363 lines
		
	
	
		
			8.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			363 lines
		
	
	
		
			8.0 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
// SPDX-License-Identifier: GPL-2.0+
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/*
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 * Copyright 2013-2015 Arcturus Networks, Inc.
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 *           http://www.arcturusnetworks.com/products/ucp1020/
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 *           by Oleksandr G Zhadan et al.
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 * based on board/freescale/p1_p2_rdb_pc/spl.c
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 * original copyright follows:
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 * Copyright 2013 Freescale Semiconductor, Inc.
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 */
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#include <common.h>
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#include <command.h>
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#include <hwconfig.h>
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#include <pci.h>
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#include <i2c.h>
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#include <miiphy.h>
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#include <linux/libfdt.h>
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#include <fdt_support.h>
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#include <fsl_mdio.h>
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#include <tsec.h>
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#include <ioports.h>
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#include <netdev.h>
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#include <micrel.h>
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#include <spi_flash.h>
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#include <mmc.h>
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#include <linux/ctype.h>
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#include <asm/fsl_serdes.h>
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#include <asm/gpio.h>
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#include <asm/processor.h>
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#include <asm/mmu.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_pci.h>
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#include <fsl_ddr_sdram.h>
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#include <asm/io.h>
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#include <asm/fsl_law.h>
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#include <asm/fsl_lbc.h>
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#include <asm/mp.h>
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#include "ucp1020.h"
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void spi_set_speed(struct spi_slave *slave, uint hz)
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{
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	/* TO DO: It's actially have to be in spi/ */
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}
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/*
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 * To be compatible with cmd_gpio
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 */
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int name_to_gpio(const char *name)
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{
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	int gpio = 31 - simple_strtoul(name, NULL, 10);
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	if (gpio < 16)
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		gpio = -1;
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	return gpio;
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}
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void board_gpio_init(void)
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{
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	int i;
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	char envname[8], *val;
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	for (i = 0; i < GPIO_MAX_NUM; i++) {
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		sprintf(envname, "GPIO%d", i);
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		val = env_get(envname);
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		if (val) {
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			char direction = toupper(val[0]);
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			char level = toupper(val[1]);
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			if (direction == 'I') {
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				gpio_direction_input(i);
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			} else {
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				if (direction == 'O') {
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					if (level == '1')
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						gpio_direction_output(i, 1);
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					else
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						gpio_direction_output(i, 0);
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				}
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			}
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		}
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	}
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	val = env_get("PCIE_OFF");
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	if (val) {
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		gpio_direction_input(GPIO_PCIE1_EN);
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		gpio_direction_input(GPIO_PCIE2_EN);
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	} else {
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		gpio_direction_output(GPIO_PCIE1_EN, 1);
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		gpio_direction_output(GPIO_PCIE2_EN, 1);
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	}
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	val = env_get("SDHC_CDWP_OFF");
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	if (!val) {
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		ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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		setbits_be32(&gur->pmuxcr,
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			     (MPC85xx_PMUXCR_SDHC_CD | MPC85xx_PMUXCR_SDHC_WP));
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	}
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}
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int board_early_init_f(void)
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{
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	return 0;	/* Just in case. Could be disable in config file */
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}
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int checkboard(void)
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{
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	printf("Board: %s\n", CONFIG_BOARDNAME_LOCAL);
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	board_gpio_init();
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	printf("SD/MMC: 4-bit Mode\n");
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	return 0;
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}
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#ifdef CONFIG_PCI
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void pci_init_board(void)
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{
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	fsl_pcie_init_board(0);
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}
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#endif
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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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	const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);
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	/*
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	 * Remap Boot flash region to caching-inhibited
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	 * so that flash can be erased properly.
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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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	/* invalidate existing TLB entry for flash */
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	disable_tlb(flash_esel);
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	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */
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		MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, /* perms, wimge */
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		0, flash_esel, BOOKE_PAGESZ_64M, 1);/* ts, esel, tsize, iprot */
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	return 0;
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}
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int board_phy_config(struct phy_device *phydev)
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{
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#if defined(CONFIG_PHY_MICREL_KSZ9021)
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	int regval;
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	static int cnt;
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	if (cnt++ == 0)
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		printf("PHYs address [");
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	if (phydev->addr == TSEC1_PHY_ADDR || phydev->addr == TSEC3_PHY_ADDR) {
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		regval =
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		    ksz9021_phy_extended_read(phydev,
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					      MII_KSZ9021_EXT_STRAP_STATUS);
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		/*
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		 * min rx data delay
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		 */
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		ksz9021_phy_extended_write(phydev,
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					   MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW,
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					   0x6666);
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		/*
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		 * max rx/tx clock delay, min rx/tx control
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		 */
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		ksz9021_phy_extended_write(phydev,
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					   MII_KSZ9021_EXT_RGMII_CLOCK_SKEW,
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					   0xf6f6);
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		printf("0x%x", (regval & 0x1f));
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	} else {
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		printf("0x%x", (TSEC2_PHY_ADDR & 0x1f));
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	}
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	if (cnt == 3)
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		printf("] ");
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	else
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		printf(",");
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#endif
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#if defined(CONFIG_PHY_MICREL_KSZ9031_DEBUG)
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	regval = ksz9031_phy_extended_read(phydev, 2, 0x01, 0x4000);
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	if (regval >= 0)
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		printf(" (ADDR 0x%x) ", regval & 0x1f);
