board/isee/igep003x/board.c - github/trini/u-boot - Gitiles

 // SPDX-License-Identifier: GPL-2.0+
 /*
  * Board functions for IGEP COM AQUILA and SMARC AM335x based boards
  *
  * Copyright (C) 2013-2017, ISEE 2007 SL - http://www.isee.biz/
  */

 #include <config.h>
 #include <env.h>
 #include <errno.h>
 #include <init.h>
 #include <malloc.h>
 #include <net.h>
 #include <serial.h>
 #include <spl.h>
 #include <asm/arch/cpu.h>
 #include <asm/arch/hardware.h>
 #include <asm/arch/omap.h>
 #include <asm/arch/ddr_defs.h>
 #include <asm/arch/clock.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/mmc_host_def.h>
 #include <asm/arch/sys_proto.h>
 #include <asm/global_data.h>
 #include <asm/io.h>
 #include <asm/emif.h>
 #include <asm/gpio.h>
 #include <i2c.h>
 #include <miiphy.h>
 #include <cpsw.h>
 #include <fdt_support.h>
 #include <mtd_node.h>
 #include <jffs2/load_kernel.h>
 #include "board.h"

 DECLARE_GLOBAL_DATA_PTR;

 /* GPIO0_27 and GPIO0_26 are used to read board revision from IGEP003x boards
  * and control IGEP0034 green and red LEDs.
  * U-Boot configures these pins as input pullup to detect board revision:
  * IGEP0034-LITE = 0b00
  * IGEP0034 (FULL) = 0b01
  * IGEP0033 = 0b1X
  */
 #define GPIO_GREEN_REVISION	27
 #define GPIO_RED_REVISION	26

 static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;

 /*
  * Routine: get_board_revision
  * Description: Returns the board revision
  */
 static int get_board_revision(void)
 {
 	int revision;

 	gpio_request(GPIO_GREEN_REVISION, "green_revision");
 	gpio_direction_input(GPIO_GREEN_REVISION);
 	revision = 2 * gpio_get_value(GPIO_GREEN_REVISION);
 	gpio_free(GPIO_GREEN_REVISION);

 	gpio_request(GPIO_RED_REVISION, "red_revision");
 	gpio_direction_input(GPIO_RED_REVISION);
 	revision = revision + gpio_get_value(GPIO_RED_REVISION);
 	gpio_free(GPIO_RED_REVISION);

 	return revision;
 }

 #ifdef CONFIG_SPL_BUILD
 /* PN H5TQ4G63AFR is equivalent to MT41K256M16HA125*/
 static const struct ddr_data ddr3_igep0034_data = {
 	.datardsratio0 = MT41K256M16HA125E_RD_DQS,
 	.datawdsratio0 = MT41K256M16HA125E_WR_DQS,
 	.datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE,
 	.datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA,
 };

 static const struct ddr_data ddr3_igep0034_lite_data = {
 	.datardsratio0 = K4B2G1646EBIH9_RD_DQS,
 	.datawdsratio0 = K4B2G1646EBIH9_WR_DQS,
 	.datafwsratio0 = K4B2G1646EBIH9_PHY_FIFO_WE,
 	.datawrsratio0 = K4B2G1646EBIH9_PHY_WR_DATA,
 };

 static const struct cmd_control ddr3_igep0034_cmd_ctrl_data = {
 	.cmd0csratio = MT41K256M16HA125E_RATIO,
 	.cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,

 	.cmd1csratio = MT41K256M16HA125E_RATIO,
 	.cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,

 	.cmd2csratio = MT41K256M16HA125E_RATIO,
 	.cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
 };

 static const struct cmd_control ddr3_igep0034_lite_cmd_ctrl_data = {
 	.cmd0csratio = K4B2G1646EBIH9_RATIO,
 	.cmd0iclkout = K4B2G1646EBIH9_INVERT_CLKOUT,

 	.cmd1csratio = K4B2G1646EBIH9_RATIO,
 	.cmd1iclkout = K4B2G1646EBIH9_INVERT_CLKOUT,

