board/Arcturus/ucp1020/ucp1020.c - platform/external/u-boot - Gitiles

 /*
  * Copyright 2013-2015 Arcturus Networks, Inc.
  *           http://www.arcturusnetworks.com/products/ucp1020/
  *           by Oleksandr G Zhadan et al.
  * based on board/freescale/p1_p2_rdb_pc/spl.c
  * original copyright follows:
  * Copyright 2013 Freescale Semiconductor, Inc.
  *
  * SPDX-License-Identifier:	GPL-2.0+
  */

 #include <common.h>
 #include <command.h>
 #include <hwconfig.h>
 #include <pci.h>
 #include <i2c.h>
 #include <miiphy.h>
 #include <linux/libfdt.h>
 #include <fdt_support.h>
 #include <fsl_mdio.h>
 #include <tsec.h>
 #include <ioports.h>
 #include <netdev.h>
 #include <micrel.h>
 #include <spi_flash.h>
 #include <mmc.h>
 #include <linux/ctype.h>
 #include <asm/fsl_serdes.h>
 #include <asm/gpio.h>
 #include <asm/processor.h>
 #include <asm/mmu.h>
 #include <asm/cache.h>
 #include <asm/immap_85xx.h>
 #include <asm/fsl_pci.h>
 #include <fsl_ddr_sdram.h>
 #include <asm/io.h>
 #include <asm/fsl_law.h>
 #include <asm/fsl_lbc.h>
 #include <asm/mp.h>
 #include "ucp1020.h"

 void spi_set_speed(struct spi_slave *slave, uint hz)
 {
 	/* TO DO: It's actially have to be in spi/ */
 }

 /*
  * To be compatible with cmd_gpio
  */
 int name_to_gpio(const char *name)
 {
 	int gpio = 31 - simple_strtoul(name, NULL, 10);

 	if (gpio < 16)
 		gpio = -1;

 	return gpio;
 }

 void board_gpio_init(void)
 {
 	int i;
 	char envname[8], *val;

 	for (i = 0; i < GPIO_MAX_NUM; i++) {
 		sprintf(envname, "GPIO%d", i);
 		val = env_get(envname);
 		if (val) {
 			char direction = toupper(val[0]);
 			char level = toupper(val[1]);

 			if (direction == 'I') {
 				gpio_direction_input(i);
 			} else {
 				if (direction == 'O') {
 					if (level == '1')
 						gpio_direction_output(i, 1);
 					else
 						gpio_direction_output(i, 0);
 				}
 			}
 		}
 	}

 	val = env_get("PCIE_OFF");
 	if (val) {
 		gpio_direction_input(GPIO_PCIE1_EN);
 		gpio_direction_input(GPIO_PCIE2_EN);
 	} else {
 		gpio_direction_output(GPIO_PCIE1_EN, 1);
 		gpio_direction_output(GPIO_PCIE2_EN, 1);
 	}

 	val = env_get("SDHC_CDWP_OFF");
 	if (!val) {
 		ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);

 		setbits_be32(&gur->pmuxcr,
 			     (MPC85xx_PMUXCR_SDHC_CD | MPC85xx_PMUXCR_SDHC_WP));
 	}
 }

 int board_early_init_f(void)
 {
 	return 0;	/* Just in case. Could be disable in config file */
 }

 int checkboard(void)
 {
 	printf("Board: %s\n", CONFIG_BOARDNAME_LOCAL);
 	board_gpio_init();
 	printf("SD/MMC: 4-bit Mode\n");

 	return 0;
 }

 #ifdef CONFIG_PCI
 void pci_init_board(void)
 {
 	fsl_pcie_init_board(0);
 }
 #endif

 int board_early_init_r(void)
 {
 	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
 	const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);

 	/*
 	 * Remap Boot flash region to caching-inhibited
 	 * so that flash can be erased properly.
 	 */

 	/* Flush d-cache and invalidate i-cache of any FLASH data */
 	flush_dcache();
 	invalidate_icache();

