GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/bootloader/u-boot-2020.01/board/isee/igep003x/Kconfig

@@ -0,0 +1,15 @@
+if TARGET_AM335X_IGEP003X
+
+config SYS_BOARD
+	default "igep003x"
+
+config SYS_VENDOR
+	default "isee"
+
+config SYS_SOC
+	default "am33xx"
+
+config SYS_CONFIG_NAME
+	default "am335x_igep003x"
+
+endif

source/bootloader/u-boot-2020.01/board/isee/igep003x/MAINTAINERS

@@ -0,0 +1,6 @@
+IGEP003X BOARD
+M:	Javier Martínez Canillas <javier@dowhile0.org>
+S:	Maintained
+F:	board/isee/igep003x/
+F:	include/configs/am335x_igep003x.h
+F:	configs/am335x_igep003x_defconfig

source/bootloader/u-boot-2020.01/board/isee/igep003x/Makefile

@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# Makefile
+#
+# Copyright (C) 2013, ISEE 2007 SL - http://www.isee.biz/
+
+ifdef CONFIG_SPL_BUILD
+obj-y	+= mux.o
+endif
+
+obj-y	+= board.o

source/bootloader/u-boot-2020.01/board/isee/igep003x/board.c

@@ -0,0 +1,296 @@
+// 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 <common.h>
+#include <env.h>
+#include <errno.h>
+#include <init.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/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 = CONFIG_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, bd_t *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(bd_t *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

source/bootloader/u-boot-2020.01/board/isee/igep003x/board.h

@@ -0,0 +1,18 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * IGEP COM AQUILA boards information header
+ *
+ * Copyright (C) 2013, ISEE 2007 SL - http://www.isee.biz/
+ */
+
+#ifndef _BOARD_H_
+#define _BOARD_H_
+
+/*
+ * We must be able to enable uart0, for initial output. We then have a
+ * main pinmux function that can be overridden to enable all other pinmux that
+ * is required on the board.
+ */
+void enable_uart0_pin_mux(void);
+void enable_board_pin_mux(void);
+#endif

source/bootloader/u-boot-2020.01/board/isee/igep003x/mux.c

@@ -0,0 +1,96 @@
+/*
+ * Copyright (C) 2013, ISEE 2007 SL - http://www.isee.biz/
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation version 2.
+ *
+ * This program is distributed "as is" WITHOUT ANY WARRANTY of any
+ * kind, whether express or implied; without even the implied warranty
+ * of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <common.h>
+#include <asm/arch/sys_proto.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/mux.h>
+#include <asm/io.h>
+#include <i2c.h>
+#include "board.h"
+
+static struct module_pin_mux uart0_pin_mux[] = {
+	{OFFSET(uart0_rxd), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* UART0_RXD */
+	{OFFSET(uart0_txd), (MODE(0) | PULLUDEN)},		/* UART0_TXD */
+	{-1},
+};
+
+static struct module_pin_mux mmc0_pin_mux[] = {
+	{OFFSET(mmc0_dat3), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT3 */
+	{OFFSET(mmc0_dat2), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT2 */
+	{OFFSET(mmc0_dat1), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT1 */
+	{OFFSET(mmc0_dat0), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_DAT0 */
+	{OFFSET(mmc0_clk), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_CLK */
+	{OFFSET(mmc0_cmd), (MODE(0) | RXACTIVE | PULLUP_EN)},	/* MMC0_CMD */
+	{OFFSET(spi0_cs1), (MODE(5) | RXACTIVE | PULLUP_EN)},	/* MMC0_CD */
+	{-1},
+};
+
+static struct module_pin_mux nand_pin_mux[] = {
+	{OFFSET(gpmc_ad0), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD0 */
+	{OFFSET(gpmc_ad1), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD1 */
+	{OFFSET(gpmc_ad2), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD2 */
+	{OFFSET(gpmc_ad3), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD3 */
+	{OFFSET(gpmc_ad4), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD4 */
+	{OFFSET(gpmc_ad5), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD5 */
+	{OFFSET(gpmc_ad6), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD6 */
+	{OFFSET(gpmc_ad7), (MODE(0) | PULLUP_EN | RXACTIVE)},	/* NAND AD7 */
+	{OFFSET(gpmc_wait0), (MODE(0) | RXACTIVE | PULLUP_EN)}, /* NAND WAIT */
+	{OFFSET(gpmc_wpn), (MODE(7) | PULLUP_EN | RXACTIVE)},	/* NAND_WPN */
+	{OFFSET(gpmc_csn0), (MODE(0) | PULLUDEN)},		/* NAND_CS0 */
+	{OFFSET(gpmc_advn_ale), (MODE(0) | PULLUDEN)},	/* NAND_ADV_ALE */
+	{OFFSET(gpmc_oen_ren), (MODE(0) | PULLUDEN)},	/* NAND_OE */
+	{OFFSET(gpmc_wen), (MODE(0) | PULLUDEN)},	/* NAND_WEN */
+	{OFFSET(gpmc_be0n_cle), (MODE(0) | PULLUDEN)},	/* NAND_BE_CLE */
+	{-1},
+};
+
+static struct module_pin_mux rmii1_pin_mux[] = {
+	{OFFSET(mii1_txen), MODE(1)},			/* RMII1_TXEN */
+	{OFFSET(mii1_rxerr), MODE(1) | RXACTIVE},	/* RMII1_RXERR */
+	{OFFSET(mii1_crs), MODE(1) | RXACTIVE},		/* RMII1_CRS_DV */
+	{OFFSET(mii1_rxd0), MODE(1) | RXACTIVE},	/* RMII1_RXD0 */
+	{OFFSET(mii1_rxd1), MODE(1) | RXACTIVE},	/* RMII1_RXD1 */
+	{OFFSET(mii1_txd0), MODE(1)},			/* RMII1_TXD0 */
+	{OFFSET(mii1_txd1), MODE(1)},			/* RMII1_TXD1 */
+	{OFFSET(rmii1_refclk), MODE(0) | RXACTIVE},	/* RMII1_REF_CLK */
+	{OFFSET(mdio_data), MODE(0) | RXACTIVE | PULLUP_EN},	/* MDIO_DATA */
+	{OFFSET(mdio_clk), MODE(0) | PULLUP_EN},	/* MDIO_CLK */
+	{-1},
+};
+
+static struct module_pin_mux gpio_pin_mux[] = {
+	{OFFSET(gpmc_ad10), (MODE(7) | RXACTIVE | PULLUP_EN)},	/* GPIO0_26 */
+	{OFFSET(gpmc_ad11), (MODE(7) | RXACTIVE | PULLUP_EN)},	/* GPIO0_27 */
+	{-1},
+};
+
+void enable_uart0_pin_mux(void)
+{
+	configure_module_pin_mux(uart0_pin_mux);
+}
+
+/*
+ * Do board-specific muxes.
+ */
+void enable_board_pin_mux(void)
+{
+	/* NAND Flash */
+	configure_module_pin_mux(nand_pin_mux);
+	/* SD Card */
+	configure_module_pin_mux(mmc0_pin_mux);
+	/* Ethernet pinmux. */
+	configure_module_pin_mux(rmii1_pin_mux);
+	/* GPIO pinmux. */
+	configure_module_pin_mux(gpio_pin_mux);
+}

