diff options
Diffstat (limited to 'board/davinci/da8xxevm')
-rw-r--r-- | board/davinci/da8xxevm/Makefile | 55 | ||||
-rw-r--r-- | board/davinci/da8xxevm/common.c | 55 | ||||
-rw-r--r-- | board/davinci/da8xxevm/common.h | 30 | ||||
-rw-r--r-- | board/davinci/da8xxevm/config.mk | 43 | ||||
-rw-r--r-- | board/davinci/da8xxevm/da830evm.c | 227 | ||||
-rw-r--r-- | board/davinci/da8xxevm/da850evm.c | 111 |
6 files changed, 521 insertions, 0 deletions
diff --git a/board/davinci/da8xxevm/Makefile b/board/davinci/da8xxevm/Makefile new file mode 100644 index 0000000..17cbe86 --- /dev/null +++ b/board/davinci/da8xxevm/Makefile @@ -0,0 +1,55 @@ +# +# (C) Copyright 2000, 2001, 2002 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net> +# +# 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).a + +COBJS-y += common.o +COBJS-$(CONFIG_MACH_DAVINCI_DA830_EVM) += da830evm.o +COBJS-$(CONFIG_MACH_DAVINCI_DA850_EVM) += da850evm.o + +COBJS := $(COBJS-y) + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak *~ .depend + +######################################################################### +# This is for $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/davinci/da8xxevm/common.c b/board/davinci/da8xxevm/common.c new file mode 100644 index 0000000..9cd5204c --- /dev/null +++ b/board/davinci/da8xxevm/common.c @@ -0,0 +1,55 @@ +/* + * Miscellaneous DA8XX functions. + * + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include "common.h" + +#ifndef CONFIG_USE_IRQ +void irq_init(void) +{ + /* + * Mask all IRQs by clearing the global enable and setting + * the enable clear for all the 90 interrupts. + */ + + writel(0, &davinci_aintc_regs->ger); + + writel(0, &davinci_aintc_regs->hier); + + writel(0xffffffff, &davinci_aintc_regs->ecr1); + writel(0xffffffff, &davinci_aintc_regs->ecr2); + writel(0xffffffff, &davinci_aintc_regs->ecr3); +} +#endif + +/* + * Enable PSC for various peripherals. + */ +int da8xx_configure_lpsc_items(const struct lpsc_resource *item, + const int n_items) +{ + int i; + + for (i = 0; i < n_items; i++) + lpsc_on(item[i].lpsc_no); + + return 0; +} diff --git a/board/davinci/da8xxevm/common.h b/board/davinci/da8xxevm/common.h new file mode 100644 index 0000000..7ae63a6 --- /dev/null +++ b/board/davinci/da8xxevm/common.h @@ -0,0 +1,30 @@ +/* + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __COMMON_H +#define __COMMON_H + +struct lpsc_resource { + const int lpsc_no; +}; + +void irq_init(void); +int da8xx_configure_lpsc_items(const struct lpsc_resource *item, + int n_items); + +#endif /* __COMMON_H */ diff --git a/board/davinci/da8xxevm/config.mk b/board/davinci/da8xxevm/config.mk new file mode 100644 index 0000000..6da29a9 --- /dev/null +++ b/board/davinci/da8xxevm/config.mk @@ -0,0 +1,43 @@ +# +# (C) Copyright 2008, Texas Instruments, Inc. http://www.ti.com/ +# +# Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net> +# +# (C) Copyright 2002 +# Gary Jennejohn, DENX Software Engineering, <gj@denx.de> +# David Mueller, ELSOFT AG, <d.mueller@elsoft.ch> +# +# 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 +# + +# Texas Instruments DA8xx EVM board (ARM925EJS) cpu +# see http://www.ti.com/ for more information on Texas Instruments +# +# DA8xx EVM has 1 bank of 64 MB SDRAM (2 16Meg x16 chips). +# Physical Address: +# C000'0000 to C400'0000 +# +# Linux-Kernel is expected to be at C000'8000, entry C000'8000 +# (mem base + reserved) +# +# we load ourself to C108 '0000 + + +#Provide at least 16MB spacing between us and the Linux Kernel image +TEXT_BASE = 0xC1080000 diff --git a/board/davinci/da8xxevm/da830evm.c b/board/davinci/da8xxevm/da830evm.c new file mode 100644 index 0000000..57506d6 --- /dev/null +++ b/board/davinci/da8xxevm/da830evm.c @@ -0,0 +1,227 @@ +/* + * Copyright (C) 2009 Nick Thompson, GE Fanuc, Ltd. <nick.thompson@gefanuc.com> + * + * Base on code from TI. Original Notices follow: + * + * (C) Copyright 2008, Texas Instruments, Inc. http://www.ti.com/ + * + * Modified for DA8xx EVM. + * + * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net> + * + * Parts are shamelessly stolen from various TI sources, original copyright + * follows: + * ----------------------------------------------------------------- + * + * Copyright (C) 2004 Texas Instruments. + * + * ---------------------------------------------------------------------------- + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + * ---------------------------------------------------------------------------- + */ + +#include <common.h> +#include <i2c.h> +#include <net.h> +#include <netdev.h> +#include <asm/arch/hardware.h> +#include <asm/arch/emif_defs.h> +#include <asm/arch/emac_defs.h> +#include <asm/io.h> +#include "../common/misc.h" +#include "common.h" + +DECLARE_GLOBAL_DATA_PTR; + +#define pinmux &davinci_syscfg_regs->pinmux + +/* SPI0 pin muxer settings */ +static const struct pinmux_config spi0_pins[] = { + { pinmux[7], 1, 3 }, + { pinmux[7], 1, 4 }, + { pinmux[7], 1, 5 }, + { pinmux[7], 1, 6 }, + { pinmux[7], 1, 7 } +}; + +/* EMIF-A bus pins for 8-bit NAND support on CS3 */ +static const struct pinmux_config emifa_nand_pins[] = { + { pinmux[13], 1, 6 }, + { pinmux[13], 1, 7 }, + { pinmux[14], 1, 0 }, + { pinmux[14], 1, 1 }, + { pinmux[14], 1, 2 }, + { pinmux[14], 1, 3 }, + { pinmux[14], 1, 4 }, + { pinmux[14], 1, 5 }, + { pinmux[15], 1, 7 }, + { pinmux[16], 1, 0 }, + { pinmux[18], 1, 1 }, + { pinmux[18], 1, 4 }, + { pinmux[18], 1, 5 }, +}; + +/* EMAC PHY interface pins */ +static const struct pinmux_config emac_pins[] = { + { pinmux[9], 0, 5 }, + { pinmux[10], 2, 1 }, + { pinmux[10], 2, 2 }, + { pinmux[10], 2, 3 }, + { pinmux[10], 2, 4 }, + { pinmux[10], 2, 5 }, + { pinmux[10], 2, 6 }, + { pinmux[10], 2, 7 }, + { pinmux[11], 2, 0 }, + { pinmux[11], 2, 1 }, +}; + +/* UART pin muxer settings */ +static const struct pinmux_config uart_pins[] = { + { pinmux[8], 2, 7 }, + { pinmux[9], 2, 0 } +}; + +/* I2C pin muxer settings */ +static const struct pinmux_config i2c_pins[] = { + { pinmux[8], 2, 3 }, + { pinmux[8], 2, 4 } +}; + +/* USB0_DRVVBUS pin muxer settings */ +static const struct pinmux_config