diff options
Diffstat (limited to 'board/logicpd')
| -rw-r--r-- | board/logicpd/omap3som/Makefile | 42 | ||||
| -rw-r--r-- | board/logicpd/omap3som/omap3logic.c | 247 | ||||
| -rw-r--r-- | board/logicpd/omap3som/omap3logic.h | 47 |
3 files changed, 336 insertions, 0 deletions
diff --git a/board/logicpd/omap3som/Makefile b/board/logicpd/omap3som/Makefile new file mode 100644 index 0000000..75e237b --- /dev/null +++ b/board/logicpd/omap3som/Makefile @@ -0,0 +1,42 @@ +# +# (C) Copyright 2000, 2001, 2002 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# 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; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +COBJS-y := omap3logic.o + +COBJS := $(sort $(COBJS-y)) +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend diff --git a/board/logicpd/omap3som/omap3logic.c b/board/logicpd/omap3som/omap3logic.c new file mode 100644 index 0000000..4f5fa8d --- /dev/null +++ b/board/logicpd/omap3som/omap3logic.c @@ -0,0 +1,247 @@ +/* + * (C) Copyright 2011 + * Logic Product Development <www.logicpd.com> + * + * Author : + * Peter Barada <peter.barada@logicpd.com> + * + * Derived from Beagle Board and 3430 SDP code by + * Richard Woodruff <r-woodruff2@ti.com> + * Syed Mohammed Khasim <khasim@ti.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#include <common.h> +#include <netdev.h> +#include <flash.h> +#include <nand.h> +#include <i2c.h> +#include <twl4030.h> +#include <asm/io.h> +#include <asm/arch/mmc_host_def.h> +#include <asm/arch/mux.h> +#include <asm/arch/mem.h> +#include <asm/arch/sys_proto.h> +#include <asm/gpio.h> +#include <asm/mach-types.h> +#include "omap3logic.h" + +DECLARE_GLOBAL_DATA_PTR; + +/* + * two dimensional array of strucures containining board name and Linux + * machine IDs; row it selected based on CPU column is slected based + * on hsusb0_data5 pin having a pulldown resistor + */ +static struct board_id { + char *name; + int machine_id; +} boards[2][2] = { + { + { + .name = "OMAP35xx SOM LV", + .machine_id = MACH_TYPE_OMAP3530_LV_SOM, + }, + { + .name = "OMAP35xx Torpedo", + .machine_id = MACH_TYPE_OMAP3_TORPEDO, + }, + }, + { + { + .name = "DM37xx SOM LV", + .machine_id = MACH_TYPE_DM3730_SOM_LV, + }, + { + .name = "DM37xx Torpedo", + .machine_id = MACH_TYPE_DM3730_TORPEDO, + }, + }, +}; + +/* + * BOARD_ID_GPIO - GPIO of pin with optional pulldown resistor on SOM LV + */ +#define BOARD_ID_GPIO 189 /* hsusb0_data5 pin */ + +/* + * Routine: board_init + * Description: Early hardware init. + */ +int board_init(void) +{ + struct board_id *board; + unsigned int val; + + gpmc_init(); /* in SRAM or SDRAM, finish GPMC */ + + /* boot param addr */ + gd->bd->bi_boot_params = (OMAP34XX_SDRC_CS0 + 0x100); + + /* + * To identify between a SOM LV and Torpedo module, + * a pulldown resistor is on hsusb0_data5 for the SOM LV module. + * Drive the pin (and let it soak), then read it back. + * If the pin is still high its a Torpedo. If low its a SOM LV + */ + + /* Mux hsusb0_data5 as a GPIO */ + MUX_VAL(CP(HSUSB0_DATA5), (IEN | PTD | DIS | M4)); + + if (gpio_request(BOARD_ID_GPIO, "husb0_data5.gpio_189") == 0) { + + /* + * Drive BOARD_ID_GPIO - the pulldown resistor on the SOM LV + * will drain the voltage. + */ + gpio_direction_output(BOARD_ID_GPIO, 0); + gpio_set_value(BOARD_ID_GPIO, 1); + + /* Let it soak for a bit */ + sdelay(0x100); + + /* + * Read state of BOARD_ID_GPIO as an input and if its set. + * If so the board is a Torpedo + */ + gpio_direction_input(BOARD_ID_GPIO); + val = gpio_get_value(BOARD_ID_GPIO); + gpio_free(BOARD_ID_GPIO); + + board = &boards[!!