source/bootloader/u-boot-2020.01/board/isee/igep00x0/Kconfig

@@ -0,0 +1,14 @@
+if TARGET_OMAP3_IGEP00X0
+
+config SYS_BOARD
+	default "igep00x0"
+
+config SYS_VENDOR
+	default "isee"
+
+config SYS_CONFIG_NAME
+	default "omap3_igep00x0"
+
+source "board/ti/common/Kconfig"
+
+endif

source/bootloader/u-boot-2020.01/board/isee/igep00x0/MAINTAINERS

@@ -0,0 +1,6 @@
+IGEP00X0 BOARD
+M:	Enric Balletbo i Serra <eballetbo@gmail.com>
+S:	Maintained
+F:	board/isee/igep00x0/
+F:	include/configs/omap3_igep00x0.h
+F:	configs/igep00x0_defconfig

source/bootloader/u-boot-2020.01/board/isee/igep00x0/Makefile

@@ -0,0 +1,10 @@
+# SPDX-License-Identifier: GPL-2.0+
+#
+# (C) Copyright 2000, 2001, 2002
+# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+
+ifdef CONFIG_SPL_BUILD
+obj-y	:= spl.o common.o
+else
+obj-y	:= igep00x0.o common.o
+endif

source/bootloader/u-boot-2020.01/board/isee/igep00x0/common.c

@@ -0,0 +1,67 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include <common.h>
+#include <twl4030.h>
+#include <asm/io.h>
+#include <asm/omap_mmc.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/sys_proto.h>
+#include <jffs2/load_kernel.h>
+#include <linux/mtd/rawnand.h>
+#include "igep00x0.h"
+
+DECLARE_GLOBAL_DATA_PTR;
+
+/*
+ * Routine: set_muxconf_regs
+ * Description: Setting up the configuration Mux registers specific to the
+ *		hardware. Many pins need to be moved from protect to primary
+ *		mode.
+ */
+void set_muxconf_regs(void)
+{
+	MUX_DEFAULT();
+}
+
+/*
+ * Routine: board_init
+ * Description: Early hardware init.
+ */
+int board_init(void)
+{
+	int loops = 100;
+
+	/* find out flash memory type, assume NAND first */
+	gpmc_cs0_flash = MTD_DEV_TYPE_NAND;
+	gpmc_init();
+
+	/* Issue a RESET and then READID */
+	writeb(NAND_CMD_RESET, &gpmc_cfg->cs[0].nand_cmd);
+	writeb(NAND_CMD_STATUS, &gpmc_cfg->cs[0].nand_cmd);
+	while ((readl(&gpmc_cfg->cs[0].nand_dat) & NAND_STATUS_READY)
+	                                        != NAND_STATUS_READY) {
+		udelay(1);
+		if (--loops == 0) {
+			gpmc_cs0_flash = MTD_DEV_TYPE_ONENAND;
+			gpmc_init();	/* reinitialize for OneNAND */
+			break;
+		}
+	}
+
+	/* boot param addr */
+	gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100);
+
+	return 0;
+}
+
+#if defined(CONFIG_MMC)
+int board_mmc_init(bd_t *bis)
+{
+	return omap_mmc_init(0, 0, 0, -1, -1);
+}
+
+void board_mmc_power_init(void)
+{
+	twl4030_power_mmc_init(0);
+}
+#endif

