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	Add check for write protection in omap mmc driver. Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il> Signed-off-by: Igor Grinberg <grinberg@compulab.co.il> Reviewed-by: Tom Rini <trini@ti.com>
		
			
				
	
	
		
			159 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			159 lines
		
	
	
		
			3.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /*
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|  * am3517evm.c - board file for TI's AM3517 family of devices.
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|  *
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|  * Author: Vaibhav Hiremath <hvaibhav@ti.com>
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|  *
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|  * Based on ti/evm/evm.c
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|  *
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|  * Copyright (C) 2010
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|  * Texas Instruments Incorporated - http://www.ti.com/
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|  *
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|  * This program is free software; you can redistribute it and/or modify
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|  * it under the terms of the GNU General Public License as published by
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|  * the Free Software Foundation; either version 2 of the License, or
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|  * (at your option) any later version.
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|  *
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|  * This program is distributed in the hope that it will be useful,
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|  * but WITHOUT ANY WARRANTY; without even the implied warranty of
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|  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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|  * GNU General Public License for more details.
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|  *
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|  * You should have received a copy of the GNU General Public License
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|  * along with this program; if not, write to the Free Software
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|  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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|  */
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| 
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| #include <common.h>
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| #include <asm/io.h>
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| #include <asm/omap_musb.h>
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| #include <asm/arch/am35x_def.h>
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| #include <asm/arch/mem.h>
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| #include <asm/arch/mux.h>
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| #include <asm/arch/sys_proto.h>
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| #include <asm/arch/mmc_host_def.h>
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| #include <asm/arch/musb.h>
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| #include <asm/mach-types.h>
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| #include <asm/errno.h>
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| #include <linux/usb/ch9.h>
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| #include <linux/usb/gadget.h>
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| #include <linux/usb/musb.h>
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| #include <i2c.h>
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| #include <netdev.h>
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| #include "am3517evm.h"
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| 
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| DECLARE_GLOBAL_DATA_PTR;
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| 
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| /*
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|  * Routine: board_init
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|  * Description: Early hardware init.
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|  */
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| int board_init(void)
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| {
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| 	gpmc_init(); /* in SRAM or SDRAM, finish GPMC */
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| 	/* board id for Linux */
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| 	gd->bd->bi_arch_number = MACH_TYPE_OMAP3517EVM;
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| 	/* boot param addr */
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| 	gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
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| 
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| 	return 0;
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| }
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| 
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| #ifdef CONFIG_USB_MUSB_AM35X
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| static struct musb_hdrc_config musb_config = {
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| 	.multipoint     = 1,
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| 	.dyn_fifo       = 1,
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| 	.num_eps        = 16,
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| 	.ram_bits       = 12,
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| };
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| 
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| static struct omap_musb_board_data musb_board_data = {
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| 	.set_phy_power		= am35x_musb_phy_power,
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| 	.clear_irq		= am35x_musb_clear_irq,
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| 	.reset			= am35x_musb_reset,
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| };
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| 
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| static struct musb_hdrc_platform_data musb_plat = {
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| #if defined(CONFIG_MUSB_HOST)
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| 	.mode           = MUSB_HOST,
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| #elif defined(CONFIG_MUSB_GADGET)
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| 	.mode		= MUSB_PERIPHERAL,
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| #else
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| #error "Please define either CONFIG_MUSB_HOST or CONFIG_MUSB_GADGET"
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| #endif
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| 	.config         = &musb_config,
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| 	.power          = 250,
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| 	.platform_ops	= &am35x_ops,
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| 	.board_data	= &musb_board_data,
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| };
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| 
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| static void am3517_evm_musb_init(void)
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| {
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| 	/*
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| 	 * Set up USB clock/mode in the DEVCONF2 register.
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| 	 * USB2.0 PHY reference clock is 13 MHz
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| 	 */
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| 	clrsetbits_le32(&am35x_scm_general_regs->devconf2,
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| 			CONF2_REFFREQ | CONF2_OTGMODE | CONF2_PHY_GPIOMODE,
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| 			CONF2_REFFREQ_13MHZ | CONF2_SESENDEN |
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| 			CONF2_VBDTCTEN | CONF2_DATPOL);
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| 
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| 	musb_register(&musb_plat, &musb_board_data,
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| 			(void *)AM35XX_IPSS_USBOTGSS_BASE);
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| }
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| #else
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| #define am3517_evm_musb_init() do {} while (0)
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| #endif
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| 
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| /*
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|  * Routine: misc_init_r
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|  * Description: Init i2c, ethernet, etc... (done here so udelay works)
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|  */
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| int misc_init_r(void)
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| {
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| #ifdef CONFIG_DRIVER_OMAP34XX_I2C
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| 	i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE);
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| #endif
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| 
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| 	dieid_num_r();
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| 
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| 	am3517_evm_musb_init();
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| 
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| 	return 0;
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| }
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| 
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| /*
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|  * Routine: set_muxconf_regs
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|  * Description: Setting up the configuration Mux registers specific to the
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|  *		hardware. Many pins need to be moved from protect to primary
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|  *		mode.
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|  */
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| void set_muxconf_regs(void)
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| {
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| 	MUX_AM3517EVM();
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| }
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| 
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| #if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD)
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| int board_mmc_init(bd_t *bis)
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| {
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| 	return omap_mmc_init(0, 0, 0, -1, -1);
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| }
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| #endif
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| 
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| #if defined(CONFIG_USB_ETHER) && defined(CONFIG_MUSB_GADGET)
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| int board_eth_init(bd_t *bis)
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| {
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| 	int rv, n = 0;
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| 
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| 	rv = cpu_eth_init(bis);
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| 	if (rv > 0)
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| 		n += rv;
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| 
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| 	rv = usb_eth_initialize(bis);
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| 	if (rv > 0)
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| 		n += rv;
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| 
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| 	return n;
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| }
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| #endif
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| 
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