65 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			65 lines
		
	
	
		
			1.4 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * (C) Copyright 2000-2005
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|  * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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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 <asm/processor.h>
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| #include <asm/io.h>
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| 
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| long int spd_sdram(void);
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| 
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| int board_early_init_f(void)
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| {
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| 	mtdcr(UIC0SR, 0xFFFFFFFF);	/* clear all ints */
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| 	mtdcr(UIC0ER, 0x00000000);	/* disable all ints */
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| 	mtdcr(UIC0CR, 0x00000010);
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| 	mtdcr(UIC0PR, 0xFFFF7FF0);	/* set int polarities */
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| 	mtdcr(UIC0TR, 0x00000010);	/* set int trigger levels */
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| 	mtdcr(UIC0SR, 0xFFFFFFFF);	/* clear all ints */
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| 
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| 	/*
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| 	 * Configure CPC0_PCI to enable PerWE as output
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| 	 * and enable the internal PCI arbiter if selected
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| 	 */
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| 	if (in_8((void *)FPGA_REG1) & FPGA_REG1_PCI_INT_ARB)
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| 		mtdcr(CPC0_PCI, CPC0_PCI_HOST_CFG_EN | CPC0_PCI_ARBIT_EN);
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| 	else
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| 		mtdcr(CPC0_PCI, CPC0_PCI_HOST_CFG_EN);
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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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|  * Check Board Identity:
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|  */
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| int checkboard(void)
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| {
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| 	char buf[64];
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| 	int i = getenv_f("serial#", buf, sizeof(buf));
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| 
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| 	puts("Board: Bubinga - AMCC PPC405EP Evaluation Board");
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| 
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| 	if (i > 0) {
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| 		puts(", serial# ");
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| 		puts(buf);
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| 	}
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| 	putc('\n');
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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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|   initdram(int board_type) reads EEPROM via I2c. EEPROM contains all of
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|   the necessary info for SDRAM controller configuration
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|    ------------------------------------------------------------------------- */
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| phys_size_t initdram(int board_type)
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| {
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| 	long int ret;
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| 
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| 	ret = spd_sdram();
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| 	return ret;
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| }
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