source/bootloader/u-boot-2020.01/board/isee/igep00x0/igep00x0.c

@@ -0,0 +1,259 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * (C) Copyright 2010
+ * ISEE 2007 SL, <www.iseebcn.com>
+ */
+#include <common.h>
+#include <env.h>
+#include <status_led.h>
+#include <dm.h>
+#include <ns16550.h>
+#include <twl4030.h>
+#include <netdev.h>
+#include <spl.h>
+#include <asm/gpio.h>
+#include <asm/io.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/mmc_host_def.h>
+#include <asm/arch/mux.h>
+#include <asm/arch/sys_proto.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/rawnand.h>
+#include <linux/mtd/onenand.h>
+#include <jffs2/load_kernel.h>
+#include <mtd_node.h>
+#include <fdt_support.h>
+#include "igep00x0.h"
+
+static const struct ns16550_platdata igep_serial = {
+	.base = OMAP34XX_UART3,
+	.reg_shift = 2,
+	.clock = V_NS16550_CLK,
+	.fcr = UART_FCR_DEFVAL,
+};
+
+U_BOOT_DEVICE(igep_uart) = {
+	"ns16550_serial",
+	&igep_serial
+};
+
+/*
+ * Routine: get_board_revision
+ * Description: GPIO_28 and GPIO_129 are used to read board and revision from
+ * IGEP00x0 boards. First of all, it is necessary to reset USB transceiver from
+ * IGEP0030 in order to read GPIO_IGEP00X0_BOARD_DETECTION correctly, because
+ * this functionality is shared by USB HOST.
+ * Once USB reset is applied, U-boot configures these pins as input pullup to
+ * detect board and revision:
+ * IGEP0020-RF = 0b00
+ * IGEP0020-RC = 0b01
+ * IGEP0030-RG = 0b10
+ * IGEP0030-RE = 0b11
+ */
+static int get_board_revision(void)
+{
+	int revision;
+
+	gpio_request(IGEP0030_USB_TRANSCEIVER_RESET,
+				"igep0030_usb_transceiver_reset");
+	gpio_direction_output(IGEP0030_USB_TRANSCEIVER_RESET, 0);
+
+	gpio_request(GPIO_IGEP00X0_BOARD_DETECTION, "igep00x0_board_detection");
+	gpio_direction_input(GPIO_IGEP00X0_BOARD_DETECTION);
+	revision = 2 * gpio_get_value(GPIO_IGEP00X0_BOARD_DETECTION);
+	gpio_free(GPIO_IGEP00X0_BOARD_DETECTION);
+
+	gpio_request(GPIO_IGEP00X0_REVISION_DETECTION,
+				"igep00x0_revision_detection");
+	gpio_direction_input(GPIO_IGEP00X0_REVISION_DETECTION);
+	revision = revision + gpio_get_value(GPIO_IGEP00X0_REVISION_DETECTION);
+	gpio_free(GPIO_IGEP00X0_REVISION_DETECTION);
+
+	gpio_free(IGEP0030_USB_TRANSCEIVER_RESET);
+
+	return revision;
+}
+
+int onenand_board_init(struct mtd_info *mtd)
+{
+	if (gpmc_cs0_flash == MTD_DEV_TYPE_ONENAND) {
+		struct onenand_chip *this = mtd->priv;
+		this->base = (void *)CONFIG_SYS_ONENAND_BASE;
+		return 0;
+	}
+	return 1;
+}
+
+#if defined(CONFIG_CMD_NET)
+static void reset_net_chip(int gpio)
+{
+	if (!gpio_request(gpio, "eth nrst")) {
+		gpio_direction_output(gpio, 1);
+		udelay(1);
+		gpio_set_value(gpio, 0);
+		udelay(40);
+		gpio_set_value(gpio, 1);
+		mdelay(10);
+	}
+}
+
+/*
+ * Routine: setup_net_chip
+ * Description: Setting up the configuration GPMC registers specific to the
+ *		Ethernet hardware.
+ */
+static void setup_net_chip(void)
+{
+	struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE;
+	static const u32 gpmc_lan_config[] = {
+		NET_LAN9221_GPMC_CONFIG1,
+		NET_LAN9221_GPMC_CONFIG2,
+		NET_LAN9221_GPMC_CONFIG3,
+		NET_LAN9221_GPMC_CONFIG4,
+		NET_LAN9221_GPMC_CONFIG5,
+		NET_LAN9221_GPMC_CONFIG6,
+	};
+
+	enable_gpmc_cs_config(gpmc_lan_config, &gpmc_cfg->cs[5],
+			CONFIG_SMC911X_BASE, GPMC_SIZE_16M);
+
+	/* Enable off mode for NWE in PADCONF_GPMC_NWE register */
