148 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			148 lines
		
	
	
		
			3.1 KiB
		
	
	
	
		
			C
		
	
	
	
| /*
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|  * 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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| 
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| #include <common.h>
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| #include <command.h>
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| #include <i2c.h>
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| #include <netdev.h>
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| #include <linux/compiler.h>
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| #include <asm/mmu.h>
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| #include <asm/processor.h>
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| #include <asm/cache.h>
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| #include <asm/immap_85xx.h>
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| #include <asm/fsl_law.h>
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| #include <asm/fsl_serdes.h>
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| #include <asm/fsl_liodn.h>
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| #include <fm_eth.h>
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| 
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| #include "t4rdb.h"
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| #include "cpld.h"
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| #include "../common/vid.h"
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| 
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| DECLARE_GLOBAL_DATA_PTR;
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| 
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| int checkboard(void)
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| {
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| 	struct cpu_type *cpu = gd->arch.cpu;
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| 	u8 sw;
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| 
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| 	printf("Board: %sRDB, ", cpu->name);
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| 	printf("Board rev: 0x%02x CPLD ver: 0x%02x%02x, ",
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| 	       CPLD_READ(hw_ver), CPLD_READ(sw_maj_ver), CPLD_READ(sw_min_ver));
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| 
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| 	sw = CPLD_READ(vbank);
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| 	sw = sw & CPLD_BANK_SEL_MASK;
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| 
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| 	if (sw <= 7)
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| 		printf("vBank: %d\n", sw);
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| 	else
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| 		printf("Unsupported Bank=%x\n", sw);
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| 
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| 	puts("SERDES Reference Clocks:\n");
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| 	printf("       SERDES1=100MHz SERDES2=156.25MHz\n"
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| 	       "       SERDES3=100MHz SERDES4=100MHz\n");
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| 
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| 	return 0;
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| }
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| 
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| int board_early_init_r(void)
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| {
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| 	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
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| 	int flash_esel = find_tlb_idx((void *)flashbase, 1);
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| 
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| 	/*
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| 	 * Remap Boot flash + PROMJET region to caching-inhibited
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| 	 * so that flash can be erased properly.
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| 	 */
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| 
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| 	/* Flush d-cache and invalidate i-cache of any FLASH data */
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| 	flush_dcache();
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| 	invalidate_icache();
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| 
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| 	if (flash_esel == -1) {
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| 		/* very unlikely unless something is messed up */
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| 		puts("Error: Could not find TLB for FLASH BASE\n");
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| 		flash_esel = 2;	/* give our best effort to continue */
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| 	} else {
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| 		/* invalidate existing TLB entry for flash + promjet */
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| 		disable_tlb(flash_esel);
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| 	}
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| 
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| 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS,
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| 		MAS3_SX|MAS3_SW|MAS3_SR, MAS2_I|MAS2_G,
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| 		0, flash_esel, BOOKE_PAGESZ_256M, 1);
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| 
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| 	/*
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| 	 * Adjust core voltage according to voltage ID
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| 	 * This function changes I2C mux to channel 2.
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| 	*/
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| 	if (adjust_vdd(0))
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| 		printf("Warning: Adjusting core voltage failed.\n");
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| 
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| 	return 0;
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| }
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| 
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| int misc_init_r(void)
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| {
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| 	return 0;
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| }
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| 
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| int ft_board_setup(void *blob, bd_t *bd)
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| {
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| 	phys_addr_t base;
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| 	phys_size_t size;
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| 
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| 	ft_cpu_setup(blob, bd);
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| 
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| 	base = getenv_bootm_low();
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| 	size = getenv_bootm_size();
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| 
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| 	fdt_fixup_memory(blob, (u64)base, (u64)size);
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| 
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| #ifdef CONFIG_PCI
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| 	pci_of_setup(blob, bd);
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| #endif
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| 
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| 	fdt_fixup_liodn(blob);
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| 	fdt_fixup_dr_usb(blob, bd);
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| 
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| #ifdef CONFIG_SYS_DPAA_FMAN
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| 	fdt_fixup_fman_ethernet(blob);
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| 	fdt_fixup_board_enet(blob);
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| #endif
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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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|  * This function is called by bdinfo to print detail board information.
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|  * As an exmaple for future board, we organize the messages into
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|  * several sections. If applicable, the message is in the format of
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|  * <name>      = <value>
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|  * It should aligned with normal output of bdinfo command.
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|  *
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|  * Voltage: Core, DDR and another configurable voltages
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|  * Clock  : Critical clocks which are not printed already
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|  * RCW    : RCW source if not printed already
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|  * Misc   : Other important information not in above catagories
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|  */
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| void board_detail(void)
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| {
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| 	int rcwsrc;
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| 
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| 	/* RCW section SW3[4] */
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| 	rcwsrc = 0x0;
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| 	puts("RCW source  = ");
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| 	switch (rcwsrc & 0x1) {
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| 	case 0x1:
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| 		puts("SDHC/eMMC\n");
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| 		break;
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| 	default:
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| 		puts("I2C normal addressing\n");
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| 		break;
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| 	}
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| }
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