 	/* invalidate existing TLB entry for flash */
 	disable_tlb(flash_esel);

 	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */
 		MAS3_SX | MAS3_SW | MAS3_SR, MAS2_I | MAS2_G, /* perms, wimge */
 		0, flash_esel, BOOKE_PAGESZ_64M, 1);/* ts, esel, tsize, iprot */

 	return 0;
 }

 int board_phy_config(struct phy_device *phydev)
 {
 #if defined(CONFIG_PHY_MICREL_KSZ9021)
 	int regval;
 	static int cnt;

 	if (cnt++ == 0)
 		printf("PHYs address [");

 	if (phydev->addr == TSEC1_PHY_ADDR || phydev->addr == TSEC3_PHY_ADDR) {
 		regval =
 		    ksz9021_phy_extended_read(phydev,
 					      MII_KSZ9021_EXT_STRAP_STATUS);
 		/*
 		 * min rx data delay
 		 */
 		ksz9021_phy_extended_write(phydev,
 					   MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW,
 					   0x6666);
 		/*
 		 * max rx/tx clock delay, min rx/tx control
 		 */
 		ksz9021_phy_extended_write(phydev,
 					   MII_KSZ9021_EXT_RGMII_CLOCK_SKEW,
 					   0xf6f6);
 		printf("0x%x", (regval & 0x1f));
 	} else {
 		printf("0x%x", (TSEC2_PHY_ADDR & 0x1f));
 	}
 	if (cnt == 3)
 		printf("] ");
 	else
 		printf(",");
 #endif

 #if defined(CONFIG_PHY_MICREL_KSZ9031_DEBUG)
 	regval = ksz9031_phy_extended_read(phydev, 2, 0x01, 0x4000);
 	if (regval >= 0)
 		printf(" (ADDR 0x%x) ", regval & 0x1f);
 #endif

 	return 0;
 }

 int last_stage_init(void)
 {
 	static char newkernelargs[256];
 	static u8 id1[16];
 	static u8 id2;
 	struct mmc *mmc;
 	char *sval, *kval;

 	if (i2c_read(CONFIG_SYS_I2C_IDT6V49205B, 7, 1, &id1[0], 2) < 0) {
 		printf("Error reading i2c IDT6V49205B information!\n");
 	} else {
 		printf("IDT6V49205B(0x%02x): ready\n", id1[1]);
 		i2c_read(CONFIG_SYS_I2C_IDT6V49205B, 4, 1, &id1[0], 2);
 		if (!(id1[1] & 0x02)) {
 			id1[1] |= 0x02;
 			i2c_write(CONFIG_SYS_I2C_IDT6V49205B, 4, 1, &id1[0], 2);
 			asm("nop; nop");
 		}
 	}

 	if (i2c_read(CONFIG_SYS_I2C_NCT72_ADDR, 0xFE, 1, &id2, 1) < 0)
 		printf("Error reading i2c NCT72 information!\n");
 	else
 		printf("NCT72(0x%x): ready\n", id2);

 	kval = env_get("kernelargs");

 	mmc = find_mmc_device(0);
 	if (mmc)
 		if (!mmc_init(mmc)) {
 			printf("MMC/SD card detected\n");
 			if (kval) {
 				int n = strlen(defkargs);
 				char *tmp = strstr(kval, defkargs);

 				*tmp = 0;
 				strcpy(newkernelargs, kval);
 				strcat(newkernelargs, " ");
 				strcat(newkernelargs, mmckargs);
 				strcat(newkernelargs, " ");
 				strcat(newkernelargs, &tmp[n]);
 				env_set("kernelargs", newkernelargs);
 			} else {
 				env_set("kernelargs", mmckargs);
 			}
 		}
 	get_arc_info();

 	if (kval) {
 		sval = env_get("SERIAL");
 		if (sval) {
 			strcpy(newkernelargs, "SN=");
 			strcat(newkernelargs, sval);
 			strcat(newkernelargs, " ");
 			strcat(newkernelargs, kval);
 			env_set("kernelargs", newkernelargs);
 		}
 	} else {
 		printf("Error reading kernelargs env variable!\n");
 	}

 	return 0;
 }

 int board_eth_init(bd_t *bis)
 {
 	struct fsl_pq_mdio_info mdio_info;
 	struct tsec_info_struct tsec_info[4];
 #ifdef CONFIG_TSEC2
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 #endif
 	int num = 0;