+	writew(readw(&ctrl_base->gpmc_nwe) | 0x0E00, &ctrl_base->gpmc_nwe);
+	/* Enable off mode for NOE in PADCONF_GPMC_NADV_ALE register */
+	writew(readw(&ctrl_base->gpmc_noe) | 0x0E00, &ctrl_base->gpmc_noe);
+	/* Enable off mode for ALE in PADCONF_GPMC_NADV_ALE register */
+	writew(readw(&ctrl_base->gpmc_nadv_ale) | 0x0E00,
+		&ctrl_base->gpmc_nadv_ale);
+
+	reset_net_chip(64);
+}
+
+int board_eth_init(bd_t *bis)
+{
+#ifdef CONFIG_SMC911X
+	return smc911x_initialize(0, CONFIG_SMC911X_BASE);
+#else
+	return 0;
+#endif
+}
+#else
+static inline void setup_net_chip(void) {}
+#endif
+
+#ifdef CONFIG_OF_BOARD_SETUP
+static int ft_enable_by_compatible(void *blob, char *compat, int enable)
+{
+	int off = fdt_node_offset_by_compatible(blob, -1, compat);
+	if (off < 0)
+		return off;
+
+	if (enable)
+		fdt_status_okay(blob, off);
+	else
+		fdt_status_disabled(blob, off);
+
+	return 0;
+}
+
+int ft_board_setup(void *blob, bd_t *bd)
+{
+#ifdef CONFIG_FDT_FIXUP_PARTITIONS
+	static const struct node_info nodes[] = {
+		{ "ti,omap2-nand", MTD_DEV_TYPE_NAND, },
+		{ "ti,omap2-onenand", MTD_DEV_TYPE_ONENAND, },
+	};
+
+	fdt_fixup_mtdparts(blob, nodes, ARRAY_SIZE(nodes));
+#endif
+	ft_enable_by_compatible(blob, "ti,omap2-nand",
+				gpmc_cs0_flash == MTD_DEV_TYPE_NAND);
+	ft_enable_by_compatible(blob, "ti,omap2-onenand",
+				gpmc_cs0_flash == MTD_DEV_TYPE_ONENAND);
+
+	return 0;
+}
+#endif
+
+void set_led(void)
+{
+	switch (get_board_revision()) {
+	case 0:
+	case 1:
+		gpio_request(IGEP0020_GPIO_LED, "igep0020_gpio_led");
+		gpio_direction_output(IGEP0020_GPIO_LED, 1);
+		break;
+	case 2:
+	case 3:
+		gpio_request(IGEP0030_GPIO_LED, "igep0030_gpio_led");
+		gpio_direction_output(IGEP0030_GPIO_LED, 0);
+		break;
+	default:
+		/* Should not happen... */
+		break;
+	}
+}
+
+void set_boardname(void)
+{
+	char rev[5] = { 'F','C','G','E', };
+	int i = get_board_revision();
+
+	rev[i+1] = 0;
+	env_set("board_rev", rev + i);
+	env_set("board_name", i < 2 ? "igep0020" : "igep0030");
+}
+
+/*
+ * Routine: misc_init_r
+ * Description: Configure board specific parts
+ */
+int misc_init_r(void)
+{
+	t2_t *t2_base = (t2_t *)T2_BASE;
+	u32 pbias_lite;
+
+	twl4030_power_init();
+
+	/* set VSIM to 1.8V */
+	twl4030_pmrecv_vsel_cfg(TWL4030_PM_RECEIVER_VSIM_DEDICATED,
+				TWL4030_PM_RECEIVER_VSIM_VSEL_18,
+				TWL4030_PM_RECEIVER_VSIM_DEV_GRP,
+				TWL4030_PM_RECEIVER_DEV_GRP_P1);
+
+	/* set up dual-voltage GPIOs to 1.8V */
+	pbias_lite = readl(&t2_base->pbias_lite);
+	pbias_lite &= ~PBIASLITEVMODE1;
+	pbias_lite |= PBIASLITEPWRDNZ1;
+	writel(pbias_lite, &t2_base->pbias_lite);
+	if (get_cpu_family() == CPU_OMAP36XX)
+		writel(readl(OMAP34XX_CTRL_WKUP_CTRL) |
+					 OMAP34XX_CTRL_WKUP_CTRL_GPIO_IO_PWRDNZ,
+					 OMAP34XX_CTRL_WKUP_CTRL);
+
+	setup_net_chip();
+
+	omap_die_id_display();
+
+	set_led();
+
+	set_boardname();
+
+	return 0;
+}
+
+void board_mtdparts_default(const char **mtdids, const char **mtdparts)
+{
+	struct mtd_info *mtd = get_mtd_device(NULL, 0);
+	if (mtd) {
+		static char ids[24];
+		static char parts[48];
+		const char *linux_name = "omap2-nand";
+		if (strncmp(mtd->name, "onenand0", 8) == 0)
+			linux_name = "omap2-onenand";
+		snprintf(ids, sizeof(ids), "%s=%s", mtd->name, linux_name);
+		snprintf(parts, sizeof(parts), "mtdparts=%s:%dk(SPL),-(UBI)",
+		         linux_name, 4 * mtd->erasesize >> 10);
+		*mtdids = ids;
+		*mtdparts = parts;
+	}
+}