(get_cpu_family() == CPU_OMAP36XX)][!!val]; + printf("Board: %s\n", board->name); + + /* Set the machine_id passed to Linux */ + gd->bd->bi_arch_number = board->machine_id; + } + + /* restore hsusb0_data5 pin as hsusb0_data5 */ + MUX_VAL(CP(HSUSB0_DATA5), (IEN | PTD | DIS | M0)); + + return 0; +} + +#if defined(CONFIG_GENERIC_MMC) && !defined(CONFIG_SPL_BUILD) +int board_mmc_init(bd_t *bis) +{ + return omap_mmc_init(0); +} +#endif + +/* + * Routine: misc_init_r + * Description: display die ID register + */ +int misc_init_r(void) +{ + dieid_num_r(); + + return 0; +} + +#ifdef CONFIG_SMC911X +/* GPMC CS1 settings for Logic SOM LV/Torpedo LAN92xx Ethernet chip */ +static const u32 gpmc_lan92xx_config[] = { + NET_LAN92XX_GPMC_CONFIG1, + NET_LAN92XX_GPMC_CONFIG2, + NET_LAN92XX_GPMC_CONFIG3, + NET_LAN92XX_GPMC_CONFIG4, + NET_LAN92XX_GPMC_CONFIG5, + NET_LAN92XX_GPMC_CONFIG6, +}; + +int board_eth_init(bd_t *bis) +{ + enable_gpmc_cs_config(gpmc_lan92xx_config, &gpmc_cfg->cs[1], + CONFIG_SMC911X_BASE, GPMC_SIZE_16M); + + return smc911x_initialize(0, CONFIG_SMC911X_BASE); +} +#endif + +/* + * 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 + */ + +/* + * 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) +{ + /*GPMC*/ + MUX_VAL(CP(GPMC_A1), (IDIS | PTU | EN | M0)); + MUX_VAL(CP(GPMC_A2), (IDIS | PTU | EN | M0)); + MUX_VAL(CP(GPMC_A3), (IDIS | PTU | EN | M0)); + MUX_VAL(CP(GPMC_A4), (IDIS | PTU | EN | M0)); + MUX_VAL(CP(GPMC_A5), (IDIS | PTU | EN | M0)); + MUX_VAL(CP(GPMC_D8), (IEN | PTU | EN | M0)); + MUX_VAL(CP(GPMC_D9), (IEN | PTU | EN | M0)); + MUX_VAL(CP(GPMC_D10), (IEN | PTU | EN | M0)); + MUX_VAL(CP(GPMC_D11), (IEN | PTU | EN | M0)); + MUX_VAL(CP(GPMC_D12), (IEN | PTU | EN | M0)); + MUX_VAL(CP(GPMC_D13), (IEN | PTU | EN | M0)); + MUX_VAL(CP(GPMC_D14), (IEN | PTU | EN | M0)); + MUX_VAL(CP(GPMC_D15), (IEN | PTU | EN | M0)); + MUX_VAL(CP(GPMC_NCS0), (IDIS | PTU | EN | M0)); + MUX_VAL(CP(GPMC_NCS3), (IDIS | PTD | DIS | M0)); + MUX_VAL(CP(GPMC_NCS5), (IDIS | PTU | DIS | M4)); + MUX_VAL(CP(GPMC_NCS7), (IDIS | PTD | DIS | M1)); /*GPMC_IO_DIR*/ + MUX_VAL(CP(GPMC_NBE0_CLE), (IDIS | PTU | EN | M0)); + MUX_VAL(CP(GPMC_WAIT1), (IEN | PTU | EN | M0)); + + /*Expansion card */ + MUX_VAL(CP(MMC1_CLK), (IDIS | PTU | EN | M0)); + MUX_VAL(CP(MMC1_CMD), (IEN | PTU | EN | M0)); + MUX_VAL(CP(MMC1_DAT0), (IEN | PTU | EN | M0)); + MUX_VAL(CP(MMC1_DAT1), (IEN | PTU | EN | M0)); + MUX_VAL(CP(MMC1_DAT2), (IEN | PTU | EN | M0)); + MUX_VAL(CP(MMC1_DAT3), (IEN | PTU | EN | M0)); + + /* Serial Console */ + MUX_VAL(CP(UART1_TX), (IDIS | PTD | DIS | M0)); + MUX_VAL(CP(UART1_RTS), (IDIS | PTD | DIS | M0)); + MUX_VAL(CP(UART1_CTS), (IEN | PTU | DIS | M0)); + MUX_VAL(CP(UART1_RX), (IEN | PTD | DIS | M0)); + + /* I2C */ + MUX_VAL(CP(I2C2_SCL), (IEN | PTU | EN | M0)); + MUX_VAL(CP(I2C2_SDA), (IEN | PTU | EN | M0)); + MUX_VAL(CP(I2C3_SCL), (IEN | PTU | EN | M0)); + MUX_VAL(CP(I2C3_SDA), (IEN | PTU | EN | M0)); + + MUX_VAL(CP(HDQ_SIO), (IEN | PTU | EN | M0)); + + /*Control and debug */ + MUX_VAL(CP(SYS_NIRQ), (IEN | PTU | EN | M0)); + MUX_VAL(CP(SYS_OFF_MODE), (IEN | PTD | DIS | M0)); + MUX_VAL(CP(SYS_CLKOUT1), (IEN | PTD | DIS | M0)); + MUX_VAL(CP(SYS_CLKOUT2), (IEN | PTU | EN | M0)); + MUX_VAL(CP(JTAG_nTRST), (IEN | PTD | DIS | M0)); + MUX_VAL(CP(SDRC_CKE0), (IDIS | PTU | EN | M0)); +} diff --git a/board/logicpd/omap3som/omap3logic.h b/board/logicpd/omap3som/omap3logic.h new file mode 100644 index 0000000..94f6b2e --- /dev/null +++ b/board/logicpd/omap3som/omap3logic.h @@ -0,0 +1,47 @@ +/* + * (C) Copyright 2011 + * Logic Product Development <www.logicpd.com> + * + * Author: + * Peter Barada <peter.barada@logicpd.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ +#ifndef _OMAP3LOGIC_H_ +#define _OMAP3LOGIC_H_ + +/* + * OMAP3 GPMC register settings for CS1 LAN922x + */ +#define NET_LAN92XX_GPMC_CONFIG1 0x00001000 +#define NET_LAN92XX_GPMC_CONFIG2 0x00080801 +#define NET_LAN92XX_GPMC_CONFIG3 0x00000000 +#define NET_LAN92XX_GPMC_CONFIG4 0x08010801 +#define NET_LAN92XX_GPMC_CONFIG5 0x00080a0a +#define NET_LAN92XX_GPMC_CONFIG6 0x03000280 + + +const omap3_sysinfo sysinfo = { + DDR_DISCRETE, + "Logic DM37x/OMAP35x reference board", + "NAND", +}; + + +#endif |