 	.cmd2csratio = K4B2G1646EBIH9_RATIO,
 	.cmd2iclkout = K4B2G1646EBIH9_INVERT_CLKOUT,
 };

 static struct emif_regs ddr3_igep0034_emif_reg_data = {
 	.sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
 	.ref_ctrl = MT41K256M16HA125E_EMIF_SDREF,
 	.sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
 	.sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
 	.sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
 	.zq_config = MT41K256M16HA125E_ZQ_CFG,
 	.emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
 };

 static struct emif_regs ddr3_igep0034_lite_emif_reg_data = {
 	.sdram_config = K4B2G1646EBIH9_EMIF_SDCFG,
 	.ref_ctrl = K4B2G1646EBIH9_EMIF_SDREF,
 	.sdram_tim1 = K4B2G1646EBIH9_EMIF_TIM1,
 	.sdram_tim2 = K4B2G1646EBIH9_EMIF_TIM2,
 	.sdram_tim3 = K4B2G1646EBIH9_EMIF_TIM3,
 	.zq_config = K4B2G1646EBIH9_ZQ_CFG,
 	.emif_ddr_phy_ctlr_1 = K4B2G1646EBIH9_EMIF_READ_LATENCY,
 };

 const struct ctrl_ioregs ioregs_igep0034 = {
 	.cm0ioctl		= MT41K256M16HA125E_IOCTRL_VALUE,
 	.cm1ioctl		= MT41K256M16HA125E_IOCTRL_VALUE,
 	.cm2ioctl		= MT41K256M16HA125E_IOCTRL_VALUE,
 	.dt0ioctl		= MT41K256M16HA125E_IOCTRL_VALUE,
 	.dt1ioctl		= MT41K256M16HA125E_IOCTRL_VALUE,
 };

 const struct ctrl_ioregs ioregs_igep0034_lite = {
 	.cm0ioctl		= K4B2G1646EBIH9_IOCTRL_VALUE,
 	.cm1ioctl		= K4B2G1646EBIH9_IOCTRL_VALUE,
 	.cm2ioctl		= K4B2G1646EBIH9_IOCTRL_VALUE,
 	.dt0ioctl		= K4B2G1646EBIH9_IOCTRL_VALUE,
 	.dt1ioctl		= K4B2G1646EBIH9_IOCTRL_VALUE,
 };

 #define OSC    (V_OSCK/1000000)
 const struct dpll_params dpll_ddr = {
 		400, OSC-1, 1, -1, -1, -1, -1};

 const struct dpll_params *get_dpll_ddr_params(void)
 {
 	return &dpll_ddr;
 }

 void set_uart_mux_conf(void)
 {
 	enable_uart0_pin_mux();
 }

 void set_mux_conf_regs(void)
 {
 	enable_board_pin_mux();
 }

 void sdram_init(void)
 {
 	if (get_board_revision() == 1)
 		config_ddr(400, &ioregs_igep0034, &ddr3_igep0034_data,
 			&ddr3_igep0034_cmd_ctrl_data, &ddr3_igep0034_emif_reg_data, 0);
 	else
 		config_ddr(400, &ioregs_igep0034_lite, &ddr3_igep0034_lite_data,
 			&ddr3_igep0034_lite_cmd_ctrl_data, &ddr3_igep0034_lite_emif_reg_data, 0);
 }

 #ifdef CONFIG_SPL_OS_BOOT
 int spl_start_uboot(void)
 {
 	/* break into full u-boot on 'c' */
 	return serial_tstc() && serial_getc() == 'c';
 }
 #endif
 #endif

 /*
  * Basic board specific setup.  Pinmux has been handled already.
  */
 int board_init(void)
 {
 	gd->bd->bi_boot_params = CFG_SYS_SDRAM_BASE + 0x100;

 	gpmc_init();

 	return 0;
 }

 #ifdef CONFIG_BOARD_LATE_INIT
 int board_late_init(void)
 {
 #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
 	switch (get_board_revision()) {
 		case 0:
 			env_set("board_name", "igep0034-lite");
 			break;
 		case 1:
 			env_set("board_name", "igep0034");
 			break;
 		default:
 			env_set("board_name", "igep0033");
 			break;
 	}
 #endif
 	return 0;
 }
 #endif

 #ifdef CONFIG_OF_BOARD_SETUP
 int ft_board_setup(void *blob, struct bd_info *bd)
 {
 #ifdef CONFIG_FDT_FIXUP_PARTITIONS
 	static const struct node_info nodes[] = {
 		{ "ti,omap2-nand", MTD_DEV_TYPE_NAND, },
 	};

 	fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
 #endif
 	return 0;
 }
 #endif