usb_pins[] = { + { pinmux[9], 1, 1 } +}; + +static const struct pinmux_resource pinmuxes[] = { +#ifdef CONFIG_SPI_FLASH + PINMUX_ITEM(spi0_pins), +#endif + PINMUX_ITEM(uart_pins), + PINMUX_ITEM(i2c_pins), +#ifdef CONFIG_USB_DA8XX + PINMUX_ITEM(usb_pins), +#endif +#ifdef CONFIG_USE_NAND + PINMUX_ITEM(emifa_nand_pins), +#endif +#if defined(CONFIG_DRIVER_TI_EMAC) + PINMUX_ITEM(emac_pins), +#endif +}; + +static const struct lpsc_resource lpsc[] = { + { DAVINCI_LPSC_AEMIF }, /* NAND, NOR */ + { DAVINCI_LPSC_SPI0 }, /* Serial Flash */ + { DAVINCI_LPSC_EMAC }, /* image download */ + { DAVINCI_LPSC_UART2 }, /* console */ + { DAVINCI_LPSC_GPIO }, +}; + +int board_init(void) +{ +#ifndef CONFIG_USE_IRQ + irq_init(); +#endif + +#ifdef CONFIG_NAND_DAVINCI + /* EMIFA 100MHz clock select */ + writel(readl(&davinci_syscfg_regs->cfgchip3) & ~2, + &davinci_syscfg_regs->cfgchip3); + /* NAND CS setup */ + writel((DAVINCI_ABCR_WSETUP(0) | + DAVINCI_ABCR_WSTROBE(2) | + DAVINCI_ABCR_WHOLD(0) | + DAVINCI_ABCR_RSETUP(0) | + DAVINCI_ABCR_RSTROBE(2) | + DAVINCI_ABCR_RHOLD(0) | + DAVINCI_ABCR_TA(2) | + DAVINCI_ABCR_ASIZE_8BIT), + &davinci_emif_regs->ab2cr); +#endif + + /* arch number of the board */ + gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DA830_EVM; + + /* address of boot parameters */ + gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR; + + /* + * Power on required peripherals + * ARM does not have access by default to PSC0 and PSC1 + * assuming here that the DSP bootloader has set the IOPU + * such that PSC access is available to ARM + */ + if (da8xx_configure_lpsc_items(lpsc, ARRAY_SIZE(lpsc))) + return 1; + + /* setup the SUSPSRC for ARM to control emulation suspend */ + writel(readl(&davinci_syscfg_regs->suspsrc) & + ~(DAVINCI_SYSCFG_SUSPSRC_EMAC | DAVINCI_SYSCFG_SUSPSRC_I2C | + DAVINCI_SYSCFG_SUSPSRC_SPI0 | DAVINCI_SYSCFG_SUSPSRC_TIMER0 | + DAVINCI_SYSCFG_SUSPSRC_UART2), + &davinci_syscfg_regs->suspsrc); + + /* configure pinmux settings */ + if (davinci_configure_pin_mux_items(pinmuxes, ARRAY_SIZE(pinmuxes))) + return 1; + + /* enable the console UART */ + writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST | + DAVINCI_UART_PWREMU_MGMT_UTRST), + &davinci_uart2_ctrl_regs->pwremu_mgmt); + + return(0); +} + +#if defined(CONFIG_DRIVER_TI_EMAC) + +#define PHY_SW_I2C_ADDR 0x5f /* Address of PHY on i2c bus */ + +/* + * Initializes on-board ethernet controllers. + */ +int board_eth_init(bd_t *bis) +{ + u_int8_t mac_addr[6]; + u_int8_t switch_start_cmd[2] = { 0x01, 0x23 }; + + /* Read Ethernet MAC address from EEPROM */ + if (dvevm_read_mac_address(mac_addr)) + /* set address env if not already set */ + dv_configure_mac_address(mac_addr); + + /* read the address back from env */ + if (!eth_getenv_enetaddr("ethaddr", mac_addr)) + return -1; + + /* provide the resulting addr to the driver */ + davinci_eth_set_mac_addr(mac_addr); + + /* enable the Ethernet switch in the 3 port PHY */ + if (i2c_write(PHY_SW_I2C_ADDR, 0, 0, + switch_start_cmd, sizeof(switch_start_cmd))) { + printf("Ethernet switch start failed!