source/bootloader/u-boot-2020.01/board/isee/igep00x0/igep00x0.h

@@ -0,0 +1,127 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
+/*
+ * (C) Copyright 2010
+ * ISEE 2007 SL, <www.iseebcn.com>
+ */
+#ifndef _IGEP00X0_H_
+#define _IGEP00X0_H_
+
+/*
+ * IEN  - Input Enable
+ * IDIS - Input Disable
+ * PTD  - Pull type Down
+ * PTU  - Pull type Up
+ * DIS  - Pull type selection is inactive
+ * EN   - Pull type selection is active
+ * M0   - Mode 0
+ * The commented string gives the final mux configuration for that pin
+ */
+#define MUX_DEFAULT()\
+	MUX_VAL(CP(SDRC_D0),        (IEN  | PTD | DIS | M0)) /* SDRC_D0 */\
+	MUX_VAL(CP(SDRC_D1),        (IEN  | PTD | DIS | M0)) /* SDRC_D1 */\
+	MUX_VAL(CP(SDRC_D2),        (IEN  | PTD | DIS | M0)) /* SDRC_D2 */\
+	MUX_VAL(CP(SDRC_D3),        (IEN  | PTD | DIS | M0)) /* SDRC_D3 */\
+	MUX_VAL(CP(SDRC_D4),        (IEN  | PTD | DIS | M0)) /* SDRC_D4 */\
+	MUX_VAL(CP(SDRC_D5),        (IEN  | PTD | DIS | M0)) /* SDRC_D5 */\
+	MUX_VAL(CP(SDRC_D6),        (IEN  | PTD | DIS | M0)) /* SDRC_D6 */\
+	MUX_VAL(CP(SDRC_D7),        (IEN  | PTD | DIS | M0)) /* SDRC_D7 */\
+	MUX_VAL(CP(SDRC_D8),        (IEN  | PTD | DIS | M0)) /* SDRC_D8 */\
+	MUX_VAL(CP(SDRC_D9),        (IEN  | PTD | DIS | M0)) /* SDRC_D9 */\
+	MUX_VAL(CP(SDRC_D10),       (IEN  | PTD | DIS | M0)) /* SDRC_D10 */\
+	MUX_VAL(CP(SDRC_D11),       (IEN  | PTD | DIS | M0)) /* SDRC_D11 */\
+	MUX_VAL(CP(SDRC_D12),       (IEN  | PTD | DIS | M0)) /* SDRC_D12 */\
+	MUX_VAL(CP(SDRC_D13),       (IEN  | PTD | DIS | M0)) /* SDRC_D13 */\
+	MUX_VAL(CP(SDRC_D14),       (IEN  | PTD | DIS | M0)) /* SDRC_D14 */\
+	MUX_VAL(CP(SDRC_D15),       (IEN  | PTD | DIS | M0)) /* SDRC_D15 */\
+	MUX_VAL(CP(SDRC_D16),       (IEN  | PTD | DIS | M0)) /* SDRC_D16 */\
+	MUX_VAL(CP(SDRC_D17),       (IEN  | PTD | DIS | M0)) /* SDRC_D17 */\
+	MUX_VAL(CP(SDRC_D18),       (IEN  | PTD | DIS | M0)) /* SDRC_D18 */\
+	MUX_VAL(CP(SDRC_D19),       (IEN  | PTD | DIS | M0)) /* SDRC_D19 */\
+	MUX_VAL(CP(SDRC_D20),       (IEN  | PTD | DIS | M0)) /* SDRC_D20 */\
+	MUX_VAL(CP(SDRC_D21),       (IEN  | PTD | DIS | M0)) /* SDRC_D21 */\
+	MUX_VAL(CP(SDRC_D22),       (IEN  | PTD | DIS | M0)) /* SDRC_D22 */\
+	MUX_VAL(CP(SDRC_D23),       (IEN  | PTD | DIS | M0)) /* SDRC_D23 */\
+	MUX_VAL(CP(SDRC_D24),       (IEN  | PTD | DIS | M0)) /* SDRC_D24 */\
+	MUX_VAL(CP(SDRC_D25),       (IEN  | PTD | DIS | M0)) /* SDRC_D25 */\
+	MUX_VAL(CP(SDRC_D26),       (IEN  | PTD | DIS | M0)) /* SDRC_D26 */\
+	MUX_VAL(CP(SDRC_D27),       (IEN  | PTD | DIS | M0)) /* SDRC_D27 */\
+	MUX_VAL(CP(SDRC_D28),       (IEN  | PTD | DIS | M0)) /* SDRC_D28 */\
+	MUX_VAL(CP(SDRC_D29),       (IEN  | PTD | DIS | M0)) /* SDRC_D29 */\
+	MUX_VAL(CP(SDRC_D30),       (IEN  | PTD | DIS | M0)) /* SDRC_D30 */\