 #if defined(CONFIG_DRIVER_TI_CPSW)
 static void cpsw_control(int enabled)
 {
 	/* VTP can be added here */

 	return;
 }

 static struct cpsw_slave_data cpsw_slaves[] = {
 	{
 		.slave_reg_ofs	= 0x208,
 		.sliver_reg_ofs	= 0xd80,
 		.phy_addr	= 0,
 		.phy_if		= PHY_INTERFACE_MODE_RMII,
 	},
 };

 static struct cpsw_platform_data cpsw_data = {
 	.mdio_base		= CPSW_MDIO_BASE,
 	.cpsw_base		= CPSW_BASE,
 	.mdio_div		= 0xff,
 	.channels		= 8,
 	.cpdma_reg_ofs		= 0x800,
 	.slaves			= 1,
 	.slave_data		= cpsw_slaves,
 	.ale_reg_ofs		= 0xd00,
 	.ale_entries		= 1024,
 	.host_port_reg_ofs	= 0x108,
 	.hw_stats_reg_ofs	= 0x900,
 	.bd_ram_ofs		= 0x2000,
 	.mac_control		= (1 << 5),
 	.control		= cpsw_control,
 	.host_port_num		= 0,
 	.version		= CPSW_CTRL_VERSION_2,
 };

 int board_eth_init(struct bd_info *bis)
 {
 	int rv, ret = 0;
 	uint8_t mac_addr[6];
 	uint32_t mac_hi, mac_lo;

 	if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
 		/* try reading mac address from efuse */
 		mac_lo = readl(&cdev->macid0l);
 		mac_hi = readl(&cdev->macid0h);
 		mac_addr[0] = mac_hi & 0xFF;
 		mac_addr[1] = (mac_hi & 0xFF00) >> 8;
 		mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
 		mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
 		mac_addr[4] = mac_lo & 0xFF;
 		mac_addr[5] = (mac_lo & 0xFF00) >> 8;
 		if (is_valid_ethaddr(mac_addr))
 			eth_env_set_enetaddr("ethaddr", mac_addr);
 	}

 	writel((GMII1_SEL_RMII | RMII1_IO_CLK_EN),
 	       &cdev->miisel);

 	if (get_board_revision() == 1)
 		cpsw_slaves[0].phy_addr = 1;

 	rv = cpsw_register(&cpsw_data);
 	if (rv < 0)
 		printf("Error %d registering CPSW switch\n", rv);
 	else
 		ret += rv;

 	return ret;
 }
 #endif
	// SPDX-License-Identifier: GPL-2.0+
	/*
	* Board functions for IGEP COM AQUILA and SMARC AM335x based boards
	*
	* Copyright (C) 2013-2017, ISEE 2007 SL - http://www.isee.biz/
	*/

	#include <config.h>
	#include <env.h>
	#include <errno.h>
	#include <init.h>
	#include <malloc.h>
	#include <net.h>
	#include <serial.h>
	#include <spl.h>
	#include <asm/arch/cpu.h>
	#include <asm/arch/hardware.h>
	#include <asm/arch/omap.h>
	#include <asm/arch/ddr_defs.h>
	#include <asm/arch/clock.h>
	#include <asm/arch/gpio.h>
	#include <asm/arch/mmc_host_def.h>
	#include <asm/arch/sys_proto.h>
	#include <asm/global_data.h>
	#include <asm/io.h>
	#include <asm/emif.h>
	#include <asm/gpio.h>
	#include <i2c.h>
	#include <miiphy.h>
	#include <cpsw.h>
	#include <fdt_support.h>
	#include <mtd_node.h>
	#include <jffs2/load_kernel.h>
	#include "board.h"

	DECLARE_GLOBAL_DATA_PTR;

	/* GPIO0_27 and GPIO0_26 are used to read board revision from IGEP003x boards
	* and control IGEP0034 green and red LEDs.
	* U-Boot configures these pins as input pullup to detect board revision:
	* IGEP0034-LITE = 0b00
	* IGEP0034 (FULL) = 0b01
	* IGEP0033 = 0b1X
	*/
	#define GPIO_GREEN_REVISION 27
	#define GPIO_RED_REVISION 26

	static struct ctrl_dev cdev = (struct ctrl_dev )CTRL_DEVICE_BASE;

