From 88919ff7bf4d848ae0bb6dab933cc81bb24abc93 Mon Sep 17 00:00:00 2001
From: Ilya Yanok <ilya.yanok@cogentembedded.com>
Date: Tue, 6 Nov 2012 13:48:28 +0000
Subject: [PATCH] am3517_evm: switch to musb-new

Use new musb framework instead of the old one on AM3517_EVM.

Signed-off-by: Ilya Yanok <ilya.yanok@cogentembedded.com>
---
 board/logicpd/am3517evm/am3517evm.c | 74 +++++++++++++++++++++++++++++
 include/configs/am3517_evm.h        | 37 +++++++--------
 2 files changed, 90 insertions(+), 21 deletions(-)

diff --git a/board/logicpd/am3517evm/am3517evm.c b/board/logicpd/am3517evm/am3517evm.c
index d316f33cd1..0b3721ed85 100644
--- a/board/logicpd/am3517evm/am3517evm.c
+++ b/board/logicpd/am3517evm/am3517evm.c
@@ -25,12 +25,20 @@
 
 #include <common.h>
 #include <asm/io.h>
+#include <asm/omap_musb.h>
+#include <asm/arch/am35x_def.h>
 #include <asm/arch/mem.h>
 #include <asm/arch/mux.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/arch/mmc_host_def.h>
+#include <asm/arch/musb.h>
 #include <asm/mach-types.h>
+#include <asm/errno.h>
+#include <linux/usb/ch9.h>
+#include <linux/usb/gadget.h>
+#include <linux/usb/musb.h>
 #include <i2c.h>
+#include <netdev.h>
 #include "am3517evm.h"
 
 DECLARE_GLOBAL_DATA_PTR;
@@ -50,6 +58,52 @@ int board_init(void)
 	return 0;
 }
 
+#ifdef CONFIG_USB_MUSB_AM35X
+static struct musb_hdrc_config musb_config = {
+	.multipoint     = 1,
+	.dyn_fifo       = 1,
+	.num_eps        = 16,
+	.ram_bits       = 12,
+};
+
+static struct omap_musb_board_data musb_board_data = {
+	.set_phy_power		= am35x_musb_phy_power,
+	.clear_irq		= am35x_musb_clear_irq,
+	.reset			= am35x_musb_reset,
+};
+
+static struct musb_hdrc_platform_data musb_plat = {
+#if defined(CONFIG_MUSB_HOST)
+	.mode           = MUSB_HOST,
+#elif defined(CONFIG_MUSB_GADGET)
+	.mode		= MUSB_PERIPHERAL,
+#else
+#error "Please define either CONFIG_MUSB_HOST or CONFIG_MUSB_GADGET"
+#endif
+	.config         = &musb_config,
+	.power          = 250,
+	.platform_ops	= &am35x_ops,
+	.board_data	= &musb_board_data,
+};
+
+static void am3517_evm_musb_init(void)
+{
+	/*
+	 * Set up USB clock/mode in the DEVCONF2 register.
+	 * USB2.0 PHY reference clock is 13 MHz
+	 */
+	clrsetbits_le32(&am35x_scm_general_regs->devconf2,
+			CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE,
+			CONF2_REFFREQ_13MHZ | CONF2_SESENDEN |
+			CONF2_VBDTCTEN | CONF2_DATPOL);
+
+	musb_register(&musb_plat, &musb_board_data,
+			(void *)AM35XX_IPSS_USBOTGSS_BASE);
+}
+#else
+#define am3517_evm_musb_init() do {} while (0)
+#endif
+
 /*
  * Routine: misc_init_r
  * Description: Init i2c, ethernet, etc... (done here so udelay works)
@@ -62,6 +116,8 @@ int misc_init_r(void)
 
 	dieid_num_r();
 
+	am3517_evm_musb_init();
+
 	return 0;
 }
 
@@ -83,3 +139,21 @@ int board_mmc_init(bd_t *bis)
        return 0;
 }
 #endif
+
+#if defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)
+int board_eth_init(bd_t *bis)
+{
+	int rv, n = 0;
+
+	rv = cpu_eth_init(bis);
+	if (rv > 0)
+		n += rv;
+
+	rv = usb_eth_initialize(bis);
+	if (rv > 0)
+		n += rv;
+
+	return n;
+}
+#endif
+
diff --git a/include/configs/am3517_evm.h b/include/configs/am3517_evm.h
index ce71d1335c..9484e55290 100644
--- a/include/configs/am3517_evm.h
+++ b/include/configs/am3517_evm.h
@@ -97,15 +97,16 @@
 
 /*
  * USB configuration
- * Enable CONFIG_MUSB_HCD for Host functionalities MSC, keyboard
- * Enable CONFIG_MUSB_UDC for Device functionalities.
+ * Enable CONFIG_MUSB_HOST for Host functionalities MSC, keyboard
+ * Enable CONFIG_MUSB_GADGET for Device functionalities.
  */
-#define CONFIG_USB_AM35X		1
-#define CONFIG_MUSB_HCD			1
+#define CONFIG_USB_MUSB_AM35X
+#define CONFIG_MUSB_HOST
+#define CONFIG_MUSB_PIO_ONLY
 
-#ifdef CONFIG_USB_AM35X
+#ifdef CONFIG_USB_MUSB_AM35X
 
-#ifdef CONFIG_MUSB_HCD
+#ifdef CONFIG_MUSB_HOST
 #define CONFIG_CMD_USB
 
 #define CONFIG_USB_STORAGE
@@ -117,21 +118,15 @@
 #define CONFIG_PREBOOT "usb start"
 #endif /* CONFIG_USB_KEYBOARD */
 
-#endif /* CONFIG_MUSB_HCD */
-
-#ifdef CONFIG_MUSB_UDC
-/* USB device configuration */
-#define CONFIG_USB_DEVICE		1
-#define CONFIG_USB_TTY			1
-#define CONFIG_SYS_CONSOLE_IS_IN_ENV	1
-/* Change these to suit your needs */
-#define CONFIG_USBD_VENDORID		0x0451
-#define CONFIG_USBD_PRODUCTID		0x5678
-#define CONFIG_USBD_MANUFACTURER	"Texas Instruments"
-#define CONFIG_USBD_PRODUCT_NAME	"AM3517EVM"
-#endif /* CONFIG_MUSB_UDC */
-
-#endif /* CONFIG_USB_AM35X */
+#endif /* CONFIG_MUSB_HOST */
+
+#ifdef CONFIG_MUSB_GADGET
+#define CONFIG_USB_GADGET_DUALSPEED
+#define CONFIG_USB_ETHER
+#define CONFIG_USB_ETH_RNDIS
+#endif /* CONFIG_MUSB_GADGET */
+
+#endif /* CONFIG_USB_MUSB_AM35X */
 
 /* commands to include */
 #include <config_cmd_default.h>
-- 
2.39.5