 #ifdef CONFIG_TSEC1
 	SET_STD_TSEC_INFO(tsec_info[num], 1);
 	num++;
 #endif
 #ifdef CONFIG_TSEC2
 	SET_STD_TSEC_INFO(tsec_info[num], 2);
 	if (is_serdes_configured(SGMII_TSEC2)) {
 		if (!(in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_SGMII2_DIS)) {
 			puts("eTSEC2 is in sgmii mode.\n");
 			tsec_info[num].flags |= TSEC_SGMII;
 			tsec_info[num].phyaddr = TSEC2_PHY_ADDR_SGMII;
 		}
 	}
 	num++;
 #endif
 #ifdef CONFIG_TSEC3
 	SET_STD_TSEC_INFO(tsec_info[num], 3);
 	num++;
 #endif

 	if (!num) {
 		printf("No TSECs initialized\n");
 		return 0;
 	}

 	mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
 	mdio_info.name = DEFAULT_MII_NAME;

 	fsl_pq_mdio_init(bis, &mdio_info);

 	tsec_eth_init(bis, tsec_info, num);

 	return pci_eth_init(bis);
 }

 #ifdef CONFIG_OF_BOARD_SETUP
 int ft_board_setup(void *blob, bd_t *bd)
 {
 	phys_addr_t base;
 	phys_size_t size;
 	const char *soc_usb_compat = "fsl-usb2-dr";
 	int err, usb1_off, usb2_off;

 	ft_cpu_setup(blob, bd);

 	base = env_get_bootm_low();
 	size = env_get_bootm_size();

 	fdt_fixup_memory(blob, (u64)base, (u64)size);

 	FT_FSL_PCI_SETUP;

 #if defined(CONFIG_HAS_FSL_DR_USB)
 	fsl_fdt_fixup_dr_usb(blob, bd);
 #endif

 #if defined(CONFIG_SDCARD) || defined(CONFIG_SPIFLASH)
 	/* Delete eLBC node as it is muxed with USB2 controller */
 	if (hwconfig("usb2")) {
 		const char *soc_elbc_compat = "fsl,p1020-elbc";
 		int off = fdt_node_offset_by_compatible(blob, -1,
 							soc_elbc_compat);
 		if (off < 0) {
 			printf
 			    ("WARNING: could not find compatible node %s: %s\n",
 			     soc_elbc_compat, fdt_strerror(off));
 			return off;
 		}
 		err = fdt_del_node(blob, off);
 		if (err < 0) {
 			printf("WARNING: could not remove %s: %s\n",
 			       soc_elbc_compat, fdt_strerror(err));
 		}
 		return err;
 	}
 #endif

 /* Delete USB2 node as it is muxed with eLBC */
 	usb1_off = fdt_node_offset_by_compatible(blob, -1, soc_usb_compat);
 	if (usb1_off < 0) {
 		printf("WARNING: could not find compatible node %s: %s.\n",
 		       soc_usb_compat, fdt_strerror(usb1_off));
 		return usb1_off;
 	}
 	usb2_off =
 	    fdt_node_offset_by_compatible(blob, usb1_off, soc_usb_compat);
 	if (usb2_off < 0) {
 		printf("WARNING: could not find compatible node %s: %s.\n",
 		       soc_usb_compat, fdt_strerror(usb2_off));
 		return usb2_off;
 	}
 	err = fdt_del_node(blob, usb2_off);
 	if (err < 0) {
 		printf("WARNING: could not remove %s: %s.\n",
 		       soc_usb_compat, fdt_strerror(err));
 	}
 	return 0;
 }
 #endif
	/*
	* Copyright 2013-2015 Arcturus Networks, Inc.
	* http://www.arcturusnetworks.com/products/ucp1020/
	* by Oleksandr G Zhadan et al.
	* based on board/freescale/p1_p2_rdb_pc/spl.c
	* original copyright follows:
	* Copyright 2013 Freescale Semiconductor, Inc.
	*
	* SPDX-License-Identifier: GPL-2.0+
	*/

