88 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			88 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C
		
	
	
	
/*
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 * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net>
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 *
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 * Parts are shamelessly stolen from various TI sources, original copyright
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 * follows:
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 * -----------------------------------------------------------------
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 *
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 * Copyright (C) 2004 Texas Instruments.
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 *
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 * ----------------------------------------------------------------------------
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 * SPDX-License-Identifier:	GPL-2.0+
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 * ----------------------------------------------------------------------------
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 */
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#include <common.h>
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#include <nand.h>
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#include <asm/ti-common/davinci_nand.h>
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#include <asm/arch/hardware.h>
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#include <asm/arch/davinci_misc.h>
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DECLARE_GLOBAL_DATA_PTR;
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int board_init(void)
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{
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	/* address of boot parameters */
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	gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR;
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	/* Configure AEMIF pins (although this should be configured at boot time
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	 * with pull-up/pull-down resistors) */
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	REG(PINMUX0) = 0x00000c1f;
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	davinci_errata_workarounds();
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	/* Power on required peripherals */
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	lpsc_on(DAVINCI_LPSC_GPIO);
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#if !defined(CONFIG_SYS_USE_DSPLINK)
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	/* Powerup the DSP */
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	dsp_on();
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#endif /* CONFIG_SYS_USE_DSPLINK */
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	davinci_enable_uart0();
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	davinci_enable_emac();
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	davinci_enable_i2c();
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	lpsc_on(DAVINCI_LPSC_TIMER1);
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	timer_init();
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	return(0);
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}
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int misc_init_r(void)
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{
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	uint8_t eeprom_enetaddr[6];
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	/* Read Ethernet MAC address from EEPROM if available. */
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	if (dvevm_read_mac_address(eeprom_enetaddr))
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		davinci_sync_env_enetaddr(eeprom_enetaddr);
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	return(0);
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}
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#ifdef CONFIG_NAND_DAVINCI
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/* Set WP on deselect, write enable on select */
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static void nand_sonata_select_chip(struct mtd_info *mtd, int chip)
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{
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#define GPIO_SET_DATA01	0x01c67018
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#define GPIO_CLR_DATA01	0x01c6701c
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#define GPIO_NAND_WP	(1 << 4)
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#ifdef SONATA_BOARD_GPIOWP
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	if (chip < 0) {
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		REG(GPIO_CLR_DATA01) |= GPIO_NAND_WP;
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	} else {
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		REG(GPIO_SET_DATA01) |= GPIO_NAND_WP;
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	}
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#endif
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}
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int board_nand_init(struct nand_chip *nand)
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{
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	davinci_nand_init(nand);
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	nand->select_chip = nand_sonata_select_chip;
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	return 0;
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}
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#endif /* CONFIG_NAND_DAVINCI */
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