31,11 @@
#ifndef _MUSB_OMAP3_H_
#define _MUSB_OMAP3_H_

+#include <asm/arch/cpu.h>
#include "musb_core.h"

/* Base address of MUSB registers */
-#define MENTOR_USB0_BASE (OMAP34XX_CORE_L4_IO_BASE + 0xAB000)
+#define MENTOR_USB0_BASE MUSB_BASE

/* Base address of OTG registers */
#define OMAP3_OTG_BASE (MENTOR_USB0_BASE + 0x400)
--
1.7.0.4