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#endif
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	return 0;
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}
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int last_stage_init(void)
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{
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	static char newkernelargs[256];
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	static u8 id1[16];
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	static u8 id2;
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	struct mmc *mmc;
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	char *sval, *kval;
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	if (i2c_read(CONFIG_SYS_I2C_IDT6V49205B, 7, 1, &id1[0], 2) < 0) {
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		printf("Error reading i2c IDT6V49205B information!\n");
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	} else {
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		printf("IDT6V49205B(0x%02x): ready\n", id1[1]);
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		i2c_read(CONFIG_SYS_I2C_IDT6V49205B, 4, 1, &id1[0], 2);
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		if (!(id1[1] & 0x02)) {
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			id1[1] |= 0x02;
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			i2c_write(CONFIG_SYS_I2C_IDT6V49205B, 4, 1, &id1[0], 2);
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			asm("nop; nop");
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		}
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	}
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	if (i2c_read(CONFIG_SYS_I2C_NCT72_ADDR, 0xFE, 1, &id2, 1) < 0)
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		printf("Error reading i2c NCT72 information!\n");
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	else
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		printf("NCT72(0x%x): ready\n", id2);
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	kval = env_get("kernelargs");
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	mmc = find_mmc_device(0);
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	if (mmc)
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		if (!mmc_init(mmc)) {
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			printf("MMC/SD card detected\n");
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			if (kval) {
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				int n = strlen(defkargs);
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				char *tmp = strstr(kval, defkargs);
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				*tmp = 0;
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				strcpy(newkernelargs, kval);
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				strcat(newkernelargs, " ");
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				strcat(newkernelargs, mmckargs);
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				strcat(newkernelargs, " ");
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				strcat(newkernelargs, &tmp[n]);
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				env_set("kernelargs", newkernelargs);
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			} else {
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				env_set("kernelargs", mmckargs);
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			}
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		}
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	get_arc_info();
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	if (kval) {
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		sval = env_get("SERIAL");
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		if (sval) {
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			strcpy(newkernelargs, "SN=");
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			strcat(newkernelargs, sval);
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			strcat(newkernelargs, " ");
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			strcat(newkernelargs, kval);
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			env_set("kernelargs", newkernelargs);
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		}
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	} else {
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		printf("Error reading kernelargs env variable!\n");
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	}
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	return 0;
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}
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int board_eth_init(bd_t *bis)
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{
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	struct fsl_pq_mdio_info mdio_info;
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	struct tsec_info_struct tsec_info[4];
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#ifdef CONFIG_TSEC2
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	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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#endif
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	int num = 0;
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#ifdef CONFIG_TSEC1
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	SET_STD_TSEC_INFO(tsec_info[num], 1);
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	num++;
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#endif
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#ifdef CONFIG_TSEC2
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	SET_STD_TSEC_INFO(tsec_info[num], 2);
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	if (is_serdes_configured(SGMII_TSEC2)) {
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		if (!(in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_SGMII2_DIS)) {
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			puts("eTSEC2 is in sgmii mode.\n");
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			tsec_info[num].flags |= TSEC_SGMII;
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			tsec_info[num].phyaddr = TSEC2_PHY_ADDR_SGMII;
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		}
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	}
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	num++;
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#endif
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#ifdef CONFIG_TSEC3
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	SET_STD_TSEC_INFO(tsec_info[num], 3);
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	num++;
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#endif
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	if (!num) {
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		printf("No TSECs initialized\n");
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		return 0;
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	}
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	mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
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	mdio_info.name = DEFAULT_MII_NAME;
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	fsl_pq_mdio_init(bis, &mdio_info);
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	tsec_eth_init(bis, tsec_info, num);
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	return pci_eth_init(bis);
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}
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#ifdef CONFIG_OF_BOARD_SETUP
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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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	const char *soc_usb_compat = "fsl-usb2-dr";
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	int err, usb1_off, usb2_off;
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	ft_cpu_setup(blob, bd);
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	base = env_get_bootm_low();
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	size = env_get_bootm_size();
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	fdt_fixup_memory(blob, (u64)base, (u64)size);
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	FT_FSL_PCI_SETUP;
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#if defined(CONFIG_HAS_FSL_DR_USB)
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	fsl_fdt_fixup_dr_usb(blob, bd);
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#endif
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#if defined(CONFIG_SDCARD) || defined(CONFIG_SPIFLASH)
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	/* Delete eLBC node as it is muxed with USB2 controller */
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	if (hwconfig("usb2")) {
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		const char *soc_elbc_compat = "fsl,p1020-elbc";
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		int off = fdt_node_offset_by_compatible(blob, -1,
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							soc_elbc_compat);
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		if (off < 0) {
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			printf
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			    ("WARNING: could not find compatible node %s: %s\n",
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			     soc_elbc_compat, fdt_strerror(off));
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			return off;
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		}
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		err = fdt_del_node(blob, off);
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		if (err < 0) {
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			printf("WARNING: could not remove %s: %s\n",
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			       soc_elbc_compat, fdt_strerror(err));
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		}
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		return err;
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	}
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#endif
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/* Delete USB2 node as it is muxed with eLBC */
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	usb1_off = fdt_node_offset_by_compatible(blob, -1, soc_usb_compat);
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	if (usb1_off < 0) {
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		printf("WARNING: could not find compatible node %s: %s.\n",
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		       soc_usb_compat, fdt_strerror(usb1_off));
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		return usb1_off;
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	}
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	usb2_off =
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	    fdt_node_offset_by_compatible(blob, usb1_off, soc_usb_compat);
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	if (usb2_off < 0) {
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		printf("WARNING: could not find compatible node %s: %s.\n",
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		       soc_usb_compat, fdt_strerror(usb2_off));
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		return usb2_off;
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	}
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	err = fdt_del_node(blob, usb2_off);
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	if (err < 0) {
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		printf("WARNING: could not remove %s: %s.\n",
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		       soc_usb_compat, fdt_strerror(err));
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	}
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	return 0;
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}
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#endif
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