	#include <common.h>
	#include <command.h>
	#include <hwconfig.h>
	#include <pci.h>
	#include <i2c.h>
	#include <miiphy.h>
	#include <linux/libfdt.h>
	#include <fdt_support.h>
	#include <fsl_mdio.h>
	#include <tsec.h>
	#include <ioports.h>
	#include <netdev.h>
	#include <micrel.h>
	#include <spi_flash.h>
	#include <mmc.h>
	#include <linux/ctype.h>
	#include <asm/fsl_serdes.h>
	#include <asm/gpio.h>
	#include <asm/processor.h>
	#include <asm/mmu.h>
	#include <asm/cache.h>
	#include <asm/immap_85xx.h>
	#include <asm/fsl_pci.h>
	#include <fsl_ddr_sdram.h>
	#include <asm/io.h>
	#include <asm/fsl_law.h>
	#include <asm/fsl_lbc.h>
	#include <asm/mp.h>
	#include "ucp1020.h"

	void spi_set_speed(struct spi_slave *slave, uint hz)
	{
	/* TO DO: It's actially have to be in spi/ */
	}

	/*
	* To be compatible with cmd_gpio
	*/
	int name_to_gpio(const char *name)
	{
	int gpio = 31 - simple_strtoul(name, NULL, 10);

	if (gpio < 16)
	gpio = -1;

	return gpio;
	}

	void board_gpio_init(void)
	{
	int i;
	char envname[8], *val;

	for (i = 0; i < GPIO_MAX_NUM; i++) {
	sprintf(envname, "GPIO%d", i);
	val = env_get(envname);
	if (val) {
	char direction = toupper(val[0]);
	char level = toupper(val[1]);

	if (direction == 'I') {
	gpio_direction_input(i);
	} else {
	if (direction == 'O') {
	if (level == '1')
	gpio_direction_output(i, 1);
	else
	gpio_direction_output(i, 0);
	}
	}
	}
	}

	val = env_get("PCIE_OFF");
	if (val) {
	gpio_direction_input(GPIO_PCIE1_EN);
	gpio_direction_input(GPIO_PCIE2_EN);
	} else {
	gpio_direction_output(GPIO_PCIE1_EN, 1);
	gpio_direction_output(GPIO_PCIE2_EN, 1);
	}

	val = env_get("SDHC_CDWP_OFF");
	if (!val) {
	ccsr_gur_t gur = (void )(CONFIG_SYS_MPC85xx_GUTS_ADDR);

	setbits_be32(&gur->pmuxcr,
	(MPC85xx_PMUXCR_SDHC_CD \| MPC85xx_PMUXCR_SDHC_WP));
	}
	}

	int board_early_init_f(void)
	{
	return 0; /* Just in case. Could be disable in config file */
	}

	int checkboard(void)
	{
	printf("Board: %s\n", CONFIG_BOARDNAME_LOCAL);
	board_gpio_init();
	printf("SD/MMC: 4-bit Mode\n");

	return 0;
	}

	#ifdef CONFIG_PCI
	void pci_init_board(void)
	{
	fsl_pcie_init_board(0);
	}
	#endif

	int board_early_init_r(void)
	{
	const unsigned int flashbase = CONFIG_SYS_FLASH_BASE;
	const u8 flash_esel = find_tlb_idx((void *)flashbase, 1);

	/*
	* Remap Boot flash region to caching-inhibited
	* so that flash can be erased properly.
	*/

	/* Flush d-cache and invalidate i-cache of any FLASH data */
	flush_dcache();
	invalidate_icache();