	/*
	* Routine: get_board_revision
	* Description: Returns the board revision
	*/
	static int get_board_revision(void)
	{
	int revision;

	gpio_request(GPIO_GREEN_REVISION, "green_revision");
	gpio_direction_input(GPIO_GREEN_REVISION);
	revision = 2 * gpio_get_value(GPIO_GREEN_REVISION);
	gpio_free(GPIO_GREEN_REVISION);

	gpio_request(GPIO_RED_REVISION, "red_revision");
	gpio_direction_input(GPIO_RED_REVISION);
	revision = revision + gpio_get_value(GPIO_RED_REVISION);
	gpio_free(GPIO_RED_REVISION);

	return revision;
	}

	#ifdef CONFIG_SPL_BUILD
	/* PN H5TQ4G63AFR is equivalent to MT41K256M16HA125*/
	static const struct ddr_data ddr3_igep0034_data = {
	.datardsratio0 = MT41K256M16HA125E_RD_DQS,
	.datawdsratio0 = MT41K256M16HA125E_WR_DQS,
	.datafwsratio0 = MT41K256M16HA125E_PHY_FIFO_WE,
	.datawrsratio0 = MT41K256M16HA125E_PHY_WR_DATA,
	};

	static const struct ddr_data ddr3_igep0034_lite_data = {
	.datardsratio0 = K4B2G1646EBIH9_RD_DQS,
	.datawdsratio0 = K4B2G1646EBIH9_WR_DQS,
	.datafwsratio0 = K4B2G1646EBIH9_PHY_FIFO_WE,
	.datawrsratio0 = K4B2G1646EBIH9_PHY_WR_DATA,
	};

	static const struct cmd_control ddr3_igep0034_cmd_ctrl_data = {
	.cmd0csratio = MT41K256M16HA125E_RATIO,
	.cmd0iclkout = MT41K256M16HA125E_INVERT_CLKOUT,

	.cmd1csratio = MT41K256M16HA125E_RATIO,
	.cmd1iclkout = MT41K256M16HA125E_INVERT_CLKOUT,

	.cmd2csratio = MT41K256M16HA125E_RATIO,
	.cmd2iclkout = MT41K256M16HA125E_INVERT_CLKOUT,
	};

	static const struct cmd_control ddr3_igep0034_lite_cmd_ctrl_data = {
	.cmd0csratio = K4B2G1646EBIH9_RATIO,
	.cmd0iclkout = K4B2G1646EBIH9_INVERT_CLKOUT,

	.cmd1csratio = K4B2G1646EBIH9_RATIO,
	.cmd1iclkout = K4B2G1646EBIH9_INVERT_CLKOUT,

	.cmd2csratio = K4B2G1646EBIH9_RATIO,
	.cmd2iclkout = K4B2G1646EBIH9_INVERT_CLKOUT,
	};

	static struct emif_regs ddr3_igep0034_emif_reg_data = {
	.sdram_config = MT41K256M16HA125E_EMIF_SDCFG,
	.ref_ctrl = MT41K256M16HA125E_EMIF_SDREF,
	.sdram_tim1 = MT41K256M16HA125E_EMIF_TIM1,
	.sdram_tim2 = MT41K256M16HA125E_EMIF_TIM2,
	.sdram_tim3 = MT41K256M16HA125E_EMIF_TIM3,
	.zq_config = MT41K256M16HA125E_ZQ_CFG,
	.emif_ddr_phy_ctlr_1 = MT41K256M16HA125E_EMIF_READ_LATENCY,
	};

	static struct emif_regs ddr3_igep0034_lite_emif_reg_data = {
	.sdram_config = K4B2G1646EBIH9_EMIF_SDCFG,
	.ref_ctrl = K4B2G1646EBIH9_EMIF_SDREF,
	.sdram_tim1 = K4B2G1646EBIH9_EMIF_TIM1,
	.sdram_tim2 = K4B2G1646EBIH9_EMIF_TIM2,
	.sdram_tim3 = K4B2G1646EBIH9_EMIF_TIM3,
	.zq_config = K4B2G1646EBIH9_ZQ_CFG,
	.emif_ddr_phy_ctlr_1 = K4B2G1646EBIH9_EMIF_READ_LATENCY,
	};

	const struct ctrl_ioregs ioregs_igep0034 = {
	.cm0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
	.cm1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
	.cm2ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
	.dt0ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
	.dt1ioctl = MT41K256M16HA125E_IOCTRL_VALUE,
	};

	const struct ctrl_ioregs ioregs_igep0034_lite = {
	.cm0ioctl = K4B2G1646EBIH9_IOCTRL_VALUE,
	.cm1ioctl = K4B2G1646EBIH9_IOCTRL_VALUE,
	.cm2ioctl = K4B2G1646EBIH9_IOCTRL_VALUE,
	.dt0ioctl = K4B2G1646EBIH9_IOCTRL_VALUE,
	.dt1ioctl = K4B2G1646EBIH9_IOCTRL_VALUE,
	};

