treewide: replace #include <asm/errno.h> with <linux/errno.h>

[people/ms/u-boot.git] / board / logicpd / am3517evm / am3517evm.c

diff --git a/board/logicpd/am3517evm/am3517evm.c b/board/logicpd/am3517evm/am3517evm.c
index 0a105bf2818314f6584ddbf8408884f6eb13ae7d..a6aff4e6df3e2802c967bc3f4a68ff3095f6690a 100644 (file)
--- a/board/logicpd/am3517evm/am3517evm.c
+++ b/board/logicpd/am3517evm/am3517evm.c
@@ -8,33 +8,33 @@
  * Copyright (C) 2010
  * Texas Instruments Incorporated - http://www.ti.com/
  *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * SPDX-License-Identifier:    GPL-2.0+
  */
 
 #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 <linux/errno.h>
+#include <asm/gpio.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;
 
+#define AM3517_IP_SW_RESET     0x48002598
+#define CPGMACSS_SW_RST                (1 << 1)
+
 /*
  * Routine: board_init
  * Description: Early hardware init.
@@ -50,17 +50,93 @@ 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_USB_MUSB_HOST)
+       .mode           = MUSB_HOST,
+#elif defined(CONFIG_USB_MUSB_GADGET)
+       .mode           = MUSB_PERIPHERAL,
+#else
+#error "Please define either CONFIG_USB_MUSB_HOST or CONFIG_USB_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)
  */
 int misc_init_r(void)
 {
-#ifdef CONFIG_DRIVER_OMAP34XX_I2C
-       i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
+       volatile unsigned int ctr;
+       u32 reset;
+
+#ifdef CONFIG_SYS_I2C_OMAP34XX
+       i2c_init(CONFIG_SYS_OMAP24_I2C_SPEED, CONFIG_SYS_OMAP24_I2C_SLAVE);
 #endif
 
-       dieid_num_r();
+       omap_die_id_display();
+
+       am3517_evm_musb_init();
+
+       /* activate PHY reset */
+       gpio_direction_output(30, 0);
+       gpio_set_value(30, 0);
+
+       ctr  = 0;
+       do {
+               udelay(1000);
+               ctr++;
+       } while (ctr < 300);
+
+       /* deactivate PHY reset */
+       gpio_set_value(30, 1);
+
+       /* allow the PHY to stabilize and settle down */
+       ctr = 0;
+       do {
+               udelay(1000);
+               ctr++;
+       } while (ctr < 300);
+
+       /* ensure that the module is out of reset */
+       reset = readl(AM3517_IP_SW_RESET);
+       reset &= (~CPGMACSS_SW_RST);
+       writel(reset,AM3517_IP_SW_RESET);
 
        return 0;
 }
@@ -79,7 +155,23 @@ void set_muxconf_regs(void)
 #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
 int board_mmc_init(bd_t *bis)
 {
-       omap_mmc_init(0);
-       return 0;
+       return omap_mmc_init(0, 0, 0, -1, -1);
+}
+#endif
+
+#if defined(CONFIG_USB_ETHER) && defined(CONFIG_USB_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