+	MUX_VAL(CP(SDRC_D31),       (IEN  | PTD | DIS | M0)) /* SDRC_D31 */\
+	MUX_VAL(CP(SDRC_CLK),       (IEN  | PTD | DIS | M0)) /* SDRC_CLK */\
+	MUX_VAL(CP(SDRC_DQS0),      (IEN  | PTD | DIS | M0)) /* SDRC_DQS0 */\
+	MUX_VAL(CP(SDRC_DQS1),      (IEN  | PTD | DIS | M0)) /* SDRC_DQS1 */\
+	MUX_VAL(CP(SDRC_DQS2),      (IEN  | PTD | DIS | M0)) /* SDRC_DQS2 */\
+	MUX_VAL(CP(SDRC_DQS3),      (IEN  | PTD | DIS | M0)) /* SDRC_DQS3 */\
+	MUX_VAL(CP(GPMC_A1),        (IDIS | PTD | DIS | M0)) /* GPMC_A1 */\
+	MUX_VAL(CP(GPMC_A2),        (IDIS | PTD | DIS | M0)) /* GPMC_A2 */\
+	MUX_VAL(CP(GPMC_A3),        (IDIS | PTD | DIS | M0)) /* GPMC_A3 */\
+	MUX_VAL(CP(GPMC_A4),        (IDIS | PTD | DIS | M0)) /* GPMC_A4 */\
+	MUX_VAL(CP(GPMC_A5),        (IDIS | PTD | DIS | M0)) /* GPMC_A5 */\
+	MUX_VAL(CP(GPMC_A6),        (IDIS | PTD | DIS | M0)) /* GPMC_A6 */\
+	MUX_VAL(CP(GPMC_A7),        (IDIS | PTD | DIS | M0)) /* GPMC_A7 */\
+	MUX_VAL(CP(GPMC_A8),        (IDIS | PTD | DIS | M0)) /* GPMC_A8 */\
+	MUX_VAL(CP(GPMC_A9),        (IDIS | PTD | DIS | M0)) /* GPMC_A9 */\
+	MUX_VAL(CP(GPMC_A10),       (IDIS | PTD | DIS | M0)) /* GPMC_A10 */\
+	MUX_VAL(CP(GPMC_D0),        (IEN  | PTD | DIS | M0)) /* GPMC_D0 */\
+	MUX_VAL(CP(GPMC_D1),        (IEN  | PTD | DIS | M0)) /* GPMC_D1 */\
+	MUX_VAL(CP(GPMC_D2),        (IEN  | PTD | DIS | M0)) /* GPMC_D2 */\
+	MUX_VAL(CP(GPMC_D3),        (IEN  | PTD | DIS | M0)) /* GPMC_D3 */\
+	MUX_VAL(CP(GPMC_D4),        (IEN  | PTD | DIS | M0)) /* GPMC_D4 */\
+	MUX_VAL(CP(GPMC_D5),        (IEN  | PTD | DIS | M0)) /* GPMC_D5 */\
+	MUX_VAL(CP(GPMC_D6),        (IEN  | PTD | DIS | M0)) /* GPMC_D6 */\
+	MUX_VAL(CP(GPMC_D7),        (IEN  | PTD | DIS | M0)) /* GPMC_D7 */\
+	MUX_VAL(CP(GPMC_D8),        (IEN  | PTD | DIS | M0)) /* GPMC_D8 */\
+	MUX_VAL(CP(GPMC_D9),        (IEN  | PTD | DIS | M0)) /* GPMC_D9 */\
+	MUX_VAL(CP(GPMC_D10),       (IEN  | PTD | DIS | M0)) /* GPMC_D10 */\
+	MUX_VAL(CP(GPMC_D11),       (IEN  | PTD | DIS | M0)) /* GPMC_D11 */\
+	MUX_VAL(CP(GPMC_D12),       (IEN  | PTD | DIS | M0)) /* GPMC_D12 */\
+	MUX_VAL(CP(GPMC_D13),       (IEN  | PTD | DIS | M0)) /* GPMC_D13 */\
+	MUX_VAL(CP(GPMC_D14),       (IEN  | PTD | DIS | M0)) /* GPMC_D14 */\
+	MUX_VAL(CP(GPMC_D15),       (IEN  | PTD | DIS | M0)) /* GPMC_D15 */\
+	MUX_VAL(CP(GPMC_NCS0),      (IDIS | PTU | EN  | M0)) /* GPMC_nCS0 */\
+	MUX_VAL(CP(GPMC_NCS1),      (IDIS | PTU | EN  | M0)) /* GPMC_nCS1 */\
+	MUX_VAL(CP(GPMC_NCS2),      (IDIS | PTU | EN  | M0)) /* GPIO_nCS2 */\
+	MUX_VAL(CP(GPMC_NCS3),      (IDIS | PTU | EN  | M0)) /* GPIO_nCS3 */\
+	MUX_VAL(CP(GPMC_NCS4),      (IDIS | PTU | EN  | M0)) /* GPMC_nCS4 */\
+	MUX_VAL(CP(GPMC_NCS5),      (IDIS | PTU | EN  | M0)) /* GPMC_nCS5 */\