	#define OSC (V_OSCK/1000000)
	const struct dpll_params dpll_ddr = {
	400, OSC-1, 1, -1, -1, -1, -1};

	const struct dpll_params *get_dpll_ddr_params(void)
	{
	return &dpll_ddr;
	}

	void set_uart_mux_conf(void)
	{
	enable_uart0_pin_mux();
	}

	void set_mux_conf_regs(void)
	{
	enable_board_pin_mux();
	}

	void sdram_init(void)
	{
	if (get_board_revision() == 1)
	config_ddr(400, &ioregs_igep0034, &ddr3_igep0034_data,
	&ddr3_igep0034_cmd_ctrl_data, &ddr3_igep0034_emif_reg_data, 0);
	else
	config_ddr(400, &ioregs_igep0034_lite, &ddr3_igep0034_lite_data,
	&ddr3_igep0034_lite_cmd_ctrl_data, &ddr3_igep0034_lite_emif_reg_data, 0);
	}

	#ifdef CONFIG_SPL_OS_BOOT
	int spl_start_uboot(void)
	{
	/* break into full u-boot on 'c' */
	return serial_tstc() && serial_getc() == 'c';
	}
	#endif
	#endif

	/*
	* Basic board specific setup. Pinmux has been handled already.
	*/
	int board_init(void)
	{
	gd->bd->bi_boot_params = CFG_SYS_SDRAM_BASE + 0x100;

	gpmc_init();

	return 0;
	}

	#ifdef CONFIG_BOARD_LATE_INIT
	int board_late_init(void)
	{
	#ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
	switch (get_board_revision()) {
	case 0:
	env_set("board_name", "igep0034-lite");
	break;
	case 1:
	env_set("board_name", "igep0034");
	break;
	default:
	env_set("board_name", "igep0033");
	break;
	}
	#endif
	return 0;
	}
	#endif

	#ifdef CONFIG_OF_BOARD_SETUP
	int ft_board_setup(void blob, struct bd_info bd)
	{
	#ifdef CONFIG_FDT_FIXUP_PARTITIONS
	static const struct node_info nodes[] = {
	{ "ti,omap2-nand", MTD_DEV_TYPE_NAND, },
	};

	fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
	#endif
	return 0;
	}
	#endif

	#if defined(CONFIG_DRIVER_TI_CPSW)
	static void cpsw_control(int enabled)
	{
	/* VTP can be added here */

	return;
	}

	static struct cpsw_slave_data cpsw_slaves[] = {
	{
	.slave_reg_ofs = 0x208,
	.sliver_reg_ofs = 0xd80,
	.phy_addr = 0,
	.phy_if = PHY_INTERFACE_MODE_RMII,
	},
	};

	static struct cpsw_platform_data cpsw_data = {
	.mdio_base = CPSW_MDIO_BASE,
	.cpsw_base = CPSW_BASE,
	.mdio_div = 0xff,
	.channels = 8,
	.cpdma_reg_ofs = 0x800,
	.slaves = 1,
	.slave_data = cpsw_slaves,
	.ale_reg_ofs = 0xd00,
	.ale_entries = 1024,
	.host_port_reg_ofs = 0x108,
	.hw_stats_reg_ofs = 0x900,
	.bd_ram_ofs = 0x2000,
	.mac_control = (1 << 5),
	.control = cpsw_control,
	.host_port_num = 0,
	.version = CPSW_CTRL_VERSION_2,
	};

	int board_eth_init(struct bd_info *bis)
	{
	int rv, ret = 0;
	uint8_t mac_addr[6];
	uint32_t mac_hi, mac_lo;

	if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
	/* try reading mac address from efuse */
	mac_lo = readl(&cdev->macid0l);
	mac_hi = readl(&cdev->macid0h);
	mac_addr[0] = mac_hi & 0xFF;
	mac_addr[1] = (mac_hi & 0xFF00) >> 8;
	mac_addr[2] = (mac_hi & 0xFF0000) >> 16;
	mac_addr[3] = (mac_hi & 0xFF000000) >> 24;
	mac_addr[4] = mac_lo & 0xFF;
	mac_addr[5] = (mac_lo & 0xFF00) >> 8;
	if (is_valid_ethaddr(mac_addr))
	eth_env_set_enetaddr("ethaddr", mac_addr);
	}

	writel((GMII1_SEL_RMII \| RMII1_IO_CLK_EN),
	&cdev->miisel);

	if (get_board_revision() == 1)
	cpsw_slaves[0].phy_addr = 1;

	rv = cpsw_register(&cpsw_data);
	if (rv < 0)
	printf("Error %d registering CPSW switch\n", rv);
	else
	ret += rv;

	return ret;
	}
	#endif