* 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/arch/musb.h>
#include <asm/mach-types.h>
#include <asm/errno.h>
+#include <asm/gpio.h>
#include <linux/usb/ch9.h>
#include <linux/usb/gadget.h>
#include <linux/usb/musb.h>
DECLARE_GLOBAL_DATA_PTR;
+#define AM3517_IP_SW_RESET 0x48002598
+#define CPGMACSS_SW_RST (1 << 1)
+
/*
* Routine: board_init
* Description: Early hardware init.
*/
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();
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;
}
#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
int board_mmc_init(bd_t *bis)
{
- omap_mmc_init(0, 0, 0);
- return 0;
+ return omap_mmc_init(0, 0, 0, -1, -1);
}
#endif
return n;
}
#endif
-