+	MUX_VAL(CP(GPMC_NCS6),      (IDIS | PTU | EN  | M0)) /* GPMC_nCS6 */\
+	MUX_VAL(CP(GPMC_NCS7),      (IDIS | PTU | EN  | M0)) /* GPMC_nCS7 */\
+	MUX_VAL(CP(GPMC_CLK),       (IDIS | PTD | DIS | M0)) /* GPMC_CLK */\
+	MUX_VAL(CP(GPMC_NADV_ALE),  (IDIS | PTD | DIS | M0)) /* GPMC_nADV_ALE */\
+	MUX_VAL(CP(GPMC_NOE),       (IDIS | PTD | DIS | M0)) /* GPMC_nOE */\
+	MUX_VAL(CP(GPMC_NWE),       (IDIS | PTD | DIS | M0)) /* GPMC_nWE */\
+	MUX_VAL(CP(GPMC_NBE0_CLE),  (IDIS | PTD | DIS | M0)) /* GPMC_nBE0_CLE */\
+	MUX_VAL(CP(GPMC_NBE1),      (IEN  | PTD | DIS | M0)) /* GPMC_nBE1 */\
+	MUX_VAL(CP(GPMC_NWP),       (IEN  | PTD | DIS | M0)) /* GPMC_nWP */\
+	MUX_VAL(CP(GPMC_WAIT0),     (IEN  | PTU | EN  | M0)) /* GPMC_WAIT0 */\
+	MUX_VAL(CP(MMC1_CLK),       (IDIS | PTU | EN  | M0)) /* MMC1_CLK */\
+	MUX_VAL(CP(MMC1_CMD),       (IEN  | PTU | EN  | M0)) /* MMC1_CMD */\
+	MUX_VAL(CP(MMC1_DAT0),      (IEN  | PTU | EN  | M0)) /* MMC1_DAT0 */\
+	MUX_VAL(CP(MMC1_DAT1),      (IEN  | PTU | EN  | M0)) /* MMC1_DAT1 */\
+	MUX_VAL(CP(MMC1_DAT2),      (IEN  | PTU | EN  | M0)) /* MMC1_DAT2 */\
+	MUX_VAL(CP(MMC1_DAT3),      (IEN  | PTU | EN  | M0)) /* MMC1_DAT3 */\
+	MUX_VAL(CP(UART1_TX),       (IDIS | PTD | DIS | M0)) /* UART1_TX */\
+	MUX_VAL(CP(UART1_RX),       (IEN  | PTD | DIS | M0)) /* UART1_RX */\
+	MUX_VAL(CP(UART3_TX_IRTX),  (IDIS | PTD | DIS | M0)) /* UART3_TX */\
+	MUX_VAL(CP(UART3_RX_IRRX),  (IEN  | PTD | DIS | M0)) /* UART3_RX */\
+	MUX_VAL(CP(I2C1_SCL),       (IEN  | PTU | EN  | M0)) /* I2C1_SCL */\
+	MUX_VAL(CP(I2C1_SDA),       (IEN  | PTU | EN  | M0)) /* I2C1_SDA */\
+	MUX_VAL(CP(I2C4_SCL),       (IEN  | PTU | EN  | M0)) /* I2C4_SCL */\
+	MUX_VAL(CP(I2C4_SDA),       (IEN  | PTU | EN  | M0)) /* I2C4_SDA */\
+	MUX_VAL(CP(SYS_32K),        (IEN  | PTD | DIS | M0)) /* SYS_32K */\
+	MUX_VAL(CP(SYS_BOOT0),      (IEN  | PTD | DIS | M4)) /* GPIO_2 */\
+	MUX_VAL(CP(SYS_BOOT1),      (IEN  | PTD | DIS | M4)) /* GPIO_3 */\
+	MUX_VAL(CP(SYS_BOOT2),      (IEN  | PTD | DIS | M4)) /* GPIO_4 */\
+	MUX_VAL(CP(SYS_BOOT3),      (IEN  | PTD | DIS | M4)) /* GPIO_5 */\
+	MUX_VAL(CP(SYS_BOOT4),      (IEN  | PTD | DIS | M4)) /* GPIO_6 */\
+	MUX_VAL(CP(SYS_BOOT5),      (IEN  | PTD | DIS | M4)) /* GPIO_7 */\
+	MUX_VAL(CP(SYS_BOOT6),      (IEN  | PTD | DIS | M4)) /* GPIO_8 */\
+	MUX_VAL(CP(ETK_D14_ES2),    (IEN  | PTU | EN  | M4)) /* GPIO_28 */\
+	MUX_VAL(CP(GPMC_NCS3),      (IDIS | PTD | DIS | M4)) /* GPIO_54 */\
+	MUX_VAL(CP(GPMC_WAIT2),     (IEN  | PTU | DIS | M4)) /* GPIO_64 */\
+	MUX_VAL(CP(GPIO129),        (IEN  | PTU | EN  | M4)) /* GPIO_129 */\
+	MUX_VAL(CP(SDRC_CKE0),      (IDIS | PTU | EN  | M0)) /* SDRC_CKE0 */\
+	MUX_VAL(CP(SDRC_CKE1),      (IDIS | PTU | EN  | M0)) /* SDRC_CKE1 */
+#endif