	/* invalidate existing TLB entry for flash */
	disable_tlb(flash_esel);

	set_tlb(1, flashbase, CONFIG_SYS_FLASH_BASE_PHYS, /* tlb, epn, rpn */
	MAS3_SX \| MAS3_SW \| MAS3_SR, MAS2_I \| MAS2_G, /* perms, wimge */
	0, flash_esel, BOOKE_PAGESZ_64M, 1);/* ts, esel, tsize, iprot */

	return 0;
	}

	int board_phy_config(struct phy_device *phydev)
	{
	#if defined(CONFIG_PHY_MICREL_KSZ9021)
	int regval;
	static int cnt;

	if (cnt++ == 0)
	printf("PHYs address [");

	if (phydev->addr == TSEC1_PHY_ADDR \|\| phydev->addr == TSEC3_PHY_ADDR) {
	regval =
	ksz9021_phy_extended_read(phydev,
	MII_KSZ9021_EXT_STRAP_STATUS);
	/*
	* min rx data delay
	*/
	ksz9021_phy_extended_write(phydev,
	MII_KSZ9021_EXT_RGMII_RX_DATA_SKEW,
	0x6666);
	/*
	* max rx/tx clock delay, min rx/tx control
	*/
	ksz9021_phy_extended_write(phydev,
	MII_KSZ9021_EXT_RGMII_CLOCK_SKEW,
	0xf6f6);
	printf("0x%x", (regval & 0x1f));
	} else {
	printf("0x%x", (TSEC2_PHY_ADDR & 0x1f));
	}
	if (cnt == 3)
	printf("] ");
	else
	printf(",");
	#endif

	#if defined(CONFIG_PHY_MICREL_KSZ9031_DEBUG)
	regval = ksz9031_phy_extended_read(phydev, 2, 0x01, 0x4000);
	if (regval >= 0)
	printf(" (ADDR 0x%x) ", regval & 0x1f);
	#endif

	return 0;
	}

	int last_stage_init(void)
	{
	static char newkernelargs[256];
	static u8 id1[16];
	static u8 id2;
	struct mmc *mmc;
	char sval, kval;

	if (i2c_read(CONFIG_SYS_I2C_IDT6V49205B, 7, 1, &id1[0], 2) < 0) {
	printf("Error reading i2c IDT6V49205B information!\n");
	} else {
	printf("IDT6V49205B(0x%02x): ready\n", id1[1]);
	i2c_read(CONFIG_SYS_I2C_IDT6V49205B, 4, 1, &id1[0], 2);
	if (!(id1[1] & 0x02)) {
	id1[1] \|= 0x02;
	i2c_write(CONFIG_SYS_I2C_IDT6V49205B, 4, 1, &id1[0], 2);
	asm("nop; nop");
	}
	}

	if (i2c_read(CONFIG_SYS_I2C_NCT72_ADDR, 0xFE, 1, &id2, 1) < 0)
	printf("Error reading i2c NCT72 information!\n");
	else
	printf("NCT72(0x%x): ready\n", id2);

	kval = env_get("kernelargs");

	mmc = find_mmc_device(0);
	if (mmc)
	if (!mmc_init(mmc)) {
	printf("MMC/SD card detected\n");
	if (kval) {
	int n = strlen(defkargs);
	char *tmp = strstr(kval, defkargs);

	*tmp = 0;
	strcpy(newkernelargs, kval);
	strcat(newkernelargs, " ");
	strcat(newkernelargs, mmckargs);
	strcat(newkernelargs, " ");
	strcat(newkernelargs, &tmp[n]);
	env_set("kernelargs", newkernelargs);
	} else {
	env_set("kernelargs", mmckargs);
	}
	}
	get_arc_info();

	if (kval) {
	sval = env_get("SERIAL");
	if (sval) {
	strcpy(newkernelargs, "SN=");
	strcat(newkernelargs, sval);
	strcat(newkernelargs, " ");
	strcat(newkernelargs, kval);
	env_set("kernelargs", newkernelargs);
	}
	} else {
	printf("Error reading kernelargs env variable!\n");
	}

	return 0;
	}

	int board_eth_init(bd_t *bis)
	{
	struct fsl_pq_mdio_info mdio_info;
	struct tsec_info_struct tsec_info[4];
	#ifdef CONFIG_TSEC2
	ccsr_gur_t gur = (void )(CONFIG_SYS_MPC85xx_GUTS_ADDR);
	#endif
	int num = 0;

