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	At present we have three states for the environment, numbered 0, 1 and 2. Add an enum to record this to avoid open-coded values. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Tom Rini <trini@konsulko.com>
		
			
				
	
	
		
			143 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			143 lines
		
	
	
		
			3.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/* Copyright 2014 Freescale Semiconductor, Inc.
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 *
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 * SPDX-License-Identifier:    GPL-2.0+
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 */
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#include <common.h>
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#include <console.h>
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#include <environment.h>
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#include <malloc.h>
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#include <ns16550.h>
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#include <nand.h>
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#include <i2c.h>
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#include <mmc.h>
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#include <fsl_esdhc.h>
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#include <spi_flash.h>
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#include "../common/sleep.h"
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#include "../common/spl.h"
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DECLARE_GLOBAL_DATA_PTR;
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phys_size_t get_effective_memsize(void)
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{
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	return CONFIG_SYS_L3_SIZE;
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}
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unsigned long get_board_sys_clk(void)
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{
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	return CONFIG_SYS_CLK_FREQ;
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}
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unsigned long get_board_ddr_clk(void)
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{
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	return CONFIG_DDR_CLK_FREQ;
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}
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#if defined(CONFIG_SPL_MMC_BOOT)
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#define GPIO1_SD_SEL 0x00020000
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int board_mmc_getcd(struct mmc *mmc)
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{
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	ccsr_gpio_t __iomem *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
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	u32 val = in_be32(&pgpio->gpdat);
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	/* GPIO1_14, 0: eMMC, 1: SD */
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	val &= GPIO1_SD_SEL;
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	return val ? -1 : 1;
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}
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int board_mmc_getwp(struct mmc *mmc)
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{
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	ccsr_gpio_t __iomem *pgpio = (void *)(CONFIG_SYS_MPC85xx_GPIO_ADDR);
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	u32 val = in_be32(&pgpio->gpdat);
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	val &= GPIO1_SD_SEL;
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	return val ? -1 : 0;
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}
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#endif
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void board_init_f(ulong bootflag)
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{
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	u32 plat_ratio, sys_clk, ccb_clk;
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	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
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	/* Memcpy existing GD at CONFIG_SPL_GD_ADDR */
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	memcpy((void *)CONFIG_SPL_GD_ADDR, (void *)gd, sizeof(gd_t));
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	/* Update GD pointer */
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	gd = (gd_t *)(CONFIG_SPL_GD_ADDR);
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	console_init_f();
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#ifdef CONFIG_DEEP_SLEEP
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	/* disable the console if boot from deep sleep */
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	if (is_warm_boot())
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		fsl_dp_disable_console();
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#endif
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	/* initialize selected port with appropriate baud rate */
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	sys_clk = get_board_sys_clk();
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	plat_ratio = (in_be32(&gur->rcwsr[0]) >> 25) & 0x1f;
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	ccb_clk = sys_clk * plat_ratio / 2;
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	NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
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		     ccb_clk / 16 / CONFIG_BAUDRATE);
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#if defined(CONFIG_SPL_MMC_BOOT)
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	puts("\nSD boot...\n");
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#elif defined(CONFIG_SPL_SPI_BOOT)
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	puts("\nSPI boot...\n");
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#elif defined(CONFIG_SPL_NAND_BOOT)
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	puts("\nNAND boot...\n");
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#endif
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	relocate_code(CONFIG_SPL_RELOC_STACK, (gd_t *)CONFIG_SPL_GD_ADDR, 0x0);
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}
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void board_init_r(gd_t *gd, ulong dest_addr)
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{
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	bd_t *bd;
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	bd = (bd_t *)(gd + sizeof(gd_t));
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	memset(bd, 0, sizeof(bd_t));
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	gd->bd = bd;
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	bd->bi_memstart = CONFIG_SYS_INIT_L3_ADDR;
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	bd->bi_memsize = CONFIG_SYS_L3_SIZE;
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	arch_cpu_init();
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	get_clocks();
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	mem_malloc_init(CONFIG_SPL_RELOC_MALLOC_ADDR,
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			CONFIG_SPL_RELOC_MALLOC_SIZE);
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	gd->flags |= GD_FLG_FULL_MALLOC_INIT;
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#ifdef CONFIG_SPL_NAND_BOOT
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	nand_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
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			    (uchar *)CONFIG_ENV_ADDR);
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#endif
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#ifdef CONFIG_SPL_MMC_BOOT
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	mmc_initialize(bd);
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	mmc_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
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			   (uchar *)CONFIG_ENV_ADDR);
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#endif
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#ifdef CONFIG_SPL_SPI_BOOT
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	fsl_spi_spl_load_image(CONFIG_ENV_OFFSET, CONFIG_ENV_SIZE,
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			       (uchar *)CONFIG_ENV_ADDR);
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#endif
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	gd->env_addr  = (ulong)(CONFIG_ENV_ADDR);
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	gd->env_valid = ENV_VALID;
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	i2c_init_all();
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	dram_init();
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#ifdef CONFIG_SPL_MMC_BOOT
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	mmc_boot();
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#elif defined(CONFIG_SPL_SPI_BOOT)
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	fsl_spi_boot();
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#elif defined(CONFIG_SPL_NAND_BOOT)
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	nand_boot();
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#endif
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}
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