source/bootloader/u-boot-2020.01/board/isee/igep00x0/spl.c

@@ -0,0 +1,64 @@
+// SPDX-License-Identifier: GPL-2.0+
+
+#include <serial.h>
+#include <asm/io.h>
+#include <asm/arch/mem.h>
+#include <asm/arch/sys_proto.h>
+#include <jffs2/load_kernel.h>
+#include <linux/mtd/rawnand.h>
+#include "igep00x0.h"
+
+/*
+ * Routine: get_board_mem_timings
+ * Description: If we use SPL then there is no x-loader nor config header
+ * so we have to setup the DDR timings ourself on both banks.
+ */
+void get_board_mem_timings(struct board_sdrc_timings *timings)
+{
+	int mfr, id, err = identify_nand_chip(&mfr, &id);
+
+	timings->mr = MICRON_V_MR_165;
+	if (!err) {
+		switch (mfr) {
+		case NAND_MFR_HYNIX:
+			timings->mcfg = HYNIX_V_MCFG_200(256 << 20);
+			timings->ctrla = HYNIX_V_ACTIMA_200;
+			timings->ctrlb = HYNIX_V_ACTIMB_200;
+			break;
+		case NAND_MFR_MICRON:
+			timings->mcfg = MICRON_V_MCFG_200(256 << 20);
+			timings->ctrla = MICRON_V_ACTIMA_200;
+			timings->ctrlb = MICRON_V_ACTIMB_200;
+			break;
+		default:
+			/* Should not happen... */
+			break;
+		}
+		timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
+		gpmc_cs0_flash = MTD_DEV_TYPE_NAND;
+	} else {
+		if (get_cpu_family() == CPU_OMAP34XX) {
+			timings->mcfg = NUMONYX_V_MCFG_165(256 << 20);
+			timings->ctrla = NUMONYX_V_ACTIMA_165;
+			timings->ctrlb = NUMONYX_V_ACTIMB_165;
+			timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_165MHz;
+		} else {
+			timings->mcfg = NUMONYX_V_MCFG_200(256 << 20);
+			timings->ctrla = NUMONYX_V_ACTIMA_200;
+			timings->ctrlb = NUMONYX_V_ACTIMB_200;
+			timings->rfr_ctrl = SDP_3430_SDRC_RFR_CTRL_200MHz;
+		}
+		gpmc_cs0_flash = MTD_DEV_TYPE_ONENAND;
+	}
+}
+
+#ifdef CONFIG_SPL_OS_BOOT
+int spl_start_uboot(void)
+{
+	/* break into full u-boot on 'c' */
+	if (serial_tstc() && serial_getc() == 'c')
+		return 1;
+
+	return 0;
+}
+#endif