	#ifdef CONFIG_TSEC1
	SET_STD_TSEC_INFO(tsec_info[num], 1);
	num++;
	#endif
	#ifdef CONFIG_TSEC2
	SET_STD_TSEC_INFO(tsec_info[num], 2);
	if (is_serdes_configured(SGMII_TSEC2)) {
	if (!(in_be32(&gur->pordevsr) & MPC85xx_PORDEVSR_SGMII2_DIS)) {
	puts("eTSEC2 is in sgmii mode.\n");
	tsec_info[num].flags \|= TSEC_SGMII;
	tsec_info[num].phyaddr = TSEC2_PHY_ADDR_SGMII;
	}
	}
	num++;
	#endif
	#ifdef CONFIG_TSEC3
	SET_STD_TSEC_INFO(tsec_info[num], 3);
	num++;
	#endif

	if (!num) {
	printf("No TSECs initialized\n");
	return 0;
	}

	mdio_info.regs = (struct tsec_mii_mng *)CONFIG_SYS_MDIO_BASE_ADDR;
	mdio_info.name = DEFAULT_MII_NAME;

	fsl_pq_mdio_init(bis, &mdio_info);

	tsec_eth_init(bis, tsec_info, num);

	return pci_eth_init(bis);
	}

	#ifdef CONFIG_OF_BOARD_SETUP
	int ft_board_setup(void blob, bd_t bd)
	{
	phys_addr_t base;
	phys_size_t size;
	const char *soc_usb_compat = "fsl-usb2-dr";
	int err, usb1_off, usb2_off;

	ft_cpu_setup(blob, bd);

	base = env_get_bootm_low();
	size = env_get_bootm_size();

	fdt_fixup_memory(blob, (u64)base, (u64)size);

	FT_FSL_PCI_SETUP;

	#if defined(CONFIG_HAS_FSL_DR_USB)
	fsl_fdt_fixup_dr_usb(blob, bd);
	#endif

	#if defined(CONFIG_SDCARD) \|\| defined(CONFIG_SPIFLASH)
	/* Delete eLBC node as it is muxed with USB2 controller */
	if (hwconfig("usb2")) {
	const char *soc_elbc_compat = "fsl,p1020-elbc";
	int off = fdt_node_offset_by_compatible(blob, -1,
	soc_elbc_compat);
	if (off < 0) {
	printf
	("WARNING: could not find compatible node %s: %s\n",
	soc_elbc_compat, fdt_strerror(off));
	return off;
	}
	err = fdt_del_node(blob, off);
	if (err < 0) {
	printf("WARNING: could not remove %s: %s\n",
	soc_elbc_compat, fdt_strerror(err));
	}
	return err;
	}
	#endif

	/* Delete USB2 node as it is muxed with eLBC */
	usb1_off = fdt_node_offset_by_compatible(blob, -1, soc_usb_compat);
	if (usb1_off < 0) {
	printf("WARNING: could not find compatible node %s: %s.\n",
	soc_usb_compat, fdt_strerror(usb1_off));
	return usb1_off;
	}
	usb2_off =
	fdt_node_offset_by_compatible(blob, usb1_off, soc_usb_compat);
	if (usb2_off < 0) {
	printf("WARNING: could not find compatible node %s: %s.\n",
	soc_usb_compat, fdt_strerror(usb2_off));
	return usb2_off;
	}
	err = fdt_del_node(blob, usb2_off);
	if (err < 0) {
	printf("WARNING: could not remove %s: %s.\n",
	soc_usb_compat, fdt_strerror(err));
	}
	return 0;
	}
	#endif