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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>
		
			
				
	
	
		
			113 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			113 lines
		
	
	
		
			2.7 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Copyright 2013 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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| 
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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 <ns16550.h>
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| #include <malloc.h>
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| #include <mmc.h>
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| #include <nand.h>
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| #include <i2c.h>
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| #include <fsl_esdhc.h>
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| #include <spi_flash.h>
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| #include "../common/spl.h"
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| 
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| DECLARE_GLOBAL_DATA_PTR;
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| 
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| phys_size_t get_effective_memsize(void)
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| {
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| 	return CONFIG_SYS_L2_SIZE;
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| }
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| 
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| void board_init_f(ulong bootflag)
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| {
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| 	u32 plat_ratio;
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| 	ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC85xx_GUTS_ADDR;
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| 	struct fsl_ifc ifc = {(void *)CONFIG_SYS_IFC_ADDR, (void *)NULL};
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| 
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| 	console_init_f();
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| 
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| 	/* Clock configuration to access CPLD using IFC(GPCM) */
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| 	setbits_be32(&ifc.gregs->ifc_gcr, 1 << IFC_GCR_TBCTL_TRN_TIME_SHIFT);
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| 
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| #ifdef CONFIG_TARGET_P1010RDB_PB
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| 	setbits_be32(&gur->pmuxcr2, MPC85xx_PMUXCR2_GPIO01_DRVVBUS);
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| #endif
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| 
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| 	/* initialize selected port with appropriate baud rate */
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| 	plat_ratio = in_be32(&gur->porpllsr) & MPC85xx_PORPLLSR_PLAT_RATIO;
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| 	plat_ratio >>= 1;
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| 	gd->bus_clk = CONFIG_SYS_CLK_FREQ * plat_ratio;
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| 
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| 	NS16550_init((NS16550_t)CONFIG_SYS_NS16550_COM1,
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| 		     gd->bus_clk / 16 / CONFIG_BAUDRATE);
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| 
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| #ifdef 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 Flash boot...\n");
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| #endif
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| 	/* copy code to RAM and jump to it - this should not return */
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| 	/* NOTE - code has to be copied out of NAND buffer before
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| 	 * other blocks can be read.
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| 	*/
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| 	relocate_code(CONFIG_SPL_RELOC_STACK, 0, CONFIG_SPL_RELOC_TEXT_BASE);
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| }
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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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| 	/* Pointer is writable since we allocated a register for it */
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| 	gd = (gd_t *)CONFIG_SPL_GD_ADDR;
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| 	bd_t *bd;
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| 
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| 	memset(gd, 0, sizeof(gd_t));
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| 	bd = (bd_t *)(CONFIG_SPL_GD_ADDR + 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_L2_ADDR;
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| 	bd->bi_memsize = CONFIG_SYS_L2_SIZE;
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| 
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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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| 
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| #ifndef CONFIG_SPL_NAND_BOOT
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| 	env_init();
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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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| #endif
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| 
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| 	/* relocate environment function pointers etc. */
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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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| 			    gd->env_addr  = (ulong)(CONFIG_ENV_ADDR);
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| 	gd->env_valid = ENV_VALID;
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| #else
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| 	env_relocate();
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| #endif
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| 
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| 	i2c_init_all();
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| 
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| 	dram_init();
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| #ifdef CONFIG_SPL_NAND_BOOT
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| 	puts("\nTertiary program loader running in sram...");
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| #else
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| 	puts("\nSecond program loader running in sram...");
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| #endif
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| 
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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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