\n"); + return -1; + } + + /* finally, initialise the driver */ + if (!davinci_emac_initialize()) { + printf("Error: Ethernet init failed!\n"); + return -1; + } + + return 0; +} +#endif /* CONFIG_DRIVER_TI_EMAC */ diff --git a/board/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c new file mode 100644 index 0000000..959b2c6 --- /dev/null +++ b/board/davinci/da8xxevm/da850evm.c @@ -0,0 +1,111 @@ +/* + * Copyright (C) 2010 Texas Instruments Incorporated - http://www.ti.com/ + * + * Based on da830evm.c. Original Copyrights follow: + * + * Copyright (C) 2009 Nick Thompson, GE Fanuc, Ltd. <nick.thompson@gefanuc.com> + * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net> + * + * 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., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <common.h> +#include <i2c.h> +#include <asm/arch/hardware.h> +#include <asm/io.h> +#include "../common/misc.h" +#include "common.h" + +DECLARE_GLOBAL_DATA_PTR; + +#define pinmux (&davinci_syscfg_regs->pinmux) + +/* SPI0 pin muxer settings */ +static const struct pinmux_config spi1_pins[] = { + { pinmux[5], 1, 1 }, + { pinmux[5], 1, 2 }, + { pinmux[5], 1, 4 }, + { pinmux[5], 1, 5 } +}; + +/* UART pin muxer settings */ +static const struct pinmux_config uart_pins[] = { + { pinmux[0], 4, 6 }, + { pinmux[0], 4, 7 }, + { pinmux[4], 2, 4 }, + { pinmux[4], 2, 5 } +}; + +/* I2C pin muxer settings */ +static const struct pinmux_config i2c_pins[] = { + { pinmux[4], 2, 2 }, + { pinmux[4], 2, 3 } +}; + +static const struct pinmux_resource pinmuxes[] = { +#ifdef CONFIG_SPI_FLASH + PINMUX_ITEM(spi1_pins), +#endif + PINMUX_ITEM(uart_pins), + PINMUX_ITEM(i2c_pins), +}; + +static const struct lpsc_resource lpsc[] = { + { DAVINCI_LPSC_AEMIF }, /* NAND, NOR */ + { DAVINCI_LPSC_SPI1 }, /* Serial Flash */ + { DAVINCI_LPSC_EMAC }, /* image download */ + { DAVINCI_LPSC_UART2 }, /* console */ + { DAVINCI_LPSC_GPIO }, +}; + +int board_init(void) +{ +#ifndef CONFIG_USE_IRQ + irq_init(); +#endif + + /* arch number of the board */ + gd->bd->bi_arch_number = MACH_TYPE_DAVINCI_DA850_EVM; + + /* address of boot parameters */ + gd->bd->bi_boot_params = LINUX_BOOT_PARAM_ADDR; + + /* + * Power on required peripherals + * ARM does not have access by default to PSC0 and PSC1 + * assuming here that the DSP bootloader has set the IOPU + * such that PSC access is available to ARM + */ + if (da8xx_configure_lpsc_items(lpsc, ARRAY_SIZE(lpsc))) + return 1; + + /* setup the SUSPSRC for ARM to control emulation suspend */ + writel(readl(&davinci_syscfg_regs->suspsrc) & + ~(DAVINCI_SYSCFG_SUSPSRC_EMAC | DAVINCI_SYSCFG_SUSPSRC_I2C | + DAVINCI_SYSCFG_SUSPSRC_SPI1 | DAVINCI_SYSCFG_SUSPSRC_TIMER0 | + DAVINCI_SYSCFG_SUSPSRC_UART2), + &davinci_syscfg_regs->suspsrc); + + /* configure pinmux settings */ + if (davinci_configure_pin_mux_items(pinmuxes, ARRAY_SIZE(pinmuxes))) + return 1; + + /* enable the console UART */ + writel((DAVINCI_UART_PWREMU_MGMT_FREE | DAVINCI_UART_PWREMU_MGMT_URRST | + DAVINCI_UART_PWREMU_MGMT_UTRST), + &davinci_uart2_ctrl_regs->pwremu_mgmt); + + return 0; +} |